CN1042672A - Washing process of container and equipment - Google Patents
Washing process of container and equipment Download PDFInfo
- Publication number
- CN1042672A CN1042672A CN 88107802 CN88107802A CN1042672A CN 1042672 A CN1042672 A CN 1042672A CN 88107802 CN88107802 CN 88107802 CN 88107802 A CN88107802 A CN 88107802A CN 1042672 A CN1042672 A CN 1042672A
- Authority
- CN
- China
- Prior art keywords
- waste water
- container
- tank
- cleaning
- water
- 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
- 238000005406 washing Methods 0.000 title claims abstract description 11
- 238000004140 cleaning Methods 0.000 claims abstract description 32
- 239000002351 wastewater Substances 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000005516 engineering process Methods 0.000 claims abstract description 11
- 238000004065 wastewater treatment Methods 0.000 claims abstract description 8
- 239000002893 slag Substances 0.000 claims abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 239000002699 waste material Substances 0.000 claims description 11
- 238000007792 addition Methods 0.000 claims description 8
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 claims description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000011651 chromium Substances 0.000 claims description 6
- 238000001556 precipitation Methods 0.000 claims description 6
- 238000009287 sand filtration Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 239000000428 dust Substances 0.000 claims description 5
- 239000010865 sewage Substances 0.000 claims description 5
- 229910001385 heavy metal Inorganic materials 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 238000009300 dissolved air flotation Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 238000006386 neutralization reaction Methods 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 231100000614 poison Toxicity 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 claims description 2
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 2
- 238000005189 flocculation Methods 0.000 claims description 2
- 230000016615 flocculation Effects 0.000 claims description 2
- 238000011010 flushing procedure Methods 0.000 claims description 2
- 239000002244 precipitate Substances 0.000 claims description 2
- 238000000746 purification Methods 0.000 claims description 2
- 238000012958 reprocessing Methods 0.000 claims description 2
- 239000013049 sediment Substances 0.000 claims description 2
- 229940079827 sodium hydrogen sulfite Drugs 0.000 claims description 2
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 claims description 2
- JBJWASZNUJCEKT-UHFFFAOYSA-M sodium;hydroxide;hydrate Chemical compound O.[OH-].[Na+] JBJWASZNUJCEKT-UHFFFAOYSA-M 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 235000014347 soups Nutrition 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 2
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 claims 2
- AHLWZBVXSWOPPL-RGYGYFBISA-N 20-deoxy-20-oxophorbol 12-myristate 13-acetate Chemical compound C([C@]1(O)C(=O)C(C)=C[C@H]1[C@@]1(O)[C@H](C)[C@H]2OC(=O)CCCCCCCCCCCCC)C(C=O)=C[C@H]1[C@H]1[C@]2(OC(C)=O)C1(C)C AHLWZBVXSWOPPL-RGYGYFBISA-N 0.000 claims 1
- 241001602688 Pama Species 0.000 claims 1
- 230000007096 poisonous effect Effects 0.000 claims 1
- 239000003344 environmental pollutant Substances 0.000 abstract description 5
- 231100000719 pollutant Toxicity 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 3
- 230000032258 transport Effects 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000002574 poison Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
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- Water Treatment By Sorption (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
A kind of container cleaning technology particularly is applicable to the collecting and distributing ground of container, and for example the harbour is concentrated and cleaned container, and present technique comprises three steps.At first container is pressed the pollutant qualitative classification; To focus on pollutant: earlier with refuse, the slag cleaning focuses on, and washes casing again with water again; Handle washing waste water at last, adopt general Waste Water Treatment to utilize different treatment process to handle all kinds of waste water respectively.The present invention also can be used for cleaning the freight house of bulk ship, does not also produce secondary pollution.
Description
The invention belongs to the cleaning technique of large-capacity transport container, particularly container and concentrate the technology of cleaning container collecting and distributingly.
The cleaning of container is all handled by the owner of cargo in developed country, since waste residue to be processed, the waste liquid single property, and treatment process and used equipment all have specificity.The container transportation is very not universal in developing country.Some owners of cargo do not possess the technical capability of cleaning container, cleaning can cause second environmental pollution reluctantly, in some cases because the shortcoming of transport capacity, the owner of cargo can only be in the container delivery of cargo of devaning collecting and distributingly, clean and empty van is stayed the distribution centre, this situation is brought difficulty to the distribution centre.In the prior art, the container cleaning technology and the equipment that still do not have a kind of versatility.This problem is particularly outstanding at distribution centre-port and pier extra large, that land transportation is defeated.
The objective of the invention is to propose a kind of container cleaning technology scheme with versatility, be exclusively used in the collecting and distributing ground of container, port and pier are for example concentrated and are cleaned container and do not produce second environmental pollution.
Content of the present invention is to set up special cleaning station, concentrated cleaning has the container of various pollutions, container will be polluted character by it during cleaning is classified, focus on respectively by pollution of different nature, in cleaning operation at first with refuse, the waste residue of the container of similar pollution, mode with mechanical removal is removed, for example scrape, sweep, dust suction or the like, with the refuse of removing, slag is concentrated with burning method and is handled, or otherwise handles; With pressure (hydraulic) water or pressurized high-temperature water flushing casing, make the casing cleaning then, will focus on towards the case classification of waste again, handle waste water and can adopt chemical oxidization method; Multi-stage separation is for example through multi-stage separation methods such as precipitation, dissolved air flotation, sand filtration, active carbon filtration absorption; Or electronation one neutralization precipitation, method such as partition method again.Used Waste Water Treatment is by collecting-tank, classification storage pool, regulating tank, air supporting tower, reuse pool, sand filtration post, activated carbon filter post, secondary reuse pool and plate and frame filter press, waste residue bucket and dosing tank etc.This system's adapted all be common water treatment facilities, can be suitable for different treatment process at all kinds of washing waste waters needs.Characteristics of the present invention are that classification is handled, and adopt suitable treatment technology at pollutant of different nature, can effectively finish cleaning task.Another characteristics of the present invention are that the container pollutant is taked cleaning method step by step, adopt mechanical system earlier, for example scrape, sweep, dust suction focuses on its removing under the situation that keeps the pollutant ortho states to greatest extent, and then the mode that washes with water is thoroughly cleaned container, this practice will reduce the trouble that secondary waste water is handled, and increase work efficiency.The 3rd characteristics of the present invention are that the general water treatment system of use one cover is handled in classification to washing waste water, are applicable to various treatment process.
Process route flow chart of the present invention as shown in Figure 1, Waste Water Treatment schematic diagram of the present invention is as shown in Figure 2.To the illustrated explanation among Fig. 2: outdoor collecting-tank 1, stainless steel submerged pump 2, air compressor machine 3, classification of waste storage pool 4, plastic centrifugal pump 5, regulating tank 6, plastic centrifugal pump 7, flowmeter 8, air compressor machine 9, efficient air-floating tower 10,11, reuse pools 12 of air supporting slag chute, centrifugal pump 13, flowmeter 14, sand filtration post 15, activated carbon filter post 16, secondary reuse pool 17, centrifugal mud pump 18, plate and frame filter press 19, waste residue bucket 20, dosing tank 21, indoor collecting-tank 22, stainless steel submerged pump 23, ejector 24.A kind of place layout drawing of cleaning station of the present invention as shown in Figure 3, to illustrated explanation among Fig. 3: water source 31, power supply box 32, open drain 33, underground collecting-tank 34, Waste Water Treatment 35, case 6 to be cleaned.Following requirement should be satisfied in the place: can bear the wheel load that 15～25 ton forklift handling 40T empty vans are produced; There is the draining slope that waste water is introduced collecting-tank; Must not be to underground infiltration; Water source and power supply are arranged; The turnover box is convenient.
One of embodiments of the invention are the containers that cleans cyanide pollution.Follow procedure transports to case clean earlier → open chamber door ventilation → tryoff → to refuse in the case, waste residue cleans, dust suction in spatula → case → high-pressure washing chamber interior wall and floor → remove dangerous mark → drying → tryoff → pass chamber door, cleaning finishes.By the refuse that cleaning and dust suction are concentrated, slag focuses on, and washing waste water focuses on.Cyanide containing wastewater is handled and is adopted chemical oxidization method, the practice is: measure cyanide content in the waste water → add in waste water sodium hydroxide solution, regulating pH value makes waste water be the excessive liquor natrii hypochloritis of alkalescence → add in waste water to 9-10, addition can be excessive more than 10 times → stirs, soup is fully reacted, can take the time more than 2 hours, and with have after the reaction chlorine residue be as the criterion → oxygen determination content, concentration can discharge less than 0.5PPm.Processing to cyanide containing wastewater can be carried out in regulating tank.Handle the container of cyanide pollution, operating personnel are needing protective gear, prevent to poison.
Two of the embodiment of the invention is to clean the container that organic poison pollutes.One of its operating procedure such as embodiment.Tertiary treatment technology is adopted in processing to washing waste water, and it is in proper order: precipitation → dissolved air flotation → filtration absorption → water purification discharging.The sewage disposal system overall process has been used in concrete operations, the practice is: precipitate at collecting-tank → waste water is mentioned regulating tank adding aluminum sulfate by collecting-tank, additional proportion is 40～100mg/ liter → stirring, time is no less than 5 minutes → the adding flocculation aid, can use anion polyacrylamide solution, addition is that 20～30 mg/ liter → stirring is no less than 3 minutes, floccule appears, add gas floatation agent solution, for example use then solution concentration 1% of commercially available LC-1 type gas floatation agent solution, 3 to 5 milliliters/liter of additions, → pumping into the air supporting tower carries out air supporting and handles → enter the sand filtration post, and activated carbon filter post filters, absorption → discharging.
Three of the embodiment of the invention is to clean the pollution that contains chromium or other heavy metal element material.One of its operating procedure such as embodiment, to washing waste water, adopt electronation-neutralization precipitation method to handle chromium or other heavy metal element waste water, it has manipulated sewage disposal system whole process, the practice is: waste water is pumped into by sedimentation basin and adds the concentrated sulfuric acid behind the regulating tank and transfer pH value to approximate 2 → again to add the solid sodium hydrogensulfite, be sufficient reacting, answer excessive adding, addition can excessive one times → and react and become light green color → adding NaOH to waste water by yellow pH value is transferred to 7.5, an amount of gas floatation agent → pump into when detecting Cr VI or other heavy metal element in the air supporting tower separations → water appears adding behind the light green color sediment, reprocessing till do not recheck out → discharge.
Cleaning technique of the present invention has solved container and has concentrated the cleaning container to prevent the secondary pollution problem collecting and distributingly. Also solve the freight house cleaning of bulk carrier and prevent that secondary pollution from providing a kind of effective way for port and pier simultaneously. Freight house is cleaned the cleaning be similar to the container that has amplified. Connect the freight house cleaning that just can realize non-secondary pollution with the pipeline of Waste Water Treatment as long as solve the waste water of bringing down stocks. And the pipeline connection is by the pump of being located in the freight house, pumping conduit and the pipeline composition that leads to Waste Water Treatment that places capable of being disconnected on the harbour. Using prior art is easy to realize.
Claims (5)
1, a kind of container cleaning technology, be used in particular for container transportation distribution centre, port and pier for example, the invention is characterized in classification in the container set is cleaned, in cleaning operation at first with the refuse of the container of similar pollution, waste residue is removed with the mode of mechanical removal, for example scrape, sweep, dust suction etc., refuse, the slag removed are concentrated with burning method and handled, or otherwise handle; With pressure (hydraulic) water or pressurized high-temperature water flushing casing, make the casing cleaning then, will focus on towards the case classification of waste again; Used Waste Water Treatment is by collecting-tank, classification storage pool, regulating tank, air supporting tower, a reuse pool, sand filtration post, activated carbon filter post, secondary reuse pool and plate and frame filter press, waste residue bucket and dosing tank.
2, a kind of container cleaning technology as claimed in claim 1, it is characterized in that handling the washing waste water that contains cyanide and adopt chemical oxidization method, the practice is: measure cyanide content in the waste water → add in waste water sodium hydroxide solution, regulating pH value to 9～10 makes waste water be alkalescence → excessive liquor natrii hypochloritis of adding in waste water, addition can be excessive more than 10 times → and stir soup is fully reacted, can grasp is having the chlorine residue cyanogen content that is as the criterion → surveys more than 2 hours and after with reaction, and concentration can be discharged less than 0.5PPm; Carry out in the regulating tank of above-mentioned technological operation in sewage disposal system.
3, a kind of container cleaning technology as claimed in claim 1, it is characterized in that adopting the tertiary treatment PROCESS FOR TREATMENT to contain organic poisonous substance washing waste water, it is in proper order: precipitation → dissolved air flotation → filtration absorption → water purification discharging; Sewage disposal system whole process has been used in concrete operations; The practice is: precipitate at collecting-tank → waste water is mentioned regulating tank adding aluminum sulfate, additional proportion is 40～100mg/ liter, → stir, time is no less than 5 minutes → the adding flocculation aid, can use PAMA solution, then addition be 20～30mg/liter, → stir, be no less than 3 minutes, to floccule occurring, add gas floatation agent solution, when using commercially available LC-1 type gas floatation agent, solution concentration 1%, addition be 3～5 milliliters/liter → pumping into the air supporting tower carries out air supporting and handles → enter the sand filtration post, activated carbon filter post filters absorption → discharging.
4, a kind of container cleaning technology as claimed in claim 1, it is characterized in that adopting electronation-neutralization precipitation method to handle and contain chromium or other heavy metal element waste water, it has manipulated sewage disposal system whole process; The practice is: waste water pumps into and adds the concentrated sulfuric acid behind the regulating tank and transfer pH value to approximate 2 → again to add the solid sodium hydrogensulfite, answer excessive adding, addition can excessive one times → and to react and become light green color → adding NaOH to waste water by yellow pH value is transferred to 7.5, an amount of gas floatation agent → pump into when reprocessing to the Cr VI valency of not answering does not go out when detecting Cr VI in the air supporting tower separations → water → discharging appears adding behind the light green color sediment.
5, a kind of container cleaning technology as claimed in claim 1 is characterized in that adding that the pipeline that connects with Waste Water Treatment can be used to clean the pollution freight house of bulk carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88107802 CN1042672A (en) | 1988-11-15 | 1988-11-15 | Washing process of container and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88107802 CN1042672A (en) | 1988-11-15 | 1988-11-15 | Washing process of container and equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1042672A true CN1042672A (en) | 1990-06-06 |
Family
ID=4834794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88107802 Pending CN1042672A (en) | 1988-11-15 | 1988-11-15 | Washing process of container and equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1042672A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104799764A (en) * | 2014-10-20 | 2015-07-29 | 中集集团集装箱控股有限公司 | Dust removing device for wood floor of container |
| CN106348426A (en) * | 2016-10-27 | 2017-01-25 | 湖南科瑞生物制药股份有限公司 | Treating method for cyanide-containing industrial wastewater |
| CN110014009A (en) * | 2019-04-11 | 2019-07-16 | 上海港机重工有限公司 | A kind of household garbage container intelligence cleaning process |
| CN112893355A (en) * | 2019-11-19 | 2021-06-04 | 玖龙纸业(重庆)有限公司 | Automatic cleaning method for slurry tower tank |
-
1988
- 1988-11-15 CN CN 88107802 patent/CN1042672A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104799764A (en) * | 2014-10-20 | 2015-07-29 | 中集集团集装箱控股有限公司 | Dust removing device for wood floor of container |
| CN104799764B (en) * | 2014-10-20 | 2017-05-03 | 中集集团集装箱控股有限公司 | Dust removing device for wood floor of container |
| CN106348426A (en) * | 2016-10-27 | 2017-01-25 | 湖南科瑞生物制药股份有限公司 | Treating method for cyanide-containing industrial wastewater |
| CN110014009A (en) * | 2019-04-11 | 2019-07-16 | 上海港机重工有限公司 | A kind of household garbage container intelligence cleaning process |
| CN110014009B (en) * | 2019-04-11 | 2020-06-30 | 上海港机重工有限公司 | Intelligent cleaning process for household garbage container |
| CN112893355A (en) * | 2019-11-19 | 2021-06-04 | 玖龙纸业(重庆)有限公司 | Automatic cleaning method for slurry tower tank |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |