CN111790281A - Ammonia water and alkali adding mixer - Google Patents
Ammonia water and alkali adding mixer Download PDFInfo
- Publication number
- CN111790281A CN111790281A CN202010656739.3A CN202010656739A CN111790281A CN 111790281 A CN111790281 A CN 111790281A CN 202010656739 A CN202010656739 A CN 202010656739A CN 111790281 A CN111790281 A CN 111790281A
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- CN
- China
- Prior art keywords
- inlet section
- ammonia water
- section
- water inlet
- alkali liquor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
- B01F23/45—Mixing liquids with liquids; Emulsifying using flow mixing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
- B01F23/45—Mixing liquids with liquids; Emulsifying using flow mixing
- B01F23/451—Mixing liquids with liquids; Emulsifying using flow mixing by injecting one liquid into another
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
- B01F23/45—Mixing liquids with liquids; Emulsifying using flow mixing
- B01F23/453—Mixing liquids with liquids; Emulsifying using flow mixing by moving the liquids in countercurrent
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/314—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit
- B01F25/3141—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit with additional mixing means other than injector mixers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/314—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit
- B01F25/3143—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit characterised by the specific design of the injector
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/40—Static mixers
- B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
- B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
- B01F25/431—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
- B01F25/4314—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor with helical baffles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/40—Static mixers
- B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
- B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
- B01F25/433—Mixing tubes wherein the shape of the tube influences the mixing, e.g. mixing tubes with varying cross-section or provided with inwardly extending profiles
- B01F25/4334—Mixers with a converging cross-section
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/2204—Mixing chemical components in generals in order to improve chemical treatment or reactions, independently from the specific application
Abstract
The invention relates to the technical field of coking mixers, in particular to an ammonia water and alkali adding mixer. Comprises an ammonia water inlet section, an alkali liquor inlet section and a mixing section; the ammonia water inlet section is connected with the alkali liquor inlet section, and the alkali liquor inlet section is connected with the mixing section; the ammonia water inlet section comprises an ammonia water inlet section pipe body and a seal head connected with the ammonia water inlet section pipe body, and spiral jet-shaped openings are formed in the connection part of the tail end of the ammonia water inlet section pipe body and the seal head; the alkali liquor inlet section comprises an alkali liquor inlet section pipe body and a spiral sheet, and the spiral sheet is fixedly connected to the outer pipe wall of the ammonia water inlet section pipe body; the spiral jet-shaped opening is opposite to the spiral direction of the spiral sheet. And residual ammonia water is sprayed through the spiral spraying type opening of the mixer, the flow rate is accelerated, and the residual ammonia water and NaOH solution entering along the spiral piece are sprayed reversely to decompose and fix ammonium salt and be uniformly mixed. The mixing section is a conical section, the mixing space is a conical section, the space is small, the flow speed is high, and the blockage is reduced. The ammonia water inlet section and the alkali liquor inlet section are connected through flange bolts, so that the ammonia water inlet section is convenient to disassemble and easy to overhaul.
Description
Technical Field
The invention relates to the technical field of coking mixers, in particular to an ammonia water and alkali adding mixer.
Background
The national requirements on the indexes of the coking wastewater are increasingly strict, and the residual ammonia water accounts for about 60 percent of the total amount of the wastewater of coking enterprises. The residual ammonia water is industrial wastewater which has complex components, high toxicity and difficult degradation, and mainly comprises free ammonia and fixed ammonium. The ammonia still system is an indispensable link for treating the residual ammonia water, the long-term stable operation of the ammonia still and the qualification of the indexes of the wastewater at the bottom of the ammonia still are inseparable with the addition amount and the uniform mixing degree of the liquid caustic soda, the non-uniform mixing of the liquid caustic soda and the residual ammonia water can directly influence the operation efficiency of the ammonia still, the ammonia nitrogen content of the ammonia still wastewater exceeds the standard, and the impact is caused to a coking wastewater biochemical treatment system.
At present, in the coking industry, residual ammonia water is generally used for ammonia distillation, and NaOH solution is added into a residual ammonia water inlet through a mixer to decompose and fix ammonium salt. The existing mixer has the defect of uneven mixing, so that excessive liquid caustic soda enters the ammonia still to react with calcium and magnesium ions in ammonia water to generate precipitates, block tower plates and influence the long-term stable operation of the ammonia still.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an ammonia water and alkali adding mixer. So that NaOH and the residual ammonia water are uniformly mixed, the tower plate is prevented from being blocked, and the stable operation of the ammonia still is ensured.
In order to achieve the purpose, the invention adopts the following technical scheme:
an ammonia water alkali-adding mixer comprises an ammonia water inlet section, an alkali liquor inlet section and a mixing section; the ammonia water inlet section is connected with the alkali liquor inlet section, and the alkali liquor inlet section is connected with the mixing section; the ammonia water inlet section comprises an ammonia water inlet section pipe body and a seal head connected with the ammonia water inlet section pipe body, and spiral jet-shaped openings are formed in the connection part of the tail end of the ammonia water inlet section pipe body and the seal head; the alkali liquor inlet section comprises an alkali liquor inlet section pipe body and a spiral sheet, and the spiral sheet is fixedly connected to the outer pipe wall of the ammonia water inlet section pipe body; the spiral jet-shaped opening is opposite to the spiral direction of the spiral sheet.
The ammonia water inlet section comprises an ammonia water inlet section flange, an ammonia water inlet section flange cover, an ammonia water inlet section pipe body and an end enclosure; ammonia water inlet section flange links to each other with ammonia water inlet section body one end, and the ammonia water inlet section body other end links to each other with the head, and ammonia water inlet section flange cover rigid coupling is on the outer pipe wall of ammonia water inlet section body.
The seal head is a spherical seal head or an elliptical seal head or a conical seal head.
The alkali liquor inlet section comprises an alkali liquor inlet section flange, an alkali liquor inlet section flange cover, an alkali liquor inlet section inlet pipe, an alkali liquor inlet section pipe body and a spiral sheet; the alkali lye inlet section flange links to each other with alkali lye inlet section inlet tube, and alkali lye inlet section inlet tube links to each other with the pipe wall of alkali lye inlet section body, and alkali lye inlet section flange cover rigid coupling is in the one end of alkali lye inlet section body, and the other end of alkali lye inlet section body links to each other with the mixing section.
And the ammonia water inlet section flange cover is connected with the alkali liquor inlet section flange cover through bolts.
The mixing section comprises a conical section, a straight section and a mixing section flange; the conical section is a conical pipe, the straight section is a straight pipe, one end of the conical section is connected with the alkali liquor inlet section pipe body, the other end of the conical section is connected with the straight section, and the straight section is connected with the mixing section flange.
The ammonia water inlet section pipe body and the alkali liquor inlet section pipe body are both made of seamless steel pipes.
Compared with the prior art, the invention has the beneficial effects that:
1) the spiral jet-shaped openings are formed in the connecting part of the tail end of the ammonia water inlet section pipe body and the end socket, the spiral sheet is fixedly connected to the outer pipe wall of the ammonia water inlet section pipe body, and the spiral direction of the spiral jet-shaped openings is opposite to that of the spiral sheet;
and residual ammonia water is sprayed through the spiral spraying type opening of the mixer, the flow rate is accelerated, and the residual ammonia water and NaOH solution entering along the spiral piece are sprayed reversely to decompose and fix ammonium salt and be uniformly mixed.
2) The mixing section is a conical section, the mixing space is a conical section, the space is small, the flow speed is high, and the blockage is reduced.
3) The ammonia water inlet section and the alkali liquor inlet section are connected through flange bolts, so that the ammonia water inlet section is convenient to disassemble and easy to overhaul.
Drawings
FIG. 1 is a schematic diagram of the present invention.
In the figure: 1-ammonia water inlet section flange 2-ammonia water inlet section flange cover 3-ammonia water inlet section pipe body 4-end enclosure 5-spiral sheet 6-alkali liquor inlet section flange 7-alkali liquor inlet section inlet pipe 8-alkali liquor inlet section pipe body 9-alkali liquor inlet section flange cover 10-conical section 11-straight section 12-mixing section flange
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
as shown in figure 1, an ammonia-alkali mixer comprises an ammonia inlet section, an alkali liquor inlet section and a mixing section.
The aqueous ammonia inlet section includes aqueous ammonia inlet section flange 1, aqueous ammonia inlet section flange cover 2, aqueous ammonia inlet section body 3 and head 4. Ammonia water inlet section body 3 adopts seamless steel pipe preparation, and 1 welding of ammonia water inlet section flange is in the one end of ammonia water inlet section body 3, and 3 other ends of ammonia water inlet section body link to each other with head 4, and 2 welding of ammonia water inlet section flange lids are on the outer pipe wall of ammonia water inlet section body 3. The end socket 4 is a spherical end socket or an elliptical end socket or a conical end socket. The connection part of the tail end of the ammonia water inlet section pipe body 3 and the seal head 4 are both provided with spiral jet-shaped openings.
The alkali liquor inlet section comprises an alkali liquor inlet section flange 6, an alkali liquor inlet section flange cover 9, an alkali liquor inlet section inlet pipe 7, an alkali liquor inlet section pipe body 8 and a spiral sheet 5. Alkali lye inlet section inlet tube 7 all adopts seamless steel pipe preparation with alkali lye inlet section body 8, and alkali lye inlet section flange 6 links to each other with 7 one end of alkali lye inlet section inlet tube, and the 7 other end of alkali lye inlet section inlet tube links to each other with the pipe wall of alkali lye inlet section body 8 to communicate with it, 9 welding of alkali lye inlet section flange cover are in the one end of alkali lye inlet section body 8, and the other end of alkali lye inlet section body 8 links to each other with the mixing section.
The helical fin 5 is welded on the outer wall of the ammonia water inlet section pipe body 3, and the tail end of the ammonia water inlet section pipe body 3 is opposite to the spiral spraying-shaped hole of the seal head 4 and the spiral direction of the helical fin 5.
Ammonia water inlet section flange cover 2 passes through the bolt with alkali lye inlet section flange cover 9 and links to each other, and then is connected ammonia water inlet section and alkali lye inlet section, and it is convenient to dismantle, easily overhauls.
The mixing section comprises a conical section 10, a straight section 11 and a mixing section flange 12. The conical section 10 is a conical pipe, the straight section 11 is a straight pipe, one end of the conical section 10 is connected with the alkali liquor inlet section pipe body 8, the other end of the conical section is connected with the straight section 11, and the straight section 11 is connected with the mixing section flange 12.
The residual ammonia water is sprayed through the spiral spray-shaped opening of the mixer, the flow rate is accelerated, and the residual ammonia water and NaOH solution entering along the spiral piece 5 are sprayed reversely to decompose and fix ammonium salt, and the ammonium salt is uniformly mixed. The main part of the mixing section is a conical section 10, the mixing space is a conical section, the space is small, the flow speed is high, and the blockage is reduced. The ammonia water inlet section and the alkali liquor inlet section are connected through flange bolts, so that the ammonia water inlet section is convenient to disassemble and easy to overhaul.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides an aqueous ammonia adds alkali blender which characterized in that: comprises an ammonia water inlet section, an alkali liquor inlet section and a mixing section; the ammonia water inlet section is connected with the alkali liquor inlet section, and the alkali liquor inlet section is connected with the mixing section; the ammonia water inlet section comprises an ammonia water inlet section pipe body and a seal head connected with the ammonia water inlet section pipe body, and spiral jet-shaped openings are formed in the connection part of the tail end of the ammonia water inlet section pipe body and the seal head; the alkali liquor inlet section comprises an alkali liquor inlet section pipe body and a spiral sheet, and the spiral sheet is fixedly connected to the outer pipe wall of the ammonia water inlet section pipe body; the spiral jet-shaped opening is opposite to the spiral direction of the spiral sheet.
2. The mixer of claim 1, wherein: the ammonia water inlet section comprises an ammonia water inlet section flange, an ammonia water inlet section flange cover, an ammonia water inlet section pipe body and an end enclosure; ammonia water inlet section flange links to each other with ammonia water inlet section body one end, and the ammonia water inlet section body other end links to each other with the head, and ammonia water inlet section flange cover rigid coupling is on the outer pipe wall of ammonia water inlet section body.
3. The mixer of claim 1, wherein: the seal head is a spherical seal head or an elliptical seal head or a conical seal head.
4. The mixer of claim 1, wherein: the alkali liquor inlet section comprises an alkali liquor inlet section flange, an alkali liquor inlet section flange cover, an alkali liquor inlet section inlet pipe, an alkali liquor inlet section pipe body and a spiral sheet; the alkali lye inlet section flange links to each other with alkali lye inlet section inlet tube, and alkali lye inlet section inlet tube links to each other with the pipe wall of alkali lye inlet section body, and alkali lye inlet section flange cover rigid coupling is in the one end of alkali lye inlet section body, and the other end of alkali lye inlet section body links to each other with the mixing section.
5. An aqueous ammonia plus base mixer as claimed in claim 2 or 4, wherein: and the ammonia water inlet section flange cover is connected with the alkali liquor inlet section flange cover through bolts.
6. The mixer of claim 1, wherein: the mixing section comprises a conical section, a straight section and a mixing section flange; the conical section is a conical pipe, the straight section is a straight pipe, one end of the conical section is connected with the alkali liquor inlet section pipe body, the other end of the conical section is connected with the straight section, and the straight section is connected with the mixing section flange.
7. The mixer of claim 1, wherein: the ammonia water inlet section pipe body and the alkali liquor inlet section pipe body are both made of seamless steel pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010656739.3A CN111790281A (en) | 2020-07-09 | 2020-07-09 | Ammonia water and alkali adding mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010656739.3A CN111790281A (en) | 2020-07-09 | 2020-07-09 | Ammonia water and alkali adding mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111790281A true CN111790281A (en) | 2020-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010656739.3A Pending CN111790281A (en) | 2020-07-09 | 2020-07-09 | Ammonia water and alkali adding mixer |
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| Country | Link |
|---|---|
| CN (1) | CN111790281A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112755826A (en) * | 2021-01-05 | 2021-05-07 | 华东理工大学 | Device and method for enhancing liquid-liquid emulsification |
-
2020
- 2020-07-09 CN CN202010656739.3A patent/CN111790281A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112755826A (en) * | 2021-01-05 | 2021-05-07 | 华东理工大学 | Device and method for enhancing liquid-liquid emulsification |
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