CN101767795B - Secondary energy-saving producing device of layered crystal sodium disilicate - Google Patents
Secondary energy-saving producing device of layered crystal sodium disilicate Download PDFInfo
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- CN101767795B CN101767795B CN201010011801XA CN201010011801A CN101767795B CN 101767795 B CN101767795 B CN 101767795B CN 201010011801X A CN201010011801X A CN 201010011801XA CN 201010011801 A CN201010011801 A CN 201010011801A CN 101767795 B CN101767795 B CN 101767795B
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- drying tower
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The invention relates to a secondary energy-saving producing device of layered crystal sodium disilicate in a washing auxiliary agent. A softening water station is sequentially connected with a sodium silicate dissolving tank, a filter tank, a membrane adjusting tank, a spray drying tower, a material mixing device, a high-temperature crystallizing furnace, a pulverizer and a packaging device by a pipeline; after the tail of the spray drying tower is connected with a secondary back heating device, the residual heat is blown into the top of the spray drying tower by a fan; a filter and an electrothermal membrane are sequentially arranged in the secondary back heating device; and the bottom enters the material mixing device by a material falling pipe. The invention improves the use efficiency of heat energy by adopting the tail gas recycling of the crystallizing furnace and the secondary residual heat recycling of the drying tower to prepare layer silicon, effectively saves energy resources, reduces the waste gas discharge of the furnace, lowers the production cost of an enterprise, is suitable for the requirements of clean production and environmental protection and achieves the domestic leading level in a production process.
Description
Technical field
The present invention relates to a kind of secondary energy-saving producing device of layered crystal sodium disilicate in the washing auxiliary detergent.
Background technology
Laminated crystal of sodium disilicate was a kind of non-phosphorus builder, is the novel environment-friendly specialty chemicals of national encourage growth, and the applicant has applied for " energy-saving production method for layered crystal sodium disilicate " patent of invention on November 4th, 2008; The patent No.: 200810159721.1; Publication number: 101412518, solved that the facility investment of high temperature sintering crystallization process is high, productivity effect is low, crystallization degree is difficult to control, be inappropriate for the shortcoming of suitability for industrialized production; The high temperature sintering crystallization process is that the sodium silicate solution that modulus is suitable carries out spraying drying earlier; Process the instant powder of powdered, send into crystallization then and carry out the high temperature sintering crystallization, obtain stratum granulosum silicon; Again it is carried out crushing and screening, process commodity layer silicon; Enterprise's less than ten families of domestic production laminated crystal of sodium disilicate, most enterprises are because technical condition of production technology is immature, and manufacturing equipment quality does not pass a test; Especially crystal growing furnace does not have regenerative apparatus, and waste heat can not be made full use of, and makes energy serious waste; To this phenomenon, the applicant has succeeded in developing " a kind of heat accumulating type high temperature crystallization stove ", and in application utility model patent November 10 in 2008; The patent No.: 200820174955.9, notification number CN201316548Y, its technical scheme is that the afterbody at the high temperature crystallization stove is provided with regenerative apparatus; High temperature crystallization stove waste heat is sent to the top of spray-drying tower, heat energy is utilized once more.
Summary of the invention
The objective of the invention is on the basis of technique scheme,, improve resource utilization, a kind of secondary energy-saving producing device of layered crystal sodium disilicate is provided for further practicing thrift cost.
Its technical scheme is: softening water station connects bubble flower alkali dissolution jar, hay tank, accent film jar, spray-drying tower, mixing of materials device, high temperature crystallization stove, kibbler and packing plant successively through pipeline; The top of bubble flower alkali dissolution jar connects steam boiler; Steam boiler, spray-drying tower and high temperature crystallization stove are connected gas station through pipeline respectively; The top of spray-drying tower is provided with atomisation unit, and the high speed centrifugation spraying gun is set in the atomisation unit, and the dehvery pump of spraying drying top of tower transfers the sodium silicate liquid body behind the film to be transported to atomisation unit through the carrier pipe bundle of lines; High temperature crystallization stove afterbody is provided with pipeline; Be connected to the top of spray-drying tower, it is characterized in that: after the afterbody of said spray-drying tower connects the secondary regenerative apparatus, waste heat is blown into the top of spray-drying tower by blower fan; Set gradually strainer and Electric radiant Heating Film in the secondary regenerative apparatus, the bottom gets into the mixing of materials device through material blanking tube.
On the pipeline of high temperature crystallization stove afterbody connection spraying drying top of tower, connect high efficiency filter and electric heater successively.
The afterbody clutch disk of described high temperature crystallization stove; Diametric through hole being set in the disk, connecting between through hole and the furnace chamber, is discharge port at an end of through hole; The other end is the waste heat outlet; Be provided with tail gas receptor, thermophore, bisque fly-ash separator and TP successively at the waste heat outlet side, the tail gas after the purification is blown out from the waste heat outlet by blower fan, is connected to the top of spray-drying tower again through pipeline.
Advantage of the present invention is: adopt the recovery of crystal growing furnace kiln exhaust gas, drying tower secondary waste heat to retrieve prepared layer silicon; To improve the service efficiency of heat energy; Realize product energy-conservationization, mass-producing, when guaranteeing quality product, effectively saved the energy; Reduce the kiln exhaust gas emission, reduce the enterprise production cost, adapt to cleaner production and environmental protection needs; And realize whole production device waste gas " zero release ", and avoided the waste and the environmental pollution of thermal source, reached leading domestic level on the production technology.
Description of drawings
Accompanying drawing 1 is the production equipment synoptic diagram of present embodiment; Accompanying drawing 2 is high temperature crystallization furnace structure synoptic diagram; Accompanying drawing 3 is local structure synoptic diagram of embodiment 2.
Embodiment:
Embodiment 1: with reference to accompanying drawing 1; Softening water station 2 connects bubble flower alkali dissolution jar 3, hay tank 4 successively, transfers film jar 5, spray-drying tower 12, mixing of materials device 10, high temperature crystallization stove 6, kibbler 7 and packing plant 8 through pipeline; The top of bubble flower alkali dissolution jar 3 connects steam boiler 14, and steam boiler 14, spray-drying tower 12 and high temperature crystallization stove 6 are connected gas station 1 through pipeline respectively, and the top of spray-drying tower 12 is provided with atomisation unit 17; The high speed centrifugation spraying gun is set in the atomisation unit 17; Transferring the sodium silicate liquid body behind the films to be transported to atomisation unit 17, high temperature crystallization stove 6 afterbodys are provided with pipeline 9 to the dehvery pump 18 at spray-drying tower 12 tops, are connected to the top of spray-drying tower 12 through carrier pipe line 19; After the afterbody of said spray-drying tower 12 connects secondary regenerative apparatus 11; By blower fan 20 waste heat is blown into the top of spray-drying tower 12, sets gradually strainer 22 and Electric radiant Heating Film 23 in the secondary regenerative apparatus 11, the bottom gets into mixing of materials devices 10 through material blanking tube 24.
The heat that spray-drying tower 12 production quick dissolved sodium silicates are used is mainly derived from coal gas and after pipeline gets into gas furnace, changes into hot gas, and hot gas gets into spray-drying tower 12 through blower fan, and this part heat accounts for 1/3 of spray-drying tower 12 whole consumptions; High temperature crystallization stove 6 is discharged high-temperature gas (550-600 ℃) and is got into spray-drying tower 12 through exhaust pipe 9; The drying that is used for quick dissolved sodium silicate; This part heat accounts for 2/3 of spray-drying tower 12 heats, utilizes secondary regenerative apparatus 11 to use tower hot blast (90～120 ℃) and carries out recycling, and filter has the product of trace to get into mixing of materials device 10 through material blanking tube; Mix back entering high temperature crystallization stove 6 with crystallization auxiliary and carry out high temperature crystallization; Production high purity stratiform crystalline sodium disilicate is realized cleaner production, reaches energy saving purposes.
Embodiment 2:
With reference to accompanying drawing 2; Be on the basis of embodiment 1; On the pipeline 9 at high temperature crystallization stove 6 afterbodys connection spray-drying tower 12 tops, connect high efficiency filter 33 and electric heater 21 successively, this road heat accounts for 2/3 of the whole consumption of drying tower, and electric heater 21 main elements are elements such as Electric radiant Heating Film, thermal control; Mainly be to guarantee that tail gas is controlled at tapping temperature; After tail gas got into spray-drying tower 12, the heat of changing with coal gas had reached the ideal gaseous phase, guaranteed that spraying material and hot blast carry out sufficient heat exchange.
Embodiment 3:
With reference to accompanying drawing 3, be on the basis of embodiment 1 or embodiment 2, the technological improvement that the afterbody of high temperature crystallization stove is carried out; The afterbody clutch disk 25 of described high temperature crystallization stove; Diametric through hole 27 being set in the disk 25, connecting between through hole 27 and the furnace chamber 26, is discharge port IV at an end of through hole 27; The other end is waste heat outlet III; Be provided with tail gas receptor 28, thermophore 29, bisque fly-ash separator 30 and TP 31 successively in waste heat outlet III side, the tail gas after the purification is blown out from waste heat outlet III by blower fan 32, is connected to the top of spray-drying tower 12 again through pipeline.
In the tail gas receiving trap 28 suction pipe is housed, the blower fan in the device rotates under driven by motor, makes tail gas receptor inside form a quite high Negative Pressure Difference with external atmosphere pressure; Under the effect of this Negative Pressure Difference, stove tail gas (550-600 ℃) gets into thermophore 29, and thermophore 29 is equipped with electrothermal tube; Be connected with TP 31 through lead, purpose makes tail gas remain on about 550 exactly, and tail gas gets into bisque fly-ash separator 30 under the effect of heating power; Be provided with dust chamber in the bisque fly-ash separator 30; After crystalliferous tail gas got into bisque fly-ash separator 30, because the air-flow effect, the part big particle was deposited in hopper; After fine size, the grit that density is little get into dust chamber, through Blang's diffusion and sieving combined effect, make dust deposit on filter material surface, the tail gas after the purification is discharged from waste heat outlet [III] through blower fan 32 by vapor pipe.Through measuring and calculating: in the tail gas contained 2 ‰ not the crystallization powder here reclaim, this is the important step of control laminated crystal of sodium disilicate production cost.
The water cut of this patent quick dissolved sodium silicate when each link ability timely adjustment charging, powder inlet temperature, apparent, the gas pressure of powder granule; Hot blast temperature; Dry warning etc., the water cut 9-12% of quick dissolved sodium silicate when implementing the charging of adjustment crystal growing furnace, 380-400 ℃ of powder inlet temperature; The apparent 20-38mm of powder granule has reached the purpose of producing high-quality stratiform crystalline sodium disilicate.
Claims (2)
1. secondary energy-saving producing device of layered crystal sodium disilicate; Softening water station connects bubble flower alkali dissolution jar, hay tank, accent film jar, spray-drying tower, mixing of materials device, high temperature crystallization stove, kibbler and packing plant successively through pipeline; The top of bubble flower alkali dissolution jar connects steam boiler, and steam boiler, spray-drying tower and high temperature crystallization stove are connected gas station through pipeline respectively, and the top of spray-drying tower is provided with atomisation unit; The high speed centrifugation spraying gun is set in the atomisation unit; The dehvery pump of spraying drying top of tower transfers the sodium silicate liquid body behind the film to be transported to atomisation unit through the carrier pipe bundle of lines, and high temperature crystallization stove afterbody is provided with pipeline, is connected to the top of spray-drying tower; It is characterized in that: after the afterbody of said spray-drying tower connects the secondary regenerative apparatus; By blower fan waste heat is blown into the top of spray-drying tower, sets gradually strainer and Electric radiant Heating Film in the secondary regenerative apparatus, the bottom gets into the mixing of materials device through material blanking tube; The afterbody clutch disk of described high temperature crystallization stove; Diametric through hole being set in the disk, connecting between through hole and the furnace chamber, is discharge port at an end of through hole; The other end is the waste heat outlet; Be provided with tail gas receptor, thermophore, bisque fly-ash separator and TP successively at the waste heat outlet side, the tail gas after the purification is blown out from the waste heat outlet by blower fan, is connected to the top of spray-drying tower again through pipeline.
2. secondary energy-saving producing device of layered crystal sodium disilicate according to claim 1 is characterized in that: on the pipeline of high temperature crystallization stove afterbody connection spraying drying top of tower, connect high efficiency filter and electric heater successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201010011801XA CN101767795B (en) | 2010-01-01 | 2010-01-01 | Secondary energy-saving producing device of layered crystal sodium disilicate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010011801XA CN101767795B (en) | 2010-01-01 | 2010-01-01 | Secondary energy-saving producing device of layered crystal sodium disilicate |
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| Publication Number | Publication Date |
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| CN101767795A CN101767795A (en) | 2010-07-07 |
| CN101767795B true CN101767795B (en) | 2012-07-04 |
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| CN201010011801XA Expired - Fee Related CN101767795B (en) | 2010-01-01 | 2010-01-01 | Secondary energy-saving producing device of layered crystal sodium disilicate |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6036733A (en) * | 1997-02-25 | 2000-03-14 | Holz; Josef | Process for the preparation of crystalline sodium silicates |
| CN2420064Y (en) * | 2000-01-22 | 2001-02-21 | 邹龙贵 | Spray-drying pelleter |
| CN101412518A (en) * | 2008-11-04 | 2009-04-22 | 山东胜通集团股份有限公司 | Energy-saving production method for layered crystal sodium disilicate |
| CN201316548Y (en) * | 2008-11-10 | 2009-09-30 | 山东胜通集团股份有限公司 | Heat accumulating type high temperature crystallization furnace |
-
2010
- 2010-01-01 CN CN201010011801XA patent/CN101767795B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6036733A (en) * | 1997-02-25 | 2000-03-14 | Holz; Josef | Process for the preparation of crystalline sodium silicates |
| CN2420064Y (en) * | 2000-01-22 | 2001-02-21 | 邹龙贵 | Spray-drying pelleter |
| CN101412518A (en) * | 2008-11-04 | 2009-04-22 | 山东胜通集团股份有限公司 | Energy-saving production method for layered crystal sodium disilicate |
| CN201316548Y (en) * | 2008-11-10 | 2009-09-30 | 山东胜通集团股份有限公司 | Heat accumulating type high temperature crystallization furnace |
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| CN101767795A (en) | 2010-07-07 |
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