CN210419646U

CN210419646U - Domestic sewage treatment system for environmental protection

Info

Publication number: CN210419646U
Application number: CN201921148024.6U
Authority: CN
Inventors: 修欢; 卢鹏; 邱建
Original assignee: Institute Of Environmental Protection Chongqing University Of Technology And Industry
Current assignee: Chongqing Industrial and Commercial University Environmental Protection Research Institute Co.,Ltd.
Priority date: 2019-07-20
Filing date: 2019-07-20
Publication date: 2020-04-28
Anticipated expiration: 2029-07-20

Abstract

The utility model relates to an environment-friendly domestic sewage treatment system, which mainly relates to the field of domestic sewage treatment, and comprises a water collecting tank and a clean water tank which are connected through a water pipe, wherein a composite biological treatment tank and an active carbon tank are sequentially connected between the water collecting tank and the clean water tank through the water pipe, and water pumps are arranged on the water pipes; a filtering mechanism is arranged above the water collecting tank and comprises a horizontally-transmitted belt and a power assembly driving the belt to rotate, and a plurality of filtering holes are densely distributed in the belt. The utility model discloses have the effect of automatic continuity large-scale rubbish of prefiltration in order to improve sewage treatment efficiency.

Description

Domestic sewage treatment system for environmental protection

Technical Field

The utility model relates to a domestic sewage treatment's technical field especially relates to domestic sewage treatment system for the environmental protection.

Background

Sewage treatment is a process of purifying sewage to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage. The sewage treatment system is widely applied to the fields of buildings, industry, catering and the like.

The patent application with the prior reference application publication number of CN109761407A discloses a sewage treatment system, which comprises a precipitation device, a filtering device, a flocculation device and an oxidation device, wherein the oxidation device comprises a reactor shell, a water inlet pipe arranged at the lower part of the reactor shell, an aeration mechanism, a fixing mechanism for fixing a catalyst, a scraping mechanism for cleaning the surface of the catalyst and a collecting mechanism, the scraping mechanism comprises a scraping piece attached to the surface of the catalyst and a driving assembly for driving the catalyst to rotate, and the filtering device comprises a filtering cylinder, a first filtering net arranged in the filtering cylinder and a filtering net fixing mechanism for fixing the first filtering net. The invention can purify the sewage, but the technical proposal has the following defects: first filter screen filters the large granule thing rubbish in the sewage, remains when sewage through back large granule rubbish and causes the jam to the mesh of first filter screen easily on first filter screen, if the clearance is untimely, first filter screen loses the filter effect easily and influences sewage treatment efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an environmental protection is with domestic sewage treatment system has the effect of automatic continuity large-scale rubbish of prefiltration in order to improve sewage treatment efficiency.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

an environment-friendly domestic sewage treatment system comprises a water collecting tank and a clean water tank which are connected through a water pipe, wherein a composite biological treatment tank and an active carbon tank are sequentially connected between the water collecting tank and the clean water tank through water pipes, and water pumps are arranged on the water pipes; a filtering mechanism is arranged above the water collecting tank and comprises a horizontally-transmitted belt and a power assembly driving the belt to rotate, and a plurality of filtering holes are densely distributed in the belt.

Through above-mentioned technical scheme, power component drives the belt and is transported to the other end from one end in the catch basin top, and when the sewage that contains large granule rubbish emptys from the belt top and enters into the catch basin, sewage passed the filtration pore entering catch basin on the belt, and large-scale impurity is held back and is transported the catch basin outside by the belt on the belt. The water pump transfers the sewage subjected to primary filtration to the composite biological treatment tank for biological decomposition, so that organic matters in the sewage are decomposed and purified. Then the water is transferred to an active carbon pool by a water pump, and the active carbon pool adsorbs fine particles in the water, so that the sewage is further purified, the aim of recycling is achieved, and water resources are saved.

The utility model discloses further set up to: the power component comprises a driving wheel and a driven wheel, the driving wheel is horizontally and rotatably supported above the water collecting tank, one end of the driving wheel is connected with a motor, and the driving wheel, the driven wheel and a belt form belt transmission connection.

Through adopting above-mentioned technical scheme, motor work drives the action wheel and rotates, and the action wheel drives the belt transmission through belt drive mechanism, and whole filter mechanism's power component simple structure maintains the convenience.

The utility model discloses further set up to: be equipped with a deodorization mechanism between compound biological treatment pond and the active carbon pond, deodorization mechanism includes the box, spouts dirty head, ultraviolet lamp and grid, and the dirty head that spouts with the water pipe intercommunication is installed at the box top, and the bottom half is passed through pipeline and active carbon pond intercommunication, and ultraviolet lamp and grid are fixed in on the lateral wall that the box is located spouts dirty head below, and the grid surface is equipped with nanometer titanium dioxide catalyst layer.

By adopting the technical scheme, the composite biological treatment tank utilizes microorganisms to carry out biodegradation on organic matters in sewage, methane, ammonia or hydrogen sulfide and other gases are generated under anaerobic conditions, the water pump sprays water containing the peculiar smell gases into water mist through the sewage spraying head at the top of the box body, the water mist generates catalytic reaction through an ultraviolet lamp and a catalyst when passing through the grid, and the volatile organic gases are decomposed into carbon dioxide and water by utilizing a UV photolysis technology, so that the aim of deodorization is fulfilled.

The utility model discloses further set up to: still be equipped with spray rinsing mechanism on the filtering mechanism, spray rinsing mechanism sets up in belt one side and is connected with the trunk line at water source including the level, and the trunk line is connected with an at least spinal branch pipeline that is on a parallel with the belt setting, is equipped with a plurality of shower nozzles towards the belt water spray along the axis direction on the spinal branch pipeline.

Through adopting above-mentioned technical scheme, the particle nature impurity in the sewage can block on the filtration pore, and high-pressure water source passes through the trunk line and gets into the high-speed blowout of follow shower nozzle behind the small transfer line, and high-speed rivers can wash the filtration pore to realize the effect of the filtration pore on the limit washing belt, reduce the possibility that the filtration pore large tracts of land blockked up on the belt, improve the filter effect of belt, keep long-time high-efficient operation.

The utility model discloses further set up to: the main pipeline is connected with the clean water tank through a water pipe, and a water pump is arranged on the water pipe.

By adopting the technical scheme, the water sprayed by the spray head is mainly used for cleaning the belt, the requirement on the water is not high, the water in the clean water tank can be directly utilized for treatment, and the water for external connection is reduced.

The utility model discloses further set up to: the branch pipeline is positioned between the upper layer and the lower layer of the belt, and the spray head is arranged towards the water collecting tank.

By adopting the technical scheme, the branch pipeline is arranged at a relatively hidden position, so that the appearance of the whole system is kept attractive and the space is saved. The shower nozzle sets up towards the pond, and the belt on upper strata shifts to the lower floor after filtering, then is washd under the rivers effect, and the belt after the washing moves the upper strata again and filters, and is repeated, and the rivers that wash the belt directly flow to the catch basin and participate in filtering, reduce the waste of water.

The utility model discloses further set up to: and an activated carbon layer and a water filtering membrane are sequentially arranged in the activated carbon tank from top to bottom.

Through adopting above-mentioned technical scheme, the activated carbon layer can adsorb the colloid form or the flocculent impurity that the aquatic contains, and water filtration membrane can filter the iron or manganese salt that the aquatic contains, improves the purifying effect of water.

The utility model discloses further set up to: the grating is provided with a plurality of gratings which are horizontally and uniformly arranged along the height direction of the box body.

Through adopting above-mentioned technical scheme, the water smoke can contact with the titanium dioxide catalyst on grid surface for a longer time when the action of gravity whereabouts to fully carry out UV photodissociation under ultraviolet irradiation, the deodorization is more thorough.

To sum up, the utility model discloses a beneficial technological effect does:

1. by arranging the filtering mechanism and the spray washing mechanism on the water collecting tank, the garbage can be continuously cleaned and filtered for a long time, the possibility that the belt is blocked by the garbage is reduced, and the filtering efficiency is improved;

2. the system is provided with a deodorization mechanism for atomizing sewage containing odor and decomposing odor gas by using a UV photolysis technology to achieve a deodorization effect;

3. by using biodegradation and activated carbon adsorption technology, the sewage treatment is more thorough, and the purification effect is improved.

Drawings

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

FIG. 2 is a schematic view showing the connection between the filter mechanism and the spray device;

FIG. 3 is a schematic view showing the structure of the spray mechanism;

fig. 4 is a sectional view showing the internal structure of the deodorization mechanism taken along the plane a-a in fig. 1.

In the figure, 1, a water collecting tank; 11. a settling zone; 12. a garbage collection area; 2. a filtering mechanism; 21. an electric motor; 22. a driving wheel; 23. a driven wheel; 24. a belt; 3. a spray rinsing mechanism; 31. a main pipeline; 32. branch pipelines; 33. a spray head; 4. a composite biological treatment tank; 5. a deodorizing mechanism; 51. a box body; 52. a sewage spraying head; 53. an ultraviolet lamp; 54. a grid; 6. an active carbon pool; 61. an activated carbon layer; 62. a water filtration membrane; 7. a clean water tank.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the utility model discloses an environmental-friendly domestic sewage treatment system, which comprises a water collecting tank 1, a composite biological treatment tank 4, a deodorization mechanism 5, an activated carbon tank 6 and a clean water tank 7 which are connected in sequence through a water pipe, wherein the activated carbon tank 6 is positioned below a water outlet of the deodorization mechanism 5, and a water pump is arranged on the water pipe; and a filtering mechanism 2 is arranged above the water collecting tank 1. The sewage containing garbage is filtered by the filtering mechanism 2 and then enters the water collecting tank 1, the garbage is transferred to the outside of the water collecting tank 1 by the filtering mechanism 2, the sewage is transferred to the composite biological treatment tank 4 by the water pump for biodegradation, then the sewage is transferred to the deodorization mechanism 5 for removing peculiar smell contained in the water, the deodorized water body is purified by the activated carbon tank 6, and the clear water enters the clear water tank 7 for storage and standby.

Referring to fig. 2, the water collecting tank 1 is a cuboid with an open top and a hollow interior, the cavity inside the water collecting tank 1 is divided into a settling zone 11 and a garbage collecting zone 12 by a partition board, and the area of the settling zone 11 can be more than twice of that of the garbage collecting zone 12, so that a larger volume can be used for settling sewage.

The filtering mechanism 2 comprises a motor 21, a driving wheel 22, a driven wheel 23 and a belt 24, the belt 24 is positioned right above the settling zone 11, a plurality of filtering holes are densely distributed on the belt 24, the width of the belt 24 is adapted to the width of the settling zone 11, and the length of the belt 24 can be 10-20cm greater than that of the settling zone 11; the driving wheel 22 and the driven wheel 23 are respectively positioned at two ends of the belt 24 and horizontally and rotatably supported on two side walls of the water collecting tank 1, the driving wheel 22 and the driven wheel 23 are in belt transmission connection through the belt 24, and one end of the driving wheel 22 is connected with the motor 21. The motor 21 works to drive the driving wheel 22 to rotate, the driving wheel 22 drives the driven wheel 23 to rotate through the belt 24, so that the belt 24 is transmitted from one end of the driving wheel 23 to one end of the driving wheel 22, and the garbage falling on the belt 24 is conveyed to the garbage collecting area 12 for centralized treatment.

Referring to fig. 2 and 3, in order to reduce the influence of the garbage on the decrease of the filtering effect caused by the clogging of the filtering holes on the belt 24, the spraying mechanism 3 is connected to the filtering mechanism 2. The spray washing mechanism 3 comprises a main pipe 31, two branch pipes 32 connected with the main pipe 31 and a plurality of spray heads 33 arranged on the branch pipes 32, wherein the plurality of spray heads 33 are uniformly distributed along the axis of the branch pipes 32. Main pipe 31 level sets up in belt 24 one side, and the transmission direction parallel arrangement of main pipe 31 and belt 24 here, the horizontal perpendicular to main pipe 31 of small transfer line 32, the one end and the main pipe 31 intercommunication of small transfer line 32, the other end of small transfer line 32 stretches into between the upper and lower two-layer of belt 24. The spraying direction of the spray head 33 is set toward the settling zone 11. The main pipe 31 is connected to an external water source through a water pump, and the water source may be a clean water tank 7 for saving water.

After the sewage passes through the belt 24, water falls into the settling zone 11 through the filtering holes on the belt 24, and particulate impurities in the sewage may be stuck on the filtering holes. When the belt 24 on upper strata operates to the lower floor position, high-pressure water source gets into behind the small transfer line 32 through trunk line 31 and from the high-speed blowout of shower nozzle 33, and high-speed rivers can wash the filtration pore to realize the effect of the filtration pore on the limit washing belt 24, reduce the possibility that the filtration pore large tracts of land blockked up on the belt 24, improve belt 24's filter effect, keep long-time high-efficient operation.

Referring to fig. 1 and 4, the complex biological treatment tank 4 may be an anaerobic microorganism treatment tank in which organic matter in sewage is decomposed, metabolized, and digested by anaerobic bacteria in an anaerobic state, so that the content of organic matter in sewage is greatly reduced.

The deodorization mechanism 5 comprises a box body 51, a sewage spray head 52 arranged on the top wall in the box body 51, a plurality of ultraviolet lamps 53 fixed on the inner wall of the box body 51 and a plurality of grills 54 horizontally fixed in the box body 51; the box body 51 can be fixed above the active carbon pool 6 through a support, and the sewage spraying head 52 is communicated with a water pipe; the surface of the grid 54 is uniformly coated with a catalyst layer, which can be a honeycomb-shaped nano titanium dioxide layer, so that the nano titanium dioxide layer and the ultraviolet light emitted by the ultraviolet lamp 53 cooperate to form a UV photolysis structure. The composite biological treatment tank 4 biodegrades organic matters in sewage by using microorganisms to generate gas such as methane, ammonia or hydrogen sulfide under anaerobic conditions, water containing the odor gas is sprayed into water mist by a water pump through a sewage spraying head 52 at the top of a tank body 51, the water mist passes through a grid 54 and generates catalytic reaction with a catalyst through an ultraviolet lamp 53, and volatile organic gas is decomposed into carbon dioxide and water by using a UV photolysis technology to achieve the aim of deodorization.

Referring to fig. 4, an activated carbon layer 61 and a water filtering membrane 62 are fixedly arranged in the activated carbon pool 6 from top to bottom, and the thickness of the activated carbon layer 61 is 30-50 cm; the water filtering membrane 62 may be an MF membrane or an UF membrane, and can remove most of salts in the water body, such as iron salts or manganese salts, to improve the water purification effect.

The working principle of the domestic sewage treatment system for environmental protection is as follows: the sewage with garbage flows down from the upper part of the belt 24, the large garbage is blocked by the belt 24 with filtering holes, the large garbage is conveyed to the garbage collecting area 12 by the conveying belt 24, and the primarily filtered sewage flows into the settling area 11. The spray rinsing mechanism 3 washes the belt in time, and keeps the belt 24 in a good filtering effect for a long time. The water in the water collecting tank 1 is pumped to the composite biological treatment tank 4 through a pipeline, decomposed by microorganisms and pumped to the deodorization mechanism 5 through a water pump, and the atomized water is catalyzed and decomposed into carbon dioxide and water by the ultraviolet light emitted by the ultraviolet lamp 53 and a catalyst through the cooperation of an UV photolysis technology, so that the purpose of removing the odor of the water is achieved. The deodorized water flows into the activated carbon pool 6, and after being fully filtered by the activated carbon pool 6, the odor and the jelly are absorbed more thoroughly, so that clean water is obtained and pumped into the clean water pool 7.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an environmental protection is with domestic sewage treatment system, includes catch basin (1) and clean water basin (7) through water piping connection, its characterized in that: a composite biological treatment tank (4) and an active carbon tank (6) are sequentially connected between the water collecting tank (1) and the clean water tank (7) through water pipes, and water pumps are arranged on the water pipes; the water collecting tank is characterized in that a filtering mechanism (2) is arranged above the water collecting tank (1), the filtering mechanism (2) comprises a horizontally-transmitted belt (24) and a power assembly for driving the belt (24) to rotate, and a plurality of filtering holes are densely distributed in the belt (24).

2. The domestic sewage treatment system for environmental protection according to claim 1, wherein: the power assembly comprises a driving wheel (22) and a driven wheel (23), the driving wheel (22) and the driven wheel (23) are horizontally and rotatably supported above the water collecting tank (1), one end of the driving wheel (22) is connected with a motor (21), and the driving wheel (22), the driven wheel (23) and a belt (24) form belt transmission connection.

3. The domestic sewage treatment system for environmental protection according to claim 1, wherein: be equipped with a deodorization mechanism (5) between compound biological treatment pond (4) and active carbon pond (6), deodorization mechanism (5) are including box (51), spout dirty head (52), ultraviolet lamp (53) and grid (54), spout dirty head (52) with the water pipe intercommunication is installed at box (51) top, pipeline and active carbon pond (6) intercommunication are passed through to box (51) bottom, ultraviolet lamp (53) and grid (54) are fixed in box (51) and are located the lateral wall of spouting dirty head (52) below, grid (54) surface is equipped with nanometer titanium dioxide catalyst layer.

4. The domestic sewage treatment system for environmental protection according to claim 2, wherein: still be equipped with spray rinsing mechanism (3) on filtering mechanism (2), spray rinsing mechanism (3) set up in belt (24) one side and be connected with trunk line (31) at water source including the level, and trunk line (31) are connected with branch pipeline (32) that at least one is on a parallel with belt (24) and sets up, are equipped with a plurality of shower nozzles (33) towards belt (24) water spray along the axis direction on branch pipeline (32).

5. The domestic sewage treatment system for environmental protection according to claim 4, wherein: the main pipeline (31) is connected with the clean water tank (7) through a water pipe, and a water pump is arranged on the water pipe.

6. The domestic sewage treatment system for environmental protection according to claim 4, wherein: the branch pipeline (32) is positioned between the upper layer and the lower layer of the belt (24), and the spray head (33) is arranged towards the water collecting tank (1).

7. The domestic sewage treatment system for environmental protection according to claim 1, wherein: an activated carbon layer (61) and a water filtering membrane (62) are sequentially arranged in the activated carbon pool (6) from top to bottom.

8. The domestic sewage treatment system for environmental protection according to claim 3, wherein: the grating (54) is provided with a plurality of gratings which are horizontally and uniformly arranged along the height direction of the box body (51).