CN113694832A - Ejector for feeding of PTA oxidation reactor - Google Patents
Ejector for feeding of PTA oxidation reactor Download PDFInfo
- Publication number
- CN113694832A CN113694832A CN202110906248.4A CN202110906248A CN113694832A CN 113694832 A CN113694832 A CN 113694832A CN 202110906248 A CN202110906248 A CN 202110906248A CN 113694832 A CN113694832 A CN 113694832A
- Authority
- CN
- China
- Prior art keywords
- pipe
- fixedly connected
- block
- feeding
- oxidation reactor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 25
- 230000003647 oxidation Effects 0.000 title claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 33
- 238000002347 injection Methods 0.000 claims abstract description 17
- 239000007924 injection Substances 0.000 claims abstract description 17
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 239000002994 raw material Substances 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 20
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
- B01J4/002—Nozzle-type elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/008—Feed or outlet control devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2204/00—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices
- B01J2204/002—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices the feeding side being of particular interest
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention discloses an injector for feeding of a PTA oxidation reactor, which comprises an air inlet pipe, wherein one end of the air inlet pipe is fixedly connected with an air inlet flange, the other end of the air inlet pipe is rotatably connected with an injection nozzle, a material pipe is fixedly connected inside the injection nozzle, a feeding pipe is fixedly connected inside the air inlet pipe, one end of the feeding pipe is fixedly connected with a connecting hose, one end of the connecting hose is fixedly connected with the material pipe, the top end of the feeding pipe is fixedly connected with a feeding valve, and an adjusting assembly is arranged inside the feeding valve. According to the invention, the feeding pipe is directly arranged in the air inlet pipe, so that the material pipe can be contacted with air when discharging, the contact time of the air and the material is prolonged, the air feeding amount can be reduced to the maximum extent, excessive oxidation reaction is avoided, and raw materials are prevented from being wasted.
Description
Technical Field
The invention relates to the technical field of ejectors, in particular to an ejector for feeding a PTA oxidation reactor.
Background
The PTA oxidation reactor is used for carrying out mixed reaction on the received acetic acid, the p-xylene, the terephthalic acid, the bromine and the like to generate the pure terephthalic acid PTA. After being poured into the PTA oxidation reactor, each medium is mainly in a liquid state, and the medium in the reactor needs to be stirred and relaxed, so that the mixing speed of various media is increased, and corresponding chemical reactions occur simultaneously to generate the product PTA.
The existing PTA oxidation reactor lacks an ejector capable of ejecting air and mixed materials simultaneously, two separated ejectors are used when the air and the mixed materials are fed into the existing PTA oxidation reactor, the air feeding amount can only be increased due to the fact that the air proportion and the contact time of the mixed materials are too short in an air inlet feeding area, excessive oxidation reaction can be generated, acetic acid and paraxylene in a raw material mixture are combusted, and the reaction cost is increased.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an ejector for feeding a PTA oxidation reactor.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides an sprayer for PTA oxidation reactor feeding, includes the intake pipe, the one end fixedly connected with air intake flange of intake pipe, the other end of intake pipe is rotated and is connected with the injection nozzle, the inside fixedly connected with material pipe of injection nozzle, the inside fixedly connected with inlet pipe of intake pipe, the one end fixedly connected with coupling hose of inlet pipe, coupling hose's one end and material pipe fixed connection, the top fixedly connected with feed valve of inlet pipe, the inside of feed valve is provided with adjusting part, the bottom of intake pipe is provided with the corner subassembly.
As a further description of the above technical solution:
the adjusting assembly comprises a double-screw rod, the inner walls of the double-screw rod and the feed valve are rotatably connected near the top end, the outer surface of the double-screw rod is in threaded connection with two symmetrically-arranged sliding blocks, the bottom end of each sliding block is rotatably connected with a rocker, one end, far away from the sliding blocks, of each rocker is rotatably connected with a rotating block, the bottom end of each rotating block is rotatably connected with a connecting plate, one end, far away from the rotating block, of each connecting plate is rotatably connected with a fixed block, and the bottom end of each fixed block is fixedly connected with the inner bottom wall of the feed valve.
As a further description of the above technical solution:
the corner subassembly includes the connecting block, the bottom fixed connection of connecting block and intake pipe, the inside rotation of connecting block is connected with the lead screw, the surface threaded connection of lead screw has the regulating block, one side of regulating block is rotated and is connected with the pendulum rod, the one end of keeping away from the regulating block of pendulum rod is rotated and is connected with the locating piece, the bottom fixed connection of locating piece and jet nozzle.
As a further description of the above technical solution:
the double-screw rod penetrates through the feeding valve, and one end of the double-screw rod is fixedly connected with an adjusting button.
As a further description of the above technical solution:
the inlet pipe is L shape, and the inlet pipe is provided with the chamfer of guide usefulness.
As a further description of the above technical solution:
and an air guide groove is formed in one side of the air inlet pipe, which is close to the injection nozzle, and an air outlet groove communicated with the air guide groove is formed in the injection nozzle.
The invention has the following beneficial effects:
1. compared with the prior art, this an sprayer for PTA oxidation reactor feeding through with inlet pipe direct mount inside the air intake pipe, just can contact with the air during the material pipe ejection of compact like this, lengthened the contact time of air and material, like this can furthest make the feed volume that reduces the air, avoid producing excessive oxidation reaction, extravagant material.
2. Compared with the prior art, this an sprayer for PTA oxidation reactor feeding can control the speed of entering the miscellany material through the adjusting part that sets up, conveniently adjusts the mixing proportion of material and air, can make the injection nozzle rotate the regulation simultaneously through the corner subassembly that sets up, just so can adjust the ejection material of injection nozzle and the point of falling of air, makes things convenient for the use of reactor.
Drawings
FIG. 1 is a cross-sectional view of an eductor for a PTA oxidation reactor feed in accordance with the present invention;
FIG. 2 is an enlarged view at A of FIG. 1 of an eductor for a PTA oxidation reactor feed in accordance with the present invention;
FIG. 3 is a schematic diagram of a jet nozzle of an injector for feeding a PTA oxidation reactor in accordance with the present invention.
Illustration of the drawings:
1. an air inlet pipe; 2. an air inlet flange; 3. a spray nozzle; 4. a material pipe; 5. a feed pipe; 6. a connecting hose; 7. connecting blocks; 8. a screw rod; 9. an adjusting block; 10. a swing rod; 11. positioning blocks; 12. a feed valve; 13. a double-screw rod; 14. a slider; 15. a rocker; 16. rotating the block; 17. a connecting plate; 18. a fixed block; 19. an adjusting knob.
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. 1-3, the injector for feeding of the PTA oxidation reactor provided by the invention comprises an air inlet pipe 1, one end of the air inlet pipe 1 is fixedly connected with an air inlet flange 2, the other end of the air inlet pipe 1 is rotatably connected with an injection nozzle 3, a material pipe 4 is fixedly connected inside the injection nozzle 3, a feeding pipe 5 is fixedly connected inside the air inlet pipe 1, one end of the feeding pipe 5 is fixedly connected with a connecting hose 6, the feeding pipe 5 is L-shaped, the feeding pipe 5 is provided with a chamfer angle for guiding materials, one end of the connecting hose 6 is fixedly connected with the material pipe 4, the top end of the feeding pipe 5 is fixedly connected with a feeding valve 12, an adjusting component is arranged inside the feeding valve 12, the bottom end of the air inlet pipe 1 is provided with a corner component, the speed of feeding and mixing materials can be controlled by the adjusting component, the mixing ratio of the materials and air can be conveniently adjusted, the corner component can enable the injection nozzle 3 to be rotatably adjusted, thus, the falling points of the sprayed materials and the air of the spray nozzle 3 can be adjusted, and the reactor is convenient to use.
The adjusting part includes two screw rods 13, the inner wall of two screw rods 13 and feed valve 12 is close to top department and rotates the connection, the surface threaded connection of two screw rods 13 has the slider 14 that two symmetries set up, slider 14's bottom is rotated and is connected with rocker 15, rocker 15's the one end of keeping away from slider 14 rotates and is connected with rotating block 16, the bottom of rotating block 16 rotates and is connected with connecting plate 17, the one end of keeping away from rotating block 16 of connecting plate 17 rotates and is connected with fixed block 18, the bottom of fixed block 18 and the interior diapire fixed connection of feed valve 12, two screw rods 13 run through feed valve 12, and the one end fixedly connected with adjusting knob 19 of two screw rods 13, opening size through controlling two connecting plates 17, can control the input speed of inlet pipe 5.
The corner subassembly includes connecting block 7, the bottom fixed connection of connecting block 7 and intake pipe 1, the inside rotation of connecting block 7 is connected with lead screw 8, the surface threaded connection of lead screw 8 has regulating block 9, one side of regulating block 9 is rotated and is connected with pendulum rod 10, the one end of keeping away from regulating block 9 of pendulum rod 10 is rotated and is connected with locating piece 11, the bottom fixed connection of locating piece 11 and jet nozzle 3, the removal through regulating block 9 can be adjusted the angle of jet nozzle 3, can adjust the drop point after material and the air mixing like this, make things convenient for subsequent use.
Air guide groove has been seted up to one side that is close to injection nozzle 3 of intake pipe 1, and the inside of injection nozzle 3 is provided with the air outlet groove with air guide groove intercommunication, and the air just can be with 4 spun material direct contact of material pipe through air guide groove reflow air outlet groove.
The working principle is as follows: before the ejector is used, the screw rod 8 is rotated, the screw rod 8 moves the adjusting block 9, the adjusting block 9 rotates the swing rod 10 to drive the ejection nozzle 3 to rotate, so that the falling point of a material can be controlled, then the adjusting button 19 is rotated, the adjusting button 19 drives the double-screw 13 to rotate, so that the double-screw 13 adjusts the positions of the two sliders 14, the sliders 14 drive the rocker 15 to rotate, the rocker 15 rotates the connecting plate 17, so that the speed of the material entering the feeding pipe 5 can be controlled, finally the material is placed into the feeding valve 12, the material passes through the feeding pipe 5, the connecting hose 6 and the material pipe 4, and air is in contact mixing from the air inlet flange 2, the air inlet pipe 1 and the ejection nozzle 3 finally at the ejection part of the ejection nozzle 3.
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 (6)
1. An injector for PTA oxidation reactor feed comprising an inlet pipe (1), characterized in that: the one end fixedly connected with air intake flange (2) of intake pipe (1), the other end of intake pipe (1) is rotated and is connected with injection nozzle (3), the inside fixedly connected with material pipe (4) of injection nozzle (3), the inside fixedly connected with inlet pipe (5) of intake pipe (1), the one end fixedly connected with coupling hose (6) of inlet pipe (5), the one end and material pipe (4) fixed connection of coupling hose (6), the top fixedly connected with feed valve (12) of inlet pipe (5), the inside of feed valve (12) is provided with adjusting part, the bottom of intake pipe (1) is provided with the corner subassembly.
2. The eductor of claim 1 for a PTA oxidation reactor feed, wherein: the adjusting part comprises a double-screw (13), the inner walls of the double-screw (13) and the feed valve (12) are rotatably connected near the top end, the outer surface of the double-screw (13) is in threaded connection with two symmetrically-arranged sliding blocks (14), the bottom end of each sliding block (14) is rotatably connected with a rocker (15), one end, far away from the corresponding sliding block (14), of each rocker (15) is rotatably connected with a rotating block (16), the bottom end of each rotating block (16) is rotatably connected with a connecting plate (17), one end, far away from the corresponding rotating block (16), of each connecting plate (17) is rotatably connected with a fixed block (18), and the bottom end of each fixed block (18) is fixedly connected with the inner bottom wall of the feed valve (12).
3. The eductor of claim 1 for a PTA oxidation reactor feed, wherein: the corner subassembly includes connecting block (7), the bottom fixed connection of connecting block (7) and intake pipe (1), the inside rotation of connecting block (7) is connected with lead screw (8), the surface threaded connection of lead screw (8) has regulating block (9), one side rotation of regulating block (9) is connected with pendulum rod (10), the one end of keeping away from regulating block (9) of pendulum rod (10) is rotated and is connected with locating piece (11), the bottom fixed connection of locating piece (11) and jet nozzle (3).
4. The eductor of claim 2 for a PTA oxidation reactor feed, wherein: the double-screw (13) penetrates through the feed valve (12), and one end of the double-screw (13) is fixedly connected with an adjusting button (19).
5. The eductor of claim 2 for a PTA oxidation reactor feed, wherein: the feeding pipe (5) is L-shaped, and the feeding pipe (5) is provided with a chamfer angle for guiding materials.
6. The eductor of claim 1 for a PTA oxidation reactor feed, wherein: an air guide groove is formed in one side, close to the injection nozzle (3), of the air inlet pipe (1), and an air outlet groove communicated with the air guide groove is formed in the injection nozzle (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110906248.4A CN113694832A (en) | 2021-08-09 | 2021-08-09 | Ejector for feeding of PTA oxidation reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110906248.4A CN113694832A (en) | 2021-08-09 | 2021-08-09 | Ejector for feeding of PTA oxidation reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113694832A true CN113694832A (en) | 2021-11-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110906248.4A Pending CN113694832A (en) | 2021-08-09 | 2021-08-09 | Ejector for feeding of PTA oxidation reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113694832A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1033641A (en) * | 1987-10-14 | 1989-07-05 | 法兰西精炼和总分配公司 | The hydrocarbon feed injection device of catalyst cracker |
| CN201862414U (en) * | 2010-09-14 | 2011-06-15 | 沈崇宇 | Gas-liquid reaction tank reactor free of mechanical external forces and capable of being automatically and circularly stirred |
| CN104826556A (en) * | 2015-05-25 | 2015-08-12 | 濮阳市盛源能源科技股份有限公司 | Maleic anhydride production oxidation reaction feeding device and technique thereof |
| CN106179125A (en) * | 2016-07-29 | 2016-12-07 | 山东省滕州瑞达化工有限公司 | A kind of catalyst charging device and reaction unit |
| CN208145761U (en) * | 2018-02-24 | 2018-11-27 | 大连贝斯特环境工程设备有限公司 | A kind of in-furnace calcium spraying dry method desulfuration system |
| CN208266637U (en) * | 2018-05-03 | 2018-12-21 | 魏运磊 | A kind of pitch that highway construction uses fills up device |
| CN208523609U (en) * | 2018-06-06 | 2019-02-22 | 山东农业工程学院 | A kind of pesticide spraying device of angle adjustable |
| CN209212670U (en) * | 2018-11-06 | 2019-08-06 | 天元同创(天津)节能环保科技有限公司 | A kind of injector with adjustment structure |
| CN209531084U (en) * | 2019-02-18 | 2019-10-25 | 刘大伟 | A kind of automatic machine for charging coke |
| CN212596521U (en) * | 2019-12-25 | 2021-02-26 | 江苏程凯智能科技有限公司 | Adjustable hopper for screw pump spraying machine |
| CN112546506A (en) * | 2021-01-08 | 2021-03-26 | 张华钢 | Fire gun truck convenient to adjust and spray scope |
| EP3848113A1 (en) * | 2020-01-07 | 2021-07-14 | SABIC Global Technologies B.V. | Systems, devices, and methods of a reactor feed distribution system |
| CN216396275U (en) * | 2021-08-09 | 2022-04-29 | 嘉兴石化有限公司 | Ejector for feeding of PTA oxidation reactor |
-
2021
- 2021-08-09 CN CN202110906248.4A patent/CN113694832A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1033641A (en) * | 1987-10-14 | 1989-07-05 | 法兰西精炼和总分配公司 | The hydrocarbon feed injection device of catalyst cracker |
| CN201862414U (en) * | 2010-09-14 | 2011-06-15 | 沈崇宇 | Gas-liquid reaction tank reactor free of mechanical external forces and capable of being automatically and circularly stirred |
| CN104826556A (en) * | 2015-05-25 | 2015-08-12 | 濮阳市盛源能源科技股份有限公司 | Maleic anhydride production oxidation reaction feeding device and technique thereof |
| CN106179125A (en) * | 2016-07-29 | 2016-12-07 | 山东省滕州瑞达化工有限公司 | A kind of catalyst charging device and reaction unit |
| CN208145761U (en) * | 2018-02-24 | 2018-11-27 | 大连贝斯特环境工程设备有限公司 | A kind of in-furnace calcium spraying dry method desulfuration system |
| CN208266637U (en) * | 2018-05-03 | 2018-12-21 | 魏运磊 | A kind of pitch that highway construction uses fills up device |
| CN208523609U (en) * | 2018-06-06 | 2019-02-22 | 山东农业工程学院 | A kind of pesticide spraying device of angle adjustable |
| CN209212670U (en) * | 2018-11-06 | 2019-08-06 | 天元同创(天津)节能环保科技有限公司 | A kind of injector with adjustment structure |
| CN209531084U (en) * | 2019-02-18 | 2019-10-25 | 刘大伟 | A kind of automatic machine for charging coke |
| CN212596521U (en) * | 2019-12-25 | 2021-02-26 | 江苏程凯智能科技有限公司 | Adjustable hopper for screw pump spraying machine |
| EP3848113A1 (en) * | 2020-01-07 | 2021-07-14 | SABIC Global Technologies B.V. | Systems, devices, and methods of a reactor feed distribution system |
| CN112546506A (en) * | 2021-01-08 | 2021-03-26 | 张华钢 | Fire gun truck convenient to adjust and spray scope |
| CN216396275U (en) * | 2021-08-09 | 2022-04-29 | 嘉兴石化有限公司 | Ejector for feeding of PTA oxidation reactor |
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