CN209333751U - A kind of waste gas recovering device in naphthalene water reducer production process - Google Patents
A kind of waste gas recovering device in naphthalene water reducer production process Download PDFInfo
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- CN209333751U CN209333751U CN201822098099.XU CN201822098099U CN209333751U CN 209333751 U CN209333751 U CN 209333751U CN 201822098099 U CN201822098099 U CN 201822098099U CN 209333751 U CN209333751 U CN 209333751U
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- waste gas
- naphthalene
- recovering device
- water reducer
- sulfonating reaction
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Abstract
The utility model discloses the waste gas recovering device in a kind of naphthalene water reducer production process, including sulfonating reaction kettle, the top of the sulfonating reaction kettle is equipped with waste gas outlet；The waste gas outlet is communicated with waste gas recovering device；The waste gas recovering device includes the naphthalene recyclable device being connected to the waste gas outlet；The naphthalene recyclable device includes compression and back closed cans, and compression and back closed cans top is equipped with compression piston, and the gaseous phase outlet of the compression and back closed cans is equipped with exhaust fan.The utility model generates the physical difference between the ingredient of exhaust gas using sulfonating reaction, compresses to exhaust gas, so that naphthalene steam liquefied, SO2And SO3Sour gas maintains gaseous state, to separate naphthalene steam with sour gas, the difficulty and pressure of subsequent exhaust-gas treatment are substantially alleviated, the temperature during sulfonating reaction can greatly improve, and then the yield of sulfonation material in sulfonating reaction is improved, the cost of naphthalene water reducer preparation is reduced to a certain extent.
Description
Technical field
The utility model relates to chemical equipment technical fields, and in particular to the waste gas recovery in a kind of production of naphthalene water reducer
Device.
Background technique
Water-reducing agent is a kind of additive with water-reducing effect in concrete, can be improved when not increasing folk prescription water consumption
Execution conditions；Improve the bending and compressive strength of concrete；Enhance the freeze proof performances such as impervious of concrete；It can significantly improve simultaneously mixed
The workability and mobility for coagulating soil, improve the durability of concrete；Or it is essentially identical and do not influence and easily in concrete flowability
Property under the conditions of, reduce coagulation local prescription water consumption, reduce water-cement ratio, save folk prescription gel material content.Water-reducing agent has become existing
For the 5th kind of necessary component other than coagulation earth removal concrete, sand, stone, water.
Naphthalene series high-efficiency water-reducing agent is in the world using one of most, most wide water-reducing agent and the most important diminishing in China
Agent kind.Sulfonating reaction is the core link in entire water-reducing agent preparation process, its preparation efficiency is only 90% or so at present, main
If because are as follows: 1. naphthalenes and the concentrated sulfuric acid can generate a large amount of volatilizations at high temperature or decompose so that in sulfonating reaction kettle reactant it is dense
Degree reduces, and results in waste of resources, if later period exhaust-gas treatment is improper, can cause seriously to pollute to environment；2. according to sulfonating reaction machine
Reason, temperature is higher, and reaction is more abundant, it is contemplated that the influence of reactant volatilization, sulfonating reaction temperature are generally set to 160 DEG C
~165 DEG C of progress；Therefore, sulfonating reaction process efficiency is low, energy consumption is high and later period exhaust-gas treatment difficulty is current naphthalene water reducer
Universal problems faced.
Summary of the invention
The technical problem to be solved by the utility model is to subtracting in view of the deficienciess of the prior art, providing a kind of naphthalene system
Waste gas recovering device in aqua production process recycles the exhaust gas in sulfonating reaction, increases sulfonation yield, reduces production
Cost.
In order to solve the above technical problems, the technical solution of the utility model is:
A kind of waste gas recovering device in naphthalene water reducer production process, including sulfonating reaction kettle, the sulfonating reaction kettle
Top be equipped with waste gas outlet；The waste gas outlet is communicated with waste gas recovering device；
The waste gas recovering device includes the naphthalene recyclable device being connected to the waste gas outlet；
The naphthalene recyclable device includes compression and back closed cans, and compression and back closed cans top is equipped with compression piston, the compression
The gaseous phase outlet of recycling can is equipped with exhaust fan.
As a kind of improved technical solution, the gaseous phase outlet of the compression and back closed cans is communicated with lye spray absorber.
As a kind of improved technical solution, the compression piston passes through two hinged transmission shaft bands by servo motor
It is dynamic.
As a kind of improved technical solution, the sulfonating reaction kettle outer wall is provided with collet, and the lower part of the collet is set
It is equipped with heat conductive oil inlet；Conduction oil outlet is provided at the top of the collet.
As a kind of improved technical solution, it is provided in the collet from the heat conductive oil inlet spiral and is extended upwardly to
The collet is partitioned into helical flow path by the baffle of the conduction oil outlet, the baffle.
As a kind of improved technical solution, the heat conductive oil inlet and the conduction oil outlet respectively with heat-conducting oil heating
The export and import of circulator is connected to.
As a kind of improved technical solution, the sulfonating reaction kettle is provided with agitating device.
By adopting the above-described technical solution, the beneficial effects of the utility model are:
Waste gas recovering device in a kind of naphthalene water reducer production process of the utility model, including sulfonating reaction kettle, institute
The top for stating sulfonating reaction kettle is equipped with waste gas outlet；The waste gas outlet is communicated with waste gas recovering device；The waste gas recovery dress
Set the naphthalene recyclable device including being connected to the waste gas outlet；The naphthalene recyclable device includes compression and back closed cans, the compression and back
Closed cans top is equipped with compression piston, and the gaseous phase outlet of the compression and back closed cans is equipped with exhaust fan.The utility model is anti-using sulfonation
The physical difference between the ingredient of exhaust gas should be generated, exhaust gas is compressed in a certain pressure limit, so that naphthalene steam liquefied,
The higher naphthalene of purity can be recycled from sulfonating reaction exhaust gas, the naphthalene raw material of recycling can be re-used as the raw material of sulfonating reaction；SO2With
And SO3Sour gas maintains gaseous state, so that naphthalene steam be separated with sour gas, alkaline solution is recycled to spray sour gas
Mode sour gas is absorbed, substantially alleviate the difficulty and pressure of subsequent exhaust-gas treatment.Naphthalene is carried out using the utility model
The sulfonating reaction of based water reducer, the temperature during sulfonating reaction can greatly improve, and then improve sulfonation material in sulfonating reaction
Yield reduces the cost of naphthalene water reducer preparation to a certain extent.
Exhaust gas in sulfonating reaction is carried out pressure recovery liquid naphthalene by the utility model, significantly reduces cost, in addition, by
It is improved in sulfonating reaction temperature relative to traditional handicraft, the comprehensive yied that sulfonation material is obtained in sulfonating reaction improves
18%, cost reduces 5%.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of the utility model embodiment；
In figure, 1. sulfonating reaction kettles；2. waste gas outlet；3. naphthalene recyclable device；4. compression and back closed cans；41. gaseous phase outlet；
42. exhaust fan；5. compression piston；6. servo motor；7. transmission shaft；8. collet；9. baffle；10. heat conductive oil inlet；11. thermally conductive
Oil export；12. agitating device；13. naphthalene feed inlet；14. sulfonation material exports.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is further described.It should be understood that these embodiments are merely to illustrate
The utility model rather than limitation the scope of the utility model.In addition, it should also be understood that, having read in the utility model instruction
After appearance, those skilled in the art can be made various changes or modifications the utility model, and such equivalent forms equally fall within this
Apply for the appended claims limited range.
A kind of waste gas recovering device in naphthalene water reducer production process, including sulfonating reaction kettle 1, the sulfonating reaction kettle
1 top is equipped with waste gas outlet 2；The waste gas outlet 2 is communicated with waste gas recovering device；The waste gas recovering device includes and institute
State the naphthalene recyclable device 3 of the connection of waste gas outlet 2；The naphthalene recyclable device 3 includes compression and back closed cans 4, in the compression and back closed cans 4
Portion is equipped with compression piston 5, and the compression piston 5 is driven by servo motor 6 by two hinged transmission shafts 7.The compression and back
The gaseous phase outlet 41 of closed cans 4 is equipped with exhaust fan 42.1 outer wall of sulfonating reaction kettle is provided with collet 8, the lower part of the collet 8
It is provided with heat conductive oil inlet 10；The top of the collet 8 is provided with conduction oil outlet 11.It is provided in the collet 8 described in
10 spiral of heat conductive oil inlet extends upwardly to the baffle 9 of the conduction oil outlet 11, and the collet 8 is partitioned by the baffle 9
Helical flow path.The sulfonating reaction kettle 1 is provided with agitating device 12；The lower part and bottom of the sulfonating reaction kettle 1 are respectively equipped with
Naphthalene feed inlet 13 and sulfonation material outlet 14.
As a kind of preferred embodiment, the gaseous phase outlet of the compression and back closed cans is communicated with lye spray absorber,
The heat conductive oil inlet and the conduction oil outlet are connected to the export and import of heat-conducting oil heating circulator respectively.
Claims (7)
1. the waste gas recovering device in a kind of naphthalene water reducer production process, including sulfonating reaction kettle, it is characterised in that:
The top of the sulfonating reaction kettle is equipped with waste gas outlet；The waste gas outlet is communicated with waste gas recovering device；
The waste gas recovering device includes the naphthalene recyclable device being connected to the waste gas outlet；
The naphthalene recyclable device includes compression and back closed cans, and compression and back closed cans top is equipped with compression piston, the pressure recovery
The gaseous phase outlet of tank is equipped with exhaust fan.
2. the waste gas recovering device in naphthalene water reducer production process as described in claim 1, it is characterised in that:
The gaseous phase outlet of the compression and back closed cans is communicated with lye spray absorber.
3. the waste gas recovering device in naphthalene water reducer production process as described in claim 1, it is characterised in that:
The compression piston is driven by servo motor by two hinged transmission shafts.
4. the waste gas recovering device in naphthalene water reducer production process as described in claim 1, it is characterised in that:
The sulfonating reaction kettle outer wall is provided with collet, and the lower part of the collet is provided with heat conductive oil inlet；The top of the collet
Portion is provided with conduction oil outlet.
5. the waste gas recovering device in naphthalene water reducer production process as claimed in claim 4, it is characterised in that:
The baffle that the conduction oil outlet is extended upwardly to from the heat conductive oil inlet spiral, the gear are provided in the collet
The collet is partitioned into helical flow path by plate.
6. the waste gas recovering device in naphthalene water reducer production process as claimed in claim 5, it is characterised in that:
The heat conductive oil inlet and the conduction oil outlet are connected to the export and import of heat-conducting oil heating circulator respectively.
7. the waste gas recovering device in naphthalene water reducer production process as described in claim 1, it is characterised in that:
The sulfonating reaction kettle is provided with agitating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822098099.XU CN209333751U (en) | 2018-12-13 | 2018-12-13 | A kind of waste gas recovering device in naphthalene water reducer production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822098099.XU CN209333751U (en) | 2018-12-13 | 2018-12-13 | A kind of waste gas recovering device in naphthalene water reducer production process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209333751U true CN209333751U (en) | 2019-09-03 |
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ID=67757010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822098099.XU Active CN209333751U (en) | 2018-12-13 | 2018-12-13 | A kind of waste gas recovering device in naphthalene water reducer production process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209333751U (en) |
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2018
- 2018-12-13 CN CN201822098099.XU patent/CN209333751U/en active Active
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