CN217527469U - Sulfonated acid sludge treatment system - Google Patents
Sulfonated acid sludge treatment system Download PDFInfo
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- CN217527469U CN217527469U CN202221023065.4U CN202221023065U CN217527469U CN 217527469 U CN217527469 U CN 217527469U CN 202221023065 U CN202221023065 U CN 202221023065U CN 217527469 U CN217527469 U CN 217527469U
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Abstract
The utility model discloses a sulfonated acid sludge treatment system, including hierarchical dissolution kettle, it is equipped with the acid sludge dog-house to dissolve the cauldron top in grades, agitator motor and slag agent dog-house, the slag agent dog-house passes through the compound cauldron of slag agent tube coupling dissolution agent, be equipped with the one-level filter screen in the hierarchical dissolution kettle, second grade filter screen and (mixing) shaft, the (mixing) shaft is connected with the agitator motor transmission, be equipped with stirring fan blade on the (mixing) shaft and be located the seal bearing between the stirring fan blade, one-level filter screen and seal bearing outer lane fixed connection, the aperture that the second grade filter screen is located one-level filter screen lower part and one-level filter screen is greater than the second grade filter screen, it is equipped with discharge gate and circulation material export to dissolve the cauldron bottom in grades, the circulation material export is through circulation material liquid tube coupling acid sludge dog-house. The utility model discloses can retrieve the recycle to the dregs of a lime that produces in the membrane type sulfonation process, effectively reduce the emission of industry solid waste, reduce discharging and increase efficiency is showing, and investment cost is low, has very good production using value.
Description
Technical Field
The utility model relates to a chemical production technical field, concretely relates to sulfonated acid sludge processing system.
Background
The alkali/surfactant/polymer ternary combination flooding technology effectively improves the recovery efficiency of tertiary oil recovery, and the heavy alkylbenzene sulfonate has the excellent characteristic of reducing the surface tension and becomes one of the most widely applied ternary combination flooding surfactants with the most mature technology, and the sulfur trioxide film type sulfonation technology is the main production technology. When the heavy alkylbenzene sulfonic acid is produced by the membrane type sulfonation process, the sulfur trioxide is excessive generally, the feeding molar ratio of the sulfur trioxide to the heavy alkylbenzene is controlled to be 1.34-1.44, the components of the heavy alkylbenzene are complex, the excessive sulfur trioxide ensures the reaction of the heavy components which are difficult to sulfonate, but the excessive sulfur trioxide can also cause coking of a sulfonator in which the light components which are easy to sulfonate are located, and the coking of the sulfonator is inevitable and irreversible, so that the acid residue is inevitably produced. Meanwhile, in a gas-liquid separator, a sulfonic acid transportation pipeline, a sulfonic acid storage tank and a sulfonic acid packaging barrel, a large amount of sulfonic acid deposition blocks are generated in dead zones which do not flow for a long time, and the sulfonic acid deposition blocks are mainly strong polar substances (sulfonic acid and by-product sulfone) and are separated from ungelatinized oil with lower polarity and continuously aggregate to form acid sludge.
Acid residues cleaned in the actual production of the heavy alkylbenzene sulfonic acid are in a black muddy semi-solid state with certain brightness, the production amount of the acid residues accounts for about three thousandth of the product, and enterprises in the industry generally treat the acid residues as solid wastes after manually cleaning the acid residues, so that adverse effects are generated on the environment and the economic benefits. The experts and scholars in the industry have made a lot of researches on recycling of sulfonated acid sludge, the zilu petrochemical industry utilizes a combustion method to treat acid sludge in a cement production device, the acid sludge fully combusts organic matters at the kiln temperature of 1400 ℃, and the prepared sulfur dioxide is recycled by an acid preparation system. The research on preparing road asphalt by sulfonate acid sludge (in red rock, lei Ninggong, li Tiankui, et. The research on preparing road asphalt by sulfonate acid sludge [ J ]. Petroleum refining and chemical industry, 2006, 37 (5): 5.) is reported by Hongmen oil refining chemical industry institute and Hongyan et al. In the separation and application research of petroleum sulfonate acid sludge (Wu Guangqing. Separation and application research of petroleum sulfonate acid sludge [ D ]. China oceanic university, 2015.), wu Guangqing of China oceanic university reports the application research of acid sludge in products such as concrete corrosion inhibitors, water reducing agents and the like, also belongs to the basic research of acid sludge application, and has certain difficulty in industrial practice regardless of process and cost. Ma Tianxiang of Daqing refining company, and the like, have carried out component analysis and recycling technology research on petroleum sulfonate sulfonated acid sludge (Ma Tianxiang. Discussion on petroleum sulfonate sulfonated acid sludge component analysis and recycling technology [ J ]. Contemporary chemical industry, 2021.), and propose that petroleum sulfonate acid sludge is recycled by developing a novel compound dissolving system in a dissolving manner, so that the solution is an economic and feasible scheme, but the solution lacks of an acid sludge dissolving key technology and a matching process, and limits popularization and application of the scheme. Therefore, the development of the sulfonated acid sludge treatment system which is suitable for actual production, is economical and feasible, can efficiently dissolve and recover the sulfonated acid sludge and has obvious emission reduction and synergy has important significance.
SUMMERY OF THE UTILITY MODEL
To the technical problem, an object of the utility model is to provide an adaptation actual production, economic feasible, high-efficient dissolve retrieve sulfonated acid sediment and reduce discharging and increase efficiency and show sulfonated acid sediment processing system.
Therefore, the utility model discloses a following technical scheme realizes:
the sulfonated acid sludge treatment system comprises a graded dissolving kettle, wherein the top of the graded dissolving kettle is provided with an acid sludge feeding port, a stirring motor and a slag agent feeding port, the slag agent feeding port is connected with a slag agent compounding kettle through a slag agent pipeline, and the slag agent pipeline is provided with a flow control valve. Be equipped with one-level filter screen, second grade filter screen and (mixing) shaft in the hierarchical dissolution kettle, the (mixing) shaft is connected with the agitator motor transmission, be equipped with stirring fan blade on the (mixing) shaft and be located the sealed bearing between two sets of stirring fan blade, one-level filter screen and sealed bearing outer lane fixed connection, one-level filter screen are used for the sulfonated acid sludge of hierarchical dissolution great particle diameter to and filter the insoluble impurity of great particle diameter, the aperture that the second grade filter screen is located one-level filter screen lower part and one-level filter screen is greater than the second grade filter screen, realizes the hierarchical dissolution reaction to different particle diameter sulfonated acid sludge. The bottom of the grading dissolving kettle is provided with a discharge port and a circulating material outlet, the circulating material outlet is connected with an acid sludge feed port through a circulating material liquid pipeline, and a circulating material liquid pump and a circulating material liquid valve are arranged on the circulating material liquid pipeline. The discharge port is connected with an inlet of the standing tank through a standing material liquid pipeline, and a standing material liquid pump and a standing material liquid valve are arranged on the standing material liquid pipeline. The device comprises a standing tank, a blending liquid pipeline, a blending liquid pump, a blending liquid valve, a sulfonate replenishing port, a sulfonate finished product discharge port and a packaging process, wherein the outlet of the standing tank is connected with a feed inlet at the top of a blending kettle through the blending liquid pipeline, the blending liquid pipeline is provided with the blending liquid pump and the blending liquid valve, the top of the blending kettle is provided with the sulfonate replenishing port for replenishing a certain amount of sulfonate and low-carbon alcohol solvent into the blending kettle, the bottom of the blending kettle is provided with the sulfonate finished product discharge port, and the sulfonate finished product discharge port is connected to the packaging process.
The hierarchical dissolving kettle one-level filter screen, second grade filter screen all are concave type filter bed, are convenient for on the one hand artifical collection and clear up insoluble impurity, and on the other hand has also effectively improved the efficiency of stirring reaction.
The outer wall of the grading dissolution kettle is provided with a heating interlayer and cleaning holes, the heating interlayer is used for ensuring the dissolution reaction efficiency of the sulfonated acid residues at a certain temperature, and the cleaning holes are used for manually collecting and cleaning insoluble impurities enriched on the filter screen. The outer wall of the standing tank is provided with a heat-insulating layer, so that the standing and precipitating efficiency of the sulfonate liquid is guaranteed. And the slag dissolver compounding kettle and the blending kettle are both provided with mechanical stirring devices.
Compared with the prior art, the utility model has the following advantage:
1. the utility model discloses a sulfonated acid sludge's dissolving reaction, the process such as subsides, active matter content allotment of stewing effectively retrieve sulfonated acid sludge, and the reduction of emission is increased effect and is showing, is the sulfonated acid sludge processing system who adapts to actual production, economic feasibility.
2. The utility model discloses a to sulfonated acid sludge (be the black mud form semi-solid state of brightness) dissolve the reaction in grades to and the mode that the circulation feed liquid was dissolved, dissolve reaction and recovery efficiency height. On the basis of effectively recycling the sulfonated acid residues, the quality standards of active matter content, viscosity and the like of the recycled sulfonate product can be ensured.
3. The utility model relates to an equipment structure is simple, can form by traditional reation kettle transformation, washs to overhaul the maintenance cost low, convenient operation.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: 1-a graded dissolving kettle, 2-an acid slag feeding port, 3-a slag agent feeding port, 4-a stirring motor, 5-a stirring shaft, 6-stirring fan blades, 7-a primary filter screen, 8-a sealed bearing, 9-a secondary filter screen, 10-a heating interlayer, 11-a cleaning hole, 12-a circulating material outlet, 13-a discharging port, 14-a circulating material liquid pipeline, 15-a circulating material liquid pump, 16-a circulating material liquid valve, 17-a standing material liquid pipeline, 18-a static material liquid valve, 19-a static material liquid pump, 20-a standing tank, 21-a heat insulation layer, 22-a blending material liquid pipeline, 23-a blending material liquid valve, 24-a blending material liquid pump, 25-a blending kettle, 26-a blending liquid feeding port, 27-a sulfonate replenishing port, 28-a mechanical stirring device, 29-a sulfonate finished product discharging port, 30-a packaging process, 31-a slag agent compounding kettle, 32-a slag agent pipeline and 33-a flow control valve.
Detailed Description
The following describes the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1, the acid slag dissolving device comprises a grading dissolving kettle 1, wherein the top of the grading dissolving kettle 1 is provided with an acid slag feed port 2, a stirring motor 4 and a slag agent feed port 3, the slag agent feed port 3 is connected with a slag agent compounding kettle 31 through a slag agent pipeline 32, and the slag agent pipeline 32 is provided with a flow control valve 33. Be equipped with one-level filter screen 7 in the hierarchical dissolution cauldron 1, second grade filter screen 9 and (mixing) shaft 5, the transmission of (mixing) shaft 5 and agitator motor 4 is connected, be equipped with two sets of stirring fan blades 6 on the (mixing) shaft 5 and be located the sealed bearing 8 between two sets of stirring fan blades, one-level filter screen 7 and 8 outer lane fixed connection of sealed bearing, one-level filter screen 7 is used for dissolving the sulfonated acid sludge of great particle size in grades, and filter the insoluble impurity of great particle size, second grade filter screen 9 is located 7 lower parts of one-level filter screen and the aperture of one-level filter screen 7 and is greater than second grade filter screen 9, realize the hierarchical dissolution reaction to different particle size sulfonated acid sludge. The bottom of the grading dissolving kettle 1 is provided with a discharge port 13 and a circulating material outlet 12, the circulating material outlet 12 is connected with the acid residue feed port 2 through a circulating material liquid pipeline 14, and a circulating material liquid pump 15 and a circulating material liquid valve 16 are arranged on the circulating material liquid pipeline 14, so that the circulating material liquid effectively improves the dissolving reaction efficiency of the sulfonated acid residue and also avoids adhesion of part of the sulfonated acid residue on the acid residue feed port 2. The discharge port 13 is connected with the inlet of a standing tank 20 through a standing material liquid pipeline 17, and a standing material liquid pump 19 and a standing material liquid valve 18 are arranged on the standing material liquid pipeline 17. An outlet of the standing tank 20 is connected with a feed inlet 26 at the top of the blending kettle 25 through a blending liquid pipeline 22, a blending liquid pump 24 and a blending liquid valve 23 are arranged on the blending liquid pipeline 22, a sulfonate supplementing opening 27 is formed in the top of the blending kettle 25 and used for supplementing a certain amount of sulfonate and low-carbon alcohol solvent into the blending kettle 25, a sulfonate finished product discharge opening 29 is formed in the bottom of the blending kettle 25, and the sulfonate finished product discharge opening 29 is connected to a packaging process 30.
Hierarchical dissolving kettle 1 one-level filter screen 7, second grade filter screen 9 all are concave type filter bed, are convenient for artifical collection and the clearance insoluble impurity on the one hand, and on the other hand has also effectively improved the efficiency of stirring reaction.
The outer wall of the grading dissolution kettle 1 is provided with a heating interlayer 10 and cleaning holes 11, the heating interlayer 10 is used for ensuring the dissolution reaction efficiency of the sulfonated acid residues at a certain temperature, and the cleaning holes 11 are used for manually collecting and cleaning the insoluble impurities enriched on the filter screen. The outer wall of the standing tank 20 is provided with a heat preservation layer 21, so that the standing and precipitating efficiency of the sulfonate liquid is guaranteed. The slag dissolver compounding kettle 31 and the blending kettle 25 are both provided with a mechanical stirring device 28.
The grading dissolution kettle 1 is used for efficiently dissolving sulfonated acid residues with different particle sizes, and ensures effective filtration of insoluble impurities. The slag agent compounding kettle 31 is used for preparing a slag agent, the slag agent is usually composed of alkali liquor (sodium hydroxide, sodium carbonate and the like), organic solvent (ethylene glycol, n-butyl alcohol, isopropanol and the like) and various surfactants (sodium dodecyl benzene sulfonate and the like), and the slag agent compounding kettle 1 ensures the uniform compounding of the components, so that the dissolving efficiency of sulfonated acid residues and the product quality of sulfonate recovery are prevented from being influenced. The standing tank 20 is used for standing and precipitating the dissolved system, further precipitating insoluble impurities and ensuring the quality of recovered products. The blending kettle 25 enables the recovered sulfonate to reach the quality standard of indexes such as active matter content, viscosity and the like by supplementing a certain amount of sulfonate, low-carbon alcohol solvent and the like.
When the device is used, sulfonic acid slag (in a bright black mud-shaped semisolid state) is put into the graded dissolving kettle 1 from the acid slag feed port 2, stirring is started, the flow control valve 33 on the slag agent pipeline 32 is controlled, a slag agent is put into the graded dissolving kettle 1 at a certain flow rate, the sulfonic acid slag starts to be dissolved and reacted in the first-stage filter screen 7, alkali components in the slag agent and sulfonic acid components of the acid slag react to generate sulfonate to be recovered, after primary dissolution, the semisolid acid slag with different grain diameters starts to be dissolved and reacted in the first-stage filter screen 7 and the second-stage filter screen 9 respectively, at the moment, the filter screens also play a role in disturbing the stirring fluid, the dissolving reaction is more efficient, insoluble impurities with different grain diameters are filtered to the first-stage filter screen 7 and the second-stage filter screen 9, when a certain liquid level exists at the bottom of the graded dissolving kettle 1, the circulating liquid pump 15 is started, the circulating liquid further performs the dissolving reaction with the sulfonated acid slag, and adhesion of partial acid slag at the feed port 2 is also avoided. After the dissolution reaction is finished, the feed liquid is conveyed to a standing tank 20 through a standing feed liquid pipeline 17, the feed liquid is subjected to heat preservation standing and settling in the standing tank 20, further impurity removal is carried out, after 12-24 hours of settling and impurity removal, the feed liquid is conveyed to a blending kettle through a blending liquid pipeline 22, a certain amount of sulfonate (heavy alkylbenzene sulfonate or petroleum sulfonate) and low-carbon alcohol (n-butyl alcohol or isopropanol) are supplemented, indexes such as the viscosity of the recovered sulfonate, the content of active substances and the like are qualified, the finished sulfonate is conveyed to a packaging process 30 through a pipeline, and after the production of the process is finished, insoluble impurities on a filter screen are manually cleaned through cleaning holes 11.
Claims (9)
1. A sulfonated acid sludge treatment system is characterized in that: the acid slag dissolving device comprises a grading dissolving kettle, wherein an acid slag feeding port, a stirring motor and a slag agent feeding port are arranged at the top of the grading dissolving kettle, the slag agent feeding port is connected with a slag agent compounding kettle through a slag agent pipeline, a primary filter screen, a secondary filter screen and a stirring shaft are arranged in the grading dissolving kettle, the stirring shaft is in transmission connection with the stirring motor, stirring blades and a sealing bearing positioned between the stirring blades are arranged on the stirring shaft, the primary filter screen is fixedly connected with the outer ring of the sealing bearing, the secondary filter screen is positioned at the lower part of the primary filter screen, and the aperture of the primary filter screen is larger than that of the secondary filter screen; the hierarchical dissolving kettle bottom is equipped with discharge gate and circulation material export, the circulation material export is through circulation material liquid tube coupling acid sludge dog-house, the import of feed liquid tube coupling jar that stews is passed through to the discharge gate, the export of jar that stews is through the feed inlet of blending liquid tube coupling allotment cauldron top, allotment cauldron top is equipped with the sulphonate and replenishes the mouth, the allotment cauldron bottom is equipped with sulphonate finished product discharge gate, sulphonate finished product discharge gate is connected to the packaging process.
2. The system for treating the sulfonated acid sludge according to claim 1, comprising the following steps: the first-stage filter screen and the second-stage filter screen of the grading dissolving kettle are both concave filter beds.
3. The sulfonated acid sludge treatment system according to claim 1, wherein: the outer wall of the grading dissolving kettle is provided with a heating interlayer and cleaning holes.
4. The sulfonated acid sludge treatment system according to claim 1, wherein: and the outer wall of the standing tank is provided with a heat-insulating layer.
5. The sulfonated acid sludge treatment system according to claim 1, wherein: and the circulating feed liquid pump and the circulating feed liquid valve are arranged on the circulating feed liquid pipeline.
6. The sulfonated acid sludge treatment system according to claim 1, wherein: and a standing feed liquid pump and a standing feed liquid valve are arranged on the standing feed liquid pipeline.
7. The sulfonated acid sludge treatment system according to claim 1, wherein: and the blending liquid pipeline is provided with a blending liquid pump and a blending liquid valve.
8. The sulfonated acid sludge processing system according to claim 1, wherein: and a flow control valve is arranged on the slag agent pipeline.
9. The sulfonated acid sludge treatment system according to claim 1, wherein: and the slag dissolver compounding kettle and the blending kettle are both provided with mechanical stirring devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221023065.4U CN217527469U (en) | 2022-04-29 | 2022-04-29 | Sulfonated acid sludge treatment system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221023065.4U CN217527469U (en) | 2022-04-29 | 2022-04-29 | Sulfonated acid sludge treatment system |
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| Publication Number | Publication Date |
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| CN217527469U true CN217527469U (en) | 2022-10-04 |
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| CN202221023065.4U Active CN217527469U (en) | 2022-04-29 | 2022-04-29 | Sulfonated acid sludge treatment system |
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- 2022-04-29 CN CN202221023065.4U patent/CN217527469U/en active Active
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