Sludge feeding machine, method and application

Abstract

This invention relates to a sludge feeding machine, method, and application, belonging to the field of sludge treatment technology. It aims to improve the removal effect of firmly bonded sludge from the surface of sludge-covered fabric. The key feature is that a lower guide roller is positioned between the lower spreading shaft and the lower winding shaft, higher than the lower winding shaft and above the position of the lower fabric from the first side of the lower guide roller, and above the second side of the lower winding shaft. The lower fabric, unfolded by the lower spreading shaft, enters the lower guide roller from the first side above it with its second side, and exits from the lower guide roller from the second side above it. It then enters and winds onto the lower winding shaft from the second side below it with its second side. The lower winding shaft is inserted into its corresponding support seat through the first opening. The support seat for the lower winding shaft has a switch control device on its second side that allows it to be opened or closed.

Description

Technical Field

[0001] This invention belongs to the field of sludge treatment technology, specifically a sludge feeding machine, method, and application. Background Technology

[0002] In a sludge treatment system, the feeder separates the fabric roll from the sludge after it has undergone heavy compression. The separated sludge falls out through the feeder and is then transported and discharged by a auger. The feeder can be positioned on opposite sides of the conveyor's path from the spreader to achieve high efficiency and a compact sludge treatment process.

[0003] The applicant's prior invention patent CN114292004B discloses a sludge treatment system and method, specifically involving a sludge feeding machine, including a frame, a spreading shaft, a spreading motor, a rolling shaft, and a rolling motor. Along the fabric conveying direction, the spreading shaft and the rolling shaft are sequentially arranged on the frame. Both ends of the spreading shaft are fixed to the frame. The spreading shaft is divided into an upper spreading shaft for spreading the upper layer of fabric and a lower spreading shaft for spreading the lower layer of fabric. The upper spreading shaft is located above the lower spreading shaft. The spreading motor... The rotating shaft is connected to the upper and lower fabric spreading shafts respectively via chains; the fabric rolling shaft mainly consists of an upper fabric rolling shaft and a lower fabric rolling shaft fixed at both ends on the frame. The upper fabric rolling shaft is located above the lower fabric rolling shaft. The fabric rolling motor includes an upper fabric rolling motor and a lower fabric rolling motor fixed on the frame. The upper fabric rolling motor drives the upper fabric rolling shaft to rotate, and the lower fabric rolling motor drives the lower fabric rolling shaft to rotate. The upper and lower layers of fabric covering the sludge contact the lower side of the upper fabric rolling shaft and are rolled up, while the lower layer of fabric contacts the upper side of the lower fabric rolling shaft and is rolled up.

[0004] In this application, the fabric conveying direction is from the first side to the second side. A lower guiding shaft is installed between the lower spreading shaft and the lower winding shaft, allowing the fabric that has passed over the lower guiding shaft to directly enter the lower winding shaft. To achieve the guiding purpose, the lower guiding shaft can only be installed on the first side of the fabric covering the sludge. In this technology, the support base for the lower winding shaft on the frame has an opening for easy installation and removal of the winding shaft, allowing for quick installation or removal of the winding shaft from the support base to the frame. In the above technology, when the lower winding shaft winds the fabric, the reverse pulling force applied to the support base is from the second side to the first side. Figure 2 The dashed line indicates the way the fabric roll enters the lower roll shaft before the improvement, which is the opposite of the direction of fabric roll transmission. Therefore, the opening of the support seat is set on the second side, so that the reverse tension applied to the fabric roll is offset by the support force provided by the closed part of the support seat on the first side. The opening does not need to be closed, and the lower roll shaft will not detach from the support seat through the opening when the fabric is rolled, which facilitates the installation or removal of the roll shaft.

[0005] However, in actual engineering practice, it has been found that the above-mentioned patent document's scheme of having the fabric that bypasses the lower correction shaft directly enter the lower roll-up shaft can cause some types of sludge to easily form a strong bond with the front side of the sludge-covering fabric after being pressed dry. This makes it difficult for the above-mentioned scheme to achieve a satisfactory sludge removal effect under some working conditions in the project, which seriously affects the roll-up efficiency and the recycling of the roll-up.

[0006] The inventors accidentally discovered that the addition of a roller between the correction shaft and the fabric winding shaft in the present invention, whereby the roller wraps around the back of the sludge-covered fabric and acts on the back of the fabric, as well as the sludge adhered to the front of the fabric, can greatly improve the detachment effect of the firmly adhered sludge on the front of the sludge-covered fabric. However, the above improvement causes the direction of the fabric winding into the lower winding machine to be changed. When the lower winding shaft winds the fabric, the reverse tension of the support seat on the fabric winding changes from the original second side to the first side, that is, the reverse direction of the fabric winding transmission direction is changed from the first side to the second side. Figure 2 The solid line indicates the improved method of fabric entering the lower winding shaft, i.e., the direction of fabric transmission. This reversal results in the aforementioned open design on the support base, which, during fabric winding startup or shutdown, can easily cause vibration of the lower winding shaft due to tension fluctuations, significantly affecting the correction function of the alignment shaft. It can even cause the lower winding shaft to detach from the open shaft during fabric winding, impacting the fabric-soil separation effect and efficiency.

[0007] In practical engineering, when the defects caused by the above improvements cannot be overcome, the improvement scheme of adding a roller between the correction shaft and the roll shaft described in this invention cannot be directly implemented. Although adding a roller between the correction shaft and the roll shaft has obvious effects, not all types of sludge are necessarily suitable for this method and can achieve satisfactory sludge removal results. In particular, the solution of this application is not necessarily applicable to all types of sludge. The solution in the above-mentioned patent documents, in which the cloth that wraps around the lower correction shaft directly enters the lower roll shaft, and the solution of this invention, in which a roller is added between the correction shaft and the roll shaft, need to be used alternately or interchangeably. This leads to the need to manufacture a closed support base that is not easy to disassemble in order to reduce the impact of openness. Otherwise, it is difficult to frequently disassemble the fixed support base for large mechanical equipment, but a closed support base that is not easy to disassemble will seriously affect the convenience and efficiency of shaft replacement. Summary of the Invention

[0008] To address the aforementioned problems, in a first aspect, according to some embodiments of this application, a sludge conveying machine is used to separate an upper layer of fabric from a lower layer of fabric covering sludge, wherein the side of the fabric covering the sludge is a first side, and the other side of the fabric is a second side, and the fabric is conveyed from the first side to the second side; the conveying machine includes...

[0009] Frame;

[0010] A support base is disposed on the frame and has a first opening, the first opening being disposed on a second side of the support base;

[0011] A fabric spreading shaft is mounted on the frame and includes an upper fabric spreading shaft and a lower fabric spreading shaft;

[0012] A fabric roll shaft is mounted on the support base of the frame and includes an upper fabric roll shaft and a lower fabric roll shaft, wherein the lower fabric roll shaft is inserted into its corresponding support base through the first opening;

[0013] A lower guide roller is disposed between the lower spreading shaft and the lower winding shaft, positioned higher than the lower winding shaft and higher than the position of the lower layer fabric from the first side of the lower guide roller, and positioned above the second side of the lower winding shaft; wherein, the lower layer fabric unfolded by the lower spreading shaft enters the lower guide roller from the first side above the lower guide roller with its second side, and exits the lower guide roller from the second side above the lower guide roller; and enters and winds onto the lower winding shaft from the second side below the lower winding shaft with its second side.

[0014] The lower roll of fabric is inserted into its corresponding support seat through the first opening. The support seat for mounting the lower roll of fabric has a switch control device on its second side that can control the first opening to be open or closed.

[0015] According to some embodiments of the sludge feeder of this application, the first opening is disposed on the support base, facing the second side and opening upward, wherein the lower roll shaft rotates counterclockwise.

[0016] According to some embodiments of this application, the sludge feeder further includes an upper guide roller, which is disposed between the upper spreading shaft and the upper winding shaft, positioned below the upper winding shaft and below the position of the upper fabric from the first side of the upper guide roller, and below the first side of the upper winding shaft; wherein the upper fabric unfolded by the upper spreading shaft enters the upper guide roller from the first side of the lower part of the upper guide roller with a second side, and exits the upper guide roller from the second side of the lower part of the upper guide roller; and enters and winds onto the upper winding shaft from the second side of the upper part of the upper winding shaft with a second side.

[0017] According to some embodiments of the sludge feeder of this application, the upper cloth roll shaft is inserted into its corresponding support seat through the first opening, wherein the support seat on which the upper cloth roll shaft is installed has a first opening on its second side provided with a switch control device that can control the first opening to be open or closed.

[0018] According to some embodiments of the sludge feeder of this application, the first opening is disposed on the support base, facing the second side and opening upward, wherein the upper cloth winding shaft rotates clockwise and the lower cloth winding shaft rotates counterclockwise.

[0019] According to some embodiments of the sludge feeder of this application, the support base is disposed opposite to each other on opposite panels on both sides of the frame, and the support base includes...

[0020] The bearing housing includes two upright plates with a certain gap and arranged opposite each other. The bearing housing formed by the two upright plates is installed on a panel on one of the two sides of the frame. The second side of the bearing housing is provided with the first opening, and a concave arc-shaped placement space is formed from the first opening into the interior of the bearing housing.

[0021] The bearing, which supports the end of the shaft, is inserted into the concave arc-shaped placement space of the bearing housing along the first opening of the bearing housing. The first and second end faces of the bearing are respectively clamped to the outside of the vertical plate on the side where the end faces are located, so that the bearing portion of the bearing is limited in the arc-shaped slide of the concave arc-shaped placement space between the two vertical plates.

[0022] According to some embodiments of the sludge feeder of this application, the first opening of the bearing seat is formed on the second side of the vertical plate from the middle along the upper direction to the upper end face, and on the upper side of the vertical plate from the middle along the second side direction to the second end face.

[0023] According to some embodiments of the sludge feeder of this application, the switch control device includes...

[0024] A pressure cap, comprising a first shaft, a fixing part, and an arc-shaped part, wherein the first shaft is disposed on the first side of the bearing seat; the fixing part is disposed between the two upright plates of the bearing seat, and the first shaft passes through the two upright plates and the fixing part between the upright plates, so that the fixing part is rotatably connected between the upright plates; the arc-shaped part is formed into an outwardly convex arc shape, the upper arc-shaped end of the arc-shaped part is connected to the fixing part, and the lower arc-shaped end of the arc-shaped part is disposed between the two upright plates and on the second side of the bearing seat;

[0025] A positioning component is provided, wherein the positioning component is connected to the lower arc-shaped end of the arc-shaped portion, and an arc-shaped groove is provided on the positioning component;

[0026] A rotating shaft assembly, which is fixed to a panel on which the bearing housing is mounted, includes a rotating shaft that rotates in a horizontal plane;

[0027] A connector, one end of which is connected to the rotating shaft of the rotating shaft component;

[0028] An arc-shaped slider is connected to the other end of the connector and engages with the arc-shaped groove of the positioning component. It is assembled or separated from the arc-shaped groove by the rotation of the rotating shaft of the rotating shaft component, so as to limit or release the lower arc-shaped end of the arc-shaped part of the cover.

[0029] According to some embodiments of the sludge feeding machine of this application, the upper spreading shaft includes a first upper spreading shaft and a second upper spreading shaft, and the lower spreading shaft includes a first lower spreading shaft and a second lower spreading shaft, with a synchronous pulley provided at the end of the shaft of each spreading shaft.

[0030] According to some embodiments of the sludge feeder of this application, the sludge feeder further includes...

[0031] The fabric spreading motor includes a first drive motor and a second drive motor. The synchronous pulleys of the first upper fabric spreading shaft and the first lower fabric spreading shaft are connected by a first synchronous belt. The first drive motor drives the first upper fabric spreading shaft to rotate. The synchronous pulleys of the second upper fabric spreading shaft and the second lower fabric spreading shaft are connected by a second synchronous belt. The second drive motor drives the second upper fabric spreading shaft to rotate.

[0032] A fabric winding motor, comprising an upper fabric winding motor and a lower fabric winding motor, wherein the upper fabric winding motor drives the upper fabric winding shaft to rotate and the lower fabric winding motor drives the lower fabric winding shaft to rotate;

[0033] A correction shaft is installed on the frame. The correction shaft includes an upper correction shaft and a lower correction shaft. The upper correction shaft is disposed between the second upper spreading shaft and the upper guide roller, and the lower correction shaft is disposed between the second lower spreading shaft and the lower guide roller.

[0034] The correction motor includes a first correction motor and a second correction motor, wherein the first correction motor drives the first correction shaft and the second correction motor drives the second correction shaft.

[0035] A guide shaft is disposed between the second lower spreading shaft and the lower correction shaft.

[0036] In a second aspect, the sludge feeding method according to some embodiments of this application, implemented by the sludge feeding machine, includes the following steps:

[0037] The upper fabric is wound around the first upper fabric shaft from the first side of the upper part of the first upper fabric shaft with a first side, and wound out of the first upper fabric shaft from the second side of the upper part of the first upper fabric shaft;

[0038] The upper layer of fabric unfolded by the first upper fabric spreading axis is wound into the second upper fabric spreading axis from the first side of the lower part of the second upper fabric spreading axis with the second side, and then wound out of the second upper fabric spreading axis from the second side of the lower part of the second upper fabric spreading axis.

[0039] The upper layer of fabric unfolded by the second upper spreading shaft enters the upper correction shaft from the first side of the upper part of the upper correction shaft with the first side, and exits the upper correction shaft from the second side of the upper part of the upper correction shaft;

[0040] The upper layer of fabric is wound around the upper guide roller from the first side of the lower part of the upper guide roller with the second side, and then wound out of the upper guide roller from the second side of the lower part of the upper guide roller; it is also wound around the upper fabric roll shaft from the second side of the upper part of the upper fabric roll shaft with the second side.

[0041] The lower layer fabric is wound around the first lower fabric shaft from the first side above the first lower fabric shaft with the second side, and then wound out of the first lower fabric shaft from the second side above the first lower fabric shaft.

[0042] The lower layer of fabric unfolded by the first lower fabric spreading shaft enters the second lower fabric spreading shaft from the first side of the lower part of the second lower fabric spreading shaft with the first side, and exits the second lower fabric spreading shaft from the second side of the lower part of the second lower fabric spreading shaft;

[0043] The lower layer of fabric unfolded by the second lower spreading shaft enters the guide shaft from the first side of the upper part of the guide shaft with the second side, and exits the guide shaft from the second side of the upper part of the guide shaft;

[0044] The lower layer of fabric passing through the guide shaft enters the lower correction shaft from the first side of the lower correction shaft with a first surface, and exits the lower correction shaft from the second side of the lower correction shaft.

[0045] The lower layer of fabric, passing through the lower correction shaft, enters the lower guide roller from the first side above the lower guide roller with its second side, and exits the lower guide roller from the second side above the lower guide roller; it then enters and winds onto the lower roll shaft from the second side below the lower roll shaft with its second side.

[0046] On a third-party surface, the application of any of the sludge stripping machines described herein in the stripping of dried sludge adhered to the first surface of the upper and / or lower fabric layers.

[0047] Beneficial effects:

[0048] In the first aspect, the present invention achieves the cooperation between the rollers and the sludge-covering cloth by setting up upper and lower guide rollers, so that the second side is wound into and rolled by the cloth roll shaft, so that the upper and lower guide rollers apply force to the sludge adhering to the first side of the cloth on the second side of the cloth, thereby improving the detachment effect of the adhering sludge.

[0049] In the second aspect, the present invention provides a switch control device on the second side of the support seat for installing the lower fabric winding shaft, allowing the opening to be controlled to be open or closed. This overcomes the defects caused by the reversal of the pulling force of the fabric winding shaft due to the upper and lower guide rollers. These defects include, for example, the lower fabric winding shaft easily vibrates due to tension fluctuations during fabric winding startup or shutdown, significantly affecting the correction function of the correction shaft. Furthermore, the lower fabric winding shaft may detach from the opening during fabric winding, affecting the fabric-soil separation effect and efficiency. Thus, the technical means of the first aspect can be implemented, and the desired effect can be achieved.

[0050] On the other hand, the switch control device also satisfies the need for alternating or replacing two fabric rolling methods without closing the support base. This overcomes the shortcomings caused by the need for replacement, such as the ease and efficiency of shaft replacement. Thus, the aforementioned switch control device achieves rapid switching between fabric rolling methods in an extremely convenient manner. Attached Figure Description

[0051] Figure 1 This is a schematic diagram of the sludge feeding machine in the embodiment.

[0052] Figure 2 This is a partial side view of the sludge feeder in the embodiment.

[0053] Figure 3 This is a schematic diagram of the support base in the embodiment.

[0054] Figure 4 This is a schematic diagram of material transportation. The solid line represents the transportation described in the prior invention patent CN114292004B, and the dashed line represents the transportation described in the embodiment.

[0055] in:

[0056] 100. Frame.

[0057] 200. Support seat, 210. Bearing seat, 211. Vertical plate, 212. First opening, 213. Arc-shaped placement space, 214. Arc-shaped slide, 220. Bearing.

[0058] 300. Spreading axis, 310. Upper spreading axis, 311. First upper spreading axis, 312. Second upper spreading axis, 320. Lower spreading axis, 321. First lower spreading axis, 322. Second lower spreading axis.

[0059] 400. Fabric roll shaft, 410. Upper fabric roll shaft, 420. Lower fabric roll shaft.

[0060] 500. Upper guide roller.

[0061] 600. Lower guide roller.

[0062] 700. Switch control device; 710. Cover; 711. First shaft; 712. Fixing part; 713. Arc-shaped part; 720. Positioning component; 721. Arc-shaped groove; 730. Rotating shaft component; 740. Connecting part; 750. Arc-shaped slider.

[0063] 810. Upper correction axis, 820. Lower correction axis.

[0064] 900. Guide shaft.

[0065] 1010. First page, 1020. Second page. Detailed Implementation

[0066] The embodiments of this application are described in detail below with reference to the accompanying drawings, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout.

[0067] In the first embodiment, as Figure 1-4 As shown, a sludge conveying machine is used to separate the upper layer of fabric from the lower layer of fabric covering sludge. The side of the fabric covering the sludge is the first side, and the other side of the fabric is the second side 1020. The fabric is conveyed from the first side to the second side.

[0068] The material feeding machine includes a frame 100, a support base 200, a spreading shaft 300, a rolling shaft 400, an upper guide roller 500, and a lower guide roller 600.

[0069] like Figure 3 As shown, the support base 200 is disposed on the frame 100 and has a first opening 212, which is disposed on the second side of the support base 200.

[0070] In the configuration of the support base 200, the upper fabric roll 410 is inserted into its corresponding support base 200 through the first opening 212. The support base 200 on which the upper fabric roll 410 is installed has a switch control device 700 on its second side, which controls whether the first opening 212 is open or closed. Preferably, the lower fabric roll 420 is inserted into its corresponding support base 200 through the first opening 212. The support base 200 on which the lower fabric roll 420 is installed has a switch control device 700 on its second side, which controls whether the first opening 212 is open or closed. Preferably, the first opening 212 is located on the support base 200, facing the second side and opening upwards, wherein the upper fabric roll 410 rotates clockwise, and the lower fabric roll 420 rotates counterclockwise.

[0071] In the embodiment of the support base 200, preferably, the support base 200 is disposed on opposite panels on both sides of the frame 100, and the support base 200 includes a bearing seat 210 and a bearing 220.

[0072] In the embodiment of the bearing seat 210, the bearing seat 210 preferably includes two upright plates 211, which have a certain gap and are arranged opposite to each other. The bearing seat 210 formed by the two upright plates 211 is installed on the panel of one of the two sides of the frame 100. The second side of the bearing seat 210 is provided with the first opening 212, and a concave arc-shaped placement space 213 is formed from the first opening 212 into the interior of the bearing seat 210.

[0073] In the embodiment of the bearing 220, the bearing 220 is preferably mounted on the end of the shaft and inserted into the concave arc-shaped placement space 213 of the bearing seat 210 along the first opening 212. The first and second end faces of the bearing 220 are respectively clamped to the outside of the upright plate 211 on the side where the end faces are located, so that the bearing 220 is limited in the arc-shaped slide 214 of the concave arc-shaped placement space 213 between the two upright plates 211.

[0074] In the embodiment of the bearing housing 210, it is more preferable to have a notch made on the second side of the upright plate 211 from the middle along the upper direction to the upper end face, and to have a notch made on the upper side of the upright plate 211 from the middle along the second side direction to the second end face.

[0075] like Figure 1 and 3As shown, the fabric spreading shaft 300 is installed on the frame 100, including an upper fabric spreading shaft 310 and a lower fabric spreading shaft 320. The lower fabric spreading shaft 420 is inserted into its corresponding support base 200 through the first opening 212. The support base 200 on which the lower fabric spreading shaft 420 is installed has a switch control device 700 on its second side that controls whether the first opening 212 is open or closed. In the embodiment of the fabric spreading shaft 300, preferably, the upper fabric spreading shaft 410 is inserted into its corresponding support base 200 through the first opening 212. The support base 200 on which the upper fabric spreading shaft 410 is installed has a switch control device 700 on its second side that controls whether the first opening 212 is open or closed.

[0076] like Figure 3 As shown, in the embodiment of the switch control device 700, the support base 200 for mounting the lower fabric roll shaft 420 has a first opening 212 on its second side equipped with a switch control device 700 that can control the first opening 212 to be open or closed. Preferably, the support base 200 for mounting the upper fabric roll shaft 410 also has a first opening 212 on its second side equipped with a switch control device 700 that can control the first opening 212 to be open or closed.

[0077] like Figure 3As shown, in the scheme of the switch control device 700, the switch control device 700 includes a pressure cover 710, a positioning component 720, a rotating shaft component 730, a connecting component 740, and an arc-shaped slider 750. The pressure cover 710 includes a first shaft 711, a fixing part 712, and an arc-shaped part 713. The first shaft 711 is disposed on the first side of the bearing seat 210. The fixing part 712 is disposed between the two upright plates 211 of the bearing seat 210. The first shaft 711 passes through the two upright plates 211 and the fixing part 712 between the upright plates 211, so that the fixing part 712 is rotatably connected between the upright plates 211. The arc-shaped part 713 is formed into an outwardly convex arc shape. The upper arc-shaped end of the arc-shaped part 713 is connected to the fixing part 712, and the lower arc-shaped end of the arc-shaped part 713 is disposed between the two upright plates 211 and on the second side of the bearing seat 210. The positioning component 720 is connected to the lower arc-shaped end of the arc-shaped portion 713, and the positioning component 720 is provided with an arc-shaped groove 721. The rotating shaft component 730 is fixed on the panel on which the bearing seat 210 is mounted, and includes a rotating shaft that rotates in the horizontal plane. One end of the connecting member 740 is connected to the rotating shaft of the rotating shaft component 730. The arc-shaped slider 750 is connected to the other end of the connecting member 740 and cooperates with the arc-shaped groove 721 of the positioning component 720. It is assembled or disassembled with the arc-shaped groove 721 by the rotation of the rotating shaft of the rotating shaft component 730, so as to limit or release the lower arc-shaped end of the arc-shaped portion 713 of the pressure cover 710. It can be understood that the arc-shaped groove 721 is adapted to the arc-shaped slider 750, and the arc-shaped groove 721 is formed as an opening on the corresponding side in the arc-shaped sliding direction of the arc-shaped slider 750. Preferably, the connecting member 740 is a rod. Preferably, the base plate of the bearing seat 210 is provided with bolt holes for installation with bolts and nuts. Preferably, the support seats 200 are arranged in pairs on opposite sides. The structure of the cover of the present invention, its cooperation and installation with the support seats, makes the structure compact. Furthermore, the rotation of the rotating shaft component in the horizontal plane drives the connecting parts to form a horizontal arc-shaped trajectory, so that the arc-shaped slider and arc-shaped groove of the mating parts cooperate. On the one hand, this makes the impact of unidirectional vibration on the closing of the cover less, and the cover fixing reliability higher. The present invention provides a switch control device on the second side of the support seat for installing the lower fabric roll shaft, which can control the opening to be open or closed. This ensures that the fabric roll shaft will not detach from the opening regardless of the orientation of the support seat opening, even if it is affected by the reverse tension of the fabric roll, thereby further avoiding the impact on the winding of the fabric roll. Moreover, the opening can be controlled to open when installing or removing the fabric roll shaft, and the opening function can still be realized.In particular, the structure of the cover of the present invention, its cooperation and installation with the support base, makes the structure compact. Furthermore, the rotating shaft component provides rotation in the horizontal plane, thereby driving the connecting piece to form a horizontal arc-shaped trajectory, so that the arc-shaped slider and arc-shaped groove of the mating part cooperate. On the one hand, the unidirectional vibration has less impact on the closing of the cover, and the cover fixation reliability is higher.

[0078] like Figure 1-2 As shown, the upper guide roller 500 is disposed between the upper spreading shaft 310 and the upper winding shaft 410, positioned below the upper winding shaft 410 and below the position of the upper fabric from the first side of the upper guide roller 500, and below the first side of the upper winding shaft 410. The upper fabric unfolded by the upper spreading shaft 310 enters the upper guide roller 500 from the first side below the upper guide roller 500 with its second surface 1020, and exits the upper guide roller 500 from the second side below the upper guide roller 500. It then enters and winds onto the upper winding shaft 410 from the second side above the upper winding shaft 410 with its second surface 1020.

[0079] like Figure 1-2 As shown, the lower guide roller 600 is disposed between the lower spreading shaft 320 and the lower winding shaft 420, positioned higher than the lower winding shaft 420 and higher than the position of the lower fabric from the first side of the lower guide roller 600, and positioned above the second side of the lower winding shaft 420. The lower fabric unfolded by the lower spreading shaft 320 enters the lower guide roller 600 from the first side above the lower guide roller 600 with its second surface 1020, and exits the lower guide roller 600 from the second side above the lower guide roller 600. It then enters and winds onto the lower winding shaft 420 from the second side below the lower winding shaft 420 with its second surface 1020.

[0080] In practical engineering applications, the inventors discovered that the scheme described in the patent document CN114292004B, in which the fabric that winds out of the lower correction shaft 820 directly enters the lower roll-up shaft 420, is problematic for pressed-dry sludge. For some types of sludge, it is easy for them to form a strong bond with the front side of the sludge-covering fabric. This makes it difficult for the above scheme to achieve satisfactory sludge removal under certain working conditions in engineering, seriously affecting the roll-up efficiency and the recycling of the roll-up.

[0081] The inventors accidentally discovered that the addition of a roller between the correction shaft and the fabric winding shaft 400, and the roller winding around the back of the sludge-covered fabric and acting on the back of the fabric and the sludge adhered to the front of the fabric, can greatly improve the detachment effect of the firmly bonded fabric. However, this improvement causes the direction of the fabric winding into the lower winding machine to be changed. When the lower winding shaft 420 winds the fabric, the reverse tension applied to the support 200 is changed from the second side to the first side, that is, the reverse direction of the fabric winding transmission direction is changed from the first side to the second side. This change causes the open design on the support 200 to easily cause the lower winding shaft 420 to vibrate due to tension fluctuations when the fabric winding starts or stops, significantly affecting the correction effect of the correction shaft. It may even cause the lower winding shaft 420 to detach from the open design during fabric winding, affecting the fabric-sludge separation effect and efficiency.

[0082] In practical engineering, when the defects caused by the above improvements cannot be overcome, the improvement scheme of adding a roller between the correction shaft and the roll-up shaft 400 described in this invention cannot be directly implemented. Although adding a roller between the correction shaft and the roll-up shaft 400 has obvious effects, not all types of sludge are necessarily suitable for this method and can achieve satisfactory sludge removal results. In particular, the solution of this application is not necessarily applicable to all types of sludge. The solution in the above-mentioned patent document CN114292004B, in which the fabric that wraps around the lower correction shaft 820 directly enters the lower roll-up shaft 420, and the solution of this invention, in which a roller is added between the correction shaft and the roll-up shaft 400, need to be used alternately or interchangeably. This leads to the need to manufacture a closed support 200 that is not easy to disassemble in order to reduce the impact of openness. Otherwise, it is difficult to frequently disassemble the fixed support 200 for large mechanical equipment. However, a closed support 200 that is not easy to disassemble will seriously affect the convenience and efficiency of shaft replacement.

[0083] Therefore, based on this, the present invention provides a switch control device 700 on the second side of the support base 200 for mounting the lower fabric winding shaft 420, which can control the opening to be open or closed. This overcomes the defects caused by the reversal of the reverse tension of the fabric winding on the fabric winding shaft 400 due to the upper and lower guide rollers 600. These defects include the tendency for the lower fabric winding shaft 420 to vibrate due to tension fluctuations during fabric winding startup or shutdown, significantly affecting the correction function of the correction shaft. Furthermore, the lower fabric winding shaft 420 may detach from the opening during fabric winding, affecting the fabric mud separation effect and efficiency. Thus, the above-mentioned technical means of the present invention can be implemented, and the desired effect can be achieved. Specifically, by using the solution of adding a roller between the correction shaft and the fabric winding shaft 400, the direction of the fabric winding into the lower fabric winding machine is reversed. When the lower fabric winding shaft 420 winds the fabric, the reverse tension applied to the support base 200 is from the first side to the second side, i.e., the fabric winding transmission direction. At this time, the rotating shaft of the rotating shaft component 730 in the switch control device 700 is rotated, causing the connecting component to slide in an arc shape on the horizontal plane, thereby causing the arc-shaped slider 750 connected to the connecting component to slide into the arc-shaped groove 721 of the positioning component 720. The rotating shaft and the arc-shaped slider 750 can greatly reduce the impact of the frame 100's vibration in the front-back direction on the rotating shaft. Even if there is front-back vibration, it is not enough to cause the rotating shaft to rotate erroneously to the left or right and open accidentally. In particular, the arc-shaped design of the arc-shaped slider 750 further reduces the possibility of such accidental opening.

[0084] In the second embodiment, the upper spreading shaft 310 of the sludge feeder includes a first upper spreading shaft 311 and a second upper spreading shaft 312, and the lower spreading shaft 320 includes a first lower spreading shaft 321 and a second lower spreading shaft 322. Synchronous pulleys are provided at the ends of the shafts of each spreading shaft 300.

[0085] like Figure 1As shown, the sludge feeder also includes a spreading motor, a winding motor, a correction shaft, a guide shaft 900. The spreading motor includes a first drive motor and a second drive motor. The synchronous pulleys of the first upper spreading shaft 311 and the first lower spreading shaft 321 are connected by a first synchronous belt, and the first drive motor drives the first upper spreading shaft 311 to rotate. The synchronous pulleys of the second upper spreading shaft 312 and the second lower spreading shaft 322 are connected by a second synchronous belt, and the second drive motor drives the second upper spreading shaft 312 to rotate. The winding motor includes an upper winding motor and a lower winding motor. The upper winding motor drives the upper winding shaft 410 to rotate, and the lower winding motor drives the lower winding shaft 420 to rotate. The correction shaft is installed on the frame 100. The correction shaft includes an upper correction shaft 810 and a lower correction shaft 820. The upper correction shaft 810 is disposed between the second upper spreading shaft 312 and the upper guide roller 500, and the lower correction shaft 820 is disposed between the second lower spreading shaft 322 and the lower guide roller 600. The correction motor includes a first correction motor and a second correction motor. The first correction motor drives the first correction shaft, and the second correction motor drives the second correction shaft. The guide shaft 900 is disposed between the second lower spreading shaft 322 and the lower correction shaft 820.

[0086] During operation, the upper and lower fabric layers separate at the spreading shaft 300. The upper fabric layer passes sequentially through the first upper spreading shaft 311, the second upper spreading shaft 312, the upper alignment shaft 810, the upper guide roller 500, and the upper winding shaft 410, and is wound up at the upper winding shaft 410. The lower fabric layer passes sequentially through the first lower spreading shaft 321, the second lower spreading shaft 322, the guide shaft 900, the lower alignment shaft 820, the lower guide roller 600, and the lower winding shaft 420, and is wound up at the lower winding shaft 420. The upper drive motor drives the first upper spreading shaft 311 and the first lower spreading shaft 321 to rotate counterclockwise, and the lower drive motor 3 drives the second upper spreading shaft 312 and the second lower spreading shaft 322 to rotate clockwise, thereby spreading the upper and lower layers of fabric respectively. Due to gravity, the sludge remains on the upper surface of the lower layer of fabric before it is conveyed to the lower winding shaft 420 for winding. The upper correction shaft 810 and the lower correction shaft 820 are driven by the correction motor to correct the fabric when it deviates. The upper layer of fabric is wound in from the second side below the upper winding shaft 410 and wound in by the clockwise rotation of the upper winding shaft 410. The lower layer of fabric is wound in from the second side below the lower winding shaft 420 and wound in by the counterclockwise rotation of the lower winding shaft 420. During winding, the sludge falls off the lower layer of fabric due to gravity.

[0087] Please refer to document CN114292004B, which describes the operation of the fabric spreading and rolling components in more detail, as shown in Figure 18 of CN114292004B. The main difference between this invention and CN114292004B is the inclusion of upper and lower guide rollers 500 and 600. Based on this, the operation of the fabric spreading and rolling components of this invention is as follows:

[0088] like Figure 1-2 As shown in Figure 4, specifically, the upper fabric is wound around the first upper fabric shaft 310 from the first side of the upper part of the first upper fabric shaft 310 with the first surface 1010, and then wound out of the first upper fabric shaft 310 from the second side of the upper part of the first upper fabric shaft 310.

[0089] The upper fabric unfolded by the first upper fabric spreading shaft 310 is wound into the second upper fabric spreading shaft 310 from the first side of the lower part of the second upper fabric spreading shaft 310 with the second surface 1020, and then wound out of the second upper fabric spreading shaft 310 from the second side of the lower part of the second upper fabric spreading shaft 310.

[0090] The upper layer of fabric unfolded by the second upper spreading shaft 310 is wound around the upper correction shaft from the first side of the upper part of the upper correction shaft with the first surface 1010, and then wound out of the upper correction shaft from the second side of the upper part of the upper correction shaft.

[0091] The upper layer of fabric, passing through the upper correction shaft, enters the upper guide roller 500 from the first side below the upper guide roller 500 via the second surface 1020, and exits the upper guide roller 500 from the second side below the upper guide roller 500. It then enters and winds onto the upper fabric winding shaft 410 from the second side above the upper fabric winding shaft 410 via the second surface 1020.

[0092] The lower layer fabric is wound around the first lower fabric shaft 320 from the first side above the first lower fabric shaft 320 with the second side 1020, and then wound out of the first lower fabric shaft 320 from the second side above the first lower fabric shaft 320.

[0093] The lower layer of fabric unfolded by the first lower fabric spreading shaft 320 is wound into the second lower fabric spreading shaft 320 from the first side of the lower part of the second lower fabric spreading shaft 320 with the first surface 1010, and then wound out of the second lower fabric spreading shaft 320 from the second side of the lower part of the second lower fabric spreading shaft 320.

[0094] The lower layer of fabric unfolded by the second lower unfolding shaft 320 enters the guide shaft 900 from the first side of the upper part of the guide shaft 900 with the second surface 1020, and exits the guide shaft 900 from the second side of the upper part of the guide shaft 900.

[0095] The lower layer of fabric of the guide shaft 900 is wound around the lower correction shaft from the first side of the lower correction shaft via the first surface 1010, and exits the lower correction shaft from the second side of the lower correction shaft.

[0096] The lower layer of fabric, passing through the lower correction shaft, enters the lower guide roller 600 from the first side above the lower guide roller 600 via the second surface 1020, and exits the lower guide roller 600 from the second side above the lower guide roller 600. It then enters and winds onto the lower fabric winding shaft 420 from the second side below the lower fabric winding shaft 420 via the second surface 1020.

[0097] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this invention and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0098] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0099] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0100] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0101] In this invention, the term "and / or" describes the relationship between associated objects, indicating that three relationships can exist. For example, A and / or B can represent: A alone, A and B simultaneously, or B alone. The character " / " generally indicates that the preceding and following associated objects are in an "or" relationship. "At least one" refers to one or more; "at least one of A and B," similar to "A and / or B," describes the relationship between associated objects, indicating that three relationships can exist. For example, at least one of A and B can represent: A alone, A and B simultaneously, or B alone.

[0102] In this invention, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0103] The above description is merely a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A sludge raking machine for separating an upper layer of material from a lower layer of material in a blanket of material coated with sludge, the material having a first side coated with sludge and a second side, the material being conveyed from the first side to the second side; characterised in that, The material distributing machine comprises: a frame body; a support seat arranged on the frame body, having a first opening arranged on the second side of the support seat; a cloth spreading shaft arranged on the frame body, comprising an upper cloth spreading shaft and a lower cloth spreading shaft; a cloth winding shaft arranged on the support seat of the frame body, comprising an upper cloth winding shaft and a lower cloth winding shaft, wherein the lower cloth winding shaft is arranged in the corresponding support seat through the first opening; a lower guide roller arranged between the lower cloth spreading shaft and the lower cloth winding shaft, arranged at a position higher than the lower cloth winding shaft and the position of the lower layer of cloth from the first side of the lower guide roller, and arranged above the second side of the lower cloth winding shaft; wherein the lower layer of cloth unwound by the lower cloth spreading shaft is wound into the lower guide roller from the first side of the upper part of the lower guide roller and unwound from the second side of the upper part of the lower guide roller in the second direction; and wound into and wound on the lower cloth winding shaft from the second side of the lower part of the lower cloth winding shaft in the second direction; wherein the lower cloth winding shaft is arranged in the corresponding support seat through the first opening, and the first opening of the support seat where the lower cloth winding shaft is arranged is provided with a switch control device capable of controlling the first opening to be open or closed.

2. The sludge agitator according to claim 1, characterized in that The first opening is arranged on the support seat and open towards the second side and the upper side.

3. The sludge agitator of claim 1, wherein Further comprising an upper guide roller arranged between the upper cloth spreading shaft and the upper cloth winding shaft, arranged at a position lower than the upper cloth winding shaft and the position of the upper layer of cloth from the first side of the upper guide roller, and arranged below the first side of the upper cloth winding shaft; wherein the upper layer of cloth unwound by the upper cloth spreading shaft is wound into the upper guide roller from the first side of the lower part of the upper guide roller and unwound from the second side of the lower part of the upper guide roller in the second direction; and wound into and wound on the upper cloth winding shaft from the second side of the upper part of the upper cloth winding shaft in the second direction.

4. The sludge agitator according to claim 3, characterized in that The upper cloth winding shaft is arranged in the corresponding support seat through the first opening, wherein the first opening of the support seat where the upper cloth winding shaft is arranged is provided with a switch control device capable of controlling the first opening to be open or closed.

5. The sludge agitator according to claim 4, characterized in that The first opening is arranged on the support seat and open towards the second side and the upper side.

6. A sludge conditioner according to any one of claims 1 to 5, characterised in that, The support seats are oppositely arranged on the opposite panels of the two sides of the frame body, and the support seat comprises: a bearing seat comprising two vertical plates oppositely arranged with a gap, the bearing seat shaped by the two vertical plates is arranged on the panel of one side of the two sides of the frame body, the second side of the bearing seat is provided with the first opening, and the arc-shaped accommodation space recessed inward is formed in the bearing seat from the first opening to the inside of the bearing seat; The bearing is loaded on the end of the shaft and is loaded into the inner recessed arc-shaped accommodation space of the bearing seat along the first opening of the bearing seat, and the opposite first end face and the second end face of the bearing are respectively clamped by the outer side of the stand on the side of the end face, so that the bearing part of the bearing is limited in the arc-shaped sliding track of the inner recessed arc-shaped accommodation space between the two stands.

7. The sludge agitator according to claim 6, characterized in that The first opening of the bearing seat is opened from the middle to the upper end face on the second side of the stand and is opened from the middle to the second end face on the upper side of the stand.

8. The sludge agitator of claim 6, wherein, The switch control device comprises: The gland comprises a first shaft, a fixed part and an arc-shaped part, the first shaft is arranged on the first side of the bearing seat, the fixed part is arranged between the two stands of the bearing seat, the first shaft penetrates the two stands and the fixed part between the stands, so that the fixed part is rotatably connected between the stands, the arc-shaped part is shaped as an outward convex arc, the upper arc-shaped end of the arc-shaped part is connected to the fixed part, and the lower arc-shaped end of the arc-shaped part is arranged between the two stands and on the second side of the bearing seat; The positioning component is connected to the lower arc-shaped end of the arc-shaped part, and an arc-shaped groove is arranged on the positioning component; The rotating shaft component is fixed on the panel on which the bearing seat is installed and comprises a horizontal rotating shaft; The connecting piece is connected to the rotating shaft of the rotating shaft component at one end; The arc-shaped slider is connected to the other end of the connecting piece and cooperates with the arc-shaped groove of the positioning component, so as to be assembled or separated with the arc-shaped groove driven by the rotation of the rotating shaft of the rotating shaft component, so as to limit or release the lower arc-shaped end of the arc-shaped part of the gland.

9. The sludge agitator of claim 6, wherein, The upper spreading shaft comprises a first upper spreading shaft and a second upper spreading shaft, and the lower spreading shaft comprises a first lower spreading shaft and a second lower spreading shaft, and the end of the shaft body of each spreading shaft is provided with a synchronous wheel.

10. The sludge agitator according to claim 9, characterized in that The sludge shifter further comprises: The spreading motor comprises a first driving motor and a second driving motor, the synchronous wheels of the first upper spreading shaft and the first lower spreading shaft are connected by a first synchronous belt, and the first driving motor drives the first upper spreading shaft to rotate; the synchronous wheels of the second upper spreading shaft and the second lower spreading shaft are connected by a second synchronous belt, and the second driving motor drives the second upper spreading shaft to rotate; The rolling motor comprises an upper rolling motor and a lower rolling motor, the upper rolling motor drives the upper rolling shaft to rotate, and the lower rolling motor drives the lower rolling shaft to rotate; The correction shaft is installed on the frame body, and the correction shaft comprises an upper correction shaft and a lower correction shaft, the upper correction shaft is arranged between the second upper spreading shaft and the upper guide roller, and the lower correction shaft is arranged between the second lower spreading shaft and the lower guide roller; The correction motor comprises a first correction motor and a second correction motor; The guide shaft is arranged between the second lower spreading shaft and the lower correction shaft.

11. A sludge aeration method characterized by, The sludge shifter of claim 10 is implemented, comprising the following steps: the upper layer of fabric wound onto the first upper spreader shaft from the first side of the upper portion of the first upper spreader shaft and unwound from the second side of the upper portion of the first upper spreader shaft; the upper layer of fabric unwound from the first upper spreader shaft wound onto the second upper spreader shaft from the first side of the lower portion of the second upper spreader shaft and unwound from the second side of the lower portion of the second upper spreader shaft; the upper layer of fabric unwound from the second upper spreader shaft wound onto the upper correction shaft from the first side of the upper portion of the upper correction shaft and unwound from the second side of the upper portion of the upper correction shaft; the upper layer of fabric passing through the upper correction shaft wound onto the upper guide roller from the first side of the lower portion of the upper guide roller and unwound from the second side of the lower portion of the upper guide roller; wound onto and wound around the upper take-up shaft from the second side of the upper portion of the upper take-up shaft; the lower layer of fabric wound onto the first lower spreader shaft from the first side of the upper portion of the first lower spreader shaft and unwound from the second side of the upper portion of the first lower spreader shaft; the lower layer of fabric unwound from the first lower spreader shaft wound onto the second lower spreader shaft from the first side of the lower portion of the second lower spreader shaft and unwound from the second side of the lower portion of the second lower spreader shaft; the lower layer of fabric unwound from the second lower spreader shaft wound onto the guide roller from the first side of the upper portion of the guide roller and unwound from the second side of the upper portion of the guide roller; the lower layer of fabric passing through the guide roller wound onto the lower correction shaft from the first side of the lower portion of the lower correction shaft and unwound from the second side of the lower portion of the lower correction shaft; the lower layer of fabric passing through the lower correction shaft wound onto the lower guide roller from the first side of the upper portion of the lower guide roller and unwound from the second side of the upper portion of the lower guide roller; wound onto and wound around the lower take-up shaft from the second side of the lower portion of the lower take-up shaft.

12. Use of the sludge puller according to any one of claims 1 to 10 for peeling dry sludge adhered to the first side of the upper layer of fabric and / or the lower layer of fabric.

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