CN110451640B - Rapid standard lifting and reconstruction module of denitrification tank for non-stop construction and construction process thereof - Google Patents
Rapid standard lifting and reconstruction module of denitrification tank for non-stop construction and construction process thereof Download PDFInfo
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- CN110451640B CN110451640B CN201910752686.2A CN201910752686A CN110451640B CN 110451640 B CN110451640 B CN 110451640B CN 201910752686 A CN201910752686 A CN 201910752686A CN 110451640 B CN110451640 B CN 110451640B
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- denitrification
- denitrification tank
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- impeller
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- 238000010276 construction Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000008569 process Effects 0.000 title claims abstract description 21
- 239000000945 filler Substances 0.000 claims abstract description 104
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 230000009466 transformation Effects 0.000 claims abstract description 7
- 239000010802 sludge Substances 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 10
- 230000006872 improvement Effects 0.000 claims description 7
- 239000010865 sewage Substances 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 238000002407 reforming Methods 0.000 claims description 3
- 230000000813 microbial effect Effects 0.000 abstract description 4
- 238000012856 packing Methods 0.000 description 20
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 238000000429 assembly Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 3
- 239000002028 Biomass Substances 0.000 description 2
- 230000003851 biochemical process Effects 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- 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
- C02F3/28—Anaerobic digestion processes
-
- 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
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses a rapid standard lifting reconstruction module of a denitrification tank without stopping construction and a construction process thereof, wherein the module comprises an elastic filler frame, elastic fillers and a filler frame fixing mechanism, at least one elastic filler frame filled with the elastic fillers is spliced with each other to form a denitrification filler module, the at least one denitrification filler module can be contained in the denitrification tank, the elastic fillers are just coated in an active denitrification sludge layer of the denitrification tank to be reconstructed, the filler frame fixing mechanism can fix and position the denitrification filler module and the denitrification tank to be reconstructed, and the construction process comprises the steps of firstly fixing the elastic fillers in the elastic filler frame and splicing the elastic filler into the denitrification filler module, and then putting the denitrification filler module into the denitrification tank; an elastic filler frame of the denitrification filler module is compressed by a filler frame fixing rod; the submerged impeller is then fed into the reaction area in the denitrification tank, so that the impact and damage of the transformation engineering to the original microbial community are reduced, the transformation is rapid, and the cost is saved.
Description
Technical Field
The invention relates to a wastewater treatment technology, in particular to a rapid standard lifting and reconstruction module of a denitrification tank for non-stop construction and a construction process thereof.
Background
In recent years, the total nitrogen emission standard is increased in China, and more enterprises need to improve the nitrate nitrogen removal capability of biochemical parts to realize the total nitrogen standard, namely new denitrification structures or reform on the basis of the original denitrification process. The newly built cost is higher, and compared with the prior biochemical process modified to improve the denitrification function, the method becomes the choice of most of nitrogen and nitrate out-of-standard enterprises. Because the original biochemical system cannot meet the corresponding denitrification and denitrification requirements in structural and functional design, the technical means for modifying the original biochemical system are developed around the aim of optimizing the key structural functions of the original biochemical system. The existing denitrification process is basically modified by stopping the machine to clean the pool, and then carrying out modification construction around the following points: the water distribution system is improved, the stirring is enhanced, the biomass is increased, and the pool shape is changed.
In the construction process of reforming the existing denitrification process, the original biochemical process stops running, and the reaction tank is emptied of muddy water until the reforming construction is completed. This can lead to reduced or even shut down production throughout the enterprise, while the denitrifying microbial community of the original biochemical system can be greatly damaged, and the denitrification function of the entire denitrifying biochemical system is basically lost during the construction process.
Disclosure of Invention
In order to overcome the defects, the invention provides the rapid standard lifting reconstruction module for the denitrification tank without shutdown construction and the construction process thereof, and the rapid standard lifting reconstruction module for the denitrification tank without shutdown construction can perform construction and installation while the original denitrification tank normally operates, does not influence the normal operation of the original denitrification tank, and reduces the impact and damage of reconstruction engineering to an original microbial community.
The invention adopts the technical scheme for solving the technical problems: the utility model provides a denitrification tank of construction does not shut down carries mark transformation module, includes elastic filler frame, elastic filler and filler frame fixed establishment, elastic filler is fixed to be set up in elastic filler frame, and at least one elastic filler frame splices each other and forms denitrification filler module, and at least one denitrification filler module can hold in the denitrification tank of waiting to reform transform, and the elastic filler of denitrification filler module just cladding in the active denitrification mud in the denitrification tank of waiting to reform transform, and filler frame fixed establishment can be with denitrification filler module and wait to reform transform denitrification tank fixed positioning.
As a further improvement of the invention, the height of the elastic filler frame is higher than the sewage depth in the denitrification tank to be modified, an empty bottom layer, a filler containing layer and an empty top layer corresponding to the water inlet and outlet of the denitrification tank to be modified, the reaction area and the clear water area are sequentially formed in the elastic filler frame, and the top of the elastic filler frame is exposed out of the liquid level of the denitrification tank to be modified and is fixedly positioned with the top of the elastic filler frame.
As a further improvement of the invention, the packing frame fixing mechanism comprises a packing frame fixing rod and fixing rod matching components, at least one group of fixing rod matching components are correspondingly and fixedly arranged on two opposite side walls above two liquid levels of the denitrification tank to be modified, two ends of at least one packing frame fixing rod are respectively and detachably fixedly connected with each group of fixing rod matching components, and the packing frame fixing rods are correspondingly and tightly abutted against the upper side surfaces of the elastic packing frames of the denitrification packing modules.
As a further improvement of the invention, the invention is also provided with a submerged impeller, an impeller guide rail and an impeller driving device, wherein at least one impeller guide rail is fixedly arranged on the side wall of the denitrification tank to be modified along the depth direction of the denitrification tank to be modified, at least one submerged impeller can be slidably arranged on the impeller guide rail, and the impeller driving device drives the submerged impeller to slide up and down along the impeller guide rail to reach the designated depth position.
As a further improvement of the invention, a plurality of impeller guide rails are distributed on two opposite side walls of the denitrification tank to be modified, and each impeller guide rail is respectively arranged corresponding to each denitrification filler module, and the positions of the submerged impeller positioned on two opposite sides of the denitrification tank are staggered.
As a further improvement of the invention, the impeller driving device comprises an impeller lifting rope and an impeller lifting assembly, wherein the lower end of the impeller lifting rope is fixedly connected with the water impeller shell, the impeller lifting rope is connected with the impeller lifting assembly, and the impeller lifting assembly can pull the impeller lifting rope.
As a further improvement of the invention, the impeller hoisting component is a pulley winding mechanism or a crane which is arranged at the upper end of the denitrification tank to be modified.
A construction process of a rapid standard lifting and reconstruction module of a denitrification pool without stopping construction comprises the following specific steps:
step one: fixedly placing elastic filler into each elastic filler frame;
step two: assembling the elastic filler frame into a denitrification filler module;
step three: placing each denitrification filler module into a denitrification tank to be modified in a hoisting manner;
step four: the upper end faces of the elastic packing frames of the denitrification packing modules are pressed by the packing frame fixing rods, and the two ends of the packing frame fixing rods are positioned on the side wall of the denitrification tank to be modified by the fixing rod matching components;
step five: the upper end of a pusher guide rail is fixedly arranged above the liquid level of the side wall of the denitrification tank to be modified, and the pusher guide rail extends into the denitrification tank;
step six: the submerged impeller is sleeved on the impeller guide rail, and is hoisted by the impeller hoisting assembly to enter a reaction zone in the modified denitrification tank along the guide rail.
The beneficial effects of the invention are as follows: compared with the existing denitrification process, the invention has the following three advantages: firstly, the shutdown of the original biochemical system and the emptying of the reaction tank are avoided, and the impact and damage of the transformation engineering to the original microbial community are greatly reduced; secondly, the transformation process is rapid and quick, so that a great amount of economic cost, time cost and labor cost are saved; thirdly, the effect of total nitrogen upgrading can not be influenced when the flow is simplified by reducing the cost and reducing the process of rapid modularized upgrading reformation.
Drawings
FIG. 1 is a front view of the structural principle of the present invention;
fig. 2 is a top view of the structural principle of the present invention.
Detailed Description
Examples: the utility model provides a denitrification tank of construction does not shut down carries mark transformation module, includes elastic filler frame 6, elastic filler 7 and filler frame fixed establishment, elastic filler 7 is fixed to be set up in elastic filler frame 6, and at least one elastic filler frame 6 splices each other and forms denitrification filler module 9, and at least one denitrification filler module 9 can hold in the denitrification tank of waiting to reform transform, and the elastic filler 7 of denitrification filler module 9 just cladding in the active denitrification mud layer of the denitrification tank of waiting to reform transform, and filler frame fixed establishment can be with denitrification filler module 9 and wait to reform transform denitrification tank fixed positioning.
After the denitrification filler module 9 is placed into a denitrification tank to be modified for positioning in a hoisting mode, active denitrification sludge in the original denitrification tank can be gradually attached to the elastic filler 7, and is continuously propagated to complete film hanging, and the sewage flowing space in the elastic filler 7 is gradually modified into a denitrification reaction zone with rich biomass, so that the nitrate nitrogen removal load of the original tank is obviously improved. Meanwhile, the function of the original denitrification tank is not affected by the embedding of the denitrification filler module 9, and the original biochemical system is not stopped during construction.
The height of the elastic filler frame 6 is higher than the sewage depth in the denitrification tank to be modified, an empty bottom layer, a filler containing layer and an empty top layer corresponding to the water inlet, the reaction zone and the clear water zone of the denitrification tank to be modified are sequentially formed in the elastic filler frame 6, and the top of the elastic filler frame 6 is exposed out of the liquid level outside of the denitrification tank to be modified and is fixedly positioned with the top of the elastic filler frame 6.
After the elastic filler frame 6 is hoisted into the denitrification tank, the upper end of the elastic filler frame is higher than the liquid level of the denitrification tank, so that the elastic filler frame is convenient to fix and position, underwater operation is avoided, the convenience of loading is improved, and meanwhile, the bottom surface of the elastic filler frame 6 is in contact with the bottom of the denitrification tank to limit, so that the elastic filler 7 in the elastic filler frame 6 is ensured to be just in a reaction zone of the denitrification tank.
The filler frame fixing mechanism comprises filler frame fixing rods 5 and fixing rod matching assemblies 8, at least one group of fixing rod matching assemblies 8 are correspondingly and fixedly arranged on two opposite side walls above two liquid levels of the denitrification tank to be modified, two ends of at least one filler frame fixing rod 5 are respectively and fixedly connected with the groups of fixing rod matching assemblies 8 in a detachable mode, and the filler frame fixing rods 5 are correspondingly and tightly abutted to the upper side faces of the elastic filler frames 6 of the denitrification filler modules 9.
The upper end face of the elastic packing frame 6 is tightly pressed by the packing frame fixing rod 5 to fix and position the elastic packing frame 6, so that the construction is convenient, the packing frame fixing rod 5 can tightly press a plurality of elastic packing frames 6, the construction efficiency is high, and the fixing rod matching component 8 can be a nut mechanism in threaded connection with the packing frame fixing rod 5, or a tightening device, or a clamping mechanism, or an elastic telescopic jacking mechanism, etc., which are easily thought by the person skilled in the art according to the patent.
The submersible water impeller is further provided with a submersible water impeller 1, an impeller guide rail 3 and an impeller driving device, wherein at least one impeller guide rail 3 is fixedly arranged on the side wall of the denitrification tank to be modified, which extends along the depth direction of the denitrification tank to be modified, at least one submersible water impeller 1 is slidably arranged on the impeller guide rail 3, and the impeller driving device drives the submersible water impeller 1 to slide up and down along the impeller guide rail 3 to reach a designated depth position.
The submerged impeller 1 is immersed in the original denitrification tank along the impeller guide rail 3 and can be fixed by a stirring device fixing component. The submerged impeller 1 can form impeller flow in water, strengthen the mixing of carbon sources, nitrate nitrogen and activated sludge in a primary tank, and achieve the aim of improving the nitrate nitrogen load by enhancing the mass transfer of the primary denitrification tank. The installation of the submerged impeller 1 does not affect the function of the original denitrification tank, and the original biochemical system is not stopped during construction.
The plurality of impeller guide rails 3 are distributed on two opposite side walls of the denitrification tank to be modified, each impeller guide rail 3 is respectively and correspondingly arranged with each denitrification filler module 9, and the submerged impeller 1 positioned on two opposite sides of the denitrification tank are arranged in a staggered manner. A uniform bidirectional plug flow effect is formed in the denitrification tank.
The impeller driving device comprises an impeller lifting rope 2 and an impeller lifting assembly 4, wherein the lower end of the impeller lifting rope 2 is fixedly connected with the water impeller shell, the impeller lifting rope 2 is connected with the impeller lifting assembly 4, and the impeller lifting assembly 4 can pull the impeller lifting rope 2. The submersible impeller 1 is fed into the denitrification tank through the impeller lifting rope 2, and can be pulled out of the denitrification tank through the impeller lifting rope 2, so that the submersible impeller is convenient to install and maintain, underwater operation is avoided, and normal operation of the original denitrification tank is not affected.
The impeller hoisting assembly 4 is a pulley winding mechanism or a crane which is arranged at the upper end of the denitrification tank to be modified. The winding type hanging rope can be adopted as long as the pulling rope and the rope releasing of the hanging rope 2 of the impeller can be realized, the space is saved, and the dragging type hanging rope can also be adopted.
A construction process of a rapid standard lifting and reconstruction module of a denitrification pool without stopping construction comprises the following specific steps:
step one: the elastic filler 7 is fixedly arranged in each elastic filler frame 6;
step two: assembling the elastic filler frame 6 into a denitrification filler module 9;
step three: placing each denitrification filler module 9 into a denitrification tank to be modified in a hoisting manner;
step four: the upper end faces of the elastic packing frames 6 of the denitrification packing modules 9 are pressed by the packing frame fixing rods 5, and two ends of the packing frame fixing rods 5 are positioned on the side wall of the denitrification tank to be modified by the fixing rod matching components 8;
step five: the upper end of a pusher guide rail 3 is fixedly arranged above the liquid level of the side wall of the denitrification tank to be modified, and the pusher guide rail 3 extends into the denitrification tank;
step six: the submersible pusher 1 is sleeved on a pusher guide rail 3, and is hoisted by a pusher hoisting assembly 4 to enter a reaction zone in the modified denitrification tank along the guide rail.
Claims (5)
1. The utility model provides a construction process of quick standard improvement transformation module of denitrification pond of construction of not shutting down which characterized in that: the rapid standard lifting and reforming module of the denitrification tank for non-stop construction comprises an elastic filler frame, an elastic filler, a filler frame fixing mechanism, a submersible pusher and a pusher guide rail;
the method comprises the following specific steps:
step one: fixedly placing elastic filler into each elastic filler frame;
step two: splicing at least one elastic filler frame to form a denitrification filler module;
step three: placing each denitrification filler module into a denitrification tank to be modified in a hoisting manner, wherein at least one denitrification filler module can be accommodated in the denitrification tank to be modified, elastic fillers of the denitrification filler modules are just coated in an active denitrification sludge layer of the denitrification tank to be modified, the height of the elastic filler frame is higher than the sewage depth in the denitrification tank to be modified, an empty bottom layer, a filler accommodating layer and an empty top layer corresponding to a water inlet zone, a reaction zone and a clear water zone of the denitrification tank to be modified are sequentially formed in the elastic filler frame, and the top of the elastic filler frame is exposed out of the liquid level of the denitrification tank to be modified;
step four: the filler frame fixing mechanism can fix and position the denitrification filler modules and the denitrification tank to be modified, and comprises filler frame fixing rods and fixing rod matching components, wherein at least one group of fixing rod matching components are correspondingly and fixedly arranged on two opposite side walls above two liquid levels of the denitrification tank to be modified, two ends of at least one filler frame fixing rod are respectively and fixedly connected with the fixing rod matching components in a detachable mode, the upper end faces of elastic filler frames of the denitrification filler modules are compressed through the filler frame fixing rods, and two ends of the filler frame fixing rods are positioned on the side walls of the denitrification tank to be modified through the fixing rod matching components;
step five: the upper end of a pusher guide rail is fixedly arranged above the liquid level of the side wall of the denitrification tank to be modified, the pusher guide rail extends into the denitrification tank, and at least one pusher guide rail is fixedly arranged on the side wall of the denitrification tank to be modified along the depth direction of the denitrification tank to be modified;
step six: the submersible pusher is sleeved on a pusher guide rail, and at least one submersible pusher can be slidably arranged on the pusher guide rail and is hoisted by a pusher hoisting assembly to enter a reaction zone in a denitrification tank to be modified along the guide rail.
2. The construction process of the rapid standard lifting reconstruction module for the denitrification tank for non-stop construction according to claim 1, which is characterized in that: the driving device of the pusher is also arranged, and the driving device of the pusher drives the submersible pusher to slide up and down along the guide rail of the pusher to reach the designated depth position.
3. The construction process of the rapid standard lifting reconstruction module for the denitrification tank for non-stop construction according to claim 2, which is characterized in that: the plurality of impeller guide rails are distributed on two opposite side walls of the denitrification tank to be modified, each impeller guide rail is respectively and correspondingly arranged with each denitrification filler module, and the submerged impeller positions on the two opposite side walls of the denitrification tank are staggered.
4. The construction process of the rapid standard lifting reconstruction module for the denitrification tank for non-stop construction according to claim 2, which is characterized in that: the impeller driving device comprises an impeller lifting rope and an impeller lifting assembly, the lower end of the impeller lifting rope is fixedly connected with the submersible impeller shell, the impeller lifting rope is connected with the impeller lifting assembly, and the impeller lifting assembly can pull the impeller lifting rope.
5. The construction process of the rapid standard lifting reconstruction module for the denitrification tank for non-stop construction according to claim 4, which is characterized in that: the impeller hoisting assembly is a pulley winding mechanism or a crane which is arranged at the upper end of the denitrification tank to be modified.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910752686.2A CN110451640B (en) | 2019-08-15 | 2019-08-15 | Rapid standard lifting and reconstruction module of denitrification tank for non-stop construction and construction process thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910752686.2A CN110451640B (en) | 2019-08-15 | 2019-08-15 | Rapid standard lifting and reconstruction module of denitrification tank for non-stop construction and construction process thereof |
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| CN110451640B true CN110451640B (en) | 2024-02-23 |
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