CN219333415U - Gypsum dehydrator for wet flue gas desulfurization - Google Patents
Gypsum dehydrator for wet flue gas desulfurization Download PDFInfo
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- CN219333415U CN219333415U CN202320703059.1U CN202320703059U CN219333415U CN 219333415 U CN219333415 U CN 219333415U CN 202320703059 U CN202320703059 U CN 202320703059U CN 219333415 U CN219333415 U CN 219333415U
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- flue gas
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Abstract
The utility model discloses a gypsum dehydrator for wet flue gas desulfurization, which comprises a frame, wherein a gypsum dehydrator main body is arranged on the frame, the gypsum dehydrator main body comprises a conveying structure, a material receiving structure is arranged below the tail end of the conveying structure, the material receiving structure comprises a material receiving box, a discharge hole is formed in the lower part of one side wall of the material receiving box, which is far away from the frame, the end, close to the frame, of the material receiving box is hinged to the frame, the end, far away from the frame, of the material receiving box is connected to the frame through a telescopic structure, and the telescopic structure is used for limiting the inclination of the material receiving box. The utility model is provided with the receiving structure, so that the discharging of the gypsum filter cake is tidy, meanwhile, the receiving box can be obliquely adjusted, the continuous and stable discharging of the dehydrator gypsum is ensured, the continuous discharging of the dehydrator gypsum is ensured, the receiving and discharging of the receiving structure are stable, the relative storage can be realized during the discharging and transferring of the gypsum, the discharging is carried out, and the treatment efficiency of the filter cake after the dehydration of gypsum slurry is ensured.
Description
Technical Field
The utility model relates to the technical field of flue gas desulfurization wastewater treatment equipment, in particular to a gypsum dehydrator for wet flue gas desulfurization.
Background
The flue gas generated by the fire coal of the power plant contains harmful substances such as oxysulfide and the like, and the flue gas can be discharged into the air after desulfurization treatment reaches the standard. The conventional flue gas desulfurization method comprises wet desulfurization, which is mainly realized by spraying desulfurization slurry, typically limestone-gypsum slurry, on flue gas in a desulfurization tower, and the wastewater generated after the wet desulfurization of the flue gas also needs to be treated. At present, the slurry is generally treated by dehydration by a dehydrator to realize solid-liquid separation. Specifically, the slurry is sent to the filter cloth of the vacuum belt dehydrator, the filter cloth is conveyed by a heavy rubber belt, a groove is transversely formed in the rubber belt, a through hole is formed in the middle of the rubber belt, so that liquid can be sucked into a vacuum box, filtrate and air are pumped to a vacuum main pipe at the same time, the filtrate and the air in the vacuum main pipe enter a gas-liquid separator for gas-water separation, the top outlet of the gas-liquid separator is connected with a vacuum pump, and the gas is pumped away by the vacuum pump. The separated filtrate enters a filtrate receiving water tank from an outlet at the bottom of the gas-liquid separator, and the slurry is pumped in vacuum, passes through a filtering part, a cleaning part and a dewatering part to form a qualified filter cake, and is discharged. In the existing slurry treatment site, after gypsum forms a filter cake, the filter cake is generally positioned at a high position, and the blanking of the filter cake also directly falls on the ground from a high position, is piled on the ground and is cleaned. However, this approach has the problem of inconvenient field clutter cleaning. In order to solve the above problems, the prior chinese patent No. 202022179009.7 discloses a desulfurization gypsum dehydrator, which uses a receiving hopper to receive a filter cake and then turns over the receiving hopper to discharge, however, when the dehydrator turns over to discharge, a filter cake conveying structure of the dehydrator is stopped, otherwise, there is still a condition of discharging on the ground, and there is room for improvement.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide a gypsum dehydrator which is convenient for stable and clean unloading of gypsum filter cakes.
In order to achieve the purpose, the gypsum dehydrator for wet flue gas desulfurization adopts the following technical scheme:
the utility model provides a gypsum hydroextractor for flue gas wet flue gas desulfurization, includes the frame, be provided with the gypsum hydroextractor main part in the frame, the gypsum hydroextractor main part includes conveying structure, conveying structure terminal below is provided with and connects the material structure, connect the material structure including connecing the workbin, connect the workbin to keep away from a lateral wall lower part of frame and seted up the discharge gate, connect the workbin to be close to the one end of frame and hinge in the frame, keep away from the one end of frame and pass through extending structure and connect in the frame, extending structure is used for spacing slope that connects the workbin.
The utility model relates to a gypsum dehydrator for wet flue gas desulfurization, which is further improved in that a scraper is further arranged on a frame, the scraper is downwards and obliquely arranged from one side close to a conveying structure, the upper end of the scraper is close to the conveying structure and is used for scraping a filter cake, and the lower end of the scraper is arranged right above a material receiving box.
The utility model relates to a gypsum dehydrator for wet flue gas desulfurization, which is further improved in that one end, far away from a frame, of the lower side of the bottom surface of a material receiving box is connected with an extension guide plate in a sliding manner.
The utility model relates to a gypsum dehydrator for wet flue gas desulfurization, which is further improved in that one end, far away from a frame, of the lower side of the bottom surface of a receiving box is provided with a fixed block, the fixed block is rotationally connected with a fixed plate, and the fixed plate is in sliding connection with an extension guide plate.
The utility model relates to a gypsum dehydrator for wet flue gas desulfurization, which is further improved in that a height difference exists between a material receiving box and the bottom of a frame.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model is provided with the receiving structure, so that the discharging of the gypsum filter cake is tidy, meanwhile, the receiving box can be obliquely adjusted, the continuous and stable discharging of the dehydrator gypsum is ensured, the continuous discharging of the dehydrator gypsum is ensured, the receiving and discharging of the receiving structure are stable, the relative storage can be realized during the discharging and transferring of the gypsum, the discharging is carried out, and the treatment efficiency of the filter cake after the dehydration of gypsum slurry is ensured.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
in the figure: 1 frame, 2 conveying structure, 3 connect the workbin, 4 extending structure, 5 scraper, 6 extension baffle, 7 fixed blocks, 8 fixed plates.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in FIG. 1, a gypsum hydroextractor for flue gas wet flue gas desulfurization, which comprises a frame 1, be provided with the gypsum hydroextractor main part in the frame, the gypsum hydroextractor main part includes conveying structure 2, the last gypsum thick liquid of conveying structure forms the filter cake after the vacuum pumping, conveying structure terminal below is provided with and connects the material structure, specifically, connect the material structure to include connecing the workbin 3, connect the workbin to keep away from the lateral wall lower part of frame and seted up the discharge gate, the discharge gate is parallel and level mutually with the bottom surface of connecing the workbin, the one end that the workbin is close to the frame articulates in the frame, the one end that keeps away from the frame is connected in the frame through extending structure 4, extending structure is used for spacing the slope that connects the workbin. The telescopic structure may be a telescopic cylinder or a telescopic hydraulic cylinder. When the gypsum filter cake is unloaded, the telescopic structure contracts, the material receiving box is inclined, the filter cake discharged by the conveying structure passes through the material receiving box and then enters the transfer trolley, when the gypsum filter cake is transported, the telescopic structure is stretched, the material receiving box discharge hole is inclined upwards, the material is suspended, and the material is continuously discharged after the transfer trolley is reset.
Further, the frame is also provided with a scraper 5, the scraper is arranged obliquely downwards from one side close to the conveying structure, the upper end of the scraper is close to the conveying structure and used for scraping off filter cakes, and the lower end of the scraper is arranged right above the material receiving box. The provision of the doctor blade facilitates more efficient stripping of the gypsum cake from the conveying structure.
Further, one end of the lower side of the bottom surface of the material receiving box, which is far away from the rack, is connected with an extension guide plate 6 in a sliding way. The arrangement of the extension guide plate is convenient for guiding the discharge of the filter cake in the material receiving box. Further, one end of the lower side of the bottom surface of the material receiving box, which is far away from the rack, is provided with a fixing block 7, two groups of fixing blocks can be arranged, the fixing block is rotationally connected with a fixing plate, the fixing plate rotates between the two groups of fixing blocks, and the fixing plate is in sliding connection with the extension guide plate. The rotation connection mode and the sliding connection mode can be conventional locating pin locating hole limit connection or automatic control by using a motor or a telescopic oil cylinder. The angle and the length of the extension guide plate relative to the material receiving box can be adjusted, so that the filter cakes can be conveniently and rapidly guided to the transport vehicles parked at different positions.
Further, a height difference exists between the material receiving box and the bottom of the frame. The approach of the transfer vehicle is convenient.
The working principle of the utility model is as follows: the gypsum slurry is pumped in vacuum on the conveying structure to form a filter cake, the filter cake is conveyed to the tail end for discharging, when the gypsum filter cake is discharged, the telescopic structure contracts, the material receiving box is inclined, the filter cake discharged by the conveying structure passes through the material receiving box and then enters the transfer trolley, when the gypsum filter cake is transferred, the telescopic structure is stretched, the material receiving box discharge hole is inclined upwards to suspend discharging, and the discharging is continued after the transfer trolley is reset. When the transfer equipment is different or the parking positions are different, the extension guide plate is adjusted, so that the neatness of unloading is ensured.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. A gypsum dehydrator for wet flue gas desulfurization is characterized in that: including the frame, be provided with the gypsum hydroextractor main part in the frame, the gypsum hydroextractor main part includes conveying structure, conveying structure terminal below is provided with and connects the material structure, connect the material structure including connecing the workbin, connect the workbin to keep away from a lateral wall lower part of frame and seted up the discharge gate, connect the workbin to be close to the one end of frame and articulate in the frame, keep away from the one end of frame and pass through extending structure and connect in the frame, extending structure is used for spacing slope that connects the workbin.
2. A gypsum dehydrator for wet flue gas desulfurization according to claim 1, wherein: the scraper is also arranged on the frame, the scraper is downwards obliquely arranged from one side close to the conveying structure, the upper end of the scraper is close to the conveying structure and is used for scraping off filter cakes, and the lower end of the scraper is arranged right above the material receiving box.
3. A gypsum dehydrator for wet flue gas desulfurization according to claim 1, wherein: one end of the lower side of the bottom surface of the material receiving box, which is far away from the rack, is connected with an extension guide plate in a sliding way.
4. A gypsum dehydrator for wet flue gas desulfurization according to claim 3, wherein: the one end that the frame was kept away from to material receiving case bottom surface downside is provided with the fixed block, and the fixed block rotates to be connected with the fixed plate, and fixed plate and extension baffle looks sliding connection.
5. A gypsum dehydrator for wet flue gas desulfurization according to claim 1, wherein: the height difference is arranged between the material receiving box and the bottom of the frame.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202320703059.1U CN219333415U (en) | 2023-03-30 | 2023-03-30 | Gypsum dehydrator for wet flue gas desulfurization |
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CN202320703059.1U CN219333415U (en) | 2023-03-30 | 2023-03-30 | Gypsum dehydrator for wet flue gas desulfurization |
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CN219333415U true CN219333415U (en) | 2023-07-14 |
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CN202320703059.1U Active CN219333415U (en) | 2023-03-30 | 2023-03-30 | Gypsum dehydrator for wet flue gas desulfurization |
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- 2023-03-30 CN CN202320703059.1U patent/CN219333415U/en active Active
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