CN219223030U

CN219223030U - Suction filtration assembly with nitrogen back blowing function for dryer

Info

Publication number: CN219223030U
Application number: CN202223509513.4U
Authority: CN
Inventors: 张拥军; 张硕; 陈永健
Original assignee: TAICANG ZHENGXIN DRYING EQUIPMENT TECHNOLOGY CO LTD
Current assignee: TAICANG ZHENGXIN DRYING EQUIPMENT TECHNOLOGY CO LTD
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-06-20
Anticipated expiration: 2032-12-28

Abstract

The utility model discloses a suction filtration component with a nitrogen back blowing function for a dryer, which comprises a mounting seat, a vacuum tube, a suction filtration head and a connecting tube, wherein the mounting seat is fixed in a tank body, one end of the vacuum tube is inserted into the mounting seat, the vacuum tube is in sealing connection with the mounting seat, the other end of the vacuum tube is connected with a vacuum pump, an air inlet is arranged on the vacuum tube and is connected with nitrogen through a valve, a first air tube and a second air tube are arranged on the mounting seat, the suction filtration head is connected with the first air tube, the other suction filtration head is connected with the second air tube through the connecting tube, and the suction filtration head is folded down by 90 degrees along the horizontal direction and extends to the bottom of the tank body by utilizing the connecting tube. According to the utility model, through adding the nitrogen back blowing function, the air pressure in the tank body is switched between positive pressure and negative pressure, and the moisture in the tank body is taken away by the nitrogen, so that the drying of materials is promoted. The suction filtration head extending into the bottom of the tank body is additionally arranged, so that nitrogen fully contacts with the material, and the nitrogen takes away moisture to promote the drying of the material.

Description

Suction filtration assembly with nitrogen back blowing function for dryer

Technical Field

The utility model relates to the field of drying equipment, in particular to a suction filtration component with a nitrogen back blowing function for a dryer.

Background

In the prior art, the biconical dryer comprises a fixing frame and a tank body with two conical sides, wherein the tank body is fixedly arranged on the fixing frame through a rotating shaft, a driving wheel is arranged on the rotating shaft, a motor drives the driving wheel to rotate so as to realize the rotation of the tank body, and a vacuumizing tube is arranged at one side of the tank body so as to vacuumize the tank body; the outer wall of the tank body of the biconical dryer is provided with an electric heating wire, so that materials in the tank body are heated, and meanwhile, the gas with water vapor in the tank body is pumped out through a vacuum tube, so that the drying of the materials is promoted; when the negative pressure is reached in the tank body, the drying efficiency of the dryer is greatly reduced; in addition, the suction filter head in the tank body may be blocked.

Disclosure of Invention

Aiming at the defects existing in the prior art, the main purpose of the utility model is to overcome the defects of the prior art, and discloses a suction filtration component with a nitrogen back blowing function for a dryer, which comprises a mounting seat, a vacuum tube, a suction filtration head and a connecting tube, wherein the mounting seat is fixed in a tank body, one end of the vacuum tube is inserted into the mounting seat and is in sealing connection with the mounting seat, the other end of the vacuum tube is connected with a vacuum pump, an air inlet is arranged on the vacuum tube and is connected with nitrogen through a valve, a first air tube and a second air tube are arranged on the mounting seat, the suction filtration head is connected with the first air tube, the other suction filtration head is connected with the second air tube through the connecting tube, and the suction filtration head is folded downwards along the horizontal direction by 90 degrees and extends to the bottom of the tank body through the connecting tube.

Further, the connection pipe is L-shaped and is connected by a reinforcing rod.

Further, two air inlets are arranged, the two air inlets are respectively connected with a nitrogen pipe, and the two nitrogen pipes respectively extend into the mounting seat and the connecting pipe.

Further, the nitrogen pipe is connected with the second air pipe in a sealing mode.

Further, the first air pipes are arranged in three, and the three first air pipes are distributed in a circumferential array around the second air pipe.

Further, the suction filter head is connected with the first air pipe through a flange.

Further, the second air pipe is connected with the connecting pipe, and the suction filter head is connected with the connecting pipe through a flange.

The utility model has the beneficial effects that:

according to the utility model, through adding the nitrogen back blowing function, the air pressure in the tank body is switched between positive pressure and negative pressure, and the moisture in the tank body is taken away by the nitrogen, so that the drying of materials is promoted. The suction filtration head extending into the bottom of the tank body is additionally arranged, so that the tank body is buried in materials in part of time in the rotation process, nitrogen is fully contacted with the materials, the nitrogen takes away moisture, and the drying of the materials is promoted. The nitrogen pipe extends into the connecting pipe and the mounting seat to promote nitrogen supply; meanwhile, the tetrafluoro filler is arranged between the nitrogen pipe and the connecting pipe, so that the sealing effect is achieved, the supporting effect is achieved, and the nitrogen pipe is prevented from being contacted with the vacuum pipe.

Drawings

FIG. 1 is a schematic diagram of a suction filtration assembly with nitrogen back-flushing function for a dryer according to the present utility model;

FIG. 2 is a schematic diagram of a first trachea and a second trachea distribution;

the reference numerals are as follows:

1. mounting seat 2, vacuum tube, 3, suction filter head, 4, connecting pipe, 51, first nitrogen pipe, 52, second nitrogen pipe, 11, first gas pipe, 12, second gas pipe, 21, air inlet, 41, stiffener.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

A suction filtration subassembly for desiccator has nitrogen gas blowback function, as shown in fig. 1, 2, including mount pad 1, vacuum tube 2, suction filtration head 3 and connecting pipe 4, mount pad 1 is fixed in the jar body, and follower jar body rotates in step, and vacuum tube 2 sets up in the pivot of jar body, and one end extends to in the mount pad 1, and the other end extends to outside the jar body, is connected with the vacuum pump, realizes the evacuation to jar body. Wherein, mount pad 1 and vacuum tube 2 sealing connection. The vacuum pump 2 is provided with an air inlet 21, and the air inlet 21 is connected with nitrogen through a valve so as to control nitrogen input; preferably, the valve may be a solenoid valve to achieve PLC automatic control. The installation seat 1 is provided with a first air pipe 11 and a second air pipe 12, the suction filter head 3 is connected with the first air pipe 11, the other suction filter head 3 is connected with the second air pipe 12 through the connecting pipe 4, and the suction filter head 3 is folded downwards by 90 degrees along the horizontal direction and extends to the bottom of the tank body through the connecting pipe 4. Because one of the suction filter heads 3 is buried in the material, after nitrogen is introduced, the nitrogen is fully contacted with the material to take away moisture in the material, and further drying of the material is promoted. In addition, through many suction filtration heads 3 distribution, promote the nitrogen gas evenly to fill into the jar internal for the jar body drives the material and fully contacts with nitrogen gas when rolling.

In one embodiment, as shown in fig. 1 and 2, the connection pipe 4 is L-shaped and connected by a reinforcing rod 41 to increase the strength of the connection pipe 4; because the connecting pipe 41 extends to the bottom of the tank body, the suction filter head can be continuously contacted with the material, and when the suction filter head contacts with the material, the material can impact the connecting pipe 4, so that the connecting pipe 4 is easy to bend.

In an embodiment, as shown in fig. 1 and 2, two air inlets 21 are provided, the two air inlets 21 are respectively connected with a first nitrogen pipe 51 and a second nitrogen pipe 52, and the other end of the first nitrogen pipe 51 extends into the mounting seat 1 to convey nitrogen for the first air pipe 11; the other end of the second nitrogen pipe 52 extends into the connection pipe 4 to supply nitrogen to the second gas pipe 12. Preferably, the second gas tube 12 is sealingly connected to the second nitrogen gas tube 52; specifically, the connection pipe 4 and the second nitrogen pipe 52 are sealed by a tetrafluoro filling material; in addition, the tetrafluoro packing also serves to support the second nitrogen pipe 52 to avoid the second nitrogen pipe 52 from contacting the vacuum pipe 2. Wherein the first nitrogen pipe 51 may be fixed with the second nitrogen pipe 52; specifically, the first nitrogen pipe 51 and the second nitrogen pipe 52 are welded and fixed.

In one embodiment, as shown in fig. 1 and 2, three first air pipes 11 are provided, and the three first air pipes 11 are distributed in a circumferential array around the second air pipe 12. Correspondingly, each first air pipe 11 is provided with a suction filtration head 3.

In one embodiment, as shown in fig. 1 and 2, the suction head 3 is flanged to the first air pipe 11.

In one embodiment, as shown in fig. 1 and 2, the second air pipe 12 is connected with the connecting pipe 4 and the suction filter head 3 is connected with the connecting pipe 4 through flanges.

When the vacuum tank is used, as shown in fig. 1 and 2, the tank body is vacuumized through the vacuum tube 2, after reaching the preset vacuum degree, the vacuumizing is stopped, the first nitrogen pipe is opened, the suction filtration head 3 connected with the first gas pipe 11 is reversely blown, and meanwhile, nitrogen is filled into the tank body, so that the air pressure in the tank body is increased. Meanwhile, the second nitrogen pipe can be intermittently opened and closed or can be opened normally, and the tank body is supplemented with nitrogen, so that the nitrogen is extended to the bottom of the tank body, and in the process of rotating the tank body, the suction filtration head 3 is buried in the material for a part of time, so that the nitrogen is fully contacted with the material, and the drying rate is improved.

The foregoing is merely a preferred embodiment of the present utility model and is not intended to limit the scope of the present utility model; modifications and equivalent substitutions are intended to be included in the scope of the claims without departing from the spirit and scope of the present utility model.

Claims

1. A suction filtration subassembly for desiccator has nitrogen gas blowback function, its characterized in that includes mount pad, vacuum tube, suction filtration head and connecting pipe, the mount pad is fixed in the jar internally, the one end of vacuum tube inserts the mount pad, and the vacuum tube with mount pad sealing connection, the vacuum pump is connected to the other end of vacuum tube, set up the air inlet on the vacuum tube, the air inlet passes through the valve and is connected with nitrogen gas, set up first trachea and second trachea on the mount pad, the suction filtration head with first trachea is connected, another the suction filtration head passes through the connecting pipe with the second trachea is connected, utilizes the connecting pipe makes the suction filtration head is along 90 backward and is folded down and extend to jar body bottom.

2. The suction filter assembly with nitrogen back-flushing function for a dryer according to claim 1, wherein the connection pipe is L-shaped and is connected by a reinforcing rod.

3. The suction filtration assembly with the nitrogen back-flushing function for the dryer according to claim 1, wherein two air inlets are arranged, the two air inlets are respectively connected with a nitrogen pipe, and the two nitrogen pipes respectively extend into the mounting seat and the connecting pipe.

4. A suction filter assembly with nitrogen blowback function for a dryer as claimed in claim 3, wherein the nitrogen pipe is hermetically connected to the second air pipe.

5. The suction filter assembly with nitrogen back-flushing function for a dryer according to claim 1, wherein three first air pipes are arranged and distributed in a circumferential array around the second air pipe.

6. The suction filter assembly with nitrogen back-flushing function for a dryer of claim 1, wherein the suction filter head is connected with the first air pipe through a flange.

7. The suction filter assembly with nitrogen back-flushing function for a dryer according to claim 1, wherein the second air pipe is connected with the connecting pipe, and the suction filter head is connected with the connecting pipe through a flange.