Solid-liquid separation treatment equipment for paint spraying waste treatment

By introducing a sludge scraping mechanism into the paint waste treatment equipment, the problem of difficult-to-treat sludge at the bottom of the sedimentation tank was solved, realizing automatic cleaning of sludge in the sedimentation tank and improving treatment efficiency.

CN120900261APending Publication Date: 2025-11-07BEIJING ZELU TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202511125713.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-12
Publication Date
2025-11-07

AI Technical Summary

Technical Problem

Existing sedimentation tanks for treating paint waste have a simple structure and are difficult to effectively treat the sludge deposited at the bottom.

Method used

A solid-liquid separation treatment device was designed, which includes a sedimentation tank, a liquid discharge mechanism, and a sludge scraping mechanism. The sludge at the bottom of the sedimentation tank is automatically cleaned by the scraper and drive mechanism in the sludge scraping mechanism.

Benefits of technology

It simplifies the process of cleaning sludge at the bottom of the sedimentation tank, making operation more convenient and improving treatment efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of paint spraying waste treatment, in particular to solid-liquid separation treatment equipment for paint spraying waste treatment, which comprises a sedimentation tank, a liquid discharge mechanism and a mud scraping mechanism, the mud scraping mechanism comprises a mounting guide rail, a driving mechanism, a sliding seat, a driving arm and a scraping plate, a sliding chute is further formed in the side surface of the bottom of the sedimentation tank, and the sliding chute penetrates through a discharge port; after clear water in the sedimentation tank is separated through the liquid discharging mechanism, the pulling mechanism is started to enable the baffle to slide in the sliding groove so as to enable the discharging opening to be in an unblocked state, the driving mechanism is started to drive the sliding seat to slide on the mounting guide rail, and therefore the clear water in the sedimentation tank is separated. The driving arm drives the scraping plate to translate from the inner bottom of the sedimentation tank to the direction of the discharge port, so that the sludge deposited in the sedimentation tank is discharged from the discharge port by utilizing the scraping plate, the sludge in the sedimentation tank is cleaned, and by adopting the structure, the operation is more convenient when the sludge in the sedimentation tank is cleaned.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of paint spraying waste treatment, and particularly relates to a solid-liquid separation treatment equipment for paint spraying waste treatment. BACKGROUND

[0002] Paint spraying waste refers to solid, liquid or mixed waste containing or contaminated with paint, solvent, curing agent and other harmful components generated in the process of paint spraying (coating) operation. In the process of treating paint spraying waste, a sedimentation tank is needed to realize solid-liquid separation of paint spraying waste.

[0003] However, the existing sedimentation tank for paint spraying waste treatment has a simple structure, and after the upper clear water in the sedimentation tank is treated, it is inconvenient to treat the sludge deposited at the bottom of the sedimentation tank. SUMMARY

[0004] The present application aims to provide a solid-liquid separation treatment equipment for paint spraying waste treatment, which aims to solve the technical problem that the existing sedimentation tank for paint spraying waste treatment has a simple structure, and after the upper clear water in the sedimentation tank is treated, it is inconvenient to treat the sludge deposited at the bottom of the sedimentation tank.

[0005] To achieve the above-mentioned purpose, the present application provides a solid-liquid separation treatment equipment for paint spraying waste treatment, which comprises a sedimentation tank, a liquid discharge mechanism and a sludge scraping mechanism. One end of the sedimentation tank is provided with an input pipe, the other end of the sedimentation tank is provided with the liquid discharge mechanism, the input pipe is connected with the output pipe of a flocculation tank for paint spraying waste treatment through a pipeline system at the end away from the sedimentation tank, and the input end of the liquid discharge mechanism is provided with a discharge pipe located inside the sedimentation tank. The sludge scraping mechanism comprises a mounting guide rail, a driving mechanism, a sliding seat, a driving arm and a scraper. The bottom of the sedimentation tank is provided with a discharge port at the end away from the input pipe, the side of the bottom of the sedimentation tank is further provided with a chute, the chute penetrates the discharge port, the inside of the chute is slidably provided with a baffle, the side of the sedimentation tank is further provided with a mounting bracket, the mounting bracket is provided with a pulling mechanism, the output end of the pulling mechanism is connected with the baffle, the mounting guide rail is transversely arranged at the middle of the top end of the sedimentation tank, the side of the mounting guide rail facing the sedimentation tank is slidably provided with the sliding seat, the inside of the mounting guide rail is provided with the driving mechanism, the output end of the driving mechanism is connected with the sliding seat, one end of the driving arm is connected with the sliding seat, the other end of the driving arm is provided with the scraper, the scraper is located at the inner bottom of the sedimentation tank, the top end of the scraper is provided with an inclined section, and the end of the inclined section away from the scraper is attached to the inner wall of the end of the sedimentation tank close to the input pipe.

[0006] The installation guide rail comprises a sliding rail and two inclined supporting feet, the two inclined supporting feet are respectively installed at both ends of the top of the sedimentation tank, the top end of each inclined supporting foot extends to the outside of the sedimentation tank, the sliding rail is installed between the top ends of the two inclined supporting feet, and the side of the sliding rail facing the sedimentation tank is provided with the sliding seat.

[0007] The driving mechanism comprises a servo motor, a first threaded rod and a ball screw nut pair, the servo motor is installed at one end of the inside of the sliding rail, the output end of the servo motor is provided with the first threaded rod, the first threaded rod is provided with the ball screw nut pair, and the ball screw nut pair is connected with the sliding seat.

[0008] The pulling mechanism comprises a driving member, a limiting rotating shaft, a second threaded rod and a connecting bearing, the limiting rotating shaft is rotationally arranged at one end of the mounting bracket away from the sedimentation tank, the second threaded rod is threadedly connected to the inside of the limiting rotating shaft, one end of the second threaded rod away from the mounting bracket is connected with the baffle through the connecting bearing, the mounting bracket is further provided with the driving member, the outside of the limiting rotating shaft is provided with a transmission gear, and the output end of the driving member is in mechanical transmission with the transmission gear.

[0009] The driving member comprises a driving motor, a gear reduction box and an output gear, the driving motor is installed on the mounting bracket, the output end of the driving motor is provided with the gear reduction box, the output end of the gear reduction box is provided with the output gear, and the output gear is engaged with the transmission gear.

[0010] The solid-liquid separation treatment equipment for paint spraying waste treatment further comprises a protective plate, a through groove is arranged through the sliding seat, the protective plate is arranged in the through groove, and the two ends of the protective plate are connected with the two ends of the sliding rail respectively.

[0011] The side surface of each end of the protective plate is provided with a fixing block, one end of the fixing block is connected with the side surface of the protective plate, and the other end of the fixing block is connected with the side surface of the sliding rail.

[0012] The application discloses a solid-liquid separation treatment equipment for paint spraying waste treatment, which comprises a sedimentation tank, a liquid discharge mechanism and a mud scraping mechanism, the mud scraping mechanism comprises a mounting guide rail, a driving mechanism, a sliding seat, a driving arm and a scraper, a discharge port is arranged at the bottom of the sedimentation tank away from one end of the input pipe, a chute is further arranged at the side of the bottom of the sedimentation tank, the chute penetrates the discharge port, a baffle is slidably arranged in the chute, after the clean water in the sedimentation tank is separated through the liquid discharge mechanism, the pulling mechanism is started, so that the baffle slides in the chute, so that the discharge port is in an unobstructed state, the driving mechanism is started, the sliding seat is driven to slide on the mounting guide rail, and then the driving arm drives the scraper to translate on the inner bottom of the sedimentation tank towards the discharge port, so that the scraper is used for discharging the deposited sludge in the sedimentation tank from the discharge port, and the cleaning of the sludge in the sedimentation tank is completed, and the above structure is adopted, so that the operation is more convenient when the sludge in the sedimentation tank is cleaned. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0014] Figure 1 It is a structure schematic diagram of the solid-liquid separation treatment equipment for paint spraying waste treatment of the first embodiment of the present application.

[0015] Figure 2 It is a partial structure enlarged view of A of the solid-liquid separation treatment equipment for paint spraying waste treatment provided by the present application. Figure 1

[0016] Figure 3 It is a partial structure enlarged view of B of the solid-liquid separation treatment equipment for paint spraying waste treatment provided by the present application. Figure 1

[0017] Figure 4 It is a partial structure schematic diagram of the mud scraping mechanism in the first embodiment of the present application.

[0018] Figure 5 It is a structure schematic diagram of the limiting pivot in the first embodiment of the present application.

[0019] Figure 6 It is a partial structure schematic diagram of the mud scraping mechanism in the second embodiment of the present application.

[0020] Figure 7 It is a partial structure enlarged view of C of the solid-liquid separation treatment equipment for paint spraying waste treatment provided by the present application. Figure 6 ​​​

[0021] 101 - sedimentation tank, 102 - liquid discharge mechanism, 103 - sliding seat, 104 - driving arm, 105 - scraper, 106 - sliding rail, 107 - inclined support leg, 108 - servo motor, 109 - first threaded rod, 110 - ball screw nut pair, 111 - input pipe, 112 - discharge pipe, 113 - discharge port, 114 - chute, 115 - baffle, 116 - mounting bracket, 117 - inclined section, 118 - limiting pivot, 119 - second threaded rod, 120 - connecting bearing, 121 - transmission gear, 122 - driving motor, 123 - gear reduction box, 124 - output gear, 125 - limiting ring, 126 - annular groove, 127 - ball, 201 - protective plate, 202 - through groove, 203 - fixed block. DETAILED DESCRIPTION

[0022] Embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0023] First embodiment: Please refer to Figures 1 to 5 , wherein Figure 1 is a structural schematic diagram of a solid-liquid separation treatment device for paint spraying waste treatment of the first embodiment, Figure 2 is Figure 1 is an enlarged view of the partial structure at A of Figure 3 is Figure 1 is an enlarged view of the partial structure at B of Figure 4 is a partial structural schematic diagram of the mud scraping mechanism in the first embodiment, Figure 5 is a structural schematic diagram of the limiting pivot in the first embodiment.

[0024] The present application provides a solid-liquid separation treatment device for paint spraying waste treatment: comprising a sedimentation tank 101, a liquid discharge mechanism 102 and a mud scraping mechanism, the mud scraping mechanism comprising a mounting guide rail, a driving mechanism, a sliding seat 103, a driving arm 104 and a scraper 105, the mounting guide rail comprising a sliding rail 106 and two inclined support legs 107, the driving mechanism comprising a servo motor 108, a first threaded rod 109 and a ball screw nut pair 110. The foregoing scheme solves the problem that the existing sedimentation tank 101 for paint spraying waste treatment has a relatively simple structure, and after the upper clear water in the sedimentation tank 101 is treated, it is inconvenient to treat the sludge deposited at the bottom of the sedimentation tank 101. It can be understood that the foregoing scheme can be used on the specific structure of the sedimentation tank 101 for completing solid-liquid separation in the paint spraying waste treatment system.

[0025] For this specific embodiment, one end of the sedimentation tank 101 is provided with an input pipe 111, the other end of the sedimentation tank 101 is provided with the liquid discharge mechanism 102, the input pipe 111 is connected with the output pipe of the flocculation tank for paint spraying waste treatment through a pipeline system away from one end of the sedimentation tank 101, the input end of the liquid discharge mechanism 102 is provided with a discharge pipe 112, the discharge pipe 112 is located inside the sedimentation tank 101, during the treatment process of paint spraying waste (containing paint residue, solvent, etc.), paint spraying waste is transported to the flocculation tank for flocculation treatment, the mixed liquid after flocculation treatment is transported to the sedimentation tank 101 through the input pipe 111, under the action of gravity sedimentation, the flocs (sludge) and clear water are further separated, the clear water is discharged through the liquid discharge mechanism 102, and the sludge is deposited at the bottom of the tank for subsequent treatment.

[0026] The bottom of the sedimentation tank 101 is provided with a discharge port 113 away from one end of the input pipe 111, the side of the bottom of the sedimentation tank 101 is also provided with a chute 114, the chute 114 penetrates the discharge port 113, the inside of the chute 114 is slidably provided with a baffle 115, the side of the sedimentation tank 101 is also provided with a mounting bracket 116, the mounting bracket 116 is provided with a pulling mechanism, the output end of the pulling mechanism is connected with the baffle 115, the middle of the top end of the sedimentation tank 101 is transversely provided with the mounting rail, one side of the mounting rail towards the sedimentation tank 101 is slidably provided with the sliding seat 103, the inside of the mounting rail is provided with the driving mechanism, the output end of the driving mechanism is connected with the sliding seat 103, one end of the driving arm 104 is connected with the sliding seat 103, the other end of the driving arm 104 is provided with the scraper 105, the scraper 105 is located at the inner bottom of the sedimentation tank 101, the top end of the scraper 105 is provided with an inclined section 117, one end of the inclined section 117 away from the scraper 105 is attached to the inner wall of the one end of the sedimentation tank 101 close to the input pipe 111, after the clean water in the sedimentation tank 101 is separated by the liquid discharge mechanism 102, the pulling mechanism is started, the baffle 115 slides in the chute 114, so that the discharge port 113 is in an unobstructed state, the driving mechanism is started, the sliding seat 103 slides on the mounting rail, and then the driving arm 104 drives the scraper 105 to translate on the inner bottom of the sedimentation tank 101 towards the discharge port 113, so that the scraper 105 discharges the sludge deposited in the sedimentation tank 101 from the discharge port 113, the cleaning of the sludge in the sedimentation tank 101 is completed, and the above structure is adopted, the operation is more convenient when the sludge in the sedimentation tank 101 is cleaned, and since the top end of the scraper 105 is provided with the inclined section 117, the sludge can be prevented from being deposited between the scraper 105 and the inner wall of the one end of the sedimentation tank 101 close to the input pipe 111.

[0027] Secondly, two inclined supporting legs 107 are installed at the two ends of the top of the sedimentation tank 101, the top end of each inclined supporting leg 107 extends to the outside of the sedimentation tank 101, the sliding rail 106 is installed between the top ends of the two inclined supporting legs 107, one side of the sliding rail 106 towards the sedimentation tank 101 is slidably provided with the sliding seat 103, since the top end of each inclined supporting leg 107 extends to the outside of the sedimentation tank 101, the overall length of the sliding rail 106 is greater than the length of the sedimentation tank 101, and then the stroke of the scraper 105 can adapt to the length of the entire sedimentation tank 101.

[0028] Meanwhile, the servo motor 108 is installed at one end inside the sliding rail 106, an output end of the servo motor 108 is provided with the first threaded rod 109, the first threaded rod 109 is provided with the ball screw nut pair 110, the ball screw nut pair 110 is connected with the sliding seat 103, the servo motor 108 is started to drive the first threaded rod 109 to rotate, since the ball screw nut pair 110 is connected with the sliding seat 103, the sliding seat 103 is made to slide on the sliding rail 106.

[0029] In addition, the pulling mechanism comprises a driving member, a limiting rotating shaft 118, a second threaded rod 119 and a connecting bearing 120, the limiting rotating shaft 118 is rotatably arranged at one end of the mounting bracket 116 away from the sedimentation tank 101, the second threaded rod 119 is threadedly connected inside the limiting rotating shaft 118, one end of the second threaded rod 119 towards the baffle 115 is connected with the baffle 115 through the connecting bearing 120, the mounting bracket 116 is further provided with the driving member, the limiting rotating shaft 118 is externally provided with a transmission gear 121, the driving member comprises a driving motor 122, a gear reduction box 123 and an output gear 124, the driving motor 122 is installed on the mounting bracket 116, the driving motor 122 is provided with the gear reduction box 123 at an output end thereof, the gear reduction box 123 is provided with the output gear 124 at an output end thereof, the output gear 124 is engaged with the transmission gear 121, the driving motor 122 is started to drive the output gear 124 to rotate after the output speed is slowed down by the gear reduction box 123, since the output gear 124 is engaged with the transmission gear 121, the limiting rotating shaft 118 is driven to rotate on the mounting bracket 116, since the limiting rotating shaft 118 does not move when rotating, the second threaded rod 119 is made to rotate inside the limiting rotating shaft 118 while moving, and the baffle 115 is further driven to slide in the sliding groove 114 through the connecting bearing 120.

[0030] Further, the limiting rotating shaft 118 is externally provided with two limiting rings 125, the two limiting rings 125 are respectively located at inner and outer sides of one end of the mounting bracket 116 away from the sedimentation tank 101, the limiting rotating shaft 118 is made more stable when rotating at the end of the mounting bracket 116 through the arrangement of the two limiting rings 125.

[0031] Further, the opposite side of the two limiting rings 125 is provided with an annular groove 126, and the inner side of each annular groove 126 is provided with a plurality of ball bearings 127, so that the limiting ring 125 rotates more smoothly when rotating at the top end of the mounting bracket 116.

[0032] When the paint spraying waste treatment solid-liquid separation treatment equipment of the embodiment is used, in the process of treating paint spraying waste (including paint residue, solvent, etc.), the paint spraying waste is transported to the flocculation tank for flocculation treatment, the mixed liquid after flocculation treatment is transported to the sedimentation tank 101 through the input pipe 111, and under the action of gravity sedimentation, the flocculation (sludge) and clean water are further separated, the clean water is discharged through the liquid discharge mechanism 102, the sludge is deposited at the bottom of the tank for subsequent treatment, and when the clean water in the sedimentation tank 101 is separated through the liquid discharge mechanism 102, the pulling mechanism is started, so that the baffle 115 slides in the chute 114, so that the discharge port 113 is in an unobstructed state, the driving mechanism is started, the sliding seat 103 is driven to slide on the mounting rail, and then the scraper 105 is driven to translate on the inner bottom of the sedimentation tank 101 to the direction of the discharge port 113 through the driving arm 104, so that the sludge deposited in the sedimentation tank 101 is discharged from the discharge port 113 through the scraper 105, and the cleaning of the sludge in the sedimentation tank 101 is completed. With the above structure, when the sludge in the sedimentation tank 101 is cleaned, the operation is more convenient, and since the top end of the scraper 105 is provided with the inclined section 117, the sludge can be prevented from being deposited between the scraper 105 and the inner wall of the end of the sedimentation tank 101 close to the input pipe 111.

[0033] Second embodiment: On the basis of the first embodiment, please refer to Figure 6 and Figure 7 , Figure 6 is a partial structure schematic view of the mud scraping mechanism in the second embodiment, Figure 7 is Figure 6 an enlarged view of the local structure at C.

[0034] The paint spraying waste treatment solid-liquid separation treatment equipment provided by the application further comprises a protective plate 201.

[0035] For this specific embodiment, a through slot 202 is provided on the sliding seat 103, the protective plate 201 is arranged in the through slot 202, and the two ends of the protective plate 201 are connected with the two ends of the sliding rail 106 respectively. The bottom surface of the sliding rail 106 is protected by the protective plate 201, so that foreign matters in the external environment cannot enter the inside of the sliding rail 106 and affect the operation of the driving mechanism.

[0036] The side surface of each end of the protective plate 201 is provided with a fixing block 203, one end of the fixing block 203 is connected with the side surface of the protective plate 201, and the other end of the fixing block 203 is connected with the side surface of the sliding rail 106. The installation of the protective plate 201 is completed through the arrangement of the fixing block 203.

[0037] When the solid-liquid separation treatment equipment for paint spraying waste treatment is used, the installation of the protective plate 201 is completed through the arrangement of the fixing block 203, the bottom surface of the sliding rail 106 is protected by the protective plate 201, so that foreign matters in the external environment cannot enter the inside of the sliding rail 106 and affect the operation of the driving mechanism.

[0038] The above disclosure is only a preferred embodiment of the present application, and of course cannot limit the scope of the present application. Those skilled in the art can understand that the above-mentioned embodiment can be implemented in whole or in part, and equivalent changes made according to the claims of the present application still fall within the scope of the present application.

Claims

1. A solid-liquid separation treatment device for paint spraying waste treatment, comprising a sedimentation tank and a liquid discharge mechanism, one end of the sedimentation tank is provided with an input pipe, the other end of the sedimentation tank is provided with the liquid discharge mechanism, the input pipe far away from one end of the sedimentation tank is connected with the output pipe of the flocculation tank for paint spraying waste treatment through a pipeline system, the input end of the liquid discharge mechanism is provided with a discharge pipe, and the discharge pipe is located inside the sedimentation tank, characterized in that, it further comprises a mud scraping mechanism.

2. The solid-liquid separation treatment device for paint spraying waste treatment according to claim 1, wherein the installation guide rail comprises a sliding rail and two inclined support feet, and the two inclined support feet are respectively installed at both ends of the top of the sedimentation tank, the top end of each inclined support foot extends to the outside of the sedimentation tank, the sliding rail is installed between the top ends of the two inclined support feet, and the sliding rail is slidably provided with the sliding seat on one side facing the sedimentation tank.

3. The solid-liquid separation treatment device for paint spraying waste treatment according to claim 2, wherein the driving mechanism comprises a servo motor, a first threaded rod and a ball screw nut pair, one end of the servo motor is installed inside the sliding rail, the output end of the servo motor is provided with the first threaded rod, the first threaded rod is provided with the ball screw nut pair, and the ball screw nut pair is connected with the sliding seat.

4. The solid-liquid separation treatment device for paint spraying waste treatment according to claim 1, wherein the pulling mechanism comprises a driving piece, a limiting rotating shaft, a second threaded rod and a connecting bearing, the limiting rotating shaft is rotatably arranged at one end of the installation support away from the sedimentation tank, the second threaded rod is threadedly connected inside the limiting rotating shaft, one end of the second threaded rod facing the baffle is connected with the baffle through the connecting bearing, the driving piece is further arranged on the installation support, a transmission gear is arranged outside the limiting rotating shaft, and the output end of the driving piece is mechanically connected with the transmission gear. ​ ​ ​ ​ ​ 5.The solid-liquid separation treatment equipment for paint spraying waste treatment according to claim 4, characterized in that the driving member comprises a driving motor, a gear reduction box and an output gear, the driving motor is installed on the mounting bracket, an output end of the driving motor is provided with the gear reduction box, an output end of the gear reduction box is provided with the output gear, and the output gear is engaged with the transmission gear. 6.The solid-liquid separation treatment equipment for paint spraying waste treatment according to claim 2, characterized in that the solid-liquid separation treatment equipment for paint spraying waste treatment further comprises a protective plate, a through slot is provided through the sliding seat, the protective plate is arranged in the through slot, and both ends of the protective plate are connected with both ends of the sliding rail respectively. 7.The solid-liquid separation treatment equipment for paint spraying waste treatment according to claim 6, characterized in that both sides of both ends of the protective plate are provided with fixing blocks, one end of each fixing block is connected with the side of the protective plate, and the other end of each fixing block is connected with the side of the sliding rail. ​ ​ ​