CN105085900B - A kind of superheated steam recovery and residual heat using device - Google Patents
A kind of superheated steam recovery and residual heat using device Download PDFInfo
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- CN105085900B CN105085900B CN201410198267.6A CN201410198267A CN105085900B CN 105085900 B CN105085900 B CN 105085900B CN 201410198267 A CN201410198267 A CN 201410198267A CN 105085900 B CN105085900 B CN 105085900B
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- superheated steam
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- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
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Abstract
The invention discloses a kind of recovery of superheated steam and residual heat using device, the device to be made up of vapo(u)rous packed tower, superheated steam feed system, cooling water supply system and thickener heating system.The device during nylon66 fiber is produced caused superheated steam reclaim and utilize, substitute the biphenyl mode of heating in thickener heating system during original production；The outlet of superheated steam feed system is connected with vapo(u)rous packed tower superheated steam entrance；Cooling water supply system outlet is connected with vapo(u)rous packed tower cooling water inlet；The saturation water out of vapo(u)rous packed tower is connected with central pond, and the saturated vapor outlet of vapo(u)rous packed tower is connected with thickener heating system entrance；The outlet of thickener heating system is connected through pipeline with central pond.
Description
Technical field
The present invention relates to a kind of recovery of superheated steam and residual heat using device, belong to industrial energy saving technical field, especially belong to
In industrial waste gas recovery and field of waste heat utilization.
Background technology
Polymer reactor in nylon66 fiber production technology can discharge substantial amounts of superheated steam in production, wherein what is contained is low
Polymers, hexamethylene diamine and adipic acid etc. are to the toxic effect of human body；Processing work(of the nylon66 fiber production technology to this kind of steam at this stage
Can be limited, superheated steam is untreated directly to be arranged into air, and this not only causes serious problem of environmental pollution, while is caused huge
Big energy waste；As sustainable development idea influences constantly to expand, low-carbon environment-friendly idea has been rooted in the hearts of the people, environmental pollution
The great attention of national governments and environmental administration is caused with industrial energy saving problem；As the progress of industrial technology, people are urgent
Wish that exploitation new technology solves the high pollution in synthetic fiber industry, high consumption problem, exploitation novel waste heat recovery technology is
As one of important process for being related to national energy security strategy.
Steam phase transforming is a kind of violent heat and mass transfer process, and the research for steam phase transforming is the energy-conservation in chemical industry
One of focus of technology, at present lot of domestic and foreign scholar carried out substantial amounts of experiment and analog study for steam phase transforming process,
Result of study shows, the utilization technology of saturation steam latent heat in heating system, is economic and efficiency high power-saving technology.
With reference to synthetic fiber industry actual conditions, the achievement in research of steam phase transforming is applied to close in nylon66 fiber production technology
Discarded high-temperature steam is reclaimed, and high-temperature steam is carried out to the exploitation of residual-heat utilization technology, not only to synthesizing fiber industry section
Energy emission reduction engineering has great importance, and creates actual economic benefit for enterprise, while realizes the guarantor to environment
Shield.
The content of the invention
In order to realize that steam phase transforming theory is combined with heat recovery technology, the invention provides a kind of superheated steam
Recovery and residual heat using device；Realize the technology that superheated steam reclaims and carries out UTILIZATION OF VESIDUAL HEAT IN；Its major function is：Utilize steaming
Vapour phase transformation theory, caused superheated steam in nylon66 fiber production process is reclaimed, generate saturated vapor and be used, substituted former
Thickener heating system（D）In biphenyl heating system, ensure thickener（4）The temperature of middle nylon 66 salt solution maintains most preferably
Evaporating temperature（More than 116 DEG C）；And waste water is discharged into central pond（5）, it is transported to sewage disposal device.
The technical solution adopted in the present invention realizes the technology of superheated steam recovery and UTILIZATION OF VESIDUAL HEAT IN；By synthetic fibers Buddhist nun
Caused superheated steam recovery, is transformed into saturated vapor and is used in imperial 66 industrial productions；Characterized in that, the device is by dense
Contracting groove heating system（D）, vapo(u)rous packed tower（B）And its matching used superheated steam feed system（C）And cooling water
Feed system（A）Composition.
The superheated steam feed system of the present invention（C）Caused superheated steam in main recovery Nylon 66 Industrial production；This
The cooling water supply system of invention（A）Mainly to vapo(u)rous packed tower（B）Cooling water is supplied, mainly including aqua storage tank（1）With
Plunger metering pump（2）；Vapo(u)rous packed tower（B）Middle superheated steam and cooling water carry out heat transfer reaction inside saturator, raw
Into saturated vapor；In order that superheated steam is fully contacted with cooling water, vapo(u)rous packed tower（B）Internal structure is by gas
Distributor（28）, liquid distribution trough（23）, liquid cloth device again（27）, filler（22）, demister（25）Deng composition；Heat transfer was reacted
Intermediate range, liquid water can be produced；The harmful substance such as some oligomers and hexamethylene diamine, adipic acid is dissolved in liquid water, passes through sewage draining exit
（29）It is discharged into central pond（5）；Cooling water supply system（A）Including aqua storage tank（1）Plunger metering pump（2）；Aqua storage tank（1）In set
Put float trap, plunger metering pump（2）It is provided with surge tank.
Brief description of the drawings
Fig. 1 is the recovery of present apparatus superheated steam and residual heat using device schematic diagram；
Fig. 2 is present apparatus vapo(u)rous packed tower internal structure schematic diagram.
A- cooling water supplies system in figure, B- vapo(u)rous packed towers, C- superheated steam feed systems, the heating of D- thickeners
System, 1- aqua storage tanks, 2- plunger metering pumps, 3- automatic regulating valves, 4- thickeners, 5- centers pond, 21- superheated steam entrances,
22- fillers, 23- liquid distribution troughs, the outlet of 24- saturated vapors, 25- demisters, 26- cooling water inlets, 27- liquid cloth device again,
28- gas distributors, 29- sewage draining exits.
Embodiment
The present apparatus is described further below in conjunction with the accompanying drawings.
The present invention by with thickener heating system（D）, vapo(u)rous packed tower（B）And its matching used superheated steam
Feed system（C）With cooling water supply system（A）Composition, as shown in Figure 1；The present apparatus realizes superheated steam recovery and waste heat profit
With technology, steam phase transforming technology is applied in actual industrial production, caused superheated steam passes through in Nylon 66 Industrial production
The recovery of vapo(u)rous tower, it is transformed into saturated vapor and is used, formation heats thickener with saturated vapor（4）Heating system
System, substitutes former thickener heating system（D）In biphenyl heating system, ensure thickener（4）The temperature of middle nylon 66 salt solution
Maintain optimal evaporation temperature（More than 116 DEG C）.
The superheated steam feed system of the present invention（C）With cooling water supply system（A）It is two separate systems, such as
Shown in Fig. 1；Superheated steam feed system（C）Caused superheated steam recovery during Nylon 66 Industrial is produced, by vapo(u)rous
Packed tower superheated steam entrance（21）It is transported to vapo(u)rous packed tower（B）, at the same time, cooling water supply system（A）Utilize
Plunger metering pump（2）By softened water through vapo(u)rous tower cooler water inlet（26）It is transported to vapo(u)rous packed tower（B）.
Vapo(u)rous packed tower（B）It is the core of the present invention, as shown in Figure 2；Superheated steam is from vapo(u)rous filler
Tower superheated steam entrance（21）Into vapo(u)rous packed tower（B）；Cooling water passes through cooling water supply system（A）, through saturator
Cooling water inlet（26）Into vapo(u)rous packed tower（B）；The filler of superheated steam and cooling water inside saturator（22）Area
Heat transfer reaction is carried out in domain, generates saturated vapor；Saturated vapor exports from the saturated vapor at vapo(u)rous tower top end（24）Conveying
To thickener heating system（D）To thickener（4）Heated；Intermediate range was reacted in heat transfer, can produce liquid water, some oligomers
Liquid water is dissolved in harmful substances such as hexamethylene diamine, adipic acids, is collected at vapo(u)rous packed tower（B）Bottom, pass through sewage draining exit
（29）It is transported to central pond（5）.
Cooling water supply system（A）Automatically adjust output, it is necessary to assure the cooling water inflow of supply is certain, and can not have
Too big fluctuation；Cooling water supply system（A）Include aqua storage tank（1）Plunger metering pump（2）；Aqua storage tank（1）Middle set is floated
Valve, ensure that chilled(cooling) water supply (CWS) flow is constant and realizes automatic regulation function, plunger metering pump（2）Surge tank is provided with, is ensured
The supply flow rate of cooling water is without fluctuation.
Heating is thickener system（D）Function be ensure thickener（4）The temperature of middle nylon 66 salt solution maintains most preferably
Evaporating temperature（More than 116 DEG C）；The thickener heating system of the present invention（D）Directly apply the pipeline of former biphenyl heating system.
Steam Recovery and residual heat using device operational factor, as shown in table 1；Vapo(u)rous packed tower（B）Superheated steam
Import（21）Superheated steam it is stable in the range of 0.731MPa, 270.7 DEG C -0.9MPa, 274.2 DEG C；Vapo(u)rous packed tower
（B）The saturated vapor outlet at top（24）Steam stable in the range of 0.737MPa, 172.6 DEG C -0.9MPa, 180.2 DEG C；
The stability of flow of shower water is controlled in 62.5 kg/h；Thickener（4）Evaporating temperature it is stable more than 117 DEG C；By steam (vapor) outlet
（21）Steam data compareed with saturated vapor pressure table, as a result show, steam (vapor) outlet（24）Steam be saturated vapor.
In the work for the energy-saving and emission-reduction that steam phase transforming theory is applied in nylon66 fiber production technology by the present invention, developed
Vapours reclaims and residual heat using device；Operational factor illustrates that the present apparatus effectively can give birth to nylon66 fiber in the process of running
The superheated steam recovery generated during production, generates saturated vapor, and to thickener（4）Heating effect it is notable；Actual fortune
Row result shows that superheated steam of the invention recovery ability, cost of investment, operation conditions, operability, pollutant catabolic gene etc. are square
Face is had outstanding performance, and is had broad application prospects in synthetic fiber industry in terms of superheated steam recovery and UTILIZATION OF VESIDUAL HEAT IN.
The Steam Recovery of table 1 and residual heat using device operational factor
| Superheated steam pressure/MPa | Superheat steam temperature/DEG C | Saturator outlet pressure/MPa | Saturator outlet temperature/DEG C | Feeding spraying pump flow/kg/h | Evaporator temperature/DEG C |
| 0.851 | 271.9 | 0.853 | 178.9 | 62.5 | 117.3 |
| 0.859 | 273.1 | 0.862 | 179.5 | 62.5 | 117.4 |
| 0.872 | 272.7 | 0.875 | 179.8 | 62.5 | 117.5 |
| 0.900 | 274.2 | 0.903 | 180.3 | 62.5 | 117.4 |
| 0.895 | 273.2 | 0.897 | 181.9 | 62.5 | 117.3 |
| 0.896 | 273.8 | 0.898 | 181.8 | 62.5 | 117.2 |
| 0.894 | 274.2 | 0.896 | 180 | 62.5 | 117.3 |
| 0.900 | 274.1 | 0.900 | 180.2 | 62.5 | 117.1 |
| 0.773 | 273.5 | 0.778 | 174.6 | 62.5 | 117.4 |
| 0.731 | 270.7 | 0.737 | 172.6 | 62.5 | 117.3 |
Claims (5)
1. a kind of superheated steam recovery and residual heat using device, it is characterised in that the device is by vapo(u)rous packed tower（B）, mistake
Vapours feed system（C）, cooling water supply system（A）With thickener heating system（D）Composition；The major function of the device
It is：Caused superheated steam in synthetic fibers nylon66 fiber industrial production is reclaimed and utilized, substitutes original thickener heating system
（D）In biphenyl mode of heating, and by thickener（4）The temperature of middle nylon66 fiber salting liquid maintains the optimal of salting liquid reclaimed water
Evaporating temperature；Superheated steam feed system is by pipeline and autocontrol valve（3）Composition, automatically control the supply of valve regulation superheated steam
Amount, the outlet of superheated steam feed system are connected with vapo(u)rous packed tower superheated steam entrance；Cooling water supply system outlet
It is connected with vapo(u)rous packed tower cooling water inlet；The saturation water out of vapo(u)rous packed tower is connected with central pond,
The saturated vapor outlet of vapo(u)rous packed tower is connected with thickener heating system entrance；Thickener heating system is exported through pipe
Road is connected with central pond.
2. a kind of superheated steam recovery according to claim 1 and residual heat using device, it is characterised in that vapo(u)rous is filled out
Expect tower（B）Major function be that superheated steam reacts with cooling water, generate saturated vapor；Vapo(u)rous packed tower（B）It is interior
There is filler in portion（22）, liquid distribution trough（23）, demister（25）, liquid cloth device again（27）, gas distributor（28）, sewage draining exit
（29）；Vapo(u)rous packed tower（B）Outside have superheated steam entrance（21）, saturated vapor outlet（24）, cooling water inlet
（26）, sewage draining exit（29）.
3. a kind of superheated steam recovery according to claim 1 and residual heat using device, it is characterised in that superheated steam supplies
To system（C）Major function is conveyed for collecting caused superheated steam in nylon66 fiber production, and by the superheated steam of collection
To vapo(u)rous packed tower（B）；Superheated steam feed system（C）By pipeline and autocontrol valve（3）Composition, autocontrol valve are adjusted
Save superheated steam quantity delivered.
4. a kind of superheated steam recovery according to claim 1 and residual heat using device, it is characterised in that cooling water supply
System（A）The normal temperature softened water that will be externally supplied, is stably supplied to vapo(u)rous packed tower（B）；Cooling water supply system（A）
By aqua storage tank（1）, plunger metering pump（2）, pipeline and valve composition.
5. a kind of superheated steam recovery according to claim 1 and residual heat using device, it is characterised in that thickener heats
System（D）It is transformed into present steam mode of heating by original biphenyl mode of heating；The temperature of nylon66 fiber salting liquid is maintained
In the optimal evaporation temperature of salting liquid reclaimed water, the waste water after heating is discharged into central pond（5）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410198267.6A CN105085900B (en) | 2014-05-13 | 2014-05-13 | A kind of superheated steam recovery and residual heat using device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410198267.6A CN105085900B (en) | 2014-05-13 | 2014-05-13 | A kind of superheated steam recovery and residual heat using device |
Publications (2)
| Publication Number | Publication Date |
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| CN105085900A CN105085900A (en) | 2015-11-25 |
| CN105085900B true CN105085900B (en) | 2017-11-21 |
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| CN201410198267.6A Expired - Fee Related CN105085900B (en) | 2014-05-13 | 2014-05-13 | A kind of superheated steam recovery and residual heat using device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107062198A (en) * | 2017-03-07 | 2017-08-18 | 新疆天智辰业化工有限公司 | A kind of resistance vapour expander of steam humidifying saturation |
| CN114147030A (en) * | 2021-11-23 | 2022-03-08 | 神马实业股份有限公司 | Direct exhaust tail gas recycling system for nylon 66 continuous polycondensation device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4813237A (en) * | 1988-08-19 | 1989-03-21 | Energiagazdalkodasi Intezet | Apparatus for making up feed water for a power station |
| CN101644426A (en) * | 2009-08-30 | 2010-02-10 | 丰原宿州生物化工有限公司 | Afterheat utilization method of reaction effluent in ethane production |
| CN202730036U (en) * | 2012-05-04 | 2013-02-13 | 安徽晋煤中能化工股份有限公司 | Heat recovery system |
-
2014
- 2014-05-13 CN CN201410198267.6A patent/CN105085900B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4813237A (en) * | 1988-08-19 | 1989-03-21 | Energiagazdalkodasi Intezet | Apparatus for making up feed water for a power station |
| CN101644426A (en) * | 2009-08-30 | 2010-02-10 | 丰原宿州生物化工有限公司 | Afterheat utilization method of reaction effluent in ethane production |
| CN202730036U (en) * | 2012-05-04 | 2013-02-13 | 安徽晋煤中能化工股份有限公司 | Heat recovery system |
Non-Patent Citations (1)
| Title |
|---|
| 尼龙66连续聚合生产中的蒸汽回收利用;许平等;《合成纤维工业》;20080430;第31卷(第2期);52-53 * |
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