CN210286898U

CN210286898U - Hospital sewage treatment device adopting CASS (cyclic activated sludge System) process

Info

Publication number: CN210286898U
Application number: CN201921260228.9U
Authority: CN
Inventors: 张维志; 章燕; 周瑜
Original assignee: Yunnan Shuipei Technology Co Ltd
Current assignee: Yunnan Shuipei Technology Co Ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-04-10
Anticipated expiration: 2029-08-06

Abstract

The utility model relates to a sewage treatment technical field just discloses an adopt hospital sewage treatment plant of CASS technology, including the CASS reaction tank, the inside fixedly connected with baffle of CASS reaction tank, the left side of CASS reaction tank is provided with the fan room, the inside fixed mounting in fan room has the fan, the air outlet fixedly connected with air duct of fan, the other end of air duct runs through and extends to the inside of CASS reaction tank, the one end fixedly connected with aeration pipe of fan is kept away from to the air duct. The utility model discloses a, avoid the refluence of air, prevent simultaneously that sewage from can getting into the inside of lag, avoid sewage to deposit at the lag, long-pending many causes the aeration hole to block up, improves the smooth and easy of aeration equipment's work operation, reduces mud to aeration equipment's influence, lets among the inside microorganism of CASS reaction tank can receive reasonable good oxygen, oxygen deficiency, the anaerobism periodic variation to improve sewage treatment's efficiency and effect.

Description

Hospital sewage treatment device adopting CASS (cyclic activated sludge System) process

Technical Field

The utility model relates to a sewage treatment technical field specifically is an adopt hospital sewage treatment plant of CASS technology.

Background

The microorganisms can rapidly adsorb most soluble organic matters in the sewage through a rapid enzyme transfer mechanism, and undergo a high-load matrix rapid accumulation process, so that the water quality, water quantity, PH and toxic and harmful substances of inlet water are well buffered, and meanwhile, the growth of filamentous fungi is inhibited, and sludge bulking can be effectively prevented; and subsequently undergoes a lower load of matrix degradation in the primary reaction zone. The CASS process integrates the functions of reaction, precipitation, water drainage and pollution degradation, the degradation of pollutants is a plug flow process in time, and microorganisms are in the periodic change of aerobic, anoxic and anaerobic states, so that the effect of removing pollutants is achieved, and the CASS process also has good functions of nitrogen removal and phosphorus removal.

The working process of the CASS reaction tank can be divided into four stages of aeration, sedimentation, decanting and idling, the cyclic operation is carried out, wherein an aeration device is required to be arranged at the bottom of the reaction tank, so that microorganisms in the reaction tank are in aerobic, anoxic and anaerobic periodic changes, but due to the fact that sludge is generated in the reaction tank and is laid aside for a long time, air outlet holes of the aeration device are blocked, the decomposition steps of the microorganisms are affected, and the efficiency and the effect of sewage treatment are reduced, so that the hospital sewage treatment device adopting the CASS process is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an adopt hospital sewage treatment plant of CASS technology possesses advantages such as prevent that aeration equipment from blockking up, has solved because the inside of reaction tank can produce silt, long-time shelving can lead to, and aeration equipment's venthole appears blockking up, influences the decomposition step of microorganism, reduces sewage treatment's efficiency and the problem of effect.

(II) technical scheme

In order to realize the purpose of preventing the aeration device from being blocked, the utility model provides the following technical proposal: a hospital sewage treatment device adopting a CASS process comprises a CASS reaction tank, wherein two partition plates are fixedly connected inside the CASS reaction tank, a fan room is arranged on the left side of the CASS reaction tank, a fan is fixedly installed inside the fan room, an air outlet of the fan is fixedly connected with an air guide pipe, the other end of the air guide pipe sequentially penetrates through the fan room and the CASS reaction tank and extends into the CASS reaction tank, an aerator pipe is fixedly connected to one end of the air guide pipe, which is far away from the fan, a connecting flange is fixedly connected to the top of the aerator pipe, an air outlet pipe is fixedly connected to the top of the connecting flange, a sealing pipe is integrally formed inside the air outlet pipe, a sealing ball is contacted with the top of the sealing pipe, sealing vanes which are uniformly distributed are fixedly connected inside the sealing pipe, two adjacent sealing vanes are in close contact with each other, and are positioned at the top of the sealing ball, the air outlet pipe is in threaded connection with a protective sleeve, and the protective sleeve is provided with uniformly distributed aeration holes.

Preferably, the air outlet pipe is provided with evenly distributed bolts, and the connecting flange is fixedly connected with the air outlet pipe through the bolts.

Preferably, the air outlet pipe is sleeved with a sealing gasket, and the top of the sealing gasket is in contact with the bottom of the protecting sleeve.

Preferably, the left side and the right side inside the air outlet pipe are fixedly connected with limiting rods, the two limiting rods are located at the tops of the sealing balls, and the distance between the two limiting rods is smaller than the diameter of the sealing balls.

Preferably, the bottom of the CASS reaction tank is fixedly connected with a sewage removal pipe, and a sludge reflux pump is fixedly mounted on the sewage removal pipe.

Preferably, the angle of the aeration holes is inclined downwards from inside to outside.

(III) advantageous effects

Compared with the prior art, the utility model provides an adopt hospital sewage treatment plant of CASS technology possesses following beneficial effect:

1. the hospital sewage treatment device adopting the CASS process can pump the external air rich in oxygen into the aeration pipe through the air guide pipe through the power-on work of the fan inside the fan room, because the air pressure inside the aeration pipe is improved, the pressure inside the air outlet pipe fixedly connected with the connecting flange is inconvenient, the air inside the aeration pipe can push up the sealing ball at the top of the sealing pipe, so that a gap is generated for air to flow, meanwhile, the air can separate the sealing blade at the top and further emerge from the aeration hole on the protective sleeve, when the fan stops working, the air pressure inside the aeration pipe becomes low, the sealing ball does not bear the force and falls downwards, is precisely attached to the top of the sealing pipe, further, the pipe orifice of the sealing pipe is sealed, the sealing blade at the inner side of the air outlet pipe is closed again, the pipe orifice of the sealing pipe is sealed, the backflow of air is avoided, and simultaneously, the sewage is prevented from, the sedimentation of sewage in the protective sleeve is avoided, the accumulation is less, the aeration holes are blocked, the smooth operation of the aeration device is improved, the influence of sludge on the aeration device is reduced, and microorganisms in the CASS reaction tank can be subjected to reasonable aerobic, anoxic and anaerobic periodic changes, so that the efficiency and the effect of sewage treatment are improved.

2. This adopt hospital sewage treatment plant of CASS technology, because the outlet duct passes through bolt and flange fixed connection, when overhauing the change to the aeration shower nozzle, can make things convenient for more to dismantle it, be convenient for to the clearance maintenance of shower nozzle.

3. This hospital sewage treatment plant who adopts CASS technology seals the connecting gap of outlet duct and lag through sealed the pad, prevents that sewage from getting into the inside improvement gas tightness of lag from the gap.

4. This adopt hospital sewage treatment plant of CASS technology through the inside ball sealer of two gag lever posts restriction outlet pipes, prevents that the ball sealer from being blown away thoroughly and the sealed tube breaks away from by the air, leads to the mouth of pipe of unable sealed tube, improves the rationality of structure.

5. This adopt hospital sewage treatment plant of CASS technology, through mud backwash pump and scrubbing pipe, can get rid of the inside too much silt of CASS reaction tank, prevent that silt is too much, and the deposit height is higher than the aeration hole.

6. This hospital sewage treatment plant who adopts CASS technology through the aeration hole of slope, prevents that silt from directly getting into from the aeration hole at the in-process of deposit, can clear up the silt around the aeration hole through the air simultaneously.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the sectional connecting structure of the air outlet pipe and the protecting cover according to the present invention;

FIG. 3 is a schematic view of the structure of the air outlet pipe and the protective cover of the present invention;

fig. 4 is a schematic view of the top view structure of the outlet pipe of the present invention.

In the figure: 1. a CASS reaction tank; 2. a partition plate; 3. a fan house; 4. a fan; 5. an air duct; 6. an aeration pipe; 7. a connecting flange; 8. an air outlet pipe; 9. a sealing tube; 10. a sealing ball; 11. sealing the lobes; 12. a protective sleeve; 13. an aeration hole; 14. a gasket; 15. a limiting rod; 16. a sewage removal pipe; 17. a sludge reflux pump.

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.

Referring to fig. 1-4, a hospital sewage treatment device using CASS process comprises a CASS reaction tank 1, two partition boards 2 are fixedly connected inside the CASS reaction tank 1, then the CASS reaction tank 1 is divided into a biological selection area, a pre-reaction area and a main reaction area by the two partition boards 2, a fan room 3 is arranged on the left side of the CASS reaction tank 1, a fan 4 is fixedly installed inside the fan room 3, the model of the fan is 4-72-8c, an air outlet of the fan 4 is fixedly connected with an air duct 5, the other end of the air duct 5 sequentially penetrates through the fan room 3 and the CASS reaction tank 1 and extends to the inside of the CASS reaction tank 1, the penetrating part of the CASS reaction tank 1 is sealed, an aeration pipe 6 is fixedly connected to one end of the air duct 5 far away from the fan 4, a connecting flange 7 is fixedly connected to the top of the aeration pipe 6, an air outlet pipe 8 is fixedly connected to the top of the connecting, the inside integrated into one piece of outlet duct 8 has sealed tube 9, the top contact of sealed tube 9 has sealed ball 10, the inside fixedly connected with evenly distributed sealed lobe 11 of sealed tube 9, between two adjacent sealed lobe 11 the in close contact, sealed lobe 11 is located the top of sealed ball 10, threaded connection has lag 12 on the outlet duct 8, lag 12 is last to offer evenly distributed aeration hole 13, can pump outside oxygen-rich air to the inside of aeration pipe 6 through air duct 5 through the work of switching on when fan 4 inside fan room 3, because the wind pressure in aeration pipe 6 improves, the pressure in the outlet duct 8 fixedly connected with flange 7 is inconvenient, make the air in aeration pipe 6 can push up sealed ball 10 at the top of sealed tube 9, thereby produce the gap and supply air to flow, the air can part sealed lobe 11 at top simultaneously, and then emerge from aeration hole 13 on lag 12, and when the fan stop work, the inside wind pressure step-down of aeration pipe 6, sealing ball 10 atress drops downwards, laminate with the top precision of sealed tube 9, and then the sealed tube 9 mouth of pipe, and the inboard sealed flap 11 of outlet duct 8 is closed once more, the 8 mouths of pipes of sealed outlet duct, avoid the refluence of air, prevent simultaneously that sewage can get into the inside of lag 12, avoid sewage to deposit at lag 12, amasss and result in many and lead to the fact aeration hole 13 to block up, improve the smooth and easy of aeration equipment's work operation, reduce mud and to aeration equipment's influence, let the inside microorganism of CASS reaction tank 1 can receive reasonable good oxygen, the oxygen deficiency, among the anaerobic cycle change, thereby improve sewage treatment's efficiency and effect.

Further, be provided with evenly distributed's bolt on the outlet duct 8, through bolt fixed connection between flange 7 and the outlet duct 8, because outlet duct 8 passes through bolt and flange 7 fixed connection, when overhauing the change to the aeration shower nozzle, can conveniently dismantle it more, be convenient for maintain the clearance of shower nozzle.

Further, the cover is equipped with sealed 14 on the outlet duct 8, and the top of sealed 14 contacts with the bottom of lag 12, seals the connecting gap of outlet duct 8 and lag 12 through sealed 14, prevents that sewage from getting into the inside improvement gas tightness of lag 12 from the gap.

Further, 8 equal fixedly connected with gag lever post 15 of the inside left and right sides of outlet duct, two gag lever posts 15 all are located the top of sealing ball 10, and interval between two gag lever posts 15 is less than the diameter of sealing ball 10, through two inside sealing ball 10 of gag lever post 15 restriction outlet duct 8, prevents that sealing ball 10 from being blown away thoroughly and separating from with gland 9 by the air, leads to the mouth of pipe of unable sealed gland 9, improves the rationality of structure.

Further, the bottom fixedly connected with of CASS reaction tank 1 removes dirty pipe 16, and fixed mounting has mud backwash pump 17 on removing dirty pipe 16, through mud backwash pump 17 and dirty pipe 16, can get rid of the inside too much silt of CASS reaction tank 1, prevents that silt is too much, and the deposit height is higher than aeration hole 13.

Further, the angle of the aeration holes 13 is inclined downwards from inside to outside, and the inclined aeration holes 13 prevent sludge from directly entering the aeration holes 13 in the deposition process, and simultaneously can clean the sludge around the aeration holes 13 through air.

The working principle is as follows: through when the fan 4 in the fan room 3 is electrified, the air with rich oxygen outside is pumped to the inside of the aeration pipe 6 through the air guide pipe 5, because the air pressure in the aeration pipe 6 is increased, the pressure in the air outlet pipe 8 fixedly connected with the connecting flange 7 is inconvenient, the air in the aeration pipe 6 can push up the sealing ball 10 at the top of the sealing pipe 9, the sealing ball 10 in the air outlet pipe 8 is limited through the two limiting rods 15, the sealing ball 10 is prevented from being blown away by the air and completely separated from the sealing pipe 9, so that a gap is generated for air flowing, meanwhile, the air can separate the sealing blade 11 at the top, and further the sealing blade 11 is blown out from the aeration hole 13 on the protecting sleeve 12, when the fan stops working, the air pressure in the aeration pipe 6 becomes low, the sealing ball 10 is not stressed to fall downwards and is precisely attached to the top of the sealing pipe 9, further the pipe opening of the sealing pipe 9 is sealed, and the sealing blade 11 at the inner side of the, 8 mouths of tubes of sealed outlet duct avoid the refluence of air, prevent simultaneously that sewage can get into the inside of lag 12, avoid sewage to deposit at lag 12, long-pending become many to cause aeration hole 13 to block up, improve aeration equipment's work smooth and easy operation, reduce mud to aeration equipment's influence, let during the inside microorganism of CASS reaction tank 1 can receive reasonable good oxygen, oxygen deficiency, anaerobism periodic variation to improve sewage treatment's efficiency and effect.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an adopt hospital's sewage treatment plant of CASS technology, includes CASS reaction tank (1), its characterized in that: the inside of the CASS reaction tank (1) is fixedly connected with two partition plates (2), the left side of the CASS reaction tank (1) is provided with a fan room (3), the inside of the fan room (3) is fixedly provided with a fan (4), an air outlet of the fan (4) is fixedly connected with an air guide pipe (5), the other end of the air guide pipe (5) sequentially penetrates through the fan room (3) and the CASS reaction tank (1) and extends to the inside of the CASS reaction tank (1), one end, far away from the fan (4), of the air guide pipe (5) is fixedly connected with an aeration pipe (6), the top of the aeration pipe (6) is fixedly connected with a connecting flange (7), the top of the connecting flange (7) is fixedly connected with an air outlet pipe (8), the inside of the air outlet pipe (8) is integrally formed with a sealing pipe (9), and the top of the sealing pipe (9) is contacted with a, the inner part of the sealing pipe (9) is fixedly connected with sealing lobes (11) which are uniformly distributed, two adjacent sealing lobes (11) are in close contact with each other, the sealing lobes (11) are located at the top of a sealing ball (10), the air outlet pipe (8) is connected with a protective sleeve (12) in a threaded manner, and aeration holes (13) which are uniformly distributed are formed in the protective sleeve (12).

2. The hospital sewage treatment plant adopting the CASS process according to claim 1, which is characterized in that: the air outlet pipe (8) is provided with evenly distributed bolts, and the connecting flange (7) is fixedly connected with the air outlet pipe (8) through the bolts.

3. The hospital sewage treatment plant adopting the CASS process according to claim 1, which is characterized in that: the air outlet pipe (8) is sleeved with a sealing gasket (14), and the top of the sealing gasket (14) is in contact with the bottom of the protective sleeve (12).

4. The hospital sewage treatment plant adopting the CASS process according to claim 1, which is characterized in that: the equal fixedly connected with gag lever post (15) of the left and right sides of outlet duct (8) inside, two gag lever post (15) all are located the top of ball sealer (10), two interval between gag lever post (15) is less than the diameter of ball sealer (10).

5. The hospital sewage treatment plant adopting the CASS process according to claim 1, which is characterized in that: the bottom fixedly connected with of CASS reaction tank (1) decontaminates pipe (16), fixed mounting has mud backwash pump (17) on the decontamination pipe (16).

6. The hospital sewage treatment plant adopting the CASS process according to claim 1, which is characterized in that: the angle of the aeration holes (13) is inclined downwards from inside to outside.