CN114377441A - Mud scraper for dual-alkali flue gas desulfurization process - Google Patents

Mud scraper for dual-alkali flue gas desulfurization process Download PDF

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Publication number
CN114377441A
CN114377441A CN202210122701.7A CN202210122701A CN114377441A CN 114377441 A CN114377441 A CN 114377441A CN 202210122701 A CN202210122701 A CN 202210122701A CN 114377441 A CN114377441 A CN 114377441A
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CN
China
Prior art keywords
bottom side
tank body
flue gas
gas desulfurization
driving mechanism
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210122701.7A
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Chinese (zh)
Inventor
闫俊
施维
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Anhui Yuanjin Jinyuan Calcium Industry Co ltd
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Anhui Yuanjin Jinyuan Calcium Industry Co ltd
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Application filed by Anhui Yuanjin Jinyuan Calcium Industry Co ltd filed Critical Anhui Yuanjin Jinyuan Calcium Industry Co ltd
Priority to CN202210122701.7A priority Critical patent/CN114377441A/en
Publication of CN114377441A publication Critical patent/CN114377441A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/18Construction of the scrapers or the driving mechanisms for settling tanks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D19/00Degasification of liquids
    • B01D19/0042Degasification of liquids modifying the liquid flow
    • B01D19/0052Degasification of liquids modifying the liquid flow in rotating vessels, vessels containing movable parts or in which centrifugal movement is caused

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treating Waste Gases (AREA)

Abstract

The invention discloses a mud scraper for a dual-alkali flue gas desulfurization process, which relates to the technical field of precipitate separation and comprises a tank body support, a lifting mechanism and a driving mechanism, wherein a tank body is installed at the upper end of the tank body support, a discharge groove is formed in the bottom side of the tank body, a bridge frame is installed at the upper end of the tank body, the driving mechanism is installed at the upper end of the bridge frame, a rotating frame is installed at the output end of the driving mechanism, the lifting mechanism is installed on the side wall of the driving mechanism, the lifting mechanism is used for lifting the driving mechanism, a support frame is installed at the upper end of the bridge frame, the bottom side of the support frame is rotatably connected with a central rod, a plurality of scrapers are installed at the tail end of the central rod, and the scrapers rotate in the discharge groove and prevent the discharge groove from being blocked. According to the invention, the hydraulic motor drives the reduction gear to rotate, then the support plate rotates to drive the central rod to rotate, the scraper cleans the inner wall of the discharge groove, the rake body rotates to clean sediments on the bottom side of the tank body, the hydraulic rod pushes the bearing box to lift up, the pressure of the rake body is reduced, and the scraper continues to clean the discharge groove to avoid blockage.

Description

Mud scraper for dual-alkali flue gas desulfurization process
Technical Field
The invention relates to the technical field of precipitate separation, in particular to a mud scraper for a dual-alkali flue gas desulfurization process.
Background
At present, the wet limestone/lime-gypsum method is dominant in the current flue gas desulfurization technology, but a desulfurization tower is easy to scale and even block. In order to overcome the disadvantage that limestone/lime-gypsum wet process is easy to scale and block, a double alkali method is developed. The soda-lime-soda process uses soda (sodium hydroxide or sodium carbonate) as an absorbent and adopts a process of regenerating the soda by lime.
Need concentrated pond and mud scraper to carry out the separation operation to the precipitate usually in the regeneration process, assemble the precipitate to blow-off tank department through set up the pivoted rake body in the cell body and arrange the material operation, and be equipped with the scraper in arranging the material and prevent blockking up usually, when the precipitate in the cell body is more, the resistance that the rake body received can increase, at this moment, not only be difficult for gathering the precipitate to blow-off tank, still can increase upper end actuating mechanism's resistance, cause actuating mechanism's damage, if simultaneously with rake body and scraper lifting simultaneously, though the resistance of rake body and scraper has been reduced, nevertheless blow-off tank inside is piled up the blockage by the precipitate easily, the precipitate of difficult discharge. Therefore, a mud scraper for a dual alkali flue gas desulfurization process is needed to solve the above problems.
Disclosure of Invention
The invention aims to provide a mud scraper for a dual-alkali flue gas desulfurization process, so as to solve the defects in the prior art.
The utility model provides a mud scraper for two alkali method flue gas desulfurization processes, includes cell body support, hoist mechanism and actuating mechanism, the cell body is installed to the upper end of cell body support, the bottom side of cell body is equipped with row's silo, the crane span structure is installed to the upper end of cell body, actuating mechanism installs in the upper end of crane span structure, the swivel mount is installed to actuating mechanism's output, just hoist mechanism is installed to actuating mechanism's lateral wall, hoist mechanism is used for lifting actuating mechanism, the support frame is installed to the upper end of crane span structure, just the bottom side of support frame is rotated and is connected with well core rod, a plurality of scrapers are installed to well core rod's end, the scraper rotates in row's silo and prevents to arrange the silo jam.
Preferably, the lifting mechanism comprises a guide rod vertically arranged on the upper end face of the bridge frame, a bearing box is connected onto the guide rod in a sliding mode, hydraulic rods are arranged on two sides of the bearing box, and the output ends of the hydraulic rods abut against the upper end face of the bridge frame.
Preferably, the driving mechanism comprises a plurality of hydraulic motors arranged at the upper end of the bearing box, the output end of each hydraulic motor is connected with a driving gear, the driving gear is meshed with a reduction gear, the reduction gear is rotatably connected to the inner bottom side of the bearing box, a sleeve is arranged at the bottom side of the reduction gear, a supporting plate is arranged at the bottom side of the sleeve, and the bottom side of the supporting plate is connected to one end of the rotating frame.
Preferably, a guide block is arranged at the bottom side of the central rod close to the bridge, a through groove is formed in the supporting disc, the supporting disc is sleeved on the guide block through the through groove, and the supporting disc can slide up and down along the guide block.
Preferably, a steady flow cylinder is installed on the bottom side of the bridge frame, the steady flow cylinder is sleeved on the outer side of the rotating frame, a defoaming groove is formed in the upper end of the steady flow cylinder, a conveying pipe is installed on one side of the bridge frame, and the tail end of the conveying pipe is connected into the defoaming groove.
Preferably, the harrow body is arranged at the position, close to the bottom side in the tank body, of the rotating frame, the plurality of stirring rods are arranged at the position, located inside the flow stabilizing cylinder, of the rotating frame, and the guide plate is arranged at the position, located at the bottom side of the flow stabilizing cylinder, of the rotating frame.
Preferably, a pressure sensor is installed on the side wall of the discharge groove, and a circulating water tank is arranged on the inner wall of the upper side of the tank body.
The invention has the advantages that: the invention drives a driving gear to rotate through a hydraulic motor, drives a sleeve to rotate through a reduction gear, then drives a supporting disk to rotate and drives a central rod to rotate through a through groove and a guide block, a scraper at the tail end of the central rod rotates and cleans the inner wall of a discharge groove, meanwhile, the supporting disk drives a rotating frame to rotate and drives a rake body to rotate and clean sediment at the bottom side of a pool body, when the sediment in the pool body is excessive, a hydraulic rod is started, the hydraulic rod pushes a bearing box to lift up, and drives the supporting disk to slide upwards along the guide block through the sleeve, then the rotating frame is lifted up to reduce the pressure of the rake body, the position of the central rod is unchanged, the scraper continuously cleans the discharge groove, the sediment is prevented from blocking the discharge groove after simultaneously lifting the rake body and the scraper, meanwhile, a stirring rod arranged on the rotating frame rotates along with the rotating frame, the defoaming speed of a mixture at the upper end is increased, and the sediment at the bottom side of the pool body is prevented from floating due to a mixed liquid with gas, affecting the separation effect.
Drawings
Fig. 1 is a schematic structural view of the whole of the present invention.
FIG. 2 is a schematic structural view of the interior of the tank body of the present invention.
Fig. 3 is a schematic structural diagram of the interior of the lifting mechanism of the present invention.
Fig. 4 is a schematic structural view of the lifting rod and the rotating frame of the present invention.
Fig. 5 is an enlarged schematic view of a in fig. 4.
FIG. 6 is a schematic structural view of the bottom side of the tank body of the present invention.
Fig. 7 is a schematic structural diagram of the flow stabilizing cylinder of the invention.
Wherein: 1-a tank body support; 2-a lifting mechanism; 3-a drive mechanism; 4-a pool body; 5-a discharge groove; 6-a bridge frame; 7-a rotating frame; 8-a support frame; 9-a central rod; 10-a scraper; 11-a guide bar; 12-a supporting box; 13-a hydraulic lever; 14-a hydraulic motor; 15-a drive gear; 16-a reduction gear; 17-a sleeve; 18-a support disk; 19-a guide block; 20-through grooves; 21-a flow stabilizing cylinder; 22-a rotating frame; 23-a defoaming tank; 24-a conveying pipeline; 25-rake body; 26-a stirring rod; 27-a deflector; 28-a pressure sensor; 29-circulating water tank.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-7, a mud scraper for double alkali flue gas desulfurization process, including cell body support 1, hoist mechanism 2 and actuating mechanism 3, cell body 4 is installed to the upper end of cell body support 1, the bottom side of cell body 4 is equipped with row silo 5, crane span structure 6 is installed to the upper end of cell body 4, actuating mechanism 3 is installed in the upper end of crane span structure 6, swivel mount 7 is installed to actuating mechanism 3's output, just hoist mechanism 2 is installed to actuating mechanism 3's lateral wall, hoist mechanism 2 is used for lifting actuating mechanism 3 on, support frame 8 is installed to crane span structure 6's upper end, just the bottom side of support frame 8 rotates and is connected with well core rod 9, a plurality of scrapers 10 are installed to well core rod 9's end, scraper 10 rotates in row silo 5 and prevents to arrange silo 5 jam.
In this embodiment, the lifting mechanism 3 includes a guide rod 11 vertically installed on the upper end surface of the bridge frame 6, a support box 12 is slidably connected to the guide rod 11, hydraulic rods 13 are installed on two sides of the support box 12, and output ends of the hydraulic rods 13 abut against the upper end surface of the bridge frame 6.
In this embodiment, the driving mechanism 2 includes a plurality of hydraulic motors 14 installed at the upper end of the bearing box 12, the output end of the hydraulic motor 14 is connected with a driving gear 15, the driving gear 15 is connected with a reduction gear 16 in a meshing manner, the reduction gear 16 is rotatably connected to the inner bottom side of the bearing box 12, a sleeve 17 is installed at the bottom side of the reduction gear 16, a supporting plate 18 is installed at the bottom side of the sleeve 17, and the bottom side of the supporting plate 18 is connected to one end of the rotating frame 7. The hydraulic rod 13 and the hydraulic motor 14 are both connected to a hydraulic system, and since the hydraulic system is a conventional art, a specific structure is not disclosed herein.
In this embodiment, a guide block 19 is disposed at the bottom side of the central rod 9 close to the bridge 6, a through slot 20 is disposed on the support plate 18, the support plate 18 is sleeved on the guide block 19 through the through slot 20, and the support plate 18 can slide up and down along the guide block 19.
In this embodiment, a steady flow cylinder 21 is installed at the bottom side of the bridge frame 6, the steady flow cylinder 21 is sleeved outside the rotating frame 22, a defoaming groove 23 is formed in the upper end of the steady flow cylinder 21, a material conveying pipe 24 is installed at one side of the bridge frame 6, and the tail end of the material conveying pipe 24 is connected in the defoaming groove 23.
In this embodiment, a rake body 25 is installed at the position of the rotating frame 6 close to the bottom side in the tank body 4, a plurality of stirring rods 26 are installed at the position of the rotating frame 7 located inside the flow stabilizing cylinder 21, and a guide plate 27 is installed at the position of the rotating frame 6 located at the bottom side of the flow stabilizing cylinder 21.
In this embodiment, a pressure sensor 28 is installed on the side wall of the discharge tank 5, and a circulating water tank 29 is provided on the upper inner wall of the tank body 4. The pressure sensor 28 is electrically connected to the control circuit, and the hydraulic motor 14 is internally provided with a hydraulic sensor, when the hydraulic sensor reaches a preset value, the hydraulic rod 13 is started to drive the entire driving mechanism 3 and the rotating frame 7 to lift up, so as to reduce the rotation resistance of the rake body 25.
The working principle of the invention is as follows: the mixed liquid mixed with the precipitate is conveyed into a defoaming groove 23 of a steady flow cylinder 21 from a conveying pipe 24 for defoaming, the mixed liquid is uniformly sprayed to the periphery of the tank body 4 through a guide plate 27, when the tank body 4 is full, the upper regenerated liquid is continuously fed along with the conveying pipe 24 and then lifted on the liquid level and flows into a circulating water tank 29 for recycling operation, at the moment, a hydraulic motor 14 is started to drive a driving gear 15 to rotate, a reduction gear 16 is used for reducing the speed to drive a sleeve 17 to rotate, then the sleeve 17 drives a supporting plate 18 and a rotating frame 7 to rotate, the supporting plate 18 drives a guide block 19 to rotate through a through groove 20, so that a central rod 9 rotates, then a scraper 10 at the tail end of the central rod 9 rotates and prevents the accumulation in a discharging groove 5, the rotating frame 22 rotates to drive a stirring rod 26, a rake body 25 and the guide plate 27 to rotate, the defoaming speed is increased through the stirring rod 26, and the precipitate at the bottom side in the tank body 4 is gathered in the discharging groove 5 through the rake body 25, evenly carry mixed liquid to cell body 4 all around through guide plate 27, when the excessive rake body 25 rotational resistance of deposit in the cell body 4 increases, hydraulic stem 13 starts, hydraulic stem 13's output promotes bearing box 12 and upwards moves along guide arm 11, reduction gear 16 upwards moves, and drive sleeve 17 and drive supporting disk 18 and upwards move along guide block 19 through leading to groove 20, and simultaneously, well core rod 9 position is unchangeable to continue to rotate, when arranging the pressure sensor 28 of material groove 5 bottom side and reaching the default, arrange material groove 5 and arrange the material operation.
The invention drives a driving gear 15 to rotate through a hydraulic motor 14, drives a sleeve 17 to rotate through a reduction gear 16, then drives a supporting plate 18 to rotate and drives a central rod 9 to rotate through a through groove 20 and a guide block 19, a scraper 10 at the tail end of the central rod 9 rotates and cleans the inner wall of a discharge groove 5, simultaneously the supporting plate 18 drives a rotating frame 7 to rotate and drives a rake body 25 to rotate and clean sediment at the bottom side of a pool body 4, when the sediment in the pool body is excessive, a hydraulic rod 13 is started, the hydraulic rod 13 pushes a bearing box 12 to be lifted, the supporting plate 18 is driven by the sleeve 17 to slide upwards along the guide block 19, then the rotating frame 7 is lifted upwards, the pressure of the rake body 25 is reduced, the position of the central rod 9 is unchanged, the scraper 10 continuously cleans the discharge groove 5, the sediment is prevented from causing the blockage of the discharge groove 5 after the rake body 25 and the scraper 10 are lifted simultaneously, and a stirring rod 26 arranged on the rotating frame 7 rotates along with the rotating frame 7, the defoaming speed of the mixture at the upper end is increased, and the phenomenon that the mixture with gas causes the floating of the sediment at the bottom side of the tank body to influence the separation effect is avoided.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.

Claims (7)

1. A mud scraper for double alkali flue gas desulfurization process, its characterized in that: comprises a tank body bracket (1), a lifting mechanism (2) and a driving mechanism (3), the upper end of the tank body support (1) is provided with a tank body (4), the bottom side of the tank body (4) is provided with a discharge groove (5), the upper end of the tank body (4) is provided with a bridge frame (6), the driving mechanism (3) is arranged at the upper end of the bridge frame (6), the output end of the driving mechanism (3) is provided with a rotating frame (7), and the side wall of the driving mechanism (3) is provided with a lifting mechanism (2), the lifting mechanism (2) is used for lifting the driving mechanism (3), the upper end of the bridge (6) is provided with a supporting frame (8), a central rod (9) is rotatably connected at the bottom side of the supporting frame (8), a plurality of scrapers (10) are arranged at the tail end of the central rod (9), the scraper (10) rotates in the discharge groove (5) and prevents the discharge groove (5) from being blocked.
2. The mud scraper for the dual alkali flue gas desulfurization process according to claim 1, wherein: the lifting mechanism (3) comprises a guide rod (11) vertically installed on the upper end face of the bridge (6), a bearing box (12) is connected onto the guide rod (11) in a sliding mode, hydraulic rods (13) are installed on two sides of the bearing box (12), and the output ends of the hydraulic rods (13) are abutted to the upper end face of the bridge (6).
3. The mud scraper for the dual alkali flue gas desulfurization process according to claim 2, characterized in that: actuating mechanism (2) include that a plurality of installs in hydraulic motor (14) of bearing case (12) upper end, the output of hydraulic motor (14) is connected with drive gear (15), drive gear (15) meshing is connected with reduction gear (16), reduction gear (16) rotate to be connected in the interior bottom side of bearing case (12), just sleeve pipe (17) are installed to the bottom side of reduction gear (16), supporting disk (18) are installed to the bottom side of sleeve pipe (17), the bottom side of supporting disk (18) is connected in the one end of swivel mount (7).
4. The mud scraper for the dual alkali flue gas desulfurization process according to claim 2, characterized in that: the bottom side of the center rod (9) close to the bridge (6) is provided with a guide block (19), the supporting disc (18) is provided with a through groove (20), the supporting disc (18) is sleeved on the guide block (19) through the through groove (20), and the supporting disc (18) can slide up and down along the guide block (19).
5. The mud scraper for the dual alkali flue gas desulfurization process according to claim 1, wherein: a steady flow cylinder (21) is installed to the bottom side of crane span structure (6), steady flow cylinder (21) cover is in the outside of swivel mount (22), and the upper end of steady flow cylinder (21) is equipped with defoaming groove (23), conveying pipeline (24) are installed to one side of crane span structure (6), the end connection of conveying pipeline (24) is in defoaming groove (23).
6. The mud scraper for the dual alkali flue gas desulfurization process according to claim 1, wherein: the harrowing machine is characterized in that a harrowing body (25) is arranged at the position, close to the inner bottom side of the tank body (4), of the rotating frame (6), a plurality of stirring rods (26) are arranged at the position, located inside the flow stabilizing cylinder (21), of the rotating frame (7), and a guide plate (27) is arranged at the position, located at the bottom side of the flow stabilizing cylinder (21), of the rotating frame (6).
7. The mud scraper for the dual alkali flue gas desulfurization process according to claim 2, characterized in that: pressure sensor (28) are installed to the lateral wall of row material groove (5), be equipped with circulating water tank (29) on the upside inner wall of cell body (4).
CN202210122701.7A 2022-02-09 2022-02-09 Mud scraper for dual-alkali flue gas desulfurization process Pending CN114377441A (en)

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CN202210122701.7A CN114377441A (en) 2022-02-09 2022-02-09 Mud scraper for dual-alkali flue gas desulfurization process

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CN202210122701.7A CN114377441A (en) 2022-02-09 2022-02-09 Mud scraper for dual-alkali flue gas desulfurization process

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114870443A (en) * 2022-06-09 2022-08-09 中国五洲工程设计集团有限公司 High efficiency is desilt device for industrial waste water treatment

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB460021A (en) * 1935-07-16 1937-01-18 Dorr Oliver N V Improvements in and relating to thickening, stirring or agitating apparatus
CN110935212A (en) * 2019-12-12 2020-03-31 淮北市中芬矿山机器有限责任公司 Large-diameter peripheral hydraulic dual-drive automatic segmental rake-lifting thickener
CN111097204A (en) * 2018-10-29 2020-05-05 扬州新亚环境工程有限公司 Mud scraper
US20200171412A1 (en) * 2017-06-07 2020-06-04 Kadant Black Clawson Llc Improved clarifier with independent sump scraper drive

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB460021A (en) * 1935-07-16 1937-01-18 Dorr Oliver N V Improvements in and relating to thickening, stirring or agitating apparatus
US20200171412A1 (en) * 2017-06-07 2020-06-04 Kadant Black Clawson Llc Improved clarifier with independent sump scraper drive
CN111097204A (en) * 2018-10-29 2020-05-05 扬州新亚环境工程有限公司 Mud scraper
CN110935212A (en) * 2019-12-12 2020-03-31 淮北市中芬矿山机器有限责任公司 Large-diameter peripheral hydraulic dual-drive automatic segmental rake-lifting thickener

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114870443A (en) * 2022-06-09 2022-08-09 中国五洲工程设计集团有限公司 High efficiency is desilt device for industrial waste water treatment
CN114870443B (en) * 2022-06-09 2023-12-12 辽宁绿源再生能源开发有限公司 High-efficiency industrial wastewater treatment mud removing device

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Application publication date: 20220422