CN216703716U

CN216703716U - Drying system tail gas recycle device in bentonite production process

Info

Publication number: CN216703716U
Application number: CN202220047546.2U
Authority: CN
Inventors: 王松之; 王晓凯
Original assignee: SHANDONG HUAWEI BENTONITE CO Ltd
Current assignee: SHANDONG HUAWEI BENTONITE CO Ltd
Priority date: 2022-01-10
Filing date: 2022-01-10
Publication date: 2022-06-10
Anticipated expiration: 2032-01-10

Abstract

The utility model discloses a tail gas recycling device of a drying system in the bentonite production process, which comprises the following components: the drying machine is connected with a heat exchanger through a communicating pipe, a filter screen is fixedly arranged in the communicating pipe, two symmetrically-arranged fixed blocks are slidably arranged on the communicating pipe, and a scraping blade is fixedly arranged on each fixed block; the rotating rod is rotatably connected with the filter screen, and a rotating block matched with the fixed block for use is fixedly arranged on the rotating rod; and the sliding mechanism comprises an extrusion rod which is arranged on the communicating pipe in a sliding manner. According to the tail gas purifier, impurities accumulated on the surface of the filter screen can be scraped, so that the filter screen can be cleaned more simply and conveniently, and the filter screen can be cleaned in time, so that the tail gas filtering efficiency of the filter screen is prevented from being lowered.

Description

Drying system tail gas recycle device in bentonite production process

Technical Field

The utility model relates to the technical field of tail gas recovery, in particular to a tail gas recycling device of a drying system in a bentonite production process.

Background

The bentonite is a layered clay material, the natural bentonite mainly takes calcium-based montmorillonite as a main material, the sodium-based montmorillonite is relatively less, and the sodium-based montmorillonite has more excellent properties than the calcium-based montmorillonite, such as good suspension property, high dispersibility, higher cation exchange capacity and the like.

At present in the production process of bentonite, can set up drying system usually and carry out the drying to it, because in drying system exhaust tail gas, contain partial impurity and large granule dust, in order to prevent that tail gas from directly discharging and polluted environment, can utilize the impurity in the filter screen detach tail gas usually, along with the long-time use of filter screen, accumulational a large amount of impurity on the filter screen, can cause the filter screen to block up, because the clearance of filter screen is comparatively troublesome, can't carry out timely clearance, thereby lead to the filter efficiency of filter screen to tail gas to become low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the following defects in the prior art, and provides a tail gas recycling device of a drying system in the bentonite production process, which aims to solve the problems that impurities in tail gas are usually removed by using a filter screen in order to prevent the environment from being polluted by the direct emission of the tail gas, the filter screen is blocked due to a large amount of impurities accumulated on the filter screen along with the long-time use of the filter screen, and the tail gas filtering efficiency of the filter screen is lowered due to the fact that the filter screen is troublesome to clean and cannot be cleaned in time.

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

the utility model provides a drying system tail gas recycle device in bentonite production process, drying system tail gas recycle device in bentonite production process includes:

the drying machine is connected with a heat exchanger through a communicating pipe, a filter screen is fixedly arranged in the communicating pipe, two symmetrically-arranged fixed blocks are slidably arranged on the communicating pipe, and a scraping blade is fixedly arranged on each fixed block;

the rotating rod is rotatably connected with the filter screen, and a rotating block matched with the fixed block for use is fixedly arranged on the rotating rod;

the sliding mechanism comprises an extrusion rod which is arranged on the communicating pipe in a sliding mode, and a moving piece which is matched with the extrusion rod and used is fixedly arranged on the rotating rod.

Preferably, the communicating pipe is provided with a chute for horizontal movement of the fixed blocks, and each fixed block is tightly connected with the communicating pipe through a first spring.

Preferably, fixedly connected with torsion spring on the dwang, torsion spring keeps away from the one end of dwang with filter screen fixed connection.

Preferably, the extrusion rod is provided with a limiting block in a sliding manner, the communicating pipe is fixedly connected with a limiting plate, and the limiting plate is provided with a clamping groove for connecting the limiting block.

Preferably, the extrusion rod is fixedly connected with a second spring, and the second spring is fixedly connected with the communicating pipe.

Preferably, a sealing ring is fixedly connected to the communicating pipe, and the sealing ring is matched with the extrusion rod for use.

Preferably, the communicating pipe is connected with a collecting box in a clamping manner, a groove for collecting impurities is formed in the collecting box, and the cross section of the groove is in a right trapezoid shape.

Compared with the prior art, the utility model has the beneficial effects that:

earlier through manual removal stopper, make the draw-in groove on stopper and the limiting plate break away from, later the in-process of the vertical downstream of extrusion stem, remove piece and dwang and will take place relative rotation with the filter screen, the turning block is along with the dwang pivoted in-process together, the both ends of turning block will be respectively to two fixed block removals, the surface movement of filter screen is hugged closely to fixed connection's doctor-bar on the fixed block simultaneously, can strike off the accumulational impurity in filter screen surface, thereby make the clearance to the filter screen more simple and convenient, can carry out timely clearance to the filter screen, thereby the filtration efficiency step-down of filter screen to tail gas has been avoided.

Drawings

Fig. 1 is a schematic front structural view of a drying system tail gas recycling device in the bentonite production process according to the present invention;

FIG. 2 is a schematic side view of a communication tube;

fig. 3 is a schematic front view of the communication pipe.

In the figure: 1 drying-machine, 2 communicating pipe, 3 limiting plates, 4 extrusion poles, 5 heat exchangers, 6 limiting blocks, 7 fixed blocks, 8 dwang, 9 collection box, 10 filter screens, 11 torsion spring, 12 second spring, 13 removal piece, 14 turning blocks, 15 doctor-bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

The terms "upper", "lower", "left", "right", "middle" and "one" used in the present invention are for clarity of description, and are not used to limit the scope of the present invention, and the relative relationship between the terms and the modifications may be regarded as the scope of the present invention without substantial technical change.

Referring to fig. 1-3, a drying system tail gas recycle device in bentonite production process, the drying system tail gas recycle device in bentonite production process includes: drying-machine 1, drying-machine 1 is connected with heat exchanger 5 through communicating pipe 2, fixed mounting has filter screen 10 in communicating pipe 2, slidable mounting has two fixed blocks 7 that are the symmetry and set up on communicating pipe 2, equal fixed mounting has doctor-bar 15 on every fixed block 7, the joint has collection box 9 on communicating pipe 2, set up the recess that is used for collecting impurity on the collection box 9, the recess cross section sets up to right trapezoid, the impurity that breaks away from on the filter screen 10, later will fall in the recess of collecting box 9, because the recess cross section sets up to right trapezoid, impurity is under the effect of gravity, will slide the bottommost of recess along the inclined plane of recess, can prevent that impurity from breaking away from with collection box 9, be favorable to the clearance to impurity.

The rotating rod 8 is rotatably connected with the filter screen 10, the rotating rod 8 is fixedly provided with a rotating block 14 matched with the fixed block 7 for use, the communicating pipe 2 is provided with a chute for the horizontal movement of the fixed block 7, each fixed block 7 is tightly connected with the communicating pipe 2 through a first spring, because the two ends of the first spring are respectively and fixedly connected with the inner wall of the chute and the fixed block 7, when the fixed block 7 is not acted by external force, under the action of the elastic force of the first spring, the fixed block 7 and the scraper 15 both return to the initial position, the rotating rod 8 is fixedly connected with the torsion spring 11, one end of the torsion spring 11 far away from the rotating rod 8 is fixedly connected with the filter screen 10, when the rotating rod 8 and the filter screen 10 rotate relatively, since the two ends of the torsion spring 11 are fixedly connected to the rotating rod 8 and the filter screen 10, the torsion spring 11 will deform at the same time.

The sliding mechanism comprises an extrusion rod 4 arranged on a communicating pipe 2 in a sliding manner, a moving piece 13 matched with the extrusion rod 4 for use is fixedly arranged on a rotating rod 8, a limiting block 6 is arranged on the extrusion rod 4 in a sliding manner, a limiting plate 3 is fixedly connected on the communicating pipe 2, a clamping groove for connecting the limiting block 6 is formed in the limiting plate 3, the limiting block 6 is moved manually, the clamping groove on the limiting block 6 and the clamping groove on the limiting plate 3 are separated, the movement of the limiting block 6 cannot be limited after the limiting plate 3, a second spring 12 is fixedly connected on the extrusion rod 4, the second spring 12 is fixedly connected with the communicating pipe 2, acting force applied to the extrusion rod 4 is removed, as two ends of the second spring 12 are respectively and fixedly connected with the extrusion rod 4 and the communicating pipe 2, the extrusion rod 4 can return to the initial position under the elastic force of the second spring 12, and a sealing ring is fixedly connected on the communicating pipe 2, sealing washer and 4 cooperations of extrusion stem use, because extrusion stem 4 and the junction of communicating pipe 2, installed the sealing washer, the sealing washer can prevent that tail gas from discharging from the junction to prevented that tail gas direct discharge and polluted the environment, be favorable to the protection to the environment (drying-machine 1 and heat exchanger 5 are prior art, and its theory of operation does not do the detailed description).

In the utility model, tail gas discharged from a dryer 1 is filtered by a filter screen 10 on a communicating pipe 2, the tail gas enters a heat exchanger 5 after the filter screen 10 filters impurities in the tail gas, the temperature of the tail gas is higher, the temperature of cold water can be raised by the heat exchanger 5, thereby recycling the waste heat of the tail gas, when the filter screen 10 is blocked due to accumulation of excessive impurities, firstly, a limiting block 6 is manually moved to separate the limiting block 6 from a clamping groove on a limiting plate 3, then, an extrusion rod 4 is moved downwards, the extrusion rod 4 is contacted with a moving sheet 13 in the vertical and downward moving process and moves against the moving sheet 13, the moving sheet 13 and the rotating sheet 8 rotate relative to the filter screen 10, and as two ends of a torsion spring 11 are respectively fixedly connected with the rotating sheet 8 and the filter screen 10, the torsion spring 11 deforms, in the process that the rotating block 14 rotates along with the rotating rod 8, two ends of the rotating block 14 respectively abut against the two fixed blocks 7 to move, the distance between the two fixed blocks 7 is increased along with the rotation of the rotating block 14, and meanwhile, the scraping blade 15 fixedly connected to the fixed blocks 7 moves along with the surface of the filter screen 10, so that impurities accumulated on the surface of the filter screen 10 can be scraped, and then the acting force applied to the extrusion rod 4 is removed, because two ends of the second spring 12 are respectively and fixedly connected with the extrusion rod 4 and the communication pipe 2, under the combined action of the first spring and the second spring 12, the two fixed blocks 7 and the extrusion rod 4 can return to the initial position, the above processes are repeated, so that the impurities on the filter screen 10 can be continuously cleaned, the filter screen 10 is cleaned more thoroughly, and the impurities separated from the filter screen 10 can fall into the groove of the collecting box 9, because the recess cross section sets up to right trapezoid, impurity will slide to the bottommost of recess along the inclined plane of recess under the effect of gravity, can prevent impurity and collect box 9 and break away from to make the clearance to filter screen 10 more simple and convenient, can carry out timely clearance to filter screen 10, thereby avoided filter screen 10 to the filtration efficiency step-down of tail gas.

In the present invention, the terms "mounted," "connected," "secured," and the like are to be construed broadly unless otherwise specifically indicated and limited.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the utility model concepts of the present invention in the scope of the present invention.

Claims

1. The utility model provides a drying system tail gas recycle device in bentonite production process which characterized in that, drying system tail gas recycle device in the bentonite production process includes:

the drying machine comprises a drying machine (1), wherein the drying machine (1) is connected with a heat exchanger (5) through a communicating pipe (2), a filter screen (10) is fixedly installed in the communicating pipe (2), two symmetrically-arranged fixing blocks (7) are slidably installed on the communicating pipe (2), and a scraping blade (15) is fixedly installed on each fixing block (7);

the rotating rod (8), the rotating rod (8) is rotatably connected with the filter screen (10), and a rotating block (14) matched with the fixed block (7) for use is fixedly installed on the rotating rod (8);

slide mechanism, slide mechanism is including sliding the setting be in extrusion pole (4) on communicating pipe (2), on dwang (8) fixed mounting have with removal piece (13) that extrusion pole (4) cooperation was used.

2. The tail gas recycling device for the drying system in the bentonite production process according to claim 1, wherein a chute for horizontal movement of the fixing blocks (7) is formed in the communicating pipe (2), and each fixing block (7) is tightly connected with the communicating pipe (2) through a first spring.

3. The device for recycling the tail gas of the drying system in the bentonite production process according to claim 1, wherein a torsion spring (11) is fixedly connected to the rotating rod (8), and one end of the torsion spring (11) far away from the rotating rod (8) is fixedly connected with the filter screen (10).

4. The drying system tail gas recycling device in the bentonite production process according to claim 1, wherein a limiting block (6) is slidably arranged on the extrusion rod (4), a limiting plate (3) is fixedly connected to the communicating pipe (2), and a clamping groove for connecting the limiting block (6) is formed in the limiting plate (3).

5. The device for recycling the tail gas of the drying system in the bentonite production process according to claim 1, wherein a second spring (12) is fixedly connected to the extrusion rod (4), and the second spring (12) is fixedly connected with the communicating pipe (2).

6. The device for recycling the tail gas of the drying system in the bentonite production process according to claim 1, wherein a sealing ring is fixedly connected to the communicating pipe (2), and the sealing ring and the extrusion rod (4) are used in a matched manner.

7. The tail gas recycling device for the drying system in the bentonite production process according to claim 1, wherein a collecting box (9) is clamped on the communicating pipe (2), a groove for collecting impurities is formed in the collecting box (9), and the cross section of the groove is in a right trapezoid shape.