CN106152094A - A kind of aliphatic acid production technology waste heat recycling system - Google Patents
A kind of aliphatic acid production technology waste heat recycling system Download PDFInfo
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- CN106152094A CN106152094A CN201510116274.1A CN201510116274A CN106152094A CN 106152094 A CN106152094 A CN 106152094A CN 201510116274 A CN201510116274 A CN 201510116274A CN 106152094 A CN106152094 A CN 106152094A
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Abstract
The invention provides a kind of aliphatic acid production technology waste heat recycling system, including flash tank, steam jet heat pump, high-temperature condensation water pump and connect the pipeline of each equipment, pipe fitting, valve.High-temperature steam condensed water in flash tank through double flash evaporation, produce low-pressure secondary steam flash vapour, with high steam for driving steam, steam jet heat pump is utilized to reach to go to workshop to use after technique uses pressure by the boosting of low-pressure secondary steam flash vapour one step or the boosting of two steps.Use present configuration succinct, reliable and stable, energy-efficient, both achieved high-temperature steam condensed water flash vapour and utilized step by step, and improved environment, reduce again production cost, improve and increase economic efficiency.
Description
Technical field
The present invention relates to aliphatic acid energy-saving production technology environment friendly system technical field, particularly relate to a kind of aliphatic acid production technology waste heat
Recycling system.
Background technology
Aliphatic acid, the compounds being made up of tri-kinds of elements of C, H, O, its main source has animal oil, vegetable oil, liquid
Rosin and paraffin oxidation synthesis etc..
At present, China's grease production fatty acid process mainly has: alkali degree of depth saponification acidization, normal pressure catalyzed hydrolytic methods, add
Pressure (mesohigh) non-catalysis hydrolyzation method etc..These techniques can produce substantial amounts of steam condensate (SC), condensed water in aliphatic acid production process
Directly discharging after steam trap, the indirect steam also unrecovered utilization producing in discharge process, this not only causes the substantial amounts of energy
Waste, brings serious noise pollution and thermal pollution also to plant area and surrounding enviroment.
Content of the invention
In order to solve above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of aliphatic acid production technology waste heat recovery profit
By system, directly discharge the technology such as the energy waste causing and environmental pollution to improve existing aliphatic acid production technology steam condensate (SC)
Problem.
The purpose of the present invention is implemented by the technical scheme of following employing:
A kind of aliphatic acid production technology waste heat recycling system of the present invention, including flash tank, steam jet heat pump, high temperature are cold
Condensate pump.Described flash tank includes primary flash tank and two-stage flash tank；Described steam jet heat pump includes primary flash
Tank steam jet heat pump, two-stage flash tank one-level steam jet heat pump and two-stage flash tank two-stage ejector-type heat pump；
Described flash tank is provided with steam condensate (SC) import, steam condensate (SC) outlet, flash steam outlet after flash distillation, and primary flash tank steams
Vapour condensed water import connects aliphatic acid process units high-temperature steam condensed water discharge outlet, and the outlet of primary flash tank flash steam is by unidirectional
Valve is connected with primary flash tank steam jet heat pump low-pressure steam mouth, primary flash tank steam jet heat pump mixed vapour
Outlet is connected with gas utilization unit by steam pipe system one, and after primary flash tank flash distillation, steam condensate (SC) outlet is cold with two-stage flash tank
Solidifying water inlet is connected, and the outlet of two-stage flash tank flash steam is by check valve and two-stage flash tank one-level steam jet heat pump low pressure
Steam port is connected, and two-stage flash tank one-level steam jet heat pump mixed vapour outlet point two-way, a road is used with two-stage flash tank
Second steam jet type heat pump low-pressure steam mouth is connected, and another road is directly connected with gas utilization unit by steam pipe system two, two grades of sudden strains of a muscle
The outlet of steaming pot second steam jet type heat pump mixed vapour is incorporated to steam pipe system one and is connected with gas utilization unit, two-stage flash tank flash distillation
Rear steam condensate (SC) outlet is connected with high-temperature condensation water pump inlet, and high-temperature condensation water pump discharge is connected with drainpipe；Described three
Platform steam jet heat pump high-pressure admission mouth is connected with high steam steam supply pipe steam distributing pipe respectively.
Further, described flash tank is equipped with temperature display meter, pressure display instrument table, safety valve, liquid level gauge, liquid
Position transmitter.
Further, described steam jet heat pump is adjustable jet type heat pump, and its mixed steam outlet conduit is equipped with pressure
Sensor, governor motion use self-supporting regulation pneumatic regulation motorized adjustment.
Further, described fluid level transmitter, pressure sensor electrically connect PLC control system or DCS tele-control system, PLC
Control system or DCS tele-control system control steam jet heat pump shower nozzle aperture, and then control according to the signal of pressure sensor
Steam jet heat pump mixed steam outlet pressure；Signal control high-temperature condensation water rotating speed according to fluid level transmitter, and then control sudden strain of a muscle
In steaming pot, liquid level keeps in place, it is ensured that flash distillation space.
Further, pipeline is used to connect between each equipment such as described flash tank, steam jet heat pump, high-temperature condensation water pump,
It is equipped with valve on pipeline.
Further, steam condensate (SC) outlet and two-stage flash tank condensed water import phase connecting leg after described primary flash tank flash distillation
A road high-temperature condensation water pump in parallel.
Further, described high-temperature condensation water pump is adjustable high temperature condensate water pump.
Use a kind of aliphatic acid production technology waste heat recycling system of the present invention, simple for structure, reliable and stable, energy-efficient,
Both achieved steam condensate (SC) flash steam to utilize step by step, improved environment, and reduced again production cost, improve enterprise competitiveness.
Brief description
Fig. 1 is the structural representation of the present invention a kind of aliphatic acid production technology waste heat recycling system.
Shown in figure: 1～2, flash tank, 3～5, steam jet heat pump, 6～7, high-temperature condensation water pump.
Detailed description of the invention
Below in conjunction with the accompanying drawings 1 and detailed description of the invention, further clarify the present invention.It should be noted that the system of the present invention
Also it is applicable to the waste heat recovery of other industry, as petrochemical industry, daily-use chemical industry, textile printing and dyeing, food, medicine, building materials etc. are each
Plant industry field.
As it is shown in figure 1, a kind of aliphatic acid production technology waste heat recycling system, including flash tank 1～2, steam jet heat pump
3～5, high-temperature condensation water pump 6～7.
Flash tank 1 steam condensate (SC) import connects aliphatic acid process units high-temperature steam condensed water discharge outlet, and steaming pot 1 flash steam exports
Being connected with steam jet heat pump 3 low-pressure steam mouth by check valve, steam pipe is passed through in the outlet of steam jet heat pump 3 mixed vapour
Net one is connected with gas utilization unit, and after flash tank 1 flash distillation, steam condensate (SC) outlet is connected with flash tank 2 condensed water import, flash tank 2
Flash steam outlet is connected with steam jet heat pump 4 low-pressure steam mouth by check valve, jet type heat pump 4 mixed vapour outlet point two
Road, a road is connected with steam jet heat pump 5 low-pressure steam mouth, and another road is directly connected with gas utilization unit by steam pipe system two,
The outlet of steam jet heat pump 5 mixed vapour is incorporated to steam pipe system one and is connected with gas utilization unit, steam condensate (SC) after flash tank 2 flash distillation
Outlet is connected with high-temperature condensation water pump 7 import, and high-temperature condensation water pump 7 exports and is connected with drainpipe；Three steam jet heat pumps
3～5 high-pressure admission mouths are connected with high steam steam supply pipe steam distributing pipe respectively, flash tank 1～2, steam jet heat pump 3～5, high temperature
Use pipeline to connect between each equipment such as condensate pump 6～7, pipeline is equipped with valve.
It is equipped with temperature display meter, pressure display instrument table, safety valve, liquid level gauge, fluid level transmitter on flash tank 1～2.
Steam jet heat pump 3～5 mixed steam outlet conduit is equipped with pressure sensor, and governor motion can be selected according to actual conditions
Self-supporting regulation, pneumatic regulation, motorized adjustment.
Flash tank 1～2 fluid level transmitter, steam jet heat pump 3～5 pressure sensor electrical connection PLC control system or DCS are remotely controlled
System processed, PLC control system or DCS tele-control system are opened according to the signal control steam jet heat pump shower nozzle of pressure sensor
Degree, and then control steam jet heat pump mixed steam outlet pressure；Signal control high-temperature condensation water rotating speed according to fluid level transmitter,
And then liquid level keeps in place in control flash tank, it is ensured that flash distillation space.
After flash tank 1 flash distillation, steam condensate (SC) outlet is connected with flash tank 2 condensed water import a pipeline high-temperature condensation water pump in parallel
6。
Flash tank, steam jet heat pump can increase number of units as required, can produce the steam of different pressures grade for gas utilization unit
Using, high-temperature condensation water pump can arrange one or more according to the requirement of system, general configuration 2, a preparation and a use.
As it is shown in figure 1, the course of work of a kind of aliphatic acid production technology waste heat recycling system is as follows:
The high-temperature steam condensed water producing in fatty acid process production process enters flash tank 1 and carries out primary flash, steam condensate (SC) one
Part flashes to indirect steam, and indirect steam reaches to enter steam pipe after gas utilization unit uses pressure through steam jet heat pump 3 boosting
Net one goes to workshop to use；The pressured difference of condensed water of the non-flash distillation of another part is flow automatically or drains into flash tank 2 with high-temperature condensation water pump, is dodging
Carrying out two-stage flash in steaming pot 2, equally, condensed water part in flash tank 2 flashes to indirect steam, the non-flash distillation of another part
Condensed water with high-temperature condensation water pump discharge.Secondary flash vapour in flash tank 2 divides two-way to use, and steam pipe system is directly passed through on a road
Two go to workshop to use, and another road enters steam jet heat pump 5 after boosting to certain pressure through steam jet heat pump 4 and continues boosting
Entering steam pipe system one after using pressure to gas utilization unit goes to workshop to use, and completes aliphatic acid production technology heat recovery.
Upper described embodiment is only to be described the preferred embodiment of the present invention, is not defined the scope of the present invention,
On the premise of designing spirit without prejudice to the present invention, it is each that technical scheme is made by any engineers and technicians in this area
Plant and modify or change, must be covered by claims of the present invention.
Claims (7)
1. a kind of aliphatic acid production technology waste heat recycling system of the present invention, including flash tank, steam jet heat pump, high temperature
Condensate pump.Described flash tank includes primary flash tank and two-stage flash tank；Described steam jet heat pump includes that one-level is dodged
Steaming pot steam jet heat pump, two-stage flash tank one-level steam jet heat pump and two-stage flash tank two-stage ejector-type heat pump；
Described flash tank is provided with steam condensate (SC) import, steam condensate (SC) outlet, flash steam outlet after flash distillation, and primary flash tank steams
Vapour condensed water import connects aliphatic acid process units high-temperature steam condensed water discharge outlet, and the outlet of primary flash tank flash steam is by unidirectional
Valve is connected with primary flash tank steam jet heat pump low-pressure steam mouth, primary flash tank steam jet heat pump mixed vapour
Outlet is connected with gas utilization unit by steam pipe system one, and after primary flash tank flash distillation, steam condensate (SC) outlet is cold with two-stage flash tank
Solidifying water inlet is connected, and the outlet of two-stage flash tank flash steam is by check valve and two-stage flash tank one-level steam jet heat pump low pressure
Steam port is connected, and two-stage flash tank one-level steam jet heat pump mixed vapour outlet point two-way, a road is used with two-stage flash tank
Second steam jet type heat pump low-pressure steam mouth is connected, and another road is directly connected with gas utilization unit by steam pipe system two, two grades of sudden strains of a muscle
The outlet of steaming pot second steam jet type heat pump mixed vapour is incorporated to steam pipe system one and is connected with gas utilization unit, two-stage flash tank flash distillation
Rear steam condensate (SC) outlet is connected with high-temperature condensation water pump inlet, and high-temperature condensation water pump discharge is connected with drainpipe；Described three
Platform steam jet heat pump high-pressure admission mouth is connected with high steam steam supply pipe steam distributing pipe respectively.
2. a kind of aliphatic acid production technology waste heat recycling system as claimed in claim 1, it is characterised in that: described flash distillation
It is equipped with temperature display meter, pressure display instrument table, safety valve, liquid level gauge, fluid level transmitter on tank.
3. a kind of aliphatic acid production technology waste heat recycling system as claimed in claim 1, it is characterised in that: described steam
Jet type heat pump is adjustable jet type heat pump, and its mixed steam outlet conduit is equipped with pressure sensor, and governor motion uses supports oneself
Formula regulation pneumatic regulation motorized adjustment.
4. a kind of aliphatic acid production technology waste heat recycling system as described in claim 1 or 3, it is characterised in that: described
Fluid level transmitter, pressure sensor electrical connection PLC control system or DCS tele-control system, PLC control system or DCS are remotely controlled
System processed is according to the signal control steam jet heat pump shower nozzle aperture of pressure sensor, and then control steam jet heat pump mixing
Vapor outlet pressure；Signal control high-temperature condensation water rotating speed according to fluid level transmitter, and then in control flash tank, liquid level is maintained at conjunction
Suitable position, it is ensured that flash distillation space.
5. a kind of aliphatic acid production technology waste heat recycling system as claimed in claim 1, it is characterised in that: described flash distillation
Use pipeline to connect between each equipment such as tank, steam jet heat pump, high-temperature condensation water pump, pipeline is equipped with valve.
6. a kind of aliphatic acid production technology waste heat recycling system as claimed in claim 1, it is characterised in that: described one-level
After flash tank flash distillation, steam condensate (SC) outlet is connected with two-stage flash tank condensed water import a pipeline high-temperature condensation water pump in parallel.
7. a kind of aliphatic acid production technology waste heat recycling system as claimed in claim 1, it is characterised in that: described high temperature
Condensate pump is adjustable high temperature condensate water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510116274.1A CN106152094A (en) | 2015-03-16 | 2015-03-16 | A kind of aliphatic acid production technology waste heat recycling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510116274.1A CN106152094A (en) | 2015-03-16 | 2015-03-16 | A kind of aliphatic acid production technology waste heat recycling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106152094A true CN106152094A (en) | 2016-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510116274.1A Pending CN106152094A (en) | 2015-03-16 | 2015-03-16 | A kind of aliphatic acid production technology waste heat recycling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111270324A (en) * | 2020-03-13 | 2020-06-12 | 中复神鹰碳纤维有限责任公司 | Method for recycling secondary flash steam of spinning line drying condensate water |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6346166B1 (en) * | 1999-06-14 | 2002-02-12 | Andritz-Ahlstrom Inc. | Flash tank steam economy improvement |
| CN103123107A (en) * | 2013-03-06 | 2013-05-29 | 宁波金海德旗化工有限公司 | Device for recovering waste heat and supplying steam through multistage dilatation flashing |
| CN203469506U (en) * | 2013-09-12 | 2014-03-12 | 日照嘉宏生物科技有限公司 | Device for recycling waste heat of steam condensate of vacuum flash tank |
-
2015
- 2015-03-16 CN CN201510116274.1A patent/CN106152094A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6346166B1 (en) * | 1999-06-14 | 2002-02-12 | Andritz-Ahlstrom Inc. | Flash tank steam economy improvement |
| CN103123107A (en) * | 2013-03-06 | 2013-05-29 | 宁波金海德旗化工有限公司 | Device for recovering waste heat and supplying steam through multistage dilatation flashing |
| CN203469506U (en) * | 2013-09-12 | 2014-03-12 | 日照嘉宏生物科技有限公司 | Device for recycling waste heat of steam condensate of vacuum flash tank |
Non-Patent Citations (1)
| Title |
|---|
| 费继友等: "蒸汽喷射式热泵在纸机干燥部供热节能的研究", 《贵州工业大学学报(自然科学版)》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111270324A (en) * | 2020-03-13 | 2020-06-12 | 中复神鹰碳纤维有限责任公司 | Method for recycling secondary flash steam of spinning line drying condensate water |
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Application publication date: 20161123 |
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