CN109019725A - A kind of energy conservation water vaporization tower - Google Patents
A kind of energy conservation water vaporization tower Download PDFInfo
- Publication number
- CN109019725A CN109019725A CN201710428599.2A CN201710428599A CN109019725A CN 109019725 A CN109019725 A CN 109019725A CN 201710428599 A CN201710428599 A CN 201710428599A CN 109019725 A CN109019725 A CN 109019725A
- Authority
- CN
- China
- Prior art keywords
- vaporization tower
- water vaporization
- reboiler
- surge tank
- wastewater
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 238000009834 vaporization Methods 0.000 title claims abstract description 36
- 230000008016 vaporization Effects 0.000 title claims abstract description 36
- 238000004134 energy conservation Methods 0.000 title claims abstract description 6
- 239000007788 liquid Substances 0.000 claims abstract description 65
- 239000002351 wastewater Substances 0.000 claims abstract description 63
- 239000002699 waste material Substances 0.000 claims abstract description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 238000009833 condensation Methods 0.000 claims 2
- 230000005494 condensation Effects 0.000 claims 2
- 238000004064 recycling Methods 0.000 abstract description 4
- 239000002918 waste heat Substances 0.000 abstract description 4
- 239000000126 substance Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
A kind of energy conservation water vaporization tower, including water vaporization tower, reboiler and wastewater trough, it is characterized in that: wastewater trough is connect with wastewater feed heat exchanger by pipeline, wastewater feed heat exchanger is connect with water vaporization tower by pipeline, water vaporization tower is connect with reboiler by pipeline, and reboiler is connect with condensate liquid surge tank by pipeline；Connecting pipe between reboiler and condensate liquid surge tank is equipped with steam lead, and wastewater feed heat exchanger is equipped with waste pipe.Using the above structure, can effective recycling water vaporization tower waste water waste heat, reduce water vaporization tower reboiler steam additional amount, be finally reached energy-saving purpose.
Description
Technical field
The present invention relates to chemical industry equipment and control field, especially a kind of energy saving water vaporization tower.
Background technique
In recent years, the whole world gradually promotes the attention degree of energy problem, and the using energy source feelings current for China
Condition, China are also gradually reinforcing emission reduction and energy-efficient implementation dynamics.For chemical industry, in Chemical Manufacture, move
Power consumption is the chief component of chemical plant energy consumption, mainly includes following two, i.e. power consumption and steam consumption.
So to realize China's sustainable economic development, the implementation to Chemical Manufacture energy-saving and emission-reduction work must be just increased, and gradually real
The target of existing sustainable development.
In chemical production process, consumed energy, which has a large portion, to be distributed as status thermal energy,
Many low-grade heats can utilize very well, cause to waste.Therefore, it is desirable to the energy utilization rate of Chemical Manufacture is improved, it must
The utilization efficiency to Lowlevel thermal energy must be increased.It in operation can be by the low grade residual heat generated in production and various other more
Excess heat carries out reasonable integration, and carries out repeating recycling to it, to improve the comprehensive utilization ratio of the energy.
The adjusting of traditional rectifying column temperature, which mainly passes through, adjusts reboiler steam control valve, adjusts reaction slowly, time lag,
For large distillation column, reboiler steam pipe diameter is larger, the bad control of steam addition, is unfavorable for saving steam.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of energy saving water vaporization towers, can effective recycling waste water vapour
The waste heat of stripper waste water reduces water vaporization tower reboiler steam additional amount, is finally reached energy-saving purpose.
In order to solve the above technical problems, the technical scheme adopted by the invention is that: a kind of energy conservation water vaporization tower, including it is useless
Water stripper, reboiler and wastewater trough, it is characterized in that: wastewater trough is connect with wastewater feed heat exchanger by pipeline, wastewater feed
Heat exchanger is connect with water vaporization tower by pipeline, and water vaporization tower is connect with reboiler by pipeline, reboiler and condensate liquid
Surge tank is connected by pipeline；
Connecting pipe between reboiler and condensate liquid surge tank is equipped with steam lead, and wastewater feed heat exchanger is equipped with useless
Water pipe.
In preferred scheme, two connecting pipes are equipped between the water vaporization tower and wastewater feed heat exchanger,
In one in succession pipeline be equipped with waste water discharging pump.
In preferred scheme, the connecting pipe between the wastewater trough and wastewater feed heat exchanger is conveyed equipped with waste water
Pump.
In preferred scheme, the condensate liquid surge tank is equipped with liquidometer, and liquidometer is equipped with liquid level sensor, cold
Lime set buffers pot bottom and is equipped with condensate liquid outlet tube, and condensate liquid outlet tube is equipped with Liquid level adjusting valve, Liquid level adjusting valve and liquid level
Sensor connection.
In preferred scheme, the connecting pipe between the reboiler and condensate liquid surge tank is equipped with gas-liquid equilibrium control
Valve processed.
In preferred scheme, two connecting pipes, gas-liquid equilibrium are equipped between the reboiler and condensate liquid surge tank
Control valve is disposed therein in a connecting pipe.
In preferred scheme, valve is equipped in the connecting pipe.
A kind of energy saving water vaporization tower provided by the present invention has the advantages that by using above structure
(1) process is simple, and equipment investment expense is low；
(2) by steam condensate liquid level in control condensate liquid surge tank, heat exchange area in reboiler is further controlled, can be reduced
Reboiler steam additional amount；
(3) by the pre- thermal wastewater of hot waste water, the waste heat of hot waste water is made full use of, waste water stripping tower reboiler steam is reduced and adds
Enter amount, is finally reached energy-saving purpose.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples:
Fig. 1 is overall structure diagram of the invention.
In figure: water vaporization tower 1, reboiler 2, condensate liquid surge tank 3, wastewater feed heat exchanger 4, liquidometer 5, liquid level pass
Sensor 6, Liquid level adjusting valve 7, wastewater trough 8, waste water delivery pump 9, waste water discharging pump 10, gas-liquid equilibrium control valve 11, steam lead
12, waste pipe 13 out, condensate liquid outlet tube 14.
Specific embodiment
In such as figure, a kind of energy conservation water vaporization tower, including water vaporization tower 1, reboiler 2 and wastewater trough 8, wastewater trough 8 with
Wastewater feed heat exchanger 4 is connected by pipeline, and wastewater feed heat exchanger 4 is connect with water vaporization tower 1 by pipeline, wastewater stripping
Tower 1 is connect with reboiler 2 by pipeline, and reboiler 2 is connect with condensate liquid surge tank 3 by pipeline；
Connecting pipe between reboiler 2 and condensate liquid surge tank 3 is equipped with steam lead 12, sets on wastewater feed heat exchanger 4
There are waste pipe 13 out.
In preferred scheme, two connecting pipes are equipped between the water vaporization tower 1 and wastewater feed heat exchanger 4,
Wherein one in succession pipeline be equipped with waste water discharging pump 10.
In preferred scheme, it is defeated that the connecting pipe between the wastewater trough 8 and wastewater feed heat exchanger 4 is equipped with waste water
Send pump 9.
In preferred scheme, the condensate liquid surge tank 3 is equipped with liquidometer 5, and liquidometer 5 is equipped with liquid level sensor
6,3 bottom of condensate liquid surge tank is equipped with condensate liquid outlet tube 14, and condensate liquid outlet tube 14 is equipped with Liquid level adjusting valve 7, liquid level tune
Section valve 7 is connect with liquid level sensor 6.
In preferred scheme, the connecting pipe between the reboiler 2 and condensate liquid surge tank 3 is equipped with gas-liquid equilibrium
Control valve 11.
In preferred scheme, two connecting pipes are equipped between the reboiler 2 and condensate liquid surge tank 3, gas phase is flat
Weighing apparatus control valve 11 is disposed therein in a connecting pipe.
In preferred scheme, valve is equipped in the connecting pipe.
The specific workflow of the utility model is as follows:
The waste water collected in wastewater trough 8 is delivered to wastewater feed heat exchanger 4 and from waste water vapour after pressurizeing by waste water delivery pump 9
The hot waste water of 100 ~ 105 DEG C of 1 tower bottom of stripper exchanges heat, and temperature rises to 40 ~ 50 DEG C or so the rear water vaporization towers 1 that enter and carries out
Wastewater stripping recycles the low-boiling-point organic compound material in waste water.The hot waste water of 100 ~ 105 DEG C of 1 tower bottom of water vaporization tower then passes through
Waste water discharging pump 10 pressurize after be delivered to wastewater feed heat exchanger 4 and come to from after the wastewater heat exchange in wastewater trough 8 through go out waste water
Pipe 13 is sent to wastewater treatment equipment.
Steam from main steam range is entered by steam control valve control and is boiled again through steam lead 12, and 2 and wastewater stripping
It is condensed into steam condensate after the heat exchange of 1 kettle material of tower and enters condensate liquid surge tank 3, liquid level is provided with outside condensate liquid surge tank 3
Sensor can further control heat exchange area in reboiler 2 by 3 liquid level of condensate liquid surge tank.If temperature is lower than target temperature,
The increasing of 7 aperture of Liquid level adjusting valve is then controlled, liquid level decline in condensate liquid surge tank 3, because of reboiler 2 and condensate liquid surge tank 3
Connection, therefore liquid level always remains in same level, liquid level declines in reboiler 2, and 2 heat exchange area of reboiler increases, temperature
Degree is begun to ramp up.Conversely, then reducing 7 aperture of Liquid level adjusting valve, liquid level in condensate liquid surge tank 3 as temperature is higher than target temperature
Rise, liquid level rises in reboiler 2, and 2 heat exchange area of reboiler reduces, and temperature is begun to decline.
By using above structure, can effective recycling water vaporization tower waste water waste heat, reduce water vaporization tower again
Device steam addition is boiled, energy-saving purpose is finally reached.
Claims (7)
1. a kind of energy conservation water vaporization tower, including water vaporization tower (1), reboiler (2) and wastewater trough (8), it is characterized in that: waste water
Slot (8) is connect with wastewater feed heat exchanger (4) by pipeline, and wastewater feed heat exchanger (4) and water vaporization tower (1) pass through pipeline
Connection, water vaporization tower (1) are connect with reboiler (2) by pipeline, and reboiler (2) and condensate liquid surge tank (3) pass through pipeline
Connection；
Connecting pipe between reboiler (2) and condensate liquid surge tank (3) is equipped with steam lead (12), wastewater feed heat exchanger
(4) it is equipped with waste pipe (13).
2. a kind of energy saving water vaporization tower according to claim 1, it is characterised in that: the water vaporization tower (1) with
Between wastewater feed heat exchanger (4) be equipped with two connecting pipes, wherein one in succession pipeline be equipped with waste water discharging pump (10).
3. a kind of energy saving water vaporization tower according to claim 1, it is characterised in that: the wastewater trough (8) and waste water
Connecting pipe between feed exchanger (4) is equipped with waste water delivery pump (9).
4. a kind of energy saving water vaporization tower according to claim 1, it is characterised in that: the condensate liquid surge tank (3)
It is equipped with liquidometer (5), liquidometer (5) is equipped with liquid level sensor (6), and condensate liquid surge tank (3) bottom goes out equipped with condensate liquid
Liquid pipe (14), condensate liquid outlet tube (14) are equipped with Liquid level adjusting valve (7), and Liquid level adjusting valve (7) and liquid level sensor (6) are even
It connects.
5. a kind of energy saving water vaporization tower according to claim 1, it is characterised in that: the reboiler (2) and condensation
Connecting pipe between liquid surge tank (3) is equipped with gas-liquid equilibrium control valve (11).
6. a kind of energy saving water vaporization tower according to claim 5, it is characterised in that: the reboiler (2) and condensation
Two connecting pipes are equipped between liquid surge tank (3), gas-liquid equilibrium control valve (11) is disposed therein in a connecting pipe.
7. a kind of energy saving water vaporization tower according to claim 1, it is characterised in that: be equipped in the connecting pipe
Valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710428599.2A CN109019725A (en) | 2017-06-08 | 2017-06-08 | A kind of energy conservation water vaporization tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710428599.2A CN109019725A (en) | 2017-06-08 | 2017-06-08 | A kind of energy conservation water vaporization tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109019725A true CN109019725A (en) | 2018-12-18 |
Family
ID=64629227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710428599.2A Pending CN109019725A (en) | 2017-06-08 | 2017-06-08 | A kind of energy conservation water vaporization tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109019725A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111153762A (en) * | 2020-01-22 | 2020-05-15 | 临涣焦化股份有限公司 | Benzene hydrogenation energy-saving efficiency-improving device and use method thereof |
| CN111285421A (en) * | 2020-01-16 | 2020-06-16 | 董国亮 | Methanol-to-olefin sewage stripping tower system |
-
2017
- 2017-06-08 CN CN201710428599.2A patent/CN109019725A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111285421A (en) * | 2020-01-16 | 2020-06-16 | 董国亮 | Methanol-to-olefin sewage stripping tower system |
| CN111153762A (en) * | 2020-01-22 | 2020-05-15 | 临涣焦化股份有限公司 | Benzene hydrogenation energy-saving efficiency-improving device and use method thereof |
| CN111153762B (en) * | 2020-01-22 | 2023-12-29 | 临涣焦化股份有限公司 | Benzene hydrogenation energy-saving efficiency improving device and application method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181218 |