Powder recovery device

Abstract

The invention discloses a powder recovery device and belongs to the technical field of chemical processing equipment. Comprising a shear fork arm lifting platform, a first storage box and a second storage box are arranged at the top of the shear fork arm lifting platform, the top of the first storage box and the top of the second storage box are open, a plurality of feeding rollers are arranged at the openings, a wood tray is arranged at the top of the first storage box, and a powder bag is placed on the wood tray. A portal frame is arranged above the second storage box; the first storage box and the second storage box are arranged, openings are formed in the tops of the first storage box and the second storage box, ethylene glycol liquid separated out of a powder bag placed above can be collected, dripping liquid can be drained through a drainage thickening layer arranged on the side edge of the bottom of the powder bag, and the device can store the liquid for a long time so that the liquid can be separated out conveniently; and the liquid separation efficiency can be improved through the up-down lifting of the scissor arm lifting platform.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of chemical processing equipment, and particularly relates to a powder recovery device. BACKGROUND

[0002] Ethylene glycol is a commonly used solvent and is widely used in organic synthesis. It can not only be used as a reaction medium, but also be used as a catalyst or an auxiliary agent to participate in the reaction process. Since ethylene glycol has the ability to form intermolecular hydrogen bonds, it can increase the intermolecular spacing, improve the molecular arrangement, and improve the stability and selectivity of the reaction intermediates, thereby promoting the reaction.

[0003] The reaction of PTA (pure terephthalic acid) and ethylene glycol is an extremely important reaction in the chemical industry, which is mainly used for producing PET (polyethylene terephthalate), a core raw material of polyester fiber (polyester), and sometimes part of waste is generated in the pre-shrinking process. In the process, the waste contains a large amount of ethylene glycol liquid, which needs to be recovered and treated, and the waste is recycled again. SUMMARY

[0004] The application mainly solves the technical problems of the prior art, and provides a powder recovery device.

[0005] The above technical problems of the application are mainly solved by the following technical scheme: a powder recovery device, comprising a scissor arm lifting platform, characterized in that: the top of the scissor arm lifting platform is respectively provided with a first storage box and a second storage box, the top of the first storage box and the second storage box is provided with an opening, and a plurality of feeding rollers are arranged at the opening, the top of the first storage box is provided with a wooden pallet, the wooden pallet is placed with a powder bag, the top of the second storage box is provided with a gantry, the gantry is installed on the ground corresponding to the two sides of the scissor arm lifting platform, the top of the gantry is provided with an auxiliary frame, the top of the auxiliary frame is provided with a lifting cylinder, the bottom of the lifting cylinder penetrates through the auxiliary frame and is downwardly arranged, the output end of the lifting cylinder is provided with a lifting plate, a plug-in reinforcing sleeve is installed on each corner of the lifting plate, the plug-in reinforcing sleeve is slidingly arranged through the top of the gantry, the side of the gantry is provided with a water pump box, the top of the water pump box is respectively provided with a first water inlet pipe and a second water inlet pipe, the first water inlet pipe and the second water inlet pipe extend into the gantry through a plurality of plug-in reinforcing sleeves, respectively, the bottom of the water pump box is provided with a drain pipe, the side of the scissor arm lifting platform is provided with an inlet steep slope, and a connecting structure is arranged between the inlet steep slope and the scissor arm lifting platform.

[0006] Preferably, the powder bag has two first hanging ears on the top outer side and two second hanging ears on the top inner side. The bottom of the powder bag has a drainage thickening layer in a ring shape, and the drainage thickening layer has multiple holes for drainage, which penetrate the powder bag.

[0007] Preferably, a first discharge pipe is connected to one side of the first storage box, and a second discharge pipe is connected to the rear side of the second storage box. Valves are fitted onto the output ends of the first discharge pipe, the second discharge pipe, and the drain pipe.

[0008] Preferably, two branch pipes are opened at the output ends of the first and second water inlet pipes, for a total of four branch pipes corresponding to four plug-in reinforcing sleeves, and are set to penetrate downward through the gantry frame.

[0009] Preferably, the insertion reinforcement sleeve has an inner cavity for inserting the branch pipe, and a flaring device is provided at the bottom of the insertion reinforcement sleeve. The flaring device is fixed in the insertion reinforcement sleeve by bolts, and the bottom of the flaring device is bent towards the branch pipe to form a flaring plate.

[0010] Preferably, a material stop is rotatably installed inside the gantry frame, and a material placement rack is provided on both sides of the gantry frame at the maximum turning point of the material stop. A semi-circular sliding groove is opened on one side of the gantry frame, and a handle is provided through the sliding groove on one side of the material stop.

[0011] The beneficial effects of this invention are as follows: By setting up a first storage tank and a second storage tank, both with openings at the top, the ethylene glycol liquid precipitated from the powder bag placed above can be collected. The powder bag can drain the dripping liquid through a thickened drainage layer on its bottom side. The device can store liquid for a long time to facilitate liquid precipitation, and the efficiency of liquid precipitation can be increased by raising and lowering the scissor lift platform. At the same time, the first storage tank achieves the collection of pure ethylene glycol, while the second storage tank, together with the first and second water inlets at the top, is used to fill, clean, and collect the powder bag with water. The first and second storage tanks drain liquid through the first and second discharge pipes, respectively.

[0012] By setting up a scissor lift platform and placing a first storage box and a second storage box on it, the powder bags can be fed in and discharged by the up and down lifting of the scissor lift platform. At the same time, the powder bags can also be loaded and unloaded by wooden pallets in conjunction with forklifts, increasing the ways to load powder bags.

[0013] By the way of setting the plug-in reinforcing sleeve on the output end of the first water inlet pipe and the second water inlet pipe, the flaring device and the flaring piece are arranged at the bottom of the plug-in reinforcing sleeve, the end part of the first water inlet pipe and the second water inlet pipe is protected, the first water inlet pipe and the second water inlet pipe can be better inserted into the inside of the powder bag, the first water inlet pipe and the second water inlet pipe can be better cleaned, and the purity of the powder is increased when the powder is recycled. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a kind of stereoscopic structure schematic view of front of the present application;

[0015] Figure 2 is a kind of stereoscopic structure schematic view of back of the present application;

[0016] Figure 3 is a kind of stereoscopic structure schematic view of plug-in reinforcing sleeve;

[0017] Figure 4 is Figure 2 enlarged structure schematic view of A in

[0018] In the figure: 1, scissor arm lifting platform;2, first storage box;21, first discharge pipe;3, second storage box;31, second discharge pipe;32, feeding roller;4, steep slope of feeding;41, connecting rod;4, stop lever;5, powder bag;51, first ear;52, second ear;53, drainage thickening layer;54, wooden tray;61, gantry;62, auxiliary frame;63, lifting cylinder;64, first water inlet pipe;65, plug-in reinforcing sleeve;651, inner cavity;652, flaring device;653, flaring piece;66, water pump box;67, second water inlet pipe;68, lifting plate;69, material blocking frame;691, handle;610, material placing frame;611, sliding chute;612, drain pipe;613, valve. DETAILED DESCRIPTION

[0019] The technical solutions of the present application will be further specifically described below by examples, and combined with the drawings.

[0020] Example: a kind of powder recycling device, as Figures 1-4As shown, including scissors arm lifting platform 1, the top of scissors arm lifting platform 1 is respectively provided with first storage box 2 and second storage box 3, the top of first storage box 2 and second storage box 3 is provided with opening, the storage capacity of second storage box 3 is greater than first storage box 2, and a plurality of feeding rollers 32 are arranged at the opening, the top of first storage box 2 is provided with wooden pallet 54, powder bag 5 is placed on wooden pallet 54, gantry 61 is arranged above second storage box 3, gantry 61 is installed corresponding to both sides of scissors arm lifting platform 1 and ground, auxiliary frame 62 is arranged at the top of gantry 61, lifting cylinder 63 is arranged at the top of auxiliary frame 62, the bottom of lifting cylinder 63 penetrates through auxiliary frame 62 and is arranged downward, lifting plate 68 is arranged on the output end of lifting cylinder 63, plug-in reinforcing sleeve 65 is installed on the four corners of lifting plate 68, plug-in reinforcing sleeve 65 penetrates through the top of gantry 61 and is arranged slidingly, water pump box 66 is arranged on one side of gantry 61, first water inlet pipe 64 and second water inlet pipe 67 are respectively installed at the top of water pump box 66, first water inlet pipe 64 and second water inlet pipe 67 extend into gantry 61 through a plurality of plug-in reinforcing sleeves 65 respectively, drain pipe 612 is arranged at the bottom of water pump box 66, feeding steep slope 4 is arranged on one side of scissors arm lifting platform 1, connecting structure is arranged between feeding steep slope 4 and scissors arm lifting platform 1.

[0021] The top outside of powder bag 5 is provided with two first hanging ears 51, the top inside of powder bag 5 is provided with two second hanging ears 52, and the bottom of powder bag 5 is annularly provided with drainage thickening layer 53, a plurality of holes for draining liquid are formed on drainage thickening layer 53, and the holes penetrate through powder bag 5.

[0022] First discharge pipe 21 is connected to one side of first storage box 2, second discharge pipe 31 is connected to the rear side of second storage box 3, and valves 613 are sleeved on the output ends of first discharge pipe 21, second discharge pipe 31 and drain pipe 612.

[0023] Two branch pipes are formed on the output ends of first water inlet pipe 64 and second water inlet pipe 67, a total of four branch pipes are inserted into four plug-in reinforcing sleeves 65 respectively, and downwardly penetrate through gantry 61, inner cavities 651 for inserting branch pipes are formed in plug-in reinforcing sleeves 65, flares 652 are arranged below plug-in reinforcing sleeves 65, flares 652 are fixed in plug-in reinforcing sleeves 65 by bolts, and flared plates 653 are formed on the bottom of flares 652 and face the branch pipe side.

[0024] The material blocking frame 69 is rotatably arranged in the gantry 61, and the material blocking frame 69 is arranged at the maximum thread position corresponding to the turning of the material blocking frame 69 on the two sides of the gantry 61. A material placing frame 610 is arranged on one side of the gantry 61, and a semicircular sliding groove 611 is arranged on one side of the gantry 61. A handle 691 is arranged on one side of the material blocking frame 69 and penetrates the sliding groove 611. The material blocking frame 69 can be rotated in the gantry 61 through the handle 691 on one side along the semicircular sliding groove 611, so that the limiting effect on the distribution bag when sent to the second storage box 3 can be achieved, and the limiting effect on the two sides of the material blocking frame 69 can be achieved by cooperating with the material placing frame 610.

[0025] The principle of the present application: at this time, the device is arranged below the side of the powder waste discharge port. The powder bag 5 is placed on the wooden tray 54 and placed on the first storage box 2, or the wooden tray 54 is transported to the first storage box 2 on the scissor arm lifting platform 1 by the forklift, and then the waste is discharged through the discharge port. The liquid in the waste is separated by the drainage thickening layer 53 on the side of the bottom of the powder bag 5 through long-term standing, and is collected by the first storage box 2 at the bottom. When there is no obvious liquid separation in the powder bag 5, the powder bag 5 is pulled to the second storage box 3 by artificial or external chain, and when moving, the material blocking frame 69 is held by the handle 691 and turned to the right side through the sliding groove 611, and is placed on the right side of the material placing frame 610. When the wooden tray 54 moves, the material blocking frame 69 can be used to limit it.

[0026] At this time, the lifting cylinder 63 at the top is opened, the lifting plate 68 and the plurality of plug-in reinforcing sleeves 65 at the output end are moved downward, the flaring device 652 at the bottom of the plug-in reinforcing sleeve 65 is inserted into the inside of the powder bag 5 in cooperation with the inwardly bent flaring piece 653, and the flaring piece 653 can protect the first water inlet pipe 64 and the second water inlet pipe 67 placed in the plug-in reinforcing sleeve 65. The water pump in the water pump box 66 is opened to pump water from the outside to the powder bag 5, so that the powder bag 5 can be cleaned, and the residual liquid in the inside can be cleaned and collected by the second storage box 3.

[0027] Finally, it should be pointed out that the above embodiments are only more representative examples of the present application. Obviously, the present application is not limited to the above embodiments, and many modifications can be made. Any simple modification, equivalent change and modification made according to the technical essence of the present application to the above embodiments shall be considered as falling within the protection scope of the present application.

Claims

1. A powder recovery device comprising a scissor arm lift platform (1), characterized in that: The top of the scissor arm lifting platform (1) is respectively provided with a first storage box (2) and a second storage box (3), the top of the first storage box (2) and the second storage box (3) is provided with an opening, and a plurality of feeding rollers (32) are arranged at the opening, the top of the first storage box (2) is provided with a wooden tray (54), the wooden tray (54) is placed with a powder bag (5), the top of the second storage box (3) is provided with a portal frame (61), the portal frame (61) is installed on the ground corresponding to the two sides of the scissor arm lifting platform (1), the top of the portal frame (61) is provided with an auxiliary frame (62), the top of the auxiliary frame (62) is provided with a lifting cylinder (63), the bottom of the lifting cylinder (63) penetrates the auxiliary frame (62) and is arranged downwardly, the output end of the lifting cylinder (63) is provided with a lifting plate (68), the four corners of the lifting plate (68) are respectively provided with a plug-in reinforcing sleeve (65), the plug-in reinforcing sleeve (65) penetrates the top of the portal frame (61) and is arranged slidingly, one side of the portal frame (61) is provided with a water pump box (66), the top of the water pump box (66) is respectively provided with a first water inlet pipe (64) and a second water inlet pipe (67), the first water inlet pipe (64) and the second water inlet pipe (67) extend into the portal frame (61) through a plurality of plug-in reinforcing sleeves (65) respectively, the bottom of the water pump box (66) is provided with a drain pipe (612), one side of the scissor arm lifting platform (1) is provided with a feeding steep slope (4), and a connecting structure is arranged between the feeding steep slope (4) and the scissor arm lifting platform (1).

2. A powder recovery device according to claim 1, characterized in that: The top of the powder bag (5) is provided with two first hanging ears (51), the top of the inner side of the powder bag (5) is provided with two second hanging ears (52), and the bottom of the powder bag (5) is annularly provided with a drainage thickening layer (53), a plurality of holes for draining liquid are formed in the drainage thickening layer (53), and the holes penetrate the powder bag (5).

3. A powder recovery device according to claim 1, wherein: One side of the first storage box (2) is connected with a first discharge pipe (21), the rear side of the second storage box (3) is connected with a second discharge pipe (31), and the output ends of the first discharge pipe (21), the second discharge pipe (31) and the drain pipe (612) are respectively sleeved with a valve (613).

4. A powder recovery device according to claim 1, characterized in that: The output ends of the first water inlet pipe (64) and the second water inlet pipe (67) are respectively provided with two branch pipes, a total of four branch pipes are respectively inserted into four plug-in reinforcing sleeves (65) and penetrate the portal frame (61) downwardly.

5. A powder recovery device according to claim 4, wherein: An inner cavity (651) for inserting the branch pipe is formed in the plug-in reinforcing sleeve (65), an expander (652) is arranged below the plug-in reinforcing sleeve (65), the expander (652) is fixed in the plug-in reinforcing sleeve (65) through bolts, and the bottom of the expander (652) is bent towards the side of the branch pipe to form an expanding piece (653).

6. A powder recovery device according to claim 1, characterized in that: The material blocking frame (69) is rotatably arranged in the portal frame (61), and material placing frames (610) are arranged at the positions corresponding to the maximum thread of the material blocking frame (69) on the two sides of the portal frame (61), and a semicircular sliding groove (611) is formed on one side of the portal frame (61), and a handle (691) is arranged on one side of the material blocking frame (69) and penetrates through the sliding groove (611).

7. A powder recovery device according to claim 1, wherein: The connecting structure comprises connecting rods (41) rotatably arranged on the two sides of the feeding steep slope (4), the scissor arm lifting platform (1) is provided with a stop rod (4) at the front end corresponding to the connecting rod (41), the connecting rod (41) is provided with a bayonet hole corresponding to the stop rod (4), and the front end of the connecting rod (41) is clamped with the stop rod (4) through the bayonet hole.

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