CN211005004U - Sewage denitrification treatment device - Google Patents

Abstract

The utility model discloses a sewage denitrification processing apparatus, the pressure atomizing device comprises a water inlet pipe, the denitrogenation filter material, strain a section of thick bamboo and outlet pipe, the apron is installed on the top of straining a section of thick bamboo, it has the delivery port to inlay on the left side wall at section of thick bamboo top, and the inside of delivery port has seted up logical groove, logical inslot installs outlet pipe and compound filter screen, the outlet pipe extends to and strains a section of thick bamboo outside, compound filter screen extends to and strains inside, the denitrogenation filter material passes through the locating rack and fixes in straining a section of thick bamboo bottom, the top of locating rack all extends to the top of apron, and fix on the apron through the nut, still be equipped with the limiting plate that is used for injecing. The utility model provides a pair of sewage denitrification processing apparatus directly adopts solid denitrogenation filter material, can replace water-soluble carbon source (methyl alcohol, sodium acetate etc.) stable release as required in water treatment, does not have secondary pollution, reduces total nitrogen at the denitrification link, shows unique degree of depth denitrogenation advantage.

Description

Sewage denitrification treatment device

Technical Field

The utility model relates to a sewage treatment technical field specifically is a sewage denitrification processing apparatus.

Background

With the continuous development and progress of current sewage treatment engineering, the influence of domestic sewage in villages, towns and cities on natural environment is gradually reduced, but in many distributed sewage treatment systems, the nitrogen content in filtered water is still high, and water eutrophication, excessive nitrate content and other phenomena in different degrees are caused in local areas, so that the sewage denitrification treatment process needs to be further improved.

The specific problems are as follows:

1. the conventional sewage denitrification treatment method mostly adopts chemical agents to realize neutralization or conversion of nitrogen elements, but is limited by factors such as dosage, concentration, reaction rate and the like of the chemical agents, and the actual denitrification quality is not ideal;

2. in order to avoid secondary pollution, the denitrification device needs to be cleaned and maintained regularly, but in the actual operation process, the problems of difficult replacement of the internal filter material, inconvenient assembly and the like often exist.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to solve the conventional sewage denitrification processing method and adopt chemical agent to realize neutralization or conversion nitrogen element more, but be subject to factors such as dosage, concentration and reaction rate of chemical agent, the unsatisfactory problem of actual denitrogenation quality often, the utility model provides a sewage denitrification processing apparatus directly adopts solid denitrogenation filter material, can replace water-soluble carbon source (methyl alcohol, sodium acetate etc.) in water treatment and release as required steadily, does not have secondary pollution, reduces total nitrogen in the denitrification link, and simple process shows unique degree of depth denitrogenation advantage.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sewage denitrification processing apparatus, includes inlet tube, denitrogenation filter material, strains a section of thick bamboo and outlet pipe, the apron is installed on the top of straining a section of thick bamboo, it has the delivery port to inlay on the left side wall at a section of thick bamboo top, and the inside of delivery port has seted up logical groove, logical inslot installs outlet pipe and compound filter screen, and the outlet pipe extends to strain a section of thick bamboo outside, and compound filter screen extends to and strains inside, the denitrogenation filter material passes through the locating rack and fixes in a section of thick bamboo bottom, the top of locating rack all extends to the top of apron to fix on the apron through the nut, still be equipped with the limiting plate that is used for injecing denitrogenation filter material position on the locating.

Specifically, the denitrification filter material is composed of a plurality of groups of hollow cylinders, and is made of a polyhydroxyalkanoate fiber non-woven fabric membrane. The polyhydroxyalkanoate is selected and can be used for water treatment to provide a solid slow-release carbon source for microorganisms, and the effects of stable release and deep denitrification are achieved.

Specifically, the locating rack all is U type structure, the denitrogenation filter material is located the central point department of locating rack bottom.

Specifically, the outer edge of the top of the filter cylinder is provided with a sinking groove, the edge of the bottom of the cover plate is provided with a flange, and the sinking groove and the flange are both in a trapezoidal structure and are clamped with each other. A firm sealing effect can be formed.

Specifically, the through groove is of a concave structure, and the composite filter screen and the through groove are mutually nested to form a limiting clamping structure.

Specifically, a plurality of water permeable holes are formed in the limiting plate.

(III) advantageous effects

Compared with the prior art, the utility model provides a sewage denitrification processing device possesses following beneficial effect:

(1) the utility model provides a sewage denitrification processing apparatus directly adopts solid denitrogenation filter material, can replace water-soluble carbon source (methyl alcohol, sodium acetate etc.) stable release as required in water treatment, does not have secondary pollution, reduces total nitrogen at the denitrification link, and simple process shows unique degree of depth denitrogenation advantage.

(2) The utility model provides a sewage denitrification treatment device, which increases the contact area and enhances the decontamination effect by arranging a denitrification filter material made of polyhydroxyalkanoate at the bottom of a filter cylinder, and the denitrification filter material is composed of a plurality of groups of hollow cylinders, and avoids scum discharge by installing a composite filter screen at a through groove, thereby improving the denitrification treatment effect of sewage;

(3) the utility model provides a sewage denitrification processing apparatus, this sewage denitrification processing apparatus, because composite filter screen and concave type structure's logical groove are nested each other, are convenient for take out and put, because the denitrogenation filter material is located the locating rack bottom of U type structure, the whole lift of being convenient for, through the top suit nut at the locating rack, the elongation of the locating rack of being convenient for adjust has realized the altitude mixture control of denitrogenation filter material to the assembly efficiency of processing apparatus inner assembly has been improved.

Drawings

FIG. 1 is a schematic view of the cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the side view of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a water inlet pipe; 2. denitrification filtering material; 3. a positioning frame; 4. a filter cartridge; 5. a water outlet pipe; 6. a cover plate; 7. sinking a groove; 8. a flange; 9. a pull ring; 10. a nut; 11. a water outlet; 12. a through groove; 13. composite filter screen, 14, limit board, 15 water permeable holes.

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 work belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model provides a technical solution: the utility model provides a sewage denitrification processing apparatus, includes inlet tube 1, denitrogenation filter material 2, strains a section of thick bamboo 4 and outlet pipe 5, its characterized in that: a apron 6 is installed on the top of straining a section of thick bamboo 4, it has delivery port 11 to inlay on the left side wall at a section of thick bamboo 4 top, and logical groove 12 has been seted up to delivery port 11's inside, install outlet pipe 5 and compound filter screen 13 in leading to groove 12, outlet pipe 5 extends to a section of thick bamboo 4 outside, compound filter screen 13 extends to a section of thick bamboo 4 inside, denitrification filter material 2 passes through locating rack 3 and fixes in a section of thick bamboo 4 bottom, the top of locating rack 3 all extends to the top of apron 6, and fix on apron 6 through nut 10, still be equipped with the limiting plate 14 that is used for injecing denitrification filter material 2 positions on the locating rack 3, the right side of straining a section of thick bamboo 4 is.

The position-limiting plate 14 is slidably disposed on the positioning frame 3 by self-weight, or can be clamped on the positioning frame 3 by a clamp (not shown in this embodiment), so as to limit the position-limiting plate 14 from moving upwards.

In one embodiment, the denitrification filter material 2 is composed of a plurality of groups of hollow cylinders, and the material of the denitrification filter material 2 is a polyhydroxyalkanoate fiber non-woven fabric membrane.

In one embodiment, the positioning frames 3 are all in a U-shaped structure, and the denitrification filter material 2 is located at the central position of the bottom of the positioning frame 3.

In one embodiment, the outer edge of the top of the filter cartridge 4 is provided with a sinking groove 7, the edge of the bottom of the cover plate 6 is provided with a flange 8, and the sinking groove 7 and the flange 8 are in a trapezoidal structure and are clamped with each other.

In one embodiment, the through groove 12 is a concave structure, and the composite filter screen 13 and the through groove 12 are nested with each other to form a limit clamping structure.

In one embodiment, the limiting plate 14 is provided with a plurality of water permeable holes 15.

The working principle is as follows: when the filter is used, as shown in figures 1 and 2, sewage is continuously injected into the bottom of the filter cylinder 4 through the water inlet pipe 1 and then passes through the denitrification filter material 2, so that the middle part of the filter cylinder 4 is reached, wherein the denitrification filter material 2 is composed of a plurality of groups of hollow cylinders, the contact area of polyhydroxyalkanoate and nitrogen-containing components in the sewage can be increased, water-soluble carbon sources (methanol, sodium acetate and the like) are replaced to be stably released as required, and the water reaches the water outlet 11 along with the continuous rising of the water level, at the moment, the filtering water body is discharged through the through groove 12 and the water outlet pipe 5, and scum generated by standing is fully intercepted by the composite filter screen 13 at the through groove;

after the sewage denitrification treatment device is operated for a period of time, the sewage denitrification treatment device needs to be cleaned and maintained, as shown in the attached drawings 1 and 3, firstly, the cover plate 6 is lifted upwards, the positioning frame 3 of the U-shaped structure synchronously rises under the limiting effect of the nut 10, then, the pull ring 9 is continuously lifted upwards until the denitrification filter material 2 is completely pulled out, then, the composite filter screen 13 in the through groove 12 is pulled out and washed clean, the through groove 12 is inserted again, the new denitrification filter material 2 is replaced, the positioning frame is fixed through the limiting plate 14, the nut 10 is screwed according to actual needs, the elongation of the positioning frame 3 is adjusted, the denitrification filter material 2 is in a proper height, finally, the cover plate 6 is put down, under the action of gravity, the sinking groove 7 is tightly clamped with the flange 8, and the denitrification treatment work of the sewage can be continuously carried out.

In conclusion, the sewage denitrification treatment device not only enhances the sewage removal effect, avoids scum discharge, improves the denitrification treatment effect of sewage, but also improves the assembly efficiency of the internal components of the treatment device.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a sewage denitrification processing apparatus, includes inlet tube (1), denitrogenation filter material (2), strains a section of thick bamboo (4) and outlet pipe (5), its characterized in that: a cover plate (6) is arranged at the top end of the filter cylinder (4), a water outlet (11) is embedded in the left side wall of the top of the filter cylinder (4), a through groove (12) is arranged in the water outlet (11), a water outlet pipe (5) and a composite filter screen (13) are arranged in the through groove (12), the water outlet pipe (5) extends to the outside of the filter cylinder (4), the composite filter screen (13) extends to the inside of the filter cylinder (4), the denitrification filter material (2) is fixed at the bottom of the filter cylinder (4) through a positioning frame (3), the top end of the positioning frame (3) extends to the upper part of the cover plate (6), and is fixed on the cover plate (6) through a nut (10), a limit plate (14) used for limiting the position of the denitrification filter material (2) is also arranged on the positioning frame (3), the right side of the filter cartridge (4) is provided with a water inlet pipe (1), and the bottom end of the water inlet pipe (1) extends to the bottom of the filter cartridge (4).

2. The denitrification treatment apparatus for wastewater according to claim 1, wherein: the denitrification filter material (2) is composed of a plurality of groups of hollow cylinders, and the denitrification filter material (2) is made of a polyhydroxyalkanoate fiber non-woven fabric membrane.

3. The denitrification treatment apparatus for wastewater according to claim 1, wherein: the locating rack (3) is of a U-shaped structure, and the denitrification filter material (2) is located at the center of the bottom of the locating rack (3).

4. The denitrification treatment apparatus for wastewater according to claim 1, wherein: the outer edge of the top of the filter cylinder (4) is provided with a sinking groove (7), the edge position of the bottom of the cover plate (6) is provided with a flange (8), and the sinking groove (7) and the flange (8) are both in a trapezoidal structure and are mutually clamped.

5. The denitrification treatment apparatus for wastewater according to claim 1, wherein: the through groove (12) is of a concave structure, and the composite filter screen (13) and the through groove (12) are mutually nested to form a limiting clamping structure.

6. The denitrification treatment apparatus for wastewater according to claim 1, wherein: the limiting plate (14) is provided with a plurality of water permeable holes (15).

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