CN219752092U

CN219752092U - Integrated water body purifying device with grille

Info

Publication number: CN219752092U
Application number: CN202320916732.XU
Authority: CN
Inventors: 方伟星; 韩骆锋; 宣镇阳; 陈瑶; 汤炫耀
Original assignee: Zhejiang Dongda Environmental Engineering Co ltd
Current assignee: Zhejiang Dongda Environmental Engineering Co ltd
Priority date: 2023-04-19
Filing date: 2023-04-19
Publication date: 2023-09-26
Anticipated expiration: 2033-04-19

Abstract

In order to solve the problem that impurity treatment affects normal work of purifying equipment in the prior art, the utility model provides an integrated water purifying device with a grating, which comprises a box body, wherein a biochemical section and an air floatation section are arranged in the box body, the biochemical section is positioned at the front part of the air floatation section, a grating screen filter part is arranged between the biochemical section and the air floatation section, water discharged from the biochemical section passes through the grating screen filter part before entering the air floatation section, the grating screen filter part has a screening position and a cleaning position, and the grating screen filter part can be switched between the screening position and the cleaning position when the purifying equipment works normally. According to the utility model, through arranging the grid screen filtering part, the switching of the screening position and the cleaning position can be realized under the condition of no shutdown, and the problem that the impurity cleaning on the grid screen filtering part affects the cleaning progress is solved.

Description

Integrated water body purifying device with grille

Technical Field

The utility model belongs to the technical field of water purification equipment, and particularly relates to an integrated water purification device with a grid.

Background

In order to ensure the safety of water bodies and protect natural environment, the prior urban sewage and industrial sewage can be discharged after the sewage is purified to meet the discharge standard, and in the sewage purification treatment process, especially urban sewage, contains more impurities, and generally, a filtering component is added in the purification equipment to filter the impurities so as to ensure the normal operation of the purification equipment.

In the impurity filtering process, along with the purification, impurities on the filtering component can be more and more, if the impurities are not treated, the filtering effect can be reduced, the purification efficiency is influenced, but the filtering component is treated, the shutdown treatment is generally required, and the purification progress of the purification equipment can be influenced.

Disclosure of Invention

In order to solve the problem that impurity treatment affects the normal work of purifying equipment in the prior art, the utility model provides the integrated water purifying device with the grating.

The utility model provides an integrated water purification device with a grating, which solves the technical problems, and the integrated water purification device comprises a box body, wherein a biochemical section and an air floatation section are arranged in the box body, the biochemical section is positioned at the front part of the air floatation section, a grating screen component is arranged between the biochemical section and the air floatation section, the effluent of the biochemical section passes through the grating screen component before entering the air floatation section, the grating screen component is provided with a screening position and a cleaning position, when the grating screen component is positioned at the screening position, the impurities passing through the grating screen component are screened, when the grating screen component is positioned at the cleaning position, the impurities screened by the grating screen component at the screening position are cleaned, and when the purification equipment works normally, the grating screen component can be switched between the screening position and the cleaning position.

In the technical scheme, the water body purifying device is mainly used for purifying the rain and sewage mixed water, and is provided with a biochemical section and an air floatation section, when the water body purifying treatment is carried out, the rain and sewage mixed water is purified by adopting a flow of biochemical treatment and then air floatation treatment, wherein the biochemical treatment can efficiently degrade organic matters in the rain and sewage mixed water and primarily filter impurities in the rain and sewage mixed water, and the air floatation section can treat tiny suspended particles in sewage, and the biochemical treatment and the air floatation technology are mutually combined, so that the water body purifying device has the characteristics of high efficiency, energy saving, small occupied area, impact load resistance, convenient operation management and the like; be equipped with the grid screen filter element between biochemical section and air supporting section, can carry out prefiltering to the water that gets into the air supporting section, avoid impurity to get into the jam phenomenon of releaser that the air supporting section caused, guaranteed the normal work of air supporting section, in addition the grid screen filter element can reach the clearance position under the circumstances that does not influence purifying equipment normal work, realize the clearance of impurity, avoided the phenomenon of shutting down, improved purification efficiency.

Preferably, the grid screen assembly comprises two spaced and parallel grid frames, two of which may be in the screening position simultaneously, or one in the screening position and the other in the cleaning position. And at least one grating screen filter part is positioned at the screening position in the grating screen filter part cleaning process, so that the filtering effect is ensured, and the non-stop operation is realized.

Preferably, a lifting component is arranged in the box body, and the lifting component can drive the grid frame to switch between a screening position and a cleaning position. The position switching of the grid frame is realized through lifting movement.

Preferably, the lifting component comprises a lifting motor, a scroll, a pull rope and a hook, wherein the scroll is connected with an output shaft of the lifting motor, the pull rope is wound on the scroll, a hook body is arranged at one end of the pull rope, and a hanging ring for hooking the hook body is arranged on the upper portion of the grid frame.

Preferably, the grating screen component is provided with an automatic rotary drum grating, and the rotation of the automatic rotary drum grating realizes the alternate switching between the screening position and the cleaning position. According to the technical scheme, the position of the grid frame is changed through rotary motion, the whole position of the grid screen filtering part cannot change in actual use, impurities on the grid screen filtering part can be automatically cleaned through rotation of the structure of the grid screen filtering part, and the degree of automation is higher.

Preferably, a reflux system is arranged in the box body, an inlet end of the reflux system is connected with an outlet of the biochemical section, an outlet end of the reflux system is connected with an inlet of the biochemical section, a pressurizing and lifting system is arranged between the biochemical section and the air floatation section, and the pressurizing and lifting system sends out water of the biochemical section to the air floatation section. Through designed the return flow system in the biochemical section, can carry out cyclic treatment to sewage in the biochemical section, can carry out next step of processing after reaching certain standard, can apply the pressure with the sewage after the biochemical section is handled through the pressure boost lifting system and get into the air supporting section, help improving the treatment effeciency of air supporting section.

Preferably, the grid screen filter element is arranged in the biochemical section. The grating screen filtering part is arranged in the biochemical section, so that impurities are prevented from entering the air floatation section, and the treatment efficiency of the air floatation section is improved.

Preferably, the reflux system comprises a reflux pump, a reflux pipe and a blow-down valve, wherein a basket filter frame is arranged outside the reflux pump, a plurality of blow-down valves are arranged on the reflux pipe at intervals, and a filter frame is arranged at a water inlet of the biochemical section. Can carry the sewage after biochemical treatment to the entrance again through the backwash pump and handle again, can realize the circulation biochemical treatment of sewage, through the design of basket filter frame, make things convenient for the backwash pump to submerge in sewage, can avoid the jam of backwash pump moreover, through the design of blowoff valve, can follow the back flow and discharge sewage, avoid the jam of back flow.

Preferably, the pressurizing and lifting system comprises a pressurizing pump and a pipeline mixer, wherein an inlet of the pressurizing pump and the pipeline mixer is connected with an outlet of the biochemical section, and an outlet of the pressurizing pump and the pipeline mixer is connected with an inlet of the air floatation section. The sewage in the anaerobic tank and the sewage in the aerobic tank in the biochemical section can be uniformly mixed through the pipeline mixer, the pressurizing effect can be achieved on the water body through the booster pump, and the power for conveying the water body from the biochemical section to the air floatation section can be provided.

In summary, the technical scheme of the utility model has at least the following beneficial effects:

1. through the arrangement of the grid screen filtering part, the switching of the grid screen filtering part between the cleaning position and the screening position can be realized under the condition of no shutdown, and the problem that the shutdown affects the purification progress is avoided;

2. integrates the biochemical and air floatation sewage treatment methods, and can effectively improve the purification efficiency of sewage.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic front view of one embodiment of the present utility model;

FIG. 2 is a schematic top view of one embodiment of the present utility model;

FIG. 3 is a schematic side view of one embodiment of the present utility model;

fig. 4 is a schematic view of the structure of a grid screen unit according to one embodiment of the present utility model.

In the figure, 1, a box body; 2. a biochemical section; 21. an inlet of the biochemical section; 3. an air floatation section; 4. a reflow system; 41. a reflux pump; 42. a return pipe; 43. a blow-down valve; 5. a filter frame; 6. a grid screen filter element; 61. a grid frame; 7. a boost lifting system; 8. a lifting motor; 9. a reel; 10. a pull rope; 11. and (5) hanging rings.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides an integrated water purification device with a grating, which is mainly used for purifying rain and sewage mixed water, and is shown in the accompanying drawings 1-4, and comprises a box body 1, wherein a biochemical section 2 and an air floatation section 3 are arranged in the box body 1, the biochemical section 2 is positioned at the front part of the air floatation section 3, a grating screen part 6 is arranged between the biochemical section 2 and the air floatation section 3, water discharged from the biochemical section 2 passes through the grating screen part 6 before entering the air floatation section 3, the grating screen part 6 is provided with a screening position and a cleaning position, when the grating screen part 6 is positioned at the screening position, impurities passing through the grating screen part 6 are screened, when the grating screen part 6 is positioned at the cleaning position, the grating screen part 6 is cleaned at the screening position, and when the purification equipment works normally, the grating screen part 6 can be switched between the screening position and the cleaning position.

In this embodiment, the biochemical section 2 and the air flotation section 3, when the water body is purified, the rain and sewage mixed water enters the biochemical section 2 first to carry out biochemical treatment in the biochemical section 2, wherein the biochemical section 2 mainly carries out treatment on organic matters in the rain and sewage mixed water, the biochemical treatment on the polluted water body can be carried out rapidly by cultivating mixed facultative bacteria attached to carrier fillers, besides the organic matters can be degraded efficiently, the biochemical treatment has a certain denitrification function, the effluent quality is ensured to meet the requirement of emission standard, the biochemical treatment in this embodiment adopts an improved activated sludge process-AO process, and the AO process has the following advantages: (1) the treatment efficiency is high. The process has high removal effect on organic matters, ammonia nitrogen and the like in the wastewater. (2) The method has the advantages of simple flow, low investment, low operation cost, stable operation and strong operation flexibility. The method does not need to add a carbon source and a rear aeration tank, and uses the raw sewage as the carbon source, so the construction and operation cost is lower. (3) The anoxic denitrification process improves the total nitrogen removal efficiency. (4) The volume load is high. The system has high sludge concentration and short residence time. (5) The anoxic/aerobic process has strong load impact resistance, low maintenance workload and simple operation and management.

The mixed rain and sewage is purified by adopting a flow of biochemical treatment and then air floatation treatment, wherein the biochemical treatment can efficiently degrade organic matters in the mixed rain and sewage and perform preliminary filtration on impurities in the mixed rain and sewage, the air floatation section 33 can treat tiny suspended particles in sewage, the biochemical treatment and the air floatation technology are combined with each other, and the sewage treatment device has the characteristics of high efficiency, energy saving, small occupied area, impact load resistance, convenient operation and management and the like, and can enable the treated sewage to reach the emission standard to a certain extent. The biological treatment and the air floatation technology are combined to enable tiny bubbles to adhere to particles suspended in water, and the treatment effects of tiny particles and the like in the sewage treatment process are good, so that the possibility of blockage of a dissolved air releaser is reduced more probably.

In addition, the biochemical and air floatation treatment method is adopted in the embodiment, so that the design of a secondary sedimentation tank is reduced, the occupied area of the purification equipment can be reduced, and the arrangement is more convenient.

In addition, the embodiment is provided with the grid screen filter part 6 between the biochemical section 2 and the air floatation section 3, water body entering the air floatation section 3 can be filtered in advance, the blockage phenomenon of the releaser caused by impurities entering the air floatation section 3 is avoided, the normal operation of the air floatation section 3 is ensured, in addition, the grid screen filter part 6 can reach a cleaning position under the condition that the normal operation of the purifying equipment is not influenced, the cleaning of the impurities is realized, the shutdown phenomenon is avoided, and the purifying efficiency is improved.

One embodiment of the utility model, see fig. 4, comprises two spaced and parallel grid frames 61, both of which grid frames 61 may be in the screening position at the same time, or one grid frame 61 may be in the screening position and the other grid frame 61 in the cleaning position. In this embodiment, two of the grid frames 61 may be at the screening position at the same time, at this time, in the working process, the two grid frames 61 play a role in filtering at the same time, so as to implement double filtration, after a period of working, impurities on the grid frames 61 need to be cleaned at this time, one of the grid frames 61 may be moved to the cleaning position (the position of the dotted line in fig. 4), the other grid frame 61 is kept at the screening position, the grid frame 61 at the screening position plays a role in filtering, so as to ensure the normal operation of the water purification apparatus, the grid frame 61 at the cleaning position returns to the screening position after cleaning impurities, at this time, cleaning of the other grid frame 61 may be alternately performed, so that at least one grid frame 61 is ensured to be at the screening position, and non-stop operation may be implemented.

In this embodiment, a lifting member is provided in the housing 1, said lifting member being able to bring said grid frame 61 between a screening position and a cleaning position. The embodiment achieves the position switching of the grill frame 61 by the elevating movement. The lifting component comprises a lifting motor 8, a scroll 9, a pull rope 10 and a hook, wherein the scroll 9 is connected with an output shaft of the lifting motor 8, the pull rope 10 is wound on the scroll 9, a hook body is arranged at one end of the pull rope 10, and a hanging ring 11 for hooking the hook body is arranged on the upper portion of the grid frame 61. When the device works practically, the hook body hooks the hanging ring 11 to lift the grid frame 61, when the grid frame 61 is lifted to a position separated from the water body to reach a cleaning position, impurities in the grid frame 61 can be cleaned, and after the cleaning is finished, the grid frame 61 is immersed in the water body and placed at a screening position through the lifting component.

One of the embodiments of the utility model is that the grating screen member 6 is provided with an automatic drum grating, the rotation of which realizes an alternating switching between the screening position and the cleaning position. The change of the position of the grid frame 61 through the rotary motion is realized, the whole position of the grid screen filter part 6 can not change in actual use, the impurity on the grid screen filter part 6 can be cleaned automatically through the rotation of the structure, and the degree of automation is higher.

According to one embodiment of the utility model, a reflux system 4 is arranged in the box body 1, the inlet end of the reflux system 4 is connected with the outlet of the biochemical section 2, the outlet end of the reflux system 4 is connected with the inlet of the biochemical section 2, a pressurizing and lifting system 7 is arranged between the biochemical section 2 and the air floatation section 3, and the pressurizing and lifting system 7 sends water discharged from the biochemical section 2 into the air floatation section 3. Through having designed backflow system 4 at biochemical section 2, can carry out cyclic treatment to sewage in biochemical section 2, can carry out the next step and handle after reaching certain standard, can apply entering air supporting section 3 after certain pressure with the sewage after the biochemical section 2 handles through pressure boost lifting system 7, help improving air supporting section 3's treatment effeciency. The reflux system 4 comprises a reflux pump 41, a reflux pipe 42 and a blow-down valve 43, wherein a basket filter frame 5 is arranged outside the reflux pump 41, a plurality of blow-down valves 43 are distributed on the reflux pipe 42 at intervals, and a filter frame 5 is arranged at a water inlet of the biochemical section 2. The sewage after biochemical treatment can be sent to the inlet again for treatment through the reflux pump 41, the circulating biochemical treatment of sewage can be realized, the reflux pump 41 is convenient to submerge in the sewage through the design of the basket filter frame 5, the blockage of the reflux pump 41 can be avoided, the sewage can be discharged from the reflux pipe 42 through the design of the blow-down valve 43, and the blockage of the reflux pipe 42 is avoided.

The grating screen filter unit 6 of the utility model is arranged in the biochemical section 2. The grating screen filter part 6 is arranged in the biochemical section 2, so that impurities can be prevented from entering the air floatation section 3, and the treatment efficiency of the air floatation section 3 is improved.

The pressurizing and lifting system 7 comprises a pressurizing pump and a pipeline mixer, wherein the inlets of the pressurizing pump and the pipeline mixer are connected with the outlet of the biochemical section 2, and the outlets of the pressurizing pump and the pipeline mixer are connected with the inlet of the air floatation section 3. The sewage in the anaerobic tank and the sewage in the aerobic tank in the biochemical section 2 can be uniformly mixed through the pipeline mixer, the pressurizing effect can be achieved on the water body through the booster pump, and the power for conveying the water body from the biochemical section 2 to the air floatation section 3 can be provided.

The utility model reserves a plurality of flange interfaces for installing pipe fittings on the side wall of the box body 11. The assembly of the pipeline is convenient, and the assembly efficiency is improved.

The biochemical section 2 and the air floatation section 3 are isolated from each other. The biochemical section 2 and the air floatation section 3 work independently, and sewage enters the air floatation section 3 after being treated by the biochemical section 2, so that the sewage treatment efficiency can be improved. Wherein the depth of the bubble layer of the air floatation section 3 reaches 1000 mm-1500 mm. The air floatation section 3 uses a 'bubble layer' filtering technology, the depth of the bubble layer reaches about 1000 mm-1500 mm, and the air floatation section is composed of nano-scale bubbles of 1-5 micrometers, so that the effect of efficiently removing pollutants is achieved, the stability and the high efficiency of the treatment effect are effectively ensured, and the impact resistance of the treatment system is improved.

While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the utility model, such changes and modifications are also intended to be within the scope of the utility model.

Claims

1. The integrated water purification device with the grating is characterized by comprising a box body, wherein a biochemical section and an air floatation section are arranged in the box body, the biochemical section is positioned at the front part of the air floatation section, a grating screen filter part is arranged between the biochemical section and the air floatation section, effluent of the biochemical section passes through the grating screen filter part before entering the air floatation section, the grating screen filter part is provided with a screening position and a cleaning position, when the grating screen filter part is positioned at the screening position, impurities passing through the grating screen filter part are screened, when the grating screen filter part is positioned at the cleaning position, impurities screened on the screening position by the grating screen filter part are cleaned, and when the purification equipment works normally, the grating screen filter part can be switched between the screening position and the cleaning position.

2. The integrated water purification apparatus with a grating according to claim 1, wherein the grating screen assembly comprises two spaced and parallel grating frames, both of which may be in the screening position at the same time, or one grating frame in the screening position and the other grating frame in the cleaning position.

3. The integrated water purification device with a grating according to claim 2, wherein a lifting component is arranged in the box body, and the lifting component can drive the grating frame to switch between a sieving position and a cleaning position.

4. The integrated water purification device with a grid according to claim 3, wherein the lifting component comprises a lifting motor, a reel, a pull rope and a hook, the reel is connected with an output shaft of the lifting motor, the pull rope is wound on the reel, a hook body is arranged at one end of the pull rope, and a hanging ring for hooking the hook body is arranged at the upper part of the grid frame.

5. The integrated water purification device with a grating according to claim 1, wherein the grating screen filter element is provided with an automatic drum grating, rotation of which effects an alternating switching between a screening position and a cleaning position.

6. The integrated water purification device with a grid according to claim 1, wherein a reflux system is arranged in the box body, an inlet end of the reflux system is connected with an outlet of the biochemical section, an outlet end of the reflux system is connected with an inlet of the biochemical section, a pressurizing and lifting system is arranged between the biochemical section and the air floatation section, and the pressurizing and lifting system sends effluent of the biochemical section into the air floatation section.

7. The integrated water purification apparatus with a grating according to claim 1, wherein the grating screen filter element is disposed in the biochemical section.

8. The integrated water purification device with a grid according to claim 6, wherein the reflux system comprises a reflux pump, a reflux pipe and a blow-down valve, a basket filter frame is arranged outside the reflux pump, a plurality of blow-down valves are arranged on the reflux pipe at intervals, and a filter frame is arranged at a water inlet of the biochemical section.

9. The integrated water purification device with a grid according to claim 6, wherein the pressurization and lifting system comprises a booster pump and a pipeline mixer, an inlet of the booster pump and the pipeline mixer is connected with an outlet of the biochemical section, and an outlet of the booster pump and the pipeline mixer is connected with an inlet of the air floatation section.