CN206940758U - A kind of high tower compound fertilizer production system - Google Patents
A kind of high tower compound fertilizer production system Download PDFInfo
- Publication number
- CN206940758U CN206940758U CN201720909790.4U CN201720909790U CN206940758U CN 206940758 U CN206940758 U CN 206940758U CN 201720909790 U CN201720909790 U CN 201720909790U CN 206940758 U CN206940758 U CN 206940758U
- Authority
- CN
- China
- Prior art keywords
- buildings
- stall
- rotary screen
- floor
- rotary
- 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.)
- Active
Links
Landscapes
- Fertilizers (AREA)
Abstract
The utility model discloses a kind of high tower compound fertilizer production system, belong to high tower compound fertilizer technical field.Three buildings arrangements of the system point, including sequentially passing through Stall, second floor and the prilling granulator of three buildings, return conveyer and bucket elevator from the bottom to top, drying device, cooling device, Stall rotary screen and reducing mechanism in Stall, the second floor rotary screen in second floor is with coating device and in three Lou, tri- buildings rotary screens；Discharging opening, drying device, Stall rotary screen and the cooling device of prilling granulator bottom are sequentially connected by conveyer belt；The discharging opening of cooling device is connected by bucket elevator with the charging aperture of three buildings rotary screens；Discharging opening, second floor rotary screen and the coating device of three buildings rotary screens are sequentially connected by conveyer belt, and the outlet of its coarse fodder is connected by the charging aperture of conveyer belt and reducing mechanism；The fines outlet of discharging opening, Stall rotary screen and the fines outlet of second floor rotary screen of reducing mechanism are connected by the returning charge mouth of return conveyer and prilling granulator.
Description
Technical field
The utility model belongs to high tower compound fertilizer technical field, more particularly to a kind of high tower compound fertilizer production system.
Background technology
Exploration project that high tower compound fertilizer category country is encouraged, the " three high " of support development is supported agriculture, is urinated using international advanced melt
Plain carrier tower granulation technology, project key innovations, it is to use the raw material such as fusing urea and phosphorus, potassium, in well-mixed feelings
Under condition, from high tower top spray and under, natural cooling be granulated, production process no moisture introduce and three waste discharge, be in original basis
On an important breakthrough, save construction investment, flow is more connected, and product appearance is smooth, and carry Pinhole-shaped, and itself has
There is antiforge function, its nitrogen content is current composite fertilizer of world manufacturing field highest.
Its technological principle is as follows：Solid urea or ammonium nitrate（Ammonium nitrate phosphorus etc.）Turn into fused solution after heating melting, can also be straight
Connect using the fused solution after being concentrated by evaporation.Corresponding phosphate fertilizer, potash fertilizer, filler and additive are added in fused solution compound is made
Slurry.Mixed slurry is sent into high-tower granulation device and carries out sprinkling granulation, the granulation material by prilling granulator sprinkling into granulation tower,
During declining from high tower, interacted with the air resistance risen from bottom of towe, bottom of towe dropped to after carrying out heat exchange with it,
The granule materials of bottom of towe are fallen into, granular complex fertilizer is obtained after screened surface treatment.
Composite heat transfer system of the prior art includes three Lou, tri- buildings rotary screens（Specification is 1800mm*6000mm）With
Prilling granulator head, the second floor rotary screen of second floor（Specification is 1400mm*4500mm）With coating machine and the disintegrating machine of Stall and one
The climbing belt in building etc..Three buildings rotary screens not only sieve powder and also sieve finished product, and the material of bulky grain enters disintegrating machine after screening, and powder enters
Enter return conveyer, finished product carries out sieve powder into second floor rotary screen, and after the screening of second floor rotary screen, powder enters return conveyer, qualified
Material enters coating machine, and disintegrating machine and return conveyer pass through Stall to the climbing belt of three buildings to prilling granulator.
Applicant has found following problem when using said system production composite fertilizer：
1st, material powders are sent to second floor drop by three buildings and produce dust, and material powders are sent to Stall drop by second floor and produce powder
Dirt, cause live airborne dust big.
2nd, in shattering process, granular size drop is big, and crushing efficiency is not high, and disintegrating machine load is big.
3rd, climbing belt is easily skidded.
4th, product moisture content is high（1.5-2.0%）And temperature during finished product pack（More than 60 DEG C）It is higher, cause product easily to be tied
Block.
5th, live airborne dust is big, and dust pelletizing system is not easy to set, it is necessary to set more set dust pelletizing systems.
6th, sieving capacity does not reach design requirement, faulty materials easily occurs.
The content of the invention
In order to solve the above problems, the utility model embodiment provides a kind of high tower compound fertilizer production system, the system
The more uniform and prevented from caking product of particle can be obtained, while the production environment of the system is good, airborne dust is less.The technical side
Case is as follows：
The utility model embodiment provides a kind of high tower compound fertilizer production system, and the system, which is divided three buildings, arranges, including by
Under it is supreme sequentially pass through Stall, second floor and the prilling granulator of three buildings, return conveyer and bucket elevator, the drying device in Stall,
Cooling device, Stall rotary screen and reducing mechanism, second floor rotary screen in second floor is with coating device and in tri- building, three Lou
Rotary screen；Discharging opening, drying device, Stall rotary screen and the cooling device of the prilling granulator bottom are connected successively by conveyer belt
Connect；The discharging opening of the cooling device is connected by bucket elevator with the charging aperture of three buildings rotary screens；Three buildings rotary screens go out
Material mouth, second floor rotary screen and coating device are sequentially connected by conveyer belt, and the outlet of its coarse fodder passes through conveyer belt and reducing mechanism
Charging aperture connects；The fines outlet of the discharging opening, Stall rotary screen of the reducing mechanism and the fines outlet of second floor rotary screen are equal
Connected by the returning charge mouth of return conveyer and prilling granulator；The sieving capacity of three buildings rotary screens is more than the sieve of Stall rotary screen
The ability of dividing.
Wherein, the reducing mechanism in the utility model embodiment is chain breaker, and the cooling device is plate-type heat-exchange
Device, the drying device are fluid bed.
Specifically, the specification of the Stall rotary screen in the utility model embodiment is 1400mm*4500mm, the second floor rolling
The specification of shaft screen is 1600mm*7000mm, and the specification of three buildings rotary screens is 1800mm*6000mm.
Further, the high tower compound fertilizer production system that the present embodiment provides also includes filling located at the granulation dedusting of three buildings
Put, the head of the prilling granulator is located at three buildings, and the granulation dust arrester is set close to the head of prilling granulator and it includes
First cyclone dust collectors, the first exhaust fan, the first scrubbing tower and regulating tank, shower nozzle and circulation are provided with first scrubbing tower
Groove forms circulated sprinkling structure, and the offgas outlet of the prilling granulator, the first cyclone dust collectors, the first exhaust fan and first are washed
Wash tower to be sequentially connected by pipeline, the ash discharging hole of first cyclone dust collectors is connected by conveyer belt with anti-material belt, described
The head of circulating slot, regulating tank and prilling granulator is sequentially connected by pipeline, the regulating tank and circulating slot by pipeline with
Sulfuric acid storage tank connects.
Further, the high tower compound fertilizer production system that the present embodiment provides also includes removing with cooling located at the drying of Stall
Dirt device, the drying include the second cyclone dust collectors, falling dust room, the second exhaust fan and the second washing with cooling and dedusting device
Tower, the offgas outlet of the cooling device and the offgas outlet of drying device pass through the air inlet of pipeline and the second cyclone dust collectors
Mouthful connection, gas outlet, falling dust room, the second exhaust fan and the second scrubbing tower of second cyclone dust collectors by pipeline successively
Connection, the ash discharging hole of second cyclone dust collectors are connected by conveyer belt with anti-material belt.
The beneficial effect brought of technical scheme that the utility model embodiment provides is：The utility model embodiment provides
A kind of high tower compound fertilizer production system, for the high tower of routine, add Stall rotary screen, drying device and cooling dress
Put etc. and reduce climbing belt, while have adjusted the layout and connected mode of each equipment（The dust for reducing levels is defeated
Send）, by repeatedly sieving, cooling effect is not only increased, reduces cooler burden, it is ensured that screening effect, subtract simultaneously
The low burden of disintegrating machine and the uniformity that ensure that product；According further to actual conditions, three rotary screens use different rule
Lattice, to realize optimal screening efficiency.Further, the water content of product is ensured by the setting of drying device and cooling device
And temperature, avoid product from luming；It can ensure that production scene without dust, ensures by the setting of two single spraying and dust-removing systems
The good environment in scene.
Brief description of the drawings
Fig. 1 is the theory diagram of existing high tower compound fertilizer production system；
Fig. 2 is the theory diagram for the high tower compound fertilizer production system that the utility model embodiment provides；
Fig. 3 is the theory diagram for the granulation dust arrester that the utility model embodiment provides；
Fig. 4 is the drying and the theory diagram of cooling and dedusting device that the utility model embodiment provides.
Embodiment
It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer
Type is described in further detail.
Referring to Fig. 2, the utility model embodiment provides a kind of high tower compound fertilizer production system, three buildings cloth of the system point
Put, including sequentially pass through Stall, second floor and the prilling granulator of three buildings, return conveyer and bucket elevator from the bottom to top, in Stall
Drying device, cooling device, Stall rotary screen and reducing mechanism etc., second floor rotary screen and coating device in second floor etc. and place
In head of three Lou, tri- buildings rotary screens and prilling granulator etc..Wherein, Stall rotary screen be used for heat sieve, can screen out amount of powder and
There is cooling；Second floor rotary screen is that finished product screen can obtain product；Three buildings rotary screens are that scalping is entered for screening out bulky grain
Row returning charge；Drying device, cooling device are respectively used to product be dried and cools down the moisture control for making final product
System, at 45 DEG C or so, prevents product from luming in 0.5% or so, temperature control；Prilling granulator is mist projection granulating structure, and its head is set
Yu Sanlou（Including material-compound tank, melting tank, spray structure etc.）, its tower body is vertically through Stall, second floor and three buildings, its bottom
The discharging opening in portion is located at Stall.Wherein, the discharging opening of prilling granulator bottom, drying device, Stall rotary screen and cooling device lead to
Conveyer belt is crossed to be sequentially connected；The discharging opening of Stall rotary screen is connected by bucket elevator with the charging aperture of three buildings rotary screens；Three buildings rollings
Discharging opening, second floor rotary screen and the coating device of shaft screen are sequentially connected by conveyer belt, and the outlet of its coarse fodder passes through conveyer belt and powder
The charging aperture connection of crushing device；The fines outlet of discharging opening, Stall rotary screen of reducing mechanism and the fines of second floor rotary screen go out
Mouth passes through return conveyer and prilling granulator（Dosage bunker）Returning charge mouth connection.Further, relative to existing production system,
Increase the sieving capacity of second floor rotary screen, the sieving capacity of three buildings rotary screens is more than the sieving capacity of Stall rotary screen；Specifically,
The diameter of three buildings rotary screens is all higher than the diameter and length of Stall rotary screen with length.Stall rotary screen sieves a certain amount of powder
Dirt, cooling burden is reduced, reduce rising and drop dust.
Wherein, the reducing mechanism in the utility model embodiment is chain breaker, and cooling device is plate type heat exchanger, is done
Dry device is fluid bed.
Specifically, the specification of the Stall rotary screen in the utility model embodiment is 1400mm（Diameter）*4500mm（It is long
Degree）, the specification of second floor rotary screen is 1600mm（Diameter）*7000mm（Length）, the specification of three buildings rotary screens is 1800mm（Directly
Footpath）*6000mm（Length）.
Further, increase the conveying capacity of return conveyer in the present embodiment, B1200 is changed to by B1000.
Further, referring to Fig. 3, the high tower compound fertilizer production system that the present embodiment provides also includes the granulation located at three buildings
Dust arrester is used for the tail gas for handling prilling granulator.Wherein, the head of prilling granulator is located at three buildings, and the granulation dust arrester is close
The head of prilling granulator is set and it includes the first cyclone dust collectors, the first exhaust fan, the first scrubbing tower and regulating tank etc., the
Shower nozzle and circulating slot are provided with one scrubbing tower and forms circulated sprinkling structure, the offgas outlet of prilling granulator, the first cyclone dust collectors,
First exhaust fan and the first scrubbing tower are sequentially connected by pipeline, the ash discharging holes of the first cyclone dust collectors by conveyer belt with it is anti-
Expect belt connection, the head of circulating slot, regulating tank and prilling granulator（Dosage bunker）It is sequentially connected by pipeline, regulating tank and circulation
Groove is connected by pipeline with sulfuric acid storage tank or sulfuric acid production plant.Aforementioned means, it is by the way of pickling, scrubbing tower is a whole set of
System is moved on the head platform of prilling granulator, exhaust pipe is shortened as far as possible, and pickle uses composite heat transfer dilute sulfuric acid,
Suitable concn is recycled to, is re-fed into prilling granulator, while coordinate diluted acid to add（Keep the skin wet）.
Further, referring to Fig. 4, the high tower compound fertilizer production system that the present embodiment provides also includes the drying located at Stall
It is used to handle the tail gas of drying device and the tail gas of cooling device with cooling and dedusting device.Wherein, dry and cooling and dedusting device
Including the second cyclone dust collectors, falling dust room, the second exhaust fan and second scrubbing tower etc., the offgas outlet of cooling device and drying
The offgas outlet of device is connected by pipeline with the air inlet of the second cyclone dust collectors, the gas outlet of the second cyclone dust collectors,
Falling dust room, the second exhaust fan and the second scrubbing tower are sequentially connected by pipeline, and the ash discharging hole of the second cyclone dust collectors passes through biography
Band is sent to be connected with anti-material belt.
More enter a ground, Stall, second floor and three buildings respectively set a set of sack cleaner（Supporting exhaust blower uses）, raising per building
At dirt pits（Above equipment or at inlet and outlet, conveyer belt etc.）Dust shield is set, and multiple dust shields pass through pipeline and sack cleaner
Air inlet connection, the gas outlet of sack cleaner is connected by pipeline with exhaust blower to be used to empty, its ash discharging hole（Provided with ash discharge
Valve）It is connected by conveyer belt with return conveyer.
Wherein, " first " and " second " in the present embodiment only plays differentiation, without other Special Significances.
The utility model embodiment provides a kind of high tower compound fertilizer production system, for the high tower of routine, increases
Added Stall rotary screen, drying device and cooling device etc. and reduced climbing belt, at the same have adjusted each equipment layout and
Connected mode（Reduce the dust conveying of levels）, by repeatedly sieving, cooling effect is not only increased, reduces cooler
Burden, it is ensured that screening effect, while reduce the burden of disintegrating machine and ensure that the uniformity of product；According further to reality
Situation, three rotary screens use different specifications, to realize optimal screening efficiency.Further, by drying device and cold
But the setting of device ensures the water content and temperature of product, avoids product from luming；Pass through two single spraying and dust-removing systems
Setting can ensure that production scene without dust, ensures the good environment in scene.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in
Within the scope of shield.
Claims (5)
- A kind of 1. high tower compound fertilizer production system, it is characterised in that three buildings arrangements of the system point, including pass through successively from the bottom to top Stall, second floor and the prilling granulator of three buildings, return conveyer and bucket elevator are worn, drying device, cooling device, Stall in Stall Rotary screen and reducing mechanism, the second floor rotary screen in second floor is with coating device and in three Lou, tri- buildings rotary screens；It is described to make Discharging opening, drying device, Stall rotary screen and the cooling device of grain bottom of device are sequentially connected by conveyer belt；The cooling dress The discharging opening put is connected by bucket elevator with the charging aperture of three buildings rotary screens；Discharging opening, the second floor roller of three buildings rotary screens Sieve and coating device are sequentially connected by conveyer belt, and the outlet of its coarse fodder is connected by the charging aperture of conveyer belt and reducing mechanism；Institute State the discharging opening of reducing mechanism, the fines outlet of Stall rotary screen and the fines outlet of second floor rotary screen by return conveyer with The returning charge mouth connection of prilling granulator；The sieving capacity of three buildings rotary screens is more than the sieving capacity of Stall rotary screen.
- 2. high tower compound fertilizer production system according to claim 1, it is characterised in that the reducing mechanism crushes for chain type Machine, the cooling device are plate type heat exchanger, and the drying device is fluid bed.
- 3. high tower compound fertilizer production system according to claim 1, it is characterised in that the specification of the Stall rotary screen is 1400mm*4500mm, the specification of the second floor rotary screen is 1600mm*7000mm, and the specification of three buildings rotary screens is 1800mm*6000mm。
- 4. high tower compound fertilizer production system according to claim 1, it is characterised in that the system also includes being located at three buildings Granulation dust arrester, the head of the prilling granulator is located at three buildings, the head for being granulated dust arrester close to prilling granulator Set and it includes the first cyclone dust collectors, the first exhaust fan, the first scrubbing tower and regulating tank, set in first scrubbing tower There are shower nozzle and circulating slot to form circulated sprinkling structure, the offgas outlet of the prilling granulator, the first cyclone dust collectors, the first tail gas Blower fan and the first scrubbing tower are sequentially connected by pipeline, and the ash discharging hole of first cyclone dust collectors passes through conveyer belt and anti-material skin Band connection, the head of the circulating slot, regulating tank and prilling granulator are sequentially connected by pipeline, and the regulating tank and circulating slot are equal It is connected by pipeline with sulfuric acid storage tank.
- 5. high tower compound fertilizer production system according to claim 1, it is characterised in that the system also includes being located at Stall Drying and cooling and dedusting device, the drying includes the second cyclone dust collectors, falling dust room, the second tail gas with cooling and dedusting device Blower fan and the second scrubbing tower, the offgas outlet of the cooling device and the offgas outlet of drying device are revolved by pipeline and second The air inlet connection of wind deduster, gas outlet, falling dust room, the second exhaust fan and the second washing of second cyclone dust collectors Tower is sequentially connected by pipeline, and the ash discharging hole of second cyclone dust collectors is connected by conveyer belt with anti-material belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720909790.4U CN206940758U (en) | 2017-07-26 | 2017-07-26 | A kind of high tower compound fertilizer production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720909790.4U CN206940758U (en) | 2017-07-26 | 2017-07-26 | A kind of high tower compound fertilizer production system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206940758U true CN206940758U (en) | 2018-01-30 |
Family
ID=61370044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720909790.4U Active CN206940758U (en) | 2017-07-26 | 2017-07-26 | A kind of high tower compound fertilizer production system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206940758U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115355661A (en) * | 2022-08-18 | 2022-11-18 | 安徽禾田生物质新材料有限公司 | Carbon-based compound fertilizer particle cooling machine |
-
2017
- 2017-07-26 CN CN201720909790.4U patent/CN206940758U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115355661A (en) * | 2022-08-18 | 2022-11-18 | 安徽禾田生物质新材料有限公司 | Carbon-based compound fertilizer particle cooling machine |
| CN115355661B (en) * | 2022-08-18 | 2024-06-07 | 安徽禾田生物质新材料有限公司 | Carbon composite fertilizer granule cooler |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103232293B (en) | Compound fertilizer of high concentration and production method thereof | |
| CN103303888B (en) | Equipment for producing high-nutrient monoammonium phosphate through double-tubular-reactor process | |
| CN104355734A (en) | Production method of ammonium sulfate-ammonium phosphate composite fertilizer | |
| CN106241765B (en) | A kind of production method of Diammonium phosphate (DAP) | |
| CN104108967A (en) | Production process for preparing compound fertilizer through urea sulfate ammoniation method | |
| CN103303887B (en) | Method for producing high-nutrient monoammonium phosphate by dual-tube reverse process | |
| CN206940758U (en) | A kind of high tower compound fertilizer production system | |
| CN203284213U (en) | Equipment for producing high-nutrient monoammonium phosphate by double-tube reactor technology | |
| CN204589023U (en) | Humic acid complex fertilizer production system | |
| CN207062156U (en) | A kind of bio-organic fertilizer process units of effectively protection microbial inoculum | |
| CN108675862A (en) | A kind of preparation method of formula compound fertilizer and exempt from drying production process | |
| CN104529559A (en) | Device and method for increasing nitrogen content of diammonium phosphate by virtue of dual-tube reverse production process by adding urea | |
| US3117020A (en) | Process for the spherical granulation of water-soluble nitrogenous material | |
| CN105732001B (en) | A kind of method with stainless steel belt type roasting machine pelletizing method production lytag | |
| CN105399455B (en) | A kind of system and method using chemical industry tail gas production compound fertilizer | |
| CN112624153B (en) | Porous ammonium nitrate production process | |
| CN105233756B (en) | A kind of granulating system and its method | |
| CN101696141A (en) | Method for producing fluidized bed | |
| CN206156760U (en) | Porous ammonium nitrate prilling granulator | |
| CN206935032U (en) | A kind of dust pelletizing system for composite heat transfer | |
| CN110156542A (en) | Compound fertilizer granulating processing unit (plant) and granulation processing method | |
| CN201959931U (en) | Integrated granulator heating screening device | |
| CN109173926A (en) | A kind of method of improved drum granulating production granular complex fertilizer | |
| CN108048447A (en) | A kind of preparation method of enzyme preparation | |
| CN207259404U (en) | A kind of S-based compound fertilizer heat reclaim unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |