CN114367118A - Zirconium material reboiler for ethyl acetate production - Google Patents
Zirconium material reboiler for ethyl acetate production Download PDFInfo
- Publication number
- CN114367118A CN114367118A CN202111581953.8A CN202111581953A CN114367118A CN 114367118 A CN114367118 A CN 114367118A CN 202111581953 A CN202111581953 A CN 202111581953A CN 114367118 A CN114367118 A CN 114367118A
- Authority
- CN
- China
- Prior art keywords
- reboiler
- barrel
- wall
- ethyl acetate
- heat exchange
- 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
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 title claims abstract description 81
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 229910052726 zirconium Inorganic materials 0.000 title claims abstract description 35
- 239000000463 material Substances 0.000 title claims description 30
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 238000007599 discharging Methods 0.000 claims abstract description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 22
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 22
- 241001330002 Bambuseae Species 0.000 claims description 22
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 22
- 239000011425 bamboo Substances 0.000 claims description 22
- 239000006260 foam Substances 0.000 abstract description 8
- 238000009834 vaporization Methods 0.000 abstract description 6
- 230000008016 vaporization Effects 0.000 abstract description 6
- 238000010521 absorption reaction Methods 0.000 abstract description 5
- 230000008602 contraction Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 13
- 238000009434 installation Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000010408 film Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000011552 falling film Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01B—BOILING; BOILING APPARATUS ; EVAPORATION; EVAPORATION APPARATUS
- B01B1/00—Boiling; Boiling apparatus for physical or chemical purposes ; Evaporation in general
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/32—Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups B01D3/16 - B01D3/30
- B01D3/322—Reboiler specifications
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention discloses a zirconium reboiler for producing ethyl acetate, which comprises a reboiler barrel, heat exchange tubes, a wire mesh frame and a feeding box, wherein the feeding box is installed at the bottom end of the reboiler barrel, the discharging box is installed at the top end of the reboiler barrel, the demister is installed at the bottom end of the discharging box, the bottom end of the demister is connected with the reboiler barrel, the wire mesh frame is arranged inside the demister, a heat exchange chamber is installed inside the reboiler barrel above the feeding box, a lower tube plate is fixed at the top end of the heat exchange chamber, an upper tube plate is fixed at the top end of the reboiler barrel above the lower tube plate, and the heat exchange tubes with equal intervals are installed inside the reboiler barrel. The invention not only realizes the absorption of the expansion force of the zirconium reboiler for producing ethyl acetate during expansion with heat and contraction with cold, so that the stress on the inner wall of the cylinder is uniform, but also prevents the foam entrainment phenomenon, and improves the vaporization efficiency.
Description
Technical Field
The invention relates to the technical field of zirconium material reboilers, in particular to a zirconium material reboiler for ethyl acetate production.
Background
The reboiler is very extensive in the chemical plant application, the reboiler can make the liquid vaporize again, it is a special heat exchanger reboiler that can exchange heat, vaporize the liquid at the same time, distillation column is equipped with the reboiler in many in the chemical production at present, use the indirect heating of steam through the reboiler, the rationality of reboiler design structure and quality of manufacture directly influence the product quality, energy consumption and life of reboiler, the high-efficient falling film reboiler tube case of falling liquid film adopts the liquid distribution disk of single-stage or multilevel structure, make the liquid level more stable, the liquid distributes more evenly, adopt the rotational flow type distributor to position the inside heat exchange tube, avoid appearing phenomena such as bias flow, dry point in the heat exchange tube, guaranteed the stability, evenly distributed of liquid film, the heat exchange tube can adopt the light pipe, can also adopt the outer surface vertical trough pipe, the heat transfer enhancement outside the tube. Compared with the common heat exchanger, the heat transfer efficiency is greatly improved, the steam consumption is reduced, and the cleaning can be avoided in the service cycle.
This type of zirconium material reboiler on the market is various today, can satisfy people's user demand basically, but still has certain problem, and the absorption of expansibility when expanding with heat and contracting with cold is generally not convenient for when using to this type of zirconium material reboiler now for the barrel inner wall atress is even, great influence the reliability when zirconium material reboiler uses, has brought very big influence for the life of zirconium material reboiler.
Disclosure of Invention
The invention aims to provide a zirconium reboiler for producing ethyl acetate, which aims to solve the problem that the zirconium reboiler in the background art is inconvenient to absorb expansion force during expansion and contraction and enables the stress on the inner wall of a cylinder to be uniform.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an ethyl acetate production is with zirconium material reboiler, includes reboiler section of thick bamboo, heat exchange tube, wire mesh frame and feeding case, the feeding case is installed to the bottom of reboiler section of thick bamboo, the ejection of compact case is installed on the top of reboiler section of thick bamboo, the demister is installed to the bottom of ejection of compact case, and the bottom of demister is connected with a reboiler section of thick bamboo, the inside of demister is equipped with the wire mesh frame, the reboiler section of thick bamboo internally mounted of feeding case top has the heat transfer room, the top of heat transfer room is fixed with down the tube sheet, the reboiler section of thick bamboo top of lower tube sheet top is fixed with the upper tube sheet, the internally mounted of reboiler section of thick bamboo has equidistant heat exchange tube, and the top and the upper tube sheet fixed connection of heat exchange tube to the bottom and the lower tube sheet fixed connection of heat exchange tube.
Preferably, a plurality of groups of baffles are arranged inside the reboiler barrel, one side of each baffle is connected with the reboiler barrel, and the other side of each baffle is connected with the heat exchange tube.
Preferably, the reboiler barrel is provided with a first expansion joint on the outer wall, and one end of the first expansion joint extends to the inside of the reboiler barrel.
Preferably, a second expansion joint is installed on the outer wall of the reboiler barrel on the side far away from the first expansion joint, and one end of the second expansion joint extends to the inside of the reboiler barrel.
Preferably, the outside of reboiler section of thick bamboo is equipped with the steam drum, the safety cover is installed on the top of steam drum, install the air inlet on the outer wall of reboiler section of thick bamboo, and install the gas outlet on the reboiler section of thick bamboo outer wall of air inlet below.
Preferably, the outer wall of the steam tank is provided with an air outlet pipe, and one end of the air outlet pipe extends to the inside of the air inlet.
Preferably, a return pipe is installed on the outer wall of the steam tank below the air outlet pipe, and one end of the return pipe extends to the inside of the air outlet.
Preferably, install the manometer on the outer wall of reboiler section of thick bamboo, install the liquid level meter on the heat exchange chamber outer wall of manometer below, install the steam pipe on the steam drum outer wall of outlet duct one side.
Preferably, a first clamping seat is installed on the outer wall of the reboiler barrel below the gas inlet, and a first support is installed on the outer wall of the first clamping seat.
Preferably, a second clamping seat is installed on the outer wall of the reboiler barrel below the first support, and a second support is installed on the outer wall of the second clamping seat.
Compared with the prior art, the invention has the beneficial effects that: the zirconium reboiler for producing ethyl acetate realizes the absorption of expansion force during expansion with heat and contraction with cold by the zirconium reboiler, so that the stress on the inner wall of the cylinder is uniform, the phenomenon of foam entrainment is prevented, and the vaporization efficiency is improved;
(1) the raw materials are conveyed to the interior of the feeding box, high-pressure steam penetrates through the interior of the whole reboiler barrel through the cooperation of a plurality of groups of baffle plates, the expansion joints of the shell side barrel can absorb expansion force when the reboiler barrel is expanded with heat and contracted with cold for many times through the first expansion joints and the second expansion joints, so that the stress on the inner wall of the reboiler barrel is uniform, the wire mesh frame is arranged in the demister, the wire mesh frame can remove foams, the absorption of the expansion force when the zirconium reboiler for producing ethyl acetate is expanded with heat and contracted with cold is realized, the stress on the inner wall of the barrel is uniform, the phenomenon of foam entrainment is prevented, and the vaporization efficiency is improved;
(2) the steam pipe and the steam tank are installed together, high-pressure gas is conveyed to the interior of the steam tank through the steam pipe to be stored, the pressure gauge is used for displaying the pressure in the reboiler barrel in real time, and the liquid level gauge is used for displaying the pressure in the heat exchange chamber in real time, so that the convenient display of the pressure of the zirconium reboiler for producing ethyl acetate is realized, and the convenient and fast viewing by operators is facilitated;
(3) through being in the same place first cassette and reboiler section of thick bamboo installation, first support comes to play the effect of structural support to a reboiler section of thick bamboo, and the second support is in the same place with the installation of second cassette, has realized the convenient support of ethyl acetate production with zirconium material reboiler structure, has improved ethyl acetate production with zirconium material reboiler structural connection's intensity.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic front view of the present invention;
FIG. 4 is a schematic view of the internal structure of the present invention;
FIG. 5 is a rear view of the present invention;
fig. 6 is a schematic top view of the present invention.
In the figure: 1. a reboiler drum; 2. a heat exchange pipe; 3. a wire frame; 4. a demister; 5. a discharging box; 6. an upper tube sheet; 7. a baffle plate; 8. a second expansion joint; 9. a feeding box; 10. a heat exchange chamber; 11. a lower tube plate; 12. a first expansion joint; 13. a steam tank; 14. a steam pipe; 15. an air outlet pipe; 16. a safety cover; 17. an air inlet; 18. a first bracket; 19. a first card holder; 20. a pressure gauge; 21. a second card holder; 22. an air outlet; 23. a second bracket; 24. a liquid level meter; 25. a return pipe.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. 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. 1-6, an embodiment of the present invention is shown: a zirconium reboiler for producing ethyl acetate comprises a reboiler barrel 1, heat exchange tubes 2, a wire mesh frame 3 and a feeding box 9, wherein the feeding box 9 is installed at the bottom end of the reboiler barrel 1, a discharging box 5 is installed at the top end of the reboiler barrel 1, a demister 4 is installed at the bottom end of the discharging box 5, the bottom end of the demister 4 is connected with the reboiler barrel 1, the wire mesh frame 3 is arranged inside the demister 4, the wire mesh frame 3 is used for removing foam in gas, a heat exchange chamber 10 is installed inside the reboiler barrel 1 above the feeding box 9, a lower tube plate 11 is fixed at the top end of the heat exchange chamber 10, an upper tube plate 6 is fixed at the top end of the reboiler barrel 1 above the lower tube plate 11, the upper tube plate 6 plays a role in structural support, the heat exchange tubes 2 with equal intervals are installed inside the reboiler barrel 1, the top ends of the heat exchange tubes 2 are fixedly connected with the upper tube plate 6, and the bottom ends of the heat exchange tubes 2 are fixedly connected with the lower tube plate 11, a plurality of groups of baffle plates 7 are arranged in the reboiler barrel 1, one side of each baffle plate 7 is connected with the reboiler barrel 1, the other side of each baffle plate 7 is connected with the heat exchange tube 2, a first expansion joint 12 is arranged on the outer wall of the reboiler barrel 1, one end of the first expansion joint 12 extends into the reboiler barrel 1, a second expansion joint 8 is arranged on one side, far away from the first expansion joint 12, of the outer wall of the reboiler barrel 1, and one end of the second expansion joint 8 extends into the reboiler barrel 1;
when in use, raw materials are conveyed to the inside of a feeding box 9 and conveyed to the inside of a heat exchange chamber 10 by the feeding box 9, an upper pipe plate 6 and a lower pipe plate 11 are matched to support the heat exchange pipe 2, the heat exchange pipe 2 exchanges heat with the materials, high-pressure steam enters the inside of a reboiler barrel 1 through an air inlet 17, a plurality of groups of baffle plates 7 are matched to enable the high-pressure steam to penetrate through the inside of the whole reboiler barrel 1, a first expansion joint 12 and a second expansion joint 8 enable the expansion joint of a shell pass barrel to absorb expansion force when the reboiler barrel 1 expands with heat and contracts with cold for a plurality of times, so that the inner wall of the reboiler barrel 1 is uniformly stressed, a wire mesh frame 3 is arranged inside a demister 4, the wire mesh frame 3 can remove foams, thereby removing the phenomenon of air entrainment to improve vaporization efficiency, a discharging box 5 is used for facilitating material output, and realizing the absorption of the expansion force when the reboiler barrel expands with cold and hot shrinkage by a zirconium material for producing ethyl acetate, the inner wall of the cylinder is uniformly stressed, so that the phenomenon of air entrainment is prevented, and the vaporization efficiency is improved;
a steam tank 13 is arranged outside the reboiler barrel 1, a safety cover 16 is arranged at the top end of the steam tank 13, an air inlet 17 is arranged on the outer wall of the reboiler barrel 1, the air inlet 17 is used for facilitating high-pressure steam to enter the interior of the reboiler barrel 1, an air outlet 22 is arranged on the outer wall of the reboiler barrel 1 below the air inlet 17, an air outlet pipe 15 is arranged on the outer wall of the steam tank 13, one end of the air outlet pipe 15 extends to the interior of the air inlet 17, a return pipe 25 is arranged on the outer wall of the steam tank 13 below the air outlet pipe 15, one end of the return pipe 25 extends to the interior of the air outlet 22, the return pipe 25 plays a medium transmission role, a pressure gauge 20 is arranged on the outer wall of the reboiler barrel 1, a liquid level gauge 24 is arranged on the outer wall of the heat exchange chamber 10 below the pressure gauge 20, and a steam pipe 14 is arranged on the outer wall of the steam tank 13 on one side of the air outlet pipe 15;
when the reboiler is used, the steam pipe 14 and the steam tank 13 are installed together, high-pressure gas is conveyed to the inside of the steam tank 13 by the steam pipe 14 to be stored, the safety cover 16 facilitates the opening of the steam tank 13, the gas inside the steam tank 13 enters the inside of the gas inlet 17 through the gas outlet pipe 15, the gas inside the reboiler barrel 1 enters the inside of the return pipe 25 through the gas outlet 22, the pressure gauge 20 displays the pressure inside the reboiler barrel 1 in real time, the liquid level gauge 24 displays the pressure inside the heat exchange chamber 10 in real time, the convenient display of the pressure of the zirconium material reboiler for producing ethyl acetate is realized, and operators can conveniently and conveniently view the pressure;
a first clamping seat 19 is arranged on the outer wall of the reboiler barrel 1 below the air inlet 17, a first support 18 is arranged on the outer wall of the first clamping seat 19, the first support 18 plays a role of structural support, a second clamping seat 21 is arranged on the outer wall of the reboiler barrel 1 below the first support 18, and a second support 23 is arranged on the outer wall of the second clamping seat 21;
during the use through installing first cassette 19 and reboiler section of thick bamboo 1 together, first support 18 is in the same place with first cassette 19 installation, first support 18 comes to play the effect of structural support to reboiler section of thick bamboo 1, install second cassette 21 and reboiler section of thick bamboo 1 together, second support 23 is in the same place with second cassette 21 installation, second support 23 comes to play the effect of structural support to reboiler section of thick bamboo 1, the convenient support of zirconium material reboiler structure for the ethyl acetate production has been realized, the intensity of zirconium material reboiler structural connection for the ethyl acetate production has been improved.
When the embodiment of the application is used: firstly, raw materials are conveyed to the inside of a feeding box 9, the raw materials are conveyed to the inside of a heat exchange chamber 10 by the feeding box 9, an upper pipe plate 6 and a lower pipe plate 11 are matched to support the heat exchange pipe 2, the heat exchange pipe 2 exchanges heat with the materials, high-pressure steam enters the inside of a reboiler barrel 1 through an air inlet 17, a plurality of groups of baffle plates 7 are matched to enable the high-pressure steam to penetrate through the inside of the whole reboiler barrel 1, a first expansion joint 12 and a second expansion joint 8 enable the expansion joint of a shell pass barrel to absorb expansion force when the reboiler barrel 1 expands with heat and contracts with cold for a plurality of times, so that the inner wall of the reboiler barrel 1 is stressed uniformly, a wire frame 3 is installed inside a demister 4, foams can be removed from the wires 3, the phenomenon of foam entrainment is removed, the vaporization efficiency is improved, the discharging box 5 facilitates material output, then, a steam pipe 14 and a steam tank 13 are installed together, and the high-pressure gas is conveyed to the inside of the steam tank 13 through the steam pipe 14 to be stored, the safety cover 16 is convenient for the steam drum 13 to be opened, the gas inside the steam drum 13 enters the gas inlet 17 through the gas outlet pipe 15, the gas inside the reboiler drum 1 enters the inside of the return pipe 25 through the gas outlet 22, the pressure gauge 20 is used for displaying the pressure inside the reboiler drum 1 in real time, the liquid level gauge 24 is used for displaying the pressure inside the heat exchange chamber 10 in real time, the first clamping seat 19 and the reboiler drum 1 are installed together, the first support 18 and the first clamping seat 19 are installed together, the first support 18 is used for supporting the reboiler drum 1 structurally, the second clamping seat 21 and the reboiler drum 1 are installed together, the second support 23 and the reboiler 21 are installed together, and the second support 23 is used for supporting the reboiler drum 1 structurally to complete the use work of the zirconium material reboiler.
Claims (10)
1. The utility model provides a production of ethyl acetate is with zirconium material reboiler, includes reboiler section of thick bamboo (1), heat exchange tube (2), wire rack (3) and feeding case (9), its characterized in that: the bottom end of the reboiler barrel (1) is provided with a feeding box (9), the top end of the reboiler barrel (1) is provided with a discharging box (5), the bottom end of the discharging box (5) is provided with a demister (4), the bottom end of the demister (4) is connected with the reboiler cylinder (1), a wire mesh frame (3) is arranged in the demister (4), a heat exchange chamber (10) is arranged in the reboiler cylinder (1) above the feeding box (9), a lower tube plate (11) is fixed at the top end of the heat exchange chamber (10), an upper tube plate (6) is fixed at the top end of the reboiler barrel (1) above the lower tube plate (11), the reboiler cylinder (1) is internally provided with heat exchange tubes (2) at equal intervals, and the top end of the heat exchange tube (2) is fixedly connected with the upper tube plate (6), and the bottom end of the heat exchange tube (2) is fixedly connected with the lower tube plate (11).
2. The reboiler of claim 1 for producing zirconium material for ethyl acetate, wherein: the reboiler is characterized in that a plurality of groups of baffle plates (7) are arranged inside the reboiler barrel (1), one side of each baffle plate (7) is connected with the reboiler barrel (1), and the other side of each baffle plate (7) is connected with the heat exchange tube (2).
3. The reboiler of claim 1 for producing zirconium material for ethyl acetate, wherein: the reboiler barrel (1) is provided with a first expansion joint (12) on the outer wall, and one end of the first expansion joint (12) extends to the inside of the reboiler barrel (1).
4. The reboiler of claim 1 for producing zirconium material for ethyl acetate, wherein: and a second expansion joint (8) is arranged on one side, far away from the first expansion joint (12), of the outer wall of the reboiler barrel (1), and one end of the second expansion joint (8) extends to the inside of the reboiler barrel (1).
5. The reboiler of claim 1 for producing zirconium material for ethyl acetate, wherein: the outside of reboiler section of thick bamboo (1) is equipped with steam drum (13), safety lid (16) are installed on the top of steam drum (13), install air inlet (17) on the outer wall of reboiler section of thick bamboo (1), and install gas outlet (22) on reboiler section of thick bamboo (1) outer wall of air inlet (17) below.
6. The reboiler of claim 5 for producing zirconium material for ethyl acetate, wherein: an air outlet pipe (15) is installed on the outer wall of the steam tank (13), and one end of the air outlet pipe (15) extends to the inside of the air inlet (17).
7. The reboiler of claim 6 for producing zirconium material for ethyl acetate, wherein: a return pipe (25) is installed on the outer wall of the steam tank (13) below the air outlet pipe (15), and one end of the return pipe (25) extends to the inside of the air outlet (22).
8. The reboiler of claim 7 for producing zirconium material for ethyl acetate, wherein: install manometer (20) on the outer wall of reboiler section of thick bamboo (1), install level gauge (24) on heat exchange chamber (10) outer wall of manometer (20) below, install steam pipe (14) on steam drum (13) outer wall of outlet duct (15) one side.
9. The reboiler of claim 5 for producing zirconium material for ethyl acetate, wherein: a first clamping seat (19) is installed on the outer wall of the reboiler barrel (1) below the air inlet (17), and a first support (18) is installed on the outer wall of the first clamping seat (19).
10. The reboiler of claim 9 for producing zirconium material for ethyl acetate, wherein: and a second clamping seat (21) is arranged on the outer wall of the reboiler barrel (1) below the first support (18), and a second support (23) is arranged on the outer wall of the second clamping seat (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111581953.8A CN114367118A (en) | 2021-12-22 | 2021-12-22 | Zirconium material reboiler for ethyl acetate production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111581953.8A CN114367118A (en) | 2021-12-22 | 2021-12-22 | Zirconium material reboiler for ethyl acetate production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114367118A true CN114367118A (en) | 2022-04-19 |
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ID=81140851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111581953.8A Pending CN114367118A (en) | 2021-12-22 | 2021-12-22 | Zirconium material reboiler for ethyl acetate production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114367118A (en) |
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| US20120204817A1 (en) * | 2009-08-11 | 2012-08-16 | Jeffrey Scherffius | Configurations and methods of generating low-pressure steam |
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| CN202762110U (en) * | 2012-07-31 | 2013-03-06 | 山东博丰利众化工有限公司 | Novel reboiler |
| CN203842339U (en) * | 2014-04-10 | 2014-09-24 | 河南心连心化肥有限公司 | Automatic steam pressure stabilizing control device of methanol rectification system |
| CN208003467U (en) * | 2017-12-25 | 2018-10-26 | 新阳科技集团有限公司 | Ethylbenzene recovery tower reboiling device |
| CN209596591U (en) * | 2018-12-27 | 2019-11-08 | 江苏精卓金属科技有限公司 | A kind of reboiler of uniform force |
-
2021
- 2021-12-22 CN CN202111581953.8A patent/CN114367118A/en active Pending
Patent Citations (6)
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|---|---|---|---|---|
| US20120204817A1 (en) * | 2009-08-11 | 2012-08-16 | Jeffrey Scherffius | Configurations and methods of generating low-pressure steam |
| CN202626116U (en) * | 2012-06-26 | 2012-12-26 | 淄博东大弘方化工有限公司 | Gasoline distillation device |
| CN202762110U (en) * | 2012-07-31 | 2013-03-06 | 山东博丰利众化工有限公司 | Novel reboiler |
| CN203842339U (en) * | 2014-04-10 | 2014-09-24 | 河南心连心化肥有限公司 | Automatic steam pressure stabilizing control device of methanol rectification system |
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Application publication date: 20220419 |