CN207351252U - Star multilayer condenser/evaporator - Google Patents
Star multilayer condenser/evaporator Download PDFInfo
- Publication number
- CN207351252U CN207351252U CN201721308356.7U CN201721308356U CN207351252U CN 207351252 U CN207351252 U CN 207351252U CN 201721308356 U CN201721308356 U CN 201721308356U CN 207351252 U CN207351252 U CN 207351252U
- Authority
- CN
- China
- Prior art keywords
- liquid
- liquid oxygen
- nitrogen
- oxygen
- star
- 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.)
- Active
Links
Landscapes
- Separation By Low-Temperature Treatments (AREA)
Abstract
A kind of star multilayer condenser/evaporator is the utility model is related to, belongs to air separation unit technique field.Several heat exchangers are in star arrangement, channel of nitrogen is single layer sealing structure, liquid oxygen passage is sandwich construction, the two bottom sides of every layer of liquid oxygen passage are equipped with liquid oxygen import, top both sides are equipped with oxygen outlet, the liquid bucket for being connected to each heat exchanger both sides is respectively arranged between each heat exchanger, liquid bucket is sandwich construction and is provided with overflow downspout between layers, in addition to the orlop of liquid oxygen passage is not provided with liquid bucket, every layer of liquid bucket and every Rotating fields one-to-one corresponding of liquid oxygen passage, liquid bucket connects liquid oxygen import, liquid bucket is equipped with notch between layers, notch connects the oxygen outlet.The utility model expands the heat exchange area of condenser/evaporator at double, and energy consumption reduces, and can meet the heat exchange area requirement of 8 10 ten thousand grade air separation plant condenser/evaporators.
Description
Technical field
The utility model belongs to air separation unit technique field, more particularly to the star multilayer condensation evaporation that a kind of heat exchange amount is big
Device.
Background technology
Condenser/evaporator is the core equipment in Cryogenic Air Separation equipment, it is mainly by the tower under rectifying column
Pressure nitrogen gas condenses, the liquid oxygen evaporation of tower on rectifying column.At present, in air separation equipment common condenser/evaporator have bath and
Two kinds of membrane type, its heat exchange unit is aluminum plate-fin type.The heat exchange unit of bath condenser/evaporator is immersed in the liquid oxygen of low pressure,
Liquid oxygen after the nitrogen heat exchange in condenser/evaporator heat exchanger channels with vaporizing, nitrogen condensation.Film-type condensation evaporator, its principle are liquid
Oxygen is transported at the top of film-type condensation evaporator by gravity or liquid oxygen pump, and heat exchange is evenly distributed to by the liquid distributor of there
In the passage of unit, the liquid film that a sulfate layer flows downhill is moved is formed in the vertical walls of passage, liquid oxygen film flows downward along wall
While with channel of nitrogen in gas nitrogen exchange heat itself vaporization.Compared to bath condenser/evaporator, film-type condensation evaporator heat transfer
Coefficient is larger, so heat transfer temperature difference can control to obtain smaller, there is obvious advantage, but its manufacture difficulty and fortune on energy-saving
Sector-style is nearly higher than bath condenser/evaporator, and because its risk is larger, domestic application is less at present.
Current bath condenser/evaporator is distinguished from structure type, mainly there is vertical individual layer, vertical double and horizontal multi-row
Three types.Wherein vertical single layer structure is simple, several（1,2,3 or 4）In board-like arrangement housing, using star-like cloth
Put or be arranged in juxtaposition；Vertical double has two layers up and down, is connected by overflow pipe with riser two layers up and down；Its structure of horizontal multi-row
Longer, displacement volume is big, can meet 50,000 grade above Main Condenser Associated with Air Separation heat exchange area requirements, but sky is occupied in ice chest
Between it is larger, pipe arrangement difficulty is larger, while support can only be arranged on ice chest wall, and the stress that is subject to is larger when can cause operation.
As the maximization of air separation unit and the process of super-hugeization constantly promote, the air separation plant of ten thousand grades of 6-12 is continuous
Appearance, traditional individual layer condenser/evaporator and vertical double condenser/evaporator prevent its heat exchange area from expiring due to restricted diameter system
Foot requires, and horizontal multi-row master is cold, and due to its pipe arrangement and support, problem shortcoming is more prevents it from promoting, and the cold manufacture of multilayer master is more
It is complicated.
The content of the invention
The purpose of the utility model is to overcome deficiencies of the prior art, and provide a kind of reasonable in design
Star multilayer condenser/evaporator, compared to level bath condenser/evaporator, device diameters smaller during identical heat exchange amount, consumption
Can be less, it can meet the heat exchange area requirement of the condenser/evaporator of ten thousand grade air separation plants of 8-10.
To achieve the above object, the utility model is realized using following technical scheme：A kind of star multilayer condensation is steamed
Send out device, including upright shell, the heat exchanger inside the upright shell, liquid oxygen intake header, nitrogen inlet manifold and liquid nitrogen
Outlet, the upright shell are sealing structure, and the heat exchanger includes the channel of nitrogen of condensation side and the liquid oxygen of evaporation side leads to
Road, the liquid oxygen intake header connect the upright shell by liquid oxygen entrance branch, and one end of the nitrogen inlet manifold leads to
The top that nitrogen inlet branch pipe connects the channel of nitrogen is crossed, the other end connects the outside of the upright shell, and the liquid nitrogen goes out
Mouth pipe one end connects the bottom of the channel of nitrogen, and the other end connects the outside of the upright shell, several described heat exchangers
In star arrangement, the bottom of the upright shell is fixed on vertically respectively, the nitrogen inlet manifold is arranged on star centre, institute
It is single layer sealing structure to state channel of nitrogen, and the liquid oxygen passage is sandwich construction, and the two bottom sides of every layer of liquid oxygen passage are equipped with liquid
Oxygen import, top both sides are equipped with oxygen outlet, are respectively arranged between each heat exchanger and are connected to each heat exchanger two
The liquid bucket of side, the liquid bucket is sandwich construction and is provided with overflow downspout between layers, the superiors' connection of the liquid bucket
The liquid oxygen entrance branch, in addition to the orlop of the liquid oxygen passage is not provided with the liquid bucket, every layer and institute of the liquid bucket
The every Rotating fields for stating liquid oxygen passage correspond, and the liquid bucket connects the liquid oxygen import, and the liquid bucket is equipped between layers
Notch, the notch connect the oxygen outlet.
Every layer of upper and lower ends of the liquid oxygen passage are equipped with V-arrangement flow deflector, liquid oxygen by after the liquid oxygen import through lower end
The V-type flow deflector enter the liquid oxygen passage, released after the V-arrangement flow deflector that oxygen passes through upper end through the oxygen outlet
Put to the housing.
The liquid oxygen passage is equipped with four layers successively from top to bottom.
The notch is v-shaped structure.
The liquid bucket is v-shaped structure.
The heat exchanger is 6.
The utility model compared with prior art, has the following advantages and effect：
The evaporation side of heat exchanger using bilateral disengaging material so that feed liquor and go out lower gas velocity, resistance smaller, distribution more
Uniformly；Evaporation side uses sandwich construction, and floor height can be down to the half of bath condenser/evaporator heat exchange unit height, reduce evaporation
Side liquid liquid-column height, in the case of equal heat exchange area, reduces lower top of tower nitrogen pressure, so as to reduce air compressor machine exhaust
Pressure, reduces air compressor machine energy consumption；The design of V-arrangement liquid bucket takes full advantage of the gap between heat exchanger, while also leaves foot
Enough gas passages；The V-arrangement baffle design of heat exchanger evaporation side, can increase the relative altitude of evaporation side fin, so as to increase
Add evaporation side heat exchange area.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model star multilayer condenser/evaporator.
Fig. 2 is the overlooking the structure diagram of the utility model star multilayer condenser/evaporator.
Fig. 3 is the sectional view of the front view of the utility model star multilayer condenser/evaporator.
Fig. 4 is the liquid oxygen passage of the utility model star multilayer condenser/evaporator and the structure diagram of channel of nitrogen.
1st, upright shell, 2, heat exchanger, 3, liquid oxygen intake header, 4, nitrogen inlet manifold, 5, liquid nitrogen outlet, 6, nitrogen
Passage, 7, liquid oxygen passage, 8, liquid oxygen entrance branch, 9, nitrogen inlet branch pipe, 10, liquid oxygen import, 11, oxygen outlet, 12, liquid
Bucket, 13, overflow downspout, 14, notch, 15, V-arrangement flow deflector.
Embodiment
It is further described below in conjunction with the accompanying drawings and by embodiment to the utility model, following embodiments are to this reality
With new explanation, the utility model is not limited to following embodiments.
Referring to attached drawing 1,2,3,4, a kind of star multilayer condenser/evaporator, including upright shell 1, in the upright shell 1
Internal heat exchanger 2, liquid oxygen intake header 3, nitrogen inlet manifold 4 and liquid nitrogen outlet 5, the upright shell 1 are tied for sealing
Structure, the heat exchanger 2 includes the channel of nitrogen 6 of condensation side and the liquid oxygen passage 7 of evaporation side, the liquid oxygen intake header 3 pass through
Liquid oxygen entrance branch 8 connects the upright shell 1, and one end of the nitrogen inlet manifold 4 connects institute by nitrogen inlet branch pipe 9
The top of channel of nitrogen 6 is stated, the other end connects the outside of the upright shell 1, and described 5 one end of liquid nitrogen outlet connects the nitrogen
The bottom of gas passage 6, the other end connect the outside of the upright shell 1, several described heat exchangers 2 are in star arrangement, this reality
Heat exchanger 2 described in example is applied as 6, it is fixed on the bottom of the upright shell 1 vertically respectively, and star arrangement is evaporation side
Liquid oxygen passage bilateral disengaging material provides condition.
The nitrogen inlet manifold 4 is arranged on star centre, and the channel of nitrogen 6 is single layer sealing structure, due to described
Channel of nitrogen 6 and inlet/outlet pipe eliminate equipment and outer spout are connected with complicated external pipe, drop all inside upright shell
Low string leakage and risk of leakage.The liquid oxygen passage 7 is sandwich construction, liquid oxygen passage described in the present embodiment 7 from top to bottom according to
Secondary to be equipped with four layers, the two bottom sides of every layer of liquid oxygen passage are equipped with liquid oxygen import 10, and top both sides are equipped with oxygen outlet 11, in each institute
State and be respectively arranged with the liquid bucket 12 for being connected to each 2 both sides of the heat exchanger between heat exchanger 2, liquid bucket described in the present embodiment 12 is
V-arrangement, the liquid bucket 12 is sufficiently used the gap between heat exchanger, while also leaves enough gas passages；The liquid
Bucket 12 is sandwich construction and is provided with overflow downspout 13 between layers, the superiors of the liquid bucket 12 connect the liquid oxygen into
Mouth branch pipe 8, so that the liquid oxygen in the superiors' liquid bucket sequentially enters subnatant bucket by the overflow downspout 13, except the liquid
The orlop of oxygen passage 7 is not provided with outside the liquid bucket 12, every layer of the liquid bucket 12 and every Rotating fields one of the liquid oxygen passage 7
One corresponds to, and the liquid bucket 12 connects the liquid oxygen import 10, and the liquid bucket 12 is equipped with notch 14 between layers, in the present embodiment
The notch 14 is V-arrangement, and the notch 14 connects the oxygen outlet 11.Liquid oxygen is as described in entering the liquid oxygen entrance branch 8
Liquid bucket 12, enters the liquid oxygen passage 7, the oxygen after evaporation is discharged into institute through the oxygen outlet 11 through the liquid oxygen import 10
State in upright shell 1, then rise back to Shang Ta.Orlop liquid oxygen passage is not provided with liquid bucket, is because in orlop liquid bucket
Liquid oxygen is stored in the bottom of upright shell after overflowing, enter liquid oxygen passage by undermost liquid oxygen import.
Every layer of upper and lower ends of the liquid oxygen passage 7 are equipped with V-arrangement flow deflector 15, and liquid oxygen after the liquid oxygen import 10 by passing through
The V-type flow deflector 15 of lower end enters the liquid oxygen passage 7, is passed through after the V-arrangement flow deflector 15 that oxygen passes through upper end described
Oxygen outlet 11 is discharged to the housing 1, since V-arrangement flow deflector is opposite compared to traditional flow deflector, the height of liquid oxygen passage
Increase, can further increase the area of evaporation side fin, so as to increase evaporation side heat exchange area.
As shown in Figure 1,2,3, 4, the operation principle of the utility model is as follows：
Nitrogen condenses performance loop：Nitrogen comes from lower tower, and since the operating pressure of nitrogen is high, condensation saturation point is high, liquid oxygen
Operating pressure is low, and evaporation saturation point is low, obtains so that nitrogen condenses, liquid oxygen evaporates.Nitrogen enters from nitrogen inlet manifold 4, shunting
To each nitrogen inlet branch pipe 9, the channel of nitrogen 10 into heat exchanger is condensed into liquid nitrogen, is collected by each liquid nitrogen outlet 5 laggard
Enter lower tower.
Liquid oxygen evaporates performance loop：Liquid oxygen comes from upper tower, and the liquid oxygen of upper tower bottom collects that to enter liquid oxygen import after filtering total
Pipe 3 branches to liquid oxygen entrance branch 8, and into first layer liquid bucket, the liquid oxygen in the liquid bucket of both sides enters liquid through both sides liquid oxygen import 10
Oxygen passage 7, oxygen are collected in upright shell 1 after being discharged by the oxygen outlet 11 of both sides, because in the connection of the upright shell 1
Tower, so the oxygen after collecting rises back to Shang Ta.When the liquid oxygen liquid level in liquid bucket 12 is high higher than the mouth of pipe of overflow downspout 13
After degree, liquid oxygen is by 13 overflow of overflow downspout to second layer liquid bucket, the liquid oxygen overflow of second layer liquid bucket to third layer liquid bucket, by
In being not provided with orlop liquid bucket, so the liquid oxygen overflow of third layer liquid bucket is vertical to the bottom of upright shell 1 in the present embodiment
The liquid oxygen of 1 bottom of housing by undermost both sides liquid oxygen import 12 enter orlop liquid oxygen passage, oxygen by both sides oxygen
Collect after the release of outlet 11 in upright shell 1 and rise back to Shang Ta.
Claims (6)
1. a kind of star multilayer condenser/evaporator, including upright shell（1）, in the upright shell（1）Internal heat exchanger
（2）, liquid oxygen intake header（3）, nitrogen inlet manifold（4）And liquid nitrogen outlet（5）, the upright shell（1）For sealing structure,
The heat exchanger（2）Channel of nitrogen including condensation side（6）And the liquid oxygen passage of evaporation side（7）, the liquid oxygen intake header（3）
Pass through liquid oxygen entrance branch（8）Connect the upright shell（1）, the nitrogen inlet manifold（4）One end pass through nitrogen inlet
Branch pipe（9）Connect the channel of nitrogen（6）Top, the other end connects the upright shell（1）Outside, liquid nitrogen outlet
Pipe（5）One end connects the channel of nitrogen（6）Bottom, the other end connects the upright shell（1）Outside, its feature exists
In：Several described heat exchangers（2）In star arrangement, the upright shell is fixed on vertically respectively（1）Bottom, the nitrogen
Intake header（4）It is arranged on star centre, the channel of nitrogen（6）For single layer sealing structure, the liquid oxygen passage（7）For multilayer
Structure, the two bottom sides of every layer of liquid oxygen passage are equipped with liquid oxygen import（10）, top both sides are equipped with oxygen outlet（11）, each described
Heat exchanger（2）Between be respectively arranged with and be connected to each heat exchanger（2）The liquid bucket of both sides（12）, the liquid bucket（12）For multilayer
Structure and overflow downspout is provided between layers（13）, the liquid bucket（12）The superiors connect the liquid oxygen entrance branch
（8）, except the liquid oxygen passage（7）Orlop be not provided with the liquid bucket（12）Outside, the liquid bucket（12）Every layer and it is described
Liquid oxygen passage（7）Every Rotating fields correspond, the liquid bucket（12）Connect the liquid oxygen import（10）, the liquid bucket（12）Layer
Notch is equipped between layer（14）, the notch（14）Connect the oxygen outlet（11）.
A kind of 2. star multilayer condenser/evaporator according to claim 1, it is characterised in that：The liquid oxygen passage（7）It is every
Layer upper and lower ends are equipped with V-arrangement flow deflector（15）, liquid oxygen passes through the liquid oxygen import（10）By the V-arrangement flow deflector of lower end
（15）Into the liquid oxygen passage（7）, the V-arrangement flow deflector that oxygen passes through upper end（15）By the oxygen outlet（11）Release
Put to the housing（1）It is interior.
3. according to a kind of star multilayer condenser/evaporator described in claim 1, it is characterised in that：The liquid oxygen passage（7）On toward
Under successively be equipped with four layers.
4. according to a kind of star multilayer condenser/evaporator described in claim 1, it is characterised in that：The notch（14）For v-shaped structure.
5. according to a kind of star multilayer condenser/evaporator described in claim 1, it is characterised in that：The liquid bucket（12）For v-shaped structure.
6. according to a kind of star multilayer condenser/evaporator described in claim 1, it is characterised in that：The heat exchanger（2）For 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721308356.7U CN207351252U (en) | 2017-10-12 | 2017-10-12 | Star multilayer condenser/evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721308356.7U CN207351252U (en) | 2017-10-12 | 2017-10-12 | Star multilayer condenser/evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207351252U true CN207351252U (en) | 2018-05-11 |
Family
ID=62358622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721308356.7U Active CN207351252U (en) | 2017-10-12 | 2017-10-12 | Star multilayer condenser/evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207351252U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109916137A (en) * | 2019-04-09 | 2019-06-21 | 中国海洋石油集团有限公司 | A kind of ice chest shunting means |
| US20220082325A1 (en) * | 2019-01-28 | 2022-03-17 | Taiyo Nippon Sanso Corporation | Multistage liquid storage-type condenser-evaporator and nitrogen production device using the same |
| US12130081B2 (en) * | 2019-01-28 | 2024-10-29 | Taiyo Nippon Sanso Corporation | Multistage liquid storage-type condenser-evaporator and nitrogen production device using the same |
-
2017
- 2017-10-12 CN CN201721308356.7U patent/CN207351252U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220082325A1 (en) * | 2019-01-28 | 2022-03-17 | Taiyo Nippon Sanso Corporation | Multistage liquid storage-type condenser-evaporator and nitrogen production device using the same |
| US12130081B2 (en) * | 2019-01-28 | 2024-10-29 | Taiyo Nippon Sanso Corporation | Multistage liquid storage-type condenser-evaporator and nitrogen production device using the same |
| CN109916137A (en) * | 2019-04-09 | 2019-06-21 | 中国海洋石油集团有限公司 | A kind of ice chest shunting means |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103925749B (en) | A kind of downward film evaporator | |
| CN104566681B (en) | A kind of air-conditioner outdoor unit and its method for reducing filling quantity of refrigerant | |
| CN104390495B (en) | A kind of Overcold condensing heat exchanger and heat-exchange method thereof | |
| CN102000437B (en) | Falling film evaporator with gas-liquid separating and membrane-distributing functions | |
| CN106871674A (en) | A kind of heat exchange of heat pipe of simple production process | |
| CN108721926A (en) | A kind of Falling Film Evaporator of Horizontal Tube | |
| CN207351252U (en) | Star multilayer condenser/evaporator | |
| WO2009009928A1 (en) | Condensing and heat transferring method having automatic liquid dividing function and apparatus thereof | |
| CN106468493A (en) | Solar heat pump roll-bond evaporator and water heater | |
| CN107588667A (en) | Star multilayer condenser/evaporator | |
| CN106895612A (en) | A kind of condenser of built-in oil eliminator | |
| CN104296424B (en) | Heat exchanger | |
| CN100483044C (en) | Air conditioner set with low pressure differential circulating heat pump | |
| CN207785982U (en) | A kind of and direct-connected condenser/evaporator of rectifying column | |
| CN204757468U (en) | Reinforce falling film evaporation absorber of heat exchange tube based on surface package applies woven wire | |
| CN203572143U (en) | Kettle type multilayer condensation evaporator | |
| CN104390496B (en) | Vertical type condensing heat exchanger and heat exchange method thereof | |
| CN206572661U (en) | The device of cold wind is produced in a kind of two-stage standpipe evaporation cooling | |
| CN207214841U (en) | A kind of vertical tube evaporating type condensing heat exchanger of more time waters | |
| CN105080177A (en) | Efficient separation and vacuum condensation system for non-condensable gas | |
| CN205014700U (en) | High -efficient slab formula evaporation -condensation ware | |
| CN209512337U (en) | A kind of New Refrigerating condenser | |
| CN204910850U (en) | High -efficient separation vacuum condensing system of incoagulable gas | |
| CN208998578U (en) | A kind of processing high solidifying point material condenser trap integrated equipment | |
| CN113877224A (en) | Low-temperature high-vacuum concentration system and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |