CN112494974B - Energy-saving stripping tower with temperature exchange function - Google Patents
Energy-saving stripping tower with temperature exchange function Download PDFInfo
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- CN112494974B CN112494974B CN202011364274.0A CN202011364274A CN112494974B CN 112494974 B CN112494974 B CN 112494974B CN 202011364274 A CN202011364274 A CN 202011364274A CN 112494974 B CN112494974 B CN 112494974B
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- stripping tower
- rib plate
- fixedly connected
- outer rib
- main body
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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
- B01D3/007—Energy recuperation; Heat pumps
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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
- B01D3/32—Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups B01D3/16 - B01D3/30
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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
- B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
- B01D3/38—Steam distillation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
- F28D21/0014—Recuperative heat exchangers the heat being recuperated from waste air or from vapors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Separation By Low-Temperature Treatments (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses an energy-saving stripping tower with temperature exchange, which comprises a stripping tower assembly, wherein the stripping tower assembly comprises a stripping tower main body, a stripping tower exhaust pipe is fixedly connected above the stripping tower main body, an outer rib plate is fixedly connected to the outer surface of the stripping tower main body, a steam inlet flange is fixedly connected below the stripping tower main body, a rib plate threaded hole is formed in the outer surface of the outer rib plate, a vent hole is formed in one side of the outer rib plate, and a recovery pipe is fixedly connected above the stripping tower exhaust pipe. This take energy-saving strip tower of temperature exchange sets up through the cooperation of strip tower assembly, air-blower, heat preservation cotton and shrouding, makes this take energy-saving strip tower of temperature exchange possess the heat that the make full use of was retrieved and keeps out the effect that the heat runs off from the surface in the tower, through the setting of strip tower assembly, makes this take energy-saving strip tower of temperature exchange possess the light but effect that intensity is enough and be convenient for the transportation of quality.
Description
Technical Field
The invention relates to the technical field of stripping separation, in particular to an energy-saving stripping tower with temperature exchange.
Background
Stripping is a unit operation for recovering absorbed solute and separating absorbent from solute to obtain regeneration, the stripping is a physical process, it adopts a gas medium to destroy original gas-liquid two-phase equilibrium and create a new gas-liquid equilibrium state, so that a certain component in the solution can be desorbed out due to reduced partial pressure, so as to attain the goal of separating substance, at the same time, the stripping can be used for removing light component in the liquid, for example, in the oil refining industry, the steam is used as stripping agent to remove light component of oil variety, so that the stripping can be used together with absorption, also can be used alone.
In industrial production, the whole stripping process is carried out at high temperature in order to improve the production efficiency, but the stripping tower has some defects in the use process, on one hand, the loss of the temperature in the stripping tower from the surface is fast under the condition of cold external environment, thereby causing the waste of energy, on the other hand, in order to improve the strength and the heat insulation effect, the shell is made very thick, thereby causing the mass to be very large and difficult to transport, and a profiling base is used during the transportation.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an energy-saving stripping tower with temperature exchange, which has the advantages of capability of fully utilizing recovered heat to prevent the heat in the tower from losing from the outer surface, light weight, enough strength, convenience in transportation and the like, and solves the problems that the energy is wasted due to the fact that the temperature in the tower is quickly dissipated from the surface under the condition of cold external environment, the shell is very thick, the quality is large, the transportation is difficult, and a profiling base is required to be used during the transportation.
(II) technical scheme
In order to realize the purposes of fully utilizing the recycled heat to resist the heat in the tower from losing from the outer surface, having light weight but enough strength and being convenient for transportation, the invention provides the following technical scheme: an energy-saving stripping tower with temperature exchange comprises a stripping tower assembly, wherein the stripping tower assembly comprises a stripping tower main body, a stripping tower exhaust pipe is fixedly connected above the stripping tower main body, an outer rib plate is fixedly connected on the outer surface of the stripping tower main body, a steam inlet flange is fixedly connected below the stripping tower main body, a rib plate threaded hole is formed in the outer surface of the outer rib plate, an air vent is formed in one side of the outer rib plate, a recovery pipe is fixedly connected above the stripping tower exhaust pipe, a heat exchanger is fixedly connected at one end of the recovery pipe, an air blower is fixedly connected on one side of the heat exchanger, an air inlet pipe is fixedly connected between the air blower and the stripping tower assembly, heat-insulating cotton is arranged between the outer rib plates, a hoop is fixedly connected on the outer surface of the heat-insulating cotton, and a sealing plate is fixedly connected on the outer surface of the outer rib plate, and a sealing gasket is arranged between the sealing plate and the outer rib plate.
Preferably, the outer rib plates are regular hexagons, and a plurality of the outer rib plates are uniformly distributed on the outer surface of the main body of the stripping tower.
Preferably, the steam inlet flange is arranged below the outer rib plate, the steam inlet flange is arranged at the position of the corner of the outer rib plate, and the length of the steam inlet flange protruding out of the stripping tower main body is not more than the length of the steam inlet flange protruding out of the stripping tower main body.
Preferably, the heat preservation cotton is a whole circular ring formed by two semicircular rings, the height of the heat preservation cotton is the same as the distance between the outer rib plates, and the outer diameter of the heat preservation cotton is smaller than the inscribed circle of the hexagonal outer rib plates.
Preferably, the sealing plate is made of a stainless steel thin plate, a folding angle is arranged in the middle of the sealing plate, the unfolding length of the sealing plate is larger than the side length of the outer rib plate, and transverse long waist holes are formed in the upper side and the lower side of the sealing plate.
Preferably, the number of the rib plate threaded holes is two rows which are symmetrically distributed above and below the outer rib plate, and the transverse long waist holes of the circumferentially adjacent seal plates close to the edges are all overlapped with the same rib plate threaded hole.
Preferably, the vent holes are formed at the corners of the outer rib plates, and the diagonal distribution of the vent holes of two adjacent outer rib plates is realized.
Preferably, the recovery pipe is in an inverted L shape, the outer surface of the recovery pipe is wrapped with heat insulation cotton, and the lower end of the recovery pipe is communicated with the air inlet of the heat exchanger.
Preferably, the air suction opening of the air blower is communicated with the air exhaust opening of the heat exchanger through a pipeline, two ends of the air inlet pipe are respectively communicated with the air outlet and the air vent of the air blower, and an outer cavity discharge pipe is fixedly connected above the top-most air vent.
(III) advantageous effects
Compared with the prior art, the invention provides an energy-saving stripping tower with temperature exchange, which has the following beneficial effects:
1. this take energy-saving strip tower of temperature exchange, through strip tower assembly, the air-blower, the cooperation setting of heat preservation cotton and shrouding, make this take energy-saving strip tower of temperature exchange possess the heat that the make full use of was retrieved and kept out the effect that the heat runs off from the surface in the tower, strip tower assembly surface forms a little cavity through outer floor and shrouding, heat preservation cotton in the cavity can avoid the heat in the tower to spread in a large number outwards, the shrouding can avoid outside cold wind directly to blow to the heat preservation cotton and take away the heat, the air-blower leads to the cavity department of heat preservation cotton and shrouding with the hot-blast recovery once more that heat exchanger does not utilize, make the temperature of heat preservation cotton surface not so low, and then play and avoid the heat diffusion, thereby reach the thermal effect of make full use of recovery.
2. This take temperature exchange's energy-saving strip tower, setting through strip tower assembly, make this take temperature exchange's energy-saving strip tower possess the light effect that nevertheless intensity is enough and be convenient for transport of quality, strip tower assembly surface evenly distributed has the outer floor of polylith hexagon, can be with the whole attenuate of tower wall through the enhancement of outer floor, the clearance of outer floor is convenient for pass and fixed lifting rope from strip tower main part below, outer floor can prop up strip tower main part, and then do not need auxiliary bearing during the transportation, realize the effect of the transportation of being convenient for.
Drawings
FIG. 1 is a schematic structural diagram of a front view of an energy-saving stripping tower with temperature exchange according to the present invention;
FIG. 2 is a schematic structural diagram of a top cross-sectional view of an energy-saving stripping tower with temperature exchange according to the present invention;
FIG. 3 is a schematic structural diagram of a partially enlarged top cross-sectional view of an energy-saving stripping tower with temperature exchange according to the present invention;
FIG. 4 is a schematic structural diagram of a partial explosion diagram of an energy-saving stripping tower with temperature exchange according to the present invention;
fig. 5 is a schematic structural diagram of an energy-saving stripping tower assembly with temperature exchange according to the present invention.
In the figure: 1. a stripping column assembly; 101. a stripper column main body; 102. a stripper vent line; 103. an outer rib plate; 104. a steam inlet flange; 105. a rib plate threaded hole; 106. a vent hole; 2. a recovery pipe; 3. a heat exchanger; 4. a blower; 5. an air inlet pipe; 6. heat preservation cotton; 7. hooping; 8. closing the plate; 801. a transverse long waist hole; 9. a gasket; 10. an outer cavity discharge pipe.
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. 1-5, an energy-saving stripping tower with temperature exchange comprises a stripping tower assembly 1, wherein the stripping tower assembly 1 comprises a stripping tower main body 101, a stripping tower exhaust pipe 102 is fixedly connected above the stripping tower main body 101, an outer rib plate 103 is fixedly connected on the outer surface of the stripping tower main body 101, the outer rib plate 103 is a regular hexagon, a plurality of outer rib plates 103 are uniformly distributed on the outer surface of the stripping tower main body 101, a steam inlet flange 104 is fixedly connected below the stripping tower main body 101, the steam inlet flange 104 is arranged below the outer rib plate 103, the steam inlet flange 104 is arranged at the position of the corner of the outer rib plate 103, the length of the steam inlet flange 104 protruding out of the stripping tower main body 101 is not more than the length of the outer rib plate 103 protruding out of the stripping tower main body 101, a rib plate threaded hole 105 is formed in the outer surface of the outer rib plate 103, a vent hole 106 is formed in one side of the outer rib plate 103, the vent holes 106 are arranged at the corners of the outer rib plates 103, the vent holes 106 of two adjacent outer rib plates 103 are distributed diagonally, the recovery pipe 2 is fixedly connected above the exhaust pipe 102 of the stripping tower, one end of the recovery pipe 2 is fixedly connected with the heat exchanger 3, the recovery pipe 2 is inverted L-shaped, the outer surface of the recovery pipe 2 is wrapped with heat insulation cotton, the lower end of the recovery pipe 2 is communicated with the air inlet of the heat exchanger 3, one side of the heat exchanger 3 is fixedly connected with an air blower 4, the air suction port of the air blower 4 is communicated with the air outlet of the heat exchanger 3 through a pipeline, the two ends of the air inlet pipe 5 are respectively communicated with the air outlet of the air blower 4 and the vent holes 106, the air inlet pipe 5 is fixedly connected between the air blower 4 and the stripping tower assembly 1, the heat insulation cotton 6 is arranged between the outer rib plates 103, the heat insulation cotton 6 is a complete circular ring formed by two semicircular rings, the height of the heat insulation cotton 6 is the same as the distance between the outer rib plates 103, the outer diameter of heat preservation cotton 6 is less than the inscribed circle of hexagonal outer rib plate 103, the outer fixed surface of heat preservation cotton 6 is connected with staple bolt 7, the outer fixed surface of outer rib plate 103 is connected with shrouding 8, the material of shrouding 8 is the stainless steel sheet, the centre of shrouding 8 is provided with 120 degrees dog-ear, the length that shrouding 8 expandes is greater than the length of side of outer rib plate 103, horizontal long kidney hole 801 has been seted up to the top and bottom of shrouding 8, be provided with sealed pad 9 between shrouding 8 and the outer rib plate 103, a plurality of the two rows of symmetric distributions that are of quantity of rib plate screw hole 105 are in the top and bottom of outer rib plate 103, the adjacent shrouding 8 in circumference is close to horizontal long kidney hole 801 at edge and all coincides with same rib plate screw hole 105, the top fixedly connected with exocoel discharge pipe 10 of top layer air vent 106.
When in use, because the stripping tower main body 101 is provided with a plurality of outer rib plates 103 which are uniformly distributed on the outer surface, the outer rib plates 103 play a role in strengthening the strength of the stripping tower main body 101, and further the wall thickness of the stripping tower main body 101 does not need to be very thick, parts on the outer surface of the stripping tower assembly 1 are firstly removed during transportation, the stripping tower assembly 1 can be directly placed on the ground without an auxiliary support to support the stripping tower main body 101 through the outer rib plates 103, lifting ropes can conveniently penetrate through gaps below the outer rib plates 103 during lifting, and the lifting ropes are directly clamped between the outer rib plates 103 and cannot slide during lifting, so that the trouble of fixing the lifting ropes is saved, the transportation is very convenient, during installation, the stripping tower assembly 1 is firstly fixed, the hold hoop 7 is further used for fixing the heat preservation cotton 6 between the outer rib plates 103, and the seal plate 8 is further used for sealing the heat preservation cotton 6 inside, a sealing gasket 9 is arranged between the sealing plate 8 and the outer rib plate 103, the sealing function of the sealing gasket 9 can prevent the hot air introduced by the blower 4 from overflowing, and finally, components such as the heat exchanger 3 and the like are installed, after the hot gas discharged from the upper part of the stripping tower is recycled by the heat exchanger 3, the temperature of the gas discharged again from the heat exchanger 3 is lower, the recycling value is not large, but the direct discharge is wasted, therefore, the stripping tower is externally provided with a layer of cavity on the outer surface, the hot gas containing a small amount of heat is introduced into the cavity again, so that the heat exchange between the heat insulation cotton 6 and the seal plate 8 is changed into the heat exchange among the heat insulation cotton 6, the seal plate 8 and the residual heat gas, and then the heat consumption of heat preservation cotton 6 slows down, and then plays heat retaining effect, and the mode that the air vent 106 diagonal of adjacent outer floor 103 was arranged can make the circulation scope of letting in steam wider.
To sum up, this energy-saving strip tower of taking temperature exchange, through strip tower assembly 1, air-blower 4, the cooperation setting of heat preservation cotton 6 and shrouding 8, make this energy-saving strip tower of taking temperature exchange possess the heat that can make full use of the recovery and keep out the effect that heat runs off from the surface in the tower, strip tower assembly 1 surface forms a little cavity through outer floor 103 and shrouding 8, heat preservation cotton 6 in the cavity can avoid the heat in the tower to spread toward outside a large amount, shrouding 8 can avoid outside cold wind directly to blow to take away the heat to heat preservation cotton 6, air-blower 4 retrieves the cavity department that leads to heat preservation cotton 6 and shrouding 8 with the hot-blast recovery once more that heat exchanger 3 does not utilize, make the temperature of heat preservation cotton 6 surface not so low, and then play and avoid the heat diffusion, thereby reach the thermal effect of make full use of recovery, through strip tower assembly 1's setting, make this energy-saving strip tower of taking temperature exchange possess the light but the effect that intensity is enough and be convenient for transportation The outer rib plates 103 of a plurality of hexagons are uniformly distributed on the outer surface of the stripping tower assembly 1, the tower wall can be integrally thinned through the reinforcement of the outer rib plates 103, the gaps of the outer rib plates 103 are convenient to penetrate through and fix lifting ropes below the stripping tower main body 101, the stripping tower main body 101 can be supported by the outer rib plates 103, and further an auxiliary support is not needed during transportation, so that the effect of convenient transportation is realized.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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, the use of the verb "comprise a" to define an element does not exclude the presence of another, same element 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 (9)
1. The utility model provides an energy-saving stripper that takes temperature exchange, includes stripper assembly (1), its characterized in that: the stripping tower assembly (1) comprises a stripping tower main body (101), a stripping tower exhaust pipe (102) is fixedly connected to the upper part of the stripping tower main body (101), an outer rib plate (103) is fixedly connected to the outer surface of the stripping tower main body (101), a steam inlet flange (104) is fixedly connected to the lower part of the stripping tower main body (101), a rib plate threaded hole (105) is formed in the outer surface of the outer rib plate (103), a vent hole (106) is formed in one side of the outer rib plate (103), an outer cavity discharge pipe (10) is fixedly connected to the upper part of the topmost vent hole (106), a recovery pipe (2) is fixedly connected to the upper part of the stripping tower exhaust pipe (102), a heat exchanger (3) is fixedly connected to one end of the recovery pipe (2), an air blower (4) is fixedly connected to one side of the heat exchanger (3), and an air inlet pipe (5) is fixedly connected between the air blower (4) and the stripping tower assembly (1), be provided with between outer floor (103) heat preservation cotton (6), the outer fixed surface of heat preservation cotton (6) is connected with staple bolt (7), the outer fixed surface of outer floor (103) is connected with shrouding (8), be provided with sealed pad (9) between shrouding (8) and outer floor (103).
2. The temperature exchanged energy-saving stripping column according to claim 1, characterized in that: the outer rib plates (103) are regular hexagons, and a plurality of the outer rib plates (103) are uniformly distributed on the outer surface of the stripping tower main body (101).
3. The economized stripper with temperature exchange according to claim 1, characterized in that: the steam inlet flange (104) is arranged below the outer rib plate (103), the steam inlet flange (104) is arranged at the position of the corner of the outer rib plate (103), and the length of the steam inlet flange (104) protruding out of the stripping tower main body (101) is not more than the length of the corner of the outer rib plate (103) protruding out of the stripping tower main body (101).
4. The economized stripper with temperature exchange according to claim 1, characterized in that: the heat-insulating cotton (6) is a full circular ring formed by two semicircular rings, the height of the heat-insulating cotton (6) is the same as the distance between the outer rib plates (103), and the outer diameter of the heat-insulating cotton (6) is smaller than the inscribed circle of the hexagonal outer rib plates (103).
5. The economized stripper with temperature exchange according to claim 1, characterized in that: the material of shrouding (8) is the stainless steel sheet, be provided with 120 degrees dog-ears in the centre of shrouding (8), the length that shrouding (8) expand is greater than the length of side of outer floor (103), horizontal long waist hole (801) have been seted up to the upper and lower side of shrouding (8).
6. The economized stripper with temperature exchange according to claim 1, characterized in that: the number of the rib plate threaded holes (105) is two rows which are symmetrically distributed above and below the outer rib plate (103), and the transverse long waist holes (801) close to the edges of the circumferentially adjacent sealing plates (8) are all overlapped with the same rib plate threaded hole (105).
7. The economized stripper with temperature exchange according to claim 1, characterized in that: the vent holes (106) are formed at the corners of the outer rib plates (103), and the vent holes (106) of two adjacent outer rib plates (103) are distributed diagonally.
8. The temperature exchanged energy-saving stripping column according to claim 1, characterized in that: the recycling pipe (2) is in an inverted L shape, the outer surface of the recycling pipe (2) is wrapped with heat insulation cotton, and the lower end of the recycling pipe (2) is communicated with the air inlet of the heat exchanger (3).
9. The economized stripper with temperature exchange according to claim 1, characterized in that: the air inlet of the air blower (4) is communicated with the air outlet of the heat exchanger (3) through a pipeline, and the two ends of the air inlet pipe (5) are respectively communicated with the air outlet of the air blower (4) and the vent hole (106).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011364274.0A CN112494974B (en) | 2020-11-27 | 2020-11-27 | Energy-saving stripping tower with temperature exchange function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011364274.0A CN112494974B (en) | 2020-11-27 | 2020-11-27 | Energy-saving stripping tower with temperature exchange function |
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| CN112494974A CN112494974A (en) | 2021-03-16 |
| CN112494974B true CN112494974B (en) | 2022-06-17 |
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| CN202011364274.0A Active CN112494974B (en) | 2020-11-27 | 2020-11-27 | Energy-saving stripping tower with temperature exchange function |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB506634A (en) * | 1937-08-28 | 1939-05-30 | Gerhard Robert Zondervan | Improvements in or relating to heat-insulated containers |
| CN210313172U (en) * | 2019-08-05 | 2020-04-14 | 中交路桥华南工程有限公司 | Pipe body hoisting clamp and pipe body hoisting system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015218341B4 (en) * | 2015-09-24 | 2018-05-09 | Kermi Gmbh | Method for reducing unwanted heat emission from heating pipes of a surface heating |
| CN205550264U (en) * | 2016-02-18 | 2016-09-07 | 江西宏特绝缘材料有限公司 | A reaction kettle device for unsaturated polyester resin |
| CN207562372U (en) * | 2017-11-17 | 2018-07-03 | 江苏达美聚酯科技有限公司 | A kind of heat preserving type destilling tower |
| CN208268564U (en) * | 2018-04-19 | 2018-12-21 | 中材江苏太阳能新材料有限公司 | A kind of petroleum transportation pipeline |
| CN110470129A (en) * | 2019-08-16 | 2019-11-19 | 黑龙江立高科技股份有限公司 | A kind of hygiene-type independent suspension type air jacket lagging casing |
| CN211570160U (en) * | 2019-12-25 | 2020-09-25 | 河北启明化工科技有限公司 | Stripping tower |
-
2020
- 2020-11-27 CN CN202011364274.0A patent/CN112494974B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB506634A (en) * | 1937-08-28 | 1939-05-30 | Gerhard Robert Zondervan | Improvements in or relating to heat-insulated containers |
| CN210313172U (en) * | 2019-08-05 | 2020-04-14 | 中交路桥华南工程有限公司 | Pipe body hoisting clamp and pipe body hoisting system |
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