CN209984988U - DOTP finished product decoloration device - Google Patents
DOTP finished product decoloration device Download PDFInfo
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- CN209984988U CN209984988U CN201920523316.7U CN201920523316U CN209984988U CN 209984988 U CN209984988 U CN 209984988U CN 201920523316 U CN201920523316 U CN 201920523316U CN 209984988 U CN209984988 U CN 209984988U
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Abstract
The utility model belongs to the technical field of DOTP production and processing technique and specifically relates to a DOTP finished product decoloration device and application method thereof. The decoloration jar of this kind of device includes the upper end jar body and the lower extreme jar body, and the lower extreme of the upper end jar body and the upper end of the lower extreme jar body all are provided with the flange joint end, and the flange joint end of the upper end jar body and the lower extreme jar body passes through bolt and nut locking, and the top of the upper end jar body is provided with the quick-opening manhole, and the internal portion of upper end jar is provided with sand removal mechanism, and the outer wall lower extreme bilateral symmetry of the lower extreme jar body is provided with the landing leg, and the internal wall of lower extreme jar is. The utility model discloses a DOTP finished product decoloration device and application method thereof, structural design is novel, and the decoloration sand is restricted in the decoloration jar of transverse screen cloth upper end for DOTP finished product after the decoloration sand decoloration can be fast with decoloration sand separation, has not only improved decoloration efficiency, has reduced the hard of decoloration sand moreover, more will decoloration sand the utilization ratio from 50% promote more than 90%.
Description
Technical Field
The utility model belongs to the technical field of DOTP production and processing technique and specifically relates to a DOTP finished product decoloration device.
Background
Diisooctyl terephthalate (DOTP) is a plasticizer with excellent performance developed in the early 70 s, has good electrical insulation, cold resistance, extraction resistance and flexibility, and has small volatility and high plasticizing efficiency. DOTP is also known as a non-toxic plasticizer, which can be substituted for dioctyl phthalate (DOP) as the primary plasticizer. When the waste polyester is used for producing dioctyl terephthalate (DOTP), the used raw materials are the waste polyester and octanol, and the products are DOTP and glycol. Because the waste terylene has various colors and the terylene dye is very stable, the product DOTP contains the residual dye in the raw materials, so the color of the DOTP is unstable, and the use of downstream users is influenced.
At present, most of industrialized DOTP finished product decolorants adopt a mode that DOTP finished products are directly mixed with decoloration sand in a tank body for decoloration, the decoloration sand and DOTP in the decoloration mode are inconvenient to separate, the consumption of the decoloration sand is large, and the utilization rate of the decoloration sand is low and is only 50%. Therefore, how to provide a DOTP finished product decoloration device, improve the utilization ratio of the decoloration sand in the finished product DOTP decoloration process, improve the efficiency of the DOTP decoloration process is a problem that the technical personnel in the field need to solve urgently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a DOTP finished product decoloration device, it is inconvenient with the DOTP separation to overcome DOTP decoloration process decoloration sand among the aforementioned prior art, and decoloration sand quantity is big, and the low not enough of decoloration sand utilization ratio.
The utility model provides a technical scheme that its technical problem adopted is:
a DOTP finished product decolorization device comprises a decolorization tank, a feed inlet arranged at the upper end of the decolorization tank and a discharge outlet arranged at the lower end of the decolorization tank, wherein the decolorization tank comprises an upper tank body and a lower tank body, the lower end of the upper tank body and the upper end of the lower tank body are both provided with flange connecting ends, the flange connecting ends of the upper tank body and the lower tank body are locked by bolts and nuts, the top of the upper tank body is provided with a quick-opening manhole, the inside of the upper tank body is provided with a sand cleaning mechanism, the lower end of the outer wall of the lower tank body is bilaterally and symmetrically provided with supporting legs, a group of travelling wheels are arranged below the supporting legs; a guide rail matched with the travelling wheel is fixed on the ground right below the travelling wheel; a group of tank body auxiliary shifting mechanisms are symmetrically arranged between the outer walls of the upper tank body and the lower tank body in the left-right direction; the outer wall of the upper-end tank body is uniformly provided with a circle of support lugs, the support lugs extend outwards and are welded with transverse fixing plates, the lower surfaces of the tail ends of the transverse fixing plates are welded with longitudinal fixing plates, the tail ends of the longitudinal fixing plates are fixed on the ground, the upper surfaces of the tail ends of the transverse fixing plates are welded with inclined fixing plates, the upper surfaces of the inclined fixing plates are welded with operation table tops, through holes are formed in the middle of the operation table tops, and the top of the upper-end tank body of the decolorizing tank penetrates out upwards from; a support frame in an inverted U-shaped structure is fixed on the operating table top, and a chain block is arranged on the support frame.
Furthermore, the sand removal mechanism comprises a longitudinal rod, a circular ring arranged at the upper end of the longitudinal rod, a plurality of layers of inclined rods arranged at the middle lower part of the longitudinal rod, a limiting sleeve sleeved on the upper part of the longitudinal rod, a connecting rod used for fixing the limiting sleeve on the inner wall of the upper tank body and a horizontal limiting disc arranged at the upper part of the longitudinal rod and positioned at the upper end of the limiting sleeve, wherein the longitudinal rod is clamped on the limiting sleeve through the limiting disc to keep the position stable.
Furthermore, the horizontal distance between the tail end of the inclined rod and the inner wall of the upper tank body is 1-2cm, and rod bodies of the upper and lower layers of inclined rods are arranged in a staggered manner; the ring of longitudinal rod upper end is located and opens under the manhole soon, opens when opening the manhole soon, exposes the ring, connects the ring through chain block's couple, stimulates longitudinal rod rebound, and crisscross sloping pole is pulled the jar internal tight decoloration sand of using back and is ploughed loosely.
Furthermore, the vertical distance between the transverse fixing plate and the ground is greater than the vertical distance between the transverse fixing plate and the lowest point of the travelling wheel, so that enough space is ensured below the decolorizing tank for installing pipelines and other components in the system.
Further, jar supplementary shift mechanism of body includes backup pad, cylinder, connecting piece and connects the horizontal pole, the backup pad welds in the outer wall of the upper end jar of body, the one end and the backup pad lower surface of cylinder are fixed, and the other end of cylinder is provided with the connecting piece, and the connecting piece is including setting up in the arc of cylinder lower extreme and setting up in arc opening side's chain, and the chain forms closed loop structure with the arc, it sets up on the outer wall of the lower extreme jar of body to connect the horizontal pole.
Furthermore, one side of guide rail is provided with the stopper, and the walking wheel of the lower extreme jar of body moves to and is located the upper end jar of body under when contacting with the stopper lower extreme jar of body.
Furthermore, one side of the operation table top is provided with a ladder stand, and guardrails or guard plates are arranged on the periphery of the upper surface of the operation table top.
A use method of a DOTP finished product decoloring device in a DOTP decoloring process comprises the following steps: the DOTP finished product is thrown into the intermediate tank, the outer wall of the intermediate tank is coated with a cavity layer, steam enters the upper end of the cavity layer, condensed water is discharged from the lower end, the DOTP finished product is heated to 175-plus-180 ℃ through the intermediate tank and then is pumped into the DOTP finished product decolorization device, the DOTP finished product enters from a feed inlet at the upper end of the DOTP finished product decolorization device and is decolorized through decolorizing sand, then flows to the bottom end of the decolorization tank through a transverse screen, and the DOTP finished product is discharged from a discharge outlet at the.
Further, the lower tank body is used for standby, when the decolored sand in the tank body needs to be replaced, the cylinder position of the auxiliary shifting mechanism of the tank body is adjusted, the chain is hung on the connecting cross rod, the bolt and the nut at the flange connecting end of the upper tank body and the lower tank body are detached, the travelling wheel of the lower tank body is slowly and stably descended onto the guide rail through the cylinder, the chain and the connecting cross rod, the lower tank body is moved away and cleaned through the guide rail, the decolored sand accommodating groove is arranged under the upper tank body, an operator climbs onto the operating table through the crawling ladder, the quick-opening manhole is opened, the movable hook of the chain block is connected with the ring of the sand cleaning mechanism, the sand cleaning mechanism is lifted up through the chain block, the decolored sand in the upper tank body falls into the decolored sand accommodating groove after being loosened, and the decolored sand in the upper tank body is cleaned, the other standby lower tank body is moved to the guide, adjusting the position of a cylinder of the auxiliary tank body shifting mechanism, hanging a chain on a connecting cross rod, lifting the lower tank body until the lower tank body is contacted with the upper tank body, locking the upper tank body and the lower tank body by bolts and nuts, resetting the sand cleaning device, adding decolorizing sand into the decolorizing tank through the quick-opening manhole, quickly opening the manhole on the pipe wall, and restarting the equipment to decolorize the DOTP finished product.
Further, 250-mesh decolorizing sand is selected as the decolorizing sand, 320-mesh screen is selected as the transverse screen, and traveling wheels are also arranged on the lower surface of the decolorizing sand accommodating groove.
The utility model has the advantages that: compared with the prior art, the utility model discloses a DOTP finished product decoloration device, structural design is novel, and the decoloration sand is restricted in the decoloration jar of transverse screen cloth upper end, makes the DOTP finished product after the decoloration sand decoloration can separate with the decoloration sand fast, has not only improved decoloration efficiency, has reduced the hard of decoloration sand moreover, has promoted the utilization ratio of decoloration sand more than 90% from 50%; when the decolorizing sand needs to be replaced, the tank body is convenient to disassemble, the decolorizing sand is quickly cleaned by the sand cleaning mechanism, the compact decolorizing sand in the doffing pipe is ploughed, loosened and quickly discharged, and the working efficiency is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;
fig. 2 is another angle structure diagram of embodiment 1 of the present invention;
FIG. 3 is an enlarged schematic view of the overall structure of the decolorizing tank of the present invention;
FIG. 4 is an enlarged schematic view of the sand removing mechanism inside the decolorizing tank;
wherein, 1 decolorizing tank, 2 feed inlets, 3 discharge outlets, 4 upper tank bodies, 5 lower tank bodies, 6 flange connecting ends, 7 quick-opening manholes, 8 support legs, 9 traveling wheels, 10 transverse screens, 11 guide rails, 12 support lugs, 13 transverse fixing plates, 14 longitudinal fixing plates, 15 inclined fixing plates, 16 operation table tops, 17 through holes, 18 support frames, 19 chain blocks, 20 longitudinal rods, 21 circular rings, 22 inclined rods, 23 limiting sleeves, 24 connecting rods, 25 limiting disks, 26 supporting plates, 27 cylinders, 28 connecting pieces, 29 connecting transverse rods, 30 limiting blocks, 31 crawling ladders and 32 guard plates.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.
In the embodiment shown in fig. 1-4, a DOTP finished product decoloring device is a DOTP finished product decoloring device, and comprises a decoloring tank 1, a feed inlet 2 arranged at the upper end of the decoloring tank 1 and a discharge outlet 3 arranged at the lower end of the decoloring tank 1, wherein the decoloring tank 1 comprises an upper tank body 4 and a lower tank body 5, flange connecting ends 6 are arranged at the lower end of the upper tank body 4 and the upper end of the lower tank body 5, the flange connecting ends 6 of the upper tank body 4 and the lower tank body 5 are locked by bolts and nuts, a quick-opening manhole 7 is arranged at the top of the upper tank body 4, a sand cleaning mechanism is arranged inside the upper tank body 4, supporting legs 8 are symmetrically arranged at the lower end of the outer wall of the lower tank body 5, a group of travelling wheels 9 are arranged below the supporting legs 8, a transverse screen 10 is arranged on the inner wall of the lower tank body 5, decoloring sand is, the transverse screen 10 is a 320-mesh screen; a guide rail 11 matched with the walking wheel 9 is fixed on the ground right below the walking wheel 9; a group of tank body auxiliary displacement mechanisms are symmetrically arranged between the outer walls of the upper tank body 4 and the lower tank body 5 in the left-right direction; a circle of support lugs 12 are uniformly arranged on the outer wall of the upper-end tank body, transverse fixing plates 13 are welded on the support lugs 12 in an outward extending mode, longitudinal fixing plates 14 are welded on the lower surfaces of the tail ends of the transverse fixing plates 13, the tail ends of the longitudinal fixing plates 14 are fixed on the ground, inclined fixing plates 15 are welded on the upper surfaces of the tail ends of the transverse fixing plates 13, operation table tops 16 are welded on the upper surfaces of the inclined fixing plates 15, through holes 17 are formed in the middles of the operation table tops 16, and the top of the upper-end tank body of the decoloring tank 1 penetrates out of the; a support frame 18 in an inverted U-shaped structure is fixed on the operating table top 16, and a chain block 19 is arranged on the support frame 18.
In this embodiment, the sand removing mechanism includes a longitudinal rod 20, a ring 21 disposed at the upper end of the longitudinal rod 20, a plurality of layers of inclined rods 22 disposed at the middle lower portion of the longitudinal rod 20, a limiting sleeve 23 sleeved on the upper portion of the longitudinal rod 20, a connecting rod 24 for fixing the limiting sleeve 23 on the inner wall of the upper tank 4, and a horizontal limiting disc 25 disposed at the upper portion of the longitudinal rod 20 and located at the upper end of the limiting sleeve 23. The horizontal distance between the tail end of the inclined rod 22 and the inner wall of the upper tank body 4 is 1-2cm, and the rod bodies of the upper and lower layers of inclined rods 22 are arranged in a staggered manner; the circular ring 21 at the upper end of the longitudinal rod 20 is positioned right below the quick-opening manhole 7. The vertical distance between the transverse fixing plate 13 and the ground is larger than that between the transverse fixing plate 13 and the lowest point of the road wheels 9.
In this embodiment, jar body is assisted shift mechanism includes backup pad 26, cylinder 27, connecting piece 28 and connects horizontal pole 29, backup pad 26 welds in the outer wall of the upper end jar body 4, the surface mounting under one end and the backup pad 26 of cylinder 27, the other end of cylinder 27 are provided with connecting piece 28, and the connecting piece is including setting up in the arc of cylinder 27 lower extreme and setting up in the open side chain of arc, and the chain forms closed loop structure with the arc, connect horizontal pole 29 and set up on the outer wall of the lower extreme jar body 5.
In this embodiment, one side of guide rail 11 is provided with stopper 30, and lower extreme jar of body 5 is located the upper end jar of body 4 under when the walking wheel 9 of the lower extreme jar of body 5 moves to and contacts with stopper 30.
In this embodiment, a ladder 31 is disposed on one side of the operation table, and a guard plate 32 is disposed around the upper surface of the operation table.
A use method of a DOTP finished product decoloring device in a DOTP decoloring process comprises the following steps: the DOTP finished product is squeezed into the intermediate tank, the outer wall of the intermediate tank is coated with a cavity layer, steam enters the upper end of the cavity layer, condensed water is discharged from the lower end, the DOTP finished product is heated to 175-plus 180 ℃ by the intermediate tank and then is pumped into the DOTP finished product decolorization device in the embodiment 1, decolorization sand is reserved after entering from a feed inlet 2 at the upper end of the DOTP finished product decolorization device, then the DOTP finished product flows to the bottom end of the decolorization tank 1 through a transverse screen 10, and the DOTP finished product is squeezed into the finished product tank after being discharged from a discharge.
In this embodiment, the lower tank 5 is used for one purpose, when the decolorized sand in the decolorization tank 1 needs to be replaced, the position of the cylinder 27 of the tank auxiliary shifting mechanism is adjusted, the chain is hung on the connecting cross bar 29, the bolt and the nut of the flange connecting end 6 of the upper tank 4 and the lower tank 5 are detached, the travelling wheel 9 of the lower tank 5 is slowly and stably descended onto the guide rail 11 through the cylinder 27, the chain and the connecting cross bar 29, the lower tank 5 is removed and cleaned through the guide rail 11, the decolorized sand accommodating groove is arranged right below the upper tank 4, an operator climbs onto the operation table surface 16 through the ladder stand 31, the quick-opening manhole 7 is opened, the movable hook of the chain block 19 is connected with the ring 21 of the sand cleaning mechanism, the sand cleaning mechanism is lifted up through the chain block 19, the decolorized sand in the upper tank 4 falls to the decolorized sand accommodating groove after being loosened, and the decolorized sand in the upper tank 4 is cleaned, moving the other standby lower tank body 5 to a limiting block 30 of the guide rail 11, adjusting the position of a cylinder 27 of the auxiliary tank body shifting mechanism, hanging a chain on a connecting cross rod 29, lifting the lower tank body 5 to be in contact with the upper tank body 4, locking the upper tank body 4 and the lower tank body 5 by using a bolt and a nut, resetting the sand cleaning device, adding decolorizing sand into the decolorizing tank 1 through the quick-opening manhole 7, closing the quick-opening manhole 7, and restarting the equipment to decolorize the DOTP finished product.
In this embodiment, the decoloration sand storage tank lower surface also is provided with the walking wheel.
The device and the method of the embodiment are already applied to the DOTP finished product decoloring process of Shandong Runsheng chemical technology Co., Ltd and Shandong Runling New Material technology Co., Ltd, and the utilization rate of the decolored sand is successfully improved from 50% to more than 90%.
The above embodiments are only specific cases of the present invention, and the protection scope of the present invention includes but is not limited to the forms and styles of the above embodiments, and any suitable changes or modifications made thereto by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.
Claims (7)
1. The utility model provides a DOTP finished product decoloration device, includes the decoloration jar, sets up in the feed inlet of decoloration jar upper end and sets up in the discharge gate of decoloration jar lower extreme, its characterized in that: the decoloring tank comprises an upper tank body and a lower tank body, flange connecting ends are arranged at the lower end of the upper tank body and the upper end of the lower tank body, the flange connecting ends of the upper tank body and the lower tank body are locked through bolts and nuts, a quick-opening manhole is arranged at the top of the upper tank body, a sand cleaning mechanism is arranged inside the upper tank body, supporting legs are symmetrically arranged at the lower end of the outer wall of the lower tank body in the left-right direction, a group of travelling wheels are arranged below the supporting legs, a transverse screen is arranged on the inner wall of the lower tank body, and decoloring sand is placed in; a guide rail matched with the travelling wheel is fixed on the ground right below the travelling wheel; a group of tank body auxiliary shifting mechanisms are symmetrically arranged between the outer walls of the upper tank body and the lower tank body in the left-right direction; the outer wall of the upper-end tank body is uniformly provided with a circle of support lugs, the support lugs extend outwards and are welded with transverse fixing plates, the lower surfaces of the tail ends of the transverse fixing plates are welded with longitudinal fixing plates, the tail ends of the longitudinal fixing plates are fixed on the ground, the upper surfaces of the tail ends of the transverse fixing plates are welded with inclined fixing plates, the upper surfaces of the inclined fixing plates are welded with operation table tops, through holes are formed in the middle of the operation table tops, and the top of the upper-end tank body of the decolorizing tank penetrates out upwards from; a support frame in an inverted U-shaped structure is fixed on the operating table top, and a chain block is arranged on the support frame.
2. A DOTP finished product decolorization device according to claim 1, characterized in that: the sand removing mechanism comprises a longitudinal rod, a circular ring arranged at the upper end of the longitudinal rod, a plurality of layers of inclined rods arranged at the middle lower part of the longitudinal rod, a limiting sleeve sleeved on the upper part of the longitudinal rod, a connecting rod used for fixing the limiting sleeve on the inner wall of the upper tank body and a horizontal limiting disc arranged at the upper part of the longitudinal rod and positioned at the upper end of the limiting sleeve.
3. A DOTP finished product decolorization device according to claim 2, characterized in that: the horizontal distance between the tail end of the inclined rod and the inner wall of the upper tank body is 1-2cm, and rod bodies of the upper and lower layers of inclined rods are arranged in a staggered mode; and the circular ring at the upper end of the longitudinal rod is positioned right below the quick-opening manhole.
4. A DOTP finished product decolorization device according to claim 1, characterized in that: the vertical distance between the transverse fixing plate and the ground is greater than the vertical distance between the transverse fixing plate and the lowest point of the walking wheels.
5. A DOTP finished product decolorization device according to claim 4, characterized in that: the jar body is assisted shift mechanism and is included backup pad, cylinder, connecting piece and connection horizontal pole, the backup pad welds in the outer wall of the upper end jar body, the one end and the backup pad lower surface of cylinder are fixed, and the other end of cylinder is provided with the connecting piece, and the connecting piece is including setting up in the arc of cylinder lower extreme and setting up in arc opening side's chain, and the chain forms closed loop structure with the arc, it sets up on the outer wall of the lower extreme jar body to connect the horizontal pole.
6. A DOTP finished product decolorization device according to claim 5, characterized in that: a limiting block is arranged on one side of the guide rail, and the lower tank body is located under the upper tank body when the walking wheel of the lower tank body moves to be in contact with the limiting block.
7. A DOTP finished product decolorization device according to claim 1, characterized in that: a ladder stand is arranged on one side of the operating table board, and guardrails or guard plates are arranged on the periphery of the upper surface of the operating table board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920523316.7U CN209984988U (en) | 2019-04-17 | 2019-04-17 | DOTP finished product decoloration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920523316.7U CN209984988U (en) | 2019-04-17 | 2019-04-17 | DOTP finished product decoloration device |
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| Publication Number | Publication Date |
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| CN209984988U true CN209984988U (en) | 2020-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920523316.7U Active CN209984988U (en) | 2019-04-17 | 2019-04-17 | DOTP finished product decoloration device |
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| CN (1) | CN209984988U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109865314A (en) * | 2019-04-17 | 2019-06-11 | 山东润林新材料科技有限公司 | A kind of DOTP finished product decoloration device and its application method |
-
2019
- 2019-04-17 CN CN201920523316.7U patent/CN209984988U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109865314A (en) * | 2019-04-17 | 2019-06-11 | 山东润林新材料科技有限公司 | A kind of DOTP finished product decoloration device and its application method |
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