CN216395386U

CN216395386U - Mud scraping device of high-pressure filter press

Info

Publication number: CN216395386U
Application number: CN202122582790.7U
Authority: CN
Inventors: 吴传栋; 赵焱; 陆培锋; 王莹; 孙国胜; 刘源; 侯焕强
Original assignee: Guangdong Xiangjun Environmental Protection Equipment Co ltd; Guangdong Yuehai Water Investment Co ltd; National Engineering Research Center for Water Resources of Harbin Institute of Technology Co Ltd
Current assignee: Guangdong Xiangjun Environmental Protection Equipment Co ltd; Guangdong Yuehai Water Investment Co ltd; National Engineering Research Center for Water Resources of Harbin Institute of Technology Co Ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-04-29
Anticipated expiration: 2031-10-26

Abstract

The utility model discloses a mud scraping device of a high-pressure filter press, which comprises a walking frame, a walking trolley, a lifting mechanism and a mud scraping mechanism, wherein the walking frame is arranged above a filter plate component of the filter press, the walking trolley is driven by a walking motor to horizontally move on the walking frame, the lifting mechanism is arranged on the walking frame, the mud scraping mechanism is arranged on the lifting mechanism and can be driven by the lifting mechanism to lift, and the mud scraping mechanism comprises a mud scraper driven by the mud scraping motor to rotate. The automatic mud scraping device can realize full-automatic mud scraping, can reduce labor cost and improve production efficiency, and has good mud scraping effect and high reliability.

Description

Mud scraping device of high-pressure filter press

Technical Field

The utility model mainly relates to the field of mud scraping or discharging devices of high-pressure filter presses.

Background

The filter press is a machine for squeezing and filtering liquid materials, wherein a main squeezing and filtering part is a filter plate assembly, the filter plate assembly is formed by connecting a plurality of filter plate units, each filter plate unit comprises a water template and a material template, when the filter press works, the liquid materials enter filter cloth between the water template and the material template, then pressure is applied to two sides of the water template and the material template to squeeze the liquid out, the squeezed materials become mud cakes and are adhered to the water template and the material template, and the mud cakes need to be removed after squeezing is completed.

The traditional plate-and-frame filter press and diaphragm filter press have the squeezing force of about 1.2MPa, and usually adopt vibration type automatic mud discharging, and the mud discharging method can only discharge heavier mud cakes in a vibration manner under the common situation, and some lighter and sticky mud cakes still need to be matched with manual treatment. The squeezing force of the conventional high-pressure filter press is about 8MPa, the filtered mud cake is light and sticky, the vibration type automatic mud discharging cannot be realized, and the manual mud discharging is generally carried out by manually matching a mud discharging gun which is introduced with compressed air. The two mud discharging operations can be completed by matching with manpower, so that the labor cost is high and the efficiency is lower.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the mud scraping device of the high-pressure filter press can realize full-automatic mud scraping, reduce labor cost, improve production efficiency, and is good in mud scraping effect and high in reliability.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a mud scraping device of high-pressure filter press, includes walking frame, walking dolly, elevating system and scrapes mud mechanism, the filter plate subassembly top of pressure filter is erect to the walking frame, the walking dolly is through walking motor drive walking frame horizontal migration, elevating system installs on the walking frame, it installs on elevating system and can go up and down under elevating system's drive to scrape mud mechanism, it includes by scraping the rotatory mud sword of scraping of mud motor drive to scrape mud mechanism.

Furthermore, the rotation center axle perpendicular to of mud scraper the water template and the material template of filter plate subassembly, mud scraper is two sets ofly, and two sets of mud scrapers are symmetrical arrangement in the both ends of rotation center axle, and wherein a set of mud scraper is used for scraping the mud cake on the water template, and another group mud scraper is used for scraping the mud cake on the material template, and every group mud scraper includes two at least blades of evenly arranging along rotation center axle circumference.

Further, scrape mud mechanism still includes mounting bracket, connecting axle, T type steering gear, scrape the vertical top of installing in the mounting bracket of mud motor, the connecting axle is vertical to be installed on the mounting bracket, it loops through connecting axle, T type steering gear and links to each other with the rotation center pin of scraping the mud sword to scrape the mud motor.

Further, the walking motor drives the walking trolley to move on the walking frame through the first gear rack transmission mechanism.

Furthermore, a first rack and a track are horizontally laid on two sides of the walking frame along the arrangement direction of the filter plate assemblies, a first gear matched with the first rack and a walking wheel used for rolling on the track are arranged on two sides of the walking trolley, and the first gear is driven to rotate by a walking motor.

Further, elevating system includes support frame, elevator motor and matched with second gear and second rack, support frame fixed mounting is on the walking dolly, elevator motor and second gear are installed on the support frame, the second rack is vertical to be installed on scraping mud mechanism, elevator motor drives through the second gear rack drive mechanism that second gear and second rack constitute and scrapes mud mechanism and go up and down.

Further, the mud scraper also comprises a positioning switch used for positioning the position of the mud scraper in the horizontal direction and the position of the mud scraper in the vertical direction.

The positioning switch comprises a start position photoelectric switch, a left limit position photoelectric switch, a right limit position photoelectric switch, an upper limit position photoelectric switch and a lower limit position photoelectric switch; in the process of horizontal movement of the mud scraper, when the photoelectric switch at the initial position responds, the mud scraper is positioned between the water template and the material template of the pulled filter plate assembly in the horizontal direction, when the photoelectric switch at the left limit position responds, the mud scraper just presses close to the water template, and when the photoelectric switch at the right limit position responds, the mud scraper just presses close to the material template; in the vertical moving process of the mud scraper, when the lower limit photoelectric switch responds, the mud scraper is just positioned between the water template and the material template of the filter plate assembly in the vertical direction, and when the upper limit photoelectric switch responds, the mud scraper is positioned above the filter plate assembly.

The mud scraping mechanism is provided with a horizontal photoelectric switch, the blades of the mud scraping knife are two, the two blades are positioned on the same plane, and in the rotating process of the mud scraping knife, when the horizontal photoelectric switch responds, the blades of the mud scraping knife are just in a horizontal state.

Compared with the prior art, the utility model has the advantages that: according to the utility model, the walking trolley and the lifting mechanism respectively drive the mud scraping mechanism to horizontally and vertically move, so that the mud scraping mechanism can automatically enter between the water template and the material template of the filter plate assembly for scraping, manual intervention is not required in the whole mud scraping process, full-automatic mud scraping is realized, the labor cost is effectively reduced, and the production efficiency is improved; and the mud scraper is adopted to scrape mud in a rotating way, so that the mud scraping effect is good, and the reliability is high.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged schematic view of a point a in fig. 1.

Fig. 3 is a schematic view of the working principle of the present invention (mud scraping state).

Fig. 4 is a schematic view of the working principle of the present invention (blade withdrawing state).

Fig. 5 is a schematic view of a transmission connection structure of the lifting mechanism and the mud scraping mechanism in the utility model.

Reference numerals: a walking frame 1; a traveling trolley 2; a lifting mechanism 3; a mud scraping mechanism 4; a filter plate assembly 5; a traveling motor 6; a mud scraping motor 7; a mud scraper 8; a die drawing device 9; a filter plate unit 10; a water template 11; a material template 12; a rotation center shaft 13; a blade 14; a mounting frame 15; a connecting shaft 16; a T-shaped diverter 17; supporting legs 18; a first gear 19; a first rack 20; a rail 21; a road wheel 22; a support frame 23; a lift motor 24; a second gear 25; a second rack 26; a deceleration position photoelectric switch 27; a start position photoelectric switch 28; a left limit photoelectric switch 29; a right limit photoelectric switch 30; an upper limit photoelectric switch 31; a lower limit photoelectric switch 32; a horizontal position photoelectric switch 33; a cross bar 34.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments, and it should be noted that the scope of the present invention is not limited to the following embodiments, and any modifications and alterations made to the present invention without departing from the principle of the present invention should be construed as the scope of the present invention.

As shown in fig. 1 to 4, the mud scraping device of the high-pressure filter press of the present invention comprises a walking frame 1, a walking trolley 2, a lifting mechanism 3 and a mud scraping mechanism 4, wherein the walking frame 1 is erected above a filter plate assembly 5 of the filter press, the walking trolley 2 is driven by a walking motor 6 to move horizontally on the walking frame 1, the lifting mechanism 3 is installed on the walking frame 1, the mud scraping mechanism 4 is installed on the lifting mechanism 3 and can be driven by the lifting mechanism 3 to lift, and the mud scraping mechanism 4 comprises a mud scraping knife 8 driven by a mud scraping motor 7 to rotate.

After the filter pressing operation of the high pressure filter press is completed, the filter plate units 10 of the filter plate assemblies 5 are pulled apart one by the die-pulling device 9 of the high pressure filter press (refer to patent application CN 202022510760.0), so that the water die plates 11 of the filter plate units 10 are separated from the material die plates 12, then the travelling trolley 2 drives the mud scraping mechanism 4 to move horizontally above the pulled filter plate units 10, then the lifting mechanism 3 drives the mud scraping mechanism 4 to descend between the water die plates 11 and the material die plates 12, then the mud scraping motor 7 is started to rotate the mud scraping knife 8, the travelling trolley 2 drives the mud scraping mechanism 4 to move horizontally towards the water die plates 11 and the material die plates 12 successively to scrape mud, and mud cakes adhered on the water die plates 11 and the material die plates 12 are scraped. After the mud scraping is finished, the lifting mechanism 3 drives the mud scraping mechanism 4 to ascend to the initial position. The whole mud scraping process does not need manual intervention, full-automatic mud scraping is realized, and the production efficiency is effectively improved; and adopt 8 rotatory mud scrapers of mud scraper, it is effectual to scrape mud, and the reliability is high.

The rotation central shaft 13 of the mud scraper 8 is perpendicular to the water template 11 and the material template 12 of the filter plate assembly 5, the mud scraper 8 is divided into two groups, two groups of mud scrapers 8 are symmetrically arranged at two ends of the rotation central shaft 13, one group of mud scrapers 8 is used for scraping mud cakes on the water template 11, and the other group of mud scrapers 8 is used for scraping mud cakes on the material template 12. Each group of mud scraper 8 comprises at least two blades 14 which are uniformly arranged along the circumferential direction of the rotating central shaft 13, and the blades 14 are long-strip-shaped. When in mud scraping, the mud scraping knife 8 gradually approaches to the water template 11 or the material template 12, and mud cakes on the water template 11 or the material template 12 are scraped off through the outer side edge of the blade 14. In order to achieve a better mud scraping effect, mud scraping comb teeth are arranged on the outer side edge of the blade 14.

The mud scraping mechanism 4 further comprises an installation frame 15, a connection shaft 16 and a T-shaped steering gear 17, the installation frame 15 is a vertically arranged long frame or a vertically arranged shell, the mud scraping motor 7 is vertically installed at the top of the installation frame 15, the connection shaft 16 is vertically installed in the installation frame 15, the rotation center shaft 13 of the mud scraping knife 8 is horizontally installed at the bottom of the installation frame 15, and the mud scraping motor 7 is sequentially connected with the rotation center shaft 13 of the mud scraping knife 8 through the connection shaft 16 and the T-shaped steering gear 17.

The walking frame 1 is a rectangular bracket and is erected above the filter plate assembly 5 through supporting legs 18. The walking trolley 2 is a square frame, the walking motor 6 is installed on the walking trolley 2, the walking motor 6 drives the walking trolley 2 to move on the walking frame 1 through a first gear and rack transmission mechanism, and the first gear and rack transmission mechanism comprises a first gear 19 and a first rack 20. Specifically, a first rack 20 and a rail 21 are horizontally laid on both sides of the traveling frame 1 along the arrangement direction of the filter plate assemblies 5, a first gear 19 for engaging with the first rack 20 and a traveling wheel 22 for rolling on the rail 21 are provided on both sides of the traveling carriage 2, and the first gear 19 is driven to rotate by the traveling motor 6.

As shown in fig. 5, the lifting mechanism 3 includes a supporting frame 23, a lifting motor 24, and a second gear 25 and a second rack 26 which are matched with each other, the supporting frame 23 is fixedly installed on the traveling trolley 2, the lifting motor 24 and the second gear 25 are installed on the supporting frame 23, the second rack 26 is vertically installed on the mud scraping mechanism 4, and specifically, the second rack 26 is vertically installed on the mounting frame 15 of the mud scraping mechanism 4. The lifting motor 24 drives the mud scraping mechanism 4 to lift through a second gear 25 rack transmission mechanism formed by a second gear 25 and a second rack 26.

The present embodiment further includes a positioning switch for positioning the position of the mud scraper 8 in the horizontal direction and the position in the vertical direction. Specifically, the positioning switches include a deceleration photoelectric switch 27, a start photoelectric switch 28, a left limit photoelectric switch 29, a right limit photoelectric switch 30, an upper limit photoelectric switch 31, and a lower limit photoelectric switch 32. In the horizontal moving process of the mud scraper 8, when the speed reduction position photoelectric switch 27 responds, the walking trolley 2 starts to reduce the speed; when the photoelectric switch 28 at the start position responds, the walking trolley 2 stops, and the mud scraper 8 is positioned between the water template 11 and the material template 12 of the pulled filter plate assembly 5 in the horizontal direction; when the left limit photoelectric switch 29 responds, the mud scraper 8 just approaches to the water template 11, and the mud scraper 8 just completes mud scraping operation on the water template 11; when the right limit photoelectric switch 30 responds, the mud scraper 8 just abuts against the material template 12, and the mud scraper 8 just completes the mud scraping operation on the material template 12. In the vertical moving process of the mud scraper 8, when the lower limit photoelectric switch 32 responds, the mud scraper 8 is just positioned between the water template 11 and the material template 12 of the filter plate assembly 5 in the vertical direction; when the upper limit photoelectric switch 31 responds, the mud scraper 8 is positioned above the filter plate assembly 5, namely, is withdrawn upwards from between the water template 11 and the material template 12.

The speed reduction position photoelectric switch 27, the start position photoelectric switch 28, the left limit position photoelectric switch 29 and the right limit position photoelectric switch 30 are arranged on a cross bar 34 of the walking trolley 2, and corresponding photoelectric detection blocks are arranged on each water template 11 and material template 12 of the filter plate assembly 5 of the high-pressure filter press. The upper limit photoelectric switch 31 and the lower limit photoelectric switch 32 are mounted on the support frame 23 of the lifting mechanism 3, and the mounting frame 15 of the mud scraping mechanism 4 is provided with corresponding photoelectric detection blocks. Since the working principle of the photoelectric switch is a mature conventional technology, the description is omitted here, and the position of the photoelectric detection block is also omitted in the drawings.

In this embodiment, the mud scraping mechanism 4 is further provided with a horizontal photoelectric switch 33 for positioning the rotation position of the blade 14 of the mud scraper 8. The blades 14 of the mud scraper 8 are two, the two blades 14 are in the same plane, and when the blades 14 rotate to meet the horizontal photoelectric switch 33, the blades 14 are just in the horizontal state. After the mud scraping is finished, the blade 14 rotates to the horizontal state and stops, so that the interference on the filter plate assembly 5 in the vertical direction can be avoided, the vertical space is saved, the layout is optimized, and the whole structure is more compact.

The working process is as follows: at the beginning of the sludge discharge, the die drawing device 9 of the high-pressure filter press draws the water die plate 11 and the material die plate 12 of one of the filter plate units 10 of the filter plate assembly 5 apart by a certain distance. Then the walking motor 6 drives the mud scraping mechanism 4 to integrally move to the upper part of the gap between the water template 11 and the material template 12, and the speed of the mud scraping mechanism starts to be reduced when meeting the speed reduction position photoelectric switch 27 until meeting the starting position photoelectric switch 28 and stopping. The lifting motor 24 controls the mud scraping mechanism 4 to move downwards, and the mud scraping knife 8 reaches the center of the gap between the water formwork 11 and the material formwork 12 when the photoelectric switch 32 stops at the lower limit position. And then the mud scraping motor 7 drives the mud scraping knife 8 to rotate, after the mud scraping knife 8 rotates, the walking motor 6 drives the mud scraping mechanism 4 to move towards the water template 11, and when the left limit photoelectric switch 29 stops, mud scraping of the water template 11 is completed. And then the walking motor 6 drives the mud scraping mechanism 4 to move towards the material template 12, and the mud scraping of the material template 12 is finished when the right limit position photoelectric switch 30 stops. Then the walking motor 6 drives the mud scraping mechanism 4 to return to the center of the gap between the water template 11 and the material template 12. The mud scraping motor 7 controls the mud scraping knife 8 to rotate and stop when meeting the horizontal photoelectric switch 33, and the blade 14 of the mud scraping knife 8 is in a horizontal state at the moment. And then the lifting motor 24 controls the mud scraping mechanism 4 to move upwards, and the photoelectric switch 31 stops when meeting the upper limit position, so that the mud scraping and discharging action of one period is completed. And then the die drawing device 9 draws the water die plate 11 and the material die plate 12 of the next filter plate unit 10, and the walking motor 6 drives the mud scraping mechanism 4 to enter the mud scraping and discharging action of the next period, and the operation is circulated.

Claims

1. The utility model provides a mud scraping device of high pressure filter press which characterized in that: including walking frame, walking dolly, elevating system and scrape mud mechanism, the walking frame erects in the filter plate subassembly top of pressure filter, the walking dolly is through walking motor drive walking frame horizontal migration, elevating system installs on the walking frame, it installs on elevating system and can go up and down under elevating system's drive to scrape mud mechanism, it includes by scraping the rotatory mud sword of scraping of mud motor drive to scrape mud mechanism.

2. The mud scraping apparatus for a high-pressure filter press according to claim 1, wherein: the rotation center axis perpendicular to of mud scraper the water template and the material template of filter plate subassembly, mud scraper is two sets ofly, and two sets of mud scrapers are the symmetrical arrangement in the both ends of rotation center axis, and wherein a set of mud scraper is used for scraping the mud cake on the water template, and another group mud scraper is used for scraping the mud cake on the material template, and every group mud scraper includes two at least blades of evenly arranging along rotation center axis circumference.

3. A mud scraping device for a high-pressure filter press according to claim 1 or 2, wherein: the mud scraping mechanism further comprises a mounting frame, a connecting shaft and a T-shaped steering gear, the mud scraping motor is vertically installed at the top of the mounting frame, the connecting shaft is vertically installed on the mounting frame, and the mud scraping motor is connected with a rotating center shaft of the mud scraping knife through the connecting shaft and the T-shaped steering gear in sequence.

4. A mud scraping device for a high-pressure filter press according to claim 1 or 2, wherein: the walking motor drives the walking trolley to move on the walking frame through the first gear rack transmission mechanism.

5. The mud scraping apparatus for a high-pressure filter press according to claim 4, wherein: the filter plate assembly device is characterized in that first racks and a track are horizontally laid on two sides of the walking frame along the arrangement direction of the filter plate assemblies, first gears matched with the first racks and walking wheels used for rolling on the track are arranged on two sides of the walking trolley, and the first gears are driven to rotate through a walking motor.

6. A mud scraping device for a high-pressure filter press according to claim 1 or 2, wherein: the lifting mechanism comprises a support frame, a lifting motor, a second gear and a second rack which are matched, the support frame is fixedly installed on the walking trolley, the lifting motor and the second gear are installed on the support frame, the second rack is vertically installed on the mud scraping mechanism, and the lifting motor drives the mud scraping mechanism to lift through a second gear rack transmission mechanism formed by the second gear and the second rack.

7. A mud scraping device for a high-pressure filter press according to claim 1 or 2, wherein: the mud scraper also comprises a positioning switch used for positioning the position of the mud scraper in the horizontal direction and the position of the mud scraper in the vertical direction.

8. The mud scraping apparatus for a high-pressure filter press according to claim 7, wherein: the positioning switch comprises a start position photoelectric switch, a left limit position photoelectric switch, a right limit position photoelectric switch, an upper limit position photoelectric switch and a lower limit position photoelectric switch; in the process of horizontal movement of the mud scraper, when the photoelectric switch at the initial position responds, the mud scraper is positioned between the water template and the material template of the pulled filter plate assembly in the horizontal direction, when the photoelectric switch at the left limit position responds, the mud scraper just presses close to the water template, and when the photoelectric switch at the right limit position responds, the mud scraper just presses close to the material template; in the vertical moving process of the mud scraper, when the lower limit photoelectric switch responds, the mud scraper is just positioned between the water template and the material template of the filter plate assembly in the vertical direction, and when the upper limit photoelectric switch responds, the mud scraper is positioned above the filter plate assembly.

9. The mud scraping apparatus for a high-pressure filter press according to claim 2, wherein: the mud scraping mechanism is provided with a horizontal photoelectric switch, the blades of the mud scraping knife are two, the two blades are positioned on the same plane, and in the rotating process of the mud scraping knife, when the horizontal photoelectric switch responds, the blades of the mud scraping knife are just in a horizontal state.