Sludge dewatering reduction equipment
By setting up a liquid storage tank and a liquid extraction pump in the sludge dewatering equipment, adding oxidant and stirring and mixing, the problem of difficulty in pretreatment before dewatering of sludge is solved, and the effect of reducing the sludge moisture content and improving the dewatering efficiency is achieved.
Patent Information
- Application Number
- CN202420690676.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-07
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-04-07
AI Technical Summary
During the sludge dewatering process, it is difficult for existing stacked screw dewatering machines to perform pre-treatment of sludge dewatering, resulting in a high water content of sludge and affecting the dewatering efficiency.
A sludge dehydration reduction equipment is designed, including a liquid storage tank, a liquid extraction pump, a treatment tank and a screw desilt machine. By adding oxidant to the treatment tank and mixing, the water content of the sludge is reduced.
Through pretreatment, the macromolecular substances in the sludge become small molecules that are easily soluble in water or easily separated, reducing the water content after dehydration of the sludge and improving the dehydration efficiency.
Smart Images

Figure CN222647820U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of sludge dehydration, in particular to sludge dehydration and reduction equipment. Background Art
[0002] Sludge dewatering is a sludge treatment method that removes moisture from flowing primary, concentrated or digested sludge and converts it into semi-solid or solid mud blocks. The main dehydration methods include natural drying, mechanical dehydration and granulation.
[0003] At present, when sludge is dehydrated, a screw dewatering machine is usually used for sludge dehydration. However, when the screw dewatering machine dehydrates the sludge, the water content of the sludge is relatively high, and it is difficult to pre-treat the sludge before dehydration, which in turn affects the dehydration efficiency of the sludge. Therefore, we propose a sludge dehydration and reduction equipment to solve the above problems. Utility Model Content
[0004] The purpose of the utility model is to provide a sludge dehydration and reduction device to solve the problems raised in the above background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A sludge dewatering and reduction device comprises a base plate, a treatment tank is fixedly mounted on the upper surface of the base plate, a liquid storage tank is arranged outside the treatment tank, a liquid pump is fixedly mounted on the upper surface of the liquid storage tank, an output end of the liquid pump is fixedly connected with a drainage pipe, an end of the drainage pipe away from the liquid pump passes through the treatment tank and extends to the interior of the treatment tank, a screw desludging machine is arranged on the right side of the base plate, a sludge pump is fixedly mounted on the upper surface of the base plate, an input end of the sludge pump is fixedly connected with a first pipe, a left end of the first pipe passes through the treatment tank and extends to the interior of the treatment tank, an output end of the sludge pump is fixedly connected with a second pipe, an end of the second pipe away from the sludge pump is fixedly connected with a feed end of the screw desludging machine.
[0007] In a further embodiment, the input end of the liquid pump is fixedly connected to a liquid pumping tube, and the bottom end of the liquid pumping tube passes through the liquid storage tank and extends to the interior of the liquid storage tank.
[0008] In a further embodiment, a sealed bearing is fixedly embedded in the bottom surface of the processing tank, a stirring rod is fixedly connected to the inner ring of the sealed bearing, and a plurality of stirring blades are fixedly connected to the outer surface of the stirring rod.
[0009] In a further embodiment, a driving motor is fixedly mounted on the upper surface of the bottom plate, and an output end of the driving motor is fixedly connected to the bottom end of the stirring rod.
[0010] In a further embodiment, a liquid injection port is provided on the upper surface of the liquid storage tank, and a material injection pipe is fixedly connected to the upper surface of the processing tank.
[0011] In a further embodiment, a controller is fixedly mounted on the outer surface of the processing tank, two brackets are fixedly connected to the bottom surface of the screw desludging machine, and a plurality of legs are fixedly connected to the bottom surface of the liquid storage tank.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] This device can store oxidants by setting up a liquid storage tank, and at the same time, by using the cooperation of a suction pump, a suction pipe and a discharge pipe, the extracted oxidants can be discharged into the interior of the treatment tank, which will cause the sludge and the oxidants to be stirred and mixed. By adding the oxidants, the macromolecules in the sludge can be turned into small molecules that are easily soluble in water or easily separated, thereby achieving the effect of pre-treatment of the sludge before dehydration and reducing the water content of the sludge after dehydration. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a three-dimensional structural schematic diagram of the front view of the sludge dewatering and reduction equipment.
[0015] Figure 2 This is a cross-sectional view of the front view of the processing tank in the sludge dewatering and reduction equipment.
[0016] Figure 3 It is a three-dimensional structural schematic diagram of the top view of the treatment tank in the sludge dewatering and reduction equipment.
[0017] Figure 4 This is a cross-sectional view of the top view of the treatment tank in the sludge dewatering and reduction equipment.
[0018] In the figure: 1. bottom plate; 2. treatment tank; 3. drive motor; 4. sealed bearing; 5. stirring rod; 6. stirring blade; 7. liquid storage tank; 8. liquid pump; 9. discharge pipe; 10. liquid pump; 11. sludge pump; 12. first pipe; 13. second pipe; 14. bracket; 15. screw desludging machine; 16. controller; 17. injection pipe; 18. support leg; 19. injection port. DETAILED DESCRIPTION
[0019] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.
[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] See also Figure 1-4In the utility model, a sludge dewatering and reducing device comprises a bottom plate 1, a treatment tank 2 is fixedly mounted on the upper surface of the bottom plate 1, a liquid storage tank 7 is arranged outside the treatment tank 2, a liquid pump 8 is fixedly mounted on the upper surface of the liquid storage tank 7, an output end of the liquid pump 8 is fixedly connected with a drainage pipe 9, an end of the drainage pipe 9 away from the liquid pump 8 passes through the treatment tank 2 and extends to the inside of the treatment tank 2, a screw desludging machine 15 is arranged on the right side of the bottom plate 1, and a sludge pump 11 is fixedly mounted on the upper surface of the bottom plate 1, The input end of the sludge pump 11 is fixedly connected to a first tube 12, the left end of the first tube 12 passes through the treatment tank 2 and extends to the interior of the treatment tank 2, the output end of the sludge pump 11 is fixedly connected to a second tube 13, and the end of the second tube 13 away from the sludge pump 11 is fixedly connected to the feed end of the screw desludging machine 15. Through the cooperation of the sludge pump 11 and the first tube 12 and the second tube 13, the pretreated sludge can be extracted and discharged, which facilitates the screw desludging machine 15 to dehydrate the sludge.
[0023] The input end of the liquid pump 8 is fixedly connected to a liquid suction pipe 10, the bottom end of the liquid suction pipe 10 passes through the liquid storage tank 7 and extends to the inside of the liquid storage tank 7, the bottom surface of the treatment tank 2 is fixedly inlaid with a sealed bearing 4, the inner ring of the sealed bearing 4 is fixedly connected to a stirring rod 5, the outer surface of the stirring rod 5 is fixedly connected to a plurality of stirring blades 6, and a driving motor 3 is fixedly installed on the upper surface of the bottom plate 1, and the output end of the driving motor 3 is fixedly connected to the bottom end of the stirring rod 5. Through the arrangement of the liquid suction pipe 10, it is convenient to extract the oxidant inside the liquid storage tank 7, and the driving motor 3 is used to drive the rotation of the stirring rod 5, and cooperate with the stirring blades 6 to achieve the effect of mixing the sludge and the oxidant, which can make the sludge more evenly decomposed.
[0024] A liquid injection port 19 is provided on the upper surface of the liquid storage tank 7, a material injection pipe 17 is fixedly connected to the upper surface of the treatment tank 2, a controller 16 is fixedly installed on the outer surface of the treatment tank 2, two brackets 14 are fixedly connected to the bottom surface of the screw desludging machine 15, and a plurality of legs 18 are fixedly connected to the bottom surface of the liquid storage tank 7. The oxidant and sludge can be injected respectively through the liquid injection port 19 and the material injection pipe 17, and the bracket 14 can be used to stably support the bottom of the screw desludging machine 15.
[0025] The working principle of the utility model is: first, the oxidant is injected into the interior of the liquid storage tank 7 through the liquid injection port 19, and then the sludge is injected into the interior of the treatment tank 2, and then the liquid pump 8 is operated to extract the oxidant in the liquid storage tank 7, so that the oxidant can be discharged into the interior of the treatment tank 2, and then the drive motor 3 is started to operate, so that the oxidant and the sludge can be stirred and mixed, and the addition of the oxidant can break the chemical bonds of the macromolecular organic matter in the sludge, and become small molecular substances that are easily soluble in water or easy to separate, and then the sludge pump 11 is used to extract the pretreated sludge and discharge it into the interior of the screw desludging machine 15 for re-dehydration treatment.
[0026] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A sludge dehydration and reduction equipment, characterized by: The invention comprises a bottom plate (1), a treatment tank (2) is fixedly mounted on the upper surface of the bottom plate (1), a liquid storage tank (7) is arranged outside the treatment tank (2), a liquid pump (8) is fixedly mounted on the upper surface of the liquid storage tank (7), an output end of the liquid pump (8) is fixedly connected to a liquid discharge pipe (9), an end of the liquid discharge pipe (9) away from the liquid discharge pump (8) passes through the treatment tank (2) and extends to the interior of the treatment tank (2), and a screw desludging device is arranged on the right side of the bottom plate (1). A sludge pump (11) is fixedly installed on the upper surface of the bottom plate (1); the input end of the sludge pump (11) is fixedly connected to a first pipe (12); the left end of the first pipe (12) passes through the treatment tank (2) and extends to the interior of the treatment tank (2); the output end of the sludge pump (11) is fixedly connected to a second pipe (13); the end of the second pipe (13) away from the sludge pump (11) is fixedly connected to the feed end of the screw desludge machine (15).
2. The sludge dewatering and reduction equipment according to claim 1, characterized in that: The input end of the liquid pump (8) is fixedly connected to a liquid pumping tube (10), and the bottom end of the liquid pumping tube (10) passes through the liquid storage tank (7) and extends to the interior of the liquid storage tank (7).
3. The sludge dehydration and reduction equipment according to claim 1, characterized in that: A sealed bearing (4) is fixedly embedded on the bottom surface of the treatment tank (2), a stirring rod (5) is fixedly connected to the inner ring of the sealed bearing (4), and a plurality of stirring blades (6) are fixedly connected to the outer surface of the stirring rod (5).
4. The sludge dewatering and reduction equipment according to claim 1, characterized in that: A driving motor (3) is fixedly mounted on the upper surface of the bottom plate (1), and an output end of the driving motor (3) is fixedly connected to the bottom end of the stirring rod (5).
5. The sludge dewatering and reduction equipment according to claim 1, characterized in that: The upper surface of the liquid storage tank (7) is provided with a liquid injection port (19), and the upper surface of the processing tank (2) is fixedly connected with a material injection pipe (17).
6. The sludge dewatering and reduction equipment according to claim 1, characterized in that: A controller (16) is fixedly mounted on the outer surface of the processing tank (2), two brackets (14) are fixedly connected to the bottom surface of the screw desludging machine (15), and a plurality of legs (18) are fixedly connected to the bottom surface of the liquid storage tank (7).