CN104261903A - Method and equipment of processing rounded potassium sulfate grains - Google Patents
Method and equipment of processing rounded potassium sulfate grains Download PDFInfo
- Publication number
- CN104261903A CN104261903A CN201410462234.8A CN201410462234A CN104261903A CN 104261903 A CN104261903 A CN 104261903A CN 201410462234 A CN201410462234 A CN 201410462234A CN 104261903 A CN104261903 A CN 104261903A
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- Prior art keywords
- potassium sulfate
- heat setting
- setting machine
- cooler
- dryer
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D1/00—Fertilisers containing potassium
- C05D1/02—Manufacture from potassium chloride or sulfate or double or mixed salts thereof
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a method and equipment of processing rounded potassium sulfate grains, and relates to a production method and production equipment of rounded potassium sulfate grains. In order to solve the problems that the existing method and equipment of producing the potassium sulfate grains are low in production efficiency and not beneficial to industrial production, the invention provides the method and the equipment. The method comprises the following steps: adding powdered potassium sulfate raw materials into a stirrer by virtue of a feeder, adding water into the raw materials to stir the raw materials into wet powder, and then introducing the wet powder into a pelletizer for pelletizing by virtue of a material distributor; then, horizontally conveying the pelletized potassium sulfate into a preheating setting machine by virtue of a horizontal conveyor, rotating and advancing potassium sulfate grains in a roller of the preheating setting machine, conveying the potassium sulfate grains from the preheating setting machine into a dryer for drying by virtue of a waistband lifter, and then introducing the dried potassium sulfate grains into a cooler for cooling; and finally, feeding the cooled potassium sulfate grains into a multi-stage roller screening machine by virtue of a hopper type lifter and then introducing the screened potassium sulfate grains into a finished product storage bin and a waste storage bin, and re-feeding materials in the waste storage bin into the stirrer so as to be reproduced. According to the method and the equipment disclosed by the invention, the production efficiency is high and continuous production can be realized.
Description
Technical field:
The production method that the present invention relates to round granular potassium sulfate and the equipment used.
Background technology:
The salt that potassium sulfate is made up of sulfate ion and potassium ion is colourless under unobstructed situation or white crystals or powder, is being agriculturally conventional potash fertilizer.In order to improve utilization rate of fertilizer, need to be made into particulate state.The method of current production granular potassium sulfate mainly contains two kinds: one is dry powder pair roller extrusion process, and another kind is disc granulation method.Existing granular potassium sulfate about has 90% to be all adopt dry powder pair roller extrusion process to produce, and its weak point is that power consumption is comparatively large, and production efficiency is low, and product is irregular particle, and hardness is less, easily produces powder in transport process.And the weak point of disc granulation method is that production capacity is low, particle is dried need stop 24-48 hour, can not continuous seepage, is unfavorable for suitability for industrialized production.
Summary of the invention:
Technical problem to be solved by this invention is to provide a kind of method of processing potassium sulfate round shaped grain and the equipment used, its potassium sulfate round shaped grain regular shape produced, and quality is good, and hardness is large; And can continuous seepage, consume energy little.
The method of processing potassium sulfate round shaped grain: raw material used in the present invention is pulverous potassium sulfate, pulverous potassium sulfate raw material is put in agitator through cast feeder, add appropriate water and stir into wet-milling shape, amount of water is 20% of potassium sulfate raw material weight, stirring the potassium sulfate of wet-milling shape after 5 minutes enters in tripper, wet powdered potassium sulfate in it is assigned in several tablets presss and is carried out granulation by tripper, in each tablets press, granular potassium sulfate is out transported in pre-heat setting machine through horizontal conveyer and carries out pre-heat setting type, the blower fan work be connected with pre-heat setting machine, heat air delivery in pre-heat setting machine, temperature in pre-heat setting machine is 50 DEG C, granular potassium sulfate rotates limit at the cylinder inner edge of pre-heat setting machine and advances, granular potassium sulfate in pre-heat setting machine out after be transported in dryer through opotism lift, the temperature of dryer is 500 DEG C, granular potassium sulfate is dried in the process running to exit end from the inlet end of dryer, then cooling in cooler is entered, connect the blower fan work of cooler, transporting cold wind in cooler, granular potassium sulfate is cooled to 70 DEG C in cooler, then the specification be sent to according to particle in multiple rollers screen-dividing machine through chapelet is sieved, granular potassium sulfate after screening enters finished product bunker and waste product bunker respectively, the material entering waste product bunker is put in agitator again, again produce.
The equipment that processing potassium sulfate round shaped grain uses comprises cast feeder, agitator, tripper, tablets press, horizontal conveyer, pre-heat setting machine, opotism lift, dryer, cooler, chapelet, multiple rollers screen-dividing machine, product bunker, waste product bunker, the outlet of described cast feeder is connected by pipeline with the entrance of agitator, the outlet of agitator is connected by pipeline with between tripper entrance, each outlet of tripper is connected with the opening for feed of several tablets presss by pipeline, horizontal conveyer is provided with between several tablets presss and pre-heat setting machine, cylinder is provided with in pre-heat setting machine, cylinder is contained on pre-heat setting machine by axle, ash bucket is had below cylinder, connected by airduct between pre-heat setting machine and an air-heater, opotism lift is provided with between pre-heat setting machine and dryer, connected by airduct between dryer and another air-heater, connected by pipeline between dryer outlet and cooler entrance, chapelet is provided with between cooler outlet and multiple rollers screen-dividing machine entrance, connected by airduct between cooler and cold wind blower fan, the material outlet of multilevel screening machine is connected with waste product bunker entrance with product bunker respectively by pipeline.
Advantage of the present invention is: due in process of production; in each tablets press, granular potassium sulfate is out delivered in pre-heat setting machine through horizontal conveyer and is carried out pre-heat setting type; and enter in dryer and dry; then cool; so the potassium sulfate round shaped grain regular shape obtained; hardness is large, and quality is good, and production efficiency is high.In addition can continuous seepage, power consumption is few.
Accompanying drawing illustrates:
Accompanying drawing is the equipment flowsheet schematic diagram in the present invention.
Embodiment:
The method of processing potassium sulfate round shaped grain: raw material used in the present invention is pulverous potassium sulfate, pulverous potassium sulfate raw material is put in agitator through cast feeder, add appropriate water and stir into wet-milling shape, amount of water is 20% of potassium sulfate raw material weight, stirring the potassium sulfate of wet-milling shape after 5 minutes enters in tripper, wet powdered potassium sulfate in it is assigned in several tablets presss and is carried out granulation by tripper, in each tablets press, granular potassium sulfate is out transported in pre-heat setting machine through horizontal conveyer and carries out pre-heat setting type, the blower fan work be connected with pre-heat setting machine, heat air delivery in pre-heat setting machine, temperature in pre-heat setting machine is 50 DEG C, granular potassium sulfate rotates limit at the cylinder inner edge of pre-heat setting machine and advances, granular potassium sulfate in pre-heat setting machine out after be transported in dryer through opotism lift, the temperature of dryer is 500 DEG C, granular potassium sulfate is dried in the process running to exit end from the inlet end of dryer, then cooling in cooler is entered, connect the blower fan work of cooler, transporting cold wind in cooler, granular potassium sulfate is cooled to 70 DEG C in cooler, then the specification be sent to according to particle in multiple rollers screen-dividing machine through chapelet is sieved, granular potassium sulfate after screening enters finished product bunker and waste product bunker respectively, the material entering waste product bunker is put in agitator again, again produce.
The equipment that processing potassium sulfate round shaped grain uses comprises cast feeder 1, agitator 2, tripper 3, tablets press 4, horizontal conveyer 5, pre-heat setting machine 6, opotism lift 7, dryer 8, cooler 9, chapelet 10, multiple rollers screen-dividing machine 11, product bunker 12, waste product bunker 13, two air-heaters 14, cold wind blower fans 15, the outlet of described cast feeder 1 is connected by pipeline with the entrance of agitator 2, the outlet of agitator 2 is connected by pipeline with between tripper 3 entrance, each outlet of tripper 3 is connected by the opening for feed of pipeline with several tablets presss 4, horizontal conveyer 5 is provided with between several tablets presss 4 and pre-heat setting machine 6, cylinder is provided with in pre-heat setting machine, cylinder is contained on pre-heat setting machine by axle, ash bucket is had below cylinder, connected by airduct between pre-heat setting machine and an air-heater 14, opotism lift 7 is provided with between pre-heat setting machine 6 and dryer 8, connected by airduct between dryer and another air-heater 14, connected by pipeline between dryer outlet and cooler 9 entrance, chapelet 10 is provided with between cooler outlet and multiple rollers screen-dividing machine 11 entrance, connected by airduct between cooler and cold wind blower fan 15, the material outlet of multilevel screening machine is connected with waste product bunker 13 entrance with product bunker 12 respectively by pipeline.
Claims (2)
1. process the method for potassium sulfate round shaped grain, it is characterized in that: the raw material used is pulverous potassium sulfate, pulverous potassium sulfate raw material is put in agitator through cast feeder, add appropriate water and stir into wet-milling shape, amount of water is 20% of potassium sulfate raw material weight, stirring the potassium sulfate of wet-milling shape after 5 minutes enters in tripper, wet powdered potassium sulfate in it is assigned in several tablets presss and is carried out granulation by tripper, in each tablets press, granular potassium sulfate is out transported in pre-heat setting machine through horizontal conveyer and carries out pre-heat setting type, the blower fan work be connected with pre-heat setting machine, heat air delivery in pre-heat setting machine, temperature in pre-heat setting machine is 50 DEG C, granular potassium sulfate rotates limit at the cylinder inner edge of pre-heat setting machine and advances, granular potassium sulfate in pre-heat setting machine out after be transported in dryer through opotism lift, the temperature of dryer is 500 DEG C, granular potassium sulfate is dried in the process running to exit end from the inlet end of dryer, then cooling in cooler is entered, connect the blower fan work of cooler, transporting cold wind in cooler, granular potassium sulfate is cooled to 70 DEG C in cooler, then the specification be sent to according to particle in multiple rollers screen-dividing machine through chapelet is sieved, granular potassium sulfate after screening enters finished product bunker and waste product bunker respectively, the material entering waste product bunker is put in agitator again, again produce.
2. process the equipment that potassium sulfate round shaped grain uses, comprise cast feeder (1), agitator (2), tripper (3), tablets press (4), horizontal conveyer (5), pre-heat setting machine (6), opotism lift (7), dryer (8), cooler (9), chapelet (10), multiple rollers screen-dividing machine (11), product bunker (12), waste product bunker (13), two air-heaters (14), cold wind blower fan (15), the outlet of described cast feeder (1) is connected by pipeline with the entrance of agitator (2), the outlet of agitator (2) is connected by pipeline with between tripper (3) entrance, each outlet of tripper (3) is connected by the opening for feed of pipeline with several tablets presss (4), horizontal conveyer (5) is provided with between several tablets presss (4) and pre-heat setting machine (6), cylinder is provided with in pre-heat setting machine, cylinder is contained on pre-heat setting machine by axle, ash bucket is had below cylinder, connected by airduct between pre-heat setting machine and an air-heater (14), opotism lift (7) is provided with between pre-heat setting machine (6) and dryer (8), connected by airduct between dryer and another air-heater (14), connected by pipeline between dryer outlet and cooler (9) entrance, chapelet (10) is provided with between cooler outlet and multiple rollers screen-dividing machine (11) entrance, connected by airduct between cooler and cold wind blower fan (15), the material outlet of multilevel screening machine is connected with waste product bunker (13) entrance with product bunker (12) respectively by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410462234.8A CN104261903B (en) | 2014-09-04 | 2014-09-04 | Process the method for potassium sulfate round shaped grain and used equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410462234.8A CN104261903B (en) | 2014-09-04 | 2014-09-04 | Process the method for potassium sulfate round shaped grain and used equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104261903A true CN104261903A (en) | 2015-01-07 |
| CN104261903B CN104261903B (en) | 2017-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410462234.8A Expired - Fee Related CN104261903B (en) | 2014-09-04 | 2014-09-04 | Process the method for potassium sulfate round shaped grain and used equipment |
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| CN (1) | CN104261903B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106045708A (en) * | 2016-06-09 | 2016-10-26 | 青岛久正源机械有限公司 | Potassium sulphate pelleting production line |
| CN110066192A (en) * | 2019-06-13 | 2019-07-30 | 任红斌 | A kind of equipment and its preparation process manufacturing complete water-soluble rounded grain potassium sulfate |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1277939A (en) * | 2000-06-30 | 2000-12-27 | 高延军 | Method for preparing granular potassium sulfate, and the special binder therefor |
| CN102503696A (en) * | 2011-11-10 | 2012-06-20 | 上海化工研究院 | Preparation method for particle compound fertilizer |
| CN103113168A (en) * | 2013-03-20 | 2013-05-22 | 广西新方向化学工业有限公司 | Novel high-efficiency granule potash magnesium sulphate fertilizer and preparation method thereof |
| CN103159539A (en) * | 2011-12-12 | 2013-06-19 | 蒋永直 | Potash fertilizer comprising growth regulator |
| CN103664356A (en) * | 2013-11-25 | 2014-03-26 | 滁州华冶机电科技有限公司 | Pellet potash fertilizer pelletizing technology |
| CN103721630A (en) * | 2013-12-18 | 2014-04-16 | 焦作市清化化工钾肥有限公司 | Potash fertilizer granulation device |
-
2014
- 2014-09-04 CN CN201410462234.8A patent/CN104261903B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1277939A (en) * | 2000-06-30 | 2000-12-27 | 高延军 | Method for preparing granular potassium sulfate, and the special binder therefor |
| CN102503696A (en) * | 2011-11-10 | 2012-06-20 | 上海化工研究院 | Preparation method for particle compound fertilizer |
| CN103159539A (en) * | 2011-12-12 | 2013-06-19 | 蒋永直 | Potash fertilizer comprising growth regulator |
| CN103113168A (en) * | 2013-03-20 | 2013-05-22 | 广西新方向化学工业有限公司 | Novel high-efficiency granule potash magnesium sulphate fertilizer and preparation method thereof |
| CN103664356A (en) * | 2013-11-25 | 2014-03-26 | 滁州华冶机电科技有限公司 | Pellet potash fertilizer pelletizing technology |
| CN103721630A (en) * | 2013-12-18 | 2014-04-16 | 焦作市清化化工钾肥有限公司 | Potash fertilizer granulation device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106045708A (en) * | 2016-06-09 | 2016-10-26 | 青岛久正源机械有限公司 | Potassium sulphate pelleting production line |
| CN110066192A (en) * | 2019-06-13 | 2019-07-30 | 任红斌 | A kind of equipment and its preparation process manufacturing complete water-soluble rounded grain potassium sulfate |
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| Publication number | Publication date |
|---|---|
| CN104261903B (en) | 2017-11-21 |
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Granted publication date: 20171121 Termination date: 20190904 |