CN111285584A

CN111285584A - Sludge treatment equipment and treatment method thereof

Info

Publication number: CN111285584A
Application number: CN202010152264.4A
Authority: CN
Inventors: 陈晶晶
Original assignee: Nanjing Chuangyuan Environmental Protection Technology Engineering Co Ltd
Current assignee: Nanjing Chuangyuan Environmental Protection Technology Engineering Co Ltd
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2020-06-16

Abstract

The invention discloses sludge treatment equipment and a sludge treatment method, relates to the technical field of sludge treatment, and aims to solve the problem of low sludge treatment efficiency of the conventional sludge treatment equipment. The lower surface of a separating drum is provided with four supporting legs, one side of the top of the separating drum is provided with a feeding hopper, one side of the separating drum is provided with a first motor cover, the inside of the first motor cover is provided with a first motor, the other side of the separating drum is provided with a discharge hole, the inside of the separating drum is provided with a first rotating shaft, one end of the first rotating shaft is connected with the output end of the first motor in a rotating mode, a spiral blade is arranged on the outer wall of the first rotating shaft, the bottom of the separating drum is provided with a water outlet, a settling chamber is arranged below the discharge hole, one side of the settling chamber is provided with an aeration chamber, the other side of the settling chamber is provided with a sludge storage chamber, one side of the aeration chamber is provided with a filter chamber.

Description

Sludge treatment equipment and treatment method thereof

Technical Field

The invention relates to the technical field of sludge treatment, in particular to sludge treatment equipment and a sludge treatment method.

Background

With the continuous development of economy in China, the amount of industrial and urban sewage is increased, so that the amount of sludge generated is increased, the development of current urban sludge treatment process equipment in China is seriously lagged, most of urban sludge is not reasonably treated, and secondary harm is caused to the environment. The construction of sewage treatment plants in domestic large and medium-sized cities is earlier, and the sludge produced by the sewage treatment plants is temporarily stacked on the reserved land because the mature and feasible sludge treatment technology does not exist in China at that time. Along with the lapse of time, the stacking amount of the sludge is continuously increased, and in the processes of enclosing, shoveling and filling ditches, impurities in the sludge are increased, so that the construction waste, the plant waste and the household waste are mixed, and the treatment and disposal difficulty is high; meanwhile, the sludge cannot be dried due to the property, the water content of the sludge after long-term stacking is still high, and the sludge is detected to have the average water content of 81.48 percent, is in a marsh shape, is partially in a jelly block shape, and has low bearing capacity and high construction difficulty.

The existing sludge treatment equipment has low sludge treatment efficiency; therefore, the existing requirements are not met, and a sludge treatment device and a sludge treatment method are provided.

Disclosure of Invention

The invention aims to provide sludge treatment equipment and a treatment method thereof, which aim to solve the problem of low sludge treatment efficiency of the conventional sludge treatment equipment in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a sludge treatment device comprises a separation barrel, wherein the lower surface of the separation barrel is provided with four supporting legs, a feeding hopper is arranged on one side above the separation barrel, a motor cover I is arranged on one side of the separation barrel, a motor I is arranged in the motor cover I, a discharge port is arranged on the other side of the separation barrel, a rotating shaft I is arranged in the separation barrel, one end of the rotating shaft I is rotatably connected with the output end of the motor I, a spiral blade is arranged on the outer wall of the rotating shaft I, a water outlet is arranged at the bottom of the separation barrel, a settling chamber is arranged below the discharge port, an aeration chamber is arranged on one side of the settling chamber, a sludge storage chamber is arranged on the other side of the settling chamber, a filter chamber is arranged on one side of the aeration chamber, a partition plate is arranged in the sludge storage chamber, and a heating bin is arranged above the, a dry sludge bin is arranged below the partition plate, a valve is arranged inside the partition plate, a second motor cover is arranged at the bottom of the aeration chamber, a second motor is arranged inside the second motor cover, a second rotating shaft is connected to the output end of the second motor and is located inside the aeration chamber, stirring blades are arranged on the outer wall of the second rotating shaft, eight stirring blades are arranged on the outer wall of the second rotating shaft, aeration mechanisms are arranged on two sides of the second rotating shaft, an air inlet is arranged on one side above the aeration chamber, a second water pump is arranged on one side of the air inlet, a first water pump is arranged above the filter chamber, an MBR (membrane bioreactor) biofilm is arranged inside the filter chamber, an active carbon adsorption membrane is arranged below the MBR biofilm, a drain pipe is arranged below one side of the filter chamber, the filter chamber is fixedly connected with the aeration chamber through a pipeline, and the aeration chamber is fixedly connected with a settling chamber, the settling chamber is communicated with the sludge storage chamber through a pipeline, and a sludge pump is arranged between the settling chamber and the sludge storage chamber.

Preferably, one side of the water outlet is provided with a flocculating agent box, and the flocculating agent box is arranged on the upper surface of the settling chamber.

Preferably, the front end faces of the filtering chamber, the aeration chamber, the settling chamber and the sludge storage chamber are provided with observation windows.

Preferably, the inner wall of the heating chamber is provided with heating wires.

Preferably, the lower surface of baffle is provided with the sterilamp, and the sterilamp is provided with six.

Preferably, a deodorizer is arranged below the other side of the filter chamber.

Preferably, the lower surface of the stirring blade, which is close to the aeration mechanism, is provided with a mud cleaning brush.

Preferably, one side of each of the eight stirring blades is connected with a mud scraper.

A sludge treatment device and a treatment method thereof comprise the following steps:

step 1: feeding sludge from a feed hopper into the interior of the separation drum;

step 2: starting the first motor to drive the first rotating shaft to rotate, so that the spiral blade is driven to rotate, the sludge is rapidly rotated, and sewage and soil in the sludge are effectively separated under the action of centrifugal force;

and step 3: the separated sewage enters a settling chamber from a water outlet to be settled, and simultaneously, a flocculating agent in a flocculating agent box reacts with the sewage to ensure that the sludge remained in the sewage is quickly settled;

and 4, step 4: the precipitated sludge enters a sludge storage chamber through a sludge pump, and is heated in a heating bin together with the soil separated by the separating cylinder, and the sludge is sterilized at high temperature, so that the water in the sludge is evaporated;

and 5: opening a valve to enable the dry mud with the evaporated moisture to enter a dry mud bin for disinfection;

step 6: the settled sewage enters an aeration chamber through a second water pump, and air is added into the sewage at an air inlet to ensure that the sewage is in contact with the air and oxygenated;

and 7: the aeration mechanism is used for aeration, and the motor II is started at the same time, so that the motor II drives the rotating shaft II to rotate, and the stirring blades are driven to stir liquid, thereby accelerating the transfer of oxygen in the air to the liquid, preventing suspension in the aeration chamber from sinking, and enhancing the contact of indoor organic matters with microorganisms and dissolved oxygen;

and 8: enabling the aerated sewage to enter a filtering chamber through a first water pump, and enabling an MBR (membrane bioreactor) biological membrane and an active carbon adsorption membrane to effectively filter impurities in the sewage;

and step 9: and starting the deodorizer to remove the odor of the filtered liquid, and discharging the liquid from the drain pipe after the deodorization is finished.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through the arrangement of the separation barrel, when sludge enters the separation barrel, the first motor drives the first rotating shaft to rotate, so that the spiral blade is driven to rotate, the sludge is enabled to rotate rapidly, and sewage and soil in the sludge are effectively separated under the action of centrifugal force.

2. Through the setting of storing up the mud chamber, the earth of being separated out gets into through the discharge gate and stores up the mud chamber, it is divided into two regions in heated warehouses and dry mud storehouse to store up the mud chamber by the baffle, earth at first gets into the heated warehouses, because the inner wall of heated warehouses is provided with the heater strip, consequently, be convenient for heat silt, make the inside evaporation of water of silt, and high temperature heating has played the effect of sterilization, earth after the heating has become dry mud, make dry mud get into dry mud storehouse and store through opening the valve, through the setting of sterilamp, dry mud in the mud storehouse has played sterile effect futilely.

3. Through the setting of sedimentation chamber, the sewage that is separated out gets into the sedimentation chamber from the delivery port and deposits, through the setting of flocculating agent box for place the flocculating agent in inside, after flocculating agent and sewage reaction, can subside remaining silt fast in the sewage, improved the efficiency of sediment, the silt through the sediment passes through the silt pump and gets into the mud storage chamber, and sewage then gets into the aeration chamber through the second water pump.

4. Through the setting of aeration chamber, can carry out oxidative decomposition to the organic matter in the sewage, through adding the air in the air inlet to sewage, make sewage and air contact oxygenate, then aerate through aeration mechanism, starter motor two, make two drive pivot two of motor rotate, thereby drive the stirring leaf and stir liquid, oxygen in can the air with higher speed shifts to liquid, prevent that the suspension body from sinking in the aeration chamber, the contact of indoor organic matter with microorganism and dissolved oxygen has been strengthened, through the setting of scraping mud board, be used for scraping impurity such as absorbent silt on the aeration chamber inner wall, be convenient for staff's washing, through setting up the mud cleaning brush, be convenient for clear up the overhead silt of aeration on the aeration mechanism, avoid causing the jam and influence the aeration effect.

5. Through the setting of filter chamber, can carry out fine filtration with sewage, MBR biomembrane has high-efficient separating action, make the liquid of handling extremely clear, suspended solid and turbidity are close to zero, bacterium and virus are got rid of by a wide margin, good play water quality of water has been guaranteed, and the active carbon adsorption membrane also has the ability of very good reason impurity, the porous structure of active carbon provides a large amount of surface areas, thereby reach the purpose of absorbing the foreign particle in the collection liquid very easily, through the setting of deodorizer, can be effectively with the stink in the sewage through filtration treatment for getting rid of.

Drawings

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

figure 2 is a schematic view of the internal structure of the filtering chamber of the present invention;

FIG. 3 is a schematic view of the internal structure of the aeration chamber according to the present invention;

FIG. 4 is a schematic view of the internal structure of the settling chamber of the present invention;

FIG. 5 is a schematic view of the internal structure of the mud storage chamber of the present invention;

in the figure: 1. a separation cylinder; 2. supporting legs; 3. a feed hopper; 4. a first motor cover; 5. a first motor; 6. a helical blade; 7. a first rotating shaft; 8. a water outlet; 9. a mud storage chamber; 10. a discharge port; 11. an observation window; 12. a pipeline; 13. a sludge pump; 14. a settling chamber; 15. a flocculating agent box; 16. an aeration chamber; 17. a motor cover II; 18. a filtering chamber; 19. a deodorizer; 20. a drain pipe; 21. a first water pump; 22. MBR biological membrane; 23. an activated carbon adsorption film; 24. a second motor; 25. a second water pump; 26. an air inlet; 27. a second rotating shaft; 28. stirring blades; 29. a mud scraper; 30. cleaning mud; 31. an aeration mechanism; 32. a heating chamber; 33. a dry sludge bin; 34. a partition plate; 35. a sterilizing lamp; 36. a valve; 37. a heating wire.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-5, an embodiment of the present invention is shown: a sludge treatment device comprises a separation barrel 1, wherein the lower surface of the separation barrel 1 is provided with four support legs 2, the support legs 2 are provided with four feed hoppers 3, one side above the separation barrel 1 is provided with a motor cover I4, one side of the separation barrel 1 is provided with a motor I5, the inside of the motor cover I4 is provided with a motor I5, the other side of the separation barrel 1 is provided with a discharge hole 10, the inside of the separation barrel 1 is provided with a rotating shaft I7, one end of the rotating shaft I7 is rotatably connected with the output end of the motor I5, the outer wall of the rotating shaft I7 is provided with a spiral blade 6, the bottom of the separation barrel 1 is provided with a water outlet 8, a settling chamber 14 is arranged below the discharge hole 10, one side of the settling chamber 14 is provided with an aeration chamber 16, the other side of the settling chamber 14 is provided with a sludge storage chamber 9, one side of the aeration chamber 16, a dry sludge bin 33 is arranged below the partition plate 34, a valve 36 is arranged inside the partition plate 34, a second motor cover 17 is arranged at the bottom of the aeration chamber 16, a second motor 24 is arranged inside the second motor cover 17, a second rotating shaft 27 is connected to the output end of the second motor 24, the second rotating shaft 27 is positioned inside the aeration chamber 16, stirring blades 28 are arranged on the outer wall of the second rotating shaft 27, eight stirring blades 28 are arranged, aeration mechanisms 31 are arranged on two sides of the second rotating shaft 27, an air inlet 26 is arranged on one side above the aeration chamber 16, a second water pump 25 is arranged on one side of the air inlet 26, a first water pump 21 is arranged above the filtering chamber 18, an MBR biological membrane 22 is arranged inside the filtering chamber 18, the MBR biological membrane 22 has a high-efficiency separation effect, so that treated liquid is extremely clear, suspended matters and turbidity are close to zero, an activated carbon adsorption membrane 23 is arranged below the MBR biological membrane 22, and a large amount of surface, thereby achieving the purpose of absorbing and collecting impurity particles in liquid very easily, a drain pipe 20 is arranged below one side of the filtering chamber 18, the filtering chamber 18 is fixedly connected with the aeration chamber 16 through a pipeline 12, the aeration chamber 16 is fixedly connected with the sedimentation chamber 14 through a pipeline 12, the sedimentation chamber 14 is fixedly connected with the sludge storage chamber 9 through a pipeline 12, and a sludge pump 13 is arranged between the sedimentation chamber 14 and the sludge storage chamber 9.

Further, one side of delivery port 8 is provided with flocculating agent box 15, and flocculating agent box 15 sets up at the upper surface of drip chamber 14, through setting up flocculating agent box 15 for place the flocculating agent, after flocculating agent and sewage reaction, can subside remaining silt in the sewage fast.

Further, the front end faces of the filtering chamber 18, the aeration chamber 16, the settling chamber 14 and the sludge storage chamber 9 are all provided with observation windows 11, and through the arrangement of the observation windows 11, workers can observe the condition of sewage treatment conveniently at any time.

Further, the inner wall of the heating bin 32 is provided with a heating wire 37, and by arranging the heating wire 37, the sludge is convenient to heat, so that the water inside the sludge is evaporated, and the high-temperature heating plays a role in sterilization.

Further, the lower surface of baffle 34 is provided with sterilamp 35, and sterilamp 35 is provided with six, through setting up sterilamp 35, has played sterile effect to the dry mud in the dry mud storehouse 33.

Further, a deodorizer 19 is provided below the other side of the filter chamber 18, and the deodorizer 19 can remove odor in the sewage subjected to the filtration treatment.

Further, the lower surface of the stirring blade 28 close to the aeration mechanism 31 is provided with a sludge cleaning brush 30, and the sludge cleaning brush 30 is arranged to facilitate cleaning of sludge on the aeration head on the aeration mechanism 31, so that the influence of blockage on the aeration effect is avoided.

Further, one side of each of the eight stirring blades 28 is connected with a mud scraper 29, and the mud scrapers 29 are arranged for scraping impurities such as mud adsorbed on the inner wall of the aeration chamber 16, so that cleaning by workers is facilitated.

step 1: sludge is fed from a feed hopper 3 into the interior of the separation drum 1;

step 2: starting the motor I5, enabling the motor I5 to drive the rotating shaft I7 to rotate, thereby driving the helical blade 6 to rotate, enabling the sludge to rotate rapidly, and effectively separating sewage and soil in the sludge under the action of centrifugal force;

and step 3: the separated sewage enters a settling chamber 14 from a water outlet 8 for settling, and simultaneously, a flocculating agent in a flocculating agent box 15 reacts with the sewage to ensure that sludge remained in the sewage is quickly settled;

and 4, step 4: the settled sludge enters a sludge storage chamber 9 through a sludge pump 13, and is heated in a heating bin 32 together with the soil separated by the separating cylinder 1, and the sludge is sterilized at high temperature, so that the water in the sludge is evaporated;

and 5: opening the valve 36 to make the dry mud with water evaporated enter the dry mud bin 33 for disinfection;

step 6: the settled sewage enters the aeration chamber 16 through a second water pump 25, and air is added into the sewage at an air inlet 26 to ensure that the sewage is in contact with the air and oxygenated;

and 7: the aeration mechanism 31 is used for aeration, and the second motor 24 is started at the same time, so that the second motor 24 drives the second rotating shaft 27 to rotate, and the stirring blades 28 are driven to stir liquid, thereby accelerating the transfer of oxygen in the air to the liquid, preventing the suspension in the aeration chamber 16 from sinking, and enhancing the contact of indoor organic matters with microorganisms and dissolved oxygen;

and 8: the sewage after aeration enters a filter chamber 18 through a first water pump 21, so that the MBR biological membrane 22 and the active carbon adsorption membrane 23 can effectively filter impurities in the sewage;

and step 9: the deodorizer 19 is activated to remove the odor from the filtered liquid, and the liquid is discharged from the drain pipe 20 after the deodorization is completed.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Sludge treatment plant comprising a separation drum (1), characterized in that: the lower surface of the separation cylinder (1) is provided with four supporting legs (2), one side above the separation cylinder (1) is provided with a feed hopper (3), one side of the separation cylinder (1) is provided with a motor cover I (4), a motor I (5) is installed inside the motor cover I (4), the other side of the separation cylinder (1) is provided with a discharge port (10), a rotating shaft I (7) is arranged inside the separation cylinder (1), one end of the rotating shaft I (7) is rotatably connected with the output end of the motor I (5), the outer wall of the rotating shaft I (7) is provided with a helical blade (6), the bottom of the separation cylinder (1) is provided with a water outlet (8), a settling chamber (14) is arranged below the discharge port (10), and one side of the settling chamber (14) is provided with an aeration chamber (16), the sludge storage chamber (9) is arranged on the other side of the settling chamber (14), a filtering chamber (18) is arranged on one side of the aeration chamber (16), a partition plate (34) is arranged inside the sludge storage chamber (9), a heating bin (32) is arranged above the partition plate (34), a sludge drying bin (33) is arranged below the partition plate (34), a valve (36) is arranged inside the partition plate (34), a motor cover II (17) is arranged at the bottom of the aeration chamber (16), a motor II (24) is arranged inside the motor cover II (17), a rotating shaft II (27) is connected to the output end of the motor II (24), the rotating shaft II (27) is located inside the aeration chamber (16), stirring blades (28) are arranged on the outer wall of the rotating shaft II (27), eight stirring blades (28) are arranged, and aeration mechanisms (31) are arranged on two sides of the rotating shaft II (27), one side of aeration chamber (16) top is provided with air inlet (26), one side of air inlet (26) is provided with second water pump (25), the top of filter chamber (18) is provided with first water pump (21), the inside of filter chamber (18) is provided with MBR biomembrane (22), the below of MBR biomembrane (22) is provided with active carbon adsorption membrane (23), the below of filter chamber (18) one side is provided with drain pipe (20), pipeline (12) and aeration chamber (16) fixed connection are passed through in filter chamber (18), aeration chamber (16) are passed through pipeline (12) and drip chamber (14) fixed connection, drip chamber (14) are passed through pipeline (12) and mud storage chamber (9), be provided with silt pump (13) between drip chamber (14) and mud storage chamber (9).

2. The sludge treatment apparatus as claimed in claim 1, wherein: one side of the water outlet (8) is provided with a flocculating agent box (15), and the flocculating agent box (15) is arranged on the upper surface of the settling chamber (14).

3. The sludge treatment apparatus as claimed in claim 1, wherein: the front end faces of the filtering chamber (18), the aeration chamber (16), the settling chamber (14) and the mud storage chamber (9) are provided with observation windows (11).

4. The sludge treatment apparatus as claimed in claim 1, wherein: the inner wall of the heating bin (32) is provided with a heating wire (37).

5. The sludge treatment apparatus as claimed in claim 1, wherein: the lower surface of baffle (34) is provided with sterilamp (35), and sterilamp (35) are provided with six.

6. The sludge treatment apparatus as claimed in claim 1, wherein: a deodorizer (19) is arranged below the other side of the filter chamber (18).

7. The sludge treatment apparatus as claimed in claim 1, wherein: the lower surface of the stirring blade (28) close to the aeration mechanism (31) is provided with a mud cleaning brush (30).

8. The sludge treatment apparatus as claimed in claim 1, wherein: one side of each of the eight stirring blades (28) is connected with a mud scraper (29).

9. A sludge treatment device and a treatment method thereof are characterized in that: the method comprises the following steps:

step 1: sludge enters the interior of the separating cylinder (1) from the feed hopper (3);

step 2: starting the first motor (5), so that the first motor (5) drives the first rotating shaft (7) to rotate, the spiral blade (6) is driven to rotate, sludge rotates rapidly, and sewage and soil in the sludge are effectively separated under the action of centrifugal force;

and step 3: the separated sewage enters a settling chamber (14) from a water outlet (8) for settling, and simultaneously, a flocculating agent in a flocculating agent box (15) reacts with the sewage to ensure that sludge remained in the sewage is quickly settled;

and 4, step 4: the settled sludge enters a sludge storage chamber (9) through a sludge pump (13), and is heated in a heating bin (32) together with the soil separated by the separating cylinder (1), and the sludge is sterilized at high temperature, so that the water in the sludge is evaporated;

and 5: opening a valve (36) to enable the dry mud with the evaporated moisture to enter a dry mud bin (33) for disinfection;

step 6: the settled sewage enters an aeration chamber (16) through a second water pump (25), and air is added into the sewage at an air inlet (26) to ensure that the sewage is in contact with the air and oxygenated;

and 7: the aeration mechanism (31) is used for aeration, and the second motor (24) is started at the same time, so that the second motor (24) drives the second rotating shaft (27) to rotate, and then the stirring blades (28) are driven to stir the liquid, the oxygen in the air can be accelerated to transfer to the liquid, the suspension in the aeration chamber (16) is prevented from sinking, and the contact of indoor organic matters with microorganisms and dissolved oxygen is enhanced;

and 8: the sewage after aeration enters a filter chamber (18) through a first water pump (21), so that impurities in the sewage are effectively filtered by an MBR (membrane bioreactor) biological membrane (22) and an active carbon adsorption membrane (23);

and step 9: the deodorizer (19) is started to remove the odor of the filtered liquid, and the liquid is discharged from a drain pipe (20) after the deodorization is completed.