CN202829649U - Air floatation device - Google Patents
Air floatation device Download PDFInfo
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- CN202829649U CN202829649U CN201220486167.XU CN201220486167U CN202829649U CN 202829649 U CN202829649 U CN 202829649U CN 201220486167 U CN201220486167 U CN 201220486167U CN 202829649 U CN202829649 U CN 202829649U
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- treatment tank
- air
- supporting treatment
- air supporting
- floating apparatus
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Abstract
The utility model discloses an air floatation device which comprises an air floatation treatment tank, a skid-mounted frame, a reagent preparation device and a wastewater inlet pipe, wherein the air floatation treatment tank is arranged above the skid-mounted frame; the reagent preparation device is arranged below the skid-mounted frame; a pipeline mixer communicated with the air floatation treatment tank is arranged at the periphery of the bottom of the air floatation treatment tank; and the wastewater inlet pipe and the reagent preparation device are communicated with the air floatation treatment tank through the pipeline mixer. The air floatation device occupies a small space, the whole device is in an integrated skid-mounted mode, the device is convenient to transport and mount, and the floor space is saved by 30 percent.
Description
Technical field
The utility model relates to a kind of air-floating apparatus.
Background technology
At present, in the oil refining process, because its stock oil quality variation increasingly, sulphur content and other foreign matter content constantly raise, so that the oil-water emulsion phenomenon is day by day serious in the course of processing, and the sewage quality constantly worsens, become refinery number maximum, quality is the poorest, the most unmanageable sewage.
This sewage mainly is comprised of heating furnace tube steam injection, ball valve sealing vapour and crude oil water containing three parts.The heating furnace tube steam injection: injection rate accounts for 1.5%～2.5%(3.8-6.3 ton/time of raw material quantity); Ball valve sealing vapour: the trim of each ball valve has 4～8 steam injection points, approximately 2.5 tons/time.Above total oily(waste)water amount reaches 6.3-8.8 ton/time.
In service at delayed coking unit, because separation column top gas phase velocity is high, temperature variation is large, gasoline component is complicated, causes sour water emulsion very easily to occur, though after the water-and-oil separator sedimentation, the Oil in Sewage Water massfraction is still 1～4%, and is more than the Gao Shikeda 1O%; The concentration of solid coke powder particle is at 2O～25mg/L.Coking sulfur-containing sewage is with oil and coke powder in a large number, has badly influenced the normal production of waste disposal plant, and benefit and the environmental protection of coker brought negative impact.
In recent years, many oil refining enterprises and scientific research department have mainly developed the coked waste water treatment technology of chemical flocculation, but only dispose of sewage with chemical assistant, the usage quantity of chemical assistant is larger, can increase amides, polyethers macromolecule organic in the coking sulfur-containing sewage, or the inorganic salt such as aluminum chloride, before effluxing, these chemical substances in the water still need to anticipate.
Also there is at present enterprise to utilize air-floating apparatus to process above-mentioned waste water, but the problems such as the existence of used air-floating apparatus is taken up an area greatly, transportation inconvenience, easy blast.
The utility model content
The purpose of this utility model provides a kind of air-floating apparatus.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of air-floating apparatus comprises air supporting treatment tank, skid framework, reagent preparation equipment and wastewater inlet pipe; Described air supporting treatment tank be located at the skid framework above, reagent preparation equipment be located at the skid framework below; The bottom periphery of described air supporting treatment tank is provided with the line mixer that communicates with the air supporting treatment tank, and described wastewater inlet pipe and reagent preparation equipment communicate with the air supporting treatment tank through line mixer.
Above-mentioned air-floating apparatus, air supporting treatment tank and reagent preparation equipment use simultaneously, use separately with the air supporting treatment tank and compare, and have further improved the effectiveness of wastewater treatment; Compare with independent use agent treated sewage, dropped to the secondary pollution of water minimum, rationally control the usage quantity of reagent, can make the sewage after the processing reach emission standard, can make again the content control of the chemical composition in the sewage after the processing in allowed limits, before discharging, need not pre-treatment.
In the above-mentioned air-floating apparatus, air supporting treatment tank and reagent preparation equipment, not only save floor occupying area to together by the skid frame assembled, handled easily, and convenient carrying.When processing waste water, waste water and reagent enter the air supporting treatment tank again behind the line mixer mixing, effectively improved the effectiveness of wastewater treatment.
Above-mentioned skid framework can be laid on the ground, forms up and down double-layer structure, its upper strata of top finger of skid framework, and the below refers to lower floor, for economical with materials, can ground be lower floor.
As a kind of technical scheme of the present utility model, described reagent preparation equipment comprises device for preparing flocculating agent and coagulating agent preparation facilities, and device for preparing flocculating agent, coagulating agent preparation facilities and wastewater inlet pipe communicate with the air supporting treatment tank through line mixer respectively.Like this, when wastewater treatment, waste water, flocculation agent and coagulating agent enter the air supporting treatment tank again behind the mixing in line mixer, when flocculation agent and dosage of PAC are few, just can be with sewage disposal to the standard that can discharge, and the content of chemical composition need not pre-treatment in allowed limits in the water before the discharging, just can directly discharge.
In order to solve the existing explosive problem of air-floating apparatus, described air supporting treatment tank outside is provided with the nitrogen tube that communicates with it.Adopt nitrogen as pneumatically supported source of the gas, not only some easy oxidizing mediums are played a protective role, and nitrogen can play to process gas the effect of nitrogen envelope, thereby prevent that process gas from producing the danger of blast because reaching pre-quick-fried value.
In order further to stop the blast problem, described air supporting treatment tank is closed system.Can keep like this being in slight positive pressure state in the air supporting treatment tank, further prevent contacting of process gas and air, further stop the risk of blast.Airtight finger air supporting treatment tank herein is not contact with the external world except its inside of import and export of necessity, just can guarantee like this slight positive pressure state of air supporting treatment tank by the intake of control nitrogen.In the prior art, the air supporting treatment tank is uncovered.
In order effectively to control the size that nitrogen passes into rear bubble, preferred, above-mentioned air-floating apparatus also comprises clear water pipe and air dissolved pump, and described clear water pipe and nitrogen tube communicate with the air supporting treatment tank through air dissolved pump.When wastewater treatment, the clear water in the clear water pipe and nitrogen are passed into the air supporting treatment tank behind the mixing in the container pump like this, can effectively control like this size of bubble, further improve the effectiveness of sewage disposal.For save energy, the convenient recycle of using, realizing the energy, preferred, the clear water pipe draws the clear water zone from the air supporting treatment tank.
In order more evenly to control exactly the size of bubble, preferably, above-mentioned air-floating apparatus also comprises potentiostat, diaphragm valve, first flow meter and the second under meter, described first flow meter is located at the nitrogen tube initiating terminal, and clear water pipe and nitrogen tube communicate with the air supporting treatment tank through air dissolved pump, the second under meter, potentiostat, diaphragm valve successively.The excessive too small processing that all can affect sewage of bubble is renderd a service, when its diameter is the 30-50 micron, and best results.Can be exactly the size of nitrogen bubble be controlled at the 30-50 micron by aforesaid device.
In order to realize full-automatic production, improve processing efficiency, described device for preparing flocculating agent communicates with the air supporting treatment tank through flocculation agent dosing pump, flocculation agent pipeline, line mixer successively, and the coagulation preparation facilities communicates with the air supporting treatment tank through coagulating agent dosing pump, coagulating agent pipeline, line mixer successively.
For the waste gas that produces in the wastewater treatment process can be discharged in time, the top of described air supporting treatment tank is provided with the waste pipe that communicates with it.
For the scum silica frost in the wastewater treatment process can be discharged and process timely, and save floor occupying area, be provided with the scum silica frost groove that communicates with air supporting treatment tank bottom below the skid framework, the bottom of scum silica frost groove is provided with the slag stock pump.Internal structure is conventional design in the utility model air supporting treatment tank, and during wastewater treatment, the waste water surface scum drains into the scum silica frost groove after the chain slag scraper is collected, and after the slag stock pump of scum silica frost trench bottom is processed, discharges again.
In order effectively to control the pressure in the flocculation preparation facilities, described flocculation preparation facilities is provided with blow-down pipe.
For the ease of dismounting and operation, described skid framework is provided with the stair that can lead to ground.
According to existing technique, be provided with chain slag scraper, contraminated zone and clear water zone etc. in the above-mentioned air supporting treatment tank, the bottom of air supporting treatment tank or bottom periphery are provided with water outlet, and the utility model is NM all can be with reference to existing technique.
During wastewater treatment, after mixing in line mixer, waste water, flocculation agent and coagulating agent enter in the air supporting treatment tank; Nitrogen and clear water Guan Zhongshui enter in the air supporting treatment tank through return line, potentiostat, diaphragm valve after air dissolved pump mixes successively; Bubble brings to the water surface with pollutent in the air supporting treatment tank, drains into the scum silica frost groove after collecting by the chain slag scraper, discharges after the slag stock pump is processed.The clear water pipe preferably draws the clear water zone from the air supporting treatment tank, and the clear water after the processing is partly discharged the air supporting treatment tank, and part flows into the recycle of clear water pipe.
The utility model air-floating apparatus is combined with air supporting treatment tank and chemical reagent, overcome their the separately deficiency during sewage disposal; Take up an area little, the integrated skid of whole equipment, easy transportation and installation save floor occupying area 30%; Adopt nitrogen as pneumatically supported source of the gas, not only some easy oxidizing mediums are played a protective role, nitrogen can play to process gas the effect of nitrogen envelope simultaneously, prevents that process gas from producing the danger of blast because reaching pre-quick-fried value; Device interior can keep slight positive pressure state, prevent that equipment internal procedure gas from contacting with the equipment outer air, stopped the detonation of inflammable gas: easy to operate, do not need air compressor machine, pressure air-dissolving tanks etc. only need just can finish control by the simple operationss such as start and stop of air dissolved pump; The scope of application is extensive.
Description of drawings
Process flow sheet when Fig. 1 is this air-floating apparatus of the utility model processing waste water.
Fig. 2 is the utility model air-floating apparatus theory structure schematic diagram.
Fig. 3 is the utility model air-floating apparatus structural representation.
Fig. 4 is the utility model air-floating apparatus one deck floor map.
Fig. 5 is the utility model air-floating apparatus two layer plane schematic diagram.
Among the figure, 1 is the air supporting treatment tank, and 1-1 is the chain slag scraper, 1-2 is water outlet, and 1-3 is clear water zone, and 2 is device for preparing flocculating agent, 2-1 is the flocculation agent dosing pump, and 3 is the coagulating agent preparation facilities, and 3-1 is the coagulating agent dosing pump, 4 is line mixer, and 5 is air dissolved pump, and 6 is potentiostat, 7 is diaphragm valve, 8 is nitrogen tube, and 9 is the scum silica frost groove, and 10 is the slag stock pump, 11 is waste pipe, 12 is the clear water pipe, and 13 are skid framework, 13-1 stair, 14 is water inlet pipe, 15 is the first flow meter, and 16 is the second under meter, and 17 is wastewater inlet pipe.
Embodiment
In order to understand better the utility model, further illustrate content of the present utility model below in conjunction with embodiment, but content of the present utility model not only is confined to the following examples.
Air-floating apparatus shown in Fig. 1 to 5 comprises air supporting treatment tank, device for preparing flocculating agent, coagulating agent preparation facilities, skid framework and wastewater inlet pipe; The air supporting treatment tank be located at the skid framework above, device for preparing flocculating agent and coagulating agent preparation facilities be located at the skid framework below; The bottom periphery of air supporting treatment tank is provided with line mixer, and device for preparing flocculating agent, coagulating agent preparation facilities and wastewater inlet pipe communicate with the air supporting treatment tank through line mixer.The air supporting treatment tank is closed system, and outer periphery is provided with nitrogen tube, and the nitrogen tube initiating terminal is provided with under meter, and communicates with the air supporting treatment tank through air dissolved pump, return line, under meter, potentiostat and diaphragm valve successively; Device for preparing flocculating agent communicates with the air supporting treatment tank through flocculation agent dosing pump, flocculation agent pipeline, line mixer successively, and the coagulation preparation facilities communicates with the air supporting treatment tank through coagulation dosing pump, coagulating agent pipeline, line mixer successively; The top of air supporting treatment tank is provided with waste pipe; Be provided with the scum silica frost groove that communicates with air supporting treatment tank bottom below the skid framework, the bottom of scum silica frost groove is provided with the slag stock pump; The flocculation preparation facilities is provided with blow-down pipe; Described skid framework is provided with the stair that can lead to ground; Be provided with chain slag scraper, storage area etc. in the air supporting treatment tank, the part that the utility model is not carried is all with reference to prior art, and the bottom periphery of air supporting treatment tank is provided with water outlet.
During wastewater treatment, after mixing in line mixer, waste water, flocculation agent and coagulating agent enter in the air supporting treatment tank; Water in nitrogen and the clear water pipe enters in the air supporting treatment tank through return line, potentiostat, diaphragm valve after air dissolved pump mixes successively, and the clear water pipe draws the clear water zone from the air supporting treatment tank; Bubble brings to the water surface with pollutent in the air supporting treatment tank, drains into the scum silica frost groove after collecting by the chain slag scraper, discharges after the slag stock pump is processed.
Claims (10)
1. an air-floating apparatus is characterized in that: comprise air supporting treatment tank, skid framework, reagent preparation equipment and wastewater inlet pipe; Described air supporting treatment tank be located at the skid framework above, reagent preparation equipment be located at the skid framework below; The bottom periphery of described air supporting treatment tank is provided with the line mixer that communicates with the air supporting treatment tank, and described wastewater inlet pipe and reagent preparation equipment communicate with the air supporting treatment tank through line mixer.
2. air-floating apparatus as claimed in claim 1, it is characterized in that: described reagent preparation equipment comprises device for preparing flocculating agent and coagulating agent preparation facilities, and device for preparing flocculating agent, coagulating agent preparation facilities and wastewater inlet pipe communicate with the air supporting treatment tank through line mixer respectively.
3. air-floating apparatus as claimed in claim 1 or 2, it is characterized in that: described air supporting treatment tank outside is provided with the nitrogen tube that communicates with the air supporting treatment tank.
4. air-floating apparatus as claimed in claim 3, it is characterized in that: described air supporting treatment tank is closed system.
5. air-floating apparatus as claimed in claim 4, it is characterized in that: also comprise clear water pipe and air dissolved pump, described clear water pipe and nitrogen tube communicate with the air supporting treatment tank through air dissolved pump.
6. air-floating apparatus as claimed in claim 4, it is characterized in that: also comprise potentiostat, diaphragm valve, first flow meter and the second under meter, described first flow meter is located at the nitrogen tube initiating terminal, and clear water pipe and nitrogen tube communicate with the air supporting treatment tank through air dissolved pump, the second under meter, potentiostat, diaphragm valve successively.
7. air-floating apparatus as claimed in claim 2, it is characterized in that: described device for preparing flocculating agent communicates with the air supporting treatment tank through flocculation agent dosing pump, flocculation agent pipeline, line mixer successively, and the coagulation preparation facilities communicates with the air supporting treatment tank through coagulating agent dosing pump, coagulating agent pipeline, line mixer successively.
8. air-floating apparatus as claimed in claim 1 or 2, it is characterized in that: the top of described air supporting treatment tank is provided with the waste pipe that communicates with it.
9. air-floating apparatus as claimed in claim 1 or 2 is characterized in that: be provided with the scum silica frost groove that communicates with air supporting treatment tank bottom below the skid framework, the bottom of scum silica frost groove is provided with the slag stock pump.
10. air-floating apparatus as claimed in claim 1 or 2, it is characterized in that: the skid framework is provided with the stair that can lead to ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220486167.XU CN202829649U (en) | 2012-09-21 | 2012-09-21 | Air floatation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220486167.XU CN202829649U (en) | 2012-09-21 | 2012-09-21 | Air floatation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202829649U true CN202829649U (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220486167.XU Expired - Lifetime CN202829649U (en) | 2012-09-21 | 2012-09-21 | Air floatation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202829649U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102826623A (en) * | 2012-09-21 | 2012-12-19 | 中国石油化工股份有限公司 | Air floating device |
-
2012
- 2012-09-21 CN CN201220486167.XU patent/CN202829649U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102826623A (en) * | 2012-09-21 | 2012-12-19 | 中国石油化工股份有限公司 | Air floating device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |
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| CX01 | Expiry of patent term |