CN109607949A - Large-size chemical sewage-treatment plant and method - Google Patents
Large-size chemical sewage-treatment plant and method Download PDFInfo
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- CN109607949A CN109607949A CN201811615109.0A CN201811615109A CN109607949A CN 109607949 A CN109607949 A CN 109607949A CN 201811615109 A CN201811615109 A CN 201811615109A CN 109607949 A CN109607949 A CN 109607949A
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- rotary drum
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/127—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering by centrifugation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/043—Treatment of partial or bypass streams
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses large-size chemical sewage-treatment plants, including denitrification device, aerobic tank, sedimentation basin, liquid handling pond and the sludge treatment equipment being sequentially communicated;Wherein, the sludge treatment equipment includes: level-one sludge treating block comprising: first shell, upper side wall are provided with mud inlet, and the top of the first shell is arc-shaped structure, and head clearance is provided with multiple hard hair brush items;First filter plate, its structure setting for being arc-shaped band is in the middle part of first shell, one end of first filter plate and the side wall of first shell connect, the other end of first filter plate is fixed with riser, second plate body is perpendicularly fixed in first shell, the lower part of first shell is divided into mutually independent liquid storage space and mud extraction space, the mud extraction space is connected to the upper space of first shell, and the liquid storage space is connected to by the filter opening of the first filter plate with the upper space of first shell.The present invention is effectively dehydrated while handling sewage, to sludge.
Description
Technical field
The present invention relates to field of sewage treatment.It is more particularly related to a kind of large-size chemical sewage treatment
Device and method.
Background technique
The waste water quality of chemical industrial park chemical enterprise emission is complicated, the spies such as ammonia nitrogen height, salinity height, levels of toxic substances height
Point belongs to the harmful industrial wastewater difficult to degrade of typical organic toxic.The waste water that chemical industrial park chemical company is discharged must be through factory
Reach the processing that the sewage treatment plant being drained into chemical industrial park again after adapter tube standard is concentrated after interior pretreatment, this is also complied with
The industrial waste water centralized treatment theory currently advocated and encouraged.A large amount of sludge can be given off during handling sewage,
Water content is up to 97% or more, easily corruption.Chemical industrial park needs special sewage sludge storage point to be stored, then place is conducted batch-wise
Reason, since the water content of sludge is high, it is therefore desirable to it occupies big quantity space and is stored, and in summer, temperature is high, and high-moisture percentage is led
The rate for causing sludge to breed bacterium significantly rises, and sludge is easier the problem of degenerating.
Summary of the invention
The object of the present invention is to provide large-size chemical sewage-treatment plant and methods, while handling sewage, to sludge
Effectively it is dehydrated.
In order to realize these purposes and other advantages according to the present invention, large-size chemical sewage-treatment plant is provided, is wrapped
Include the denitrification device being sequentially communicated, aerobic tank, sedimentation basin, liquid handling pond and sludge treatment equipment;Wherein, at the sludge
Managing device includes:
Level-one sludge treating block comprising:
First shell, upper side wall are provided with mud inlet, and the top of the first shell is arc-shaped structure, top
It is arranged at intervals with multiple hard hair brush items;
First filter plate is arc-shaped middle part of the structure setting in first shell of band, one end of the first filter plate and first
The side wall of shell connects, and the other end and the riser of the first filter plate are fixed, and second plate body is perpendicularly fixed in first shell, with
The lower part of first shell is divided into mutually independent liquid storage space and mud extraction space, the mud extraction space and first shell it is upper
The connection of portion space, the liquid storage space are connected to by the filter opening of the first filter plate with the upper space of first shell;
Drainage hammer is set to the top of first shell, and the top of the drainage hammer is identical as the radian of the first filter plate, partially
The lower part that mandrel passes through drainage hammer drives its rotation;
Scraper plate is fixed on drainage hammer by shaft, and the scraper of scraper plate extends the lower part of drainage hammer, the scraper
Top there is opening do not interfered so that scraper plate and the drainage are hammered into shape;
A pair of push rods, is respectively arranged at the two sides of drainage hammer, and being set as can the rotation of scraper plate described in pushing tow;
When the top of drainage hammer turns to the top of first shell, bristle and the drainage hammer of hairbrush lower part are mutually squeezed
Pressure;When the extreme length of push rod pushing tow scraper plate to push rod, drainage hammer rotation, make scraper plate by the sludge scraping delivery on the first filter plate extremely
Mud extraction space, when push rod is withdrawn, when drainage hammer rotates, scraper plate is not contacted with first shell, is connect with the lower part of hard hair brush item
Touching;
Secondary sludge processing unit comprising:
Rotary drum drives its pivoting by first motor, and the outer wall of the rotary drum is provided with several apopores, several
The gross area of apopore accounts for the 1/7~1/5 of the rotary drum side wall gross area, the truncated cone-shaped that the bottom of the rotary drum is diametrically gradually reduced
Structure, and lower openings are provided with feed inlet above the rotary drum;
Second shell is sheathed on outside rotary drum, and is not contacted with the rotary drum;
Third shell, is set between second shell and rotary drum, and the third shell is downward by the top of second shell
Formation centrifugate memory space, the third shell at the truncated cone-shaped structure of bottom of the drum is extended to not contact with the rotary drum;
Connecting tube, one end are connected to the lower part in mud extraction space, and the other end is set to the top of rotary drum.
Preferably, its short transverse is provided with sliding slot on the scraper plate, the pushing end of the propulsion arm is slidably set
It is placed in sliding slot.
Preferably, the top of the apopore is provided with the first plate body, and its underpart is provided with the second plate body, and described first
The side wall angle of plate body and rotary drum lower part is 60 °, second plate body be 20 ° with the side wall angle on rotary drum top, described the
The upper end of two plate bodys is 1-20mm at a distance from the first plate body, and first plate body is at least 1.5 times of the second plate body length, and
When first plate body is from top to bottom arranged, length gradually shortens.
Preferably, the bottom of the second shell is provided with chassis;Further include:
First body of rod is penetrated the top of the rotary drum by the lower part of second shell, and drives its forward direction by stepper motor
Reversed reciprocal 360 ° of rotation;
Several air bags are ring structure, are fixed on first body of rod, and between several air bags and the air bag of bottom connects
It is connected to the first tracheae, first tracheae is stainless steel material, and first tracheae is arranged close to first body of rod, the second tracheae one
End is connect with the first tracheae of bottom, and the other end passes through third housing sidewall and connect with quick air-inflating apparatus, and described second
Tracheae is made of flexible material.
Preferably, the revolving speed of the stepper motor is that 500-800 turns/min.
Preferably, the liquid in liquid storage space and centrifugate memory space is delivered in liquid handling pond.
Preferably, the lower part of the second shell is provided with heat blower;
The lower part of first body of rod is provided with several paddles along its axial direction;
The top of the third shell is axially disposed multiple stomatas, and the outer wall of the third shell is provided with heat preservation
Layer, the inner wall of the third shell are provided with cold plate;Top in the third shell positioned at stomata circumferentially enclose be equipped with to
Under inclined guide plate, the guide plate and rotary drum have the gap of 2-3mm.
The method of large-size chemical sewage-treatment plant processing sewage, comprising the following steps:
Step 1: pH value of sewage water is adjusted to 7.5~8.8 in conditioning tank, be sequentially sent to denitrification device, aerobic tank and
After sedimentation basin is handled, the liquid in sedimentation basin is pumped into liquid handling pond, wherein set between aerobic tank and denitrification device
It is equipped with the first reflux pump, the fluid flow reflux ratio for being back to denitrification device from aerobic tank is 100%-200%;Sedimentation basin and
The second reflux pump is provided between aerobic tank, the fluid flow reflux ratio for being back to aerobic tank from sedimentation basin is 100%-200%;
Step 2: the sludge in each pond body is delivered to sludge treatment equipment, sludge is separated with moisture.
The present invention is include at least the following beneficial effects: large-size chemical sewage-treatment plant can be effectively reduced COD in sewage
Index can also effectively remove the nutriments such as nitrogen, phosphorus in sewage, can effectively be dehydrated to subsequent sludge, sludge warp
After crossing multistage dehydration and drying and processing, can reach moisture content is 15% or less.
Further advantage, target and feature of the invention will be partially reflected by the following instructions, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is large-size chemical sewage-treatment plant schematic diagram;
Fig. 2 is the structural schematic diagram of sludge treatment equipment;
Fig. 3 is the structural schematic diagram of scraper plate;
Fig. 4 is schematic diagram when scraper plate moves at the top of first shell.
Appended drawing reference
101 first shells, 102 mud inlets, 103 hard hair brush items, 104 first filter plates, 105 risers, 106 liquid storage spaces,
107 mud extraction spaces, 108 drainages hammer, 109 scraper plates, 110 push rods, 201 rotary drums, 202 first motors, 203 apopores, 204 second shells
Body, 205 third shells, 206 centrifugate memory spaces, 207 connecting tubes, 208 first plate bodys, 209 second plate bodys, 210 chassis,
211 first bodies of rod, 212 air bags, 213 first tracheaes, 214 second tracheaes, 215 quick air-inflating apparatus, 216 stepper motors, 217 stir
Mix leaf, 218 stomatas, 219 guide plates.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text
Word can be implemented accordingly.
It should be noted that experimental method described in following embodiments is unless otherwise specified conventional method, institute
Reagent and material are stated, unless otherwise specified, is commercially obtained;In the description of the present invention, term " transverse direction ", " vertical
To ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", the instructions such as "outside" side
Position or positional relationship are to be based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description of the present invention and simplification of the description,
It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, because
This is not considered as limiting the invention.
As shown in figs. 2 to 4, the present invention provides a kind of large-size chemical sewage-treatment plant, including the denitrification being sequentially communicated
Device, aerobic tank, sedimentation basin, liquid handling pond and sludge treatment equipment;Wherein, the sludge treatment equipment includes:
Level-one sludge treating block comprising:
First shell 101, upper side wall are provided with mud inlet 102, and the top of the first shell 101 is arc-shaped knot
Structure, head clearance are provided with multiple hard hair brush items 103;
First filter plate 104, aperture are set smaller than the partial size of minimum sludge, in the present embodiment first filter plate 104
Aperture is set as 0.1mm, is arc-shaped the structure setting of band in the middle part of first shell 101, one end of the first filter plate 104 with
The side wall of first shell 101 connects, and the other end and riser 105 of the first filter plate 104 are fixed, and second plate body 209 is vertically solid
Due in first shell 101, the lower part of first shell 101 is divided into mutually independent liquid storage space 106 and mud extraction space
107, the mud extraction space 107 is connected to the upper space of first shell 101, and the liquid storage space 106 passes through the first filter plate 104
Filter opening be connected to the upper space of first shell 101;
Drainage hammer 108 is set to the top of first shell 101, the top of the drainage hammer 108 and the first filter plate 104
Radian it is identical, eccentric shaft pass through drainage hammer 108 lower part drive its rotation;
Scraper plate 109 is fixed on drainage hammer 108 by shaft, and the scraper of scraper plate 109 extends drainage hammer 108
The top of lower part, the scraper has opening, so that scraper plate 109 is not interfered with drainage hammer 108;
A pair of push rods 110, is respectively arranged at the two sides of drainage hammer 108, and be set as can scraper plate 109 described in pushing tow rotate;
When the top of drainage hammer 108 turns to the top of first shell 101, the bristle and drainage of hairbrush lower part are hammered into shape
108 mutual extrusions;When the top of drainage hammer 108 turns to the first filter plate 104 of first shell 101, it can extrude sludge, make dirt
Moisture separation in mud, into liquid storage space 106;When the extreme length of 110 pushing tow scraper plate 109 of push rod to push rod 110, drainage
108 rotation of hammer makes scraper plate 109 by the sludge scraping delivery on the first filter plate 104 to mud extraction space 107, when push rod 110 is withdrawn, filter
When water hammer 108 rotates, scraper plate 109 is not contacted with first shell 101, the lower contacts with hard hair brush item 103.
Secondary sludge processing unit comprising:
Rotary drum 201 drives its pivoting by first motor 202, does if the outer wall of the rotary drum 201 is provided with
Water hole 203, the gross area of several apopores 203 account for the 1/7~1/5 of the 201 side wall gross area of rotary drum, the bottom of the rotary drum 201
The top of the truncated cone-shaped structure being diametrically gradually reduced, and lower openings, the rotary drum 201 is provided with feed inlet;
Second shell 204 is sheathed on outside rotary drum 201, and is not contacted with the rotary drum 201;
Third shell 205 is set between second shell 204 and rotary drum 201, and the third shell 205 is by second shell
The top of body 204, which extends downward into, forms centrifugate memory space 206, the third at the truncated cone-shaped structure of 201 bottom of rotary drum
Shell 205 is not contacted with the rotary drum 201;
Connecting tube 207, one end are connected to the lower part in mud extraction space 107, and the other end is set to the top of rotary drum 201.
Sludge is pumped into sludge treatment equipment after to sewage treatment by large-size chemical sewage-treatment plant of the invention, is led to
The rotation of filtering water hammer 108 constantly squeezes sludge, accelerates the separation of sludge and moisture, and water droplet is entered by the first filter plate 104
When the top in liquid storage space 106, drainage hammer 108 turns to the top of first shell 101, hard hair brush item 103 will be adhered to filter
Sludge on water hammer 108 is clean, and sludge is fallen on the first filter plate 104, and clean drainage hammer 108 goes to squeeze again
Sludge, after repeated multiple times, starting push rod 110 goes out 109 pushing tow of scraper plate, rotates drainage hammer 108 again, scraper plate 109 can fill
Point by the sludge scraped clean on the first filter plate 104 and be delivered to mud extraction space 107, as shown in figure 4, when scraper plate 109 rotate
When to the top of first shell 101, phase mutual friction between hard hair brush item 103 and scraper plate 109 is clear by the sludge on other side surface
It removes, reaches clean effect, wait the water removal of the sludge newly entered, the sludge into mud extraction space 107 is conveyed by sludge pump
To secondary sludge processing unit, sludge, which enters in rotary drum 201, to be centrifugated, and moisture is thrown out of from the apopore 203 of rotary drum 201,
Centrifugate memory space 206 is entered, partial sludge throws away rotary drum 201 in order to prevent, and the first plate body 208 and the second plate body is arranged
209, between gap it is smaller, the good fluidity of liquid can enter centrifugate memory space 206 along the first plate body 208, and dirty
The coarse frictional force of mud granule surface area causes greatly poor fluidity, is finally retained by the first plate body 208 and the second plate body 209, thus
Realize the separation of sludge and moisture.
In one of embodiment, its short transverse is provided with sliding slot on the scraper plate 109, the propulsion arm 110
Pushing end is slidably set in sliding slot.
In one of embodiment, the top of the apopore 203 is provided with the first plate body 208, and its underpart is provided with
The side wall angle of two plate bodys 209, first plate body 208 and 201 lower part of rotary drum is 60 °, second plate body 209 and and rotary drum
The side wall angle on 201 tops is 20 °, and the upper end of second plate body 209 is 1-20mm at a distance from the first plate body 208, described
First plate body 208 is at least 1.5 times of 209 length of the second plate body, and when first plate body 208 is from top to bottom arranged, length
Degree gradually shortens.
In one of embodiment, the bottom of the second shell 204 is provided with chassis 210;Further include:
First body of rod 211 is penetrated the top of the rotary drum 201 by the lower part of second shell 204, and by stepper motor
216 driving reciprocal 360 ° of the rotations of its Direct/Reverse;
Several air bags 212, are ring structure, are fixed on first body of rod 211, between several air bags 212 and most lower
The air bag 212 of side is connected with the first tracheae 213, and first tracheae 213 is stainless steel material, and first tracheae 213 is close
First tracheae 213 of the setting of first body of rod 211,214 one end of the second tracheae and bottom connects, and the other end passes through third shell
205 side walls are connect with quick air-inflating apparatus 215, and second tracheae 214 is made of flexible material.
Large-size chemical sewage-treatment plant of the invention, by first body of rod 211 of setting and air bag 212, air bag 212 is under
It is supreme to be successively inflated, sludge can be made to be scattered in the different space of 201 short transverse of rotary drum, to reach dispersion sludge, taken off
The more efficient advantage of water deflates to air bag 212, after completing dehydration so that the sludge on air bag 212 be made to eventually enter into
The bottom of second shell 204 carries out subsequent baking step, and for sludge before carrying out subsequent baking step, the moisture content in sludge can
It is reduced to 20%, is 15% or less moisture content after drying and processing, can be reached.
In one of embodiment, the revolving speed of the stepper motor 216 is that 500-800 turns/min.
In one of embodiment, the liquid in liquid storage space 106 and centrifugate memory space 206 is delivered to liquid handling
Chi Zhong.
In one of embodiment, the lower part of the second shell 204 is provided with heat blower;
The lower part of first body of rod 211 is provided with several paddles 217 along its axial direction;
The top of the third shell 205 is axially disposed multiple stomatas 218, and the outer wall of the third shell 205 is set
It is equipped with insulating layer, the inner wall of the third shell 205 is provided with cold plate;Positioned at the upper of stomata 218 in the third shell 205
Side circumferentially encloses the guide plate 219 for being equipped with and tilting down, and the guide plate 219 has the gap of 2-3mm with rotary drum 201.
Large-size chemical sewage-treatment plant of the invention, sludge are occurred after entering 205 bottom of third shell by hot wind
Moisture remaining in sludge is evaporated part, the small gas for moving upwardly through third shell 205 of hot steam density by the hot wind of device
Hole 218, separating major part by guide plate 219 can not move upwards, and be condensed into drop by heat exchange on cold plate.
The present invention also provides a kind of large-size chemical sewage-treatment plant processing sewage method, as shown in Figure 1, include with
Lower step:
Step 1: pH value of sewage water is adjusted to 7.5~8.8 in conditioning tank, be sequentially sent to denitrification device, aerobic tank and
After sedimentation basin is handled, the liquid in sedimentation basin is pumped into liquid handling pond, wherein set between aerobic tank and denitrification device
It is equipped with the first reflux pump, the fluid flow reflux ratio for being back to denitrification device from aerobic tank is 100%-200%;Sedimentation basin and
The second reflux pump is provided between aerobic tank, the fluid flow reflux ratio for being back to aerobic tank from sedimentation basin is 100%-200%;
Step 2: the sludge in each pond body is delivered to sludge treatment equipment, sludge is separated with moisture.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (8)
1. large-size chemical sewage-treatment plant, which is characterized in that including be sequentially communicated denitrification device, aerobic tank, sedimentation basin,
Liquid handling pond and sludge treatment equipment;Wherein, the sludge treatment equipment includes:
Level-one sludge treating block comprising:
First shell, upper side wall are provided with mud inlet, and the top of the first shell is arc-shaped structure, head clearance
It is provided with multiple hard hair brush items;
First filter plate is arc-shaped middle part of the structure setting in first shell of band, one end of the first filter plate and first shell
Side wall connection, the other end and the riser of the first filter plate fix, and second plate body is perpendicularly fixed in first shell, by the
The lower part of one shell is divided into mutually independent liquid storage space and mud extraction space, the top sky in the mud extraction space and first shell
Between be connected to, the liquid storage space is connected to by the filter opening of the first filter plate with the upper space of first shell;
Drainage hammer is set to the top of first shell, and the top of the drainage hammer is identical as the radian of the first filter plate, eccentric shaft
Lower part across drainage hammer drives its rotation;
Scraper plate, by shaft be fixed on drainage hammer on, and the scraper of scraper plate extend drainage hammer lower part, the scraper it is upper
Portion has opening, so that scraper plate is not interfered with drainage hammer;
A pair of push rods, is respectively arranged at the two sides of drainage hammer, and being set as can the rotation of scraper plate described in pushing tow;
When the top of drainage hammer turns to the top of first shell, the bristle and drainage of hairbrush lower part hammer mutual extrusion into shape;When
Push rod pushing tow scraper plate to push rod extreme length when, drainage hammer rotation, make scraper plate by the sludge scraping delivery on the first filter plate to mud extraction
Space, when push rod is withdrawn, when drainage hammer rotates, scraper plate is not contacted with first shell, the lower contacts with hard hair brush item;
Secondary sludge processing unit comprising:
Rotary drum drives its pivoting by first motor, and the outer wall of the rotary drum is provided with several apopores, several water outlets
The gross area in hole accounts for the 1/7~1/5 of the rotary drum side wall gross area, the truncated cone-shaped knot that the bottom of the rotary drum is diametrically gradually reduced
Structure, and lower openings are provided with feed inlet above the rotary drum;
Second shell is sheathed on outside rotary drum, and is not contacted with the rotary drum;
Third shell, is set between second shell and rotary drum, and the third shell at the top of second shell by extending downwardly
Centrifugate memory space is formed to the truncated cone-shaped structure of bottom of the drum, the third shell is not contacted with the rotary drum;
Connecting tube, one end are connected to the lower part in mud extraction space, and the other end is set to the top of rotary drum.
2. large-size chemical sewage-treatment plant as described in claim 1, which is characterized in that along its short transverse on the scraper plate
It is provided with sliding slot, the pushing end of the propulsion arm is slidably set in sliding slot.
3. large-size chemical sewage-treatment plant as described in claim 1, which is characterized in that the top of the apopore is provided with
First plate body, its underpart are provided with the second plate body, and the side wall angle of first plate body and rotary drum lower part is 60 °, and described second
Plate body is 20 ° with the side wall angle with rotary drum top, and the upper end of second plate body is 1-20mm, institute at a distance from the first plate body
1.5 times that the first plate body is at least the second plate body length are stated, and when first plate body is from top to bottom arranged, length gradually becomes
It is short.
4. large-size chemical sewage-treatment plant as described in claim 1, which is characterized in that the bottom of the second shell is arranged
There is chassis;Further include:
First body of rod is penetrated the top of the rotary drum by the lower part of second shell, and drives its Direct/Reverse by stepper motor
Reciprocal 360 ° of rotation;
Several air bags are ring structure, are fixed on first body of rod, and between several air bags and the air bag of bottom is connected with
First tracheae, first tracheae are stainless steel material, and first tracheae be arranged close to first body of rod, second tracheae one end and
First tracheae of bottom connects, and the other end passes through third housing sidewall and connect with quick air-inflating apparatus, second tracheae
It is made of flexible material.
5. large-size chemical sewage-treatment plant as claimed in claim 4, which is characterized in that the revolving speed of the stepper motor is
500-800 turns/min.
6. large-size chemical sewage-treatment plant as described in claim 1, which is characterized in that store liquid storage space and centrifugate
The liquid in space is delivered in liquid handling pond.
7. large-size chemical sewage-treatment plant as claimed in claim 4, which is characterized in that the lower part of the second shell is arranged
There is heat blower;
The lower part of first body of rod is provided with several paddles along its axial direction;
The top of the third shell is axially disposed multiple stomatas, and the outer wall of the third shell is provided with insulating layer, institute
The inner wall for stating third shell is provided with cold plate;Top in the third shell positioned at stomata, which circumferentially encloses to be equipped with, to be tilted down
Guide plate, the guide plate and rotary drum have the gap of 2-3mm.
8. the method for large-size chemical sewage-treatment plant processing sewage, which comprises the following steps:
Step 1: pH value of sewage water is adjusted to 7.5~8.8 in conditioning tank, it is sequentially sent to denitrification device, aerobic tank and precipitating
After pond is handled, the liquid in sedimentation basin is pumped into liquid handling pond, wherein be provided between aerobic tank and denitrification device
First reflux pump, the fluid flow reflux ratio for being back to denitrification device from aerobic tank are 100%-200%;Sedimentation basin and aerobic
The second reflux pump is provided between pond, the fluid flow reflux ratio for being back to aerobic tank from sedimentation basin is 100%-200%;
Step 2: the sludge in each pond body is delivered to sludge treatment equipment, sludge is separated with moisture.
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CN107285585A (en) * | 2017-08-25 | 2017-10-24 | 深圳市花蘑菇网络科技有限公司 | A kind of sludge treatment equipment |
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CN203768177U (en) * | 2014-01-24 | 2014-08-13 | 王胜初 | Integrated sewage treatment system |
CN104743751A (en) * | 2015-03-30 | 2015-07-01 | 杭州拓瑞博科技有限公司 | A/O (anaerobic/aerobiotic) sewage treatment process device and technique thereof |
CN206244631U (en) * | 2016-11-28 | 2017-06-13 | 浙江科力尔环保设备有限公司 | A kind of sludge condensation and dehydrating integrated machine |
CN107285585A (en) * | 2017-08-25 | 2017-10-24 | 深圳市花蘑菇网络科技有限公司 | A kind of sludge treatment equipment |
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