CN201842654U - Coking ammonium sulfate finish machining - Google Patents
Coking ammonium sulfate finish machining Download PDFInfo
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- CN201842654U CN201842654U CN2010206008470U CN201020600847U CN201842654U CN 201842654 U CN201842654 U CN 201842654U CN 2010206008470 U CN2010206008470 U CN 2010206008470U CN 201020600847 U CN201020600847 U CN 201020600847U CN 201842654 U CN201842654 U CN 201842654U
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- ammonium sulfate
- pipeline
- granulation
- dissolving tank
- precise machining
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Abstract
The utility model relates to the field of coking and provides a coking ammonium sulfate finish machining. The coking ammonium sulfate finish machining comprises a dissolving and filtering device, a crystallizing device and a granulating forming device. The dissolving and filtering device is connected with the crystallizing device by a pipeline with a pump. The crystallizing device is connected with the granulating forming device by a pipeline with a pump. Coarse ammonium sulfate produced by a saturator method is used as a raw material. The characteristics of low solubility in water and large particles of impurities in the coarse ammonium sulfate are utilized. By the dissolving and filtering device, the coarse ammonium sulfate is dissolved and tar and most of impurities in the coarse ammonium sulfate are filtered out; then the ammonium sulfate is further purified by a recrystallization method to generate fine ammonium sulfate of which the impurity content meets the quality standard of industrial ammonium sulfate for precipitating vanadium; and the fine ammonium sulfate is further granulated by the granulating forming device, wherein the granularity of the granulated fine ammonium sulfate meets the quality standard of the industrial ammonium sulfate for the precipitating vanadium. The coking ammonium sulfate finish machining is suitable for being matched with the existing saturator method to produce the ammonium sulfate for the precipitating vanadium, is simple and reliable to operate and does not need to be added with any chemical agents.
Description
Technical field
The utility model relates to the coking field, especially a kind of coked thiamine precise machining device.
Background technology
In process of coking, 20～25% nitrogen transformation is an ammonia in the coke-oven gas.Ammonia content is 8～11g/cm in the raw gas
3, because ammonia has very strong corrodibility to equipment, and the ammonia in the coal gas can generate poisonous mordant oxynitride when burning.A large amount of ammonia enters and also can make oil and water form stable emulsion obstruction oily water separation in the washing oil, and for this reason, the ammonia in the coal gas must remove.
Present coking industry adopts the saturex method usually, the sulphur ammonium that when removing ammonia, utilizes the ammonia in the coal gas to produce, but this sulphur ammonium contains impurity such as tar, coke tar refuse, can only be used as agrochemical, and the product price is low, sales difficulty.And on the other hand, not only price height but also market are good with the sulphur ammonium in precipitation, but foreign matter content, the granularity of sulphur ammonium all had strict requirement.
The utility model content
Technical problem to be solved in the utility model provides a kind of coked thiamine precise machining device that can cooperate existing saturex method production precipitation with the sulphur ammonium.
The technical scheme that its technical problem that solves the utility model adopts is: the coked thiamine precise machining device; comprise dissolution filter device, crystallization apparatus and granulation shaped device, between described dissolution filter device and the crystallization apparatus, between crystallization apparatus and the granulation shaped device respectively by being provided with the pipe connection of pump.
As a kind of preferred, described dissolution filter device comprises sedimentation dissolving tank, strainer, described sedimentation dissolving tank top is provided with Oil scraper, the bottom is provided with blow-off line, be connected by connecting tube between described sedimentation dissolving tank and the strainer, the inlet of described connecting tube is positioned at sedimentation dissolving tank middle part or middle and lower part; Described sedimentation dissolving tank is communicated with crystallization apparatus by pipeline through behind the filter.
Further, described strainer is the ceramic membrane filter device.
Further, the pipeline between described sedimentation dissolving tank and the crystallization apparatus is provided with storage tank.
Further, described crystallization apparatus is the crystallization reaction still.
Further, described crystallization reaction still is provided with three evaporator sections.
As a kind of preferred; described granulation shaped device comprises granulation molding device and drying plant; described granulation molding device is a dry method screw extrusion granulating equipment, and the inlet of described drying installation is connected by pipeline and granulation shaped device by pipeline syncrystallization device, the outlet that is provided with pump.
Further, described drying installation comprises that by the whizzer of the pipe connection that is provided with pump and microwave dryer described whizzer is communicated with by pipeline and crystallization apparatus, and described microwave dryer is communicated with by pipeline and granulation molding device.
The beneficial effects of the utility model are: the thick sulphur ammonium that adopts the production of saturex method is as raw material; utilize the low and bigger characteristics of impurity particle of thick sulphur ammonium impurities solubleness in water; adopt the dissolution filter device to dissolve thick sulphur ammonium and wherein contained tar and the most impurity of filtering; be created on and satisfy the smart sulphur ammonium of precipitation on the foreign matter content with the method for the recrystallization sulphur ammonium of further purifying then with industrial sulphur ammonium quality standard; smart sulphur ammonium is further by the granulation of granulation shaped device, and granularity satisfies precipitation with industrial sulphur ammonium quality standard.Therefore, device of the present utility model can cooperate existing saturex method production precipitation sulphur ammonium, and is simple to operate, reliable, and need not to add any other chemical reagent.
Description of drawings
Fig. 1 is a connection diagram of the present utility model.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
As shown in Figure 1; coked thiamine precise machining device of the present utility model; comprise dissolution filter device, crystallization apparatus and granulation shaped device, between described dissolution filter device and the crystallization apparatus, between crystallization apparatus and the granulation shaped device respectively by being provided with the pipe connection of pump.
The thick sulphur ammonium that adopts the production of saturex method is as raw material; utilize the low and bigger characteristics of impurity particle of thick sulphur ammonium impurities solubleness in water; adopt the dissolution filter device to dissolve thick sulphur ammonium and wherein contained tar and the most impurity of filtering; be created on and satisfy the smart sulphur ammonium of precipitation on the foreign matter content with the method for the recrystallization sulphur ammonium of further purifying then with industrial sulphur ammonium quality standard; smart sulphur ammonium is further by the granulation of granulation shaped device, and granularity satisfies precipitation with industrial sulphur ammonium quality standard.Therefore, device of the present utility model can cooperate existing saturex method production precipitation sulphur ammonium, and is simple to operate, reliable, and need not to add any other chemical reagent.
The dissolution filter device is dissolve sulfur ammonium crystal and the filtering tar wherein and the device of impurity, and its form can be arbitrarily, such as the combination of stirring and dissolving pond, filter membrane, water-and-oil separator.For simplified construction, reduce use cost, concrete, described dissolution filter device comprises sedimentation dissolving tank 1, strainer 5, described sedimentation dissolving tank 1 top is provided with Oil scraper 2, the bottom is provided with blow-off line 3, be connected by connecting tube 4 between described sedimentation dissolving tank 1 and the strainer 5, the inlet of described connecting tube 4 is positioned at sedimentation dissolving tank 1 middle part; Described sedimentation dissolving tank 1 is communicated with crystallization apparatus by pipeline through filter 5 backs.Wherein the inlet of connecting tube 4 also can be positioned at the middle and lower part of sedimentation dissolving tank 1
Above-mentioned strainer can adopt organic membrane filter device, Stainless Steel Filter etc., but considers the corrodibility of sulphur ammonium, for convenience and the life-span that guarantees that strainer uses, further reduces use cost, and best, described strainer 5 is ceramic membrane filter devices.
Crystallization apparatus mostly is continuous production, and sedimentation dissolving tank 1 is batch production, and best for mating both rhythm of production, the pipeline between described sedimentation dissolving tank 1 and the crystallization apparatus is provided with storage tank 10.
Crystallization apparatus can be a heating unit arbitrarily, and selects according to concrete production output.As the selection of large scale continuous prod, best, described crystallization apparatus is a crystallization reaction still 6.
Further, described crystallization reaction still is provided with three evaporator sections.Utilize the difference of sulphur ammonium solubleness under the differing temps at different evaporator sections, ammonium sulfate solution carried out evaporation concentration by continuous three sections, improve the concentration of ammonium sulfate solution.The first evaporator section temperature is that 85 ℃, pressure are normal pressure; To be 70 ℃, pressure be-0.03MPa to the second evaporator section temperature; To be 55 ℃, pressure be-0.05MPa to the 3rd evaporator section temperature.
Granulation apparatus can be selected wet granulation equipment such as rotary drum granulator, but strict to the control of the sulphur ammonium water content behind the recrystallization, the height of controlling cost.Therefore best; described granulation shaped device comprises granulation molding device and drying plant; described granulation molding device is a dry method screw extrusion granulating equipment 7, and the inlet of described drying installation is connected by pipeline and granulation shaped device by pipeline syncrystallization device, the outlet that is provided with pump.Sulphur ammonium solid behind dry the finishing is powdery, and ammonium sulfate products granularity 2～4mm that granulation obtains meets the precipitation service requirements.
Cause the sulphur ammonium to decompose for fear of high temperature; best; described drying installation comprises that by the whizzer 8 of the pipe connection that is provided with pump and microwave dryer 9 described whizzer 8 is communicated with by pipeline and crystallization apparatus, and described microwave dryer 9 is communicated with by pipeline and granulation molding device.Ammonium sulfate products behind dry the finishing is moisture below 0.5%, and N content meets the precipitation service requirements.
Concrete technical process is: in sedimentation dissolving tank 1 raw material sulphur ammonium is added the hot water dissolving and form saturated solution, temperature is controlled at 45 ± 10 ℃, the tar of sedimentation dissolving tank 1 pond face and coke tar refuse are removed by Oil scraper 2, ammonium sulfate solution is handled the back through strainer 5 and is entered storage tank by pipeline, with pump saturated ammonium sulfate solution is delivered to crystallization reaction still 6 at storage tank and carry out evaporation concentration, crystallization reaction still 6 is by saturation steam indirect heating ammonium sulfate solution, under vacuum condition, evaporate portion water and divide formation sulphur ammonium supersaturated solution, this supersaturated solution gravity flow enters the crystallization that crystallizer tank carries out the sulphur ammonium, sulphur ammonium solidliquid mixture after crystallization finishes obtains moisture 3～5% crystal sulphur ammonium after whizzer 8 dehydrations, mother liquor then returns sedimentation dissolving tank 1 and utilizes again.The crystal sulphur ammonium that obtains from whizzer 8 carries out drying treatment through microwave dryer 9 again, moisture is reduced to below 0.5%, at last by the screw extrusion granulation, Powdered sulphur ammonium after the microwave drying is carried out granulation to be handled, ammonium sulfate products granularity 2～4mm that granulation obtains meets the precipitation service requirements.
Behind 7～10 days continuous production, dissolved impurity content increases gradually in the mother liquor that each device reclaims, and these mother liquors are all carried out crystallization treatment, and the sulphur ammonium that the quality that obtains is lower is taken out as agricultural sulphur ammonium.The tar material that sedimentation dissolving tank 1 obtains is being accumulated to a certain amount of back unified coke-oven plant's processing of sending.
Claims (8)
1. coked thiamine precise machining device; it is characterized in that: comprise dissolution filter device, crystallization apparatus and granulation shaped device, between described dissolution filter device and the crystallization apparatus, between crystallization apparatus and the granulation shaped device respectively by being provided with the pipe connection of pump.
2. coked thiamine precise machining device as claimed in claim 1, it is characterized in that: described dissolution filter device comprises sedimentation dissolving tank (1), strainer (5), described sedimentation dissolving tank (1) top is provided with Oil scraper (2), the bottom is provided with blow-off line (3), be connected by connecting tube (4) between described sedimentation dissolving tank (1) and the strainer (5), the inlet of described connecting tube (4) is positioned at sedimentation dissolving tank middle part or middle and lower part; Described sedimentation dissolving tank (1) is communicated with crystallization apparatus by pipeline through filter (5) back.
3. coked thiamine precise machining device as claimed in claim 2 is characterized in that: described strainer (5) is the ceramic membrane filter device.
4. coked thiamine precise machining device as claimed in claim 2 is characterized in that: the pipeline between described sedimentation dissolving tank (1) and the crystallization apparatus is provided with storage tank (10).
5. coked thiamine precise machining device as claimed in claim 1 is characterized in that: described crystallization apparatus is crystallization reaction still (6).
6. coked thiamine precise machining device as claimed in claim 5 is characterized in that: described crystallization reaction still is provided with three evaporator sections.
7. as claim 1,2 or 5 described coked thiamine precise machining devices; it is characterized in that: described granulation shaped device comprises granulation molding device and drying plant; described granulation molding device is a dry method screw extrusion granulating equipment (7), and the inlet of described drying installation is connected by pipeline and granulation shaped device by pipeline syncrystallization device, the outlet that is provided with pump.
8. coked thiamine precise machining device as claimed in claim 7; it is characterized in that: described drying installation comprises by whizzer of the pipe connection that is provided with pump (8) and microwave dryer (9); described whizzer (8) is communicated with by pipeline and crystallization apparatus, and described microwave dryer (9) is communicated with by pipeline and granulation molding device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206008470U CN201842654U (en) | 2010-11-11 | 2010-11-11 | Coking ammonium sulfate finish machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206008470U CN201842654U (en) | 2010-11-11 | 2010-11-11 | Coking ammonium sulfate finish machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201842654U true CN201842654U (en) | 2011-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206008470U Expired - Fee Related CN201842654U (en) | 2010-11-11 | 2010-11-11 | Coking ammonium sulfate finish machining |
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| CN (1) | CN201842654U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103496716A (en) * | 2013-10-22 | 2014-01-08 | 武汉科技大学 | Method for producing industrial excellent ammonium sulfate through coarse ammonium sulfate coking coupling evaporation solventing-out crystallization |
| CN103708501A (en) * | 2013-12-18 | 2014-04-09 | 武汉科技大学 | Method for refining coked crude ammonium sulfate through membrane crystallization |
| CN108947844A (en) * | 2018-06-20 | 2018-12-07 | 珠海市高栏联合新材料有限公司 | A kind of Ergol cake treatment apparatus |
-
2010
- 2010-11-11 CN CN2010206008470U patent/CN201842654U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103496716A (en) * | 2013-10-22 | 2014-01-08 | 武汉科技大学 | Method for producing industrial excellent ammonium sulfate through coarse ammonium sulfate coking coupling evaporation solventing-out crystallization |
| CN103496716B (en) * | 2013-10-22 | 2014-12-10 | 武汉科技大学 | Method for producing industrial excellent ammonium sulfate through coarse ammonium sulfate coking coupling evaporation solventing-out crystallization |
| CN103708501A (en) * | 2013-12-18 | 2014-04-09 | 武汉科技大学 | Method for refining coked crude ammonium sulfate through membrane crystallization |
| CN103708501B (en) * | 2013-12-18 | 2017-08-25 | 武汉科技大学 | A kind of method that membrane crystallization refines the thick sulphur ammonium of coking |
| CN108947844A (en) * | 2018-06-20 | 2018-12-07 | 珠海市高栏联合新材料有限公司 | A kind of Ergol cake treatment apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110525 Termination date: 20161111 |