Rapid biochemical sewage treatment device

Abstract

The utility model discloses a rapid biochemical sewage treatment device which comprises a treatment tank, a water inlet is formed in the top of the circumferential outer wall of the treatment tank, a plurality of connecting plates are arranged on the circumferential inner wall of the water inlet, a purification assembly is arranged at the other ends of the connecting plates, a sealing assembly is arranged at the bottom of the treatment tank, and a sludge storage tank is arranged at the bottom of the sealing assembly. The treatment tank is directly placed at the bottom of the tank body, sewage enters from the water inlet, the aerator is turned on to drive water to flow, a small part of sludge directly precipitates in the sludge storage tank due to the action of gravity, most activated sludge enters the first separation barrel along with the action of water flow, organic matter is subjected to microbial degradation, and the sewage flows into a separation area of the second separation barrel and the fixed barrel; nitrate nitrogen and nitrite nitrogen in nitrification liquid are subjected to denitrification treatment under the action of anaerobic bacteria, sludge precipitation is carried out, nitrogen and phosphorus removal and organic matter removal of sewage are completed, and then the situation that when sludge is discharged, the sewage is discharged along with the sludge, and the treatment efficiency is affected is prevented through a sealing assembly.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field, concretely is a kind of quick biochemical sewage treatment device. BACKGROUND

[0002] Urban sewage composition becomes more complex, contains more organic matter, nitrogen, phosphorus and other pollutants, needs more advanced treatment process to ensure that effluent quality meets the standard.Currently, mainly through improved biological treatment process, increase depth treatment unit, adopt advanced automation control system and other measures, improve sewage treatment efficiency and treatment capacity.

[0003] The existing sewage treatment plant often needs to be expanded when upgrading, increase the treatment process, but often faces site restrictions, land shortage and other problems, the existing sewage treatment plant upgrading process is more complex, needs to increase more equipment, investment cost is larger, the existing sewage treatment plant upgrading construction process is time-consuming, it is difficult to complete technical transformation quickly in short term.

[0004] Although the device has many beneficial effects, but still has the following problems: the device in use, sewage treatment efficiency is not high enough, needs the use of subsequent secondary sedimentation tank, operation is cumbersome, and the treatment capacity is not good enough;Secondly, the device in use, when discharging sludge, sewage is easy to discharge together, use is not convenient enough, needs improvement, in view of this, we propose a kind of quick biochemical sewage treatment device. CONTENT OF THE UTILITY MODEL

[0005] The purpose of this section is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name. Such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] 1. Technical problem to be solved:

[0007] In order to solve the above-mentioned problems of low sewage treatment efficiency, the use of subsequent secondary sedimentation tank, cumbersome operation and poor treatment capacity, and the discharge of sludge, the utility model is proposed.

[0008] Therefore, the purpose of the utility model is to provide a kind of quick biochemical sewage treatment device, to improve the efficiency of sewage treatment, without the use of subsequent secondary sedimentation tank, to facilitate the technical transformation of subsequent secondary sedimentation tank, to improve the treatment capacity, to facilitate the closure, to facilitate the discharge of sludge alone, and to use more conveniently.

[0009] 2. Technical scheme:

[0010] To solve the above technical problems, according to one aspect of the present application, the present application provides the following technical scheme:

[0011] A kind of quick biochemical sewage treatment device, it includes processing jar, the processing jar circumferential outer wall top is equipped with water inlet, the circumferential inner wall of water inlet is equipped with multiple connecting plates, another end of the connecting plate is equipped with purification assembly, the purification assembly includes fixed cylinder, the circumferential inner wall bottom of fixed cylinder is equipped with first spacer, the circumferential inner wall bottom of first spacer is equipped with multiple connecting rods, another end of the connecting rod is equipped with mounting plate, the top of mounting plate is equipped with multiple aerators, the circumferential inner wall bottom of first spacer is equipped with multiple one-way valves, the top of fixed cylinder inner chamber is equipped with second spacer, the circumferential outer wall of fixed cylinder is equipped with multiple water outlets, the bottom of processing jar is equipped with closed assembly, the bottom of closed assembly is equipped with sludge storage tank.

[0012] As a preferred scheme of the quick biochemical sewage treatment device of the present application, wherein, the closed assembly includes fixed sleeve, the inner chamber bottom of fixed sleeve is rotatably connected with multiple rotating shafts, the circumferential outer wall bottom of multiple rotating shafts is equipped with baffle, the circumferential outer wall of multiple rotating shafts is equipped with belt, wherein one rotating shaft bottom is equipped with motor located at the bottom of fixed sleeve, and the motor is electrically connected with external power supply.

[0013] As a preferred scheme of the quick biochemical sewage treatment device of the present application, wherein, the mounting plate and the circumferential inner wall of first spacer keep 20-30 cm or so, and the interval region between first spacer and second spacer is filled with suspended filler.

[0014] As a preferred scheme of the quick biochemical sewage treatment device of the present application, wherein, the other end of water outlet is equipped with water delivery pipe, and the position of water outlet is higher than that of first spacer.

[0015] As a preferred scheme of the quick biochemical sewage treatment device of the present application, wherein, the top of fixed cylinder is provided with multiple exhaust holes, and the circumferential inner wall of multiple exhaust holes is equipped with PTFE film.

[0016] As a preferred scheme of the quick biochemical sewage treatment device of the present application, wherein, the baffle is arranged in annular array, and adjacent baffles are attached to each other.

[0017] As a preferred scheme of the quick biochemical sewage treatment device of the present application, wherein, the circumferential outer wall bottom of sludge storage tank is equipped with sludge discharge pipe, and the circumferential outer wall of sludge discharge pipe is equipped with electromagnetic valve.

[0018] 3. Beneficial effects:

[0019] Compared with the prior art, the present application has the beneficial effects that:

[0020] The quick biochemical sewage treatment device directly puts the treatment tank into the pool body bottom, sewage enters from the water inlet, water flow is driven by opening the aerator, a small part of sludge directly deposits in the sludge storage tank due to gravity, most of the active sludge enters the first partition barrel with water flow, ammonia nitrogen is converted into nitrate nitrogen by using nitrifying bacteria in the active sludge, and the effect of phosphorus absorption under the aerobic condition of the phosphorus-accumulating bacteria in the original sewage treatment plant anaerobic phosphorus release, the phosphorus-accumulating bacteria can absorb phosphorus in the first partition barrel, with the increase of the dissolved oxygen concentration in water, the oxygen mass transfer rate in water is increased, the biological oxidation reaction is accelerated, the organic matter is promoted to be degraded by microorganisms, the sewage continues to flow to the interval between the first partition barrel and the second partition barrel, with the decrease of oxygen in water, part of the nitrite nitrogen is directly reduced into nitrogen gas and overflowed, the one-way valve prevents the sewage from directly entering the interval between the first partition barrel and the second partition barrel, and affects the treatment effect, then the sewage flows into the interval between the second partition barrel and the fixed barrel, the nitrate nitrogen and the nitrite nitrogen in the nitrification liquid are reduced into nitrogen gas under the action of anaerobic bacteria, the denitrification treatment is completed, the coagulant and the flocculating agent are continuously added in the anaerobic zone, sludge is deposited, the sludge flows into the sludge storage tank in the bottom through the one-way valve due to gravity, further removes the phosphorus in the sludge in the sewage, realizes the full reflux treatment of the sludge, and completes the denitrification and phosphorus removal of the sewage and the removal of the organic matter.

[0021] The quick biochemical sewage treatment device drives the rotation shaft to rotate by opening the motor, so that the belt drive drives other multiple rotation shafts to rotate at the same time, and then multiple baffles rotate at the same time to be closed, so that when the sludge is discharged, the sewage is prevented from being discharged together to affect the treatment efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the present application will be described in detail below with reference to the drawings and detailed embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor. Among them:

[0023] Figure 1 It is a whole structure schematic view of the quick biochemical sewage treatment device of the present application;

[0024] Figure 2 It is a purification assembly structure schematic view of the quick biochemical sewage treatment device of the present application;

[0025] Figure 3 It is a purification assembly structure cross-sectional view of the quick biochemical sewage treatment device of the present application;

[0026] Figure 4 It is a mounting plate aerator structure schematic view of the quick biochemical sewage treatment device of the present application;

[0027] Figure 5 It is a closed component structure schematic view of the quick biochemical sewage treatment device.

[0028] The label in the drawing is explained: 1, treatment tank; 2, water inlet; 3, connecting plate; 4, purification component; 5, closed component; 6, sludge storage tank; 7, sludge discharge pipe; 8, electromagnetic valve; 401, fixed cylinder; 402, first separation cylinder; 403, connecting rod; 404, mounting plate; 405, aerator; 406, check valve; 407, second separation cylinder; 408, water outlet; 409, water delivery pipe; 410, exhaust hole; 501, fixed sleeve; 502, rotating shaft; 503, baffle; 504, belt; 505, motor. DETAILED DESCRIPTION

[0029] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiments of the utility model will be described in detail below with reference to the drawings.

[0030] The utility model is described in detail in combination with the schematic view, and in order to facilitate the description, the sectional view of the device structure will be partially enlarged without the general proportion when the embodiments of the utility model are described in detail, and the schematic view is only an example, which should not limit the scope of protection of the utility model herein. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in actual production.

[0031] The orientation or positional relationship indicated in the term is based on the orientation or positional relationship shown in the drawing, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0032] The connection mode in the term should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above-mentioned term in the utility model can be understood according to the specific circumstances.

[0033] The embodiments of the utility model will be described in further detail below in combination with the drawings.

[0034] The utility model provides a kind of overall structure schematic view of the embodiment of quick biochemical sewage treatment device, comprising:

[0035] Please refer to Figures 1-5The quick biochemical sewage treatment device of the embodiment comprises a treatment tank 1, a water inlet 2 is welded on the top of the circumferential outer wall of the treatment tank 1, a plurality of connecting plates 3 are welded on the circumferential inner wall of the water inlet 2, a purification assembly 4 is welded on the other end of the connecting plates 3, the purification assembly 4 comprises a fixed cylinder 401, a first partition cylinder 402 is welded on the bottom of the circumferential inner wall of the fixed cylinder 401, a plurality of connecting rods 403 are welded on the bottom of the circumferential inner wall of the first partition cylinder 402, an installation plate 404 is welded on the other end of the connecting rods 403, a plurality of aerators 405 are fixedly arranged on the top of the installation plate 404, a plurality of one-way valves 406 are fixedly arranged on the bottom of the circumferential inner wall of the first partition cylinder 402, a second partition cylinder 407 is welded on the top of the inner cavity of the fixed cylinder 401, a plurality of water outlets 408 are arranged on the circumferential outer wall of the fixed cylinder 401, a sealing assembly 5 is fixedly arranged on the bottom of the treatment tank 1, a sludge storage tank 6 is fixedly arranged on the bottom of the sealing assembly 5, the treatment tank 1 is directly placed on the bottom of the pool body, sewage enters from the water inlet 2, water flows by turning on the aerators 405, a small amount of sludge directly precipitates in the sludge storage tank 6 due to gravity, most of the active sludge enters the first partition cylinder 402 due to water flow, ammonia nitrogen is converted into nitrate nitrogen by using nitrifying bacteria in the active sludge, phosphorus is absorbed by using the effect of anaerobic phosphorus release in the former section of the original sewage treatment plant and the phosphorus absorption effect of phosphorus-accumulating bacteria under aerobic conditions, the phosphorus-accumulating bacteria can absorb phosphorus in the first partition cylinder 402, the oxygen transfer rate in the water body is increased with the increase of the dissolved oxygen concentration in the water, the biological oxidation reaction is accelerated, the organic matter is degraded by microorganisms, the sewage continues to flow to the interval between the first partition cylinder 402 and the second partition cylinder 407, part of the nitrite nitrogen directly reduces into nitrogen gas and is discharged with the decrease of the oxygen in the water, the one-way valves 406 prevent the sewage from directly entering the interval between the first partition cylinder 402 and the second partition cylinder 407, affecting the treatment effect, then the sewage flows into the interval between the second partition cylinder 407 and the fixed cylinder 401, the nitrate nitrogen and the nitrite nitrogen in the nitrification liquid are reduced into nitrogen gas under the action of anaerobic bacteria, the denitrification treatment is completed, the sludge is precipitated by continuously adding coagulants and flocculants in the anaerobic zone, the sludge flows into the sludge storage tank 6 at the bottom through the one-way valves 406 due to gravity, the phosphorus in the sludge is further removed from the sewage, the full reflux treatment of the sludge is realized, the denitrification and phosphorus removal of the sewage are completed, and the organic matter is removed.

[0036] It is worth noting that, in order to prevent the sewage from being discharged with the sludge and affecting the purification treatment, specifically, the sealing assembly 5 comprises a fixed sleeve 501, a plurality of rotating shafts 502 are rotatably connected to the bottom of the inner cavity of the fixed sleeve 501, a plurality of baffles 503 are fixedly arranged on the bottom of the circumferential outer wall of the rotating shafts 502, a belt 504 is attached to the circumferential outer wall of the rotating shafts 502, one of the rotating shafts 502 is fixedly provided with a motor 505 at the bottom of the fixed sleeve 501, the motor 505 is electrically connected to an external power supply, the rotating shafts 502 are driven to rotate by turning on the motor 505, so that the belt 504 drives the other rotating shafts 502 to rotate at the same time, and then the plurality of baffles 503 are simultaneously closed by rotating, preventing the sewage from being discharged with the sludge and affecting the treatment efficiency.

[0037] Next, in order to prevent sludge jam, specifically, the mounting plate 404 is kept about 20-30 cm from the inner wall of the circumference of the first baffle 402, and the first baffle 402 and the second baffle 407 are filled with suspended fillers in the interval, and the mounting plate 404 is kept at a distance of 20-30 cm to prevent some sludge from being condensed together to cause blockage, and at the same time, some loose sludge groups can be used for backflow, a large amount of suspended fillers increase the attachment area of microorganisms in the activated sludge, and the treatment efficiency is improved.

[0038] At the same time, in order to facilitate the flow of sewage, specifically, the water outlet 408 is welded with a water delivery pipe 409 at the other end, and the position of the water outlet 408 is higher than that of the first baffle 402, which is connected with the external pipeline through the water delivery pipe 409, facilitating the delivery of treated water, and the water outlet 408 is higher than the first baffle 402, which ensures that the sewage can flow along the predetermined route in the baffle structure.

[0039] Further, in order to facilitate the discharge of nitrogen, specifically, a plurality of exhaust holes 410 are formed in the top of the fixed cylinder 401, and PTFE membranes are fixedly arranged on the inner walls of the plurality of exhaust holes 410, which facilitate the discharge of nitrogen, and the PTFE membranes facilitate the air permeability and prevent the sewage from directly entering.

[0040] It is worth noting that, in order to improve the sealing performance, the baffle 503 is arranged in an annular array, and the adjacent baffles 503 are attached to each other, so that the closure is more compact and the sealing performance is improved.

[0041] Finally, in order to facilitate the control of sludge discharge, specifically, the sludge discharge pipe 7 is welded on the bottom of the circumference of the sludge tank 6, and the electromagnetic valve 8 is fixedly arranged on the circumference of the sludge discharge pipe 7, which facilitates the control of the sludge discharge pipe 7.

[0042] In addition, the circuits, electronic components and modules involved in the utility model are prior art, and those skilled in the art can realize them without further description, and the content protected by the utility model does not involve improvement of internal structure and method:

[0043] The device or equipment model involved in this paper can be as follows:

[0044] Motor 505: Y90S-2.

[0045] In combination Figures 1-5 , the specific use process of the rapid biochemical sewage treatment device of the embodiment is as follows:

[0046] 1: When the device needs to be used for rapid biochemical sewage treatment, the treatment tank 1 is directly placed at the bottom of the pool body, sewage enters from the water inlet 2, the aerator 405 is started to drive the water flow, a small part of sludge directly deposits in the sludge storage tank 6 due to gravity, most of the active sludge enters the first cylinder 402 to degrade organic matter by microorganisms with the water flow, the suspended filler is filled in the interval between the first cylinder 402 and the second cylinder 407 to accelerate nitrogen reduction overflow, the coagulant and flocculating agent are continuously added in the interval between the second cylinder 407 and the fixed cylinder 401 to precipitate sludge, and the denitrification and phosphorus removal of sewage and the removal of organic matter are completed;

[0047] 2: The motor 505 is started to rotate the rotating shaft 502 to drive the belt 504 to transmit, so that the other rotating shafts 502 are simultaneously rotated to drive the multiple baffles 503 to simultaneously rotate to be closed, the electromagnetic valve 8 is opened to discharge sludge.

[0048] Although the utility model has been described above with reference to the embodiments, various improvements can be made to it and equivalent parts can be substituted for the parts therein without departing from the scope of the utility model. In particular, as long as there is no structural conflict, each feature in the embodiments disclosed by the utility model can be combined with each other in any way, and the combinations are not exhaustively described in the specification only for the consideration of saving space and resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A rapid biochemical sewage treatment device, characterized in that, The utility model provides a water purification device, including processing jar (1), processing jar (1) top is equipped with water inlet (2) on the circumference outer wall, the circumference inner wall of water inlet (2) is equipped with a plurality of connecting plate (3), another end of connecting plate (3) is equipped with purification subassembly (4), purification subassembly (4) includes fixed cylinder (401), the bottom of the circumference inner wall of fixed cylinder (401) is equipped with first separation cylinder (402), the bottom of the circumference inner wall of first separation cylinder (402) is equipped with a plurality of connecting rod (403), another end of connecting rod (403) is equipped with mounting plate (404), the top of mounting plate (404) is equipped with a plurality of aerator (405), the bottom of the circumference inner wall of first separation cylinder (402) is equipped with a plurality of check valve (406), the top of the inner chamber of fixed cylinder (401) is equipped with second separation cylinder (407), the circumference outer wall of fixed cylinder (401) is equipped with a plurality of water outlet (408), the bottom of processing jar (1) is equipped with closed subassembly (5), the bottom of closed subassembly (5) is equipped with sludge storage tank (6).

2. The rapid biochemical wastewater treatment device according to claim 1, characterized in that, The closed subassembly (5) includes a fixed sleeve (501), a plurality of rotating shafts (502) are rotatably connected to the inner cavity of the fixed sleeve (501), the bottom of the circumference outer wall of each rotating shaft (502) is provided with a baffle (503), the circumference outer wall of each rotating shaft (502) is provided with a belt (504), one of the rotating shafts (502) is provided with a motor (505) at the bottom, and the motor (505) is electrically connected to an external power supply.

3. The rapid biochemical wastewater treatment device according to claim 2, characterized in that, The distance between the mounting plate (404) and the circumference inner wall of the first separation cylinder (402) is about 20-30 cm, and the interval between the first separation cylinder (402) and the second separation cylinder (407) is filled with suspended filler.

4. The rapid biochemical wastewater treatment device according to claim 3, characterized in that, The other end of the water outlet (408) is provided with a water delivery pipe (409), and the position of the water outlet (408) is higher than that of the first separation cylinder (402).

5. The rapid biochemical wastewater treatment device according to claim 4, characterized in that, A plurality of exhaust holes (410) are formed in the top of the fixed cylinder (401), and the circumference inner wall of each exhaust hole (410) is provided with a PTFE film.

6. The rapid biochemical wastewater treatment device according to claim 5, characterized in that The baffles (503) are arranged in an annular array, and adjacent baffles (503) are attached to each other.

7. The rapid biochemical wastewater treatment device according to claim 6, characterized in that The bottom of the circumference outer wall of the sludge storage tank (6) is provided with a sludge discharge pipe (7), and the circumference outer wall of the sludge discharge pipe (7) is provided with a solenoid valve (8).

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