CN113651111A - PTA powder high-temperature closed pipeline integrated feeding equipment and feeding process - Google Patents
PTA powder high-temperature closed pipeline integrated feeding equipment and feeding process Download PDFInfo
- Publication number
- CN113651111A CN113651111A CN202110818950.5A CN202110818950A CN113651111A CN 113651111 A CN113651111 A CN 113651111A CN 202110818950 A CN202110818950 A CN 202110818950A CN 113651111 A CN113651111 A CN 113651111A
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- China
- Prior art keywords
- polyester
- closed pipeline
- pipe
- powder high
- temperature closed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
- B65G53/06—Gas pressure systems operating without fluidisation of the materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B1/30—Devices or methods for controlling or determining the quantity or quality or the material fed or filled
- B65B1/32—Devices or methods for controlling or determining the quantity or quality or the material fed or filled by weighing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B37/00—Supplying or feeding fluent-solid, plastic, or liquid material, or loose masses of small articles, to be packaged
- B65B37/14—Supplying or feeding fluent-solid, plastic, or liquid material, or loose masses of small articles, to be packaged by pneumatic feeders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B63/00—Auxiliary devices, not otherwise provided for, for operating on articles or materials to be packaged
- B65B63/08—Auxiliary devices, not otherwise provided for, for operating on articles or materials to be packaged for heating or cooling articles or materials to facilitate packaging
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/66—Use of indicator or control devices, e.g. for controlling gas pressure, for controlling proportions of material and gas, for indicating or preventing jamming of material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/20—Auxiliary treatments, e.g. aerating, heating, humidifying, deaerating, cooling, de-watering or drying, during loading or unloading; Loading or unloading in a fluid medium other than air
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quality & Reliability (AREA)
- Polyesters Or Polycarbonates (AREA)
Abstract
The invention discloses integrated feeding equipment and a feeding process for a PTA powder high-temperature closed pipeline, wherein the feeding equipment comprises a refining dryer, the refining dryer is connected with a rotary valve through a guide pipe, the rotary valve is respectively connected with a heat exchanger and a polyester bin through guide pipes, the heat exchanger is connected with a packing bin through guide pipes, the polyester bin is connected with a batching tank through guide pipes, the batching tank is respectively connected with an ethylene glycol chamber and a polyester reactor through guide pipes, and the ethylene glycol chamber is connected with a tank area through guide pipes. The invention integrates the defect that the layout of each production device is too dispersed, so that the production devices are in the same production park, and the production cost is reduced; secondly, the resource utilization efficiency is improved, the surplus water, electricity and gas produced by the device are effectively utilized, the resource integration is realized, the production cost is reduced, and thirdly, the potential safety hazard in the transportation process is reduced.
Description
Technical Field
The invention relates to the technical field of chemical industry, in particular to PTA powder high-temperature closed pipeline integrated feeding equipment and a feeding process.
Background
The PTA powder is conveyed to a polyester device through a tank car, the conveying distance is long, the economy is not enough, and the powder cannot be discharged by 100% by the tank car, so that the powder waste is caused;
the PTA powder ton bag is transported by a waterway, and also has the defect of long transportation distance; in order to ensure continuous production, a subsequent polyester manufacturer usually needs to order in advance and build a warehouse to store PTA powder, a crane worker needs to be equipped for unloading and feeding at a wharf, the PTA powder is conveyed to the warehouse and a polyester device by the aid of the PTA storehouse pipe and the crane worker, and then the polyester device is fed by the crane worker, so that the investment cost and the labor cost are high, and certain safety risk is also caused when the crane runs in a plant area.
The polyester device that the productivity is big, except that during the maintenance of parking, the device operation is incessant, needs many workers of throwing usually, and it is well known that the PTA dust inhales too much and can cause the influence to healthy to concentration reaches certain degree can explode in the air, has certain safe risk. To sum up, ton bag packing transportation puts into production to the polyester device, has both increased the recruitment cost, has certain safe risk and is unfavorable for staff's life health.
In summary, there is a need in the market for an integrated apparatus that does not cool, does not transport the PTA powder, and directly delivers it to the polyester plant through a closed conduit in a pneumatic manner.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides PTA powder high-temperature closed pipeline integrated feeding equipment and a feeding process.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a PTA powder high temperature closed conduit integration feeding equipment, includes the refined desiccator, the refined desiccator has the rotary valve through pipe connection, the rotary valve is connected with heat exchanger and polyester feed bin respectively through the pipe, the heat exchanger has packing feed bin through pipe connection, the polyester feed bin has the batching jar through pipe connection, the batching jar is connected with ethylene glycol room and polyester reactor respectively through the pipe, the ethylene glycol room has the jar district through pipe connection.
As a further description of the above technical solution:
the refined desiccator fixedly connected with first intake pipe, rotary valve fixedly connected with second intake pipe.
As a further description of the above technical solution:
the packing feed bin is provided with three, and three the packing feed bin all disposes weighing system.
As a further description of the above technical solution:
one of the packing bins and the polyester bin are communicated with each other through a guide pipe for gas conveying, and a conveying track is arranged between the other two packing bins and the polyester bin.
As a further description of the above technical solution:
the heat exchanger adopts a water circulation mode to adjust the temperature.
As a further description of the above technical solution:
the first air inlet pipe is used for introducing purified terephthalic acid, and the second air inlet pipe is used for introducing nitrogen.
The invention also provides a PTA powder high-temperature closed pipeline integrated feeding process, and the feeding process adopts the PTA powder high-temperature closed pipeline integrated feeding equipment to feed the PTA powder.
The invention has the following beneficial effects:
1. compared with the prior art, the PTA powder high-temperature closed pipeline integrated feeding equipment integrates the defect of over-dispersed layout of each production device, so that the production devices are in the same production park, and the production cost is reduced; and secondly, the resource utilization efficiency is improved, the surplus water, electricity and gas produced by the device are effectively utilized, and the resource integration is realized. The PTA product is directly conveyed to a polyester device in a pneumatic conveying mode through a closed pipeline without cooling or transferring, so that the cost can be effectively controlled, the PTA production energy consumption is reduced, and better economic benefits are created for enterprises.
2. Compared with the prior art, the PTA powder high-temperature closed pipeline integrated feeding equipment avoids the risk of explosion of the PTA powder in the transportation process and the occurrence of the situation of physical harm caused by the suction of carrying personnel in the transfer process.
Drawings
FIG. 1 is a schematic structural diagram of an integrated feeding device for PTA powder high-temperature closed pipelines provided by the invention.
Illustration of the drawings:
1. a refining dryer; 2. rotating the valve; 3. a heat exchanger; 4. a packing bin; 5. a dosing tank; 6. a glycol chamber; 7. a tank area; 8. a polyester storage bin; 9. a polyester reactor; 10. a first intake pipe; 11. a second intake pipe; 12. a conduit.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the integrated feeding equipment for the high-temperature closed pipeline of the PTA powder provided by the invention comprises a refining dryer 1, wherein the refining dryer 1 is connected with a rotary valve 2 through a guide pipe 12, the rotary valve 2 is respectively connected with a heat exchanger 3 and a polyester bin 8 through the guide pipe 12, the heat exchanger 3 is connected with a packing bin 4 through the guide pipe 12, the polyester bin 8 is connected with a batching tank 5 through the guide pipe 12, the batching tank 5 is respectively connected with an ethylene glycol chamber 6 and a polyester reactor 9 through the guide pipe 12, and the ethylene glycol chamber 6 is connected with a tank area 7 through the guide pipe 12.
The first intake pipe 10 of refining desiccator 1 fixedly connected with, the second intake pipe 11 of rotary valve 2 fixedly connected with.
The packing feed bin 4 is provided with threely, and three packing feed bin 4 all dispose weighing system. The temperature of the purified terephthalic acid packaging bin 4 is designed to be increased to X, the normal temperature is controlled to be Y, and the highest temperature is controlled to be Z. The capacity M is designed, the single residence time of the silo is N hours. The number of the packing bins 4 is three, the number of the packing bins is F-2000A/B/C, one packing bin is designed as a hot material bin, and the whole heat insulation design is needed to keep the normal temperature of the powder. Weighing system is all disposed to three feed bin, be used for detecting output, use when switching with different feed bin functions, it carries out gas transport to lead to pipe 12 between one of them packing feed bin 4 and the polyester feed bin 8, set up the transfer orbit between two other packing feed bins 4 and the polyester feed bin 8, hot feed bin unloading end design tank wagon, packing system and air-conveying system, polyester feed bin 8 is directly sent into to air-conveying system PTA high temperature powder, tank wagon and packing system transmit through the transfer orbit, the design of this system is exactly that the polyester feed bin 8 is directly sent into for the high temperature PTA powder does not cool down, get into polyester reactor 9 batching jar 5 by polyester feed bin 8 again and mix with ethylene glycol, the misce bene need heat to be close reaction temperature back through heat exchanger 3, get into polyester reactor 9 again and react. The temperature of the ethylene glycol is designed to be normal temperature, the temperature of the PTA powder is high, and the ethylene glycol and the PTA powder are mixed and then heated, so that a heat source can be saved.
The heat exchanger 3 adopts a water circulation mode to adjust the temperature, and the water circulation mode is more efficient and safer in temperature adjustment.
The first gas inlet pipe 10 is used for introducing purified terephthalic acid, and the second gas inlet pipe 11 is used for introducing nitrogen.
The working principle is as follows: fine terephthalic acid powder gets into rotary valve 2 by refined desiccator 1, and nitrogen gas gets into from rotary valve 2 and produces the reaction with fine terephthalic acid powder, then sends into hot feed bin through the air supply system, and temperature control can be adjusted through the quantity of adjusting 3 circulating water of heat exchanger, guarantees to send into the temperature assurance of hot feed bin between Y to Z, because the feed bin capacity is great, and the powder detention time is longer, and temperature control is between F to Z.
Then, the material flows to one: the refining dryer 1 enters a rotary valve 2, enters a packing bin 4, then enters a polyester bin 8 and then enters a batching tank 5; the material flows to the second step: enters a rotary valve 2 from a refining dryer 1, enters a polyester silo 8 and finally enters a proportioning tank 5. The material flow direction is controlled by the temperature, and is still adjusted by adjusting the using amount of the circulating water of the heat exchanger 3.
The invention also provides a PTA powder high-temperature closed pipeline integrated feeding process, and the feeding process adopts the PTA powder high-temperature closed pipeline integrated feeding equipment to feed the PTA powder.
Unless otherwise specified, in the present invention, if there is an orientation or positional relationship indicated by terms of "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass, for example, being fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides a PTA powder high temperature closed pipeline integration feeding equipment, includes refined desiccator (1), its characterized in that: refined desiccator (1) is connected with rotary valve (2) through pipe (12), rotary valve (2) are connected with heat exchanger (3) and polyester feed bin (8) respectively through pipe (12), heat exchanger (3) are connected with packing feed bin (4) through pipe (12), polyester feed bin (8) are connected with batching jar (5) through pipe (12), batching jar (5) are connected with ethylene glycol room (6) and polyester reactor (9) respectively through pipe (12), ethylene glycol room (6) are connected with jar district (7) through pipe (12).
2. The integrated feeding equipment for the PTA powder high-temperature closed pipeline as claimed in claim 1, wherein: the refining dryer (1) is fixedly connected with a first air inlet pipe (10), and the rotary valve (2) is fixedly connected with a second air inlet pipe (11).
3. The integrated feeding equipment for the PTA powder high-temperature closed pipeline as claimed in claim 1, wherein: the packaging material bins (4) are three, and weighing systems are all configured on the three packaging material bins (4).
4. The integrated feeding equipment for the PTA powder high-temperature closed pipeline as claimed in claim 3, wherein: one of the packing bins (4) and the polyester bin (8) is in gas transmission through a guide pipe (12), and a conveying track is arranged between the other two packing bins (4) and the polyester bin (8).
5. The integrated feeding equipment for the PTA powder high-temperature closed pipeline as claimed in claim 1, wherein: the heat exchanger (3) adopts a water circulation mode to adjust the temperature.
6. The integrated feeding equipment for the PTA powder high-temperature closed pipeline as claimed in claim 2, wherein: the first air inlet pipe (10) is used for introducing purified terephthalic acid, and the second air inlet pipe (11) is used for introducing nitrogen.
7. A PTA powder high-temperature closed pipeline integrated feeding process is characterized in that: the PTA powder feeding method is carried out by adopting the PTA powder high-temperature closed pipeline integrated feeding device in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110818950.5A CN113651111A (en) | 2021-07-20 | 2021-07-20 | PTA powder high-temperature closed pipeline integrated feeding equipment and feeding process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110818950.5A CN113651111A (en) | 2021-07-20 | 2021-07-20 | PTA powder high-temperature closed pipeline integrated feeding equipment and feeding process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113651111A true CN113651111A (en) | 2021-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110818950.5A Pending CN113651111A (en) | 2021-07-20 | 2021-07-20 | PTA powder high-temperature closed pipeline integrated feeding equipment and feeding process |
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| Country | Link |
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| CN (1) | CN113651111A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114768686A (en) * | 2022-05-19 | 2022-07-22 | 济宁长兴塑料助剂有限公司 | Closed feeding system for DOTP synthesis |
-
2021
- 2021-07-20 CN CN202110818950.5A patent/CN113651111A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114768686A (en) * | 2022-05-19 | 2022-07-22 | 济宁长兴塑料助剂有限公司 | Closed feeding system for DOTP synthesis |
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