Scraping device for preventing filter cloth from being torn

Abstract

The utility model relates to the technical field of environment-friendly desulfurization engineering, and discloses a scraping device for preventing filter cloth from being torn, which comprises a filter cloth machine lower part, a filter cloth machine head is arranged on the filter cloth machine lower part, a filter cloth machine upper part is arranged above the filter cloth machine head, a material receiving port is arranged on the filter cloth machine lower part, a material outlet is arranged on the filter cloth machine upper part, and a material outlet is arranged on the filter cloth machine lower part. A filter cloth body slides in the material receiving opening and the material discharging opening, and a first filter cloth carrier roller is fixedly connected to the filter cloth machine head. According to the utility model, the original use mode of cleaning through direct flushing of the scraper is changed into the mode of cleaning in the homeopathic direction, and meanwhile, the balance weight is added to the scraper, so that if the filter cloth body has unavoidable conditions such as wrinkles and hard foreign matters, the scraper can be used in the homeopathic direction to effectively avoid direct flushing with the wrinkles and the hard foreign matters, and the phenomenon that the filter cloth body cannot be cleaned due to direct flushing with the wrinkles and the hard foreign matters is avoided. And the improved use effect of the device is good, the filter cloth is cleaned up, and the improved equipment can operate more stably.

Description

Technical Field

[0001] The utility model relates to the technical field of environmental protection desulfurization engineering, in particular to a scraping device for preventing filter cloth from tearing. Background Art

[0002] Domestic steel companies mostly use limestone-gypsum desulfurization process in environmental protection desulfurization projects. Gypsum dehydration of filter cloth machine is an important part of the process. The process flow is that the filter cloth machine is started, and the slurry in the desulfurization tower is transported to the filter cloth machine by the gypsum pump. After the filter cloth machine works, most of the water in the slurry is removed, and the gypsum by-product with qualified water content is discharged. When the filter cloth machine is working, due to the stickiness of gypsum, a scraper device is required at the flipping position of the filter cloth machine head wheel to scrape off the residual gypsum on the filter cloth and make it fall off.

[0003] The scraper device at the original filter cloth head wheel directly contacts the filter cloth during use. The original scraper device directly contacts foreign objects, resulting in scraper damage. The plaster on the filter cloth is not cleaned thoroughly. The damaged part of the scraper device directly contacts the filter cloth, causing serious jamming and tearing of the filter cloth. Therefore, the utility model proposes a scraper device for preventing the filter cloth from tearing to solve the problems existing in the prior art. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a scraping device for preventing filter cloth from tearing.

[0005] The cam is provided with a filter cloth, and the cam is provided with a filter cloth which is adapted to move the filter cloth upwards and downwards.

[0006] As a further description of the above technical solution:

[0007] The adjusting block is provided with a first sliding groove, the adjusting block is provided with a second sliding groove, and a limiting ring is provided inside the adjusting block.

[0008] As a further description of the above technical solution:

[0009] A horizontal telescopic rod is fixedly connected in the guide slide groove, and one end of the horizontal telescopic rod is fixedly connected to the vertical telescopic rod.

[0010] As a further description of the above technical solution:

[0011] The first filter cloth roller and the second filter cloth roller are both fitted with the filter cloth body, the rotating support frame is in a U-shape, the scraper is fitted with the surface of the filter cloth body, and one end of the counterweight connector slides in the second slide groove.

[0012] As a further description of the above technical solution:

[0013] One end of the counterweight connector slides in the first slide groove, and the scraper is provided with an inclined surface that fits with the surface of the filter cloth body.

[0014] As a further description of the above technical solution:

[0015] The first filter cloth supporting roller is located at one side of the upper part of the filter cloth machine, and the second filter cloth supporting roller is located at one end of the filter cloth machine head.

[0016] As a further description of the above technical solution:

[0017] The limiting ring is located in the middle of the adjusting block.

[0018] The utility model has the following beneficial effects: in the utility model, the original direct impact cleaning method of the scraper is changed to cleaning in the direction of the trend, and a counterweight is added to the scraper. If there are unavoidable situations such as wrinkles or hard foreign objects on the filter cloth body, the scraper can be used in the direction of the trend to effectively avoid direct impact with the wrinkles and hard foreign objects, and avoid tearing the filter cloth due to direct impact with the wrinkles and hard foreign objects. The modified use effect of the device is good, the filter cloth is cleaned, and the equipment can run more smoothly after the modification. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of a three-dimensional structure of a scraper device for preventing filter cloth tearing proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of a three-dimensional structure of a scraper device for preventing filter cloth tearing proposed by the utility model in a straight-impact form;

[0021] Figure 3 This is a partial structural schematic diagram of a scraper device for preventing filter cloth tearing proposed by the utility model;

[0022] Figure 4 The utility model discloses a partial structural cross-sectional view of a scraper device for preventing filter cloth from tearing.

[0023] Legend:

[0024] 1. The lower part of the filter cloth machine; 2. The filter cloth head; 3. The upper part of the filter cloth machine; 4. The filter cloth body; 5. The bottom support; 6. The first filter cloth roller; 7. The second filter cloth roller; 8. The guide chute; 9. The vertical telescopic rod; 10. The horizontal telescopic rod; 11. The rotating support frame; 12. The adjusting block; 13. The scraper; 14. The first chute; 15. The second chute; 16. The counterweight connector; 17. The counterweight block; 18. The limiting ring; 19. The receiving port; 20. The discharging port. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0026] Reference Figure 1-Figure 4 The utility model provides an embodiment: a scraper device for preventing filter cloth from tearing, comprising a filter cloth machine lower part 1, a filter cloth machine head 2 is arranged on the filter cloth machine lower part 1, a filter cloth machine upper part 3 is arranged above the filter cloth machine head 2, a material receiving port 19 is arranged on the filter cloth machine lower part 1, a material discharging port 20 is arranged on the filter cloth machine upper part 3, a filter cloth body 4 slides in the material receiving port 19 and the material discharging port 20, a first filter cloth roller 6 is fixedly connected to the filter cloth machine head 2, a second filter cloth roller 7 is fixedly connected to the filter cloth machine head 2, a bottom support 5 is arranged at the bottom of the filter cloth machine lower part 1, a guide slide 8 is arranged on the bottom support 5, a vertical telescopic rod 9 is slidably connected in the guide slide 8, one end of the vertical telescopic rod 9 is fixedly connected to a rotating support frame 11, an adjusting block 12 is rotatably connected in the rotating support frame 11, a scraper 13 is fixedly connected to the adjusting block 12, a counterweight connecting piece 16 is arranged on the adjusting block 12, and a counterweight block 17 is rotatably connected at one end of the counterweight connecting piece 16.

[0027] A first slide groove 14 is provided on the adjusting block 12, a second slide groove 15 is provided on the adjusting block 12, a limiting ring 18 is provided in the adjusting block 12, a horizontal telescopic rod 10 is fixedly connected in the guide slide groove 8, one end of the horizontal telescopic rod 10 is fixedly connected to the vertical telescopic rod 9, the first filter cloth roller 6 and the second filter cloth roller 7 are both fitted with the filter cloth body 4, the shape of the rotating support frame 11 is U-shaped, the scraper 13 is fitted with the surface of the filter cloth body 4, one end of the counterweight connecting member 16 slides in the second slide groove 15, one end of the counterweight connecting member 16 slides in the first slide groove 14, the scraper 13 is provided with an inclined surface and fits with the surface of the filter cloth body 4, the first filter cloth roller 6 is located on one side of the upper part 3 of the filter cloth machine, the second filter cloth roller 7 is located at one end of the filter cloth head 2, and the limiting ring 18 is located in the middle of the adjusting block 12.

[0028] Working principle: The utility model outputs the filter cloth body 4 from the discharge port 20 through the upper part 3 of the filter cloth machine, and the other end of the filter cloth body 4 is recovered through the receiving port 19 and the lower part 1 of the filter cloth machine through the support and guidance of the first filter cloth roller 6 and the second filter cloth roller 7. When in use, the gypsum on the filter cloth body 4 is sticky, and the scraper 13 is required to scrape off the residual sticky gypsum on the filter cloth body 4 to make it fall off. The user adjusts the sliding path of the vertical telescopic rod 9 in the guide slide groove 8 by controlling the horizontal telescopic rod 10, controls the height of the rotating support frame 11 by the vertical telescopic rod 9, adjusts the contact position of the scraper 13 on the filter cloth body 4, preliminarily determines the position of the scraper 13, and then rotates the adjustment block 12 and the scraper 13 to Figure 2 When the weight of the counterweight block 17 is adjusted to the position shown, one end of the counterweight connector 16 slides into the second slide groove 15, and the weight of the counterweight block 17 is transferred to the contact surface between the scraper 13 and the filter cloth body 4. At this time, it is a straight-up state. During operation, a high pressure will be generated on the filter cloth body 4 and the scraper 13. The user can remove the counterweight connector 16 and rotate the adjustment block 12 to Figure 1 In the position shown, the inclined surface of the scraper 13 is fitted with the filter cloth body 4, and the scraper 13 is in contact with the filter cloth body 4 through the inclined surface. At the same time, the counterweight connector 16 is slid into the first slide groove 14 to change the contact pressure between the scraper 13 and the surface of the filter cloth body 4, which can effectively avoid direct impact with wrinkles and hard foreign objects, and avoid the tearing of the filter cloth due to direct impact with wrinkles and hard foreign objects. The above changes will clean the filter cloth more cleanly and the equipment will run more smoothly.

[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A scraping device for preventing filter cloth from tearing, comprising a filter cloth machine lower part (1), characterized in that: The lower part (1) of the filter cloth machine is provided with a filter cloth head (2), the upper part (3) of the filter cloth machine is provided above the filter cloth head (2), the lower part (1) of the filter cloth machine is provided with a material receiving port (19), the upper part (3) of the filter cloth machine is provided with a material discharging port (20), a filter cloth body (4) slides inside the material receiving port (19) and the material discharging port (20), a first filter cloth roller (6) is fixedly connected to the filter cloth head (2), a second filter cloth roller (7) is fixedly connected to the filter cloth head (2), and the bottom of the lower part (1) of the filter cloth machine is provided with a material receiving port (19), and a material discharging port (20) is provided with a material discharging port (20). A bottom support (5) is provided, the bottom support (5) is provided with a guide slot (8), a vertical telescopic rod (9) is slidably connected in the guide slot (8), one end of the vertical telescopic rod (9) is fixedly connected to a rotating support frame (11), an adjusting block (12) is rotatably connected in the rotating support frame (11), a scraper (13) is fixedly connected to the adjusting block (12), a counterweight connecting piece (16) is provided on the adjusting block (12), and one end of the counterweight connecting piece (16) is rotatably connected to a counterweight block (17).

2. A scraping device for preventing filter cloth from tearing according to claim 1, characterized in that: The adjusting block (12) is provided with a first sliding groove (14), the adjusting block (12) is provided with a second sliding groove (15), and a limiting ring (18) is provided inside the adjusting block (12).

3. A scraping device for preventing filter cloth from tearing according to claim 2, characterized in that: A horizontal telescopic rod (10) is fixedly connected in the guide slide groove (8), and one end of the horizontal telescopic rod (10) is fixedly connected to the vertical telescopic rod (9).

4. A scraping device for preventing filter cloth from tearing according to claim 3, characterized in that: The first filter cloth roller (6) and the second filter cloth roller (7) are both fitted with the filter cloth body (4), the rotating support frame (11) is in a U-shape, the scraper (13) is fitted with the surface of the filter cloth body (4), and one end of the counterweight connection member (16) slides in the second slide groove (15).

5. A scraping device for preventing filter cloth from tearing according to claim 4, characterized in that: One end of the counterweight connection member (16) slides in the first slide groove (14), and the scraper (13) is provided with an inclined surface which fits the surface of the filter cloth body (4).

6. A scraping device for preventing filter cloth from tearing according to claim 5, characterized in that: The first filter cloth supporting roller (6) is located at one side of the upper part (3) of the filter cloth machine, and the second filter cloth supporting roller (7) is located at one end of the filter cloth machine head (2).

7. A scraping device for preventing filter cloth from tearing according to claim 6, characterized in that: The limiting ring (18) is located in the middle of the adjusting block (12).

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