CN2521206Y - Jet aspiration airfloat purifier - Google Patents

Jet aspiration airfloat purifier Download PDF

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Publication number
CN2521206Y
CN2521206Y CN 01224942 CN01224942U CN2521206Y CN 2521206 Y CN2521206 Y CN 2521206Y CN 01224942 CN01224942 CN 01224942 CN 01224942 U CN01224942 U CN 01224942U CN 2521206 Y CN2521206 Y CN 2521206Y
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air
injector
housing
chamber
collecting chamber
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CN 01224942
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Chinese (zh)
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郑远扬
文联奎
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Abstract

The utility model relates to a purifier for jet induction air-float, comprising a transverse casing (1). One end of the casing (1) is provided with a water inlet pipe (2), and the inner of the casing (1) is provided with a set of pluralities of air-float separating chambers (5) which are in series connection and jets (8) of which the number is the same as that of the air-float separating chambers (5), and the air-float separating chambers and the jets are in series connection along the direction of one end of the water inlet pipe (2) arranged on a shaft line of the casing, the inner of the casing is also provided with a foam collecting chamber (19), a residue extracting tube (33), a water collecting chamber (29) and a water outlet pipe (30). A main air outlet pipe (14), branch air outlet pipe of air-float chambers (15), a branch air outlet pipe of the foam collecting chamber (20), an air communicating pipe (12) and an air discharge valve (22) are all arranged above the outer portion of the casing (1). The outer portion of the casing (1) is provided with a branch water outlet pipe (32), a circulating water pump (31), a main water inlet pipe of the jet (11), a branch water inlet pipe of the jet (10) and a branch air inlet pipe of the jet (9). The inner of the air-float separating chambers (5) is provided with synergy elements (6) and a foam collecting groove (13) which is communicated with pluralities of the air-float separating chambers (5) which are in series connection. The inner of the water collecting chamber (29) is provided with an adjustable overflow pipe (27).

Description

Spray air-breathing air-float purification machine
The utility model relates to a kind of injector that utilizes and sucks gas, to carry out the device of dissolved air flotation process, belongs to the water treating equipment of heterogeneous liquid-solid and liquid-liquid separation, is used for removing the suspended solid and the water-fast oil phase organism of water.
US 4226706 has proposed the air-breathing air-float purification machine of a kind of like this injection, this machine is made of 4 gas-floating chamber series connection, utilize injector to suck gas, forming bubble and be scattered in the water in gas-floating chamber, is that dispersed oil droplets adheres to and carries come-up secretly and separated with suspended solid in the water and water-fast oil phase organism.This air-float purification machine exists some shortcomings: (1) equipment is a rectangle cell body, between gas-floating chamber and the gas-floating chamber, links to each other by the passage that is positioned at the cell body below, and back-mixing and the short circuit of liquid between gas-floating chamber is serious, has the dead angle in the gas-floating chamber; (2) injector is positioned at gas-floating chamber top, and the injector outlet is downward, and formed gas-liquid mixed stream directly impacts the gas-floating chamber base plate, and the excessive turbulence of gas-floating chamber liquid is difficult to form foam scum layer relatively stably on liquid level; (3) bubble is relatively large, and suspended solid and dispersed oil droplets collision contact efficiency is low in bubble and the water; (4) collection foam dreg removing system complex structure, serviceability is poor; (5) can not under airtight and pressure condition, operate; All these separation efficiencies that make this spray air-breathing air-float purification machine are relatively low, and application is restricted.
The purpose of this utility model is to overcome the shortcoming of the air-breathing air-float purification machine of above-mentioned injection, provide a kind of and can prevent back-mixing and the short circuit of liquid between gas-floating chamber, can suppress the generation of air pocket, can promote that the flocculation of tiny solid suspended substance and oil droplet is coalescent, can improve effectively that suspended solid and dispersed oil droplets fully collide the chance that contacts in bubble and the water, can under air tight condition or pressure, operate, or use non-air gas to operate, can form foam scum layer relatively stably, and do not have a collection foam system of complex structure and can collect the foam deslagging automatically, suspended solid in the water and the high high effective sealing of dispersed oil droplets removal efficiency are sprayed air-breathing air-float purification machine.
Of the present utility modelly a kind ofly spray air-breathing air-float purification machine and comprise that the cross section is the horizontal type shell (1) of garden shape, one end of housing (1) is provided with water inlet pipe (2), in housing (1), along housing (1) axis water inlet pipe (2) one extreme directions one group of placed in-line several air flotation separating chamber (5) and the injector (8) identical with air flotation separating chamber (5) quantity are set in proper order, and foam collecting chamber (19), scum pipe (33), collecting chamber (29), water shoot (30), in housing (1), in one group of placed in-line several air flotation separating chamber (5) top, be provided with collection foam groove (13); It is characterized in that: described order is provided with one group of placed in-line air flotation separating chamber (5) and is made of dividing plate (3) and the formed space of air flotation separating chamber rear bulkhead (4) before the air flotation separating chamber that is provided with in the housing (1); Described injector (8) vertically is installed on each air flotation separating chamber (5) central axial line place, and injector (8) entrance end is positioned at outside housing (1) bottom, and injector (8) outlet upwards is positioned at air flotation separating chamber (5); Described order is provided with one group of placed in-line air flotation separating chamber (5), on injector (8) outlet top, is provided with reinforcing member (6); Described collection foam groove (13), be positioned at housing (1) top, and run through all placed in-line several air flotation separating chambers (5), lean on described foam collecting chamber (19) one sides at collection foam groove (13), be provided with communicating pipe (18), by described collection foam groove (13), communicating pipe (18) and foam collecting chamber (19), realize the collection of scum silica frost; Described collecting chamber (29) is provided with adjustable upflow tube (27), in order to the interior liquid level of regulating and controlling housing (1);
Described one group of several air flotation separating chamber (5) of connecting that is provided with in proper order along housing (1) axis direction in housing (1), its quantity are 2-8;
Described one group of placed in-line several air flotation separating chamber all are identical, is that air flotation separating chamber (5) is illustrated to one now: described air flotation separating chamber (5) is made of the space between dividing plate (3) perpendicular to housing (1) axis and before being fixed in the gas-floating chamber of housing (1) inwall and the gas-floating chamber rear bulkhead (4), is provided with injector (8), reinforcing member (6) and collects foam groove (13) in air flotation separating chamber (5);
Described air flotation separating chamber (5) is characterized in that: dividing plate (3) before the described gas-floating chamber, and arcuate indentation is arranged at the bottom, forms underflow stream passage (7) in housing (1); Described gas-floating chamber rear bulkhead (4), arcuate indentation is arranged at top, forms to go up overflow ducts (16) in housing (1); Liquid enters air flotation separating chamber (5) by underflow stream passage (7), leaves air flotation separating chamber (5) by last overflow ducts (16), thereby has effectively prevented back-mixing and the short circuit of liquid between adjacent air flotation separating chamber;
The injector (8) that is provided with in the described air flotation separating chamber (5), it is characterized in that: described injector (8) vertically is installed on the central axial line place of air flotation separating chamber (5), the import of injector (8) is outside housing (1) bottom, injector (8) outlet is upwards in air flotation separating chamber (5), injector (8) outlet top is mounted with baffle plate (42), between described baffle plate (42) and injector (8) outlet, form circular channel (41), the gas-liquid mixture that injector (8) is introduced enters air flotation separating chamber (5) by described circular channel (41), issuable excessive turbulence when having prevented effectively that gas-liquid mixture from entering air flotation separating chamber (5);
The reinforcing member (6) that is provided with in the described air flotation separating chamber (5) is characterized in that: described reinforcing member (6), for device on air flotation separating chamber (5) inner support (43) dumped packing or structured packing in a kind of; Described dumped packing can be a kind of in Pall ring that specified size is the 5-50 millimeter, cascade ring, the Intalox saddle packing; Described structured packing can be a kind of in corrugated wire gauze packing that specified size is the 5-30 millimeter, the Mellapak packing;
The reinforcing member (6) that is provided with in the described air flotation separating chamber (5) is characterized in that: a kind of manufacturing in described reinforcing member (6) available metal, plastics, pottery and the glass reinforced resin;
The foam collecting chamber (19) that is provided with in the air-breathing air-float purification machine of described injection, it is characterized in that: described foam collecting chamber (19), by dividing plate (17), foam collecting chamber rear bulkhead (21) perpendicular to housing (1) axis and before being fixed in foam collecting chamber in the housing (1) and be parallel to housing (1) axis and be fixed in that base spacer (34) in the housing (1) surrounded the space constituted; Scum pipe (33) one ends are connected in base spacer (34), and an end is positioned at the outside below of housing (1); Pass the preceding dividing plate (17) of foam collecting chamber described communicating pipe (18), one end links to each other with described collection foam groove (13), the opening of the other end is positioned at foam collecting chamber (19), with foam scum silica frost that bubble entrained solids suspended substance and oil droplet buoyance lift are formed by described collection foam groove (13) centralized collection in described foam collecting chamber (19), and discharge through described scum pipe (33);
The collecting chamber (29) that is provided with in the air-breathing air-float purification machine of described injection is characterized in that: described collecting chamber (29) is made of the space that end socket surrounded of foam collecting chamber rear bulkhead (21) with base spacer (34) and housing (1); Described collecting chamber (29) receives one group of placed in-line several air flotation separating chamber (5) dissolved air flotation processing through housing (1) in, has removed the purifying treatment water of suspended solid and dispersed oil droplets by the passage that catchments (35), and discharges through described water shoot (30); Be provided with header (28) and adjustable upflow tube (27) in the described collecting chamber (29) perpendicular to housing (1) axis;
The adjustable upflow tube (27) that is provided with in the air-breathing air-float purification machine of the described injection collecting chamber (29), it is characterized in that: described adjustable upflow tube (27) upper end open is mounted with cross frame (26), on cross frame (26), be fixed with screw rod (25), be fixed with nut (24) on housing (1) top over against header (28) axis place, screw rod (25) lower end and cross frame (26) are fixing, nut (24) is passed on screw rod (25) top, and be provided with handwheel (23) in screw rod (25) upper end, rotate handwheel (23), by moving up and down of screw rod (25), regulate adjustable upflow tube (27) upper end open height, thereby regulate the interior liquid level of control air flotation separating chamber (5); Described adjustable upflow tube (27), the regulation range of its upper end open height be 10-600 milli not; Described adjustable upflow tube (27) also can adopt automatic control device to regulate its upper end open height;
The air-breathing air-float purification machine of described injection is characterized in that: have gas-floating chamber exhaust branch pipe (15), foam collecting chamber exhaust branch pipe (20), exhaust to be responsible for (14), air communicating pipe (12), injector air intake branch (9) and vent valve (22) in described housing (1) outer setting; Described gas-floating chamber exhaust branch pipe (15) is communicated with each air flotation separating chamber (5) and is responsible for (14) with exhaust, described foam collecting chamber exhaust branch pipe (20) is communicated with foam collecting chamber (19) and is responsible for (14) with exhaust, described exhaust is responsible for (14) one ends and is communicated with air communicating pipe (12), the other end is communicated with vent valve (22), the other end of described air communicating pipe (12) is communicated with injector air intake branch (9), forms the gas-circulating system of spraying air-breathing air-float purification machine; Described vent valve (22) can communicate with atmosphere, also can communicate with the non-air source of the gas; Described non-air source of the gas can be a kind of in nitrogen, the Sweet natural gas;
The air-breathing air-float purification machine of described injection is characterized in that: have exit branch (32), water circulating pump (31), injector water inlet to be responsible for (11) and injector water inlet arm (10) in described housing (1) outer setting; Exit branch (32) one ends are communicated with described water shoot (30), one end is communicated with water circulating pump (31) import, water circulating pump (31) outlet is responsible for (11) and injector water inlet arm (10) by the injector water inlet, be communicated with described injector (8), form the recycle system of injector (8) working liquid.
The air-breathing air-float purification machine of a kind of injection of the utility model preferred version is described below in conjunction with accompanying drawing; It does not limit the utility model, and right of the present utility model and scope are determined by follow-up claim;
Fig. 1 is the front view of the air-breathing air-float purification machine of injection of the present utility model;
Fig. 2 is the A-A sectional view of Fig. 1;
Referring to Fig. 1 and Fig. 2, identical component the same generation labelled notation among this two figure, code name is expressed as respectively among the figure: (1) housing, (2) dividing plate before the water inlet pipe, (3) gas-floating chamber, (4) gas-floating chamber rear bulkhead, (5) air flotation separating chamber, (6) reinforcing member, (7) underflow stream passage, (8) injector, (9) injector air intake branch, (10) injector water inlet arm, (11) the injector water inlet is responsible for, (12) air communicating pipe, (13) collection foam groove, (14) exhaust is responsible for, (15) gas-floating chamber exhaust branch pipe, (16) go up overflow ducts, dividing plate before (17) foam collecting chamber, (18) communicating pipe, (19) foam collecting chamber, (20) foam collecting chamber exhaust branch pipe, (21) foam collecting chamber rear bulkhead, (22) vent valve, (23) handwheel, (24) nut, (25) screw rod, (26) cross frame, (27) adjustable upflow tube, (28) header, (29) collecting chamber, (30) water shoot, (31) water circulating pump, (32) exit branch, (33) scum pipe, (34) base spacer, (35) passage that catchments, (36) trunnion, (37) nozzle, (38) Taper Pipe, (39) chamber, (40) diffuser tube, (41) circular channel, (42) baffle plate, (43) support;
Operating process is as follows: contain the sewage of solid suspension and dispersed oil droplets or former water through advancing Water pipe (2) enters the housing (1) that sprays aspiration airfloat purifier, is advanced by underflow stream passage (7) Enter air flotation separating chamber (5), leave this air flotation separating chamber (5) by overflow passage (16) again, and Pass through in proper order the interior a plurality of air flotation separating chambers (5) of connecting of housing (1) by this same way as, like this Short circuit and air-teturning mixed phenomenon when just having prevented processed water process air flotation separating chamber (5); Process The repeatedly dissolved air flotation process of corresponding number of times is taken off the solid suspension in the water and dispersed oil droplets Remove, enter collector pipe (28) finally by the passage that catchments (35), again by collector pipe (28), adjustable Overflow pipe (27) flows into collecting chamber (29), is discharged by drainpipe (30);
Rotate handwheel (23), drive screw rod (25) and move up and down, can regulate adjustable overflow pipe (27) the residing height and position of upper opening and since adjustable overflow pipe (27) by collector pipe ( 28), the passage that catchments (35) is communicated with air flotation separating chamber (5), by adjustable overflow pipe (27) top The residing height and position of opening can be controlled the quiet liquid of each air flotation separating chamber (5) in the housing (1) Highly, make the interior liquid level of air flotation separating chamber (5) top that certain gas compartment be arranged, and make liquid level The scum overflow at top enters collection foam groove (13), and discharges via foam collecting chamber (19);
By the purified treatment water that drainpipe (30) is discharged, draw one one by exit branch (32) Divide, enter water circulating pump (31) pressurization, as the working fluid of injector (8), by circulation Water pump (31) outlet enters through injector water inlet supervisor (11), injector water inlet pipe (10) Injector Taper Pipe (38) locates to form high-velocity flow at nozzle (37), thereby with dissolved air flotation institute Need gas to be sucked into trunnion (36) and diffusion by injector air intake branch (9) via chamber (39) In the pipe (40), form the biphase gas and liquid flow of carrying bubble in the liquid secretly, by under the baffle plate (42) Circular passage (41) is not directly upwards being clashed into liquid, can not formed the situation of excessive turbulence Lower, Uniform Dispersion enters in the water processed in the air flotation separating chamber (5);
Enter the gas-liquid two of air flotation separating chamber (5) via circular passage (41) by injector (8) Mutually stream, form a large amount of bubbles air flotation separating chamber (5) in and processed water in Solid Suspension Thing collides with dispersed oil droplets and contacts, and the solid suspension in the water and dispersed oil droplets are adhered to Carry secretly and float; The bubble that adheres to entrained solids suspension and dispersed oil droplets rises to the air supporting branch The scum layer is formed on (5) water body top from the chamber, and overflow enters collection foam groove (13), again warp By communicating pipe (18), enter foam collecting chamber (19); By isolated solid suspension and branch in the water The oil droplet that looses is discharged by the scum pipe (33) of foam collecting chamber (19) below with the form of scum silica frost;
Device reinforcing member (6) has the effect of following several respects: make in the air flotation separating chamber (5) The bubble that the gas that is sucked by injector (8) forms with as far as possible little diameter, evenly divides Loose in water body; Connecing of solid suspension in increase bubble and the processed water and dispersed oil droplets Touch collision opportunity; The flocculation of promotion tiny solid suspension and oil droplet and coalescent forms bigger Solid flocculation particle and the oil droplet of particle diameter increase bubble adhesion entrained solids suspension and oil droplet The probability of come-up; Reduce liquid in the air flotation separating chamber (5) in the bubble floating process excessively Turbulent perturbation so that the interior liquid top of air flotation separating chamber (5) can keep one metastable The scum layer;
The scum overflow of the interior liquid top of air flotation separating chamber (5) enters collection foam groove (13) also Enter in the process of foam collecting chamber (19) through communicating pipe (18), bubble breaks successively, emergent gas The sky of scum silica frost top in the space of liquid top and the foam collecting chamber (19) in air flotation separating chamber (5) Between, via gas-floating chamber exhaust branch pipe (15) and foam collecting chamber exhaust branch pipe (20), enter exhaust main Pipe (14) again by air communicating pipe (12), returns injector (8), shape through air intake branch (9) The gas circulation that becomes to spray aspiration airfloat purifier; Air bleeding valve (22) act as the control housing (1) operating pressure in; As be air air supporting atmospheric operation, then air bleeding valve (22) is opened, The space of the space of air flotation separating chamber (5) liquid top and foam collecting chamber (19) scum silica frost top all with Atmosphere communicates; Need to adopt non-air gas to carry out dissolved air flotation such as processed water and purify, Then air bleeding valve (22) and non-air source of the gas such as nitrogen or natural air-air source are connected;
By the air flotation separating chamber (5) of several series connection, the solid suspension in the water and dispersed oil Drip and be removed purifying waste water by last gas after the processing through repeatedly dissolved air flotation process The overflow passage (16) of floating separation chamber (5) via the passage that catchments (35), enters collector pipe (28), again by adjustable overflow pipe (27), overflow enters collecting chamber (29), by drainpipe (30) Discharge, finish the dissolved air flotation purification process of sewage.
Embodiment 1
The following a kind of actual motion measured data of spraying air-breathing air-float purification machine that is used for China XX province XX Oilfield using for the utility model: wherein, spray 1000 millimeters of the diameters of air-breathing air-float purification machine, 4500 millimeters of length, placed in-line air flotation separating chamber number is 4, the sewage of handling is the oil field oil-containing recovered water, treatment capacity 10-18 rice 3In/time, import water oil-containing 200-500 mg/litre goes out saliva oil-containing 30-70 mg/litre, and de-oiling efficient is greater than 85%.
Documents is as follows
CN2127711,CN2112682,CN2130809Y,CN86200952U,
US4226706;

Claims (10)

1. one kind is sprayed air-breathing air-float purification machine, comprise that the cross section is the horizontal type shell (1) of garden shape, one end of housing (1) is provided with water inlet pipe (2), in housing (1), the injector (8) of one group of placed in-line several air flotation separating chamber (5) and same number is set in proper order along housing (1) axis water inlet pipe (2) one extreme directions, and foam collecting chamber (19), scum pipe (33), collecting chamber (29) and water shoot (30), in housing (1), in one group of placed in-line several air flotation separating chamber (5) top, be provided with collection foam groove (13); It is characterized in that: described order is provided with one group of placed in-line air flotation separating chamber (5) and is made of dividing plate (3) and the formed space of air flotation separating chamber rear bulkhead (4) before the air flotation separating chamber that is provided with in the housing (1); Described injector (8) vertically is installed on the central axial line place of each air flotation separating chamber (5), and injector (8) entrance end is positioned at outside housing (1) bottom, and injector (8) outlet upwards is positioned at air flotation separating chamber (5); Described order is provided with one group of placed in-line air flotation separating chamber (5), on injector (8) outlet top, is provided with reinforcing member (6); Described collection foam groove (13), be positioned at housing (1) top, and run through all placed in-line several air flotation separating chambers (5), lean on foam collecting chamber (19) one sides at collection foam groove (13), be provided with communicating pipe (18), by described collection foam groove (13), communicating pipe (18) and foam collecting chamber (19), realize the scum silica frost collection; Described collecting chamber (29) is provided with adjustable upflow tube (27), in order to the interior liquid level of regulating and controlling housing (1); Described order is provided with one group of placed in-line air flotation separating chamber (5), and its quantity is 2-8;
2. the air-breathing air-float purification machine of injection according to claim 1 is characterized in that: dividing plate (3) before the described gas-floating chamber, and arcuate indentation is arranged at the bottom, forms underflow stream passage (7) in housing (1); Described gas-floating chamber rear bulkhead (4), arcuate indentation is arranged at top, forms to go up overflow ducts (16) in housing (1); Liquid enters described air flotation separating chamber (5) by underflow stream passage (7), leaves described air flotation separating chamber (5) by last overflow ducts (16);
3. the air-breathing air-float purification machine of injection according to claim 1, it is characterized in that: described injector (8) vertically is installed on the central axial line place of air flotation separating chamber (5), the import of injector (8) is outside housing (1) bottom, injector (8) outlet is upwards in air flotation separating chamber (5), injector (8) outlet top is mounted with baffle plate (42), form circular channel (41) between described baffle plate (42) and injector (8) outlet, the gas-liquid mixture that injector (8) is introduced enters air flotation separating chamber (5) by described circular channel (41);
4. the air-breathing air-float purification machine of injection according to claim 1 is characterized in that: described reinforcing member (6), a kind of in the dumped packing of device on air flotation separating chamber (5) inner support (43) or the structured packing; Described dumped packing can be a kind of in Pall ring that specified size is the 5-50 millimeter, cascade ring, the Intalox saddle packing; Described structured packing can be a kind of in corrugated wire gauze packing that specified size is the 5-30 millimeter, the Mellapak packing;
5. according to claim 1 or the air-breathing air-float purification machine of 4 described injections, it is characterized in that: a kind of manufacturing in described reinforcing member (6) available metal, plastics, pottery and the glass reinforced resin;
6. the air-breathing air-float purification machine of injection according to claim 1, it is characterized in that: described foam collecting chamber (19), by perpendicular to housing (1) axis and be fixed in dividing plate (17), foam collecting chamber rear bulkhead (21) before the intravital foam collecting chamber of shell and be parallel to housing (1) axis and be fixed in that the intravital base spacer of shell (34) surrounded the space constituted; Described scum pipe (33) one ends are connected in base spacer (34), and an end is positioned at the outside below of housing (1); Pass the preceding dividing plate (17) of foam collecting chamber communicating pipe (18), an end links to each other with collection foam groove (13), and the opening of the other end is positioned at foam collecting chamber (19);
7. the air-breathing air-float purification machine of injection according to claim 1 is characterized in that: described collecting chamber (29) is made of the space that end socket surrounded of foam collecting chamber rear bulkhead (21) with base spacer (34) and housing (1); Be provided with header (28) and adjustable upflow tube (27) in the described collecting chamber (29) perpendicular to housing (1) axis;
8. according to claim 1 or the air-breathing air-float purification machine of 7 described injections, it is characterized in that: described adjustable upflow tube (27) upper end open is mounted with cross frame (26), on cross frame (26), be fixed with screw rod (25), be fixed with nut (24) on housing (1) top over against header (28) axis place, screw rod (25) lower end and cross frame (26) are fixing, nut (24) is passed on screw rod (25) top, and be provided with handwheel (23) in screw rod (25) upper end, rotate handwheel (23), by moving up and down of screw rod (25), regulate adjustable upflow tube (27) upper end open height, thereby regulate the control interior air flotation separating chamber of housing (1) (5) liquid level; Described adjustable upflow tube (27), the regulation range of its upper end open height be 10-600 milli not; Described adjustable upflow tube (27) also can adopt automatic control device to regulate its upper end open height;
9. the air-breathing air-float purification machine of injection according to claim 1 is characterized in that: described housing (1) outer setting has gas-floating chamber exhaust branch pipe (15), foam collecting chamber exhaust branch pipe (20), exhaust to be responsible for (14), air communicating pipe (12), injector air intake branch (9) and vent valve (22); Described gas-floating chamber exhaust branch pipe (15) is communicated with each air flotation separating chamber (5) and is responsible for (14) with exhaust, described foam collecting chamber exhaust branch pipe (20) is communicated with foam collecting chamber (19) and is responsible for (14) with exhaust, described exhaust is responsible for (14) one ends and is communicated with air communicating pipe (12), the other end is communicated with vent valve (22), the other end of described air communicating pipe (12) is communicated with injector air intake branch (9), forms the gas-circulating system of spraying air-breathing air-float purification machine; Described vent valve (22) can communicate with atmosphere, also can communicate with the non-air source of the gas; Described non-air source of the gas can be a kind of in nitrogen, the Sweet natural gas;
10. the air-breathing air-float purification machine of injection according to claim 1 is characterized in that: described housing (1) outer setting has exit branch (32), water circulating pump (31), injector water inlet to be responsible for (11) and injector water inlet arm (10); Described exit branch (32) one ends are communicated with described water shoot (30), one end is communicated with water circulating pump (31) import, water circulating pump (31) outlet is responsible for (11) and injector water inlet arm (10) by the injector water inlet, be communicated with described injector (8), form the recycle system of injector (8) working liquid.
CN 01224942 2001-06-04 2001-06-04 Jet aspiration airfloat purifier Expired - Fee Related CN2521206Y (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102405192A (en) * 2009-04-23 2012-04-04 曹方 Method and apparatus for skimming floated sludge
CN104649353A (en) * 2015-02-02 2015-05-27 中国海洋石油总公司 Vacuum-distillation seawater desalinating device and seawater desalinating method thereof
CN108298628A (en) * 2018-04-04 2018-07-20 赵金东 A kind of energy-saving and environment-friendly air floatation machine device
CN112759022A (en) * 2020-12-31 2021-05-07 上海蓝科石化环保科技股份有限公司 Closed air floatation device and air floatation method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102405192A (en) * 2009-04-23 2012-04-04 曹方 Method and apparatus for skimming floated sludge
CN104649353A (en) * 2015-02-02 2015-05-27 中国海洋石油总公司 Vacuum-distillation seawater desalinating device and seawater desalinating method thereof
CN108298628A (en) * 2018-04-04 2018-07-20 赵金东 A kind of energy-saving and environment-friendly air floatation machine device
CN112759022A (en) * 2020-12-31 2021-05-07 上海蓝科石化环保科技股份有限公司 Closed air floatation device and air floatation method

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