CN211394230U

CN211394230U - Organic wastewater treatment device based on microbial technology

Info

Publication number: CN211394230U
Application number: CN202021511788.XU
Authority: CN
Inventors: 彭健; 方素云; 胡晓珂; 闵军
Original assignee: Zhongke Marine Microbial Industry Technology Research Institute Shandong Co ltd; Yantai Institute of Coastal Zone Research of CAS
Current assignee: Zhongke Marine Microbial Industry Technology Research Institute Shandong Co ltd; Yantai Institute of Coastal Zone Research of CAS
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2020-09-01
Anticipated expiration: 2030-07-28

Abstract

The utility model discloses an organic wastewater treatment device based on microbial technology, which comprises a sedimentation tank, wherein a water inlet end of the sedimentation tank is connected with a water inlet pipe in a through manner, a water outlet end of the sedimentation tank is connected with a water inlet end of a flocculation tank in a through manner through a first connecting pipe, a water outlet end of the flocculation tank is connected with a water inlet end of a biological treatment tank in a through manner through a second connecting pipe, a water outlet end of the biological treatment tank is connected with a water inlet end of a filter tank in a through manner through a third connecting pipe, a water outlet end of the filter tank is connected with a water inlet end of a disinfection tank in a through manner through a fourth connecting pipe, and a water outlet; the utility model discloses in the irritability gas that produces respectively through bronchus injection main trachea in sewage treatment in-process sedimentation tank, flocculation basin and the microbiological treatment, then get into the purifying box under the effect of air pump in to purify the gas under the effect of purifying box, thereby furthest's reduction gas is to the pollution of air, furthest's protection workman's personal safety.

Description

Organic wastewater treatment device based on microbial technology

Technical Field

The utility model belongs to the technical field of organic waste water treatment equipment technique and specifically relates to an organic waste water treatment device based on microbial technology.

Background

Sewage is the effluent from life and production that is contaminated to some extent. The water which loses the original use function is called sewage for short. Mainly used water in life, which contains more organic matters and is easy to treat.

Among water pollution caused by human production activities, water pollution caused by industry is the most serious. For example, industrial wastewater contains many pollutants and complex components, and is not only difficult to purify in water, but also difficult to treat. Industrial wastewater is the most important cause of water body pollution caused by industrial pollution. It accounts for a large portion of the pollutants discharged by industry. The pollutants contained in the industrial wastewater vary widely according to different types of plants, and even if the same type of plants have different production processes, the quality and the quantity of the pollutants contained in the industrial wastewater are different. In addition to the pollution caused by the direct injection of the discharged wastewater into the water body, the industry also pollutes the water body by solid waste and waste gas.

In order to solve the problem of pollution discharge, a large-scale sewage treatment plant is usually arranged to perform centralized treatment on sewage. The existing sewage plant treatment equipment adopts an exposed structure design, can generate a large amount of irritant gas, and the irritant gas is usually directly discharged into the air, so that the quality of the air in the sewage plant is poor, the health of workers is endangered, and the atmospheric environment is polluted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an organic waste water treatment device based on microbial technology to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an organic wastewater treatment device based on microbial technology, includes the sedimentation tank, the end through connection inlet tube of intaking of sedimentation tank, install the water pump on the inlet tube, the play water end of sedimentation tank passes through the end of intaking of first connecting pipe through connection flocculation basin, the play water end of flocculation basin passes through the end of intaking of second connecting pipe through connection biological treatment pond, the play water end of biological treatment pond passes through the end of intaking of third connecting pipe through connection filtering ponds, the play water end of filtering ponds passes through the end of intaking of fourth connecting pipe through connection disinfection pond, the play water end through connection outlet pipe of disinfection pond, the top cover of sedimentation tank is equipped with first sealed lid, the top cover of flocculation pond is equipped with the second sealed lid, the top cover of biological treatment pond is equipped with the third sealed lid, one side of sedimentation tank is equipped with main trachea, the air inlet end of main trachea through connection first sealed lid respectively through bronchus through connection, A second sealing cover and a third sealing cover, wherein the air outlet end of the main air pipe is provided with a purifying box and an air pump, the purifying box is arranged on the right side of the air pump, injecting sewage into a sedimentation tank for sedimentation through a water pump matched with a water inlet pipe, allowing the sewage after sedimentation to enter a flocculation tank for flocculation sedimentation, allowing the sewage after flocculation sedimentation to enter a biological treatment tank for microbial treatment, allowing the treated water to enter a filtering tank for filtering, allowing the treated water to enter a disinfection tank for final disinfection treatment, and discharging the treated water through a water outlet pipe, in the treatment process, the irritant gases generated in the sedimentation tank, the flocculation tank and the microorganism treatment are respectively injected into the main air pipe through the bronchus, then enters the purifying box under the action of the air pump, and purifies the air under the action of the purifying box, thereby reducing the pollution of the air by the air to the maximum extent and protecting the personal safety of workers to the maximum extent.

In a further embodiment, the inner cavity of the biological treatment tank is provided with a partition plate, the partition plate divides the inner cavity of the biological treatment tank into an anaerobic biological filter and an aeration biological filter, the anaerobic biological filter is connected to the left side of the aeration biological filter in a penetrating way, the anaerobic biological filter utilizes the hydrolysis, fermentation and acidification effects of anaerobic microorganisms to greatly reduce COD, improve the ratio (B/C) of biological oxygen demand and chemical oxygen demand of sewage, realize denitrification through denitrifying bacteria and further reduce the cost of sewage treatment; meanwhile, water treated by the anaerobic biological filter enters the aeration biological filter for aerobic treatment, so that organic matters are converted into carbon dioxide and water, ammonia nitrogen is converted into nitrate and nitrite, organic matters in sewage can be effectively treated, and the water quality is further improved.

In a further embodiment, the inner cavity of the filter tank is provided with a partition plate which is of an L-shaped structure, the bottom end of the partition plate is uniformly provided with a plurality of water seepage holes, the partition plate divides the inner cavity of the filter tank into a filter cavity and a water outlet cavity, the filter cavity is arranged on the left side of the water outlet cavity, the filter cavity is in through connection with a third connecting pipe, the water outlet cavity is in through connection with a fourth connecting pipe, the inner cavity of the filter cavity is sequentially provided with a first water purification layer, a second water purification layer, a third water purification layer and a support net matched with the water seepage holes from top to bottom, the first water purification layer is a sandstone layer, the second water purification layer is a crushed ore layer, the third water purification layer is a mixed layer of crushed stone and activated carbon particles, the support net is woven by a stainless steel net, water from the third connecting pipe directly enters the filter cavity and sequentially passes through the first water purification layer, the second water purification layer and, filtering layer by layer, wherein the filtered water flows into the water outlet cavity through the water seepage holes and is finally discharged through the fourth connecting pipe; form imitative "soil horizon" filtration system through setting up gravel layer, garrulous ore layer, rubble and active carbon grained layer for the filter tank utilizes imitative "soil horizon" filtration system to carry out layer upon layer filtration to water, can further improve water quality processing quality.

In a further embodiment, the purifying box is a cylindrical structure, the inner cavity of the purifying box is sequentially provided with a first filter layer, a second filter layer, a third filter layer and a fourth filter layer from the air inlet end to the air outlet end, the first filter layer is a desiccant particle layer, the second filter layer is a coarse activated carbon particle layer, the third filter layer is a fine activated carbon particle layer, the fourth filter layer is a biological film layer, sewage discharge gas is filtered layer by layer through the first filter layer, the second filter layer, the third filter layer and the fourth filter layer, toxic substances in the sewage discharge gas can be removed to the maximum extent, the quality of the sewage discharge gas can be effectively improved, and the pollution of the sewage discharge gas to air is reduced to the maximum extent.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model injects the irritant gas generated in the sedimentation tank, the flocculation tank and the microorganism treatment into the main air pipe through the bronchus respectively in the sewage treatment process, then enters the purifying box under the action of the air pump, and purifies the gas under the action of the purifying box, thereby reducing the pollution of the gas to the air to the maximum extent and protecting the personal safety of workers to the maximum extent;

2. the utility model realizes denitrification through denitrifying bacteria, and can also reduce the cost of sewage treatment; meanwhile, the water treated by the anaerobic biological filter enters an aeration biological filter for aerobic treatment, so that organic matters are converted into carbon dioxide and water, ammonia nitrogen is converted into nitrate and nitrite, the organic matters in the sewage can be effectively treated, and the water quality is further improved;

3. in the utility model, water from the third connecting pipe directly enters the filtering cavity and sequentially passes through the first water purifying layer, the second water purifying layer and the third water purifying layer to be filtered layer by layer, and the filtered water flows into the water outlet cavity through the water seepage hole and is finally discharged through the fourth connecting pipe; the filtering pond is provided with the sand stone layer, the crushed ore layer, the broken stone and the activated carbon particle layer to form the imitated soil layer filtering system, so that the filtering pond utilizes the imitated soil layer filtering system to filter water layer by layer, and the water quality treatment quality can be further improved;

4. the utility model discloses a first filter layer, second filter layer, third filter layer and fourth filter layer filter sewage discharge gas layer upon layer, can furthest get rid of the noxious material in the sewage discharge gas, can effectual improvement sewage discharge gas's quality, furthest's reduction sewage discharge gas is to the pollution of air.

Drawings

FIG. 1 is a schematic structural view of an organic wastewater treatment apparatus based on microbial technology;

FIG. 2 is a schematic view showing the construction of a biological treatment tank of an organic wastewater treatment apparatus based on a microbial technology;

FIG. 3 is a schematic structural view of a filtering tank of an organic wastewater treatment device based on microbial technology;

FIG. 4 is a schematic view showing the construction of a purification tank of an organic wastewater treatment apparatus based on a microorganism technology.

In the figure: 1-a sedimentation tank, 2-a flocculation tank, 3-a biological treatment tank, 31-a partition plate, 32-an anaerobic biological filter, 33-an aeration biological filter, 4-a filter tank, 41-a separation plate, 42-a water seepage hole, 43-a filter chamber, 44-a first water purification layer, 45-a second water purification layer, 46-a third water purification layer, 47-a support net, 48-a water outlet chamber, 5-a disinfection tank, 6-a water inlet pipe, 7-a water pump, 8-a first connecting pipe, 9-a second connecting pipe, 10-a third connecting pipe, 11-a fourth connecting pipe, 12-a water outlet pipe, 13-a main air pipe, 14-a purification tank, 141-a first filter layer, 142-a second filter layer, 143-a third filter layer, 144-a fourth filter layer, 15-air pump, 16-bronchus, 17-first sealing cover, 18-second sealing cover, and 19-third sealing cover.

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.

Example 1

Referring to fig. 1-3, an organic wastewater treatment device based on a microbial technology comprises a sedimentation tank 1, wherein a water inlet end of the sedimentation tank 1 is connected with a water inlet pipe 6 in a penetrating manner, a water pump 7 is installed on the water inlet pipe 6, a water outlet end of the sedimentation tank 1 is connected with a water inlet end of a flocculation tank 2 in a penetrating manner through a first connecting pipe 8, a water outlet end of the flocculation tank 2 is connected with a water inlet end of a biological treatment tank 3 in a penetrating manner through a second connecting pipe 9, a water outlet end of the biological treatment tank 3 is connected with a water inlet end of a filtration tank 4 in a penetrating manner through a third connecting pipe 10, a water outlet end of the filtration tank 4 is connected with a water inlet end of a disinfection tank 5 in a penetrating manner through a fourth connecting pipe 11, a water outlet end of the disinfection tank 5 is connected with a water outlet pipe 12 in a penetrating manner, a first sealing cover 17 is sleeved on the top end of the sedimentation tank 1, a second sealing cover, a main air pipe 13 is arranged on one side of the sedimentation tank 1, the air inlet end of the main air pipe 13 is respectively connected with a first sealing cover 17, a second sealing cover 18 and a third sealing cover 19 through a branch air pipe 16, a purification box 14 and an air pump 15 are installed at the air outlet end of the main air pipe 13, the purification box 14 is arranged on the right side of the air pump 15, sewage is injected into the sedimentation tank 1 for sedimentation through a water pump 7 and a water inlet pipe 6, the precipitated sewage enters a flocculation tank 2 for flocculation sedimentation, the flocculated and precipitated sewage enters a biological treatment tank 3 for microbial treatment, the treated water enters a filtration tank 4 for filtration, the treated water enters a disinfection tank 5 for final disinfection treatment, the treated water is discharged through a water outlet pipe 12, and irritant gas generated in the sedimentation tank 1, the flocculation tank 2 and the microbial treatment 3 in the treatment process is respectively injected into the main air pipe 13 through the branch air pipe 16, then enters the purifying box 14 under the action of the air pump 15, and purifies the gas under the action of the purifying box 14, thereby reducing the pollution of the gas to the air to the maximum extent and protecting the personal safety of workers to the maximum extent.

The inner cavity of the biological treatment tank 3 is provided with a partition plate 31, the partition plate 31 divides the inner cavity of the biological treatment tank 3 into an anaerobic biological filter 32 and an aeration biological filter 33, the anaerobic biological filter 32 is connected to the left side of the aeration biological filter 33 in a penetrating way, COD is greatly reduced by the anaerobic biological filter 32 by utilizing the hydrolysis, fermentation and acidification functions of anaerobic microorganisms, the ratio (B/C) of the biological oxygen demand to the chemical oxygen demand of sewage is improved, denitrification is realized by denitrifying bacteria, and the cost of sewage treatment can be reduced; meanwhile, the water treated by the anaerobic biological filter 32 enters the aeration biological filter 33 for aerobic treatment, so that organic matters are converted into carbon dioxide and water, ammonia nitrogen is converted into nitrate and nitrite, the organic matters in the sewage can be effectively treated, and the water quality is further improved.

The inner cavity of the filtering tank 4 is provided with a partition plate 41, the partition plate 41 is of an L-shaped structure, a plurality of water seepage holes 42 are uniformly formed in the bottom end of the partition plate 41, the inner cavity of the filtering tank 4 is divided into a filtering cavity 43 and a water outlet cavity 48 by the partition plate 41, the filtering cavity 43 is arranged on the left side of the water outlet cavity 48, the filtering cavity 43 is in through connection with the third connecting pipe 10, the water outlet cavity 48 is in through connection with the fourth connecting pipe 11, the inner cavity of the filtering cavity 43 is sequentially provided with a first water purification layer 44, a second water purification layer 45, a third water purification layer 46 and a supporting net 47 matched with the water seepage holes 42 from top to bottom, the first water purification layer 44 is a gravel layer, the second water purification layer 45 is a crushed ore layer, the third water purification layer 46 is a mixed layer of crushed stones and activated carbon particles, the supporting net 47 is woven by a stainless steel net, and water from the third connecting pipe, the water sequentially passes through a first water purification layer 44, a second water purification layer 45 and a third water purification layer 46 for layer-by-layer filtration, and the filtered water flows into a water outlet cavity 48 through a water seepage hole 42 and is finally discharged through a fourth connecting pipe 11; form imitative "soil horizon" filtration system through setting up gravel layer, garrulous ore layer, rubble and active carbon grained layer for filter tank 4 utilizes imitative "soil horizon" filtration system to carry out layer upon layer filtration to water, can further improve water quality processing quality.

Example 2

Referring to fig. 4, the difference from example 1 is: the purification box 14 is a cylindrical structure, a first filter layer 141, a second filter layer 142, a third filter layer 143 and a fourth filter layer 144 are sequentially arranged in the inner cavity of the purification box 14 from the air inlet end to the air outlet end, the first filter layer 141 is a desiccant particle layer, the second filter layer 142 is a coarse activated carbon particle layer, the third filter layer 143 is a fine activated carbon particle layer, the fourth filter layer 144 is a biological film layer, the sewage discharge gas is filtered layer by layer through the first filter layer 141, the second filter layer 142, the third filter layer 143 and the fourth filter layer 144, toxic substances in the sewage discharge gas can be removed to the maximum extent, the quality of the sewage discharge gas can be effectively improved, and the pollution of the sewage discharge gas to the air can be reduced to the maximum extent.

Working principle of examples 1-2: injecting sewage into a sedimentation tank 1 for sedimentation through a water pump 7 in cooperation with a water inlet pipe 6, allowing the settled sewage to enter a flocculation tank 2 for flocculation sedimentation, allowing the flocculated and settled sewage to enter a biological treatment tank 3 for microbial treatment, allowing the treated water to enter a filter chamber 43 in a filter tank 4 and sequentially pass through a first water purification layer 44, a second water purification layer 45 and a third water purification layer 46 for layer-by-layer filtration, allowing the filtered water to flow into a water outlet chamber 48 through a water seepage hole 42 and finally to be discharged through a fourth connecting pipe 11, allowing the filtered water to enter a disinfection tank 5 for final disinfection treatment, allowing the treated water to be discharged through a water outlet pipe 12, injecting irritant gas generated in the sedimentation tank 1, the flocculation tank 2 and the microbial treatment 3 into a main gas pipe 13 through a branch gas pipe 16 respectively during treatment, allowing the filtered water to enter a purification tank 14 under the action of an air pump 15, and purifying the gas under the action of the purification tank 14, thereby furthest reducing the pollution of the air by the gas and furthest protecting the personal safety of workers.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The organic wastewater treatment device based on the microbial technology comprises a sedimentation tank (1) and is characterized in that a water inlet end of the sedimentation tank (1) is connected with a water inlet pipe (6) in a through mode, a water pump (7) is installed on the water inlet pipe (6), a water outlet end of the sedimentation tank (1) is connected with a water inlet end of a flocculation tank (2) in a through mode through a first connecting pipe (8), a water outlet end of the flocculation tank (2) is connected with a water inlet end of a biological treatment tank (3) in a through mode through a second connecting pipe (9), a water outlet end of the biological treatment tank (3) is connected with a water inlet end of a filter tank (4) in a through mode through a third connecting pipe (10), a water outlet end of the filter tank (4) is connected with a water inlet end of a disinfection tank (5) in a through mode through a fourth connecting pipe (11), a water outlet end of the disinfection tank (5) is connected with a water outlet pipe (12) in a through mode, the top of the flocculation tank (2) is sleeved with a second sealing cover (18), the top of the biological treatment tank (3) is sleeved with a third sealing cover (19), one side of the sedimentation tank (1) is provided with a main air pipe (13), the air inlet end of the main air pipe (13) is respectively communicated with the first sealing cover (17), the second sealing cover (18) and the third sealing cover (19) through a branch air pipe (16), and the air outlet end of the main air pipe (13) is provided with a purification box (14) and an air pump (15).

2. A device for the treatment of organic waste water based on microbiological techniques according to claim 1 wherein said purification tank (14) is arranged on the right side of the air pump (15).

3. The organic wastewater treatment device based on the microbiological technology as claimed in claim 1, wherein said inner chamber of said biological treatment tank (3) is provided with a partition plate (31), said partition plate (31) dividing the inner chamber of said biological treatment tank (3) into an anaerobic biological filter (32) and an aerated biological filter (33).

4. An organic wastewater treatment apparatus based on microorganism technology according to claim 3, characterized in that the anaerobic biological filter (32) is connected to the left side of the aeration biological filter (33) in a penetrating manner.

5. The organic wastewater treatment device based on the microorganism technology as claimed in claim 1, it is characterized in that the inner cavity of the filtering tank (4) is provided with a partition plate (41), the partition plate (41) is of an L-shaped structure, the bottom end of the partition plate (41) is uniformly provided with a plurality of water seepage holes (42), the partition plate (41) divides the inner cavity of the filtering tank (4) into a filtering cavity (43) and a water outlet cavity (48), the filter cavity (43) is arranged at the left side of the water outlet cavity (48), the filter cavity (43) is communicated with the third connecting pipe (10), the water outlet cavity (48) is communicated with the fourth connecting pipe (11), the inner cavity of the filtering cavity (43) is sequentially provided with a first water purifying layer (44), a second water purifying layer (45), a third water purifying layer (46) and a supporting net (47) matched with the water seepage holes (42) from top to bottom.

6. The organic wastewater treatment device based on the microbiological technology as claimed in claim 5, wherein said first purified water layer (44) is a sand stone layer, said second purified water layer (45) is a crushed ore layer, said third purified water layer (46) is a mixed layer of crushed stone and activated carbon particles, and said support net (47) is woven by stainless steel net.

7. The organic wastewater treatment device based on the microbial technology as claimed in any one of claims 1-6, wherein the purification box (14) is a cylindrical structure, and a first filter layer (141), a second filter layer (142), a third filter layer (143) and a fourth filter layer (144) are sequentially arranged in the inner cavity of the purification box (14) from the air inlet end to the air outlet end.

8. The organic wastewater treatment apparatus based on the microorganism technology as claimed in claim 7, wherein the first filter layer (141) is a desiccant particle layer, the second filter layer (142) is a coarse activated carbon particle layer, the third filter layer (143) is a fine activated carbon particle layer, and the fourth filter layer (144) is a biofilm layer.