CN217808923U

CN217808923U - Novel denitrification test device

Info

Publication number: CN217808923U
Application number: CN202221565813.1U
Authority: CN
Inventors: 白玉琢
Original assignee: Xiangtan Tianyi Environmental Protection Technology Co ltd
Current assignee: Xiangtan Tianyi Environmental Protection Technology Co ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-11-15
Anticipated expiration: 2032-06-22

Abstract

The utility model discloses a novel denitrification test device, main content is: install a plurality of baffle and a plurality of baffle in the cell body and separate into a plurality of regions in with the cell body, the mud pipe is all installed in every region in the cell body, the inlet tube is installed in the mounting hole on the cell body left surface, the outlet pipe is installed in the mounting hole on the cell body right flank, it arranges for upper and lower diagonal angle to have seted up the water hole of crossing on water hole and the adjacent baffle on the baffle, aeration branch pipe is all installed in every region in the cell body, all install the valve on a plurality of aeration branch pipe, aeration is responsible for and installs on the cell body top, the curtain-type filler is all installed in every region in the cell body. The utility model discloses combined the fixed technique of proprietary microorganism carrier, proprietary microorganism carrier has increased in microorganism and the waste water organic pollutant's area of contact, can play certain cushioning effect again, and proprietary microorganism carrier has certain proportion simultaneously, can guarantee that the microorganism biomass is sufficient and proprietary microorganism carrier does not run off.

Description

Novel denitrification test device

Technical Field

The utility model relates to a sewage treatment technical field, specifically speaking, in particular to novel denitrification test device.

Background

With the increase of the national requirement on total nitrogen in the discharge standard of sewage treatment plants, the denitrification tank is widely applied with unique advantages. The denitrification tank has the advantages of simple process flow, stable effect, good effluent quality and low energy consumption. The denitrification tank mainly utilizes denitrifying bacteria to convert nitrate nitrogen into nitrogen so as to complete the removal of total nitrogen in the wastewater. The denitrification has different operation parameters when various waste water is treated, repeated adjustment and search are needed in engineering, time is wasted, production is delayed, and the determination of specific operation parameters through tests becomes a mainstream choice.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that not enough among the above-mentioned prior art is directed at, disclose a novel denitrification test device, it has combined the fixed technique of proprietary microorganism carrier, and proprietary microorganism carrier has increased the area of contact of organic pollutant in microorganism and the waste water, can play certain cushioning effect again, and proprietary microorganism carrier has certain proportion simultaneously, can guarantee that the microorganism biomass is sufficient and proprietary microorganism carrier does not run off.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a novel denitrification test device, includes cell body, baffle, sludge discharge pipe, outlet pipe, valve, aeration person in charge, crosses water hole, aeration branch pipe, inlet tube and curtain-type filler, install in the cell body a plurality of baffle and separate into a plurality of regions in with the cell body, every region all installs sludge discharge pipe and sludge discharge pipe in the cell body and is close to cell body bottom surface department, in the mounting hole of inlet tube installation on the cell body left surface, the outlet pipe is installed in the mounting hole on the cell body right flank, it arranges for upper and lower diagonal angle to have seted up the water hole of crossing on water hole and the adjacent baffle on the baffle, every region all installs aeration branch pipe and aeration branch pipe in the cell body and is close to cell body bottom surface department, a plurality of all install valve and every aeration branch pipe on the aeration branch pipe and all be connected with the aeration person in charge, the aeration person in charge installs on the cell body top, the curtain-type filler is all installed in every region in the cell body.

As a preferred embodiment of the utility model, a plurality of oblique left and right staggered through holes are arranged on the aeration branch pipe.

As an optimal implementation mode of the utility model, a plurality of oblique lower left and right staggered through holes are arranged on the sludge discharge pipe.

In a preferred embodiment of the present invention, the microbial carrier is suspended on the curtain filler, and the EMO complex microorganism is attached to the microbial carrier.

As a preferred embodiment of the present invention, the water passing hole has a square structure.

The utility model is in square four-grid series operation, the water inlet pipe is positioned at one side of the top of the tank body, and the water passing mode of diagonally perforating from top to bottom is adopted between the reaction chambers, thereby effectively preventing the occurrence of short flow; the special biological carrier is hung on the biological curtain which is arranged in the pool, and the microorganism is attached to the biological carrier, so that the microorganism and the special microorganism carrier can be effectively prevented from losing; an aeration system is arranged below the water distribution pipe at the bottom of the tank body, air enters the perforated aeration pipe from the bottom of the tank body, oxygen is provided for microorganisms in the wastewater through the perforated aeration pipe, and the aeration system is not started at ordinary times; the effluent adopts a self-flowing mode, the biological treatment of the wastewater completely depends on the action of microorganisms to purify the wastewater, so whether the types of the microorganisms in the wastewater are complete (aiming at the pollutants to be treated) and whether the quantity of the microorganisms is enough become the most critical conditions, the treatment of new pollutants which are continuously synthesized by only relying on spontaneous bacteria is impossible, and the biological treatment of the wastewater becomes the core content of the biological treatment of the wastewater by combining the types, the quantity and the sources of the microorganisms.

Compared with the traditional activated sludge method, the EMO compound bacteria microbial technology has the following advantages that: (1) The microorganism is complete in variety and sufficient in quantity, so that the decomposition of various complex organic matters which are difficult to treat is smoothly completed; (2) The microorganism has various types, can adapt to toxic environment, can work and cooperate to exert full force and complete difficult tasks; (3) The microbial decomposition capacity is very strong, so that the odor can be eliminated, the solid amount is reduced, and the sludge is greatly reduced, so that the treatment cost and the operation difficulty can be reduced; (4) Compared with the traditional biological method matched with a physical and chemical method, the decolorizing capacity is more than 10 times; (5) Processing power and results have broken the traditional notion of many biological methods.

Conventional activated sludge process	EMO composite bacteria microorganism technology
		The addition of chemical agents has large dosage and produces much sludge	Without this problem
The total construction cost is quite large, the occupied area is wide, and the equipment is complex	Without this problem
		The removal rate of nitrogen (ammonia nitrogen) is low	Without this problem
The number and species of microorganisms are not complete, and the CODcr removal rate is low	Without this problem
		When toxic substances are more, the survival of microorganisms is influenced	Without this problem
Difficulty in removing hardly decomposable organic substances	Without this problem
		Large amount of air must be supplied, and energy consumption is very large	Without this problem
The problem of sludge bulking often occurs	Without this problem

A decomposition chain formed by microorganisms with high decomposability. The decomposition power of various microorganisms is different, and the high-decomposition-power microorganisms are selected to be planted in the sewage and form a biological chain, which is a great characteristic of the EMO composite bacteria microorganism technology. The abundant high-resolution microbes in the system realize the biological treatment of the wastewater which is difficult to be biochemically treated and has BOD/COD less than 0.3, and the value of the BOD of the wastewater is not a traditional biochemical concept for the high-resolution microbes.

The results of research and development of waste water which is generally considered by the domestic environmental protection world and can not be biochemically treated by adopting the EMO composite bacteria microbial technology show that the waste water can be nitrobenzene waste water, papermaking black liquor and high SO ₄ ^2- And Cl ^- The waste water containing the components, pigment waste water, dye waste water, sauce-making waste water, pharmaceutical waste water, pesticide waste water, coking waste water, monosodium glutamate waste water, saccharin waste water and the like can be completely treated by adopting the EMO compound bacteria microbial technology.

The utility model discloses the theory of operation: the EMO composite bacteria microorganism technology and the special microorganism carrier fixing technology are combined, wastewater enters a first reaction chamber of a denitrification tank from a water inlet pipe positioned on one side of the top of a tank body, the wastewater downwards passes through a biological curtain and is fully contacted with microorganisms attached to carriers, the wastewater enters a second reaction chamber through a water passing hole positioned on one side of the lower side of the tank wall opposite to a water inlet after being treated by the first reaction chamber, the wastewater upwards passes through the biological curtain and is fully contacted with the microorganisms attached to the carriers, and the wastewater enters a third reaction chamber after being treated by the second reaction chamber and then enters a fourth reaction chamber; the paths of the wastewater in the third reaction chamber and the fourth reaction chamber are similar to those of the first reaction chamber and the second reaction chamber, and finally the wastewater flows out automatically through the water outlet; when the COD of the effluent is higher than the normal, the aeration system is started, air enters the main aeration pipe from the air inlet and is distributed to each branch aeration pipe by the main aeration pipe, aeration through holes are formed in the branch aeration pipes, and the air uniformly overflows into the wastewater in a small amount through the branch aeration pipes to provide dissolved oxygen for microorganisms so as to degrade the COD.

Compared with the prior art, the utility model has the following advantage: the special microorganism carrier fixing technology is combined, the contact area of microorganisms and organic pollutants in wastewater is increased by the special microorganism carrier, a certain buffering effect can be achieved, and meanwhile the special microorganism carrier has a certain specific gravity, so that sufficient microorganism quantity and no loss of the special microorganism carrier can be guaranteed.

Drawings

Fig. 1 is a top view of the structure of the present invention;

FIG. 2 is a cross-sectional view of the structure of the present invention;

FIG. 3 is a schematic structural view of the sludge discharge pipe of the present invention;

fig. 4 is a schematic structural view of the aeration branch pipe of the present invention.

Description of reference numerals:

1: a tank body, 2: separator, 3: sludge discharge pipe, 4: water outlet pipe, 5: valve, 6: aeration main pipe, 7: water passing hole, 8: aeration branch pipe, 9: inlet tube, 10: curtain-type packing.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings and examples:

it should be noted that the structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the efficacy that the present invention can produce and the purpose that the present invention can achieve.

Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

As shown in fig. 1-4, it shows the utility model discloses a detailed embodiment, as shown in the figure, the utility model discloses a novel denitrification test device, be responsible for 6, cross water hole 7, aeration branch pipe 8, inlet tube 9 and curtain-type filler 10 including cell body 1, baffle 2, mud pipe 3, outlet pipe 4, valve 5, aeration, install in cell body 1 a plurality of baffle 2 and separate into a plurality of regions with the cell body 1 in, every region all installs mud pipe 3 and is close to 1 bottom surface department of cell body in the cell body 1, inlet tube 9 is installed in the mounting hole on 1 left surface of cell body, outlet pipe 4 is installed in the mounting hole on 1 right side of cell body, seted up on baffle 2 and cross water hole 7 and the adjacent baffle 2 on the water hole 7 and be the diagonal angle arrangement from top to top, aeration branch pipe 8 and aeration branch pipe 8 are all installed to every region in cell body 1 and aeration branch pipe 8 is close to 1 bottom surface department, a plurality of aeration branch pipe 8 all install valve 5 and every branch pipe 8 and all is connected with 6 in aeration branch pipe 6 in every top of aeration branch pipe 1.

Preferably, the aeration branch pipe 8 is provided with a plurality of through holes which are obliquely staggered from bottom to left and right.

Preferably, a plurality of inclined, downward, left and right staggered through holes are formed in the sludge discharge pipe 3.

Preferably, a microbial carrier is hung on the curtain filler 10, and an EMO complex microorganism is attached to the microbial carrier.

Preferably, the water through hole 7 has a square structure.

The utility model is in square four-grid series operation, the water inlet pipe 9 is positioned at one side of the top of the tank body 1, and the water passing mode of diagonally perforating from top to bottom is adopted between the reaction chambers, thereby effectively preventing short flow; the special biological carrier is hung on the biological curtain which is arranged in the pool, and the microorganism is attached to the biological carrier, so that the microorganism and the special microorganism carrier can be effectively prevented from losing; an aeration system is arranged below the water distribution pipe at the bottom of the tank body 1, air enters the perforated aeration pipe from the bottom of the tank body, oxygen is provided for microorganisms in the wastewater through the perforated aeration pipe, and the aeration system is not started at ordinary times; the effluent adopts a self-flowing mode, the biological treatment of the wastewater completely depends on the action of microorganisms to purify the wastewater, so whether the types of the microorganisms in the wastewater are complete (aiming at the pollutants to be treated) and whether the quantity of the microorganisms is enough become the most critical conditions, the treatment of new pollutants which are continuously synthesized by only relying on spontaneous bacteria is impossible, and the biological treatment of the wastewater becomes the core content of the biological treatment of the wastewater by combining the types, the quantity and the sources of the microorganisms.

The utility model discloses the theory of operation: the EMO composite bacteria microorganism technology and the special microorganism carrier fixing technology are combined, wastewater enters a first reaction chamber of a denitrification tank from a water inlet pipe 9 positioned on one side of the top of a tank body 1, the wastewater downwards passes through a biological curtain and fully contacts with microorganisms attached to carriers, the wastewater enters a second reaction chamber through a water through hole 7 positioned on one side of the water inlet opposite to the lower side of the tank wall after being treated by the first reaction chamber, the wastewater upwards passes through the biological curtain and fully contacts with the microorganisms attached to the carriers, and the wastewater enters a third reaction chamber and then enters a fourth reaction chamber after being treated by the second reaction chamber; the paths of the wastewater in the third reaction chamber and the fourth reaction chamber are similar to those of the first reaction chamber and the second reaction chamber, and finally the wastewater flows out automatically through the water outlet; when COD in the effluent is higher than a certain level, the aeration system is started, air enters the main aeration pipe 6 from the air inlet and is distributed to each branch aeration pipe 8 by the main aeration pipe 6, aeration through holes are formed in the branch aeration pipes 8, and the air uniformly overflows into the wastewater in a small amount through the branch aeration pipes 8 to provide dissolved oxygen for microorganisms so as to degrade COD.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art.

Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not limited to the specific embodiments, but is intended to be limited only by the scope of the appended claims.

Claims

1. A novel denitrification test device is characterized in that: including cell body, baffle, mud pipe, outlet pipe, valve, aeration person in charge, cross the water hole, aeration branch pipe, inlet tube and curtain-type filler, install a plurality of baffle and a plurality of baffle in the cell body and separate into a plurality of regions with the cell body, every region all installs mud pipe and mud pipe near cell body bottom surface department in the cell body, the inlet tube is installed in the mounting hole on the cell body left surface, the outlet pipe is installed in the mounting hole on the cell body right flank, it arranges for upper and lower diagonal angle to have seted up the water hole of crossing on water hole and the adjacent baffle on the baffle, every region all installs aeration branch pipe and aeration branch pipe near cell body bottom surface department, a plurality of all install valve and every aeration branch pipe on the aeration branch pipe and all be connected with the aeration person in charge, the aeration person in charge installs on the cell body top, every region all installs the curtain-type filler in the cell body.

2. The novel denitrification testing device as claimed in claim 1, wherein: and a plurality of oblique, downward, left and right staggered through holes are formed in the aeration branch pipe.

3. The novel denitrification test device as set forth in claim 1, wherein: a plurality of oblique left-right staggered through holes are formed in the sludge discharge pipe.

4. The novel denitrification test device as set forth in claim 1, wherein: and a microbial carrier is hung on the curtain type filler, and EMO composite bacteria microorganisms are attached to the microbial carrier.

5. The novel denitrification testing device as claimed in claim 1, wherein: the water holes are of square structures.