Sludge dewatering device for sewage treatment
By installing a screen and a clearing mechanism inside the hopper, and using the cooperation of a cylinder and a connecting rod, hard debris is prevented from entering and clogging, thus solving the problem of debris damage and blockage in the screw press dewatering machine and achieving safe and stable operation of the equipment.
Patent Information
- Application Number
- CN202422949948.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-12-02
AI Technical Summary
When processing sludge, existing screw press dewatering machines are prone to allowing hard debris to enter the machine body, damaging the screw shaft, reducing its service life, and the sludge can easily clog the screen, affecting normal dewatering operations.
A screen and a clearing mechanism are installed inside the hopper. The screen is equipped with a cylinder and a connecting rod. The cylinder drives the connecting rod to rise and fall, which, together with the knocking mechanism, prevents blockage and prevents hard debris from entering, ensuring that the screen is unobstructed.
It effectively prevents hard debris from damaging the screw shaft, prevents sludge blockage, ensures the safety and stability of the dewatering machine, and extends the equipment's lifespan.
Smart Images
Figure CN223705448U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sewage treatment technical field especially sewage treatment's sludge dewatering device. BACKGROUND
[0002] Sludge is the inevitable product after sewage treatment in sewage treatment plant and sewage station, after concentration or digestion, still in liquid flow state, volume is very big, cannot transport and dispose, in order to further reduce moisture content, makes sludge moisture content as low as possible, needs to use spiral press dewaterer to carry out dewatering to sludge, to reduce sludge volume and facilitate transportation.
[0003] At present, when the existing spiral press dewaterer is used, the staff first needs to pour the sludge to be dewatered into the machine body through the hopper, when the sewage treatment facility is set in the open air, then hard impurities such as branches and stones are easily washed into the water inlet of the sewage treatment plant, thereby the content of hard impurities in the sludge is significantly increased, and these impurities entering the dewaterer body will damage the spiral shaft, thereby reducing the service life of the machine body, therefore, we propose a sludge dewatering device for sewage treatment to solve the above problems. SUMMARY
[0004] The utility model discloses a sludge dewatering device for sewage treatment to solve the problems in the prior art.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A sludge dewatering device for sewage treatment, comprising a spiral press dewaterer, a hopper is installed above the spiral press dewaterer, a screen is arranged inside the hopper, a dredging mechanism is arranged inside the screen, the dredging mechanism comprises a pneumatic cylinder, an air slot is formed at the center position of the screen, a pneumatic cylinder is inserted into the air slot, and a first connecting rod is connected to the bottom end of the pneumatic cylinder.
[0007] Preferably, the side edges of the pneumatic cylinder are equidistantly connected to the first connecting rod, and the first connecting rod is provided with a knocking mechanism inside.
[0008] Preferably, the outer wall of the first connecting rod is equidistantly provided with a second connecting rod, and the inner side of the second connecting rod extends into an electric sliding table.
[0009] Preferably, the knocking mechanism comprises a connecting spring, one end of the connecting spring is fixedly connected to the second connecting rod, the other end of the connecting spring is connected to a first impact block, and the bottom end of the screen is equidistantly connected to a second impact block.
[0010] Preferably, the top end of the air cylinder is sleeved with a sleeve rod through bolts, and the side edge of the sleeve rod is connected with a mounting rack, the mounting rack is provided in an L-shaped structure, the side edge of the mounting rack is connected with the inner wall of the hopper through bolts, and the inner wall of the hopper below the screen is connected with a receiving block.
[0011] Preferably, the bottom end of the first impact block is vertically connected with a vertical rod, and the inside of the second connecting rod is provided with a through groove matched with the vertical rod.
[0012] Compared with the prior art, the device has the advantages that:
[0013] 1. The device is provided with a screen, which can screen out large hard impurities in the sludge during use, effectively preventing the hard impurities from colliding and rubbing with the screw shaft inside the screw press dewaterer, and effectively ensuring the safety of the screw press dewaterer during operation.
[0014] 2. The device is provided with an air cylinder and a second connecting rod, which can drive the second connecting rod to rise and fall by starting the air cylinder, so as to dredge the sludge at the bottom of the hopper, effectively preventing the sludge from being blocked during discharging, and cooperating with the knocking mechanism arranged in the second connecting rod, so as to knock the screen to prevent the screen holes from being blocked. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a three-dimensional structure schematic diagram of the sludge dewatering device for sewage treatment of the utility model;
[0016] Figure 2 It is Figure 1 a three-dimensional sectional view schematic diagram of the hopper and screen structure in
[0017] Figure 3 It is Figure 1 a three-dimensional sectional view schematic diagram of the second connecting rod and air cylinder structure in
[0018] Figure 4 It is Figure 1 a three-dimensional sectional view schematic diagram of the electric sliding table and vertical rod structure in
[0019] In the drawing: 1, screw press dewaterer; 2, hopper; 3, screen; 4, air cylinder; 5, first connecting rod; 6, second connecting rod; 7, vertical rod; 8, first impact block; 9, connecting spring; 10, second impact block; 11, electric sliding table; 12, sleeve rod; 13, mounting rack; 14, receiving block. DETAILED DESCRIPTION
[0020] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application.
[0021] With reference to Figures 1-4 The sewage treatment sludge dewatering device comprises a screw press dewatering machine 1, a hopper 2 is installed above the screw press dewatering machine 1, and a screen 3 is arranged in the hopper 2, the dewatering principle of the screw press dewatering machine 1 on sludge is prior art, and is not described in detail here. Through the arrangement of the screen 3, the large hard sundries can be blocked, a dredging mechanism is arranged in the screen 3, the dredging mechanism can effectively prevent the hopper-type hopper 2 from being blocked during use, the dredging mechanism comprises a cylinder 4, a hollow groove is formed at the center position of the screen 3, and the cylinder 4 is inserted into the hollow groove, a first connecting rod 5 is connected to the bottom end of the cylinder 4, and the extension principle of the cylinder 4 is prior art. Through the arrangement of the cylinder 4, the up-down movement of the cylinder 4 can be driven, so that the dredging of the sludge accumulated at the bottom of the hopper 2 can be realized.
[0022] Further, with reference to Figure 3 and Figure 4 It can be known that the side edges of the cylinder 4 are equidistantly connected with the first connecting rods 5, and the first connecting rods 5 are provided with knocking mechanisms in the interiors, the connection of the plurality of groups of first connecting rods 5 can effectively ensure the dredging effect of the bottom of the hopper 2.
[0023] Further, with reference to Figure 3 and Figure 4 It can be known that the outer walls of the first connecting rods 5 are equidistantly provided with second connecting rods 6, the inner sides of the second connecting rods 6 extend into an electric sliding table 11, the electric sliding table 11 is prior art, and contains a motor, a screw rod and a screw sleeve. Through the driving of the motor, the screw rod and the screw sleeve can be threadedly matched. Since the inner sides of the second connecting rods 6 are connected with the screw sleeves, the purpose of the movement of the second connecting rods 6 in the guide rails in the electric sliding table 11 can be realized. Since each group of second connecting rods 6 can move forward and backward, the dredging effect of the hopper 2 can be further ensured.
[0024] Further, with reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Figure 3It can be known that the knocking mechanism comprises a connecting spring 9, one end of the connecting spring 9 is fixedly connected with the second connecting rod 6, the other end of the connecting spring 9 is connected with the first impact block 8, the bottom end of the screen 3 is equidistantly connected with the second impact block 10, when the second connecting rod 6 is driven by the cylinder 4 to rise, the first impact block 8 arranged above the second connecting rod 6 can collide with the second impact block 10 arranged at the bottom end of the screen 3, so that the screen 3 is forced to vibrate, so as to effectively prevent the mesh hole in the screen 3 from being blocked, and the connecting spring 9 connected with the bottom end of the first impact block 8 can prevent the second connecting rod 6 from directly and rigidly colliding with the screen 3, so as to realize the protection operation of the screen 3.
[0025] Further, referring to the sleeve rod 12, the top end of the cylinder 4 is sleeved with the sleeve rod 12 through bolts, the side edge of the sleeve rod 12 is connected with the mounting frame 13, the mounting frame 13 is arranged in an L-shaped structure, the side edge of the mounting frame 13 is connected with the inner wall of the hopper 2 through bolts, the inner wall of the hopper 2 below the screen 3 is connected with the receiving block 14, through the cooperation of the mounting frame 13 and the sleeve rod 12, the screen 3 and the cylinder 4 can be taken out from the inside of the hopper 2 during maintenance, and two groups of receiving blocks 14 can receive the screen 3 installed in the hopper 2, so as to ensure the stability of the screen 3 during use.
[0026] Further, referring to Figure 4 It can be known that the bottom end of the first impact block 8 is vertically connected with the vertical rod 7, the inside of the second connecting rod 6 is provided with the through groove matched with the vertical rod 7, through the cooperation of the vertical rod 7 and the through groove, the vertical guiding operation of the first impact block 8 can be realized, so as to effectively ensure the stable movement of the first impact block 8.
[0027] Working principle: the utility model discloses in use, the staff can first pour the sludge needing processing through the hopper 2 to the inside of screw press dewaterer 1, in the process of sludge discharging, through the screen 3 set up in the hopper 2, namely, the hard sundries in sludge can be blocked, to effectively prevent sundries from damaging the internal parts of screw press dewaterer 1, in addition, when discharging, the cylinder 4 can be started, so as to drive the first connecting rod 5 and the second connecting rod 6 to move up and down constantly, to realize the dredging of sludge, in addition, the electric slide 11 set up in the first connecting rod 5 is cooperated, can make each group electric slide 11 constantly displace from front to back, to realize the dredging effect of sludge, when the cylinder 4 and the second connecting rod 6 move up, the first impact block 8 can collide with the second impact block 10, and the impact force is transmitted to the screen 3, so as to realize the knocking operation of the screen 3, to effectively prevent the screen of the screen 3 from being blocked, so as to effectively guarantee that the sludge normally passes through the screen 3 for subsequent treatment, namely, the normal sludge treatment work can be realized, after completing the dehydration of sludge, the staff can use tools to take out the sundries retained above the screen 3, the above is all the working principle of the utility model.
[0028] In the utility model, the installation mode, the connection mode or the setting mode of all the components mentioned above are common mechanical modes, and the specific structure, model and coefficient index of all the components are self-contained technologies, as long as the beneficial effects can be achieved, implementation can be carried out, so no more elaboration is made.
[0029] The above embodiment is the preferred implementation of the utility model, but the implementation of the utility model is not limited by the above embodiment, any change, modification, replacement, combination, simplification made without departing from the spirit and principle of the utility model should be equivalent replacement, which is included in the protection scope of the utility model.
[0030] In the utility model, under the condition of no contrary statement, the orientation words such as up and down, left and right, front and back, inside and outside and vertical and horizontal contained in the term only represent the orientation of the term in the conventional use state, or the common name understood by the person skilled in the art, and should not be regarded as the limitation of the term, at the same time, the ordinal terms such as "first", "second" and "third" do not represent the specific quantity and order, but are only used for the differentiation of name, and moreover, the term "include", "contain" or any other variant is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.
Claims
1. A sludge dewatering device for wastewater treatment, comprising a screw press dewatering machine (1), characterized in that, The spiral press dewatering machine (1) is equipped with a hopper (2) on top, and the hopper (2) is equipped with a screen (3) inside, and the screen (3) is equipped with a clearing mechanism inside; The unblocking mechanism includes a cylinder (4), and a slot is provided at the center of the screen (3), and a cylinder (4) is inserted inside the slot. The bottom end of the cylinder (4) is connected to a first connecting rod (5).
2. The sludge dewatering device for sewage treatment according to claim 1, characterized in that, The cylinder (4) is equidistantly connected to the side of a first connecting rod (5), and the first connecting rod (5) is provided with a striking mechanism inside.
3. The sludge dewatering device for sewage treatment according to claim 2, characterized in that, The outer wall of the first connecting rod (5) is provided with second connecting rods (6) at equal intervals, and the inner side of the second connecting rods (6) extends into the electric slide (11).
4. The sludge dewatering device for sewage treatment according to claim 2, characterized in that, The striking mechanism includes a connecting spring (9), one end of which is fixedly connected to a second connecting rod (6), the other end of which is connected to a first impact block (8), and the bottom end of the screen (3) is equidistantly connected to a second impact block (10).
5. The sludge dewatering device for sewage treatment according to claim 1, characterized in that, The top of the cylinder (4) is fitted with a sleeve rod (12) by bolts, and the side of the sleeve rod (12) is connected to a mounting bracket (13). The mounting bracket (13) is configured as an L-shaped structure. The side of the mounting bracket (13) is connected to the inner wall of the hopper (2) by bolts. The inner wall of the hopper (2) below the screen (3) is connected to a receiving block (14).
6. The sludge dewatering device for sewage treatment according to claim 4, characterized in that, The bottom end of the first impact block (8) is vertically connected to a vertical rod (7), and the interior of the second connecting rod (6) is provided with a through groove that is compatible with the vertical rod (7).