CN2666899Y - Apparatus for recovering phenol end ammonia in waste water - Google Patents
Apparatus for recovering phenol end ammonia in waste water Download PDFInfo
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- CN2666899Y CN2666899Y CN 200320129248 CN200320129248U CN2666899Y CN 2666899 Y CN2666899 Y CN 2666899Y CN 200320129248 CN200320129248 CN 200320129248 CN 200320129248 U CN200320129248 U CN 200320129248U CN 2666899 Y CN2666899 Y CN 2666899Y
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Abstract
A device recovering the hydroxybenzene and ammonia in the waste water comprises a rotary disc extraction tower and a dual-function tower; an extractant enters the rotary disc extraction tower from the bottom of the tower; after extracting the ammonia, the extractant flows out of the top of the tower; the waste water with phenol ammonia enters the rotary disc extraction tower from the top of the tower to remove the hydroxybenzene and is then discharged out of the bottom of the tower to enter the dual-function tower; the extractant is discharged out of the top of the tower, the waste water flows out of the bottom of the tower, and the ammonia is extracted from the middle part. The device organically combines the extraction hydroxybenzene-removal process with the recovery process, namely, the recovery of the extractant and the separation of the ammonia are implemented in the same tower, making the whole device have simple structure, shortening the flow, reducing the consumption, and saving the investment.
Description
Technical field
The utility model technology relates to the wastewater treatment equipment in petrochemical complex and the Coal Chemical Industry, particularly relates to a kind of device that is used for reclaiming waste water phenol and ammonia.
Background technology
In the process of preparation town gas and material gas, can produce the waste water that contains phenol, ammonia in a large number, these wastewater toxicities are big, and directly discharging can serious environment pollution.
The current phenol that reclaims from waste water mainly adopts heavy benzol, N
503, N-BUTYL ACETATE, isopropyl ether equal solvent.Wherein heavy benzol, N
503Recovery is to adopt the pulsed extraction, owing to the partition ratio of solvent is little, easily bubbles, and the boiling point height makes that the separating difficulty of solvent and phenol is big, and long flow path consumes high, superseded abroad.Though N-BUTYL ACETATE has the big advantage of solvent partition ratio, but cost an arm and a leg, solubility coefficient is big in water, particularly when having ammonia to exist, can produce side reaction with ammonia, so the consumption of solution is big, in addition, because N-BUTYL ACETATE boiling point height also need carry out in negative pressure system except that using the high pressure steam when separating with phenol, consumes higher.And isopropyl ether is bigger owing to the solvent partition ratio, and solubleness is little in water, does not produce side reaction with ammonia, the solvent loss of handling unit moisture is little, boiling point is low, and advantage such as just can adopt that distillation method is separated under normal pressure becomes present most widely used waste water reclamation phenol extraction solvent.
The isopropyl ether extraction process has modes such as pulse extraction, multistage box counter-current extraction and rotating disk extraction.Pulse extraction efficient is lower; Multi-stage counter current extraction flow process complexity, equipment is more, and energy consumption is higher, and efficient is relevant with progression; Rotating disk extraction procedure and device structure are simple, and efficient is higher.
But this The Application of Technology also only is that isopropyl ether extracting and dephenolizing and two technologies of ammonia still process are simply made up at present.After adopting the isopropyl ether extracting and dephenolizing, in dephenolize waste water, also can be dissolved with 0.2% isopropyl ether, in order to reclaim this isopropyl ether of 0.2%, need special configuration one cover isopropyl ether retrieving arrangement, enter again afterwards independently in the ammonia steaming system, make equipment complexity, device long flow path, energy consumption height, investment is big.
Summary of the invention
The purpose of this utility model provides a kind of isopropyl ether dephenolize and ammonia still process and isopropyl ether can recovery and organically combines in wastewater treatment, technical process is shortened, the device that energy consumption reduces.
Phenol and ammonia device include in the recovery waste water of the present utility model:
A turntable extracting tower;
Include body of the tower, rotation axis, rolling disc and dividing plate, rotation axis is supported by the bracing frame that is installed in the body of the tower bottom, and by the electric motor driving that is fixed on the cat head, be fixed on the dividing plate formation annular space one by one on the body of the tower inwall, a rolling disc that is fixed on the rotation axis is installed between each annular space, composite liberation chamber of the common composition of annular space between adjacent two dividing plates and rolling disc, extraction agent evenly enters the composite liberation chamber from tower bottom by a sparger, contain phenol, the waste water of ammonia enters the composite liberation chamber by a sparger uniformly from cat head, the mixture of extraction agent and phenol flows out from the cat head discharge port, dephenolize waste water by tower at the bottom of discharge port discharge.With,
A difunctional tower;
Form by tower body and overflow column plate, discharge port is communicated with at the bottom of the tower of cat head opening for feed and turntable extracting tower, is provided with the waste water discharge port in the tower body bottom, and the extraction agent vapour outlet is located at the top of tower body, the tower body middle part is provided with ammonia and extracts mouth out, and tower bottom is provided with the steam inlet that thermal source is provided in tower.
Described difunctional tower is divided into two sections again, and the upper semisection diameter is smaller, interior dress cross flow tray, lower semisection slightly larger in diameter, interior dress double overflow column plate.At the nethermost column plate of difunctional tower is the riser tower tray.
The utility model organically combines the recovery technology of extracting and dephenolizing technology and ammonia, being about to be dissolved in the recovery of extraction agent in the waste water and the waste water being separated in the same tower of ammonia finishes, waste water enters from the middle and upper part of difunctional tower, the top is extraction agent and the gas-vapor mix that reclaims, and extracts ammonia vapour out from the middle and lower part of tower.Waste water behind recovery phenol, the ammonia is discharged by tower bottom.Make that the device structure of whole device is simple, technical process is shortened, and consumption indicators such as steam, water, electricity reduce, and reduces and has saved investment.
The design of the special construction of turntable extracting tower has reached extraction phase and has been extracted that mutually height mixes, the reinforcing mass transfer purpose, utilizes the centrifugal force difference of rolling disc to the two-phase generation of different severes, reaches the purpose of high efficiency separation.
Adopt device of the present utility model, the volatile phenol percentage extraction in the waste water reaches 99%, and fixedly the phenol extraction rate reaches more than 40%, and ammonia still process efficient reaches more than 97%.One cubic metre of waste water of every processing, the consumption of extraction agent isopropyl ether is reduced to 0.03kg, and steam consumption is reduced to 0.18 ton.
Description of drawings
Fig. 1 is the synoptic diagram of phenol and ammonia device in the recovery waste water.
Embodiment
As shown in Figure 1, the waste water that contains phenol, ammonia evenly enters by a sparger 2 in the composite liberation chamber 3 at turntable extracting tower top, evenly enters composite liberation chamber 3 from the bottom of turntable extracting tower by a sparger 9 as the isopropyl ether of extraction agent.In turntable extracting tower, constitute fixed annular space one by one by two dividing plates 6 that are fixed on body of the tower 10 inwalls, a rolling disc 5 that is fixed on the rotation axis 4 is arranged in each annular space, annular space that adjacent two dividing plates are 6 and rolling disc 5 are formed a composite liberation chamber 3, the function of existing uniform mixing extraction, the isolating function of two-phase is arranged again, by water and the composite liberation of isopropyl ether in a series of composite liberation chamber, with aqueous phase dissolved phenol extraction to isopropyl ether mutually in.Rotation axis 4 is driven by the motor 1 that is installed in cat head, and drive-motor is subsidiary speed regulator, and the bottom of rotation axis 4 is provided with bracing frame 7.The phenol that extracts and the mixture of isopropyl ether flow out from the discharge port 11 at turntable extracting tower top, and dephenolize waste water is discharged by turntable extracting tower bottom discharge mouth 8.The quantity of turntable extracting tower composite liberation chamber, space size and tower diameter depend on the amount and the characteristic of material handling, and what of composite liberation chamber tower height then depend primarily on.
Through having extracted after the ammonia-containing water behind the phenol discharges from turntable extracting tower, enter tower through a cat head opening for feed that is positioned at difunctional tower middle and upper part, the effect of this difunctional tower is to reclaim to be dissolved in a small amount of extraction agent isopropyl ether in the waste water and to reclaim ammonia from waste water.Difunctional tower is made up of a tower body 21 and some overflow column plates 15,18, tower is a reducing, little bottom, top is big, cross flow tray 18 is installed in the upper column, double overflow column plate 15 is installed in the tower of bottom, and the nethermost column plate of tower body is a riser tower tray 14, also is provided with steam inlet 13 at tower bottom in addition, connecting a steam boiling device, so that thermal source to be provided in tower.The mixture of extraction agent isopropyl ether and steam is overflowed by overhead vapours outlet 20 and is reclaimed isopropyl ether, ammonia is then extracted mouthful 16 extractions out by the ammonia that is positioned at certain piece column plate place on the tower body 21, the waste water that contains minute quantity phenol waste water discharge port 12 at the bottom of the tower flows out, a part directly is disposed to the waste water processing station, some return of waste water mouth 19 that returns through being arranged in top of tower enters tower once more, carries out secondary ammonia still process.The tower diameter of difunctional tower and stage number depend on the amount and the characteristic of material handling.
Claims (3)
1, a kind of device that reclaims phenol and ammonia in the waste water, its characteristics are that described device comprises:
A turntable extracting tower;
Comprise body of the tower (10), rotation axis (4), rolling disc (5) and dividing plate (6), rotation axis (4) is supported by the bracing frame (7) that is installed in body of the tower (10) bottom, and drive by the motor that is fixed on cat head (1), be fixed on dividing plate (6) the formation annular space one by one on body of the tower (10) inwall, a rolling disc (5) that is fixed on the rotation axis (4) is being installed between each annular space, annular space between adjacent two dividing plates (6) and rolling disc (5) are formed a composite liberation chamber (3) jointly, extraction agent evenly enters composite liberation chamber (3) from tower bottom by a sparger (9), contain phenol, ammonia waste water evenly enters composite liberation chamber (3) by a sparger (2) from cat head, the mixture of extraction agent and phenol flows out from cat head discharge port (11), dephenolize waste water by tower at the bottom of discharge port (8) discharge; With,
A difunctional tower;
Form by tower body (21) and overflow column plate (15,18), discharge port (8) is communicated with at the bottom of the tower of cat head opening for feed (17) and turntable extracting tower, be provided with waste water discharge port (12) in tower body (21) bottom, extraction agent vapour outlet (20) is located at the top of tower body (21), tower body (21) middle part is provided with ammonia and extracts mouthful (16) out, and tower bottom is provided with the steam inlet (13) that thermal source is provided in tower.
2, device according to claim 1 is characterized in that difunctional tower is divided into two sections, and the upper semisection diameter is smaller, interior dress cross flow tray (18), lower semisection slightly larger in diameter, interior dress double overflow column plate (15).
3, device according to claim 1 is characterized in that the nethermost column plate of difunctional tower is riser tower tray (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320129248 CN2666899Y (en) | 2003-12-26 | 2003-12-26 | Apparatus for recovering phenol end ammonia in waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320129248 CN2666899Y (en) | 2003-12-26 | 2003-12-26 | Apparatus for recovering phenol end ammonia in waste water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2666899Y true CN2666899Y (en) | 2004-12-29 |
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ID=34349928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320129248 Expired - Lifetime CN2666899Y (en) | 2003-12-26 | 2003-12-26 | Apparatus for recovering phenol end ammonia in waste water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2666899Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105461137A (en) * | 2015-12-19 | 2016-04-06 | 榆林学院 | Efficient pre-treatment device of oily wastewater |
| CN105600980A (en) * | 2015-12-19 | 2016-05-25 | 榆林学院 | Extraction reaction unit for high concentration phenol-containing wastewater |
| CN110156103A (en) * | 2019-06-25 | 2019-08-23 | 河南达新源新材料有限公司 | A kind of Novel stripping tower |
-
2003
- 2003-12-26 CN CN 200320129248 patent/CN2666899Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105461137A (en) * | 2015-12-19 | 2016-04-06 | 榆林学院 | Efficient pre-treatment device of oily wastewater |
| CN105600980A (en) * | 2015-12-19 | 2016-05-25 | 榆林学院 | Extraction reaction unit for high concentration phenol-containing wastewater |
| CN105461137B (en) * | 2015-12-19 | 2017-12-29 | 榆林学院 | A kind of oily waste water highly effective pretreatment apparatus |
| CN105600980B (en) * | 2015-12-19 | 2018-06-01 | 榆林学院 | A kind of extraction reaction unit of high concentration water containing phenol waste water |
| CN110156103A (en) * | 2019-06-25 | 2019-08-23 | 河南达新源新材料有限公司 | A kind of Novel stripping tower |
| CN110156103B (en) * | 2019-06-25 | 2024-06-04 | 河南达新源新材料有限公司 | Novel stripping tower |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: No. 461, South Central Street, hi tech Zone, Shanxi, Taiyuan: 030006 Co-patentee after: Whole Country Coal Chemical Industry Design Technology Center Patentee after: Sai Ding Engineering Co., Ltd. Address before: 22 Kangle street, New South Road, Taiyuan, Shanxi, zip code: 030001 Co-patentee before: Whole Country Coal Chemical Industry Design Technology Center Patentee before: Second Design Institute of chemical industry |
|
| C56 | Change in the name or address of the patentee |
Owner name: SAIDING ENGINEERING CO., LTD. Free format text: FORMER NAME: SECOND DESIGN INSTITUTE OF CHEMICAL INDUSTRY |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20131226 Granted publication date: 20041229 |