CN209317071U - A kind of high fluidity preparing polyurethane heating fractionating device - Google Patents
A kind of high fluidity preparing polyurethane heating fractionating device Download PDFInfo
- Publication number
- CN209317071U CN209317071U CN201822108602.5U CN201822108602U CN209317071U CN 209317071 U CN209317071 U CN 209317071U CN 201822108602 U CN201822108602 U CN 201822108602U CN 209317071 U CN209317071 U CN 209317071U
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- fractionating column
- storehouse
- water
- fractionating
- 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.)
- Expired - Fee Related
Links
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model relates to field of chemical equipment, in particular to a kind of high fluidity preparing polyurethane heats fractionating device, including fractionating column, water storing bin, water recycles cold guide apparatus and thermostatic oven, fractionation column base is communicated with evaporator, multiple heat exchange storehouses are equipped with inside fractionating column, the same end in each heat exchange storehouse is connected with water circulation cold guide apparatus, the outside of fractionating column is equipped with return line, return line is connected with the other end in each heat exchange storehouse, heat exchange storehouse is spliced by two shells symmetrical above and below, shell is pyramidal structure, and the tip between two shells being connected is located remotely from each other, the inner surface of fractionating column offers spiral heat exchange slot, it is connected in the output end of thermostatic oven and evaporator, evaporator has been externally wrapped with insulating tube, insulating tube one end is connected to return line, and the other end is connected with water storing bin, This practical fractionation work accelerated to condensation water, improves working efficiency, and may be recovered utilization to the thermal energy in fractional distillation process.
Description
Technical field
The utility model relates to field of chemical equipment, in particular to a kind of high fluidity preparing polyurethane heating fractionation dress
It sets.
Background technique
Application of the polyurethane on the products such as sole has nearly 50 years history, polyurethane shoe-sole have it is light, wear-resisting,
The characteristics such as folding, on-slip.But since the mobility of urethane raw is inadequate, when making sole, the stream of raw material in a mold
Dynamic property is ineffective, causes the surface of polyurethane product to will appear different degrees of scarce material, stomata, bubble, causes the table of product
The inadequate gloss in face, appearance are not perfect；In order to solve this problem, by studying repeatedly, the preparation of high flow polyester is developed
Method, with specific reference to China Patent No.: a kind of high flow polyester and polyether mixed type polyurethane of CN201110236101.5
The preparation method of material.
Since the preparation process of high fluidity polyurethane is very complicated, need to carry out proportion, the reaction mixing of plurality of raw materials,
Wherein having a step is to prepare mixing material polyester polyol, the polyester polyol during the preparation process, wherein there is a stage meeting
A large amount of condensation water is given off, the discharging modes of traditional condensation water are mostly direct emissions, are had developed later for discharge
The fractionating device of condensation water, but existing fractionating device is excessively slow in the presence of the fractionation time, can not adapt to large-scale chemical plant in this way
Work, while this kind of fractionation work belongs to big energy consumption type, does not have energy-saving effect to a certain extent.
Utility model content
The purpose of this utility model is that in view of the deficiencies of the prior art, a kind of high fluidity preparing polyurethane is provided and is added
Hot fractionating device.
To solve the above problems, the utility model the following technical schemes are provided:
A kind of high fluidity preparing polyurethane heating fractionating device, including fractionating column, water storing bin, water circulation conduction cooling dress
Set, thermostatic oven and evaporator, evaporator are connected with the tower bottom of fractionating column, fractionating column be internally provided with it is several along axial direction
The heat exchange storehouse being spacedly distributed, the same end in each heat exchange storehouse are connected with water circulation cold guide apparatus, and water recycles cold guide apparatus
Also it is connected with water supply network, the outside of fractionating column is provided with return line, the other end of the return line and each heat exchange storehouse
It is connected, the liquid flow direction to exchange heat in storehouse is parallel with the radial direction of fractionating column, and the storehouse that exchanges heat is by two shells symmetrical above and below
It is spliced, shell is pyramidal structure, and the tip between two to be connected shell is located remotely from each other, the inner surface of fractionating column
The spiral heat exchange slot being axially arranged along it is offered, is connected in the output end and evaporator of thermostatic oven, outside evaporator
Portion is wound with insulating tube, and one end of the insulating tube is connected to return line, and is connected in the other end and water storing bin.
Further, water circulation cold guide apparatus includes front pump and water supplying pipe, water supplying pipe be equipped with it is multiple can with it is all
Heat exchange storehouse corresponds the branch pipe that is connected of formula, and the output end of insulating tube is connected to by rear pump with water storing bin, rear pump and defeated
Enter and pump synchronous matching, and the two is 0.02m/ seconds left controlling the flow rate of liquid in each heat exchange storehouse in mean flow rate
It is right.
It further, is bevel structure at the trough rim of spiral heat exchange slot.
Further, heat exchange storehouse is made of heat-conducting.
Further, all heat exchange storehouses pass through a main shaft and are arranged in fractionating column, and exchanging heat, storehouse is coaxial with fractionating column to be set
It sets, the annular spacing risen for steam is constituted between the middle section outer wall in the storehouse that exchanges heat and the inner wall of fractionating column, which is 6cm
The section~8cm.
Further, the top of fractionating column is provided with high pressure regulator, which passes through in hose and fractionating column
Connection, and to control the air pressure in fractionating column.
Further, thermal generating equipment is provided in water storing bin, water storing bin is made of heat preservation material.
The utility model has the advantages that the utility model a kind of high fluidity preparing polyurethane heat fractionating device, front pump it is defeated
Enter end connection is the pipeline of water supply network, and purpose is squeezed into cold water in each branch pipe by water supplying pipe, finally reaches each change
In hot storehouse, cold liquid flows in heat exchange storehouse, and speed is slow, should during, during the steam in fractionating column rises, due to change
The appearance face contact in hot storehouse continues and constitutes heat exchange purpose, the part in steam has been promoted to constitute liquid, while portion gas
It is also directed into spiral heat exchange slot, the cooperation of the slot inner edge, the external area in the storehouse that exchanges heat of spiral heat exchange slot greatly extends
Bigger heat exchange purpose is realized in the inner space of limited fractionating column；And promote in the cone structure due to heat exchange storehouse
The medium of liquid can smoothly slide, and return in evaporator, it is often more important that be arranged by the shell of pyramidal structure, so that heat exchange
Area is expanded, and heat exchange efficiency is improved, and reaches the fractionation purpose of accurate, fast efficiency；It is final realize by condensation water into
The stable fractionation processing of row, can treated that alcohols is recycled by a certain proportion of, the acidity in remaining condensation water
It is reduced, is conducive to discharge, realize environmental protection, while the outer surface pyramidal structure in the storehouse that exchanges heat not only is conducive under liquid medium
It falls, also prevents liquid medium and accumulate, while also giving the certain whereabouts buffering of liquid medium, which exists
In, make liquid medium and subsequent evaporation and on repeatable the reaching again of gaseous state contact, also allow for liquid medium and gas
State medium reaches heat exchange, and when liquid medium having been promoted to return to evaporator, temperature difference is not too big, to not influence evaporator
Interior specific evaporating temperature；Since heat exchange storehouse is a warehouse, internal capacity is greater than tube body, thus flow velocity it is slow be arranged so that
Its internal cold liquid detaches just now after more thermal energy can be absorbed；The active force of insulating tube is-half hydrothermal solution of cold liquid after exchanging heat
It is just left after evaporator, so that evaporator outer surface row is at certain heat preservation, it is ensured that its internal temperature, which is in, stablizes shape
State；High pressure regulator is different according to the boiling point of the medium of fractionation of each stage, and controls the pressure in fractionating column, formation pair
The controllability of medium boiling point, thermal generating equipment can play the heat source in the hot water in water storing bin using purpose, this is practical new
Type can accelerate the fractionation work to condensation water, improve working efficiency, while being recycled to the thermal energy in fractional distillation process,
And then realize energy conservation.
Detailed description of the invention
Fig. 1 is the floor map of the utility model；
Fig. 2 is the section plan of fractionating column in the utility model；
Fig. 3 is the three-dimensional cutaway view of fractionating column in the utility model；
Description of symbols: fractionating column 1, water storing bin 2, thermostatic oven 3, evaporator 4, exchange heat storehouse 5, annular spacing 5a,
Return line 6, spiral heat exchange slot 7, bevel structure 7a, insulating tube 8, rear pump 8a, front pump 9, water supplying pipe 9a, branch pipe 9b are high
Press adjuster 10, thermal generating equipment 11.
Specific embodiment
With reference to the accompanying drawings of the specification and embodiment, specific embodiment of the utility model is described in further detail:
Referring to figs. 1 to a kind of high fluidity preparing polyurethane heating fractionating device shown in Fig. 3, including fractionating column 1, storage
Sump 2, water circulation cold guide apparatus, thermostatic oven 3 and evaporator 4, evaporator 4 are connected with the tower bottom of fractionating column 1, fractionating column
1 is internally provided with several heat exchange storehouses 5 being axially spacedly distributed along it, and the same end in each heat exchange storehouse 5 recycles conduction cooling with water
Device is connected, and water circulation cold guide apparatus is also connected with water supply network, and the outside of fractionating column 1 is provided with return line 6, this time
Flow tube road 6 is connected with the other end in each heat exchange storehouse 5, and the liquid flow direction to exchange heat in storehouse 5 is equal with the radial direction of fractionating column 1
Row, heat exchange storehouse 5 be spliced by two shells symmetrical above and below, shell is pyramidal structure, and two to be connected shell it
Between tip be located remotely from each other, the inner surface of fractionating column 1 offers the spiral being axially arranged along it and exchanges heat slot 7, thermostatic oven 3
It is connected in output end and evaporator 4, evaporator 4 has been externally wrapped with insulating tube 8, one end of the insulating tube 8 and return line 6
Connection, and be connected in the other end and water storing bin 2.
Water circulation cold guide apparatus includes front pump 9 and water supplying pipe 9a, water supplying pipe 9a be equipped with it is multiple can be with all heat exchange
The output end of the branch pipe 9b that 5 one-to-one correspondence formula of storehouse is connected, insulating tube 8 are connected to by rear pump 8a with water storing bin 2, rear pump 8a
With 9 synchronous matching of front pump, and the two is to control and be in mean flow rate the flow rate of liquid in each heat exchange storehouse 5
0.02m/ seconds or so；What the input terminal of front pump 9 was connected to is the pipeline of water supply network, and purpose is squeezed into cold water by water supplying pipe 9a
In each branch pipe 9b, finally reaching in each heat exchange storehouse 5, cold liquid flows in heat exchange storehouse 5, and speed is slow, during being somebody's turn to do,
During steam in fractionating column 1 rises, due to the appearance face contact with heat exchange storehouse 5, continues and constitute heat exchange purpose, promoted steam
In part constitute liquid, and promote the medium of liquid that can smoothly slide in the cone structure due to heat exchange storehouse 5, return
In evaporator 4, and reach precision fractionation purpose；The outer surface pyramidal structure in heat exchange storehouse 5 is not only conducive to the whereabouts of liquid medium,
It prevents liquid medium to accumulate, while also giving the certain whereabouts buffering of liquid medium, which is, makes liquid
State medium and subsequent evaporation and on repeatable the reaching again of gaseous state contact, also allow for liquid medium and reached with gaseous medium
To heat exchange, when liquid medium having been promoted to return to evaporator 4, temperature difference is not too big, to not influence the tool in evaporator 4
Evacuator body temperature；Since heat exchange storehouse 5 is a warehouse, internal capacity is greater than tube body, so the slow of flow velocity is arranged so that in it
The cold liquid in portion detaches just now after more thermal energy can be absorbed；The active force of insulating tube 8 be-half hydrothermal solution of cold liquid after exchanging heat by way of
It is just left after evaporator 4, so that 4 outer surface row of evaporator is at insulating layer, it is ensured that its internal temperature is in stable state.
It is bevel structure 7a at the trough rim of spiral heat exchange slot 7；Spiral exchange heat slot 7 slot inner edge, exchange heat storehouse 5 external area
Cooperation, greatly extend in the inner space of limited fractionating column 1 and realize bigger heat exchange purpose；Spiral is changed simultaneously
The setting of heat channel 7 is but also the medium of operative liquid will not directly return evaporator 4 after its condensation, because of this kind of condensation
Medium afterwards is more, prevents from directly dropping back into evaporator 4 due to it, causes the internal temperature differential in evaporation cavity to rise and fall too big, from
And it is big that temperature control device testing result is risen and fallen, so that 3 frequent operation of thermostatic oven, causes to consume energy from a certain level
Greatly.
Heat exchange storehouse 5 is made of heat-conducting；It is preferable to realize heat exchange, so that gasifying medium can fast implement condensation.
All heat exchange storehouses 5 are arranged in fractionating column 1 by a main shaft, and exchange heat the setting coaxial with fractionating column 1 of storehouse 5, change
The annular spacing 5a risen for steam is constituted between the middle section outer wall in hot storehouse 5 and the inner wall of fractionating column 1, which is 6cm
The section~8cm；Gas is along to axial rising in fractionating column 1, and during being somebody's turn to do, gas takes the lead in and the lower semisection appearance in heat exchange storehouse 5
Face contact, constitutes heat exchange condensation, remaining steam is then risen by annular spacing 5a.The purpose connects gas sufficiently by force
Touching heat exchange storehouse 5；And import its part in spiral heat exchange slot 7.
The top of fractionating column 1 is provided with high pressure regulator 10, and the high pressure regulator 10 in hose and fractionating column 1 by connecting
It is logical, and to control the air pressure in fractionating column 1；High pressure regulator 10 be according to each stage fractionation medium boiling point not
Together, the pressure in fractionating column 1 is controlled, the controllability to medium boiling point is formed.
Thermal generating equipment 11 is provided in water storing bin 2, water storing bin 2 is made of heat preservation material；It is storage in water storing bin 2
By the hot water of heat exchange, these hot water have a large amount of thermal energy, and in the today for entering the energy conservation and environmental protection epoch, we have to abundant benefit
It with these thermal energy, contributes for energy conservation and environmental protection cause, so being carried out by thermal generating equipment 11 to the thermal energy in water storing bin 2
It utilizing, and realizes power generation, thermal generating equipment 11 is the prior art, particular technique principle, please refer to China Patent No.:
CN200420009863.When which can provide that equipment component is started in the utility model, consumed part electric energy, simultaneously
After the water later period in water storing bin 2 turns cold, it can continue to put into water cooling work, play and recycle.
Working principle: what the input terminal of front pump 9 was connected to is the pipeline of water supply network, and purpose is by cold water by water supplying pipe 9a
It squeezes into each branch pipe 9b, finally reaches in each heat exchange storehouse 5, cold liquid flows in heat exchange storehouse 5, and speed is slow, the mistake
Cheng Zhong during the steam in fractionating column 1 rises, due to the appearance face contact with heat exchange storehouse 5, continues and constitutes heat exchange purpose, promote
Part in steam constitutes liquid, while portion gas is also directed into spiral heat exchange slot 7, and spiral exchanges heat the slot of slot 7
Inner edge, the storehouse 5 that exchanges heat external area cooperation, greatly extend in the inner space of limited fractionating column 1 and realize more
Big heat exchange purpose；And promotes the medium of liquid that can smoothly slide in the cone structure due to heat exchange storehouse 5, return evaporator
In 4, it is often more important that it is arranged by the shell of pyramidal structure, so that heat exchange area is expanded, heat exchange efficiency is improved, and
Reach the fractionation purpose of accurate, fast efficiency；It is final to realize that condensation water, which is carried out stable fractionation, to be handled, it can will be a certain proportion of
Treated, and alcohols is recycled, and the acidity in remaining condensation water is reduced, and is conducive to discharge, and realizes environmental protection, together
The outer surface pyramidal structure in the storehouse Shi Huanre 5 is not only conducive to the whereabouts of liquid medium, also prevents liquid medium and accumulates, simultaneously
Also give the certain whereabouts buffering of liquid medium, which is, make liquid medium and subsequent evaporation and on gaseous state
Repeatable reaches contact again, also allows for liquid medium and gaseous medium reaches heat exchange, liquid medium has been promoted to return
When in evaporator 4, temperature difference is not too big, to not influence the specific evaporating temperature in evaporator 4；Since heat exchange storehouse 5 is
One warehouse, internal capacity are greater than tube body, so after the slow setting of flow velocity is so that more thermal energy can be absorbed in cold liquid inside it
It detaches just now；The active force of insulating tube 8 is just leaving-half hydrothermal solution of cold liquid after heat exchange after evaporator 4, so that
4 outer surface row of evaporator is at certain heat preservation, it is ensured that its internal temperature is in stable state；High pressure regulator 10 is according to each
The boiling point of the medium of stage fractionation is different, and controls the pressure in fractionating column 1, forms the controllability to medium boiling point, thermal energy hair
Heat source in hot water in water storing bin 2 can be played and utilize purpose by electric equipment 11.
The above descriptions are merely preferred embodiments of the present invention, not makees to the technical scope of the utility model
Any restrictions out, thus it is any trickle amendment made by the above technical examples according to the technical essence of the present invention, equivalent
Variation and modification, in the range of still falling within the technical solution of the utility model.
Claims (7)
1. a kind of high fluidity preparing polyurethane heats fractionating device, it is characterised in that: including fractionating column (1), water storing bin
(2), water circulation cold guide apparatus, thermostatic oven (3) and evaporator (4), evaporator (4) are connected with the tower bottom of fractionating column (1),
Fractionating column (1) is internally provided with several heat exchange storehouses (5) being axially spacedly distributed along it, and the same end of each heat exchange storehouse (5) is equal
It is connected with water circulation cold guide apparatus, water circulation cold guide apparatus is also connected with water supply network, and the outside of fractionating column (1) is provided with
Return line (6), the return line (6) are connected with the other end of each heat exchange storehouse (5), the liquid flowing in heat exchange storehouse (5)
Direction is parallel with the radial direction of fractionating column (1), and heat exchange storehouse (5) is spliced by two shells symmetrical above and below, and shell is taper
Structure, and the tip between two shells being connected is located remotely from each other, the inner surface of fractionating column (1) offer along axial direction set
Spiral heat exchange slot (7) set, the output end and evaporator (4) of thermostatic oven (3) are interior to be connected, and the outside of evaporator (4) twines
Insulating tube (8) are wound with, one end of the insulating tube (8) is connected to return line (6), and is connected in the other end and water storing bin (2)
It is logical.
2. a kind of high fluidity preparing polyurethane according to claim 1 heats fractionating device, it is characterised in that: water follows
Ring cold guide apparatus includes front pump (9) and water supplying pipe (9a), water supplying pipe (9a) be equipped with it is multiple can be with all heat exchange storehouses (5) one
The output end of the branch pipe (9b) that one corresponding is connected, insulating tube (8) is connected to by rear pump (8a) with water storing bin (2), is exported
(8a) and front pump (9) synchronous matching is pumped, and the two is controlling the flow rate of liquid in each heat exchange storehouse (5) average
Flow velocity is 0.02m/ seconds or so.
3. a kind of high fluidity preparing polyurethane according to claim 1 heats fractionating device, it is characterised in that: spiral
It is at the trough rim of heat exchange slot (7) bevel structure (7a).
4. a kind of high fluidity preparing polyurethane according to claim 2 heats fractionating device, it is characterised in that: heat exchange
Storehouse (5) is made of heat-conducting.
5. a kind of high fluidity preparing polyurethane according to claim 1 heats fractionating device, it is characterised in that: all
Storehouse (5) are exchanged heat by a main shaft setting in fractionating column (1), exchange heat storehouse (5) setting coaxial with fractionating column (1), and exchange heat storehouse
(5) the annular spacing (5a) risen for steam is constituted between the inner wall of middle section outer wall and fractionating column (1), which is
The section 6cm~8cm.
6. a kind of high fluidity preparing polyurethane according to claim 1 heats fractionating device, it is characterised in that: fractionation
The top of tower (1) is provided with high pressure regulator (10), which is connected to by the way that hose and fractionating column (1) are interior, and
And to control the air pressure in fractionating column (1).
7. a kind of high fluidity preparing polyurethane according to claim 1 heats fractionating device, it is characterised in that: water storage
It is provided with thermal generating equipment (11) in storehouse (2), water storing bin (2) is made of heat preservation material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822108602.5U CN209317071U (en) | 2018-12-14 | 2018-12-14 | A kind of high fluidity preparing polyurethane heating fractionating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822108602.5U CN209317071U (en) | 2018-12-14 | 2018-12-14 | A kind of high fluidity preparing polyurethane heating fractionating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209317071U true CN209317071U (en) | 2019-08-30 |
Family
ID=67726977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822108602.5U Expired - Fee Related CN209317071U (en) | 2018-12-14 | 2018-12-14 | A kind of high fluidity preparing polyurethane heating fractionating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209317071U (en) |
-
2018
- 2018-12-14 CN CN201822108602.5U patent/CN209317071U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103951005B (en) | The more technology coupling seawater desalination plants of zero-emission and its method | |
| CN106010913B (en) | Steam circulation distillation wine making equipment | |
| CN103614272A (en) | An energy-saving continuous rice-steaming machine | |
| CN101157673A (en) | Maleic anhydride production technique | |
| CN209317071U (en) | A kind of high fluidity preparing polyurethane heating fractionating device | |
| CN206974230U (en) | A kind of pressure swinging type steam spherical shape heat accumulator of the micro- overheat of band | |
| CN209672758U (en) | A kind of jacket type oil bath drying unit of super absorbent resin | |
| CN203683513U (en) | Energy-saving continuous rice-steaming machine | |
| CN107877923B (en) | The radiator of screw oil expeller press chamber | |
| CN206959334U (en) | Directly-heated type Hot water units | |
| CN206995899U (en) | A kind of energy-efficient distillation still | |
| CN104147800A (en) | Two-stage methanol evaporation column and methanol evaporation technology method | |
| CN204869420U (en) | Add fever type rotational moulding mould | |
| CN206955994U (en) | A kind of oil and fat refining deodorizing tower | |
| CN209906638U (en) | A evaporation cabinet feed supplement device for preparing optical fiber perform | |
| CN203663474U (en) | Multi-effect evaporator | |
| CN206944783U (en) | Boost the rapid steam accumulator pressurizing system of homogeneous heating | |
| CN202447074U (en) | Reactor for ester exchanging | |
| CN206995893U (en) | A kind of outer circulation double effect evaporator to serve many purposes | |
| CN207079225U (en) | Organic efficient saves Zymolysis Equipment | |
| CN213578841U (en) | Steam cooling device for production of medical intermediate | |
| CN205337544U (en) | Quenching and tempering and cooling device of rice bran extrusion machine | |
| CN105384618A (en) | Ternary gas production device for preparing formaldehyde by adopting silver process | |
| CN202182656U (en) | Steam distributor | |
| CN105344117A (en) | Methanol evaporator for producing formaldehyde |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190830 Termination date: 20211214 |