CN201395514Y - Pre-heating and heat-transferring direct solution type sodium silicate production equipment - Google Patents
Pre-heating and heat-transferring direct solution type sodium silicate production equipment Download PDFInfo
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- CN201395514Y CN201395514Y CN2009200894757U CN200920089475U CN201395514Y CN 201395514 Y CN201395514 Y CN 201395514Y CN 2009200894757 U CN2009200894757 U CN 2009200894757U CN 200920089475 U CN200920089475 U CN 200920089475U CN 201395514 Y CN201395514 Y CN 201395514Y
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- interchanger
- heat exchanger
- smelting furnace
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The utility model discloses equipment adopting a pre-heating and heat-transferring direct solution type sodium silicate production technology. A gas station of the equipment is connected with a combustion spray head in a pre-heating converter through a low heating value gas pipe line, and is connected with a combustion spray head in a melting furnace through a high heating value gas pipe line; a sleeve is sleeved outside the high heating value gas pipe line; a discharge end of the pre-heating converter is communicated with the sleeve through a low-temperature feeding pipe line; a discharge hole end of the melting furnace is communicated with an efficient dissolver through a high-temperature feeding pipe line; an exhaust-gas outlet of the melting furnace is communicated with one inlet end of a heat exchanger; one outlet end of the heat exchanger is communicated with an inlet end of a superconductive heat exchanger; the other inlet end of the heat exchanger is communicated with a heat-transferring air blower while the other outlet end of the heat exchanger is communicated with the sleeve through a melting furnace air pipe; the inlet end of the superconductive heat exchanger is communicated with the outlet end of the heat exchanger; the other inlet end of the superconductive heat exchanger is connected with a water inlet pipe; and a water outlet end of the superconductive heat exchanger is communicated with the efficient dissolver. The utility model effectively uses afterheat and the heat of the liquid sodium silicate, thereby avoiding energy emission loss, saving energy source, and reducing production cost.
Description
Technical field
The utility model belongs to bubble flower alkali manufacture technical field, and what relate generally to is the direct dissolution type sodium silicate production unit of a kind of converter preheating smelting furnace heat transfer efficient dissolver.
Background technology
Bubble flower alkali, have another name called water glass (molecular formula: NaOmSiO2nH2O), colourless, dark green or brown solid or thick liquid.Sodium silicate production process can be divided into two kinds of dry method and wet methods, and traditional dry technology for production is to produce solid bubble flower alkali earlier, and then becomes the fluid bubble flower alkali of required specification through dissolution transitions, and its turnover ratio is 1: 2.5.The raw material of producing bubble flower alkali is quartz sand, soda ash, the two is mixed by a certain percentage deliver in the horse shoe flame kiln, packing is solid bubble flower alkali after the shrend of high-temperature calcination melting furnace, solid bubble flower alkali is dissolved into liquid with it be fluid bubble flower alkali under certain temperature, pressure, its fuel is matchmaker, Sweet natural gas, coal gas etc.
Chemical equation is: Na
2CO
3+ nSiO
2 High temperatureNa
2OnSiO
2+ CO2 ↑
Na
2OnSiO
2+ mH2O
High temperatureNa
2OnSiO
2MH2O
Complete technological is: quartz sand, soda ash → mixing → calcining → shrend → solid bubble flower alkali → and through dissolving → fluid bubble flower alkali.There is following problem in this technology: (1), raw material directly add the smelting furnace heating without preheating, need to absorb a large amount of gas-fired heats.(2), owing to melt kiln furnace kiln body refractory materials and contact with pyritous molten bubble flower alkali, absorb a large amount of heats, and heat can not get in time diffusing, make the refractory temperatures rising, generally contain SiO in the refractory materials
2, when SiO2 and soda ash reaction, the body of heater material promptly corrodes.(3), solid bubble flower alkali fusion process need energy, general technology is to give the certain pressure steam heating it is dissolved.(4), the production and the production of fluid bubble flower alkali of solid bubble flower alkali realizes in two steps, not only power consumption greatly, length consuming time, and facility investment is also big.
Summary of the invention
The purpose of this utility model promptly produces thus, proposes a kind of pre-heating heat-exchanging direct dissolution type sodium silicate production unit.Effectively utilize the heat of waste heat and liquid bubble flower alkali, avoided the energy emission loss, saved the energy, reduced production cost, reduced environmental pollution, and prolonged the work-ing life of smelting furnace, improved production efficiency.
The utility model realizes that the technical scheme that above-mentioned production technique is taked is: it is mainly by gas station, preheating oven, smelting furnace, interchanger, superconduction interchanger and efficient dissolver constitute, gas station is connected with the burning shower nozzle that is positioned at the preheating converter by the low calorific value coal feed channel, be connected with the burning shower nozzle that is positioned at smelting furnace by the high combustion value coal feed channel, outside the leading portion of high combustion value coal feed channel, be socketed with sleeve pipe, the preheating oven discharge end is communicated with sleeve pipe through the low temperature feedstock charging line, the discharge port end of smelting furnace is communicated with efficient dissolver through high temperature raw material charging line, the waste gas outlet of smelting furnace is communicated with the entrance end of interchanger, the exit end of interchanger is communicated with superconduction interchanger entrance end, another entrance end of interchanger is communicated with the heat exchange air blower, exit end is communicated with sleeve pipe through the smelting furnace airduct, the entrance end of superconduction interchanger is communicated with the exit end of interchanger, the waste gas that exchanged is discharged by the gas outlet, and another entrance end of superconduction interchanger is connected with water inlet pipe, exit end is communicated with efficient dissolver.
But the utility model adopts the rotary kiln stove, and the low-heat value gas combustion heat that utilizes producer gas generator to produce carries out preheating to soda ash and quartz sand, has effectively utilized the low-heat value gas heat, has avoided the emission loss of energy.In the smelting furnace furnace wall, reserve ventilation hole, make hot freezing air cycle heat exchange, absorb the furnace wall heat, furnace wall temperature is reduced with blower fan.Spend alkali through the high-temperature liquid state bubble that chemical reaction generates, be delivered directly in the efficient dissolver, because high-temperature liquid state bubble flower alkali (more than 1000 ℃) self-energy is enough to make from fully dissolving in 80 ℃ of hot water (80 ℃ of hot water provide the heat heating by the superconduction interchanger), no longer needs steam.
Description of drawings
Accompanying drawing is the utility model structural representation.
Among the figure: 1, gas station, 2, the low calorific value coal feed channel, 3, the burning shower nozzle, 4, preheating oven, 5, feeding device, 6, motor reducer, 7, tugboat, 8, the low temperature feedstock charging line, 9, the smelting furnace airduct, 10, heat exchange air blower, 11, smelting furnace, 12, the high combustion value coal feed channel, 13, burning shower nozzle, 14, interchanger, 15, the superconduction interchanger, 16, waste gas outlet, 17, filler, 18, pipeline, 19, blower fan, 20, airduct, 21, high temperature raw material charging line, 22, efficient dissolver, 23, whipping appts, 24, the mouth of pipe.
Embodiment
In conjunction with the accompanying drawings, it is as follows to provide embodiment of the present utility model:
As shown in the figure: present embodiment mainly is made of gas station 1, preheating oven 4, smelting furnace 11, interchanger 14, superconduction interchanger 15 and efficient dissolver 22, what gas station 1 adopted is the patented product (patent No.: 200620130339.4), this gas station is used to produce low-heat value gas and high heating value gas, and low-heat value gas is connected with the burning shower nozzle 3 that is positioned at preheating converter 4 by low calorific value coal feed channel 2; High heating value gas is connected with the burning shower nozzle 13 that is positioned at smelting furnace 11 by high combustion value coal feed channel 12, be socketed with sleeve pipe outside the leading portion of high combustion value coal feed channel 12, this telescopic end sealing forms bilayer structure thus, be that internal layer is the high heating value gas passage, skin is raw material and air passageways.What preheating oven 4 adopted is conventional equipment, it is provided with the feeding device 5 in the raw material adding preheating converter, in order to improve its efficient, preheating oven 4 can be designed to rotational structure, and promptly preheating oven 4 is provided with annulus and makes preheating oven 4 rotations by tugboat 7 supports and drive annulus.The discharge end of preheating oven 4 is communicated with the sleeve pipe that is arranged on high combustion value coal feed channel 12 leading portions through low temperature feedstock charging line 8.Smelting furnace 11 is on the mechanism basis of original horse shoe flame kiln, and hollow structure is designed in the furnace wall, and being connected with blower fan 19 of its import, exit end is communicated with low calorific value coal feed channel 2 through airduct 20.The discharge port end of smelting furnace 11 is communicated with efficient dissolver 22 through high temperature raw material charging line 21.The waste gas that smelting furnace 11 burning backs produce is communicated with the entrance end of interchanger 14, another entrance end of interchanger 14 is communicated with heat exchange air blower 10, the exit end of interchanger 14 is communicated with superconduction interchanger 15 entrance ends, and another exit end of interchanger 14 is communicated with and is positioned at the front of low temperature feedstock charging line 8 imports through smelting furnace airduct 9 and the sleeve pipe 9 that is arranged on high combustion value coal feed channel 12 leading portions.Because the waste gas through interchanger 14 exchanges still has very high temperature, in order to make full use of waste heat, be provided with superconduction interchanger 15, the entrance end of this superconduction interchanger 15 is communicated with the exit end of interchanger 14, the waste gas that exchanged is discharged through waste gas outlet 16, and another entrance end of superconduction interchanger 15 is connected with water inlet pipe, exit end is communicated with efficient dissolver 22.In order to improve dissolved efficiency, make dissolving more even, abundant, in efficient dissolver, establishing whipping appts 23 (employing conventional equipment), the fluid bubble flower alkali after the dissolving is through the mouth of pipe 24 finished goods warehouse of making a gift to someone.
When present embodiment uses, low-heat value gas and high heating value gas that gas station produces enter respectively in preheating converter and the smelting furnace, the low-heat value gas that enters in the preheating converter burns and is preheated to 700 ℃ adding raw material in it, the raw material that heated flows into smelting furnace airduct 9 through pipeline 8, is blown into smelting furnace 11 by heat exchange air blower 10.Entering high heating value gas in the smelting furnace burns away to preheating material and is heated to molten, waste gas after burning is discharged by waste gas outlet 16 behind interchanger 14 and superconduction interchanger 15 heat exchange recovery heat, interchanger heats with air melt combustion furnace, after the dissolving water adds the heating of superconduction interchanger by filler 17, in the efficient dissolver of pipeline 18 addings, dissolve with raw material.The molten high temperature bubble flower alkali that smelting furnace produces flows into efficient dissolver 22 dissolvings through pipeline 21, makes dissolving more even, abundant by stirring, and the fluid bubble flower alkali after the dissolving feeds finished goods warehouse through the mouth of pipe 24.Smelting furnace is to make furnace wall fusing liquid level place hollow on the basis of original horse shoe flame kiln, and the air that blower fan 19 air blast enter in the hollow of smelting furnace furnace wall enters low calorific value coal feed channel 2 combustion-supporting low-heat value gas to the smelting furnace back gained warm air that cools through airduct 20.
Claims (4)
1, a kind of equipment of pre-heating heat-exchanging direct dissolution type sodium silicate production technique, comprise gas station (1), preheating oven (4), smelting furnace (11), it is characterized in that: described gas station (1) is connected with the burning shower nozzle (3) that is positioned at preheating converter (4), is connected with the burning shower nozzle (13) that is positioned at smelting furnace (11) by high combustion value coal feed channel (12) by low calorific value coal feed channel (2), be socketed with sleeve pipe outside the leading portion of high combustion value coal feed channel (12), this telescopic end sealing forms bilayer structure; The discharge end of described preheating oven (4) is communicated with sleeve pipe through low temperature feedstock charging line (8), the discharge port end of smelting furnace (11) is communicated with efficient dissolver (22) through high temperature raw material charging line (21), the waste gas outlet of smelting furnace (11) is communicated with the entrance end of interchanger (14), the exit end of interchanger (14) is communicated with superconduction interchanger (15) entrance end, another entrance end of interchanger (14) is communicated with heat exchange air blower (10), exit end is communicated with sleeve pipe through smelting furnace airduct (9), the entrance end of superconduction interchanger (15) is communicated with the exit end of interchanger (14), the waste gas that exchanged is discharged through waste gas outlet (16), and another entrance end of superconduction interchanger (15) is connected with water inlet pipe, water outlet end is communicated with efficient dissolver (22).
2, pre-heating heat-exchanging direct dissolution type sodium silicate production unit according to claim 2 is characterized in that: tugboat (7) is set on described preheating oven (4), drives tugboat (7) by motor reducer (6) and make preheating oven (4) rotation.
3, pre-heating heat-exchanging direct dissolution type sodium silicate production unit according to claim 2, it is characterized in that: the furnace wall of described smelting furnace (11) is a hollow structure, its entrance end is connected with blower fan (19), and exit end is communicated with low calorific value coal feed channel (2) through airduct (20).
4, pre-heating heat-exchanging direct dissolution type sodium silicate production unit according to claim 2 is characterized in that: establish whipping appts (23) in described efficient dissolver (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200894757U CN201395514Y (en) | 2009-03-31 | 2009-03-31 | Pre-heating and heat-transferring direct solution type sodium silicate production equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200894757U CN201395514Y (en) | 2009-03-31 | 2009-03-31 | Pre-heating and heat-transferring direct solution type sodium silicate production equipment |
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| Publication Number | Publication Date |
|---|---|
| CN201395514Y true CN201395514Y (en) | 2010-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200894757U Expired - Fee Related CN201395514Y (en) | 2009-03-31 | 2009-03-31 | Pre-heating and heat-transferring direct solution type sodium silicate production equipment |
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|---|---|
| CN (1) | CN201395514Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101508442B (en) * | 2009-03-31 | 2011-08-24 | 洛阳豫燃煤气设备有限公司 | Pre-heating heat-exchanging direct dissolution type sodium silicate production process and apparatus |
| CN102976346A (en) * | 2012-07-20 | 2013-03-20 | 山东胜通集团股份有限公司 | Automatic control system for layered crystal sodium disilicate production line |
-
2009
- 2009-03-31 CN CN2009200894757U patent/CN201395514Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101508442B (en) * | 2009-03-31 | 2011-08-24 | 洛阳豫燃煤气设备有限公司 | Pre-heating heat-exchanging direct dissolution type sodium silicate production process and apparatus |
| CN102976346A (en) * | 2012-07-20 | 2013-03-20 | 山东胜通集团股份有限公司 | Automatic control system for layered crystal sodium disilicate production line |
| CN102976346B (en) * | 2012-07-20 | 2014-07-02 | 山东胜通集团股份有限公司 | Automatic control system for layered crystal sodium disilicate production line |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100203 Termination date: 20100331 |