CN202864924U - High-temperature heat storing gasifying furnace kiln - Google Patents
High-temperature heat storing gasifying furnace kiln Download PDFInfo
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- CN202864924U CN202864924U CN 201220560764 CN201220560764U CN202864924U CN 202864924 U CN202864924 U CN 202864924U CN 201220560764 CN201220560764 CN 201220560764 CN 201220560764 U CN201220560764 U CN 201220560764U CN 202864924 U CN202864924 U CN 202864924U
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Abstract
The utility model relates to a high-temperature heat storing gasifying furnace kiln, and in particular relates to a vertical high-temperature heat storing gasifying furnace kiln which is used for directly heating low-grade phosphorite by fuel in order to generate yellow phosphorus, belonging to the technical field of yellow phosphorus equipment. The whole high-temperature heat storing gasifying furnace kiln is of a vertical structure; the middle of each high-temperature heat storing gasifying furnace kiln is provided with a heat storing, isolating and reducing reaction chamber, the bottom of the furnace kiln provided with a concrete base, and a concrete poured top cover is placed on the upper part of the furnace kiln, wherein a heat storing isolating chamber and a reducing reaction chamber are formed by two sealing bodies, namely, a siliceous material pipe sealing body and a combustion channel sealing body which are isolated from each other; a combustion channel surrounds and wraps the outer wall of a siliceous material pipe; a material inlet is connected to the top of the siliceous material pipe; a phosphorus guide pipe is connected to the middle part or the upper part of the siliceous material pipe; a cooled material receiving bin is connected to the lower part of the siliceous material pipe; and a mechanical slag discharging machine is arranged at the bottom part of the cooled material receiving bin. According to the high-temperature heat storing gasifying furnace kiln, no electricity is adopted, the low-grade phosphorite resource can be directly utilized, and the produced yellow phosphorus is low in cost and high in quality.
Description
Technical field:
The utility model relates to a kind of high-temperature heat accumulation gasification stove, particularly a kind ofly directly heats low-grade phosphorus ore with fuel, produces the vertical high-temperature accumulation of heat gasification stove of yellow phosphorus, belongs to the phosphorus production equipment technical field.
Background technology:
Yellow phosphorus (claiming again white phosphorus) is one of allotropic substance of phosphoric, is colourless extremely flaxen waxy solid.Yellow phosphorus also for the manufacture of phosphoric acid, pyrotechnics, match, sterilant and washing composition etc., has important and extensive use mainly for the manufacture of fertilizer in the human lives.
The phosphorus production principle is to enter feed bin with raw material (Rock Phosphate (72Min BPL), coke and silica) mix oven dry is laggard, enters electric furnace by tremie pipe again; Rock Phosphate (72Min BPL) carries out reduction reaction under 1350 ℃ of-1450 ℃ of hot conditionss in electric furnace, the phosphorus in the Vanadium Pentoxide in FLAKES is reduced into elemental phosphorous, collects the phosphorous vapor after reducing, and obtains high-quality yellow phosphorus.Produce one ton and approximately produce yellow phosphoric tail gas 3500-5000m
3/ ton.
Up to now, the common method of production yellow phosphorus is electrode smelting process (then electric furnace process).But phosphorus production is a kind of highly energy-consuming product, will expend a large amount of electricity in the production process, one ton of yellow phosphorus of every production will consume about 13600 degree ~ 16000 degree/ton at least, pollute quite seriously, the waste water and dregs obnoxious flavour of discharging has seriously restricted the development of yellow phosphorus industry.So phosphorus production nearly all is to produce in the less expensive area of electric power at present, as: the area that the water power such as tennessee,USA and Chinese yunnan are abundant.
In addition, adopting producing yellow Phosphorus by electric oven to need the higher Rock Phosphate (72Min BPL) of grade is raw material.
Summary of the invention
The purpose of this utility model is to overcome defective and the deficiency of above-mentioned prior art, invents a kind of combustion gas or coal of using and is thermal source, directly uses phosphorus ore to produce the high-temperature heat accumulation gasification stove of yellow phosphorus.The utility model high-temperature heat accumulation gasification stove overcomes a large amount of electric energy of electric furnace process need of production, save energy, and can directly use low-grade phosphate rock resource, its production cost is low, quality is good, the recrement solid of discharging can be used as the raw materials such as production retaining brick, filtrate, aggregate, and the Integrated using rate is high.
The utility model structure is: high-temperature heat accumulation gasification stove integral body is vertical structure, the middle part that it is characterized in that each high-temperature heat accumulation gasification stove is accumulation of heat isolation reduction reaction chamber, the bottom is concrete pedestal, (1), top is the concrete placement top cover, (8), wherein accumulation of heat insulated chamber reduction reaction chamber is made of two sealing members of mutually isolating, one is siliceous materials material pipe, (3) sealing member, another is the combustion channels sealing member, combustion channels is around being wrapped in siliceous materials material pipe, (3) on the outer wall
Siliceous materials material pipe (3) top connects opening for feed (9), siliceous materials material pipe (3) middle part or top are connected to leads phosphorus pipe (11), cooling feed bin (18) is equipped with in siliceous materials material pipe (3) bottom, and mechanical slag extractor (10) is equipped with in the bottom of cooling feed bin (18)
Combustion channels is the cellular or channel-type pipeline that is made of several piece solid heat storage material (5), have fuel feed inlet (4) under the combustion channels, gas jet is housed in the combustion channels, combustion channels top connects fume pipe (16), has sequentially built high alumina or silica fire resistant brick (17), ceramic thermal insulation cotton (6) and insulating brick (7) outside the combustion channels by laying bricks or stones.
Concrete placement top cover (8) is set with-individual gas-liquid exchange water tank (12), fume pipe (16) is equipped with on gas-liquid exchange water tank (12) top, shower (15) is equipped with on gas-liquid exchange water tank (12) top, and gas-liquid exchange water tank (12) sidepiece is equipped with hot water outlet (13).
Between high-temperature heat accumulation gasification stove bottom concrete pedestal (1) and the insulating refractory pouring material (17) cooling circulation water tank (2) is housed.
Opening for feed (9) is the steel feed bin.
Principle of work: pour into the yellow phosphorus ore deposit raw material for preparing in the opening for feed (9) of steel feed bin by lifting gear, yellow phosphorus ore deposit raw material slowly moves down under the self gravitation effect, gradually be pressed into the accumulation of heat isolation reduction reaction chamber at middle part, the yellow phosphorus ore deposit raw material of decline process of press in to whole siliceous materials material pipe (3) import play sealing function, the rear Vanadium Pentoxide in FLAKES that can prevent from gasifying spills, again can air-isolation, allow siliceous materials material pipe (3) medium position keep anoxic condition, allow yellow phosphorus ore deposit raw material fully finish reduction reaction, the complete Yellow Phosphorous Slag of reduction reaction continues gradually to descend, enter the cooling feed bin (18) of siliceous materials material pipe (3) bottom, root out from the bottom with mechanical slag extractor (10) at last.For utilizing the waste heat energy, can outside cooling feed bin (18), be set with again a cooling circulation water tank (2), with reacted Yellow Phosphorous Slag cooling.
Combustion channels is a sealing member that enough thermals source are provided for the siliceous materials material pipe (3) in the gasification stove.Inflammable gas is fed in the combustion channels from combustion channels bottom inlet mouth (4), combustion processes produces a large amount of heat energy, isolate in the reduction reaction chamber to accumulation of heat by siliceous materials material pipe (3) tube wall indirect heat transfer, yellow phosphorus ore deposit raw material is at air-isolation, in 1350 ℃ of-1450 ℃ of situations of reaction chamber temperature, reduction reaction occurs, produce a large amount of Vanadium Pentoxide in FLAKES gases and CO (carbon monoxide converter) gas, the Vanadium Pentoxide in FLAKES gas that produces and CO (carbon monoxide converter) gas drive in the wrong direction and pass upper strata yellow phosphorus raw material and upper mobile, the phosphorus pipe (11) of leading of finally installing by siliceous materials material pipe (3) top enters the phosphorus recovery system, behind the cooling Vanadium Pentoxide in FLAKES gas, can obtain the yellow phosphorus product.
Inflammable gas fully burns simultaneously in combustion channels, the honeycomb fashion heat-storing material that also will be placed in advance in the fuel channel heats in the lump, owing to be placed with the solid heat storage body in the combustion channels, thereby the indoor temperature of siliceous materials material pipe (3) accumulation of heat isolation reduction reaction that guarantees parcel is more balanced, reliable, stable, guarantee the fully reduction in heating isolation reaction chamber of yellow phosphorus ore deposit raw material.
This device has guaranteed that by insulation and heat insulation mode the gasification temperature of accumulation of heat isolation reduction reaction chamber is kept 1350 ℃ of-1450 ℃ of scopes that remain on, and low-grade yellow phosphorus Raw Ore breeze resource can be utilized effectively, and realizes producing continuously.
The utility model advantage:
1, this vapourizing furnace kiln owner will take producer gas as thermal source, thus, save valuable and nervous electric energy;
2, it can use low-grade breeze resource;
3, material reduction reaction in the reaction chamber of relatively sealing, the waste gas that produces is few, has improved greatly the quality of product, environmentally safe;
4, owing to be that solid is slagged tap, the material after having reacted itself is exactly cement raw material and the filtrate of high-quality, high performance water-storage material.
Description of drawings:
Fig. 1 is the structural representation of a high-temperature heat accumulation gasification of the utility model stove.
Fig. 2 is the A-A direction sectional view of stove shown in Figure 1.
Fig. 3 is the B-B direction sectional view of stove shown in Figure 1.
Fig. 4 is the C-C direction sectional view of stove shown in Figure 1.
Among the figure: 1-concrete bearing; 2-cooling circulation water tank; 3-siliceous materials material pipe; 4-fuel inlet; 5-solid heat storage material; 6-be insulating cotton; 7-insulating brick; 8-concrete placement top cover; 9-opening for feed; 10-mechanical tap machine; 11-lead the phosphorus pipe; 12-gas-liquid exchange water tank; 13-hot water outlet; 14-gas-liquid exchanging tube; 15-shower; 16-fume pipe; 17-insulating refractory pouring material; 18-cooling feed bin.
Embodiment:
The utility model high-temperature heat accumulation gasification stove integral body is vertical frame formula furnace kiln structure, several high-temperature heat accumulation gasification stoves may be placed side by side, forms a frame-type stove.As shown in Figure 2, be exactly that 8 high-temperature heat accumulation gasification stoves consist of.
The utility model evaporating method high-temperature heat accumulation vapourizing furnace is to build by laying bricks or stones on concrete pedestal 1, and the concrete pedestal top is provided with cooling circulation water tank 2, and mechanical mucking machine 10 is arranged at the bottom of cooling feed bin 18.One deck lagging material is watered at the top of cooling circulation water tank 2, the middle part is provided with siliceous materials material pipe 3, siliceous materials pipe 3 belows cooling feed bin 18, siliceous materials pipe middle part or in be provided with and lead phosphorus pipe 4, siliceous materials pipe 3 tops and steel feed bin opening for feed 9 join, siliceous materials pipe 3 peripheries are combustion channels, and solid heat storage material 5 is housed in the combustion channels, and the solid heat storage material can be honeycomb fashion or channel-type.Inflammable gas advances product 4 from fuel and enters combustion channels, fully burning in combustion channels, in heating siliceous materials pipe 3, also heated solid heat storage material 5, thereby make the interior temperature of whole burner hearth more balanced, thereby guaranteed greatly the reduction reaction temperature needs, under the high temperature equilibrium, work all the time for guaranteeing burning, high alumina or silica fire resistant brick 17 or ceramic thermal insulation cotton 6 have been built successively by laying bricks or stones in the combustion channels outside, insulating brick 7 makes its heat not to external irradiation, save energy.
In order further to utilize thermal source, fill a cooling circulation water tank 2 on reinforced concrete plinth 1 top, purpose is to allow the thermal source with fume afterheat of discharging from combustion channels top fume pipe 16 exhanst gas outlets take full advantage of, at fume pipe 16 outlet jackets a gas-liquid exchange water tank 12 is arranged, gas-liquid exchanged water upper box part is equipped with gas-liquid exchanging tube 14, gas-liquid exchanging tube 14 in-built showers 15, when clear water sprays from shower 15, clear water is natural dropping process and the collision of motion high-temperature flue gas from below to up from top to bottom, absorb waste heat and dust in the flue gas, obtain high-temperature-hot-water, fall in the gas-liquid exchange water tank 12, after sending into filtering basin and filter by hot water outlet 13, this moment, the hot water of cleaning namely can be used for the recovery spray water of yellow phosphorus, change electric furnace and produced the history that yellow phosphorus must be joined steam boiler, saved greatly energy cost.
The middle part of each high-temperature heat accumulation gasification stove is accumulation of heat isolation reduction reaction chamber 3, the bottom is concrete pedestal 1, top is concrete placement top cover 8, wherein accumulation of heat insulated chamber reduction reaction chamber is made of two sealing members of mutually isolating, one is siliceous materials material pipe 3 sealing members, another is the combustion channels sealing member, combustion channels around and be wrapped on siliceous materials material pipe 3 outer walls, for the accumulation of heat insulated chamber reduction reaction chamber at siliceous materials material pipe 3 middle parts provides heat.
Siliceous materials material pipe 3 tops connect opening for feed 9, and siliceous materials material pipe 3 middle parts or top are connected to leads phosphorus pipe 11, and siliceous materials material pipe 3 bottoms connect cooling feed bin 18, connect cooling feed bin 18 bottoms and are provided with mechanical slag extractor 10.
Cellular or the channel-type of combustion channels for being consisted of by several piece solid heat storage material 5, have fuel feed inlet 4 under the combustion channels, gas jet is housed in the combustion channels, combustion channels top connects fume pipe 16, and the combustion channels outside has sequentially been built high alumina or silica fire resistant brick 17, ceramic thermal insulation cotton 6 and insulating brick 7 by laying bricks or stones.
Claims (4)
1. high-temperature heat accumulation gasification stove, integral body is vertical structure, the middle part that it is characterized in that each high-temperature heat accumulation gasification stove is accumulation of heat isolation reduction reaction chamber, the bottom is concrete pedestal (1), and top is concrete placement top cover (8), and wherein accumulation of heat insulated chamber reduction reaction chamber is made of two sealing members of mutually isolating, one is siliceous materials material pipe (3) sealing member, another is the combustion channels sealing member, and combustion channels is around being wrapped on siliceous materials material pipe (3) outer wall
Siliceous materials material pipe (3) top connects opening for feed (9), siliceous materials material pipe (3) middle part or middle and upper part are equipped with and are led phosphorus pipe (11), siliceous materials material pipe (3) bottom is connected to cooling feed bin (18), and mechanical slag extractor (10) is equipped with in the bottom of cooling feed bin (18)
Combustion channels is the cellular or channel-type pipeline that is made of several piece solid heat storage material (5), have fuel feed inlet (4) under the combustion channels, gas jet is housed in the combustion channels, combustion channels top connects fume pipe (16), has sequentially built high alumina or silica fire resistant brick (17), ceramic thermal insulation cotton (6) and insulating brick (7) outside the combustion channels by laying bricks or stones.
2. high-temperature heat accumulation according to claim 1 gasification stove, it is characterized in that concrete placement top cover (8) is set with-individual gas-liquid exchange water tank (12), fume pipe (16) is equipped with on gas-liquid exchange water tank (12) top, shower (15) is equipped with on gas-liquid exchange water tank (12) top, and gas-liquid exchange water tank (12) sidepiece is equipped with hot water outlet (13).
3. high-temperature heat accumulation gasification stove according to claim 1 is characterized in that between high-temperature heat accumulation gasification stove bottom concrete pedestal (1) and the insulating refractory pouring material (17) cooling circulation water tank (2) being housed.
4. high-temperature heat accumulation gasification stove according to claim 1 is characterized in that opening for feed (9) is the steel feed bin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220560764 CN202864924U (en) | 2012-10-29 | 2012-10-29 | High-temperature heat storing gasifying furnace kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220560764 CN202864924U (en) | 2012-10-29 | 2012-10-29 | High-temperature heat storing gasifying furnace kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202864924U true CN202864924U (en) | 2013-04-10 |
Family
ID=48031662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220560764 Expired - Lifetime CN202864924U (en) | 2012-10-29 | 2012-10-29 | High-temperature heat storing gasifying furnace kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202864924U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102923679A (en) * | 2012-10-29 | 2013-02-13 | 刘玉姣 | High-temperature heat storage gasification kiln |
-
2012
- 2012-10-29 CN CN 201220560764 patent/CN202864924U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102923679A (en) * | 2012-10-29 | 2013-02-13 | 刘玉姣 | High-temperature heat storage gasification kiln |
| CN102923679B (en) * | 2012-10-29 | 2015-05-27 | 刘玉姣 | High-temperature heat storage gasification kiln |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130410 Effective date of abandoning: 20150527 |
|
| RGAV | Abandon patent right to avoid regrant |