CN112337126A - Chemical efficient energy-saving high-purity rectifying tower - Google Patents
Chemical efficient energy-saving high-purity rectifying tower Download PDFInfo
- Publication number
- CN112337126A CN112337126A CN201910726149.0A CN201910726149A CN112337126A CN 112337126 A CN112337126 A CN 112337126A CN 201910726149 A CN201910726149 A CN 201910726149A CN 112337126 A CN112337126 A CN 112337126A
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- tower
- rectifying
- purity
- cavity
- rectifying tower
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- 239000000126 substance Substances 0.000 title claims abstract description 20
- 239000007788 liquid Substances 0.000 claims description 23
- 238000004140 cleaning Methods 0.000 claims description 15
- 239000004677 Nylon Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000001802 infusion Methods 0.000 claims 2
- 239000000463 material Substances 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000009833 condensation Methods 0.000 abstract description 2
- 230000005494 condensation Effects 0.000 abstract description 2
- 238000000746 purification Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 238000004134 energy conservation Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 230000036619 pore blockages Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- 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
-
- 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
-
- 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
-
- 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
- B01D3/324—Tray constructions
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- B08B1/12—
Abstract
The invention relates to the technical field of chemical purification, and discloses a chemical efficient energy-saving high-purity rectifying tower which comprises a rectifying tower main body, wherein a rectifying cavity is formed in the rectifying tower main body, tower plates are fixedly arranged on the left side and the right side of the rectifying cavity, one end of each tower plate, far away from the rectifying cavity, is fixedly provided with an overflow weir, electric push rods positioned at the bottoms of the tower plates are fixedly arranged on the left side and the right side of the rectifying cavity, and fixed blocks are fixedly arranged at piston rods of the electric push rods. This energy-efficient high-purity rectifying column of chemical industry has solved the plate column commonly used on the existing market and has mainly had sieve tray tower, bubble cap tower and float valve tower, but current sieve tray tower causes the sieve mesh to block up at the during operation easily, should not handle the material that viscosity is big moreover, causes the suitability of sieve tray tower not wide enough, brings inconvenience for the user, does not have the heat in the effective utilization steam when carrying out the condensation to steam simultaneously, causes the problem of the waste of the energy.
Description
Technical Field
The invention relates to the technical field of chemical purification, in particular to a chemical efficient energy-saving high-purity rectifying tower.
Background
The rectifying tower is a tower-type gas-liquid contact device for rectification, and utilizes the property that all the components in the mixture have different volatilities, i.e. the vapor pressures of all the components are different at the same temperature, so that the light component in the liquid phase is transferred into the gas phase, and the heavy component in the gas phase is transferred into the liquid phase, so that the goal of separation is achieved.
Plate tower commonly used in the existing market mainly has sieve tray tower, bubble cap tower and float valve tower, but current sieve tray tower causes the sieve mesh to block up at the during operation easily, should not handle the material that viscosity is big in addition, and the suitability that causes the sieve tray tower is not wide enough, brings inconvenience for the user, does not effectively utilize the heat in the steam when carrying out the condensation to steam simultaneously, causes the waste of the energy, so has proposed a chemical industry high efficiency energy-conserving high purity rectifying column and has solved the above-mentioned problem that proposes.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a high-efficiency energy-saving high-purity rectifying tower for chemical industry, which has the advantages of saving energy, effectively preventing sieve mesh blockage and having wide applicability, and solves the problems that the common plate tower in the market at present mainly comprises a sieve plate tower, a bubble cap tower and a float valve tower, but the sieve mesh blockage is easily caused when the existing sieve plate tower works, materials with high viscosity cannot be treated, the applicability of the sieve plate tower is not wide enough, inconvenience is brought to users, and meanwhile, the heat in steam is not effectively utilized when the steam is condensed, and the energy is wasted.
(II) technical scheme
In order to realize the purposes of energy conservation, effective prevention of screen hole blockage and wide applicability, the invention provides the following technical scheme: a chemical efficient energy-saving high-purity rectifying tower comprises a rectifying tower main body, wherein a rectifying cavity is formed in the rectifying tower main body, tower plates are fixedly mounted on the left side and the right side of the rectifying cavity, an overflow weir is fixedly mounted at one end, away from the rectifying cavity, of each tower plate, electric push rods positioned at the bottom of each tower plate are fixedly mounted on the left side and the right side of the rectifying cavity, fixed blocks are fixedly mounted at piston rods of the electric push rods, two cavities are formed in the tops of the fixed blocks, springs are fixedly mounted at the bottoms of the cavities, movable rods penetrating through and extending to the tops of the fixed blocks are fixedly mounted at the tops of the springs, the tops of every two adjacent movable rods are fixedly connected with a cleaning brush, a liquid outlet pipe communicated with the rectifying cavity is fixedly mounted at the bottom of the rectifying tower main body, a pressure pump is fixedly mounted at one end, away from the rectifying tower main body, of the, the one end fixed mounting that the force pump was kept away from to first transfer line has the heat exchanger, outlet duct and heat exchanger intercommunication are passed through at rectifying column main part top, rectifying column main part right side bottom fixed mounting have the intake pipe with rectification chamber intercommunication, the one end fixed mounting that rectifying column main part was kept away from to the intake pipe has the reboiler, the reboiler top is passed through second transfer line and heat exchanger intercommunication, heat exchanger bottom fixedly connected with condenser, the condenser bottom is passed through back flow and rectification chamber intercommunication.
Preferably, the tower plates on the left side and the right side are arranged in a staggered mode, and sieve holes are formed in the tops of the tower plates.
Preferably, the height of the overflow weir is greater than that of the tower plate, and the electric push rod is a waterproof electric push rod.
Preferably, the spring is compressed to contact the bottom of the tower plate, and the cleaning brush is a nylon brush.
Preferably, the liquid outlet pipe is communicated with a liquid inlet of the pressure pump, and the air inlet pipe is positioned at the bottom of the bottom electric push rod.
Preferably, a liquid discharge valve is fixedly installed at the bottom of the reboiler, and a return port which is located at the top of the top tower plate and matched with the return pipe is formed in the right side of the rectifying tower body.
(III) advantageous effects
Compared with the prior art, the invention provides a chemical efficient energy-saving high-purity rectifying tower, which has the following beneficial effects:
the high-efficiency energy-saving high-purity rectifying tower for the chemical industry is characterized in that a spring and a movable rod are arranged, a cleaning brush is in close contact with the bottom of a tower plate, and then the cleaning brush is driven to move left and right through an electric push rod, so that the problem of tower plate blockage is solved, a pressure pump is arranged, a solution in a rectifying cavity is conveyed into a heat exchanger, then the solution exchanges heat with steam discharged by an air outlet pipe and flows into a reboiler, so that the energy required by the heating of the reboiler is reduced, the aims of saving energy, effectively preventing sieve pore blockage and having wide applicability are fulfilled, so that the problems that the conventional plate tower on the market mainly comprises a sieve plate tower, a bubble cap tower and a floating valve tower are solved effectively, but the conventional sieve plate tower easily causes sieve pore blockage during working, and is not suitable for treating materials with high viscosity, the applicability of the sieve plate tower is not wide enough, meanwhile, the heat in the steam is not effectively utilized when the steam is condensed, so that the problem of energy waste is caused.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of a tray according to the invention;
FIG. 3 is an enlarged view of a portion of the area A shown in FIG. 1 according to the present invention.
In the figure: the device comprises a rectifying tower body 1, a rectifying cavity 2, a tower plate 3, an overflow weir 4, an electric push rod 5, a fixed block 6, a cavity 7, a spring 8, a movable rod 9, a cleaning brush 10, a liquid outlet pipe 11, a pressure pump 12, a first liquid conveying pipe 13, a heat exchanger 14, a gas outlet pipe 15, a gas inlet pipe 16, a reboiler 17, a second liquid conveying pipe 18, a condenser 19 and a return pipe 20.
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, a chemical high-efficiency energy-saving high-purity rectifying tower comprises a rectifying tower main body 1, a rectifying cavity 2 is arranged in the rectifying tower main body 1, tower plates 3 are fixedly arranged on the left side and the right side of the rectifying cavity 2, the tower plates 3 on the left side and the right side are arranged in a staggered manner, sieve holes are formed in the tops of the tower plates 3, an overflow weir 4 is fixedly arranged at one end of each tower plate 3, which is far away from the rectifying cavity 2, the height of the overflow weir 4 is greater than that of the tower plate 3, electric push rods 5 are fixedly arranged on the left side and the right side of the rectifying cavity 2 and are positioned at the bottom of the tower plate 3, the electric push rods 5 are waterproof electric push rods, fixed blocks 6 are fixedly arranged at piston rods of the electric push rods 5, two cavities 7 are formed in the tops of the fixed blocks 6, springs 8 are fixedly arranged at the bottoms of the cavities 7, when the spring 8 is compressed, the cleaning brush 10 is in contact with the bottom of the tower plate 3, the cleaning brush 10 is a nylon brush, a liquid outlet pipe 11 communicated with the rectification cavity 2 is fixedly arranged at the bottom of the rectification tower main body 1, a pressure pump 12 is fixedly arranged at one end of the liquid outlet pipe 11 far away from the rectification tower main body 1, the type of the pressure pump 12 can be JTE-G, the liquid outlet pipe 11 is communicated with a liquid inlet of the pressure pump 12, a first liquid conveying pipe 13 is fixedly connected with a liquid outlet of the pressure pump 12, a heat exchanger 14 is fixedly arranged at one end of the first liquid conveying pipe 13 far away from the pressure pump 12, the top of the rectification tower main body 1 is communicated with the heat exchanger 14 through a gas outlet pipe 15, a gas inlet pipe 16 communicated with the rectification cavity 2 is fixedly arranged at the bottom of the right side of the rectification tower main body 1, the gas inlet pipe 16 is positioned at the bottom, the top of the reboiler 17 is communicated with the heat exchanger 14 through a second liquid conveying pipe 18, the bottom of the heat exchanger 14 is fixedly connected with a condenser 19, the bottom of the condenser 19 is communicated with the rectification cavity 2 through a return pipe 20, and the right side of the rectification tower body 1 is provided with a return port which is positioned at the top of the top tower plate 3 and is matched with the return pipe 20.
When using, through setting up spring 8 and movable rod 9, make cleaning brush 10 and 3 bottoms in close contact with of column plate, then remove about driving cleaning brush 10 through electric putter 5, thereby reach clearance column plate 3, prevent the problem of column plate 3 jam, through setting up force pump 12, make the solution in the rectification chamber 2 carry in the heat exchanger 14, then carry out the heat exchange with outlet duct 15 exhaust steam, then flow into in reboiler 17 again, thereby reduce reboiler 17 and heat required energy, thereby energy-conservation has been reached, effectively prevent sieve mesh jam, extensive applicability's purpose.
In conclusion, the chemical efficient energy-saving high-purity rectifying tower is characterized in that the cleaning brush 10 is in close contact with the bottom of the tower plate 3 by arranging the spring 8 and the movable rod 9, then the cleaning brush 10 is driven to move left and right by the electric push rod 5, so that the problem of cleaning the tower plate 3 and preventing the tower plate 3 from being blocked is solved, a solution in the rectifying cavity 2 is conveyed into the heat exchanger 14 by arranging the pressure pump 12, then the solution exchanges heat with steam discharged by the air outlet pipe 15 and flows into the reboiler 17, so that the energy required by the heating of the reboiler 17 is reduced, the purposes of saving energy, effectively preventing sieve pores from being blocked and having wide applicability are achieved, the problems that the sieve pores are easily blocked when the conventional plate tower in the market works and materials with high viscosity cannot be treated are effectively solved, the applicability of the sieve plate tower is not wide enough, inconvenience is brought to a user, and meanwhile, heat in steam is not effectively utilized when the steam is condensed, so that the problem of energy waste is solved.
It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a chemical industry energy-efficient high-purity rectifying column, includes rectifying column main part (1), its characterized in that: a rectifying cavity (2) is formed in the rectifying tower main body (1), column plates (3) are fixedly mounted on the left side and the right side of the rectifying cavity (2), an overflow weir (4) is fixedly mounted at one end, far away from the rectifying cavity (2), of each column plate (3), electric push rods (5) positioned at the bottom of each column plate (3) are fixedly mounted on the left side and the right side of each rectifying cavity (2), fixed blocks (6) are fixedly mounted at piston rods of the electric push rods (5), two cavities (7) are formed in the tops of the fixed blocks (6), springs (8) are fixedly mounted at the bottoms of the cavities (7), movable rods (9) penetrating through and extending to the tops of the fixed blocks (6) are fixedly mounted at the tops of the springs (8), the tops of the adjacent movable rods (9) are fixedly connected with cleaning brushes (10), a liquid outlet pipe (11) communicated with the rectifying cavity (2) is fixedly mounted at the bottom of the rectifying tower main body (1), one end of the liquid outlet pipe (11) far away from the rectifying tower main body (1) is fixedly provided with a pressure pump (12), a first infusion tube (13) is fixedly connected with a liquid outlet of the pressure pump (12), a heat exchanger (14) is fixedly arranged at one end of the first infusion tube (13) far away from the pressure pump (12), the top of the rectifying tower main body (1) is communicated with a heat exchanger (14) through an air outlet pipe (15), an air inlet pipe (16) communicated with the rectification cavity (2) is fixedly arranged at the bottom of the right side of the rectification tower main body (1), a reboiler (17) is fixedly arranged at one end of the air inlet pipe (16) far away from the rectifying tower main body (1), the top of the reboiler (17) is communicated with the heat exchanger (14) through a second liquid conveying pipe (18), the bottom of the heat exchanger (14) is fixedly connected with a condenser (19), and the bottom of the condenser (19) is communicated with the rectification cavity (2) through a return pipe (20).
2. The chemical efficient energy-saving high-purity rectifying tower as claimed in claim 1, wherein: the tower plates (3) on the left side and the right side are arranged in a staggered mode, and sieve holes are formed in the tops of the tower plates (3).
3. The chemical efficient energy-saving high-purity rectifying tower as claimed in claim 1, wherein: the height of the overflow weir (4) is greater than that of the tower plate (3), and the electric push rod (5) is a waterproof electric push rod.
4. The chemical efficient energy-saving high-purity rectifying tower as claimed in claim 1, wherein: when the spring (8) is compressed, the cleaning brush (10) is in contact with the bottom of the tower plate (3), and the cleaning brush (10) is a nylon brush.
5. The chemical efficient energy-saving high-purity rectifying tower as claimed in claim 1, wherein: the liquid outlet pipe (11) is communicated with a liquid inlet of the pressure pump (12), and the air inlet pipe (16) is located at the bottom of the bottom electric push rod (5).
6. The chemical efficient energy-saving high-purity rectifying tower as claimed in claim 1, wherein: a liquid discharge valve is fixedly installed at the bottom of the reboiler (17), and a return port which is located at the top of the top tower plate (3) and matched with the return pipe (20) is formed in the right side of the rectifying tower body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910726149.0A CN112337126A (en) | 2019-08-07 | 2019-08-07 | Chemical efficient energy-saving high-purity rectifying tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910726149.0A CN112337126A (en) | 2019-08-07 | 2019-08-07 | Chemical efficient energy-saving high-purity rectifying tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112337126A true CN112337126A (en) | 2021-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910726149.0A Pending CN112337126A (en) | 2019-08-07 | 2019-08-07 | Chemical efficient energy-saving high-purity rectifying tower |
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| Country | Link |
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| CN (1) | CN112337126A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112569626A (en) * | 2021-02-25 | 2021-03-30 | 山东亚邦化工科技有限公司 | Double-tower rectifying device for preparing tert-butylamine |
| CN113750560A (en) * | 2021-09-13 | 2021-12-07 | 吕发奎 | Rectifying tower for producing 2, 4-dichlorophenol |
| CN114405034A (en) * | 2022-01-27 | 2022-04-29 | 山东嘉禾甲基化工有限公司 | Methyl cyclopentadiene purification device based on pervaporation membrane method |
| CN114602203A (en) * | 2022-03-25 | 2022-06-10 | 濮阳市联众兴业化工有限公司 | Pentane rectifying tower and using method thereof |
-
2019
- 2019-08-07 CN CN201910726149.0A patent/CN112337126A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112569626A (en) * | 2021-02-25 | 2021-03-30 | 山东亚邦化工科技有限公司 | Double-tower rectifying device for preparing tert-butylamine |
| CN113750560A (en) * | 2021-09-13 | 2021-12-07 | 吕发奎 | Rectifying tower for producing 2, 4-dichlorophenol |
| CN113750560B (en) * | 2021-09-13 | 2024-01-05 | 唐山晟红化工有限公司 | Rectifying column is used in production of 2, 4-dichlorophenol |
| CN114405034A (en) * | 2022-01-27 | 2022-04-29 | 山东嘉禾甲基化工有限公司 | Methyl cyclopentadiene purification device based on pervaporation membrane method |
| CN114602203A (en) * | 2022-03-25 | 2022-06-10 | 濮阳市联众兴业化工有限公司 | Pentane rectifying tower and using method thereof |
| CN114602203B (en) * | 2022-03-25 | 2023-12-19 | 濮阳市联众兴业化工有限公司 | Pentane rectifying tower and application method thereof |
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Application publication date: 20210209 |