CN204185251U - Fluidizing furnace reactor is utilized to produce the device of potassium sulfate - Google Patents
Fluidizing furnace reactor is utilized to produce the device of potassium sulfate Download PDFInfo
- Publication number
- CN204185251U CN204185251U CN201420619976.2U CN201420619976U CN204185251U CN 204185251 U CN204185251 U CN 204185251U CN 201420619976 U CN201420619976 U CN 201420619976U CN 204185251 U CN204185251 U CN 204185251U
- Authority
- CN
- China
- Prior art keywords
- repone
- preheater
- fluidizing furnace
- furnace reactor
- sulfuric acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
-
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Landscapes
- Air Supply (AREA)
Abstract
The utility model provides a kind of device utilizing fluidizing furnace reactor to produce potassium sulfate, form primarily of Repone K feeding device, Repone K preheater, fluidizing furnace reactor, sulfuric acid preheater, hotblast stove and blower fan, described Repone K feeding device is connected with Repone K preheater by Repone K handling machinery, described Repone K preheater is connected with fluidizing furnace reactor, described sulfuric acid preheater is connected with fluidizing furnace reactor, and described fluidizing furnace reactor is connected with blower fan with hotblast stove by pipeline.The utility model equipment corrosion is light, and output is large, and quality is high and stable, reaches energy-saving and cost-reducing object.
Description
Technical field
The utility model relates to a kind of employing with Repone K and sulfuric acid be raw material production potassium sulfate fluidizing furnace technique device and method, and technical field is inorganic chemicals industry and chemical fertilizer industry.
Background technology
Potassium sulfate is a kind of chlorideless potassic fertilizer, is mainly used in and avoids on the cash crop of chlorine, such as: the farm crop such as veterinary antibiotics, tobacco, tealeaves and silkworm and mulberry.The main production process of potassium sulfate has: sea lake salt bittern preparing potassium sulfate, sylvite ore stone preparing potassium sulfate, Repone K and vitriol metathesis conversion method, Repone K sulfuric acid conversion method etc., and wherein Repone K sulfuric acid conversion method is the important method of producing potassium sulfate, it represents method is Mannheim proeess.
Mannheim proeess adopts Repone K and sulfuric acid to be raw material, 500-600 DEG C of pyroreaction is provided to produce potassium sulfate by means such as metabolic water coal vapour, liquefied gas, heavy oil, the method is the production method that preparing potassium sulfate Technology is the most ripe, technically reliable, technological process is comparatively simple, major equipment is mannheim furnace, and the potassium sulfate utilizing this method to produce accounts for more than 70% of world's potassium sulfate ultimate production." a kind of Reaktionsofen producing potassium sulfate " (Chinese patent, application number: 01243499X) provide a kind of Reaktionsofen being raw material production potassium sulfate with sulfuric acid and Repone K, this Reaktionsofen is based on mannheim (Mannheim) method, at high temperature allow Repone K and sulfuric acid reaction produce potassium sulfate, coal gas, Sweet natural gas, heavy oil etc. can be used as thermal source.But Mannheim proeess exists reaction need carry out under the condition in high-temperature strong acid, and energy consumption is large, and equipment corrosion is serious, and maintenance capacity is large, long reaction time, expand the problems such as single stove throughput difficulty.
Disclose the patent of multiple low temperature conversion method in recent years, " producing novel process and the major equipment configuration of potassium sulfate " (Chinese patent, application number: 991166213), " a kind of method of industrialization low temperature continuous sulphuric acid production potassium " (Chinese patent, application number: 2011103991549), " a kind of method of co-production of potassium sulphate and ammonium chloride through liquid extraction " (Chinese patent, application number: 2008101890255), " production of potassium sulfate by conversion process " (Chinese patent, application number: 941184676), " process for low temp. production of potassium sulfate " (Chinese patent, application number: 941130606), " preparing the method for potassium sulfate by Repone K and sulfuric acid liquid-phase conversion " (Chinese patent, application number: 931077818), " method of reaction, extraction and crystallization One-step production potassium sulfate " (Chinese patent, application number: 200710114514X) etc., then provide with sulfuric acid and Repone K as raw material, at normal temperatures or under cold condition, produce the method for potassium sulfate.Above method or there is complex technical process, production cost is high, or exists and use organic hazardous solvent, to problems such as environment work the mischief.
Summary of the invention
The purpose of this utility model is to provide a kind of with Repone K and sulfuric acid be raw material scale operation potassium sulfate fluidizing furnace process unit and method, the utility model adopts the novel process of fluidizing furnace chemical reaction, thus equipment corrosion is alleviated, maintenance capacity reduces, greatly can improve single stove throughput, reach energy-saving and cost-reducing object.
The technical solution of the utility model:
Fluidizing furnace reactor is utilized to produce the device of potassium sulfate, it is formed primarily of Repone K feeding device, Repone K preheater, fluidizing furnace reactor, sulfuric acid preheater, hotblast stove and blower fan, described Repone K feeding device is connected with Repone K preheater by Repone K handling machinery, described Repone K preheater is connected with fluidizing furnace reactor, described sulfuric acid preheater is connected with fluidizing furnace reactor, and described fluidizing furnace reactor is connected with blower fan with hotblast stove by pipeline.
Foregoing device, preferred scheme is, described Repone K material feeding device is made up of Repone K feed bin, Repone K handling machinery, and described Repone K feed bin is connected with Repone K preheater by Repone K handling machinery.
Foregoing device, preferred scheme is, described Repone K preheater, inner liner abrasive resistant protective layer, exterior thermal insulation layer; Built with gas distribution tube, above have hydrogen chloride gas outlet, under Repone K metering conveyor is housed.
Foregoing device, preferred scheme is, described fluidizing furnace reactor, inner liner abrasive resistant protective layer, exterior thermal insulation layer, hot-wind inlet is arranged at bottom, and lower side has potassium sulfate to export, upper side has hydrogen chloride gas to export, and hydrogen chloride gas outlet is connected with the gas distribution tube in Repone K preheater.
Foregoing device, preferred scheme is, described sulfuric acid preheater is connected with sulfuric acid spraying gun.
Foregoing device, preferred scheme is, described hot air furnace hot air outlet is connected with the hot-wind inlet of fluidizing furnace reactor lower part.
Foregoing device, preferred scheme is, described blower fan is roots blower.
The utility model additionally provides the method utilizing fluidizing furnace reactor to produce potassium sulfate, Repone K preheater sent into by the Repone K handling machinery of Repone K in Repone K material feeding device Repone K feed bin through Repone K feed bin bottom, measured send into fluidizing furnace reactor in Repone K preheater after preheating by the Repone K metering conveyor of Repone K preheater bottom; After the sulfuric acid of metering enters sulfuric acid preheater preheats, be atomized by sulfuric acid spraying gun and send into fluidizing furnace reactor hot-wind inlet, enter fluidizing furnace reactor with hot blast; Enter the Repone K of Reaktionsofen and sulfuric acid gas at high temperature to react and generate potassium sulfate and hydrogenchloride, the potassium sulfate generated is discharged from the outlet of fluidizing furnace reactor lower part side potassium sulfate, the hydrogen chloride gas generated discharges from the hydrogenchloride outlet of fluidizing furnace reactor upper side the gas distribution tube entered in Repone K preheater, then enter Repone K material bed from the gas spout gas distribution tube and be delivered to relieving haperacidity operation from the hydrogen chloride gas outlet discharge of Repone K preheater and carry out cooling, absorbing, generate technical hydrochloric acid.
Foregoing method, preferred scheme is, the weight ratio of Repone K and sulfuric acid dosage is that 0.85-0.95:0.55-0.65(is preferred, and the weight ratio of Repone K and sulfuric acid dosage is 0.91:0.61).
Foregoing method, preferred scheme is, hot air furnace hot air temperature controls at 800 DEG C-1000 DEG C, and fluidizing furnace temperature of reactor controls at 600 DEG C-650 DEG C.
Foregoing method, preferred scheme is, sulfuric acid used selects mass concentration to be the industrial sulphuric acid (preferred mass concentration is the industrial sulphuric acid of 98%) of 93%-98%.
Foregoing method, preferred scheme is, sulfuric acid preheater sulfuric acid temperature out controls at 200 DEG C ~ 260 DEG C.
Foregoing method, preferred scheme is, the potassium oxide content of Repone K used is greater than 60%.
Technical superiority of the present utility model is embodied in:
1, equipment corrosion alleviates, and maintenance capacity reduces;
2, single complete equipment production output is large, reaches energy-saving and cost-reducing object;
3, production process is without waste water, waste gas, solid waste discharge, to environment without harm.
Please supplement the content about technical superiority at this, the document quoted as proof in background technology will be contrasted targetedly and set forth.
The contrast of gained potassium product quality and expected volume and the current Mannheim proeess extensively adopted.Thus, the utility model quality product is high and stable, and production output is large.In addition, the utility model equipment corrosion alleviates, and maintenance capacity reduces, and reaches energy-saving and cost-reducing object.
Accompanying drawing explanation
Fig. 1 is the process flow sheet of the utility model method,
Fig. 2 is the schematic diagram of the utility model device.
Wherein: 1, Repone K feed bin; 2, Repone K preheater; 3, fluidizing furnace reactor; 4, sulfuric acid preheater; 5, hotblast stove; 6, blower fan; 7, Repone K handling machinery; 8, gas distribution tube inlet; 9, hydrogen chloride gas outlet; 10, gas distribution tube; 11, gas spout; 12, Repone K metering conveyor; 13, hydrogen chloride gas outlet; 14, potassium sulfate outlet; 15, hot-wind inlet; 16, sulfuric acid entrance; 17, sulfuric acid spraying gun; 18, hot blast conveying pipe; 19, air delivery pipe.
Embodiment
Describe the technical solution of the utility model in detail below in conjunction with embodiment and accompanying drawing, but protection domain is not by this restriction.
The apparatus and method of embodiment 1 one kinds of fluidizing furnace explained hereafter potassium sulfate, its device is formed primarily of devices such as Repone K material feeding device, Repone K preheater (2), fluidizing furnace reactor (3), sulfuric acid preheater (4), hotblast stoves (5).Repone K feeding device forms (7) by Repone K feed bin (1), Repone K handling machinery and forms, and Repone K feed bin (1) is connected with Repone K preheater (2) by Repone K handling machinery (7); Repone K preheater (2) inner liner abrasive resistant protective layer, exterior thermal insulation layer, built with gas distribution tube (10), above opens at hydrogen chloride gas outlet (9), under Repone K metering conveyor (12) is housed, gas distribution tube (10) is provided with gas spout (11); Fluidizing furnace reactor (3) inner liner abrasive resistant protective layer, exterior thermal insulation layer, hot-wind inlet (15) is arranged at bottom, lower side has potassium sulfate to export (14), upper side has hydrogen chloride gas to export (13), and hydrogen chloride gas outlet (13) is connected with the gas distribution tube (10) in Repone K preheater (2); Sulfuric acid preheater (4) is connected with sulfuric acid spraying gun (17), and fluidizing furnace reactor hot-wind inlet (15) is sent in the atomization of the sulfuric acid of preheating; Hotblast stove (5) hot-blast outlet is connected with the hot-wind inlet (15) of fluidizing furnace reactor (3) bottom, and hotblast stove (5) required air is carried by blower fan (6).
The utility model device is utilized to carry out the method for potassium sulfate production as follows:
Repone K preheater (2) sent into by the Repone K handling machinery (7) of Repone K in Repone K feed bin (1) through Repone K feed bin bottom, measured send into fluidizing furnace reactor (3) in Repone K preheater (2) after preheating by the Repone K metering conveyor (12) of bottom.Through metering sulfuric acid after the sulfuric acid entrance (16) on sulfuric acid preheater (4) enters sulfuric acid preheater (4) preheating, be atomized the hot-wind inlet (15) sending into fluidizing furnace reactor (3) by sulfuric acid spraying gun (17), enter fluidizing furnace reactor (3) with hot blast.Enter the Repone K of fluidizing furnace reactor (3) and sulfuric acid gas at high temperature to react and generate potassium sulfate and hydrogenchloride, the potassium sulfate generated is discharged from fluidizing furnace reactor (3) lower side potassium sulfate outlet (14), the hydrogen chloride gas generated discharges from hydrogenchloride outlet (13) of fluidizing furnace reactor (3) upper side the gas distribution tube (10) entered in Repone K preheater (2), then enter Repone K material bed from the gas spout (11) gas distribution tube (10) and be delivered to relieving haperacidity operation from hydrogen chloride gas outlet (9) discharge of Repone K preheater (2) and cool, absorb, generate the technical hydrochloric acid of 31%.
The weight ratio of Repone K and sulfuric acid is 0.85:0.56.Sulfuric acid used select mass concentration be 98% industrial sulphuric acid.The potassium oxide content of Repone K used is greater than 62%.Hotblast stove temperature out controls at 900 DEG C.
The apparatus and method of embodiment 2 one kinds of fluidizing furnace explained hereafter potassium sulfate, apparatus and method step still can refer to embodiment 1.Unlike, the weight ratio of Repone K and sulfuric acid dosage is 0.85:0.58, sulfuric acid used select mass concentration be 93% industrial sulphuric acid, hotblast stove temperature out controls at 850 DEG C.
The apparatus and method of embodiment 3 one kinds of fluidizing furnace explained hereafter potassium sulfate, apparatus and method step still can refer to embodiment 1.Unlike, the weight ratio of Repone K and sulfuric acid dosage is 0.90:0.62, sulfuric acid used select mass concentration be 96% industrial sulphuric acid, the potassium oxide content of Repone K used is greater than 60%, and hotblast stove temperature out controls at 950 DEG C.
Following table is the contrast of the utility model embodiment 1 gained potassium product quality and expected volume and the current Mannheim proeess extensively adopted.Thus, the utility model quality product is high and stable, and production output is large.In addition, the utility model equipment corrosion alleviates, and maintenance capacity reduces, and reaches energy-saving and cost-reducing object.
It should be pointed out that embodiment is the more representational example of the utility model, the technical solution of the utility model is not limited to above-described embodiment.A lot of distortion can also be had.Those of ordinary skill in the art, mentions or associates disclosed in from then in file, all should think the claimed scope of this patent.
Claims (7)
1. utilize fluidizing furnace reactor to produce the device of potassium sulfate, it is characterized in that, form primarily of Repone K feeding device, Repone K preheater, fluidizing furnace reactor, sulfuric acid preheater, hotblast stove and blower fan, described Repone K feeding device is connected with Repone K preheater by Repone K handling machinery, described Repone K preheater is connected with fluidizing furnace reactor, described sulfuric acid preheater is connected with fluidizing furnace reactor, and described fluidizing furnace reactor is connected with blower fan with hotblast stove by pipeline.
2. device according to claim 1, is characterized in that, described Repone K material feeding device is made up of Repone K feed bin, Repone K handling machinery, and described Repone K feed bin is connected with Repone K preheater by Repone K handling machinery.
3. device according to claim 1, is characterized in that, described Repone K preheater, inner liner abrasive resistant protective layer, exterior thermal insulation layer; Built with gas distribution tube, above have hydrogen chloride gas outlet, under Repone K metering conveyor is housed.
4. device according to claim 1, it is characterized in that, described fluidizing furnace reactor, inner liner abrasive resistant protective layer, exterior thermal insulation layer, hot-wind inlet is arranged at bottom, and lower side has potassium sulfate to export, upper side has hydrogen chloride gas to export, and hydrogen chloride gas outlet is connected with the gas distribution tube in Repone K preheater.
5. device according to claim 1, is characterized in that, described sulfuric acid preheater is connected with sulfuric acid spraying gun.
6. device according to claim 1, is characterized in that, described hot air furnace hot air outlet is connected with the hot-wind inlet of fluidizing furnace reactor lower part.
7. device according to claim 1, is characterized in that, described blower fan is roots blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420619976.2U CN204185251U (en) | 2014-10-24 | 2014-10-24 | Fluidizing furnace reactor is utilized to produce the device of potassium sulfate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420619976.2U CN204185251U (en) | 2014-10-24 | 2014-10-24 | Fluidizing furnace reactor is utilized to produce the device of potassium sulfate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204185251U true CN204185251U (en) | 2015-03-04 |
Family
ID=52617263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420619976.2U Expired - Fee Related CN204185251U (en) | 2014-10-24 | 2014-10-24 | Fluidizing furnace reactor is utilized to produce the device of potassium sulfate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204185251U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104291361A (en) * | 2014-10-24 | 2015-01-21 | 聊城大学 | Device and method for producing potassium sulfate by utilizing fluidized bed furnace reactor |
-
2014
- 2014-10-24 CN CN201420619976.2U patent/CN204185251U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104291361A (en) * | 2014-10-24 | 2015-01-21 | 聊城大学 | Device and method for producing potassium sulfate by utilizing fluidized bed furnace reactor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102092751B (en) | Method for preparing aluminum oxide and co-producing hydrochloric acid from aluminum chloride hexahydrate through pyrolytic crystallization | |
| CN203097979U (en) | High-temperature cinder waste heat recovery power generation device | |
| CN106011500A (en) | Molten carbon heating type induction furnace based vacuum magnesium production system and magnesium production method thereof | |
| CN104326502B (en) | Vapor phase process prepares the method and apparatus of anhydrous chlorides of rase earth elements | |
| CN204185251U (en) | Fluidizing furnace reactor is utilized to produce the device of potassium sulfate | |
| CN104291361B (en) | Fluidizing furnace reactor is utilized to produce the apparatus and method of potassium sulfate | |
| CN105460926A (en) | Boat-free natural graphite purification process | |
| CN101941807A (en) | Process flow and equipment for producing cement clinker by high-temperature molten-state slag | |
| CN204185250U (en) | Multicompartment fluidized bed reactor is utilized to produce the device of potassium sulfate | |
| CN102701892A (en) | Preparation method of emulsion explosive aqueous solution | |
| CN103043930B (en) | Method and equipment for producing cement and gathering CO2 by utilizing closed ring-shaped calcination furnace | |
| CN204079519U (en) | Vapor phase process prepares the system of anhydrous chlorides of rase earth elements | |
| CN102674412A (en) | Preparation method of magnesium chloride hexahydrate | |
| CN103805727B (en) | A kind of method adopting bucket machine hot charging direct-reduced iron | |
| CN206069967U (en) | A kind of aluminum-extracted pulverized fuel ash device | |
| CN104310436A (en) | Device and method for producing potassium sulphate by using multistage fluidized bed reactor | |
| CN106152785B (en) | A kind of heating furnace and its application method of ore microwave treatment | |
| CN204022687U (en) | A kind of fully-automatic production unslaked lime powder unit | |
| CN106139635A (en) | The device of a kind of monazite caustic digestion liquid crystallisation by cooling precipitation and technique thereof | |
| CN204079505U (en) | A kind of carry out microwave radiation heating produces the reactive multilayer furnace apparatus of potassium sulfate | |
| CN203976396U (en) | Concentrated hydrochloric acid production equipment | |
| CN103771369B (en) | A kind of spiral tube yellow phosphorus gasification combustion furnace | |
| CN104150443B (en) | High-concentration hydrochloric acid production device | |
| CN101164903B (en) | Device for preparing cobaltosic oxide powder by spray roasting | |
| CN104150511A (en) | Multilayer reactor device for producing potassium sulfate through microwave radiation heating and method |
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 |
Granted publication date: 20150304 Termination date: 20151024 |
|
| EXPY | Termination of patent right or utility model |