CN208071494U - A kind of quick disposal facility in vehicular fire-fighting accident water scene - Google Patents
A kind of quick disposal facility in vehicular fire-fighting accident water scene Download PDFInfo
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- CN208071494U CN208071494U CN201820349153.0U CN201820349153U CN208071494U CN 208071494 U CN208071494 U CN 208071494U CN 201820349153 U CN201820349153 U CN 201820349153U CN 208071494 U CN208071494 U CN 208071494U
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Abstract
The utility model is related to a kind of quick disposal facility in vehicular fire-fighting accident water scene, which includes filter, stirred tank, one or more flotation cells, dissolving, air compressor machine or air container；For the utility model technology based on FLOTATION SEPARATION, oil-containing water body is re-used for Fire-fighting cooling fire extinguishing procedure after the processing of the links such as filtering, flotation.It can be directed to the fire-fighting accident water of petrochemical industry fire generation by the utility model and similar sewage is handled, processing gained water body can be re-used for fire water extinguishing by cooling.By separating oil product from the scene of the accident, live oil content is reduced, and then reduce resume combustion risk；The water of acquisition is re-used for fire-fighting fire extinguishing, emergent supplement when as fire water supply deficiency.
Description
Technical field
The utility model is related to a kind of vehicular sewage scene rapid disposal method and equipment, more particularly to a kind of fire-fighting thing
Therefore live fire-fighting accident water rapid disposal method and equipment.
Background technology
Fire fighting supply be put out a fire combat duty an important component, be determine fire extinguishing success or failure key factor it
One.The large-sized fire that chemical industry occurs, usual attack time is longer, and fire-fighting water content consumption is larger, easily occurs in fire extinguishing procedure
The situation of fire water supply anxiety.A large amount of unburned oil products and fire and cooling water system etc. are mixed in the liquid that trickles, if fire is held
The continuous time is longer, and the accumulation of fire-fighting accident water is excessive in fire wall, it may occur however that unrestrained dike accident, consequence are extremely serious.In addition, occurring
When large area, long-time fire, fire-fighting accident water water is very big, and the pollutants such as oils contained cause environment prodigious
Harm.
For the cycling and reutilization process of the mixing liquid, unburned oil is the largest one of problem in water.These
Oils can enter formation oil-containing water body in water by different approaches.Typically, according to the difference of oil droplet size size, can be divided into
Oil slick, dispersed oil, oil emulsion and dissolved oil.Wherein, oil emulsion is then present in emulsus form stable in water, it is more difficult to is removed.
Therefore, oil emulsion is separated from the water be the utility model technology emphasis.Common technique all bad, places with separating effect
The problems such as reason time is long.The especially larger continuous flowing oil water separation process for the treatment of capacity, often exist liquid residence time compared with
It is short, be unable to depth removal small particle oil droplet the shortcomings of, be unable to reach good separation requirement.
Since fire-fighting accident water usually contains the constituent of fire foam, with conventional sewage most very much not
Together, it is the surfactant containing more amount.The component easily foams.Conventional treatment means can cause gas release excessive, into
And it is poor to generate separating effect, the problem of water resource waste.
Invention content
A kind of live quickly place of vehicular fire-fighting accident water that in order to overcome the deficiencies of the prior art, the utility model provides
Method and apparatus is set, for fire-fighting accident water (unburned oil product, the Fire-fighting cooling generated during petrochemical industry fire-fighting fire extinguishing
The mixing liquid of the substances such as water, fire foam) it is handled.Signified fire-fighting accident water includes extinguishing chemical in the utility model
Put out during all kinds of petrochemical industry oils fire or after remaining sewage.Involved extinguishing chemical includes fire foam, water
Base extinguishing chemical and its system mixed with other types extinguishing chemical.Involved oils includes：Gasoline, diesel oil, solvent naphtha, crude oil etc..
The technical solution adopted in the utility model is：
A kind of fire-fighting accident water disposal facility, including filter, stirred tank, one or more flotation cells, dissolving, pneumatics
Machine or air container；
When the quantity of flotation cell is 1；Filter is connected with stirred tank；Stirred tank is connected with flotation cell；Flotation cell side
Top is equipped with liquid outlet, and liquid outlet is connected with outlet tube, and a return duct is communicated in the middle part of outlet tube, and one end of the return duct connects
It is connected on outlet tube, the other end is connected with the top of dissolving；The bottom of dissolving is connected with flotation trench bottom；At the top of flotation cell
Equipped with Slag Scraping Device, bottom is equipped with mud valve；Slag Scraping Device at the top of flotation cell is connected with oil storage tank, at the top of dissolving also with sky
Press or air container are connected；
When the quantity of flotation cell is multiple；Filter is connected with stirred tank；Stirred tank with along liquid flow direction first
A flotation cell is connected；It is connected in series between flotation cell, liquid outlet is equipped with above the last one flotation cell side, liquid outlet is connected with
Outlet tube is communicated with a return duct in the middle part of outlet tube, and one end of the return duct is connected on outlet tube, the other end and dissolving
Top be connected；The bottom of dissolving is connected with each flotation trench bottom；Slag Scraping Device, bottom installation are equipped at the top of each flotation cell
There is mud valve；Slag Scraping Device at the top of each flotation cell is connected with oil storage tank, also holds with air compressor machine or gas storage at the top of dissolving
Device is connected.
Preferably, the quantity of the flotation cell is 2-5.
Preferably, detachable choked flow grid is housed inside the flotation cell.It is highly preferred that choked flow grid aperture 3-
20mm, 1-5 layers of the number of plies is arranged in choked flow grid in flotation cell.
Preferably, it is provided with snorkel on the oil storage tank, the breather valve with spark arrester is provided on snorkel.
The one or two of antifoaming agent and/or demulsifier are placed in the stirred tank.
Preferably, the flotation sump volume is 0.5-40m3Cube, 0.5-2 meters of height, length-width ratio：2:1-10:1.
The effect of flotation cell is to realize the depth FLOTATION SEPARATION of fire-fighting accident water.
The effect of multiple flotation cell settings is to improve the controllability and separative efficiency of fire-fighting accident water separation process.
The effect of filter is to filter the big grain size solid of fire-fighting accident water.
Dissolving effect is to provide dissolved air water.
The utility model additionally provides a kind of fire-fighting accident method for treating water, includes the following steps：
1) fire-fighting accident water, is transported to filter, filter medium mesh diameter 0.8-20mm, the rate of filtration by pump
5m3/(m2*h)-50m3/(m2*h)；
2) enter stirred tank after, filtering, antifoaming agent and/or flotation agent are placed in stirred tank；Stir 10-40min；Stirring
Rotating speed 50-300r/min；
3) enter after, being mixed in one or more flotation cells,
When the quantity of flotation cell is 1, flotation starts latter first 20 minutes, does not discharge, and the liquid for flowing out flotation cell enters
Dissolved air water is formed in dissolving, is flowed back into flotation cell again；When floating to Slag Scraping Device bottom containing oil whip, at the top of flotation cell
Slag Scraping Device brings into operation, and is floated at the top of flotation cell containing oil whip, is scraped into slag-guiding plate by Slag Scraping Device, outflow flotation cell enters oil storage
Tank, flotation after twenty minutes, open the valve on outlet tube, and a water phase part is flowed out by outlet tube, made as fire-fighting fire extinguishing water
With；A part enters dissolving, is then refluxed for entering in flotation cell；
When flotation cell is multiple, flotation cell is connected in series with each other, and flotation starts latter first 20 minutes, does not discharge, stream
The liquid for going out the last one flotation cell enters and forms dissolved air water in dissolving, flows back into again in each flotation cell；Containing oil vacuole
When foam floats to Slag Scraping Device bottom, the Slag Scraping Device at the top of corresponding flotation cell brings into operation, and is floated at the top of flotation cell containing oil whip, by scraping
Slag machine is scraped into slag-guiding plate, and outflow flotation cell enters oil storage tank, and flotation after twenty minutes, opens the valve on outlet tube, water phase one
Divide and flowed out by outlet tube, is used as fire-fighting fire extinguishing water；A part enters dissolving, is then refluxed for entering in flotation cell；
The antifoaming agent is mainly used for reducing a large amount of foams occurred during FLOTATION SEPARATION, is activated carbon, alumina silicate
Powder, waterglass, hydrophobicity silica flour, sodium tripolyphosphate, calgon, organic siloxane polymer, polyamine class, high poly- second two
The combination of one or more of alcohol.
The demulsifier is mainly used for being demulsified to the pretreatment before the oily waste water air supporting containing oil emulsion, including SP types
One or more kinds of combinations in agent, AP types demulsifier, AE types demulsifier or AR type demulsifiers.
Preferably, the temperature of fire-fighting fire extinguishing sewage is 0-60 DEG C in the step 1).
The flotation sump volume is 0.5-40m3Cube, 0.5-2 meters of height, length-width ratio：2:1-10:1.
Preferably, detachable choked flow grid is housed inside flotation cell.It is highly preferred that choked flow grid aperture 3-20mm, flotation
1-5 layers of the number of plies is arranged in choked flow grid in slot.
Preferably, the quantity of the flotation cell is 2-5.
Preferably, flotation cell flow 8-300m3/h.Preferably, flotation sump volume (m3) and flotation cell flow (m3/ h) number
Value is than being 1：(1-30).
Preferably, it is 0.5s/ times -10s/ times that Slag Scraping Device, which scrapes slag frequency,.
Preferably, dissolving pressure 0.5-0.9MPa.
Preferably, water phase has the aqueous-phase reflux of 5-50% to enter molten gas after liquid outlet outflow in the step 3)
In tank.
Advantageous effect possessed by the utility model：
The fire-fighting accident water that the utility model is generated for petrochemical industry fire is handled, and is ultimately formed a kind of for existing
The rapid disposal method and equipment of field fire-fighting accident water.Based on FLOTATION SEPARATION, oil-containing water body passed through the utility model technology
It is re-used for Fire-fighting cooling fire extinguishing procedure after the processing of the links such as filter, flotation.It can be directed to petrochemical industry fire by the utility model
The fire-fighting accident water of generation and similar sewage are handled, and processing gained water body can be re-used for fire water extinguishing by cooling.Pass through
Oil product is separated from the scene of the accident, reduces live oil content, and then reduce resume combustion risk；The water of acquisition is re-used for fire-fighting
Fire extinguishing, emergent supplement when as fire water supply deficiency effectively make up the present situation that fire water supply is in short supply in chemical industrial park, increase me
The weapon and means that state's fire-fighting police strength fire extinguishing is fought, it is highly important for protecting the country and people's property, life security to have
Meaning.
Description of the drawings
Fig. 1 is the schematic diagram of the utility model device.
Fig. 2 is the utility model flotation cell equipment vertical section schematic diagram；
Fig. 3 is the schematic diagram of choked flow grid.
Wherein, A-filter；B-stirred tank；C-flotation cell；D-dissolving；E-air compressor machine or air container；F-oil storage tank；
G-choked flow grid；H-screen hole.
1-fire-fighting accident water；2-filtered fire-fighting accident waters；3-antifoaming agent；4-demulsifiers；5-filterings/defoaming/demulsification
Fire-fighting accident water afterwards；6-contain oil whip；7-gases (air or inert gas)；8-dissolved air waters；9-separation water.
The water that the compressed air or inert gas come out from air compressor machine or air container comes out with flotation cell enters dissolving,
Dissolved air water is formed after being sufficiently mixed dissolving, dissolved air water enters by flotation trench bottom release in flotation cell.Due to pressure reduction,
The gas being dissolved in water can be discharged from water, and the gas released generates foam after being contacted with oil-containing fire-fighting accident water, floats
At the top of to flotation cell, scraped into slag-guiding plate by Slag Scraping Device, outflow flotation cell enters oil storage tank, and water phase is flowed out from flotation cell side.If
Surface-active contents are higher in oil-containing fire-fighting fire extinguishing sewage, and generation bubble is larger, more, then pass through to be arranged in flotation cell and hinder
Grid is flowed, flotation bubble rate and Air Bubble Size are reduced.Choked flow grid is Multilayer grid harden structure, by adjusting grid Board position
Adjust choked flow aperture.Meanwhile using multi-stage flotation groove form, the FLOTATION SEPARATION load in every grade of flotation cell, Jin Eryou can be reduced
The generation of effect control bubble.It is handled by multistage continuous flotation, realizes the scene quickly disposition of fire-fighting accident water.Air compressor machine or storage
When gas container inner pressure or gas deficiency, ftercompction or tonifying Qi are carried out to it, maintain pressure stability in dissolving.
Specific implementation mode
With reference to specific embodiment, the utility model is described in further detail, but does not limit the protection model of the utility model
It encloses.
Embodiment 1：
A kind of fire-fighting fire extinguishing sewage disposal plant, including filter (A), stirred tank (B), three flotation cells (C), dissolvings
(D), air compressor machine or air container (E), wherein
Filter (A) is connected with stirred tank (B)；Stirred tank (B) and first flotation cell (C) phase flowed to along liquid
Even；It is connected in series between three flotation cells (C), liquid outlet is equipped with above the last one side flotation cell (C), liquid outlet is connected with
Outlet tube is communicated with a return duct in the middle part of outlet tube, and one end of the return duct is connected on outlet tube, the other end and dissolving
(D) top is connected；The bottom of dissolving (D) is connected with three flotation cell (C) bottoms respectively；The top of each flotation cell (C)
Equipped with Slag Scraping Device, bottom is equipped with mud valve；Slag Scraping Device at the top of flotation cell (C) is connected with oil storage tank (F), dissolving
(D) top is also connected (E) with air compressor machine or air container.
It is provided with snorkel on the oil storage tank (D), the breather valve with spark arrester is provided on snorkel.
Dismountable choked flow grid (G) is housed inside each flotation cell (C).Choked flow grid (G) aperture 8mm, flotation cell (C)
2 layers of the number of plies is arranged in interior choked flow grid (G).
The one or two of antifoaming agent and/or demulsifier are placed in stirred tank (B).
Each flotation cell (C) volume is 10m3Cube, height 1.5 meters, length-width ratio：3:1.
Embodiment 2
Fire-fighting accident water 60t is handled with hour, continuous processing time 10h is handled for scene.Oils is used in fire extinguishing
Diesel oil, extinguishing chemical type are fluoroprotein foam extinguishing agent.
Using equipment described in embodiment 1.
The fire-fighting accident water inlet amount that the scene of the accident generates is 60m3/ h, temperature are 30 DEG C.Fire-fighting accident water initially enters
Filter (A), filter medium mesh diameter 8mm, rate of filtration 9m3/(m2*h).Enter stirred tank (B) after filtering, SP types are added
Demulsifier and aluminium silicate powder, initial incremental amount are the 0.03% of inlet amount, (after according to flotation cell (C) flotation situation adjust) stirring
30min, speed of agitator 80r/min.It is sequentially entered after mixing in three flotation cells (C)；Flotation starts latter first 20 minutes,
It does not discharge, the liquid for flowing out the last one flotation cell (C) forms dissolved air water by dissolving (D), flows back into three again and floats
It selects in slot (C)；Detachable choked flow grid (G) is equipped in each flotation cell (C), choked flow grid (G) aperture 8mm is arranged 3 layers；It is molten
The control of gas tank (D) pressure carries out after ten minutes in 0.58MPa, flotation, and the Slag Scraping Device at the top of each flotation cell (C) brings into operation,
It is 1.5s/ times to scrape slag frequency, is floated at the top of flotation cell (C) containing oil whip, is scraped into slag-guiding plate, outflow flotation cell (C) by Slag Scraping Device
Into oil storage tank (F), flotation after twenty minutes, opens the valve on outlet tube, and water phase 80% is flowed out from outlet tube, remaining by returning
Flow tube enters dissolving (D), is then refluxed for entering in three flotation cells (C).
10min before floatation process stops charging；10-20min, feed flow rate is according to the interior level condition tune of flotation cell (C)
Section；After 20min, it is gradually brought to initial charge flow velocity, and keeps stable.By the utility model method, water-oil separating rate can
Up to 90%.
Claims (6)
1. a kind of fire-fighting accident water disposal facility, it is characterised in that：Including filter, stirred tank, one or more flotation cell, molten
Gas tank, air compressor machine or air container；
When the quantity of flotation cell is 1；Filter is connected with stirred tank；Stirred tank is connected with flotation cell；Above flotation cell side
Equipped with liquid outlet, liquid outlet is connected with outlet tube, and a return duct is communicated in the middle part of outlet tube, and one end of the return duct is connected to
On outlet tube, the other end is connected with the top of dissolving；The bottom of dissolving is connected with flotation trench bottom；It is equipped at the top of flotation cell
Slag Scraping Device, bottom are equipped with mud valve；Slag Scraping Device at the top of flotation cell is connected with oil storage tank, and dissolving top is gone back and air compressor machine
Or air container is connected；
When the quantity of flotation cell is multiple；Filter is connected with stirred tank；Stirred tank with it is floating along first of liquid flow direction
Slot is selected to be connected；It is connected in series between flotation cell, liquid outlet is equipped with above the last one flotation cell side, liquid outlet is connected with out liquid
It manages, is communicated with a return duct in the middle part of outlet tube, one end of the return duct is connected on outlet tube, the top of the other end and dissolving
Portion is connected；The bottom of dissolving is connected with each flotation trench bottom；It is equipped with Slag Scraping Device at the top of each flotation cell, bottom is equipped with row
Slurry valve door；Slag Scraping Device at the top of each flotation cell is connected with oil storage tank, dissolving top also with air compressor machine or air container phase
Even.
2. a kind of fire-fighting accident water disposal facility according to claim 1, it is characterised in that：The quantity of the flotation cell is 2-
5.
3. a kind of fire-fighting accident water disposal facility according to claim 1, it is characterised in that：Being equipped with inside the flotation cell can
Dismantle choked flow grid.
4. a kind of fire-fighting accident water disposal facility according to claim 3, it is characterised in that：Choked flow grid aperture 3-
20mm, 1-5 layers of the number of plies is arranged in choked flow grid in flotation cell.
5. a kind of fire-fighting accident water disposal facility according to claim 1, it is characterised in that：It is placed with and disappears in the stirred tank
The one or two of infusion and/or demulsifier.
6. a kind of fire-fighting accident water disposal facility according to claim 1, it is characterised in that：The flotation sump volume is 0.5-
40m3Cube, 0.5-2 meters of height, length-width ratio：2:1-10:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820349153.0U CN208071494U (en) | 2018-03-14 | 2018-03-14 | A kind of quick disposal facility in vehicular fire-fighting accident water scene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820349153.0U CN208071494U (en) | 2018-03-14 | 2018-03-14 | A kind of quick disposal facility in vehicular fire-fighting accident water scene |
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| Publication Number | Publication Date |
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| CN208071494U true CN208071494U (en) | 2018-11-09 |
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ID=64047317
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| CN201820349153.0U Active CN208071494U (en) | 2018-03-14 | 2018-03-14 | A kind of quick disposal facility in vehicular fire-fighting accident water scene |
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| CN (1) | CN208071494U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110272140A (en) * | 2018-03-14 | 2019-09-24 | 公安部天津消防研究所 | A kind of vehicular fire-fighting accident water scene rapid disposal method and equipment |
-
2018
- 2018-03-14 CN CN201820349153.0U patent/CN208071494U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110272140A (en) * | 2018-03-14 | 2019-09-24 | 公安部天津消防研究所 | A kind of vehicular fire-fighting accident water scene rapid disposal method and equipment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 110 Wei Jinnan Road, Nankai District, Tianjin Patentee after: Tianjin Institute of Fire Protection, Ministry of Emergency Management Address before: No. 110 Wei Jinnan Road, Nankai District, Tianjin Patentee before: Tianjin Fire Fighting Inst., Ministry of Public Security |
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| CP01 | Change in the name or title of a patent holder |