CN214693482U

CN214693482U - CAST sewage treatment plant

Info

Publication number: CN214693482U
Application number: CN202023037014.0U
Authority: CN
Inventors: 刘胜宇; 陈小玲
Original assignee: Guizhou Shanchuan Water Treatment Technology Development Co ltd
Current assignee: Guizhou Shanchuan Water Treatment Technology Development Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-11-12
Anticipated expiration: 2030-12-16

Abstract

The utility model discloses a CAST sewage treatment plant, including reaction tank and mount, the mount is installed to reaction tank one side, and the inside fixed mounting of mount has the lead screw to lead screw surface sliding connection has the slider, slider underrun jib fixedly connected with fixed strip, reaction tank side surface runs through and has seted up the through-hole. Has the advantages that: the utility model discloses a mount, lead screw and baffle, the baffle area is the same with the inside projected area of reaction tank, when the supernatant of discharging needs, can start the lead screw and drive the slider and remove to the reaction tank direction, thereby the slider promotes the baffle and seals the mud of deposit in the reaction tank lower part gradually, avoid receiving the disturbance discharge at the in-process mud of drainage, thereby the clarity of supernatant has been improved, be convenient for the later stage to the processing of supernatant, for traditional skimming weir, the baffle can fully avoid the mud disturbance, thereby it receives sludge pollution to have avoided the supernatant, supernatant discharge efficiency is higher.

Description

CAST sewage treatment plant

Technical Field

The utility model relates to a sewage treatment technical field particularly, relates to a CAST sewage treatment plant.

Background

The CAST process is a 'water filling and draining' activated sludge process, waste water is circularly treated according to a certain period, each cycle comprises the following attached sections, namely, aeration/aeration, water filling/sedimentation, water skimming and idling, each section forms a cycle and the cycle is continuously and repeatedly repeated, at the beginning, because of water filling, the water level in a pool begins to rise from a certain-lowest water level, after a certain period of aeration and mixing, the aeration is stopped, so that activated sludge is flocculated and sedimentated in a static environment, after the sedimentation stage is completed, the treated supernatant is discharged by a movable skimming weir, the water level is reduced to the lowest water level set by the pool, and then the whole process is repeated.

In traditional CAST sewage treatment process, need the reaction tank to react, install the skimming weir of aeration equipment and discharge supernatant in the reaction tank, however, at the in-process of skimming weir drainage, can produce the disturbance to the sedimentary mud in bottom unavoidably, thereby contain a small amount of mud in making the discharge supernatant, increase secondary treatment burden, the supernatant discharge efficiency reduces, and simultaneously, traditional aeration equipment installs in the reaction tank bottom surface, in case take place to damage and need maintain behind the evacuation reaction tank clearance mud, comparatively troublesome, influence production, can also further make the improvement.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a CAST sewage treatment plant possesses the advantage of supernatant discharge efficiency height, the maintenance of being convenient for, and then solves the problem among the above-mentioned background art.

(II) technical scheme

For realizing the advantage of above-mentioned supernatant discharge efficiency height, the maintenance of being convenient for, the utility model discloses a specific technical scheme as follows:

a CAST sewage treatment device comprises a reaction tank and a fixing frame, wherein the fixing frame is installed on one side of the reaction tank, a lead screw is fixedly installed in the fixing frame, a sliding block is connected to the surface of the lead screw in a sliding manner, a fixing strip is fixedly connected to the bottom surface of the sliding block through a hanging rod, a through hole is formed in the surface of one side of the reaction tank in a penetrating manner, a rubber barrel is fixedly connected to the inside of the through hole, a baffle is connected to the inside of the rubber barrel in a penetrating manner, end plates are fixedly connected to two sides of the baffle, the end plates are fixedly connected to the fixing strip on one side of the baffle and are in interference sliding connection with the inner wall of the rubber barrel, the area of the baffle is equal to the projection area in the reaction tank, a support is fixedly installed on the top surface of the reaction tank, a screw rod lifter is fixedly installed on the top surface of the support, a screw rod is connected to the inside of the screw rod lifter in a penetrating manner, a gas conveying pipe is installed inside the reaction tank, and gas-supply pipe bottom surface through connection has communicating pipe to the other end through connection of communicating pipe has the aeration pipe, rings have been cup jointed at the gas-supply pipe both ends, and the rings top surface is rotated with the screw rod bottom surface through rotating the connecting piece and is connected, support top surface fixedly connected with air-blower, and air-blower outlet duct through connection has a tuber pipe to go out the tuber pipe and pass through coupling hose and gas-supply pipe through connection.

Further, the length of the screw is larger than the height of the reaction tank, and the height of the support is larger than the height of the screw.

Furthermore, the number of the aeration pipes is multiple, and gaps are formed in the surfaces of the aeration pipes.

Furthermore, a rubber pad is pasted on the inner wall of the end plate, and the thickness of the rubber pad is not less than 1 cm.

Furthermore, the inside hollow structure that is of rotation connecting piece, and rotate the inside rotation of connecting piece and be connected with the rotation plectane, the screw rod runs through rotation connecting piece top surface and rotates plectane top surface central point and put the welding, and rotates connecting piece bottom surface and rings top surface fixed weld.

Furthermore, the length of the lead screw is greater than that of the baffle, and a drain pipe is connected with the surface of one side of the reaction tank in a through manner and is higher than the position of the baffle.

(III) advantageous effects

Compared with the prior art, the utility model provides a CAST sewage treatment plant possesses following beneficial effect:

(1) the utility model discloses a mount, lead screw and baffle, the baffle area is the same with the inside projected area of reaction tank, when the supernatant of discharging needs, can start the lead screw and drive the slider and remove to the reaction tank direction, thereby the slider promotes the baffle and seals the mud of deposit in the reaction tank lower part gradually, avoid receiving the disturbance discharge at the in-process mud of drainage, thereby the clarity of supernatant has been improved, the later stage of being convenient for is to the processing of supernatant, for traditional skimming weir, the baffle can fully avoid the mud disturbance, thereby it receives sludge pollution to have avoided the supernatant, supernatant discharge efficiency is higher.

(2) The utility model discloses a support, the screw rod lift, coupling hose and aeration pipe, when carrying out the aeration, the air-blower produces the air current and enters into the gas-supply pipe through coupling hose, aeration in entering into the aeration pipe through communicating pipe, deposit with higher speed, when the supernatant of discharging when needs, the screw rod lift drives the screw rod and rises, thereby it leaves the reaction tank to drive gas-supply pipe and aeration pipe, the baffle of being convenient for, for traditional aeration equipment, the portable play reaction tank of aeration pipe of this device, the baffle of being convenient for cuts off mud and supernatant, the supernatant of being convenient for discharge, and simultaneously, when the aeration pipe takes place to damage, the staff also can rise the aeration pipe and change, unnecessary evacuation reaction tank, the maintenance is convenient and fast more.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a CAST sewage treatment plant provided by the present invention;

FIG. 2 is a schematic structural view of the rotary connector of the present invention;

fig. 3 is a schematic structural diagram of the baffle of the present invention.

In the figure:

1. a reaction tank; 2. a communicating pipe; 3. a drain pipe; 4. rotating the connecting piece; 5. a gas delivery pipe; 6. a screw; 7. a support; 8. a screw elevator; 9. a connecting hose; 10. an air outlet pipe; 11. a blower; 12. an aeration pipe; 13. a baffle plate; 14. a fixed mount; 15. a lead screw; 16. a slider; 17. a boom; 18. a fixing strip; 19. an end plate; 20. a rubber pad; 21. a through opening; 22. a rubber cylinder; 23. a hoisting ring; 24. the circular plate is rotated.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a CAST sewage treatment plant.

Referring now to the drawings and the detailed description, as shown in fig. 1-3, a CAST sewage treatment device according to an embodiment of the present invention comprises a reaction tank 1 and a fixing frame 14, wherein the fixing frame 14 is installed on one side of the reaction tank 1, the lead screw 15 is fixedly installed inside the fixing frame 14, and the surface of the lead screw 15 is slidably connected with a slider 16, which is a common linear moving structure and not described herein, the bottom surface of the slider 16 is fixedly connected with a fixing strip 18 through a suspension rod 17, a through hole 21 is formed on the surface of one side of the reaction tank 1, the length of the through hole 21 is equal to the width of the side wall of the reaction tank 1, and a rubber cylinder 22 is fixedly connected inside the through hole 21, the rubber cylinder 22 is a rectangular cylinder, and a baffle 13 is slidably connected inside the rubber cylinder 22, end plates 19 are fixedly connected to both sides of the baffle 13, and one side end plate 19 is fixedly connected with the fixing strip 18, and the baffle 13 is connected with the inner wall of the rubber cylinder 22 in an interference sliding manner, water leakage in the moving process of the baffle 13 is avoided, the area of the baffle 13 is equal to the projection area inside the reaction tank 1, sludge at the bottom of the reaction tank 1 can be fully shielded, the top surface of the reaction tank 1 is fixedly provided with the support 7, the top surface of the support 7 is fixedly provided with the screw lifter 8, the screw lifter 8 is internally connected with the screw 6 in a penetrating manner through threads, the reaction tank 1 is internally provided with the gas pipe 5, the bottom surface of the gas pipe 5 is connected with the communicating pipe 2 in a penetrating manner, the other end of the communicating pipe 2 is connected with the aeration pipe 12 in a penetrating manner, the two ends of the gas pipe 5 are sleeved with the hanging rings 23, the top surfaces of the hanging rings 23 are rotatably connected with the bottom surface of the screw 6 through the rotating connecting piece 4, the top surface of the support 7 is fixedly connected with the air blower 11, the air outlet pipe 10 of the air blower 11 is connected with the air outlet pipe 10 in a penetrating manner through the connecting hose 9, the connecting hose 9 does not affect the movement of the aeration pipe 12, when the supernatant needs to be discharged, the lead screw 15 can be started to drive the slide block 16 to move towards the reaction tank 1, so that the slide block 16 pushes the baffle 13 to gradually seal the sludge deposited at the lower part of the reaction tank 1, the sludge is prevented from being disturbed and discharged in the drainage process, the clarity of the supernatant is improved, the later treatment of the supernatant is facilitated, compared with the traditional water skimming weir, the baffle 13 can fully avoid the sludge disturbance, the supernatant is prevented from being polluted by the sludge, the supernatant discharge efficiency is higher, meanwhile, when the aeration is carried out, the air blower 11 generates air flow, the air flow enters the air conveying pipe 5 through the connecting hose 9, the air flow enters the aeration pipe 12 through the communicating pipe 2 for aeration, the sedimentation is accelerated, when the supernatant needs to be discharged, the screw lifter 8 drives the screw 6 to rise, so as to drive the air conveying pipe 5 and the aeration pipe 12 to leave the reaction tank 1, baffle 13 of being convenient for, for traditional aeration equipment, the aeration pipe 12 of this device can move out reaction tank 1, and baffle 13 of being convenient for cuts off mud and supernatant, the supernatant of being convenient for discharge, and simultaneously, when aeration pipe 12 takes place to damage, the staff also can rise aeration pipe 12 and change, needn't empty reaction tank 1, and the maintenance is also convenient and fast more.

In one embodiment, the length of the screw 6 is greater than the height of the reaction tank 1, and the height of the bracket 7 is greater than the height of the screw 6, so that the aeration pipe 12 can be completely moved out of the reaction tank 1.

In one embodiment, the number of the aeration pipes 12 is plural, so as to increase the aeration range, and the surface of the aeration pipe 12 is provided with a gap, which is a common structure of the aeration pipe 12 and will not be described in detail herein.

In one embodiment, a rubber pad 20 is adhered to the inner wall of the end plate 19, and the thickness of the rubber pad 20 is not less than 1cm, when the end plate 19 abuts against the surface wall of the reaction tank 1, the rubber pad 20 is deformed by extrusion, and the gap is further blocked, so that water leakage is further avoided.

In one embodiment, the inside of the rotating connecting piece 4 is a hollow structure, the rotating circular plate 24 is rotatably connected inside the rotating connecting piece 4, the screw 6 penetrates through the top surface of the rotating connecting piece 4 and is welded to the center position of the top surface of the rotating circular plate 24, the bottom surface of the rotating connecting piece 4 is fixedly welded to the top surface of the hanging ring 23, the screw 6 rotates to drive the rotating circular plate 24 to rotate in the rotating connecting piece 4, and the rotating screw 6 is prevented from generating torsional force on the air pipe 5, so that the air pipe 5 can rise more stably.

In one embodiment, the length of the screw 15 is greater than that of the baffle 13, so that the right end plate 19 of the baffle 13 can move to the right end to abut against the inner wall of the right side of the inner wall of the reaction tank 1, and the water discharge pipe 3 is connected through the position, higher than the baffle 13, of the surface of one side of the reaction tank 1 for discharging the supernatant.

The working principle is as follows:

when the supernatant needs to be discharged, the screw 15 can be started to drive the slide block 16 to move towards the reaction tank 1, so that the slide block 16 pushes the baffle 13 to gradually seal the sludge deposited at the lower part of the reaction tank 1, the sludge is prevented from being disturbed and discharged in the process of water discharge, the clarity of the supernatant is improved, the later treatment of the supernatant is facilitated, compared with the traditional water skimming weir, the baffle 13 can fully avoid the sludge disturbance, the supernatant is prevented from being polluted by the sludge, the discharge efficiency of the supernatant is higher, meanwhile, during the aeration, the air blower 11 generates air flow, the air flow enters the air conveying pipe 5 through the connecting hose 9, the air flow enters the aeration pipe 12 through the communicating pipe 2 to aerate and accelerate the precipitation, when the supernatant needs to be discharged, the screw lifter 8 drives the screw 6 to ascend, the air conveying pipe 5 and the aeration pipe 12 are driven to leave the reaction tank 1, and the baffle 13 is facilitated, for traditional aeration equipment, the aeration pipe 12 of this device can move out of reaction tank 1, and the baffle 13 of being convenient for cuts off mud and supernatant, the supernatant of being convenient for discharge, simultaneously, when aeration pipe 12 takes place to damage, the staff also can rise aeration pipe 12 and change, needn't empty reaction tank 1, maintenance also convenient and fast more.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The CAST sewage treatment device is characterized by comprising a reaction tank (1) and a fixing frame (14), wherein the fixing frame (14) is installed on one side of the reaction tank (1), a lead screw (15) is fixedly installed inside the fixing frame (14), a sliding block (16) is connected to the surface of the lead screw (15) in a sliding mode, a fixing strip (18) is fixedly connected to the bottom surface of the sliding block (16) through a hanging rod (17), a through hole (21) is formed in the surface of one side of the reaction tank (1) in a penetrating mode, a rubber cylinder (22) is fixedly connected to the inside of the through hole (21), a baffle plate (13) is connected to the inside of the rubber cylinder (22) in a penetrating and sliding mode, end plates (19) are fixedly connected to the two sides of the baffle plate (13), the end plates (19) are fixedly connected to the fixing strip (18) on one side of the baffle plate (13), the baffle plate (13) is connected with the inner wall of the rubber cylinder (22) in an interference sliding mode, and the area of the baffle plate (13) is equal to the projection area inside of the reaction tank (1), reaction tank (1) top surface fixed mounting has support (7), and support (7) top surface fixed mounting has screw rod lift (8) to screw rod lift (8) inside run through threaded connection has screw rod (6), reaction tank (1) internally mounted has gas-supply pipe (5), and gas-supply pipe (5) bottom surface through connection has communicating pipe (2) to communicating pipe (2) other end through connection has aeration pipe (12), rings (23) have been cup jointed at gas-supply pipe (5) both ends, and rings (23) top surface is connected through rotating connecting piece (4) and screw rod (6) bottom surface rotation, support (7) top surface fixed connection has air-blower (11), and air-blower (11) outlet duct through connection has out tuber pipe (10) to go out tuber pipe (10) through connection hose (9) and gas-supply pipe (5).

2. The CAST wastewater treatment plant according to claim 1, wherein the length of the screw (6) is greater than the height of the reaction tank (1), and the height of the bracket (7) is greater than the height of the screw (6).

3. The CAST sewage treatment plant according to claim 1, wherein a plurality of aeration pipes (12) are arranged, and gaps are opened on the surface of the aeration pipes (12).

4. The CAST sewage treatment plant according to claim 1, wherein a rubber pad (20) is adhered to the inner wall of the end plate (19), and the thickness of the rubber pad (20) is not less than 1 cm.

5. The CAST sewage treatment device according to claim 1, wherein the inside of the rotating connecting piece (4) is of a hollow structure, a rotating circular plate (24) is rotatably connected to the inside of the rotating connecting piece (4), the screw (6) penetrates through the top surface of the rotating connecting piece (4) and is welded to the center of the top surface of the rotating circular plate (24), and the bottom surface of the rotating connecting piece (4) is fixedly welded to the top surface of the hanging ring (23).

6. The CAST sewage treatment plant according to claim 1, wherein the length of the screw (15) is greater than that of the baffle (13), and a drain pipe (3) is connected through the position of the side surface of the reaction tank (1) higher than the baffle (13).