CN221295446U - PTA tail gas drier loading attachment - Google Patents

Abstract

The utility model relates to a PTA tail gas drying agent charging device, which sequentially comprises the following components from top to bottom: the feeding device comprises a feeding enclosing baffle, a storage tank body, a filter screen, a discharging chute and a discharging pipe; the blanking chute is movably connected with the blanking pipe through a rotating mechanism; the feeding enclosing baffle is fixedly welded with the storage tank body, and the storage tank body is fixedly welded with the discharging chute; the feeding enclosing baffle, the storage tank body and the discharging chute are excessively connected together to form an integral structure, and the filter screen is arranged between the storage tank body and the discharging chute; the device is adopted to charge, so that the problem of material leakage is solved, the working environment of personnel is improved, the charging quality is guaranteed, meanwhile, compared with the conventional charging process, the device can save the working time of not less than 12 hours, and the working efficiency is effectively improved.

Description

PTA tail gas drier loading attachment

Technical Field

The utility model relates to replacement treatment of a drying agent in a tail gas drying system, in particular to a PTA tail gas drying agent charging device.

Background

The PTA production process has tail gas generation, and the device needs to recycle the tail gas. In the tail gas treatment process, a tail gas drying system is an important link, wherein a spherical alumina drying agent is filled in the tail gas drying tower, and the spherical alumina drying agent can be used as inert gas of the whole device only after being treated by a drying absorption tower for purging, air conveying and sealing. With a certain period of operation, the adsorptivity of the internal desiccant is reduced and the internal desiccant needs to be replaced again.

In the past, the bagged drying agent is filled into the tail gas drying tower through a manhole at the upper part of the tail gas drying tower in a hanging bag mode, so that the following problems occur in the filling process:

1. the opening at the bottom of the ton bag cannot be completely attached to the manhole, and a large amount of drying agent can leak out in the charging process;

2. When an operator unloads the discharging opening of the ton bag, the operator needs to work under the ton bag, so that the risk that the hanging bag suddenly falls off to injure the operator exists;

3. the drying agent has caking phenomenon in the bag, and after the drying agent is added into the tower from a manhole of the equipment, the later use effect can be influenced;

4. The whole tower is filled with about 50 tons of drying agent, the feeding process is slow, the equipment can be filled only after a long time, and the operation time is generally not less than 24 hours.

The conventional charging operation has a large amount of leaked drying agent which can not be completely recovered, so that waste is caused; the charging speed and the charging quality cannot be ensured; the personnel working environment has a great safety hazard.

Disclosure of utility model

In view of the above-mentioned technical problems of the charging operation, the present utility model aims to provide a PTA tail gas drying agent charging device, which has a simple structure and is capable of preventing a large amount of leaked drying agent from being wasted due to incomplete recovery during the charging process; the charging speed and the charging quality are ensured, and the safety of the personnel operation environment is improved.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a PTA exhaust desiccant loading apparatus comprising, in order from top to bottom: the feeding device comprises a feeding enclosing baffle, a storage tank body, a filter screen, a discharging chute and a discharging pipe; the blanking chute is movably connected with the blanking pipe through a rotating mechanism; the feeding enclosing baffle is fixedly welded with the storage tank body, and the storage tank body is fixedly welded with the discharging chute; the feeding enclosing baffle, the storage tank body and the discharging chute are excessively connected together to form an integral structure, and the filter screen is arranged between the storage tank body and the discharging chute;

Furthermore, two sides of the 180-degree horizontal outer side wall of the storage tank body are respectively welded with a fixed lifting lug for installing and fixing a charging device;

furthermore, the discharging pipe horizontally rotates relative to the longitudinal central axis of the whole charging device through the rotating mechanism, so that the pipe orifice of the discharging pipe points to different angles, the uniform distribution of the filled drying agent is ensured, and the charging quality is ensured; meanwhile, the whole charging device does not need to be rotated, so that partial rotation of the device is realized, and the convenience of use of the device is improved;

further, the rotating mechanism is arranged on the outer side wall of the lower part of the blanking chute and is connected with the blanking pipe in a matched mode.

Further, in the charging device, from the viewpoint of safety of operators, the charging enclosure is an annular body with a notch, the annular body is in a horn shape with a narrow lower part and a wide upper part, and a wide upper opening of the charging enclosure is used as a charging opening of the charging device; when the bagged drying agent is lifted, the bottom of the bag is aligned to a feed inlet of a feeding enclosing baffle, the feeding enclosing baffle buffers the weight of the drying agent, and workers work at the notch, so that the safety of the workers can be ensured; when in operation, only one notch is reserved for loosening and tightening the bag, so that the problem of leakage of materials is well solved;

Further, the storage tank body is of a cylindrical cavity structure with the same width at the upper part and the lower part, and the diameter of the storage tank body is the same as that of a narrow opening at the lower part of the feeding enclosing shield; a large amount of drying agent comes out from the bottom of the ton bag and reaches the cylindrical cavity area to be buffered, so that overflow is prevented;

Further, the filter screen is arranged at the lower bottom of the storage tank body, and the mesh size of the filter screen is 2cm; the filter screen is arranged to prevent the drying agent from caking and entering, influence the drying effect and prevent sundries from entering;

Further, the blanking chute is of a funnel type cone structure; the diameter of the large cone opening at the upper part of the discharging chute is the same as that of the storage tank body; an extension part is downwards arranged at a small cone opening at the lower part of the blanking chute; the conical discharging chute is arranged to accelerate the charging speed of the drying agent;

Further, the extension part of the lower part of the blanking chute is positioned at the center of the upper part of the blanking pipe, and the blanking pipe comprises an upper horizontal part and a lower inclined pipe section communicated with the horizontal part integrally; the blanking pipe with the inclined pipe section is arranged, the charging process can lead the pipe orifice of the blanking pipe to point to different angles by adjusting the rotating mechanism according to the stacking condition of materials in the tower, so that the charged drying agent is uniformly distributed, and the charging quality is ensured;

Further, the rotating mechanism includes: a hand wheel, a rotating shaft gear, a gear and a clamping connection part; the rotating shaft is horizontally arranged on the outer wall of the blanking chute, the outer end of the rotating shaft is connected with the hand wheel, and a rotating shaft gear is arranged on the rotating shaft far away from one end of the hand wheel; the periphery of the extension part of the lower part of the blanking chute is horizontally provided with a clamping connection part, the upper end surface of the clamping connection part is provided with a bulge, the inner wall of the top of the horizontal part of the blanking pipe is provided with a clamping groove matched with the bulge of the clamping connection part, and the blanking pipe is clamped on the bulge; the outer surface of the horizontal part of the blanking pipe is provided with a gear matched with the rotating shaft gear, the gear is meshed with the gear of the blanking pipe through the rotating shaft gear, and the two gears drive the blanking pipe to rotate.

When the rotary mechanism is used, the rotary shaft is rotated by rotating the hand wheel, the gear of the rotary shaft rotates to drive the gear of the discharging pipe to be meshed, and then the discharging pipe rotates relative to the clamping connection part, so that the purpose of changing the direction of the pipe orifice of the discharging pipe is achieved, and uniform charging is realized.

The beneficial effects of the utility model are as follows:

The device is adopted to charge, so that the problem of material leakage is solved, the working environment of personnel is improved, the charging quality is guaranteed, meanwhile, compared with the conventional charging process, the device can save the working time of not less than 12 hours, and the working efficiency is effectively improved.

Drawings

Fig. 1 is a structural diagram of the present utility model.

In the figure, 1, the pan feeding encloses fender, 2, storage tank body, 3, filter screen, 4, unloading chute, 5, unloading pipe, 6, fixed lug, 7, breach, 8, feed inlet, 9, extension, 10, hand wheel, 11, pivot, 12, pivot gear, 13, gear, 14, joint connecting portion, 15, arch, 16, draw-in groove.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

The PTA tail gas drier loading device shown in FIG. 1 comprises, in order from top to bottom: the feeding fence 1, the storage tank body 2, the filter screen 3, the discharging chute 4 and the discharging pipe 5; the blanking chute 4 is movably connected with the blanking pipe 5 through a rotating mechanism; the feeding enclosing baffle 1 is fixedly welded with the storage tank body 2, and the storage tank body 2 is fixedly welded with the discharging chute 4; the feeding enclosing baffle 1, the storage tank body 2 and the discharging chute 4 are excessively connected together to form an integral structure, and the filter screen 3 is arranged between the storage tank body 2 and the discharging chute 4;

Two sides of the 180-degree horizontal outer side wall of the storage tank body 2 are respectively welded with a fixed lifting lug 6 for installing and fixing a charging device;

The blanking pipe 5 horizontally rotates relative to the longitudinal central axis of the whole charging device through the rotating mechanism, so that the pipe orifice of the blanking pipe 5 points to different angles, the uniform distribution of the filled drying agent is ensured, and the charging quality is ensured; meanwhile, the whole charging device does not need to be rotated, so that partial rotation of the device is realized, and the convenience of use of the device is improved;

the rotating mechanism is arranged on the outer side wall of the lower part of the discharging chute 4 and is in fit connection with the discharging pipe 5.

In the utility model, from the viewpoint of safety of operators, the feeding enclosure 1 is an annular body with a notch 7, the annular body is in a horn shape with a narrow lower part and a wide upper part, and a wide upper opening of the feeding enclosure 1 is used as a feeding opening 8 of the feeding device; when the bagged drying agent is lifted, the bottom of the bag is aligned with the feed inlet 8 of the feeding enclosing baffle 1, the feeding enclosing baffle 1 buffers the weight of the drying agent, and personnel work at the notch 7, so that the safety of the operators can be ensured; only one notch 7 is reserved for loosening and tightening the bag during operation, so that the problem of leakage of materials is well solved;

The storage tank body 2 is of a cylindrical cavity structure with equal width up and down, and the diameter of the storage tank body 2 is the same as that of a narrow opening at the lower part of the feeding enclosing shield 1; a large amount of drying agent comes out from the bottom of the ton bag and reaches the cylindrical cavity area to be buffered, so that overflow is prevented;

Further, the filter screen 3 is arranged at the lower bottom of the storage tank body 2, and the mesh size of the filter screen 3 is 2cm; the filter screen 3 is arranged to prevent the drying agent from caking and entering, influence the drying effect and prevent sundries from entering;

The blanking chute 4 is of a funnel type cone structure; the diameter size of the large cone opening at the upper part of the discharging chute 4 is the same as the diameter size of the material storage tank body 2; an extension part 9 is arranged downwards at a small cone opening at the lower part of the blanking chute 4; the conical discharging chute 4 is arranged to accelerate the charging speed of the drying agent;

The extension part 9 at the lower part of the discharging chute 4 is positioned at the upper center of the discharging pipe 5, and the discharging pipe 5 comprises an upper horizontal part and a lower inclined pipe section communicated with the horizontal part integrally; the blanking pipe with the inclined pipe section is arranged, the charging process can lead the pipe orifice of the blanking pipe 5 to point to different angles by adjusting the rotating mechanism according to the stacking condition of materials in the tower, so that the charged drying agent is uniformly distributed, and the charging quality is ensured;

The rotating mechanism comprises: a hand wheel 10, a rotating shaft 11, a rotating shaft gear 12, a gear 13 and a clamping connection part 14; the rotating shaft 11 is horizontally arranged on the outer wall of the blanking chute 4, the outer end of the rotating shaft 11 is connected with the hand wheel 10, and a rotating shaft gear 12 is arranged on the rotating shaft 11 far away from one end of the hand wheel 10; the periphery of the extension part 9 at the lower part of the discharging chute 4 is horizontally provided with a clamping connection part 14, the upper end surface of the clamping connection part 14 is provided with a bulge 15, the inner wall of the top of the horizontal part of the discharging pipe 5 is provided with a clamping groove 16 matched with the bulge 15 of the clamping connection part 14, and the discharging pipe 5 is clamped on the bulge 15; the outer surface of the horizontal part of the blanking pipe 5 is provided with a gear 13 matched with the rotating shaft gear 12, the rotating shaft gear 12 is meshed with the gear 13 of the blanking pipe 5, and the two gears drive the blanking pipe 5 to rotate.

When the rotary mechanism is used, the rotary shaft 11 is rotated by rotating the hand wheel 10, the gear 13 of the blanking pipe 5 is driven to be meshed by the rotation of the rotary shaft gear 12, and the blanking pipe 5 is further rotated relative to the clamping connection part 14, so that the purpose of changing the direction of the pipe orifice of the blanking pipe 5 is achieved, and uniform charging is realized. In the rotating mechanism, the setting positions of the rotating shaft gear 12 and the gear 13 of the discharging pipe 5 are preset in advance.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Claims (9)

1. A PTA exhaust desiccant loading apparatus, comprising: the method sequentially comprises the following steps from top to bottom: the feeding device comprises a feeding enclosing baffle, a storage tank body, a filter screen, a discharging chute and a discharging pipe; the blanking chute is movably connected with the blanking pipe through a rotating mechanism; the feeding enclosing baffle is fixedly welded with the storage tank body, and the storage tank body is fixedly welded with the discharging chute; the feeding enclosing baffle, the material storage tank body and the discharging chute are excessively connected together to form an integral structure, and the filter screen is arranged between the material storage tank body and the discharging chute.

2. The PTA off-gas desiccant loading device according to claim 1, wherein: two sides of the outer side wall of the storage tank body in the 180-degree horizontal direction are respectively welded with a fixed lifting lug.

3. The PTA off-gas desiccant loading device according to claim 1, wherein: the rotating mechanism is arranged on the outer side wall of the lower part of the blanking chute and is connected with the blanking pipe in a matched mode.

4. The PTA off-gas desiccant loading device according to claim 1, wherein: the feeding fence is arranged into an annular body with a notch, the annular body is in a horn shape with a narrow lower part and a wide upper part, and a wide upper part opening of the feeding fence is used as a feeding opening of the feeding device.

5. The PTA off-gas desiccant loading device according to claim 4, wherein: the storage tank body be the same wide cylinder cavity structure from top to bottom, the diameter of storage tank body is the same with the diameter of pan feeding fender lower part narrow opening.

6. The PTA off-gas desiccant loading device according to claim 1, wherein: the filter screen lay in storage tank body lower bottom, filter screen mesh size is 2cm.

7. The PTA off-gas desiccant loading device according to claim 1, wherein: the blanking chute is of a funnel type cone structure; the diameter of the large cone opening at the upper part of the discharging chute is the same as that of the storage tank body; an extension part is downwards arranged at a small cone opening at the lower part of the blanking chute.

8. The PTA off-gas desiccant loading device according to claim 7, wherein: the extension part of the lower part of the blanking chute is positioned at the central position of the upper part of the blanking pipe, and the blanking pipe comprises an upper horizontal part and a lower inclined pipe section communicated with the horizontal part integrally.

9. The PTA off-gas desiccant loading device according to claim 7, wherein: the rotating mechanism comprises: a hand wheel, a rotating shaft gear, a gear and a clamping connection part; the rotating shaft is horizontally arranged on the outer wall of the blanking chute, the outer end of the rotating shaft is connected with the hand wheel, and a rotating shaft gear is arranged on the rotating shaft far away from one end of the hand wheel; the periphery of the extension part of the lower part of the blanking chute is horizontally provided with a clamping connection part, the upper end surface of the clamping connection part is provided with a bulge, the inner wall of the top of the horizontal part of the blanking pipe is provided with a clamping groove matched with the bulge of the clamping connection part, and the blanking pipe is clamped on the bulge; the outer surface of the horizontal part of the blanking pipe is provided with a gear matched with the rotating shaft gear.