CN214019504U

CN214019504U - Scraper type filter capable of continuously discharging dry slag

Info

Publication number: CN214019504U
Application number: CN202022472071.5U
Authority: CN
Inventors: 江国强; 王金柱; 延兴鑫; 张劲
Original assignee: Jiangsu Lian He Filtering Technology Co ltd
Current assignee: Jiangsu Lian He Filtering Technology Co ltd
Priority date: 2020-10-31
Filing date: 2020-10-31
Publication date: 2021-08-24
Anticipated expiration: 2030-10-31

Abstract

The utility model discloses a scraper formula filter that can discharge dry sediment in succession, including scraper formula filter body, scraper formula filter body's bottom is connected and is installed an album dirty chamber, and an album dirty chamber is connected through first fastening bolt fastening with filter body, and the frame is installed in the left side in album dirty chamber, and the speed reducer is installed in the left side of frame, and driving motor is installed at the top of speed reducer, and the spiral main shaft is installed on the right side of speed reducer, and the spiral main shaft is located the inner chamber center in album dirty chamber, and the left side inner chamber installation of top cap is provided with the sealing washer, scrapes the liquid outlet of scraper formula filter body and arranges the sediment barrel between be connected with the drain pipe. The utility model provides a current scraper formula filter screen when clear speed can not satisfy the speed that this concentration liquid blockked up the filter screen, the filter advances, the export pressure difference value will rise gradually, and the filter screen bears the pressure of this difference, if do not in time open the higher former turbid liquid of valve discharge concentration, the filter screen can be propped open to can discharge the problem of dry sediment in succession.

Description

Scraper type filter capable of continuously discharging dry slag

Technical Field

The utility model relates to a scraper filter technical field specifically is a scraper formula filter of dry sediment of can discharging in succession.

Background

The existing scraper type filter and other filters which can automatically clean the filter screen by scraping impurities by mechanical force have the advantages that solid impurities are intercepted on the inner side of the filter screen along with the flowing of a large amount of process fluid during use, a speed reducing motor drives a main shaft, the impurities are scraped by a scraper, and the concentration of an original turbid liquid cavity of the filter is gradually increased. When the speed of the filter screen for cleaning again cannot meet the speed of the filter screen blocked by the liquid with the concentration, the pressure difference value between the inlet and the outlet of the filter can be gradually increased, the filter screen bears the pressure of the difference value, and if the valve is not opened in time to discharge the original turbid liquid with the higher concentration, the filter screen can be burst. In order to stably operate equipment, the original turbid liquid is generally discharged in a short period and multiple times, so that the concentration of the discharged original turbid liquid is not high, the moisture content is high, the discharge amount is large, and the pipeline production process flow is not favorable. Increases the cost of processing the raw turbid liquid by enterprises, reduces the efficiency and is not beneficial to environmental protection. Some liquid materials are expensive and waste is caused by discharge. Therefore, we have designed a scraper filter that can continuously discharge dry slag.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a but scraper formula filter of continuous discharge dry sediment has solved current scraper formula filter screen and can not satisfy the speed that this concentration liquid blockked up the filter screen at clear speed, and the filter advances, the outlet pressure difference value will rise gradually, and the filter screen bears the pressure of this difference, if do not in time open the higher former turbid liquid of valve discharge concentration, the filter screen can be propped broken problem.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

a scraper type filter capable of continuously discharging dry slag comprises a scraper type filter body, wherein a dirt collecting cavity is connected and installed at the bottom of the scraper type filter body, the scraper type filter body is communicated with the dirt collecting cavity, the dirt collecting cavity is fixedly connected with the filter body through a first fastening bolt, a rack is installed on the left side of the dirt collecting cavity, a speed reducer is installed on the left side of the rack, a driving motor is installed at the top of the speed reducer, a spiral main shaft is installed on the right side of the speed reducer and is located in the center of an inner cavity of the dirt collecting cavity, a first bearing and a sealing piece are arranged at the connection position of the spiral main shaft and the rack, a slag discharging barrel is arranged on the right side of the dirt collecting cavity, the slag discharging barrel is fixedly connected with the dirt collecting cavity through a second fastening piece, a filter cylinder is installed in the inner cavity of the slag discharging barrel, and two connecting bosses are further arranged on the outer side wall of the slag discharging barrel, the inner chamber of connecting the boss is pegged graft and is had three guide arm, and is three the spring has all been cup jointed to the outer wall of guide arm, and the spring is located between two connection bosses, the right side of guide arm is connected with the top cap, the top cap is connected with the right side of spiral main shaft, the top cap is provided with the second bearing with the right side junction of spiral main shaft, the left side intracavity installation of top cap is provided with the sealing washer, scrape the liquid outlet of knife formula filter body and arrange the sediment barrel and be connected with the drain pipe between.

The utility model provides a scraper formula filter of dry sediment of can discharging in succession, the outside of spiral main shaft is provided with helical blade, helical blade is the equal proportion from a left side right pitch and reduces, and helical blade is from a left side right pitch littleer and littleer, and the helical extrusion force also crescent, and former turbid liquid is more and more high by the solid content from a left side right side simultaneously, increases pressure.

In the scraper type filter capable of continuously discharging dry slag, the fastening nut is screwed on the outer wall of the right side of the guide rod, so that the connection strength of the guide rod and the top cover is enhanced.

The scraper type filter capable of continuously discharging dry slag is characterized in that a liquid outlet channel is arranged on the right side of an inner cavity of the slag discharging barrel and connected with a liquid outlet pipe, a liquid collecting tank is arranged between the slag discharging barrel and the filter cylinder, and clear liquid penetrating through the wedge-shaped filter wires due to spiral extrusion in original turbid liquid flows to the right side along a support rib and a strip-shaped cavity formed by the inner wall of the slag discharging barrel to the liquid collecting tank.

In the scraper type filter capable of continuously discharging dry slag, the joint of the sewage collecting cavity and the filter cylinder is also provided with the sealing gasket.

The filter cartridge comprises a filter cartridge ring, and support ribs and wedge-shaped filter wires are arranged on the filter cartridge ring.

In the scraper type filter capable of continuously discharging dry slag, the three guide rods are arranged in an equilateral triangle, so that the connection stability of the guide rods is enhanced.

According to the scraper type filter capable of continuously discharging dry residues, the limiting block is arranged on the outer side of the guide rod, and the spring is arranged between the limiting block and the right side connecting boss.

In the scraper type filter capable of continuously discharging dry slag, the liquid outlet pipe is provided with the one-way valve, and the one-way valve can prevent liquid at the liquid outlet from flowing reversely.

The utility model has the advantages that: after the filter continuously runs, along with the continuous rotation of the spiral main shaft, the raw turbid liquid flowing out of the scraper type filter body is continuously conveyed rightwards, a small amount of clear liquid in the raw turbid liquid penetrates through the wedge-shaped filter wires distributed circumferentially of the filter cylinder due to spiral extrusion and flows to a liquid outlet, because the spiral blades on the spiral main shaft adopt a 'variable pitch spiral' design, the screw pitch is gradually reduced from left to right, the spiral extrusion force is gradually increased, meanwhile, the solid content of the raw turbid liquid from left to right is gradually increased, the top cover is not limited to move leftwards and rightwards in the direction of the axis of the spiral main shaft, along with the continuous accumulation of the content of dry slag, the pushing force of the spiral main shaft conveying the dry slag to the right exceeds the preset pressing force of the top cover to move rightwards, the dry slag begins to be discharged, and after the rotating speed, the torque and the pressing force of the top cover of the speed reducer which are suitable for the actual working condition are set, the dry slag discharging process can be continuous, the filter can continuously work, dry slag is discharged without stopping, and the problems that when the speed of the filter screen of the existing scraper type filter cannot meet the speed of blocking the filter screen by the liquid with the concentration at a clean speed, the pressure difference value of the inlet and the outlet of the filter can be gradually increased, the filter screen bears the pressure of the difference value, and if the valve is not opened in time to discharge the original turbid liquid with the higher concentration, the filter screen can be propped are solved.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a partial sectional view of the slag discharging cylinder;

fig. 3 is a schematic structural view of the filter cartridge.

In the figure: 1. scraper formula filter body, 2, dirty chamber of collection, 3, the frame, 4, the speed reducer, 5, driving motor, 6, spiral main shaft, 7, first bearing, 8, sealing member, 9, first fastening bolt, 10, strain a section of thick bamboo, 1001, brace rod, 1002, wedge-shaped filter wire, 1003, strain a section of thick bamboo ring, 11, second fastener, 12, sealed pad, 13, top cap, 14, second bearing, 17, sealing washer, 18, the guide arm, 1801, fastening nut, 1802, the stopper, 19, connect the boss, 20, the spring, 22, the drain pipe, 23, check valve, 24, arrange the sediment barrel, 2401, liquid outlet channel, 2402, the collecting tank.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to FIGS. 1-3: a scraper type filter capable of continuously discharging dry slag comprises a scraper type filter body 1, a sewage collecting cavity 2 is connected and installed at the bottom of the scraper type filter body 1, the scraper type filter body 1 is communicated with the sewage collecting cavity 2, the sewage collecting cavity 2 is fixedly connected with the filter body 1 through a first fastening bolt 9, a frame 3 is installed on the left side of the sewage collecting cavity 2, a speed reducer 4 is installed on the left side of the frame 3, a driving motor 5 is installed at the top of the speed reducer 4, a spiral main shaft 6 is installed on the right side of the speed reducer 4, the spiral main shaft 6 is located in the center of an inner cavity of the sewage collecting cavity 2, a spiral blade is arranged on the outer side of the spiral main shaft 6, the spiral blade is reduced in an equal proportion from left to right in pitch, a first bearing 7 and a sealing piece 8 are arranged at the joint of the spiral main shaft 6 and the frame 3, a slag discharging barrel 24 is arranged on the right side of the sewage collecting cavity 2, the slag discharging barrel 24 is fixedly connected with the sewage collecting cavity 2 through a second fastening piece 11, the filter cartridge 10 is arranged in the inner cavity of the slag discharging cylinder 24, the liquid outlet channel 2401 is arranged on the right side of the inner cavity of the slag discharging cylinder 24, the liquid outlet channel 2401 is connected with the liquid outlet pipe 22, a liquid collecting tank 2402 is arranged between the slag discharging cylinder 24 and the filter cartridge 10, a sealing gasket 12 is further arranged at the joint of the sewage collecting cavity 2 and the filter cartridge 10, the filter cartridge 10 comprises a filter cartridge ring 1003, a supporting rib 1001 and a wedge-shaped filter wire 1002 are arranged on the filter cartridge ring 1003, two connecting bosses 19 are further arranged on the outer side wall of the slag discharging cylinder 24, three guide rods 18 are inserted into the inner cavity of the connecting bosses 19, fastening nuts 1801 are screwed on the outer walls of the right sides of the guide rods 18, springs 20 are sleeved on the outer walls of the three guide rods 18, the springs 20 are positioned between the two connecting bosses 19, the three guide rods 18 are arranged in an equilateral triangle shape, a limiting block 1802 is arranged on the outer side of the guide rod 18, the springs 20 are arranged between the limiting block 1802 and the right side connecting bosses 19, and the right side of the guide rods 18 is connected with a top cover 13, the top cap 13 is connected with the right side of spiral main shaft 6, and the right side junction of top cap 13 and spiral main shaft 6 is provided with second bearing 14, and the left side inner chamber of top cap 13 and the right side outer wall in dirty chamber 2 of collection all install and be provided with sealing washer 17, scrape the liquid outlet of scraper filter body 1 and arrange sediment barrel 24 between be connected with drain pipe 22, install check valve 23 on the drain pipe 22.

To sum up, the utility model discloses when using, set up dirty chamber 2 in scraper formula filter body 1 bottom original turbid liquid discharge port, axis direction left side outer end is provided with frame 3, speed reducer 4, driving motor 5, and screw spindle 6 passes in proper order from right to left, is connected with speed reducer 4 at last, and driving motor 5 drives speed reducer 4, drives screw spindle 6 and rotates, carries the dirty 2 inside former turbid liquid right sides in chamber of will gathering dirt.

The right side of the axial direction of the sewage collecting cavity 2 is provided with a filter cylinder 10 and a slag discharging cylinder 24, two surfaces of the left end part of the filter cylinder 10 are provided with sealing gaskets 12, after the filter cylinder is clamped by a second fastening piece 11, no liquid can leak out of the filter cylinder, the whole filter cylinder 10 can not rotate around the axis of the filter cylinder, the right side of the filter cylinder 10 is provided with a filter cylinder ring 1003, a sealing ring 17 is arranged inside the right side of the slag discharging cylinder 24, so that the original turbid liquid only exists inside the filter cylinder 10 and can not leak in the filter cylinder, an excircle formed by a support rib 1001 surrounding a central axis is just attached to the inner wall of the slag discharging cylinder 24, the filter cylinder 10 can be protected from being broken by internal high pressure, the right part of the slag discharging cylinder 24 is provided with a circularly formed liquid collecting groove 2402 at the right end of the support rib 1001, the right part of the slag discharging cylinder 24 is vertically provided with a liquid outlet channel 2401 communicated with the right part of the slag discharging cylinder 24, clear liquid in the original turbid liquid which penetrates through a wedge-shaped filter wire due to spiral extrusion and flows to the right side of a long strip cavity formed by the support rib and the inner wall of the slag discharging cylinder 24 to the liquid collecting groove 2402, clear liquid flows along the liquid outlet channel 2401 and the liquid outlet pipe 22, passes through the one-way valve 23 and flows to the liquid outlet of the scraper filter body, and the one-way valve 23 can prevent liquid at the liquid outlet from flowing reversely.

Springs 20 are sleeved on the outer walls of the three guide rods 18, the springs 20 are located between the two connecting bosses 19, the three guide rods 18 respectively penetrate through the top cover 13, the right end of each guide rod is locked through a fastening nut 1801, after the guide rods 18 are locked through the fastening nut 1801, the length of each guide rod 18 is in direct proportion to the pressing force of the top cover 13 generated by the springs 20, the three guide rods 18 penetrating through the top cover 13 limit the rotation of the top cover 13 around the axis of the guide rod, the left and right movement of the top cover 13 along the axis of the guide rod is not limited, meanwhile, a sealing ring 17 can effectively prevent primary turbid liquid and dry slag from entering a second bearing, after the filter continuously operates, the primary turbid liquid is continuously conveyed rightwards along with the continuous rotation of the spiral main shaft 6, a small amount of clear liquid in the primary turbid liquid penetrates through the wedge-shaped filter filaments 1002 distributed circumferentially of the filter cartridge 10 due to the spiral extrusion, and flows to a liquid outlet, and as the spiral blades on the spiral main shaft 6 adopt a 'variable pitch spiral' design, the screw pitch from left to right is smaller and smaller, the screw extrusion force is increased gradually, meanwhile, the solid content of the original turbid liquid from left to right is higher and higher, the top cover 13 is not limited to move leftwards and rightwards in the self axis direction, along with the continuous accumulation of the content of the dry slag, the screw spindle 6 conveys the rightward thrust of the dry slag to exceed the preset leftward pressing force of the top cover 13, then the top cover 13 moves rightwards, the dry slag begins to be discharged, and after the rotating speed and the torque of a speed reducer which are suitable for the actual working condition and the pressing force of the top cover are set, the dry slag discharging process can be continuous, so that the filter can continuously work, the problem that the dry slag is discharged without stopping the machine is solved, when the cleaning rate of the filter screen of the existing scraper type filter does not meet the rate that the filter screen is blocked by the liquid with the concentration, the difference value of the inlet pressure and the outlet pressure of the filter screen can be increased gradually, if the valve is not opened in time to discharge the original turbid liquid with higher concentration, the filter screen can be broken.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A scraper filter capable of continuously discharging dry slag comprises a scraper filter body (1), and is characterized in that: the bottom of scraper formula filter body (1) is connected and is installed dirty chamber (2) of collection, and scraper formula filter body (1) is linked together with dirty chamber (2) of collection, dirty chamber (2) of collection and filter body (1) are through first gim peg (9) fastening connection, frame (3) are installed in the left side of the dirty chamber of collection (2), speed reducer (4) are installed in the left side of frame (3), driving motor (5) are installed at the top of speed reducer (4), spiral main shaft (6) are installed on the right side of speed reducer (4), and spiral main shaft (6) are located the inner chamber center of the dirty chamber of collection (2), the junction of spiral main shaft (6) and frame (3) is provided with first bearing (7) and sealing member (8), the right side of the dirty chamber of collection (2) is provided with row sediment barrel (24), arrange sediment barrel (24) and dirty chamber of collection (2) through second fastener (11) fastening connection, the inner cavity of the slag discharging cylinder body (24) is provided with a filter cylinder (10), the outer side wall of the slag discharging cylinder body (24) is also provided with two connecting bosses (19), the inner cavity of the connecting boss (19) is inserted with three guide rods (18), the outer walls of the three guide rods (18) are sleeved with springs (20), and the spring (20) is positioned between the two connecting bosses (19), the right side of the guide rod (18) is connected with a top cover (13), the top cover (13) is connected with the right side of the spiral main shaft (6), a second bearing (14) is arranged at the right side connection part of the top cover (13) and the spiral main shaft (6), sealing rings (17) are arranged on the left inner cavity of the top cover (13) and the right outer wall of the sewage collecting cavity (2), a liquid outlet pipe (22) is connected between the liquid outlet of the scraper type filter body (1) and the slag discharging cylinder body (24).

2. The scraper filter capable of continuously discharging dry slag according to claim 1, wherein: the outer side of the spiral main shaft (6) is provided with spiral blades, and the spiral blades are reduced in an equal proportion from left to right.

3. The scraper filter capable of continuously discharging dry slag according to claim 1, wherein: and a fastening nut (1801) is screwed on the outer wall of the right side of the guide rod (18).

4. The scraper filter capable of continuously discharging dry slag according to claim 1, wherein: a liquid outlet channel (2401) is arranged on the right side of the inner cavity of the slag discharging cylinder body (24), the liquid outlet channel (2401) is connected with a liquid outlet pipe (22), and a liquid collecting tank (2402) is arranged between the inner cavity of the right side of the slag discharging cylinder body (24) and the filter cylinder (10).

5. The scraper filter capable of continuously discharging dry slag according to claim 1, wherein: a sealing gasket (12) is arranged at the joint of the sewage collecting cavity (2) and the filter cylinder (10).

6. The scraper filter capable of continuously discharging dry slag according to claim 1, wherein: the filter cartridge (10) comprises a filter cartridge ring (1003), and a support rib (1001) and a wedge-shaped filter wire (1002) are arranged on the filter cartridge ring (1003).

7. The scraper filter capable of continuously discharging dry slag according to claim 1, wherein: the three guide rods (18) are arranged in an equilateral triangle.

8. The scraper filter capable of continuously discharging dry slag according to claim 1, wherein: the outer side of the guide rod (18) is provided with a limiting block (1802), and the spring (20) is arranged between the limiting block (1802) and the right side connecting boss (19).

9. The scraper filter capable of continuously discharging dry slag according to claim 1, wherein: and a one-way valve (23) is arranged on the liquid outlet pipe (22).