CN214218302U - Horizontal denitrification biological filter - Google Patents
Horizontal denitrification biological filter Download PDFInfo
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- CN214218302U CN214218302U CN202022012324.0U CN202022012324U CN214218302U CN 214218302 U CN214218302 U CN 214218302U CN 202022012324 U CN202022012324 U CN 202022012324U CN 214218302 U CN214218302 U CN 214218302U
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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
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The utility model provides a horizontal denitrogenation biological filter, include: the lower part of the side wall of the filter tank is provided with a water inlet, the upper part of the side wall of the filter tank is provided with a water outlet, the lower part of the side wall of the filter tank is provided with a sludge discharge port, the upper part of the side wall of the filter tank is provided with a back flush water outlet, and the lower; the plurality of brackets are arranged on the inner side of the filter tank; the biological stuffing boxes are arranged on the bracket in a lifting way; a plurality of aeration air inlet pipes, wherein aeration air inlets are formed in the side wall of the filter tank, an aeration air inlet pipe is inserted into each aeration air inlet, and each aeration air inlet pipe positioned on the inner side of the filter tank is provided with an aeration head; one end of the backwashing water inlet pipe extends into the lower part of the inner side of the filter tank from the backwashing water inlet and is externally connected with a backwashing water source; one end of the back flush drain pipe extends into the upper part of the inner side of the filter tank from the back flush water outlet. The horizontal denitrification biological filter tank is horizontally arranged through the liftable biological packing box, so that the height is greatly reduced, the loss of a backwashing water head and the energy consumption are reduced, and the backwashing and the replacement of biological packing are simpler and more convenient.
Description
Technical Field
The utility model belongs to the technical field of denitrogenation biological filter, specifically, relate to a horizontal denitrogenation biological filter.
Background
The biological filter generally has the functions of removing SS, COD, BOD, nitrification, denitrification, dephosphorization and removing AOX (harmful substances). The biological filter is a process integrating biological oxidation and suspended solid interception. However, when the scale of the treatment is large or the pollution load is high, the following problems are caused due to the structure thereof:
1. the height is higher, and potential safety hazards exist.
2. The back washing water quantity and the head loss are large, and the energy consumption is high.
3. The work intensity of replacing the biological filler is high and the difficulty is high.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a horizontal denitrogenation biological filter to solve the potential safety hazard that current biological filter height is higher to lead to and the backwash water yield is big, the problem that the energy consumption is high.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
a horizontal denitrification biological filter comprises: the filter tank is horizontally arranged, a water inlet is formed in the lower portion of one side wall of the filter tank and is externally connected with a sewage source, a water outlet is formed in the upper portion of one side wall of the filter tank, a sludge discharge port is formed in the lower portion of one side wall of the filter tank, a backwashing water outlet is formed in the upper portion of one side wall of the filter tank, and a backwashing water inlet is formed in the lower portion of one side wall of the filter tank; the brackets are arranged at intervals on the inner side of the filter tank, the brackets are arranged along the width direction of the filter tank, and the brackets are arranged at intervals along the length direction of the filter tank; the biological filler box groups are correspondingly arranged on a bracket and can be arranged on the bracket in a lifting way, each biological filler box group comprises at least one biological filler box, and the biological filler boxes are arranged on the inner side of the filter tank along the water flow direction of the filter tank; the aeration air inlet pipe extends into the lower part of the inner side of the filter tank from the aeration air inlet, each aeration air inlet pipe positioned on the inner side of the filter tank is provided with an aeration head, and the number of the aeration heads on each aeration pipe corresponds to the number of the biological filler boxes in each group of biological filler boxes; one end of the backwashing water inlet pipe extends into the lower part of the inner side of the filter tank from a backwashing water inlet, and the backwashing water inlet pipe positioned on the outer side of the filter tank is externally connected with a backwashing water source; and one end of the back washing water drainage pipe extends into the upper part of the inner side of the filter from the back washing water outlet.
Furthermore, each bracket is provided with a lifting frame in a sliding way, and the number of the lifting frames corresponds to that of the biological stuffing boxes on the bracket; a cross beam is erected above the filter tank along the length direction of the filter tank, a lifting motor is arranged on the cross beam in a sliding manner, and the lifting motor slides along the length direction of the cross beam; the upper surface of each lifting frame is provided with a lifting ring, a lifting rope is arranged on each lifting ring, one end, far away from each lifting ring, of each lifting rope is connected with a lifting beam, and each lifting frame corresponds to one lifting beam; the lifting motor slides along the length direction of the cross beam, the lifting motor drives one of the lifting beams to ascend or descend, and the lifting beam drives the lifting frame to drive the biological stuffing box to ascend or descend through the lifting rope and the lifting ring; and a PLC (programmable logic controller) is arranged on the outer side of the filter tank, and the lifting motor is in communication connection with the PLC.
Furthermore, the supports are arranged on the inner surfaces of the side walls of the filter chamber in the length direction, and the supports are alternately arranged on the inner surfaces of the two opposite side walls of the filter chamber in the length direction at intervals along the length direction of the filter chamber.
Furthermore, each group of biological packing boxes comprises 2 biological packing boxes, 2 biological packing boxes are arranged at intervals along the width direction of the filter, and 2 biological packing boxes are arranged in 1 lifting frame at intervals.
Furthermore, a back washing air port is formed in the lower portion of one side wall of the filter tank, a back washing air pipe is inserted into the back washing air port, the back washing air pipe positioned on the outer side of the filter tank is connected with a back washing air source, and a back washing air valve in communication connection with the PLC is arranged on the back washing air pipe positioned on the outer side of the filter tank.
Furthermore, a back washing water valve which is in communication connection with the PLC is arranged on a back washing water inlet pipe which is positioned outside the filter tank.
Furthermore, a back washing water discharge pipe positioned outside the filter chamber is provided with a water discharge pump which is in communication connection with the PLC.
The beneficial effects of the utility model reside in that:
the horizontal denitrification biological filter changes the existing vertical biological filter into a horizontal biological filter, realizes the horizontal placement of the biological filler box in the vertical direction in a lifting mode, can ascend or descend in the filter, and changes the vertical biological filler box into the horizontal biological filler box, thereby greatly reducing the height of the biological filter, effectively reducing the height of the filter body, improving the safety and reducing the back flushing water quantity and the head loss; the liftable biological stuffing box is convenient for cleaning and replacing stuffing, so that the operation and maintenance are simpler; compared with the traditional biological filter, the process is simpler.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
FIG. 1 is a schematic plan view of a horizontal denitrification biological filter according to embodiment 1 of the present invention;
FIG. 2 is a schematic sectional view of a horizontal denitrification biological filter according to embodiment 1 of the present invention;
in the figure, 1, a filter chamber, 11, a water inlet, 12, a water outlet, 13, a sludge discharge port, 14 and a back flush water outlet;
2. a support;
3. a biological stuffing box group 31, a biological stuffing box;
4. an aeration air inlet pipe 41, an aeration air inlet 42 and an aeration head.
5. The lifting frame 51, the cross beam 52 and the lifting motor; 53. lifting rings 54, lifting ropes 55 and lifting beams.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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.
In the present invention, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.
Example 1
Referring to fig. 1, the utility model discloses a horizontal denitrogenation biological filter, include: the filter 1 is horizontally arranged, a water inlet 11 is formed in the lower portion of one side wall of the filter 1, the water inlet 11 is externally connected with a sewage source (not shown), a water outlet 12 is formed in the upper portion of one side wall of the filter 1, a sludge discharge port 13 is formed in the lower portion of one side wall of the filter 1, a backwashing water outlet 14 is formed in the upper portion of one side wall of the filter 1, and a backwashing water inlet (not shown) is formed in the lower portion of one side wall of the filter 1; the support frames 2 are arranged on the inner side of the filter tank 1 at intervals, the support frames 2 are arranged along the width direction of the filter tank 1, and the support frames 2 are arranged at intervals along the length direction of the filter tank 1; the biological filler box groups 3 are arranged on one support 2 correspondingly, each biological filler box group 3 is arranged on one support 2 in a lifting manner, each biological filler box group 3 comprises at least one biological filler box 31, and the biological filler boxes 3 are arranged on the inner side of the filter tank 1 along the length direction of the filter tank 1; a plurality of aeration air inlet pipes 4, wherein an aeration air inlet 41 is arranged on the side wall of the filter tank 1 corresponding to the lower part of each group of biological filler tank groups 3, an aeration air inlet pipe 4 is inserted into each aeration air inlet 41, each aeration air inlet pipe 4 extends into the lower part of the inner side of the filter tank 1 from the aeration air inlet 41, each aeration air inlet pipe 4 positioned on the inner side of the filter tank 1 is provided with an aeration head 42, and the number of the aeration heads 42 on each aeration pipe 4 corresponds to the number of the biological filler tanks 31 in each group of biological filler tank groups 3; a backwashing water inlet pipe (not shown), one end of which extends into the lower part of the inner side of the filter tank 1 from a backwashing water inlet, and the backwashing water inlet pipe positioned at the outer side of the filter tank 1 is externally connected with a backwashing water source (not shown); and a back flush drain pipe (not shown) with one end extending from the back flush water outlet 14 to the upper part of the inner side of the filter chamber 1.
Furthermore, the supports 2 are arranged on the inner surfaces of the side walls of the filter chamber 1 in the length direction, and the supports 2 are alternately arranged on the inner surfaces of the two opposite side walls of the filter chamber 1 in the length direction at intervals in the length direction.
Furthermore, an aeration air inlet pipe 4 positioned outside the filter tank 1 is connected with an aeration air source (not shown), and an aeration valve (not shown) communicated with the PLC is arranged on the aeration air inlet pipe 4 positioned outside the filter tank 1.
Furthermore, a backwashing water valve (not shown) which is in communication connection with the PLC is arranged on the backwashing water inlet pipe which is positioned at the outer side of the filter tank 1.
Furthermore, a drain pump (not shown) connected in communication with the PLC controller is provided in the backwash drain pipe located outside the filter tank 1.
Wherein, the main water flow direction in the filter tank 1 is a horizontal flow direction.
The use mode of the horizontal denitrification biological filter is as follows:
when in use, sewage enters the upper part of the inner side of the filter tank 1 from the water inlet 11, the sewage is filtered by the biological stuffing box 31, when the sewage to be treated flows through the biological stuffing box 31, the sewage is rapidly purified by utilizing the adsorption capacity and the degradation capacity of the biological stuffing box 31, while suspended matters and dropped microbial films in the sewage can not penetrate through the packing layer of the biological stuffing box 31 to be discharged along with the water, the bottom of the filter tank is provided with oxygen required by decomposing pollutants by microorganisms through the matching design of an aeration air inlet pipe 4 and an aeration head 42, the functions of biological oxidation decomposition, digestion reaction, physical interception and the like are simultaneously generated in the denitrification biological filter, the sewage level is consistent with the height of the biological stuffing box 31 in the normal operation process, thus, the sewage flows through the biological filler and is fully contacted with the biological filler, so that pollutants can be effectively removed;
and then backwashing, namely starting a backwashing water valve to backwash the biological stuffing box 31 in the filter tank 1, wherein the liquid level of backwashing water is higher than that of the biological stuffing box 31 during backwashing, and aged sludge on the surface of the biological stuffing is removed under the cooperation of the aeration air inlet pipe 4 and the aeration head 42 and is discharged out of the filter tank 1 along with water flow through the sludge discharge port 13.
The horizontal denitrification biological filter tank is horizontally arranged through the liftable biological packing box, so that the height is greatly reduced, the backwashing head loss and the energy consumption are further reduced, the traditional vertical type is changed into the horizontal type, the appearance is attractive, the liftable biological packing box is arranged, and the backwashing and the replacement of biological packing are simpler and more convenient.
Example 2
Furthermore, each support 2 is provided with a lifting frame 5 in a sliding manner, and the number of the lifting frames 5 corresponds to the number of the biological stuffing boxes 3 on the supports 2; a cross beam 51 is erected above the filter tank 1 along the length direction of the filter tank 1, a lifting motor 52 is arranged on the cross beam 51 in a sliding manner, and the lifting motor 52 slides along the length direction of the cross beam 51; a lifting ring 53 is arranged on the upper surface of each lifting frame 5, a lifting rope 54 is arranged on each lifting ring 53, one end, far away from each lifting ring 53, of each lifting rope 54 is connected with a lifting beam 55, and each lifting frame 5 corresponds to one lifting beam 55; the lifting motor 52 slides along the length direction of the cross beam 51, the lifting motor 52 drives one lifting beam 55 to ascend or descend, and the lifting beam 55 drives the lifting frame 5 to drive the biological stuffing box 31 to ascend or descend through the lifting rope 54 and the lifting ring 53; a PLC (not shown) is arranged outside the filter tank 1, and the lifting motor 52 is in communication connection with the PLC.
Further, each group of biological stuffing boxes 3 comprises 2 biological stuffing boxes 31, 2 biological stuffing boxes 31 are arranged at intervals along the width direction of the filter 1, and 2 biological stuffing boxes 31 are arranged in 1 lifting frame 5 at intervals.
The lifting frame 5, the lifting beam 55 and the lifting motor 52 are matched to realize the ascending or descending of the biological stuffing box 31, so that the liftable biological stuffing box 31 is formed, the height of the liftable biological stuffing box 31 is greatly reduced by the horizontal arrangement, and the backwashing water head loss and the energy consumption are further reduced.
The rest is the same as example 1.
It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and are not limited. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that various modifications and equivalent arrangements can be made without departing from the scope of the present invention, which is intended to be covered by the appended claims.
Claims (7)
1. A horizontal denitrification biological filter is characterized by comprising:
the filter tank is horizontally arranged, a water inlet is formed in the lower portion of one side wall of the filter tank and is externally connected with a sewage source, a water outlet is formed in the upper portion of one side wall of the filter tank, a sludge discharge port is formed in the lower portion of one side wall of the filter tank, a backwashing water outlet is formed in the upper portion of one side wall of the filter tank, and a backwashing water inlet is formed in the lower portion of one side wall of the filter tank;
the brackets are arranged at intervals on the inner side of the filter tank, the brackets are arranged along the width direction of the filter tank, and the brackets are arranged at intervals along the length direction of the filter tank;
the biological filler box groups are correspondingly arranged on a bracket and can be arranged on the bracket in a lifting way, each biological filler box group comprises at least one biological filler box, and the biological filler boxes are arranged on the inner side of the filter tank along the water flow direction of the filter tank;
the aeration air inlet pipe extends into the lower part of the inner side of the filter tank from the aeration air inlet, each aeration air inlet pipe positioned on the inner side of the filter tank is provided with an aeration head, and the number of the aeration heads on each aeration pipe corresponds to the number of the biological filler boxes in each group of biological filler boxes;
one end of the backwashing water inlet pipe extends into the lower part of the inner side of the filter tank from a backwashing water inlet, and the backwashing water inlet pipe positioned on the outer side of the filter tank is externally connected with a backwashing water source;
and one end of the back washing water drainage pipe extends into the upper part of the inner side of the filter from the back washing water outlet.
2. The horizontal denitrification biofilter according to claim 1, wherein a lifting frame is arranged on each bracket in a sliding manner, and the number of the lifting frames corresponds to the number of the biological stuffing boxes on the bracket;
a cross beam is erected above the filter tank along the length direction of the filter tank, a lifting motor is arranged on the cross beam in a sliding manner, and the lifting motor slides along the length direction of the cross beam;
the upper surface of each lifting frame is provided with a lifting ring, a lifting rope is arranged on each lifting ring, one end, far away from each lifting ring, of each lifting rope is connected with a lifting beam, and each lifting frame corresponds to one lifting beam;
the lifting motor slides along the length direction of the cross beam, the lifting motor drives one of the lifting beams to ascend or descend, and the lifting beam drives the lifting frame to drive the biological stuffing box to ascend or descend through the lifting rope and the lifting ring;
and a PLC (programmable logic controller) is arranged on the outer side of the filter tank, and the lifting motor is in communication connection with the PLC.
3. The horizontal denitrification biofilter according to claim 1 or 2, wherein the brackets are arranged on the inner surfaces of the side walls in the length direction of the filter, and a plurality of the brackets are alternately arranged on the inner surfaces of the opposite side walls in the length direction of the filter at intervals along the length direction of the filter.
4. The horizontal denitrification biofilter according to claim 1 or 2, wherein each group of the biological packing boxes comprises 2 biological packing boxes, 2 biological packing boxes are arranged at intervals along the width direction of the filter, and 2 biological packing boxes are arranged at intervals in 1 lifting frame.
5. The horizontal denitrification biofilter according to claim 1, wherein an aeration air inlet pipe positioned outside the biofilter is connected with an aeration air source, and an aeration valve in communication connection with a PLC (programmable logic controller) is arranged on the aeration air inlet pipe positioned outside the biofilter.
6. The horizontal denitrification biofilter according to claim 1, wherein a backwash water valve in communication connection with the PLC controller is arranged on a backwash water inlet pipe positioned outside the biofilter.
7. The horizontal denitrification biofilter according to claim 1, wherein a drain pump in communication connection with a PLC controller is arranged on a back flush drain pipe positioned outside the biofilter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022012324.0U CN214218302U (en) | 2020-09-15 | 2020-09-15 | Horizontal denitrification biological filter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022012324.0U CN214218302U (en) | 2020-09-15 | 2020-09-15 | Horizontal denitrification biological filter |
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| CN214218302U true CN214218302U (en) | 2021-09-17 |
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| CN202022012324.0U Active CN214218302U (en) | 2020-09-15 | 2020-09-15 | Horizontal denitrification biological filter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118026408A (en) * | 2024-04-11 | 2024-05-14 | 四川发展环境科学技术研究院有限公司 | System and method for removing nitrogen and phosphorus in sewage by iron ion driven denitrification-anaerobic ammoxidation |
-
2020
- 2020-09-15 CN CN202022012324.0U patent/CN214218302U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118026408A (en) * | 2024-04-11 | 2024-05-14 | 四川发展环境科学技术研究院有限公司 | System and method for removing nitrogen and phosphorus in sewage by iron ion driven denitrification-anaerobic ammoxidation |
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