CN206514618U - A kind of vapour-recovery unit for air separation plant - Google Patents
A kind of vapour-recovery unit for air separation plant Download PDFInfo
- Publication number
- CN206514618U CN206514618U CN201720175814.8U CN201720175814U CN206514618U CN 206514618 U CN206514618 U CN 206514618U CN 201720175814 U CN201720175814 U CN 201720175814U CN 206514618 U CN206514618 U CN 206514618U
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- China
- Prior art keywords
- steam
- vapour
- steam recovery
- recovery
- recovery case
- Prior art date
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Links
- 238000011084 recovery Methods 0.000 title claims abstract description 82
- 238000000926 separation method Methods 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 238000010438 heat treatment Methods 0.000 claims abstract description 31
- 239000007788 liquid Substances 0.000 claims abstract description 27
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000007791 liquid phase Substances 0.000 claims abstract description 19
- 239000012071 phase Substances 0.000 claims abstract description 17
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 12
- 239000012530 fluid Substances 0.000 claims abstract description 9
- 238000001802 infusion Methods 0.000 claims abstract description 9
- 238000009833 condensation Methods 0.000 claims abstract description 5
- 230000005494 condensation Effects 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 3
- 239000008234 soft water Substances 0.000 description 11
- 238000004140 cleaning Methods 0.000 description 4
- 230000003020 moisturizing effect Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 239000002808 molecular sieve Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000004781 supercooling Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model discloses a kind of vapour-recovery unit for air separation plant, including steam heater, vapour liquid separator and Steam Recovery case, steam heater device includes liquid phase heating tank, dirty nitrogen heater box and the vapour phase condenser pipe group inside dirty nitrogen heater box, condensation bottom of the tube in vapour phase condenser pipe group connects the air inlet of vapour liquid separator by vapour-liquid recovery tube, steam (vapor) outlet and condensate outlet are provided with vapour liquid separator, steam (vapor) outlet connects the inside of Steam Recovery case by steam recovery pipe, water circulating pump is provided between Steam Recovery case and water circulating pump, fluid infusion and relief valve are provided with Steam Recovery case, fluid infusion connects the delivery port of small pump by additional soft wa ter pipe.This kind is used for the vapour-recovery unit of air separation plant, saves water source, reduction heating energy consumption, therefore, it is possible to substantially reduce production cost.
Description
Technical field
The utility model is related to a kind of vapour-recovery unit, specially a kind of vapour-recovery unit for air separation plant,
Belong to air separation plant heat recovery field.
Background technology
In the industrial production, many enterprises carry out oxygen processed, nitrogen processed using air separation equipment.Needed during regenerating molecular sieve
Use steam heater to dirty nitrogen carry out be heated to regeneration temperature be then sent in absorber to molecular sieve carry out regeneration follow
Ring, the high-temperature steam liquefaction Entry Firm separator in this production process in steam heater vapor condensation pipe, existing enterprise
Industry is using directly discharge or Steam Recovery are to low-pressure steam pipe network, and organic efficiency is too low, causes a large amount of water sources and energy consumption
Waste, the cleaning of Air Compressor Impeller needs to use water, the waste of increase water resource is directly cleaned with water, water is during circulation
With loss, hardness and acidity can concentrate rise, produce certain corrosion to the wall thickness of equipment, the event of interior leakage can occur when serious
Barrier, it is necessary to carry out soft water supplement, enterprise's typically directly purchase soft water is supplemented, therefore the expense of purchase soft water and later stage add
The energy consumption of heat, causes cost to greatly increase.
To solve the above problems, therefore it is proposed that a kind of vapour-recovery unit for air separation plant.
Utility model content
The technical problems to be solved in the utility model is that the defect for overcoming prior art is used for air separation plant there is provided a kind of
Vapour-recovery unit, in order to solve the above-mentioned technical problem, the utility model provide following technical scheme：
A kind of vapour-recovery unit for air separation plant of the utility model, including steam heater, vapour liquid separator
With Steam Recovery case, the steam heater device includes liquid phase heating tank, dirty nitrogen heater box and installed in dirty nitrogen heater box
Internal vapour phase condenser pipe group, the condenser pipe that the vapour phase condenser pipe group is arranged on tube sheet by continuous rotary is constituted, the vapour
Condensation bottom of the tube in phase condenser pipe group is connected by vapour-liquid recovery tube on the air inlet of vapour liquid separator, the vapour liquid separator
Steam (vapor) outlet and condensate outlet are provided with, the steam (vapor) outlet connects the inside of Steam Recovery case, institute by steam recovery pipe
State liquid phase heating tank gas outlet to be connected with the air inlet of vapour phase condenser pipe group by pipeline, the Steam Recovery case and water circulating pump
Between be provided with water circulating pump, be provided with fluid infusion and relief valve on the Steam Recovery case, the fluid infusion passes through additional soft wa ter
Pipe connects the delivery port of small pump.
As a kind of preferred embodiment of the present utility model, the Steam Recovery case inner bottom surface is provided with heating plate,
The heating plate is internally provided with compensation plus thermal resistance wire, the Steam Recovery case internal side wall and is provided with temperature sensor, institute
State temperature sensor and pass through temperature controller control connection compensation plus thermal resistance wire.
As a kind of preferred embodiment of the present utility model, water level controller is provided with the Steam Recovery case, institute
State water level controller and small pump is connected by wire.
As a kind of preferred embodiment of the present utility model, the steam recovery pipe port of export is connected in Steam Recovery case
Portion and position are with Steam Recovery case internal liquid bottom close to the bottom surface of Steam Recovery case, and the water circulating pump entrance point passes through pipeline
Connect inside Steam Recovery case and the mouth of pipe is located at below liquid level, the port of export connects the water inlet of liquid phase heating tank by pipeline.
As a kind of preferred embodiment of the present utility model, the pipeline of the steam recovery pipe and water circulating pump connection
Outside is enclosed with heat-insulation layer.
The beneficial effect that the utility model is reached is：Low temperature and low pressure steam is reclaimed by Steam Recovery case, heat is used
To heat the soft water to liquid phase heating tank moisturizing, reduction heating energy consumption, and liquid phase heating tank internal stability output can be kept
Steam, will not cause temperature difference pressure excessive, and steam belongs to soft water recycling into Steam Recovery case, and saves heating energy
Consumption, therefore, it is possible to substantially reduce production cost；Condensed water is used for cleaning Air Compressor Impeller, recycles just, saves water resource.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and constitutes a part for specification, with this practicality
New embodiment is used to explain the utility model together, does not constitute to limitation of the present utility model.In the accompanying drawings：
Fig. 1 is a kind of general assembly structural representation of vapour-recovery unit for air separation plant of the utility model.
In figure：1- liquid phase heating tanks；2- vapour phase condenser pipe groups；3- dirt nitrogen heater boxes；4- water circulating pumps；5- fluid infusions；6-
Relief valve；7- water level controllers；8- Steam Recovery casees；9- temperature sensors；10- heating plates；11- compensation plus thermal resistance wire；12- vapour
Liquid recovery tube；13- steam (vapor) outlets；14- vapour liquid separators；15- condensate outlets；16- steam recovery pipes；17- additional soft wa ter pipes；
18- small pumps.
Embodiment
Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent
Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.
Embodiment 1
As shown in figure 1, a kind of vapour-recovery unit for air separation plant, including steam heater, vapour liquid separator
14 and Steam Recovery case 8, the steam heater device includes liquid phase heating tank 1, dirty nitrogen heater box 3 and added installed in dirty nitrogen
Vapour phase condenser pipe group 2 inside hot tank 3, the condenser pipe that the vapour phase condenser pipe group 2 is arranged on tube sheet by continuous rotary is constituted,
Condensation bottom of the tube in the vapour phase condenser pipe group 2 connects the air inlet of vapour liquid separator 14 by vapour-liquid recovery tube 12, described
Steam (vapor) outlet 13 and condensate outlet 15 are provided with vapour liquid separator 14, the steam (vapor) outlet 13 is connected by steam recovery pipe 16
The inside of logical Steam Recovery case 8, the gas outlet of liquid phase heating tank 1 is connected by pipeline with the air inlet of vapour phase condenser pipe group 2,
It is provided between the Steam Recovery case 8 and water circulating pump 4 on water circulating pump 4, the Steam Recovery case 8 and is provided with the He of fluid infusion 5
Relief valve 6, the fluid infusion 5 connects the delivery port of small pump 18 by additional soft wa ter pipe 17.
The inner bottom surface of Steam Recovery case 8 is provided with heating plate 10, and the heating plate 10 is internally provided with compensation plus thermal resistance wire
11, temperature sensor 9 is provided with the internal side wall of Steam Recovery case 8, and the temperature sensor 9 passes through temperature controller control
System connection compensation plus thermal resistance wire 11, when soft water can not be heated to corresponding temperature by heat energy contained by steam, compensation plus thermal resistance wire 11
Electrified regulation, prevents water circulating pump 4 from the water of supercooling is inputted into liquid phase heating tank 1 and causes steam output unstable, the steam time
Receive and water level controller 7 is provided with case 8, the water level controller 7 connects small pump 18 by wire, realizes Steam Recovery case 8
Automatic water supplement, and structure is actually simple, easy care maintenance, in the port of export of the steam recovery pipe 16 connection Steam Recovery case 8
Portion and position are with the internal liquid bottom of Steam Recovery case 8 close to the bottom surface of Steam Recovery case 8, and the entrance point of water circulating pump 4 passes through
The inside of the pipeline connection Steam Recovery case 8 and mouth of pipe is located at below liquid level, the port of export passes through the water inlet that pipeline connects liquid phase heating tank 1
Mouthful, heat-insulation layer is enclosed with the outside of the pipeline that the steam recovery pipe 16 and water circulating pump 4 are connected, heat is reduced as far as possible
Loss.
Principle and advantage of the present utility model：This kind is used for the vapour-recovery unit of air separation plant, and liquid phase heating tank 1 is exported
High temperature and high pressure steam enter in vapour phase condenser pipe group 2, carried out with the dirty nitrogen of low temperature after heat exchange, form condensed water and low temperature is low
Steam is pressed, is entered by vapour-liquid recovery tube 12 in vapour liquid separator 14, condensed water is exported from condensate liquid 15 and excluded, for cleaning sky
Press impeller, steam enters steam recovery pipe 16 by steam (vapor) outlet 13, then passes in the soft water inside Steam Recovery case 8,
Soft water preheating is given, the recovery of steam is realized, when temperature sensor 9 monitors that soft water can not be heated to phase by heat energy contained by steam
During the temperature answered, temperature controller control compensation plus the energization of thermal resistance wire 11 are heated, and prevent water circulating pump 4 that the water of supercooling is defeated
Entering liquid phase heating tank 1 causes steam output unstable, the inside water of the monitoring Steam Recovery of water level controller 7 case 8, is controlled when not enough
Small pump 18 carries out moisturizing, and the temples of Steam Recovery case 8 has been reached that the water of preheating temperature is delivered to liquid phase and heated by water circulating pump 4
Tank 1 is endlessly exported high temperature and high pressure steam, and whole process is reclaimed low temperature and low pressure steam by Steam Recovery case 8,
Heat is used for heating the soft water to the moisturizing of liquid phase heating tank 1, reduction heating energy consumption, and can keep inside liquid phase heating tank 1
Stable output steam, will not cause temperature difference pressure excessive, steam belongs to soft water recycling into Steam Recovery case 8, and
Heating energy consumption is saved, therefore, it is possible to substantially reduce production cost；Condensed water is used for cleaning Air Compressor Impeller, recycles just, section
Water resource is saved, and this kind of vapour-recovery unit is simple in construction, with maintenance and repair.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, this is not limited to
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Carry out equivalent substitution.It is all it is of the present utility model spirit and principle within, any modification, equivalent substitution and improvements made etc.,
It should be included within protection domain of the present utility model.
Claims (5)
1. a kind of vapour-recovery unit for air separation plant, including steam heater, vapour liquid separator (14) and steam are returned
Receive case (8), it is characterised in that：The steam heater device includes liquid phase heating tank (1), dirty nitrogen heater box (3) and installed
In the internal vapour phase condenser pipe group (2) of dirty nitrogen heater box (3), the vapour phase condenser pipe group (2) is arranged on tube sheet by continuous rotary
On condenser pipe composition, the condensation bottom of the tube on the vapour phase condenser pipe group (2) passes through vapour-liquid recovery tube (12) and connects vapour-liquid point
From the air inlet of device (14), steam (vapor) outlet (13) and condensate outlet (15) are provided with the vapour liquid separator (14), it is described
Steam (vapor) outlet (13) connects the inside of Steam Recovery case (8), liquid phase heating tank (1) gas outlet by steam recovery pipe (16)
It is connected, is provided between the Steam Recovery case (8) and water circulating pump (4) with the air inlet of vapour phase condenser pipe group (2) by pipeline
Fluid infusion (5) and relief valve (6) are provided with water circulating pump (4), the Steam Recovery case (8), the fluid infusion (5) is by soft
The delivery port of water filling pipe (17) connection small pump (18).
2. it is used for the vapour-recovery unit of air separation plant as claimed in claim 1, it is characterised in that the Steam Recovery case
(8) inner bottom surface is provided with heating plate (10), and the heating plate (10) is internally provided with compensation plus thermal resistance wire (11), the steam
Temperature sensor (9) is provided with collection box (8) internal side wall, the temperature sensor (9) controls to connect by temperature controller
Connect compensation plus thermal resistance wire (11).
3. it is used for the vapour-recovery unit of air separation plant as claimed in claim 2, it is characterised in that the Steam Recovery case
(8) water level controller (7) is provided with, the water level controller (7) connects small pump (18) by wire.
4. it is used for the vapour-recovery unit of air separation plant as claimed in claim 1, it is characterised in that the steam recovery pipe
(16) port of export connection Steam Recovery case (8) is internal and position and Steam Recovery case (8) internal liquid bottom are close to Steam Recovery case
(8) bottom surface, water circulating pump (4) entrance point is located under liquid level by pipeline connection Steam Recovery case (8) inside and the mouth of pipe
Side, the port of export connects the water inlet of liquid phase heating tank (1) by pipeline.
5. it is used for the vapour-recovery unit of air separation plant as claimed in claim 4, it is characterised in that the steam recovery pipe
(16) and on the outside of the pipeline of water circulating pump (4) connection it is enclosed with heat-insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720175814.8U CN206514618U (en) | 2017-02-24 | 2017-02-24 | A kind of vapour-recovery unit for air separation plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720175814.8U CN206514618U (en) | 2017-02-24 | 2017-02-24 | A kind of vapour-recovery unit for air separation plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206514618U true CN206514618U (en) | 2017-09-22 |
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ID=59868968
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720175814.8U Expired - Fee Related CN206514618U (en) | 2017-02-24 | 2017-02-24 | A kind of vapour-recovery unit for air separation plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206514618U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107859657A (en) * | 2017-12-04 | 2018-03-30 | 北京京诚泽宇能源环保工程技术有限公司 | Air compressor impeller washing water collecting device of air separation device |
-
2017
- 2017-02-24 CN CN201720175814.8U patent/CN206514618U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107859657A (en) * | 2017-12-04 | 2018-03-30 | 北京京诚泽宇能源环保工程技术有限公司 | Air compressor impeller washing water collecting device of air separation device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170922 Termination date: 20180224 |
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| CF01 | Termination of patent right due to non-payment of annual fee |