CN108383187A - A kind of station boiler citric acid wastewater enrichment facility and application method - Google Patents
A kind of station boiler citric acid wastewater enrichment facility and application method Download PDFInfo
- Publication number
- CN108383187A CN108383187A CN201810443429.6A CN201810443429A CN108383187A CN 108383187 A CN108383187 A CN 108383187A CN 201810443429 A CN201810443429 A CN 201810443429A CN 108383187 A CN108383187 A CN 108383187A
- Authority
- CN
- China
- Prior art keywords
- waste
- steam
- lime set
- vaporization chamber
- pump
- 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
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 title claims abstract description 51
- 239000002351 wastewater Substances 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 9
- 239000002699 waste material Substances 0.000 claims abstract description 54
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 41
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 41
- 239000004571 lime Substances 0.000 claims abstract description 41
- 239000007788 liquid Substances 0.000 claims abstract description 41
- 238000009834 vaporization Methods 0.000 claims abstract description 35
- 230000008016 vaporization Effects 0.000 claims abstract description 35
- 238000009833 condensation Methods 0.000 claims abstract description 13
- 230000005494 condensation Effects 0.000 claims abstract description 13
- 239000012047 saturated solution Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims description 3
- 230000000505 pernicious effect Effects 0.000 claims description 3
- 235000021110 pickles Nutrition 0.000 abstract description 5
- 238000005554 pickling Methods 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 239000002910 solid waste Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 238000009303 advanced oxidation process reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- QMQXDJATSGGYDR-UHFFFAOYSA-N methylidyneiron Chemical compound [C].[Fe] QMQXDJATSGGYDR-UHFFFAOYSA-N 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000009270 solid waste treatment Methods 0.000 description 1
- 239000000243 solution Substances 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- 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
- C02F1/043—Details
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
A kind of station boiler citric acid wastewater enrichment facility and application method, the enrichment facility include mainly liquid reserve tank, vaporization chamber, steam guiding tube, negative pressure device, condenser, condensate liquid recycling bins, tail gas recycle device etc.；Pickle liquor in liquid reserve tank is imported by waste drains pump in vaporization chamber, pickle liquor is heated to 95~100 DEG C using steam later, the steam utilization negative pressure device of generation, it is imported into condenser and is condensed by steam guiding tube, condensate liquid is imported by lime set pump in condensate liquid recycling bins, remaining tail gas is imported by steam guiding tube in tail gas recycle device after condensation, and harmful substance is avoided to enter air；The invention also discloses the application methods of the device；The device is easy to implement, is efficient, is reliable, is easy to operate, is convenient for the concentration of boiler citric acid pickling acid waste water.
Description
Technical field
The present invention relates to a kind of organic acid enrichment facilities, and in particular to thermal power plant station boiler citric acid wastewater
Enrichment facility and application method.
Background technology
Due to the COD higher of boiler citric acid wastewater, the waste water treatment system of power plant can not be handled pickle liquor
To the index of emission request.Flocculation sedimentation can reduce the COD of pickle liquor to a certain extent, but since wastewater flow rate is big, deposit
Treatment agent addition is big, the more problem of quantity of solid waste after flocculating setting processing；Advanced oxidation processes, as Fenton oxidation,
Ultraviolet Oxidation, the oxidation of iron carbon microelectrode, ozone oxidation etc., that there are treatment effeciencies is low, is unfavorable for field conduct, equipment investment height etc.
Problem.
Invention content
In order to improve the treatment effeciency of heat power plant boiler citric acid wastewater, solid waste generates after reducing pickling
Amount reduces equipment investment cost, and the purpose of the present invention is to provide a kind of thermal power plant station boiler citric acid wastewaters
Enrichment facility and application method, the device are easy to implement, are efficient, is reliable, is easy to operate, are convenient for boiler citric acid pickling
The concentration of sour waste water.
In order to achieve the above objectives, the present invention adopts the following technical scheme that：
A kind of station boiler citric acid wastewater enrichment facility, including liquid reserve tank 1, pass through waste pipe 3 and liquid reserve tank 1
The condensed steam outlet of the vaporization chamber 4 of connection, the condenser 8 being connected to vaporization chamber 4 by steam guiding tube 7, condenser 8 passes through lime set
Conduit 11 is connected to lime set case 12, and the incondensable gas outlet of condenser 8 passes through pipeline connection tail gas recycle device 9；The vaporization chamber 4
It is inside provided with steam heater 5, waste drains pump inlet valve K1, waste drains pump 2 and waste drains pump are disposed on the waste pipe 3
Outlet valve K2 is provided with negative-pressure air fan 6 on the steam guiding tube 7, lime set pump intake is disposed on the lime set conduit 11
Valve K3, lime set pump 10 and lime set pump discharge valve K4；Waste water utilization waste drains pump 2 in liquid reserve tank 1, is led by waste pipe 3
Enter to vaporization chamber 4, after reaching certain liquid level, the waste liquid in vaporization chamber 4 be heated to 95~100 DEG C by steam heater 5,
The steam utilization negative-pressure air fan 6 of generation after steam condensation, passes through lime set pump 10, lime set by steam guiding tube 7 into people to condenser 8
Conduit 11 is imported into lime set case 12, and incoagulable gas is imported by pipeline in tail gas recycle device 9.
Steam heater 5 in the vaporization chamber 4 is prepared using the carbon steel pipe of Ф 32 × 3, reduce Original equipment at
This.
Be placed with limewash saturated solution in the tail gas recycle device 9, absorb incoagulable gas, avoid pernicious gas into
Enter air.
The application method of the station boiler citric acid wastewater enrichment facility, by waste drains pump inlet valve K1, waste liquid
Pump discharge valve K2 is opened, and starts waste drains pump 2, the waste liquid in liquid reserve tank 1 is transferred to by waste pipe 3 in vaporization chamber 4, is arrived
Up to after certain liquid level, waste drains pump 2, waste drains pump inlet valve K1 and waste drains pump outlet valve K2 are closed successively；It is heated by steam
Waste liquid in vaporization chamber 4 is heated to 95~100 DEG C by device 5, and maintains the temperature of vaporization chamber 4；Waste liquid temperature in vaporization chamber 4 reaches
To after 95~100 DEG C, start the cooling water system of negative-pressure air fan 6, condenser, the steam utilization negative pressure wind generated in vaporization chamber 4
Machine 6 is introduced into condenser 8 by steam guiding tube 7；After reaching predetermined amount after steam condensation, opens lime set pump intake valve K3 and coagulate
Liquid pump outlet valve K4 starts lime set pump 10, condensation water is imported into lime set case 12 by lime set conduit 11；Incoagulable gas
Body is imported by pipeline in tail gas recycle device 9, and limewash saturated solution is placed in tail gas recycle device 9, absorbs incoagulable gas
Body.
The present invention is compared to the prior art compared with having the following advantages that：
1) device concentrates pickle liquor by physics mode, is not suitable for other Waste water treatment medicaments, does not increase
Solid Waste Treatment amount；
2) equipment that the device uses is mature equipment, and reliability is high, can continuously handle waste water, improve useless
Water treatment efficiency.
Description of the drawings
Fig. 1 is apparatus of the present invention structural schematic diagram.
Specific implementation mode
The present invention will be further described in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, a kind of station boiler citric acid wastewater enrichment facility of the present invention, including liquid reserve tank 1, by useless
The vaporization chamber 4 that fluid catheter 3 is connected to liquid reserve tank 1, the condenser 8 being connected to vaporization chamber 4 by steam guiding tube 7, the condensation of condenser 8
Steam (vapor) outlet is connected to lime set case 12 by lime set conduit 11, and the incondensable gas outlet of condenser 8 is returned by pipeline connection tail gas
Receive device 9；It is provided with steam heater 5 in the vaporization chamber 4, waste drains pump inlet valve is disposed on the waste pipe 3
K1, waste drains pump 2 and waste drains pump outlet valve K2, are provided with negative-pressure air fan 6 on the steam guiding tube 7, on the lime set conduit 11 according to
It is secondary to be provided with lime set pump intake valve K3,10 and lime set pump discharge valve K4 of lime set pump；Waste water utilization waste drains pump in liquid reserve tank 1
2, vaporization chamber 4 is imported by waste pipe 3, after reaching certain liquid level, by steam heater 5 by the waste liquid in vaporization chamber 4
It is heated to 95~100 DEG C, the steam utilization negative-pressure air fan 6 of generation, by steam guiding tube 7 into people to condenser 8, steam condensation
Afterwards, it is imported into lime set case 12 by lime set pump 10, lime set conduit 11, incoagulable gas imported into tail gas recycle by pipeline
In device 9.
As the preferred embodiment of the present invention, the steam heater 5 in the vaporization chamber 4 uses the carbon steel of Ф 32 × 3
Pipe is prepared, and reduces Original equipment cost.
As the preferred embodiment of the present invention, it is placed with limewash saturated solution in the tail gas recycle device 9, absorbs not
The gas of condensation, avoids pernicious gas from entering air.
As shown in Figure 1, a kind of station boiler citric acid wastewater enrichment facility of the present invention, application method are as follows：It will
Waste drains pump inlet valve K1, waste drains pump outlet valve K2 are opened, and start waste drains pump 2, the waste liquid in liquid reserve tank 1 is led by waste liquid
Pipe 3 is transferred in vaporization chamber 4, after reaching certain liquid level, is closed waste drains pump 2, waste drains pump inlet valve K1 and waste liquid successively and is pumped out
Mouth valve K2；The waste liquid in vaporization chamber 4 is heated to 95~100 DEG C by steam heater 5, and maintains the temperature of vaporization chamber 4；
After waste liquid temperature in vaporization chamber 4 reaches 95~100 DEG C, start the cooling water system of negative-pressure air fan 6, condenser, in vaporization chamber 4
The steam utilization negative-pressure air fan 6 of generation is introduced into condenser 8 by steam guiding tube 7；After reaching predetermined amount after steam condensation, open
Lime set pump intake valve K3 and lime set pump discharge valve K4 starts lime set pump 10, is imported into condensation water by lime set conduit 11
In lime set case 12；Incoagulable gas is imported by pipeline in tail gas recycle device 9, and it is full that limewash is placed in tail gas recycle device 9
And solution, absorb incoagulable gas.
Claims (4)
1. a kind of station boiler citric acid wastewater enrichment facility, it is characterised in that：Including liquid reserve tank (1), led by waste liquid
The vaporization chamber (4) that pipe (3) is connected to liquid reserve tank (1), the condenser (8) being connected to vaporization chamber (4) by steam guiding tube (7), condensation
The condensed steam outlet of device (8) is connected to lime set case (12) by lime set conduit (11), and the incondensable gas outlet of condenser (8) is logical
Cross pipeline connection tail gas recycle device (9)；Steam heater (5) is provided in the vaporization chamber (4), on the waste pipe (3)
It is disposed with waste drains pump inlet valve (K1), waste drains pump (2) and waste drains pump outlet valve (K2), is set on the steam guiding tube (7)
It is equipped with negative-pressure air fan (6), lime set pump intake valve (K3), lime set pump (10) are disposed on the lime set conduit (11) and is coagulated
Liquid pump outlet valve (K4)；Waste water utilization waste drains pump (2) in liquid reserve tank (1) imported into vaporization chamber by waste pipe (3)
(4), after reaching certain liquid level, the waste liquid in vaporization chamber (4) is heated to 95~100 DEG C by steam heater (5), is generated
Steam utilization negative-pressure air fan (6), by steam guiding tube (7) into people to condenser (8), after steam condensation, by lime set pump (10),
Lime set conduit (11) is imported into lime set case (12), and incoagulable gas is imported by pipeline in tail gas recycle device (9).
2. station boiler citric acid wastewater enrichment facility according to claim 1, it is characterised in that：The vaporization chamber
(4) steam heater (5) in is prepared using the carbon steel pipe of Ф 32 × 3, reduces Original equipment cost.
3. station boiler citric acid wastewater enrichment facility according to claim 1, it is characterised in that：The tail gas recycle
Device is placed with limewash saturated solution in (9), absorbs incoagulable gas, pernicious gas is avoided to enter air.
4. the application method of any one of claims 1 to 3 station boiler citric acid wastewater enrichment facility, feature exist
In：Waste drains pump inlet valve (K1), waste drains pump outlet valve (K2) are opened, waste drains pump (2) is started, it will be in liquid reserve tank (1)
Waste liquid is transferred to by waste pipe (3) in vaporization chamber (4), after reaching certain liquid level, closes waste drains pump (2), waste drains pump successively
Inlet valve (K1) and waste drains pump outlet valve (K2)；The waste liquid in vaporization chamber (4) is heated to 95 by steam heater (5)
~100 DEG C, and maintain the temperature of vaporization chamber (4)；After waste liquid temperature in vaporization chamber (4) reaches 95~100 DEG C, start negative pressure wind
The cooling water system of machine (6), condenser, the middle steam utilization negative-pressure air fan (6) generated of vaporization chamber (4), is drawn by steam guiding tube (7)
Enter to condenser (8)；After reaching predetermined amount after steam condensation, lime set pump intake valve (K3) and lime set pump discharge valve are opened
(K4), start lime set pump (10), condensation water is imported into lime set case (12) by lime set conduit (11)；Incoagulable gas is logical
It crosses pipeline to imported into tail gas recycle device (9), limewash saturated solution is placed in tail gas recycle device (9), absorbs incoagulable gas
Body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810443429.6A CN108383187A (en) | 2018-05-10 | 2018-05-10 | A kind of station boiler citric acid wastewater enrichment facility and application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810443429.6A CN108383187A (en) | 2018-05-10 | 2018-05-10 | A kind of station boiler citric acid wastewater enrichment facility and application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108383187A true CN108383187A (en) | 2018-08-10 |
Family
ID=63070796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810443429.6A Pending CN108383187A (en) | 2018-05-10 | 2018-05-10 | A kind of station boiler citric acid wastewater enrichment facility and application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108383187A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237459A (en) * | 2018-09-02 | 2019-01-18 | 青岛安装建设股份有限公司 | A kind of newly-built drum boiler chemical cleaning method |
| CN110790436A (en) * | 2019-12-12 | 2020-02-14 | 西安热工研究院有限公司 | Treatment system and method for power station boiler composite organic acid cleaning wastewater |
| CN114477688A (en) * | 2022-04-14 | 2022-05-13 | 生态环境部华南环境科学研究所 | Ozone generating device for biochemical sludge treatment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1373243A (en) * | 2001-12-31 | 2002-10-09 | 南昌大学 | Process for treating waste pickling liquid of hydrochloric acid by negative-pressure external-circulation evaporation-concentrating crystallization method |
| CN2823247Y (en) * | 2005-08-15 | 2006-10-04 | 郭德豪 | Solar energy assisted heating vacuum evaporation concentrating device |
| CN204111344U (en) * | 2014-10-16 | 2015-01-21 | 青岛瀚新石墨设备科技有限公司 | Full graphite equipment acid regeneration utilizes and reclaims iron protochloride crystal treatment system |
| CN204779205U (en) * | 2015-06-19 | 2015-11-18 | 浙江大学 | Resourceful treatment device is synthesized to hydrochloric acid spent pickle liquor |
| CN208471583U (en) * | 2018-05-10 | 2019-02-05 | 西安热工研究院有限公司 | A kind of station boiler citric acid wastewater enrichment facility |
-
2018
- 2018-05-10 CN CN201810443429.6A patent/CN108383187A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1373243A (en) * | 2001-12-31 | 2002-10-09 | 南昌大学 | Process for treating waste pickling liquid of hydrochloric acid by negative-pressure external-circulation evaporation-concentrating crystallization method |
| CN2823247Y (en) * | 2005-08-15 | 2006-10-04 | 郭德豪 | Solar energy assisted heating vacuum evaporation concentrating device |
| CN204111344U (en) * | 2014-10-16 | 2015-01-21 | 青岛瀚新石墨设备科技有限公司 | Full graphite equipment acid regeneration utilizes and reclaims iron protochloride crystal treatment system |
| CN204779205U (en) * | 2015-06-19 | 2015-11-18 | 浙江大学 | Resourceful treatment device is synthesized to hydrochloric acid spent pickle liquor |
| CN208471583U (en) * | 2018-05-10 | 2019-02-05 | 西安热工研究院有限公司 | A kind of station boiler citric acid wastewater enrichment facility |
Non-Patent Citations (1)
| Title |
|---|
| 詹怀宇 等: "农产品加工机械与设备", 中国轻工业出版社, pages: 428 - 429 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237459A (en) * | 2018-09-02 | 2019-01-18 | 青岛安装建设股份有限公司 | A kind of newly-built drum boiler chemical cleaning method |
| CN109237459B (en) * | 2018-09-02 | 2021-05-18 | 青岛安装建设股份有限公司 | Chemical cleaning method for newly-built drum furnace |
| CN110790436A (en) * | 2019-12-12 | 2020-02-14 | 西安热工研究院有限公司 | Treatment system and method for power station boiler composite organic acid cleaning wastewater |
| CN114477688A (en) * | 2022-04-14 | 2022-05-13 | 生态环境部华南环境科学研究所 | Ozone generating device for biochemical sludge treatment |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
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Application publication date: 20180810 |