CN217265069U - Domestication and feeding equipment for low-temperature aerobic denitrification flora - Google Patents
Domestication and feeding equipment for low-temperature aerobic denitrification flora Download PDFInfo
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- CN217265069U CN217265069U CN202221198636.8U CN202221198636U CN217265069U CN 217265069 U CN217265069 U CN 217265069U CN 202221198636 U CN202221198636 U CN 202221198636U CN 217265069 U CN217265069 U CN 217265069U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The utility model discloses a domestication adding equipment of low-temperature aerobic denitrification flora, which comprises a base, wherein a constant-temperature freezer is arranged on the upper wall of the base, a partition plate is arranged in the inner cavity of the constant-temperature freezer, the partition plate divides the inner cavity of the constant-temperature freezer into an aeration area and a domestication area, an aeration box is arranged in the aeration area, a strain domestication device outer cylinder and a strain domestication device inner cylinder are arranged in the domestication area, a motor is arranged at the upper end of the inner cavity of the constant-temperature freezer, one end of a connecting rod is arranged at the output end of the motor, a stirring frame is arranged at the other end of the connecting rod, denitrification treatment is carried out through the device, the total nitrogen removal efficiency can reach more than 98 percent, in addition, the device can lead a biological carbon source in secondary sedimentation tank sludge to flow back to a biochemical tank, the operation cost is saved, the device is suitable for new construction, extension and upgrading of various sewage treatment plants, the total investment of land occupation and engineering is saved, the original process dependence on the engineering project purpose is not high, the denitrification efficiency is increased only in the form of endogenous source change and exogenous source.
Description
Technical Field
The utility model relates to a sewage treatment technical field specifically is domestication of low temperature good oxygen denitrification flora throws feeder apparatus.
Background
With the continuous improvement of the industrialization and the urbanization degree, the synthetic detergents, fertilizers and pesticides are more and more widely used. A large amount of nitrogen elements enter a water body, so that the eutrophication of the water body is increasingly serious, and in the water body containing a large amount of nitrogen elements, a large amount of algae plants grow, so that the survival of water body organisms is influenced, various diseases are caused, the influence on human beings, wild animals, plants and the like is great, and the ecological damage to the natural water body is also serious;
the traditional biological denitrification process has inevitable defects, so that new denitrification technologies attract more and more attention of people and become hot spots of current research, the existing denitrification technologies need to be modified through large-scale civil engineering ponds to achieve the aim of strengthening biological denitrification of sewage, and the new denitrification technology cannot be widely applied to new construction, modification/extension and upgrading modification projects of sewage treatment plants.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an add feeder apparatus is thrown in domestication of low temperature good oxygen denitrification flora to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the domestication and addition equipment for the low-temperature aerobic denitrification flora comprises a base, wherein a constant-temperature refrigerator is arranged on the upper wall of the base, a partition plate is arranged in an inner cavity of the constant-temperature refrigerator, the partition plate divides the inner cavity of the constant-temperature refrigerator into an aeration zone and a domestication zone, and an aeration box is arranged in the aeration zone;
a feeding pipe is installed on the right side wall of the constant-temperature refrigerator, the feeding pipe penetrates through the side wall of the constant-temperature refrigerator and is inserted into an aeration box, an air blower is installed on the upper wall of the base, an air pipe is installed at the output end of the air blower, the air pipe penetrates through the side walls of the constant-temperature refrigerator and the aeration box, an aerator is sleeved on the side wall of the air pipe and is located in the aeration box, an air hole is formed in the side wall of the air pipe, and the air hole is communicated with the inner cavity of the aerator;
an outer strain acclimation device cylinder is installed in the acclimation area, an inner strain acclimation device cylinder is installed in an inner cavity of the outer strain acclimation device cylinder, a motor is installed at the upper end of an inner cavity of the constant-temperature refrigerator, one end of a connecting rod is installed at the output end of the motor, and a stirring frame is installed by inserting the other end of the connecting rod into the inner strain acclimation device cylinder;
the constant temperature freezer and the motor are both electrically connected with an external power supply.
Preferably, the aerator includes main connecting cylinder, vice connecting cylinder, closing cap, main fender net, vice fender net, support, elastic band and clean shot, the both sides of main connecting cylinder are equipped with the through-hole, main connecting cylinder cup joints in tracheal outside through the through-hole, main fender net is installed to the inside wall of main connecting cylinder, vice connecting cylinder is installed through the screw rotation to the lateral wall of main connecting cylinder, the closing cap is installed through the screw rotation to the inside wall of vice connecting cylinder, the closing cap is the annular, vice fender net is installed to the inside wall of closing cap, the support is installed to the inside wall of vice connecting cylinder, the one end of elastic band is installed to the upper wall of support, the clean shot is installed to the other end of elastic band.
Preferably, the side wall of the partition board is inserted into one end provided with a main connecting pipe, and the other end of the main connecting pipe penetrates through the outer cylinder of the strain acclimation device and the side wall of the inner cylinder of the strain acclimation device to be communicated with the inner cavity of the inner cylinder of the strain acclimation device.
Preferably, the upper wall of the base is provided with a feeding pump, the inner cavity of the outer cylinder of the strain acclimation device is inserted into one end provided with an auxiliary connecting pipe, and the other end of the auxiliary connecting pipe penetrates through the outer cylinder of the strain acclimation device and the side wall of the constant-temperature refrigerator and is arranged at the output end of the feeding pump.
Preferably, the temperature in the constant-temperature refrigerator is 5-10 ℃.
Preferably, the side wall of the constant temperature refrigerator is provided with a transparent window.
Compared with the prior art, the beneficial effects of the utility model are that: the device is used for denitrification treatment, the total nitrogen removal efficiency can reach more than 98 percent, in addition, the device can reflux the biological carbon source in the sludge of the secondary sedimentation tank to the biochemical tank, the operation cost is saved, the device is suitable for new construction, modification/extension and upgrading modification of sewage treatment plants of various scales, the occupied area and the total engineering investment are saved, the original process dependency on the modification project is not high, and the denitrification efficiency is increased simply in a mode of changing internal sources into external sources.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of a cross-sectional structure a-a in fig. 1.
Fig. 3 is a schematic view of the structure of the aerator of the present invention.
In the figure: the device comprises a base 1, a constant-temperature refrigerator 2, a partition plate 3, an aeration zone 4, a domestication zone 5, an aeration box 6, a feeding pipe 7, an air blower 8, an air pipe 9, an aerator 10, a main connecting cylinder 101, an auxiliary connecting cylinder 102, a sealing cover 103, a main blocking net 104, an auxiliary blocking net 105, a support 106, an elastic band 107, hollow balls 108, air holes 11, a strain domestication device outer cylinder 12, a strain domestication device inner cylinder 13, a motor 14, a connecting rod 15, a stirring frame 16, a main connecting pipe 17, a feeding pump 18, an auxiliary connecting pipe 19 and a transparent window 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the domestication and feeding equipment for the low-temperature aerobic denitrification flora comprises a base 1, wherein a constant-temperature refrigerator 2 is installed on the upper wall of the base 1, the temperature in the constant-temperature refrigerator 2 is kept at 5-10 ℃, the activity of denitrification bacteria in sludge can be conveniently recovered in the interval, a partition plate 3 is installed in an inner cavity of the constant-temperature refrigerator 2, the partition plate 3 divides the inner cavity of the constant-temperature refrigerator 2 into an aeration zone 4 and a domestication zone 5, and an aeration box 6 is installed in the aeration zone 4;
a feed pipe 7 is arranged on the right side wall of the constant temperature refrigerator 2, 10-30% of sludge at the bottom of the external secondary sedimentation tank is discharged into an aeration tank 6 through an external pump machine by the feed pipe 7, then the aeration tank 6 is aerated through a blower 8, an air pipe 9 and an aerator 10, the process needs to last for 4 hours, the low dissolved oxygen in the aeration tank 6 is about 0.5-1.0mg/l and is used for recovering the activity of denitrifying bacteria in the sludge of the secondary sedimentation tank, the feed pipe 7 penetrates through the side wall of the constant temperature refrigerator 2 and is inserted into the aeration tank 6, the blower 8 is arranged on the upper wall of the base 1, the air pipe 9 is arranged at the output end of the blower 8, the air pipe 9 penetrates through the side walls of the constant temperature refrigerator 2 and the aeration tank 6, the aerator 10 is sleeved on the side wall of the air pipe 9, the aerator 10 is positioned in the aeration tank 6, the air hole 11 is formed on the side wall of the air pipe 9, and the air hole 11 is communicated with the inner cavity of the aerator 10;
the outer cylinder 12 of the strain acclimation device is installed in the acclimation area 5, the inner cylinder 13 of the strain acclimation device is installed in the inner cavity of the outer cylinder 12 of the strain acclimation device, the motor 14 is installed at the upper end of the inner cavity of the constant-temperature refrigerator 2, the output end of the motor 14 is installed with one end of the connecting rod 15, the other end of the connecting rod 15 is inserted into the inner cylinder 13 of the strain acclimation device and is installed with the stirring frame 16, the stirring frame 16 can stir sludge in the inner cylinder 13 of the strain acclimation device, the sludge circularly flows from bottom to top under the action of the stirring frame 16, meanwhile, the rotating shaft of the connecting rod 15 is internally provided with a permanent magnetic shaft core, and a regular uniform magnetic field can be formed in the inner cylinder area. Performing cyclic domestication on denitrifying bacteria in the sludge for 3-4h under a low-temperature environment, feeding a mud-water mixture subjected to domestication into the outer cylinder 12 of the strain domestication device in an overflow mode, simultaneously performing separation and precipitation, feeding the sludge rich in high-concentration low-temperature aerobic denitrifying bacteria into an anoxic section and an aerobic section of a biological tank for bacteria preparation through a feeding pump 18 from the bottom of the outer cylinder 12 of the strain domestication device after separation, and refluxing supernatant to a front-stage treatment link of an external biological tank;
the constant temperature refrigerator 2 and the motor 14 are both electrically connected with an external power supply.
Specifically, the aerator 10 includes a main connecting cylinder 101, an auxiliary connecting cylinder 102, a sealing cover 103, a main baffle net 104, an auxiliary baffle net 105, a support 106, an elastic band 107 and a hollow ball 108, through holes are arranged on two sides of the main connecting cylinder 101, the main connecting cylinder 101 is sleeved on the outer side of the air pipe 9 through the through holes, the main baffle net 104 is installed on the inner side wall of the main connecting cylinder 101, the auxiliary connecting cylinder 102 is installed on the outer side wall of the main connecting cylinder 101 through screw threads, the sealing cover 103 is installed on the inner side wall of the auxiliary connecting cylinder 102 through screw threads, the sealing cover 103 is annular, the auxiliary baffle net 105 is installed on the inner side wall of the sealing cover 103, the support 106 is installed on the inner side wall of the auxiliary connecting cylinder 102, one end of the elastic band 107 is installed on the upper wall of the support 106, the hollow ball 108 is installed on the other end of the elastic band 107, when the blower 8 blows into the air pipe 9, the hollow ball 108 can rock back and forth between the main baffle net 104 and the auxiliary baffle net 105, and forth in the rocking process, the sludge attached to the main screen 104 and the auxiliary screen 105 can be knocked off by colliding with the main screen 104 and the auxiliary screen 105, and the aerator 10 can be prevented from being blocked.
Specifically, the side wall of the partition 3 is inserted into one end of the main connection pipe 17, and the other end of the main connection pipe 17 penetrates through the side walls of the strain acclimation device outer cylinder 12 and the strain acclimation device inner cylinder 13 to communicate with the inner cavity of the strain acclimation device inner cylinder 13.
Specifically, a feeding pump 18 is installed on the upper wall of the base 1, one end of an auxiliary connecting pipe 19 is inserted into the inner cavity of the outer cylinder 12 of the strain acclimation device, and the other end of the auxiliary connecting pipe 19 penetrates through the outer cylinder 12 of the strain acclimation device and the side wall of the constant temperature refrigerator 2 to be installed at the output end of the feeding pump 18.
Specifically, the temperature in the constant temperature refrigerator 2 is 5 ℃ to 10 ℃.
Particularly, the lateral wall of constant temperature freezer 2 is equipped with transparent window 20, and transparent window 20 can make things convenient for the staff to observe the condition in the constant temperature freezer 2.
The working principle is as follows: according to different actual engineering treatment capacities, 10-30% of sludge at the bottom of the external secondary sedimentation tank is discharged into the aeration tank 6 through the feeding pipe 7 by the external pump, then the aeration tank 6 is aerated by the blower 8, the air pipe 9 and the aerator 10, and the low dissolved oxygen in the aeration tank 6 is about 0.5-1.0mg/l and is used for recovering the activity of denitrifying bacteria in the sludge of the secondary sedimentation tank.
After 4 hours of aeration, the sludge-water mixture rich in denitrifying bacteria overflows from the aeration tank 6, enters the inner cylinder 13 of the strain acclimation device through the main connecting pipe 17 on the partition plate 3, the motor 14 is started to drive the connecting rod 15 and the stirring frame 16 to rotate, sludge in the cylinder circularly flows from bottom to top under the action of the stirring frame 16, and meanwhile, a permanent magnetic shaft core is arranged in a rotating shaft of the connecting rod 15, so that a regular uniform magnetic field can be formed in the inner cylinder area. Further domesticating the denitrifying bacteria in a low-temperature environment by circulating for 3-4 h.
The domesticated mud-water mixture enters the strain domestication outer cylinder 12 in an overflow mode and is simultaneously separated and precipitated, after separation, sludge rich in high-concentration low-temperature aerobic denitrifying bacteria flows into the input end of the feeding pump 18 from an auxiliary connecting pipe 19 at the bottom of the strain domestication outer cylinder 12, then the mud-water mixture is fed to the anoxic section and the aerobic section of the biological tank through the output end of the feeding pump 18 for bacterium preparation, and supernatant liquid flows back to the front section treatment link of the biological tank.
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.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (6)
1. Domestication of low temperature good oxygen denitrification flora is thrown and is thrown equipment, including base (1), its characterized in that: the upper wall of the base (1) is provided with a constant temperature refrigerator (2), the inner cavity of the constant temperature refrigerator (2) is provided with a partition plate (3), the partition plate (3) divides the inner cavity of the constant temperature refrigerator (2) into an aeration area (4) and a domestication area (5), and an aeration box (6) is arranged in the aeration area (4);
a feeding pipe (7) is installed on the right side wall of the constant temperature refrigerator (2), the feeding pipe (7) penetrates through the side wall of the constant temperature refrigerator (2) and is inserted into the aeration box (6), an air blower (8) is installed on the upper wall of the base (1), an air pipe (9) is installed at the output end of the air blower (8), the air pipe (9) penetrates through the side walls of the constant temperature refrigerator (2) and the aeration box (6), an aerator (10) is sleeved on the side wall of the air pipe (9), the aerator (10) is located in the aeration box (6), an air hole (11) is formed in the side wall of the air pipe (9), and the air hole (11) is communicated with the inner cavity of the aerator (10);
a strain acclimation device outer cylinder (12) is installed in the acclimation area (5), a strain acclimation device inner cylinder (13) is installed in the inner cavity of the strain acclimation device outer cylinder (12), a motor (14) is installed at the upper end of the inner cavity of the constant-temperature refrigerator (2), one end of a connecting rod (15) is installed at the output end of the motor (14), and a stirring frame (16) is installed in the inner cylinder (13) of the strain acclimation device in a manner that the other end of the connecting rod (15) is inserted into the inner cylinder (13) of the strain acclimation device;
the constant temperature freezer (2) and the motor (14) are both electrically connected with an external power supply.
2. A domestication and addition apparatus for a low-temperature aerobic denitrification flora according to claim 1, characterized in that: the aerator (10) comprises a main connecting cylinder (101), an auxiliary connecting cylinder (102), a sealing cover (103), a main blocking net (104), an auxiliary blocking net (105), a support (106), an elastic band (107) and hollow balls (108), wherein through holes are formed in two sides of the main connecting cylinder (101), the main connecting cylinder (101) is sleeved on the outer side of the air pipe (9) through the through holes, the main blocking net (104) is installed on the inner side wall of the main connecting cylinder (101), the auxiliary connecting cylinder (102) is installed on the outer side wall of the main connecting cylinder (101) through threaded rotation, the sealing cover (103) is installed on the inner side wall of the auxiliary connecting cylinder (102) through threaded rotation, the sealing cover (103) is annular, the auxiliary blocking net (105) is installed on the inner side wall of the sealing cover (103), the support (106) is installed on the inner side wall of the auxiliary connecting cylinder (102), and one end of the elastic band (107) is installed on the upper wall of the support (106), the other end of the elastic band (107) is provided with a hollow ball (108).
3. The domestication and dosing equipment for low-temperature aerobic denitrification flora according to claim 1, characterized in that: the side wall of the partition plate (3) is inserted into one end provided with a main connecting pipe (17), and the other end of the main connecting pipe (17) penetrates through the side walls of the outer cylinder (12) and the inner cylinder (13) of the strain acclimation device and is communicated with the inner cavity of the inner cylinder (13) of the strain acclimation device.
4. The domestication and dosing equipment for low-temperature aerobic denitrification flora according to claim 1, characterized in that: the upper wall of base (1) is installed and is thrown with pump (18), the one end of installing vice connecting pipe (19) is inserted in the inner chamber of bacterial domestication ware urceolus (12), the other end of vice connecting pipe (19) runs through the lateral wall of bacterial domestication ware urceolus (12) and constant temperature freezer (2) and throws the output installation that adds pump (18).
5. The domestication and dosing equipment for low-temperature aerobic denitrification flora according to claim 1, characterized in that: the temperature in the constant temperature refrigerator (2) is 5-10 ℃.
6. The domestication and dosing equipment for low-temperature aerobic denitrification flora according to claim 1, characterized in that: the side wall of the constant temperature refrigerator (2) is provided with a transparent window (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221198636.8U CN217265069U (en) | 2022-05-11 | 2022-05-11 | Domestication and feeding equipment for low-temperature aerobic denitrification flora |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221198636.8U CN217265069U (en) | 2022-05-11 | 2022-05-11 | Domestication and feeding equipment for low-temperature aerobic denitrification flora |
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| Publication Number | Publication Date |
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| CN217265069U true CN217265069U (en) | 2022-08-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221198636.8U Active CN217265069U (en) | 2022-05-11 | 2022-05-11 | Domestication and feeding equipment for low-temperature aerobic denitrification flora |
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| CN (1) | CN217265069U (en) |
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- 2022-05-11 CN CN202221198636.8U patent/CN217265069U/en active Active
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