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CN-224220852-U - Negative pressure tank for vacuum suction filtration of superfine fibers

CN224220852UCN 224220852 UCN224220852 UCN 224220852UCN-224220852-U

Abstract

The utility model discloses a negative pressure tank for vacuum suction filtration of superfine fibers, and belongs to the technical field of suction filtration tank devices. The negative pressure tank for vacuum suction filtration of superfine fibers comprises a tank body, a filter plate and a filter plate, wherein a liquid inlet pipe, a liquid outlet pipe, a negative pressure pipe and a liquid outlet pipe are arranged on the tank body; the utility model drives the arc plate to rotate by the rapid flow of liquid when the negative pressure suction filtration is carried out, and then the outside gas is continuously sucked into the air bag by the cooperation of the arc plate and the piston cylinder, so that the air bag is expanded, the space in the tank is reduced by the expansion of the air bag, the strength of the negative pressure can be increased to a certain extent under the condition of constant negative pressure suction capacity, and the gas in the follow-up air bag can be reversely blown, so that the calcium sulfate fiber on the filter plate is blown up, and the calcium sulfate fiber can be smoothly discharged through the discharge pipe.

Inventors

  • BAI ZHEN
  • ZHAO YONG
  • BAI YUJIANG

Assignees

  • 山东锦泰晶须科技发展有限公司

Dates

Publication Date
20260512
Application Date
20250528

Claims (7)

  1. 1. The utility model provides a negative pressure jar for superfine fiber vacuum suction filter, includes a jar body (1), be provided with feed liquor pipe (701), discharge pipe (702), negative pressure pipe (703), drain pipe (704) on jar body (1), its characterized in that still includes: the filter plate (2) is connected in the tank body (1); The rotating shaft (301) is rotatably connected in the tank body (1), and one end of the rotating shaft (301) is positioned in the liquid outlet pipe (704); The paddle (302) is fixedly connected to one end of the rotating shaft (301) positioned in the liquid outlet pipe (704); The arc-shaped plates (303) are fixedly connected to the rotating shaft (301), and a plurality of groups of arc-shaped protrusions are arranged on the arc-shaped plates (303) at equal intervals; the plurality of groups of piston cylinders (4) are fixedly connected in the tank body (1), telescopic rods of the piston cylinders (4) are propped against the arc-shaped plates (303), and an air outlet pipe (402) is connected to the air outlet end of each piston cylinder (4); The air bag (5) is fixedly connected in the tank body (1), the air bag (5) is positioned below the filter plate (2), and the piston cylinder (4) can continuously inject air into the air bag (5) through the air outlet pipe (402) by rotating the arc plate (303), so that the space in the tank body (1) is reduced.
  2. 2. The negative pressure tank for vacuum filtration of ultrafine fibers according to claim 1, wherein a rotating rod (6) is rotationally connected to the tank body (1), and the rotating rod (6) is located below the filter plate (2).
  3. 3. The negative pressure tank for vacuum filtration of ultrafine fibers according to claim 2, wherein a plurality of groups of inclined exhaust holes (601) are formed in the rotating rod (6), a pressure release pipe (501) with an electronic valve is connected to the air bag (5), the pressure release pipe (501) is connected with the exhaust holes (601), and the rotating rod (6) can rotate through air outlet of the exhaust holes (601).
  4. 4. The negative pressure tank for vacuum filtration of ultrafine fibers according to claim 1, wherein the air inlet end of the piston cylinder (4) is connected with an air inlet pipe (401), and the air inlet pipe (401) penetrates through the tank body (1).
  5. 5. A negative pressure tank for vacuum filtration of ultrafine fibers according to claim 3, wherein the first mounting frame (101) and the second mounting frame (102) are fixedly connected in the tank body (1), and the rotating shaft (301) is rotatably connected to the first mounting frame (101).
  6. 6. The negative pressure tank for vacuum filtration of ultrafine fibers according to claim 5, wherein the rotating rod (6) is rotatably connected to the second mounting frame (102).
  7. 7. The negative pressure tank for vacuum filtration of ultrafine fibers according to claim 6, wherein a rotating block (602) is fixedly connected to the rotating rod (6), the rotating block (602) is rotatably connected to the second mounting frame (102), and the rotating block (602) and the filter plate (2) are coaxially arranged.

Description

Negative pressure tank for vacuum suction filtration of superfine fibers Technical Field The utility model relates to the technical field of suction filtration tank devices, in particular to a negative pressure tank for vacuum suction filtration of superfine fibers. Background The negative pressure tank is generally composed of a cylinder body, an end socket, a flange, a connecting pipe, a sealing element, a support and other parts and components, and is connected with a vacuum pump, air in the tank is pumped out when the vacuum pump works, so that a negative pressure environment is formed in the tank, a pressure difference is generated inside and outside the tank, liquid to be filtered is sucked into the tank under the action of the pressure difference, solid impurities in the liquid are trapped on a filter membrane or a filter, and filtrate flows out through a liquid outlet, so that solid-liquid separation is realized. In the preparation process of calcium sulfate, a vacuum filtration device is commonly used for solid-liquid separation, but because the calcium sulfate fibers are particularly thin, the negative pressure value of the negative pressure pipe is required to be high, otherwise, liquid is difficult to pass through the filter plate accumulated with the calcium sulfate fibers, and therefore, the negative pressure tank for vacuum filtration of the superfine fibers is provided to solve the problems. Disclosure of utility model The utility model aims to solve the problems in the background art, and provides a negative pressure tank for vacuum suction filtration of superfine fibers. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The utility model provides a negative pressure jar for superfine fiber vacuum suction filter, includes the jar body, be provided with feed liquor pipe, discharge pipe, negative pressure pipe, drain pipe on the jar body, still include: The filter plate is connected in the tank body; The rotating shaft is rotatably connected in the tank body, and one end of the rotating shaft is positioned in the liquid outlet pipe; The paddle is fixedly connected with the rotating shaft and is positioned in one end of the liquid outlet pipe; The arc-shaped plates are fixedly connected to the rotating shaft, and a plurality of groups of arc-shaped protrusions are arranged on the arc-shaped plates at equal intervals; The plurality of groups of piston cylinders are fixedly connected in the tank body, the telescopic rods of the piston cylinders are propped against the arc-shaped plates, and the air outlet ends of the piston cylinders are connected with air outlet pipes; The gasbag is fixedly connected in the jar body, the gasbag is located the filter below, through the rotation of arc, can make the piston cylinder constantly inject gas to the gasbag through the outlet duct in, reduces jar internal space thereupon. Preferably, a rotating rod is rotatably connected in the tank body, and the rotating rod is positioned below the filter plate. For the subsequent back-blowing discharging, preferably, a plurality of groups of inclined exhaust holes are formed in the rotating rod, a pressure relief pipe with an electronic valve is connected to the air bag, the pressure relief pipe is connected with the exhaust holes, and the rotating rod can rotate through air outlet of the exhaust holes. Preferably, an air inlet pipe is connected to the air inlet end of the piston cylinder, and the air inlet pipe penetrates through the tank body. Preferably, the tank body is fixedly connected with a first mounting frame and a second mounting frame, and the rotating shaft is rotatably connected to the first mounting frame. Preferably, the rotating rod is rotatably connected to the second mounting frame. Preferably, the rotating rod is fixedly connected with a rotating block, the rotating block is rotationally connected to the second mounting frame, and the rotating block and the filter plate are coaxially arranged Compared with the prior art, the utility model provides the negative pressure tank for vacuum suction filtration of the superfine fibers, which has the following beneficial effects: According to the utility model, when negative pressure suction filtration is carried out, the rapid flow of liquid drives the arc plate to rotate, and then the outside gas is continuously sucked through the cooperation of the arc plate and the piston cylinder, so that the gas enters the air bag, the air bag is expanded, the space inside the tank body is further reduced through the expansion of the air bag, the strength of negative pressure can be increased to a certain extent under the condition that the negative pressure suction capacity is constant, and the gas in the subsequent air bag can be back blown, so that calcium sulfate fibers on the filter plate are blown up, and the calcium sulfate fibers can be smoothly discharged through the discharge pipe. Drawings FIG. 1 is a sc