Sludge dewatering pretreatment device

Abstract

The utility model provides a sludge dewatering pretreatment device which comprises a sludge dewatering machine, a hopper is fixedly installed on the sludge dewatering machine, at least two inclined sieve plates are installed on the hopper in a sliding mode, an arc-shaped sieve plate is fixedly installed on the inner wall of the hopper, and the arc-shaped sieve plate is located below the middle portions of the two inclined sieve plates. Through the arrangement of the inclined sieve plate and the arc-shaped sieve plate structure, sludge can be conveyed into the hopper during use, the sludge can enter a sludge dewatering machine after being filtered by the inclined sieve plate, and broken stones in the sludge can be blocked and filtered by the inclined sieve plate and then slide into the arc-shaped sieve plate along the inclined sieve plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to sludge dewatering equipment technical field especially is a kind of sludge dewatering pre-treatment device. BACKGROUND

[0002] Sludge dewatering refers to the process of removing most of the water content from sludge by filtration or evaporation, and there are two methods of natural evaporation and mechanical dewatering. The commonly used sludge drying equipment is a single-channel rotary dryer, which is suitable for municipal sludge drying.

[0003] In the prior art, untreated river sludge often contains hard objects such as gravel. If these gravel enter the sludge dewatering machine with the sludge, it can cause wear and even damage to the inside of the sludge dewatering machine. Therefore, a sludge dewatering pre-treatment device is needed to meet people's needs. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a kind of sludge dewatering pre-treatment device, can avoid gravel to enter sludge dewatering machine and cause damage to sludge dewatering machine.

[0005] According to one object of the utility model, the utility model provides a kind of sludge dewatering pre-treatment device, including sludge dewatering machine, sludge dewatering machine is fixedly installed with hopper, at least two inclined sieve plates are slidably installed on the hopper, arc-shaped sieve plate is fixedly installed on the inner wall of the hopper, and arc-shaped sieve plate is located below the middle of two inclined sieve plates.

[0006] Further, a distribution pipe is fixedly installed on one side of the hopper, a connecting shaft is rotatably connected in the distribution pipe, the other end of the connecting shaft is rotatably installed on the hopper, and helical blades are fixedly installed on the connecting shaft.

[0007] Further, a motor is fixedly installed on the distribution pipe, a second belt pulley is fixedly installed on the output end of the motor, a belt is drivingly installed on the second belt pulley, a first belt pulley is drivingly installed on the belt, and the first belt pulley is fixedly installed on one end of the connecting shaft.

[0008] Further, positioning grooves are formed in the first belt pulley and the second belt pulley, and the belt is drivingly installed in the two positioning grooves.

[0009] Further, a plurality of scrapers are fixedly installed on the inner wall of the hopper, and at least two scrapers located on the same side are respectively in contact with two inclined sieve plates.

[0010] Further, a recovery tank is fixedly installed on one side of the hopper, and the recovery tank is located on the bottom side of the distribution pipe.

[0011] Further, the rotary shaft holes are arranged on the hopper and the distribution pipe, and two ends of the connecting shaft are rotatably installed in the rotary shaft holes.

[0012] Further, at least two linkage rods are fixedly installed on one side of each of the inclined sieve plates, at least two guide rods are slidably installed on the at least four linkage rods, and a baffle is fixedly installed on one end of the guide rod.

[0013] Further, a spring is slidably sleeved on the guide rod, and two ends of the spring are fixedly installed on the side of the linkage rod and the baffle.

[0014] Further, at least two sliding holes are arranged on the linkage rod, and the at least two guide rods are slidably installed in the two sliding holes.

[0015] The technical scheme of the utility model discloses the setting of inclined sieve plate and arc sieve plate structure, can convey sludge to the hopper when using, sludge will enter sludge dewatering machine after the filtration of inclined sieve plate, and the broken stone in sludge will be blocked and filtered by inclined sieve plate, then slide along inclined sieve plate and enter arc sieve plate. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the drawings needed to be used in the specific embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0017] Figure 1 It is a structural schematic diagram of the embodiment of the utility model;

[0018] Figure 2 It is a local structural schematic diagram of the embodiment of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the rotating disc of the embodiment of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the inclined sieve plate part of the embodiment of the utility model;

[0021] Figure 5 It is a structural schematic diagram of the rotating disc part of the embodiment of the utility model;

[0022] Figure 6 It is a sectional structural schematic diagram of the arc sieve plate part of the embodiment of the utility model;

[0023] Figure 7The utility model discloses a cross section structure schematic drawing of the material distributing pipe part of an embodiment.

[0024] Figure 8 The utility model discloses a structure schematic drawing of the linkage rod part of an embodiment.

[0025] Figure 9 The utility model discloses a structure schematic drawing of the material distributing pipe part of an embodiment.

[0026] Figure 10 The utility model discloses a structure schematic drawing of the communication hole part of an embodiment.

[0027] In the figure: 100, sludge dewatering machine;101, hopper;200, inclined sieve plate;201, arc sieve plate;202, material distributing pipe;203, connecting shaft;204, spiral blade;205, motor;206, belt;207, first belt pulley;208, recovery box;209, positioning groove;210, material falling port;211, rotating shaft hole;212, communication hole;213, guide sliding slot;214, second belt pulley;300, rotating disc;301, extrusion inclined block;302, guide rod;303, baffle;304, linkage rod;305, spring;306, sliding hole;400, support rod;401, scraper. DETAILED DESCRIPTION

[0028] The technical scheme of the utility model will be described below in conjunction with the embodiments, and obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0029] In the description of the utility model, it is understood that the orientation or position relation indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are the orientation or position relation based on the orientation or position relation shown in the drawings, and only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it can not be understood as the limitation to the utility model.

[0030] In addition, the terms "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" are only used for descriptive purpose and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" can explicitly or implicitly include one or more of the features. In the description of the present application, "a plurality of" means two or more, unless otherwise specifically limited. In addition, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0031] Embodiment 1

[0032] As shown in Figures 1-10 :

[0033] A sludge dewatering pre-treatment device, comprising a sludge dewatering machine 100, a hopper 101 is fixedly installed on the sludge dewatering machine 100, two inclined sieve plates 200 are slidably installed on the hopper 101, and an arc-shaped sieve plate 201 is fixedly installed on the inner wall of the hopper 101. The two inclined sieve plates 200 are in contact with the arc-shaped sieve plate 201.

[0034] As shown in Figure 6 , a distribution pipe 202 is fixedly installed on one side of the hopper 101, one end of a connecting shaft 203 is rotatably installed on the inner wall of the distribution pipe 202, the other end of the connecting shaft 203 is rotatably installed on the hopper 101, a helical blade 204 is fixedly installed on the connecting shaft 203, a motor 205 is fixedly installed on the distribution pipe 202, a second belt pulley 214 is fixedly installed on the output end of the motor 205, a belt 206 is rotatably installed on the second belt pulley 214, a first belt pulley 207 is rotatably installed on one end of the connecting shaft 203, and a turntable 300 is fixedly installed on one end of the connecting shaft 203.

[0035] As shown in Figure 3 and Figure 5 , a plurality of extrusion inclined blocks 301 are fixedly installed on one side of the turntable 300.

[0036] As shown in Figure 8 , two linkage rods 304 are fixedly installed on one side of each of the two inclined sieve plates 200, two guide rods 302 are slidably installed on each of the four linkage rods 304, a baffle 303 is fixedly installed on one end of each of the eight guide rods 302, and the other end of each of the eight guide rods 302 is fixedly installed on one side of the hopper 101.

[0037] As shown in Figure 4As shown, the inner wall of the hopper 101 is fixedly provided with two support rods 400, and the inner wall of the hopper 101 is fixedly provided with a plurality of scrapers 401, two scrapers 401 on the same side are fixedly provided on one side of the two support rods 400 respectively, and the two scrapers 401 on the same side are in contact with the two inclined sieve plates 200 respectively. The inclined sieve plate 200 will contact the scraper 401 during movement, and the scraper 401 can scrape the accumulated sludge on the inclined sieve plate 200 to prevent the inclined sieve plate 200 from being blocked.

[0038] As shown in Figure 6 The first pulley 207 and the second pulley 214 are provided with positioning grooves 209, and the belt 206 is transmissionally installed in the two positioning grooves 209. By arranging the positioning grooves 209, the belt 206 can be prevented from deviating.

[0039] As shown in Figure 4 The hopper 101 is fixedly provided with a recovery box 208 on one side, and the recovery box 208 is located at the bottom side of the distribution pipe 202. By arranging the recovery box 208, the gravel can be conveniently collected and cleaned.

[0040] As shown in Figure 10 The hopper 101 and the distribution pipe 202 are provided with shaft holes 211, and the two ends of the connecting shaft 203 are rotatably installed in the two shaft holes 211. The continuously rotating first pulley 207 drives the connecting shaft 203 to rotate in the two shaft holes 211, so that the connecting shaft 203 is prevented from deviating.

[0041] The hopper 101 is provided with a communication hole 212, and the communication hole 212 is in communication with the distribution pipe 202. The spiral blade 204 is movably installed in the communication hole 212. During rotation of the spiral blade 204, the gravel in the arc sieve plate 201 can be conveyed to the distribution pipe 202 through the communication hole 212.

[0042] The hopper 101 is provided with four guide sliding grooves 213, and the two ends of the two inclined sieve plates 200 are slidably installed in the four guide sliding grooves 213. When the inclined sieve plate 200 slides, it slides in the guide sliding groove 213, thereby limiting the sliding direction of the inclined sieve plate 200.

[0043] As shown in Figure 8 The guide rod 302 is slidably sleeved with a spring 305, and the two ends of the spring 305 are fixedly installed on the side of the linkage rod 304 and the baffle 303 that are close to each other. The moving linkage rod 304 will extrude the two springs 305. When the continuously moving extrusion inclined block 301 moves away from the inclined sieve plate 200, the spring 305 in the compressed state will reset and push the inclined sieve plate 200 to move back to the reset position.

[0044] Two sliding holes 306 are formed in the linkage rod 304, and the two guide rods 302 are slidably installed in the two sliding holes 306, so that the linkage rod 304 slides on the two guide rods 302 through the two sliding holes 306, thereby limiting the moving direction of the linkage rod 304.

[0045] As shown in Figure 9 The chute 202 is provided with a feeding opening 210 corresponding to the recycling box 208, and the continuously pushed gravel heats the chute 202 and falls into the recycling box 208 through the feeding opening 210.

[0046] When the utility model works:

[0047] The sludge is poured into the hopper 101, and the sludge falls through the inclined sieve plate 200 into the sludge dewatering machine 100, and the gravel in the sludge rolls into the arc sieve plate 201 along the inclined sieve plate 200. During the process, the motor 205 can be started, the output end of the motor 205 drives the second belt pulley 214 to rotate, the rotating second belt pulley 214 drives the first belt pulley 207 to rotate through cooperation with the belt 206, the belt 206 is prevented from deviating by the positioning groove 209, the continuously rotating first belt pulley 207 drives the connecting shaft 203 to rotate in the two rotating shaft holes 211, the connecting shaft 203 is prevented from deviating, the continuously rotating connecting shaft 203 drives the spiral blade 204 to rotate, the spiral blade 204 pushes the gravel in the arc sieve plate 201 during the rotating process, and the excess sludge in the arc sieve plate 201 falls into the sludge dewatering machine 100 through the arc sieve plate 201, the continuously pushed gravel heats the chute 202 and falls into the recycling box 208 through the feeding opening 210, and the recycling box 208 is convenient for centralized cleaning of gravel.

[0048] And the connecting shaft 203 will drive the rotating disc 300 to rotate under the continuous rotation, the rotating rotating disc 300 drives the extrusion inclined block 301 to move, the extrusion inclined block 301 reciprocatingly extrudes the two inclined sieve plates 200 during the movement, the extrusion inclined block 301 extrudes the two inclined sieve plates 200 and moves the two inclined sieve plates 200, the inclined sieve plate 200 moves and pushes the linkage rod 304 to move, the linkage rod 304 slides on the two guide rods 302 through the two sliding holes 306, thereby limiting the moving direction of the linkage rod 304, the continuously moving linkage rod 304 extrudes the two springs 305, when the continuously moving extrusion inclined block 301 moves away from the inclined sieve plate 200, the spring 305 in the compressed state resets and moves the inclined sieve plate 200 to reset, so that the inclined sieve plate 200 can be reciprocatingly vibrated under the action of the reciprocating movement of the extrusion inclined block 301, and the screening effect is improved. The inclined sieve plate 200 moves in contact with the scraper 401, and the scraper 401 can scrape the sludge accumulated on the inclined sieve plate 200, preventing the inclined sieve plate 200 from being blocked.

[0049] The utility model discloses a setting through the inclined screen board, arc screen board etc. structure, can convey sludge to the hopper when using, and sludge will enter sludge dewatering machine after the filtration of inclined screen board, and the broken stone in sludge will be stopped and filtered by the inclined screen board, and then slide along the inclined screen board and fall into the arc screen board, can open the motor in the process, and the motor can convey the broken stone in the arc screen board, finally make the broken stone fall into the recovery box, so as to centralized cleaning, and the sludge in the arc screen board will fall into the sludge dewatering machine through the arc screen board in the process.

[0050] The utility model discloses a setting through the extrusion inclined block, can make the rotary plate rotate while opening the motor, and the rotary plate will drive the extrusion inclined block to repeatedly extrude the inclined screen board in the process of rotating, and the inclined screen board can reciprocating vibration through the cooperation of spring, improves the screening effect, and the inclined screen board will rub with the scraper in the moving process, prevents the sludge accumulation and blockage on the inclined screen board.

[0051] Finally, it should be noted that: the above embodiments are only used to illustrate the technical scheme of the utility model, and not limited to it; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it still can modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part or all technical features; and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the scope of the technical scheme of the utility model embodiments.

Claims

1. A sludge dewatering pretreatment device, characterized by comprising: Including sludge dewatering machine, it is characterized in following: the sludge dewatering machine is fixedly installed with hopper, at least two inclined sieve plates are slidably installed on the hopper, arc sieve plate is fixedly installed on the inner wall of the hopper, and the arc sieve plate is located below the middle of two inclined sieve plates.

2. The sludge dewatering pretreatment device according to claim 1, characterized by: One side of the hopper is fixedly installed with a distribution pipe, a connecting shaft is rotatably connected in the distribution pipe, the other end of the connecting shaft is rotatably installed on the hopper, and helical blades are fixedly installed on the connecting shaft.

3. The sludge dewatering pretreatment device according to claim 2, characterized by: A motor is fixedly installed on the distribution pipe, a second belt pulley is fixedly installed on the output end of the motor, a belt is drivingly installed on the second belt pulley, a first belt pulley is drivingly installed on the belt, and the first belt pulley is fixedly installed on one end of the connecting shaft.

4. The sludge dewatering pretreatment device according to claim 3, characterized by: Positioning grooves are formed in the first belt pulley and the second belt pulley, and the belt is drivingly installed in the two positioning grooves.

5. The sludge dewatering pretreatment device according to claim 1, characterized by: A plurality of scrapers are fixedly installed on the inner wall of the hopper, and at least two scrapers on the same side are respectively in contact with two inclined sieve plates.

6. The sludge dewatering pretreatment device according to claim 2, characterized by: A recovery box is fixedly installed on one side of the hopper, and the recovery box is located at the bottom side of the distribution pipe.

7. The sludge dewatering pretreatment device according to claim 2, characterized by: Hinge holes are formed in the hopper and the distribution pipe, and both ends of the connecting shaft are rotatably installed in the two hinge holes.

8. The sludge dewatering pretreatment device according to claim 1, characterized by: At least two linkage rods are fixedly installed on one side of two inclined sieve plates, at least two guide rods are slidably installed on at least four linkage rods, and baffles are fixedly installed on one end of the guide rods.

9. The sludge dewatering pretreatment device according to claim 8, characterized by: Springs are slidably sleeved on the guide rods, and both ends of the springs are fixedly installed on the side of the linkage rods and the baffles that are close to each other.

10. The sludge dewatering pretreatment device according to claim 9, characterized by: At least two sliding holes are formed in the linkage rods, and at least two guide rods are slidably installed in the two sliding holes.

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