Water treatment sedimentation tank for hydraulic engineering

Abstract

The water conservancy project water treatment sedimentation tank comprises a sedimentation tank body, the upper portion of one side of the sedimentation tank body is fixedly connected with a water inlet pipe, the lower portion of the side, away from the water inlet pipe, of the sedimentation tank body is provided with a water outlet, the middle of the upper side of the sedimentation tank body is rotationally connected with an outer rotating shaft, and the interior of the outer rotating shaft is rotationally connected with an inner rotating shaft; a plurality of groups of first bevel gears are fixedly connected into the inner rotating shaft, two groups of second bevel gears are in meshed connection with the lower parts of the first bevel gears, the tail parts of the second bevel gears penetrate through the outer rotating shaft and are fixedly connected with stirring blades, and the blade angle during coagulant mixing can be changed according to the property of wastewater.

Description

TECHNICAL FIELD

[0001] The utility model relates to wastewater treatment technical field, concretely is water treatment sedimentation tank for water conservancy project. BACKGROUND

[0002] The working principle of the sedimentation tank is based on the fact that the downward sedimentation speed of suspended impurity particles in the water flow is greater than the upward flow speed of the water flow, or the downward sedimentation time is less than the time for the water flow to flow out of the sedimentation tank, so as to realize separation from the water flow and achieve the purpose of purifying water.

[0003] When the wastewater is precipitated in the sedimentation tank, the first step is to add a coagulant in the wastewater to prevent the aggregation and precipitation of sludge. However, the existing coagulant mixing device cannot change the blade angle of the stirring equipment according to the properties of the wastewater. When the blade angle is too large, although the mixing efficiency can be improved, the increased resistance will also cause an increase in energy consumption. SUMMARY

[0004] The utility model discloses a water treatment sedimentation tank for water conservancy project, to solve the problem raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a water treatment sedimentation tank for water conservancy project, including the sedimentation tank, the upper part of one side of the sedimentation tank is fixedly connected with the water inlet pipe, the lower part of the side away from the water inlet pipe of the sedimentation tank is provided with the water outlet, the upper side of the sedimentation tank is rotatably connected with the outer rotating shaft, the inner rotating shaft is rotatably connected in the outer rotating shaft, the inner rotating shaft is fixedly connected with a plurality of groups of first bevel gears in the inside, the lower part of the first bevel gear is meshedly connected with two groups of second bevel gears, the tail of the second bevel gear penetrates the outer rotating shaft and is fixedly connected with the stirring blade.

[0006] Preferably, the outer side of the upper part of the inner rotating shaft is fixedly connected with two groups of limiting blocks, the outer side of the inner rotating shaft and the limiting block is slidably connected with the lifting cylinder, the lower part of the lifting cylinder is fixedly connected with the gear ring, the upper part of the outer rotating shaft is provided with the gear slot matched with the gear ring.

[0007] Preferably, the inside of the lifting cylinder is threadedly connected with the first mounting screw rod, the upper part of the inner rotating shaft is provided with two groups of fixed holes matched with the first mounting screw rod.

[0008] Preferably, the upper part of one side of the sedimentation tank is fixedly connected with two groups of mounting tables, the inside of the mounting table is slidably connected with the mounting frame, the upper part of the mounting frame is fixedly connected with the motor, the power end of the motor penetrates the mounting frame and is fixedly connected with the stepped rod, the stepped rod and the outer side of the outer rotating shaft are sleeved with the transmission belt.

[0009] Preferably, the outside of one side of the mounting frame is provided with three groups of height holes, the upper part of one side of the mounting table is threadedly connected with the second mounting screw rod matched with the height hole.

[0010] Preferably, the upper part of the sedimentation tank is rotationally connected with a rotating shaft, the upper part of the rotating shaft is fixedly connected with a mounting arm, the other end of the mounting arm is rotationally connected with a pushing rod at the lower part, the pushing rod is close to the inner side of the transmission belt, the mounting arm and the sedimentation tank are fixedly connected with a torsional spring, and the torsional spring is sleeved on the outer side of the rotating shaft.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1、 the utility model discloses a rotating inner rotating shaft, and the first bevel gear drives the second bevel gear to rotate, thereby adjusting the angle of the stirring blade, and the lifting cylinder moves up and down along the inner rotating shaft, and the tooth ring is inserted into the tooth groove, and the rotation of the inner rotating shaft is locked, and the blade angle during the mixing of the coagulant can be changed according to the nature of wastewater.

[0013] 2、 the utility model discloses still through along the mounting table interior up and down movement mounting frame, make the part of different outer diameter of ladder rod cover in transmission belt interior, motor drive ladder rod, torsional spring drive mounting arm rotation, make pushing rod push transmission belt inner side, guarantee transmission belt guarantee tight, transmission belt drive outer rotating shaft rotation, thereby adjust the rotation speed of the outer rotating shaft, and the stirring efficiency during the mixing of the coagulant can be changed according to the nature of wastewater. DRAWINGS

[0014] Figure 1 It is the first perspective three-dimensional structure schematic diagram of the utility model;

[0015] Figure 2 It is the second perspective partial structure enlarged view of the utility model;

[0016] Figure 3 It is the third perspective bevel gear structure section view of the utility model;

[0017] Figure 4 It is the fourth perspective tooth ring structure schematic diagram of the utility model;

[0018] Figure 5 It is the fifth perspective ladder rod structure schematic diagram of the utility model.

[0019] In the drawing: 1, sedimentation tank;2, outer rotating shaft;3, inner rotating shaft;4, first bevel gear;5, second bevel gear;6, stirring blade;7, limiting block;8, lifting cylinder;9, tooth ring;10, tooth groove;11, first mounting screw;12, fixed hole;13, mounting table;14, mounting frame;15, motor;16, ladder rod;17, second mounting screw;18, height hole;19, rotating shaft;20, mounting arm;21, pushing rod;22, torsional spring;23, transmission belt;24, water inlet pipe;25, water outlet. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application.

[0021] Please refer to Figures 1-4 The present application provides a technical solution: a water treatment sedimentation tank for water conservancy projects, which comprises a sedimentation tank 1, a water inlet pipe 24 fixedly welded on one side of the upper part of the sedimentation tank 1, a water outlet 25 formed on the lower part of the side of the sedimentation tank 1 away from the water inlet pipe 24, waste water entering the sedimentation tank 1 along the water inlet pipe 24, mixing with a coagulant in the sedimentation tank 1, and then entering the next step of sedimentation through the water outlet 25, an outer rotating shaft 2 rotatably installed on the upper middle part of the sedimentation tank 1, an inner rotating shaft 3 rotatably installed inside the outer rotating shaft 2, a plurality of groups of first bevel gears 4 fixedly welded inside the inner rotating shaft 3, two groups of second bevel gears 5 meshingly connected to the lower part of the first bevel gears 4, stirring blades 6 fixedly welded at the tail part of the second bevel gears 5 penetrating through the outer rotating shaft 2, and the angle of the stirring blades 6 being adjusted by rotating the inner rotating shaft 3 and the first bevel gears 4 driving the second bevel gears 5 to rotate.

[0022] The outer side of the upper portion of the inner rotating shaft 3 is fixedly welded with two groups of limiting blocks 7, the outer side of the inner rotating shaft 3 and the limiting blocks 7 is slidably installed with a lifting cylinder 8, the lifting cylinder 8 is ensured to rotate with the inner rotating shaft 3, the lower portion of the lifting cylinder 8 is fixedly welded with a gear ring 9, the upper portion of the outer rotating shaft 2 is provided with a gear groove 10 matched with the gear ring 9, the gear ring 9 is inserted into the gear groove 10 by moving the lifting cylinder 8 up and down along the inner rotating shaft 3, the rotation of the inner rotating shaft 3 is locked; the inside of the lifting cylinder 8 is threadedly installed with a first mounting screw 11, the upper portion of the inner rotating shaft 3 is provided with two groups of fixing holes 12 matched with the first mounting screw 11, the first mounting screw 11 is connected with different fixing holes 12, the insertion and disengagement state of the gear ring 9 is locked; the upper portion of the sedimentation tank 1 is fixedly welded with two groups of mounting tables 13 on one side, the inside of the mounting table 13 is slidably installed with a mounting frame 14, the upper portion of the mounting frame 14 is flange-mounted with a motor 15, the power end of the motor 15 penetrates the mounting frame 14 and is connected with a stepped rod 16 through a shaft coupling, the stepped rod 16 and the outer rotating shaft 2 are sleeved with a transmission belt 23, the stepped rod 16 is sleeved in the transmission belt 23 by moving the mounting frame 14 up and down along the inside of the mounting table 13, the motor 15 drives the stepped rod 16, the transmission belt 23 drives the outer rotating shaft 2 to rotate, so that the rotation speed of the outer rotating shaft 2 is adjusted; the outside of one side of the mounting frame 14 is provided with three groups of height holes 18, the upper portion of one side of the mounting table 13 is threadedly installed with a second mounting screw 17 matched with the height holes 18, the second mounting screw 17 is connected in different height holes 18, the position of the stepped rod 16 is fixed; the upper portion of the sedimentation tank 1 is rotatably installed with a rotating shaft 19, the upper portion of the rotating shaft 19 is fixedly welded with a mounting arm 20, the other end of the mounting arm 20 is rotatably installed with a pushing rod 21 at the lower portion, the pushing rod 21 is close to the inner side of the transmission belt 23, the mounting arm 20 and the sedimentation tank 1 are fixedly welded with a torsion spring 22, the torsion spring 22 is sleeved on the outer side of the rotating shaft 19, the torsion spring 22 drives the mounting arm 20 to rotate, the pushing rod 21 pushes the inner side of the transmission belt 23, and the transmission belt 23 is ensured to be tight.

[0023] Working principle: when the utility model is in use, wastewater enters the sedimentation tank 1 along the water inlet pipe 24, is mixed with a coagulant in the sedimentation tank 1, and then enters the next step of sedimentation from the water outlet 25, the inner rotating shaft 3 is rotated, the first bevel gear 4 drives the second bevel gear 5 to rotate, so that the angle of the stirring blade 6 is adjusted, the gear ring 9 is inserted into the gear groove 10 by moving the lifting cylinder 8 up and down along the inner rotating shaft 3, the rotation of the inner rotating shaft 3 is locked, the stepped rod 16 is sleeved in the transmission belt 23 by moving the mounting frame 14 up and down along the inside of the mounting table 13, the motor 15 drives the stepped rod 16, the torsion spring 22 drives the mounting arm 20 to rotate, the pushing rod 21 pushes the inner side of the transmission belt 23, the transmission belt 23 is ensured to be tight, the transmission belt 23 drives the outer rotating shaft 2 to rotate, so that the rotation speed of the outer rotating shaft 2 is adjusted, the second mounting screw 17 is connected in different height holes 18, and the position of the stepped rod 16 is fixed.

[0024] It should be noted that the relational terms herein, such as first and second, and the like, are used solely to distinguish one from another entity or action without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, 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 can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0025] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A water treatment sedimentation basin for hydraulic engineering, comprising a sedimentation basin (1), characterized in that: The water inlet pipe (24) is fixedly connected to one side of the upper part of the sedimentation tank (1), a water outlet (25) is arranged at the lower part of the side away from the water inlet pipe (24) of the sedimentation tank (1), an outer rotating shaft (2) is rotatably connected to the upper middle part of the sedimentation tank (1), an inner rotating shaft (3) is rotatably connected to the inside of the outer rotating shaft (2), a plurality of groups of first bevel gears (4) are fixedly connected to the inside of the inner rotating shaft (3), two groups of second bevel gears (5) are meshedly connected to the lower part of the first bevel gears (4), and stirring blades (6) are fixedly connected to the tail parts of the second bevel gears (5) and penetrate through the outer rotating shaft (2).

2. The water treatment sedimentation tank for hydraulic engineering according to claim 1, characterized in that: Two groups of limiting blocks (7) are fixedly connected to the outside of the upper part of the inner rotating shaft (3), a lifting cylinder (8) is slidably connected to the outside of the inner rotating shaft (3) and the limiting blocks (7), a tooth ring (9) is fixedly connected to the lower part of the lifting cylinder (8), and a tooth groove (10) that matches the tooth ring (9) is arranged on the upper part of the outer rotating shaft (2).

3. The water treatment sedimentation tank for hydraulic engineering according to claim 2, characterized in that: A first mounting screw (11) is threadedly connected to the inside of the lifting cylinder (8), and two groups of fixing holes (12) that match the first mounting screw (11) are arranged on the upper part of the inner rotating shaft (3).

4. The water treatment sedimentation tank for hydraulic engineering according to claim 1, characterized in that: Two groups of mounting tables (13) are fixedly connected to one side of the upper part of the sedimentation tank (1), a mounting frame (14) is slidably connected to the inside of the mounting table (13), a motor (15) is fixedly connected to the upper part of the mounting frame (14), a stepped rod (16) is fixedly connected to the power end of the motor (15) and penetrates through the mounting frame (14), and a transmission belt (23) is sleeved on the outside of the stepped rod (16) and the outer rotating shaft (2).

5. The water treatment sedimentation tank for hydraulic engineering according to claim 4, characterized in that: Three groups of height holes (18) are arranged on one side of the outside of the mounting frame (14), and a second mounting screw (17) that matches the height holes (18) is threadedly connected to the upper part of the mounting table (13) on the same side.

6. The water treatment sedimentation tank for hydraulic engineering according to claim 4, characterized in that: A rotating shaft (19) is rotatably connected to the upper part of the sedimentation tank (1), an installation arm (20) is fixedly connected to the upper part of the rotating shaft (19), a pushing rod (21) is rotatably connected to the lower part of the other end of the installation arm (20), the pushing rod (21) is close to the inside of the transmission belt (23), a torsional spring (22) is fixedly connected between the installation arm (20) and the sedimentation tank (1), and the torsional spring (22) is sleeved on the outside of the rotating shaft (19).

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