Sludge extraction device for sewage sedimentation tank

Abstract

The utility model discloses a sludge extraction device for a sewage sedimentation tank, which comprises an extraction cover box and a stepping moving mechanism arranged above the extraction cover box, and a closed push type bidirectional extraction mechanism is arranged in the extraction cover box. According to the sludge extraction device, the extraction cover box is simply sealed through the sealing baffle, then sludge is pushed to the sludge pump through movement of the reciprocating push plate, the sludge is rapidly pumped out, the problem of sludge diffusion in the sludge extraction process is effectively solved, the sludge can be intensively extracted, and the sludge extraction efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of sewage treatment related equipment, in particular to a sludge extraction device for a sewage sedimentation tank. Background Art

[0002] Sewage treatment is the process of purifying sewage to meet the water quality requirements for discharge into a water body or reuse. Sewage treatment is widely used in various fields such as construction, agriculture, transportation, energy, petrochemicals, environmental protection, urban landscape, medical care, and catering. It is also increasingly entering the daily lives of ordinary people. In the sewage treatment process, sedimentation tanks are often used to precipitate impurities in sewage, so sludge treatment equipment is needed to collect and treat sludge.

[0003] Most of the existing sludge treatment methods use push plates or scrapers to collect the sludge and then extract it. Although this method can quickly extract the sludge from the sedimentation tank, the push plates or scrapers will cause a large amount of sludge to spread when collecting the sludge in a centralized manner, resulting in extremely low sludge treatment efficiency. Utility Model Content

[0004] To solve the problems raised in the above background technology, the utility model provides a sewage sedimentation tank sludge extraction device, which can solve the problem in the prior art that sludge in the centralized collection and extraction process causes sludge to spread again and affect the sludge treatment efficiency through a closed push-type two-way extraction mechanism.

[0005] The technical solution of the utility model to achieve the above-mentioned purpose is a sludge extraction device for a sewage sedimentation tank, comprising an extraction cover box and a stepping moving mechanism installed above the extraction cover box, wherein a closed push-type bidirectional extraction mechanism is provided in the extraction cover box;

[0006] The closed push-type bidirectional extraction mechanism includes a sludge pump, an extraction pipe, an outer sealing box, an electric push rod, a connecting plate, a closed baffle and a reciprocating sludge pushing mechanism. The sludge pump is installed above the center of the extraction cover box, the extraction end of the sludge pump is located in the extraction cover box, the pump-out end of the sludge pump is located above the extraction cover box, the extraction pipe is installed at the pump-out end of the sludge pump, the outer sealing box is installed at the center above the extraction cover box, the electric push rod is installed at the four corners of the center position of the extraction cover box, the electric push rod and the sludge pump are located in the outer sealing box, the connecting plate is installed at the telescopic end of the electric push rod, the closed baffle is located on both sides of the extraction cover box, the connecting plate is fixedly connected to the lower end of the side surface of the closed baffle, and the lower end of the outer surface of the closed baffle is a conical surface.

[0007] As a preferred embodiment of the utility model, a sludge extraction device for a sewage sedimentation tank, the reciprocating sludge pushing mechanism includes a screw box, a reciprocating screw, a synchronous box, a synchronous wheel, a synchronous belt, a reciprocating push plate, a screw slider, and a stepper motor; the screw box is installed on both sides of the center above the extraction cover box, the reciprocating screw is installed in the screw box through a screw bearing, the synchronous box is installed between the two screw boxes, the synchronous wheel is installed on the reciprocating screw, the synchronous belt is sleeved on two synchronous wheels, and is located in the synchronous box, the synchronous box is located on one side of the sludge pump, the reciprocating push plate is located at both ends inside the extraction cover box, the screw slider is installed above the reciprocating push plate, the screw slider is located in the screw box and sleeved on the reciprocating screw, and is threadedly connected to the reciprocating screw, and the stepper motor is installed on one of the screw boxes and is connected to the reciprocating screw inside it through a bevel gear set.

[0008] As a preferred embodiment of the sludge extraction device for a sewage sedimentation tank of the utility model, the reciprocating threads on both sides of the center of the reciprocating screw are symmetrically distributed.

[0009] As a preferred embodiment of the sludge extraction device for a sewage sedimentation tank of the utility model, connecting plate openings are opened at the four corners of the reciprocating push plate, and the connecting plate openings correspond to the positions of the connecting plates.

[0010] As a preferred embodiment of the utility model of a sludge extraction device for a sewage sedimentation tank, the stepping moving mechanism includes a sliding rod, a sliding frame, a sliding roller, a gear rail, and a moving stepping motor; the sliding frame is installed above both ends of the screw box, the sliding roller is installed in the sliding frame, the sliding rod is located below the sliding roller and is fixedly connected to the sludge tank, the sliding rod is slidably connected to the sliding roller, the gear rail is installed on the lower surface of the sliding rod, the moving stepping motor is installed at one end above the extraction cover box, and the moving stepping motor and the gear rail are connected by gears.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The extraction hood box is simply sealed by a closed baffle, and then the sludge is pushed to the sludge pump by the movement of the reciprocating push plate, so that the sludge can be pumped out quickly, which effectively reduces the problem of sludge diffusion during the sludge extraction process, enables the sludge to be extracted in a concentrated manner, and improves the sludge extraction efficiency.

[0013] 2. Through the liftable closed baffles set on both sides, the device can pump out sludge in both directions, and then use the step-by-step reciprocating movement of the device in the sedimentation tank to gradually extract the sludge in the sedimentation tank, effectively shortening the sludge extraction time in the sedimentation tank and improving the sludge extraction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1It is a structural schematic diagram of a sludge extraction device for a sewage sedimentation tank described in the utility model;

[0015] Figure 2 The utility model Figure 1 The main cross-section of

[0016] Figure 3 It is a schematic diagram of the reciprocating push plate of the utility model;

[0017] In the figure:

[0018] 1. Remove the cover box.

[0019] 2. Stepping moving mechanism; 21. Sliding rod; 22. Sliding frame; 23. Sliding roller; 24. Rack rail; 25. Moving stepping motor.

[0020] 3. Sealed push-type two-way extraction mechanism; 31. Sludge pump; 32. Extraction pipe; 33. Outer sealing box; 34. Electric push rod; 35. Connecting plate; 36. Sealed baffle; 37. Reciprocating sludge pushing mechanism; 371. Screw box; 372. Reciprocating screw; 373. Synchronous box; 374. Synchronous wheel; 375. Synchronous belt; 376. Reciprocating push plate; 3761. Connecting plate opening; 377. Screw slider; 378. Stepper motor. DETAILED DESCRIPTION

[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] like Figure 1 As shown;

[0023] A sludge extraction device for a sewage sedimentation tank comprises an extraction cover box 1 and a stepping moving mechanism 2 installed above the extraction cover box. A closed push-type bidirectional extraction mechanism 3 is arranged in the extraction cover box.

[0024] In this embodiment, under normal circumstances, most of the existing sludge treatment methods use push plates or scrapers to collect the sludge and then extract it. Although this method can quickly extract the sludge from the sedimentation tank, the push plates or scrapers will cause a large amount of sludge to spread when collecting the sludge in a centralized manner, resulting in extremely low sludge treatment efficiency. In addition, through the closed push-type two-way extraction mechanism 3, the sludge can be separated from the sewage in the sedimentation tank as much as possible during the extraction process, reducing the diffusion of sludge during collection, thereby improving the sludge extraction efficiency.

[0025] like Figure 1-Figure 3 As shown;

[0026] Based on the existing technology, the closed push-type two-way extraction mechanism 3 can solve the problem of low sludge extraction effect caused by sludge diffusion caused by sludge collection by a push plate or a scraper during the sludge extraction process.

[0027] More specifically:

[0028] In combination with the above content, in order to ensure that the sludge will not diffuse into the sewage due to the movement of the push plate or the scraper during the sludge extraction process, a closed push-type two-way extraction mechanism 3 is provided in the extraction cover box, and the closed push-type two-way extraction mechanism includes a sludge pump 31, an extraction pipe 32, an outer sealing box 33, an electric push rod 34, a connecting plate 35, a closed baffle 36 and a reciprocating sludge pushing mechanism 37. The sludge pump is installed above the center of the extraction cover box, the extraction end of the sludge pump is located in the extraction cover box, the pumping end of the sludge pump is located above the extraction cover box, the extraction pipe is installed at the pumping end of the sludge pump, the outer sealing box is installed at the center above the extraction cover box, the electric push rod is installed at the four corners of the center position of the extraction cover box, the electric push rod and the sludge pump are located in the outer sealing box, the connecting plate is installed at the telescopic end of the electric push rod, the closed baffle is located on both sides of the extraction cover box, the connecting plate is fixedly connected to the lower end of the side surface of the closed baffle, and the lower end of the outer surface of the closed baffle is a conical surface.

[0029] In this embodiment, in order to facilitate the rapid collection of sludge and pumping it out through the sludge pump 31, a reciprocating sludge pushing mechanism 37 is used to quickly push the sludge so that the sludge can be accumulated at the sludge pump 31, thereby quickly pumping the sludge out of the sedimentation tank to improve the sludge extraction efficiency. Through the cooperation of the sealing baffle 36 and the extraction cover box 1, the sludge can be isolated from the sewage in the sedimentation tank during the pushing and pumping process, thereby reducing the diffusion range of the sludge during pushing, so that the sludge will not diffuse into the sedimentation tank in large quantities, so that the sludge can be concentratedly extracted, and the sludge extraction efficiency is improved. Through the use of the outer sealing box 33, it can be To prevent sludge from accumulating at the stepper motor 378 and the sludge pump 31, since the shapes of the locations where the sludge is located are relatively complex, it is extremely inconvenient to clean the sludge after it has settled therein. The outer sealing box 33 can be used to seal it. On the one hand, the internal equipment can be separated from the sewage to ensure the safe use of the electrical components. On the other hand, it can prevent the sludge from settling and being difficult to clean. The setting of the closed baffle 36, on the one hand, can utilize the simultaneous opening of the two closed baffles 36 so that the movement of the device will not have a significant impact on the settled sludge, thereby preventing the diffusion of the sludge. On the other hand, it can enable the device to extract sludge in both directions, thereby improving work efficiency.

[0030] To be more specific: the reciprocating sludge pushing mechanism includes a screw box 371, a reciprocating screw 372, a synchronous box 373, a synchronous wheel 374, a synchronous belt 375, a reciprocating push plate 376, a screw slider 377, and a stepper motor 378; the screw box is installed on both sides of the center above the extraction cover box, the reciprocating screw is installed in the screw box through a screw bearing, the synchronous box is installed between the two screw boxes, the synchronous wheel is installed on the reciprocating screw, the synchronous belt is sleeved on the two synchronous wheels, and it is located in the synchronous box, the synchronous box is located on one side of the sludge pump, the reciprocating push plate is located at both ends inside the extraction cover box, the screw slider is installed above the reciprocating push plate, the screw slider is located in the screw box and sleeved on the reciprocating screw, and is threadedly connected to the reciprocating screw, the stepper motor is installed on one of the screw boxes, and is connected to the reciprocating screw inside it through a bevel gear set.

[0031] In this embodiment, through the transmission of the synchronous belt 375 inside the synchronous box 373, the reciprocating screws 372 in the two screw boxes 371 can rotate synchronously, thereby ensuring the stable movement of the reciprocating push plate 376. At the same time, it can also ensure the stability of the reciprocating push plate 376 when pushing the sludge, and avoid the reciprocating push plate 376 from shaking. The use of the stepper motor 378 allows the reciprocating push plate 376 to move from both ends of the extraction cover box 1 to its center when the stepper motor 378 works for one cycle, thereby completing the sludge extraction work and enabling the reciprocating push plate 376 to be reset, thereby facilitating the use of the staff and simplifying the operation.

[0032] It should be noted that the reciprocating threads on both sides of the center of the reciprocating screw are symmetrically distributed so that when the reciprocating screw 372 rotates, the reciprocating screw 372 can drive the two reciprocating push plates 376 to move synchronously toward the center of the extraction cover box 1, or synchronously away from the center of the extraction cover box 1.

[0033] It should be noted that: connecting plate openings 3761 are opened at the four corners of the reciprocating push plate, and the connecting plate openings correspond to the positions of the connecting plates; the setting of the connecting plate openings 3761 can prevent the connecting plate 35 from affecting the movement of the reciprocating push plate 376, thereby ensuring the smooth movement of the device.

[0034] It should be understood that the stepping moving mechanism includes a sliding rod 21, a sliding frame 22, a sliding roller 23, a gear rail 24, and a moving stepping motor 25. The sliding frame is installed above both ends of the screw box, the sliding roller is installed in the sliding frame, the sliding rod is located below the sliding roller and is fixedly connected to the sludge pool, the sliding rod is slidably connected to the sliding roller, the gear rail is installed on the lower surface of the sliding rod, the moving stepping motor is installed at one end above the extraction cover box, and the moving stepping motor and the gear rail are connected by gears.

[0035] In this embodiment, the cooperation of the sliding rod 21 and the sliding roller 23 can enable the extraction cover box 1 to move in the sedimentation tank, and the setting of the moving stepper motor 25 and the rack rail 24 can enable the extraction cover box 1 to move periodically at a fixed distance, which is convenient for the staff to use.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sludge extraction device for a sewage sedimentation tank, comprising an extraction cover box (1) and a stepping moving mechanism (2) installed above the extraction cover box, characterized in that: A closed push-type bidirectional extraction mechanism (3) is provided in the extraction cover box; The sealed push-type bidirectional extraction mechanism comprises a sludge pump (31), an extraction pipe (32), an outer sealing box (33), an electric push rod (34), a connecting plate (35), a sealed baffle (36) and a reciprocating sludge pushing mechanism (37), wherein the sludge pump is installed above the center of the extraction cover box, the extraction end of the sludge pump is located in the extraction cover box, the pump-out end of the sludge pump is located above the extraction cover box, the extraction pipe is installed at the pump-out end of the sludge pump, the outer sealing box is installed at the center above the extraction cover box, the electric push rod is installed at the four corners of the center position of the extraction cover box, the electric push rod and the sludge pump are located in the outer sealing box, the connecting plate is installed at the telescopic end of the electric push rod, the sealed baffle is located on both sides of the extraction cover box, the connecting plate is fixedly connected to the lower end of the side surface of the sealed baffle, and the lower end of the outer surface of the sealed baffle is a conical surface.

2. A sewage sedimentation tank sludge extraction device according to claim 1, characterized in that: The reciprocating sludge pushing mechanism comprises a screw box (371), a reciprocating screw (372), a synchronous box (373), a synchronous wheel (374), a synchronous belt (375), a reciprocating push plate (376), a screw slider (377), and a stepper motor (378); the screw box is installed on both sides of the center above the extraction cover box, the reciprocating screw is installed in the screw box through a screw bearing, the synchronous box is installed between the two screw boxes, the synchronous wheel is installed on the reciprocating screw, the synchronous belt is sleeved on the two synchronous wheels and is located in the synchronous box, the synchronous box is located on one side of the sludge pump, the reciprocating push plate is located at both ends inside the extraction cover box, the screw slider is installed above the reciprocating push plate, the screw slider is located in the screw box and sleeved on the reciprocating screw, and is threadedly connected to the reciprocating screw, and the stepper motor is installed on one of the screw boxes and is connected to the reciprocating screw inside it through a bevel gear set.

3. A sewage sedimentation tank sludge extraction device according to claim 2, characterized in that: The reciprocating threads on both sides of the center of the reciprocating screw are symmetrically distributed.

4. A sewage sedimentation tank sludge extraction device according to claim 2, characterized in that: The four corners of the reciprocating push plate are provided with connecting plate openings (3761), and the connecting plate openings correspond to the positions of the connecting plates.

5. A sewage sedimentation tank sludge extraction device according to claim 1, characterized in that: The stepping moving mechanism comprises a sliding rod (21), a sliding frame (22), a sliding roller (23), a gear rail (24), and a moving stepping motor (25). The sliding frame is installed above the two ends of the screw box, the sliding roller is installed in the sliding frame, the sliding rod is located below the sliding roller and is fixedly connected to the sludge pool, the sliding rod is slidably connected to the sliding roller, the gear rail is installed on the lower surface of the sliding rod, the moving stepping motor is installed at one end above the extraction cover box, and the moving stepping motor and the gear rail are connected by gears.

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