CN207471861U - A kind of high nitrogen type complex fertilizer product cooling device - Google Patents
A kind of high nitrogen type complex fertilizer product cooling device Download PDFInfo
- Publication number
- CN207471861U CN207471861U CN201721487374.6U CN201721487374U CN207471861U CN 207471861 U CN207471861 U CN 207471861U CN 201721487374 U CN201721487374 U CN 201721487374U CN 207471861 U CN207471861 U CN 207471861U
- Authority
- CN
- China
- Prior art keywords
- cooling water
- air
- cooling
- water circulation
- high nitrogen
- 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
Landscapes
- Fertilizers (AREA)
Abstract
The utility model is related to complex fertilizer product cooling device technical fields, especially a kind of high nitrogen type complex fertilizer product cooling device, by the technology that air compressor is carried out to air compression processing air, so that the humidity in air significantly reduces, so that into device carry out blowing cold particle while, herein in connection with recirculated cooling water cooling treatment process, realize that cooling water circulation processing is blown refrigeration technique with air blends, realize the cooling to high nitrogen type compound fertilizer granules, the anti-moisture absorption caking ability of high nitrogen type compound fertilizer granules is improved, improves the quality of fertilizer；And it is configured by the structure to circulating water unit, realize that processing is combined with gap to recirculated water continuous processing, improve the cooling effect to high nitrogen type compound fertilizer granules, and by verification experimental verification, with respect to fluid bed cooling device, the moisture of high nitrogen type compound fertilizer granules is enabled to remain unchanged, energy consumption is low, and can reduce by 3% or so package oil dosage, reduce cost.
Description
Technical field
The utility model is related to complex fertilizer product cooling device technical field, especially a kind of high nitrogen type complex fertilizer product is cold
But device.
Background technology
High nitrogen type composite fertilizer is the higher complex fertilizer product of nitrogen content, and in storage and transport process, moisture absorption caking easily occurs
Phenomenon, especially to the cooling degree of high nitrogen type complex fertilizer product, it will influence moisture absorption caking phenomenon in follow-up storage and transport process
As a result so that for the cooling technique of high nitrogen type complex fertilizer product, become the high nitrogen type complex fertilizer product of production stay in grade most
For a crucial link.
In the prior art, for the high nitrogen type composite fertilizer type of cooling, generally use is fluid bed air blower air blast cooling
And bulk cargo stacks natural cooling.The natural type of cooling is not only faced with above-mentioned fluid bed cooling device and carries out in cooling procedure
The defects of air humidity faced is larger, and also result in that floor space is larger, and production cost is higher.Fluid bed air blast is cold
It is to be cooled down using fluid bed blast cooling device, the device is by air blower, fluidisation bed box body, air-introduced machine and disengaging object
Expect belt composition, at room temperature, air is sent into fluid bed by air blower, with the high temperature in granulation and drying process
High nitrogen type composite fertilizer material is adequately contacted so that is taken away material heat, then is extracted out air by fluid bed air-introduced machine；
But the method is affected by the humidity in external environment, especially in the higher southern weather of humidity, high nitrogen type is answered
In the cooling procedure of Hefei, since humidity is larger, the specific heat capacitance of air becomes smaller so that the cooling to high temperature high nitrogen type composite fertilizer
Effect is very poor so that can only be reduced to about from 80 DEG C by the temperature of high nitrogen type composite fertilizer being granulated and drying steps come out
60 DEG C or so, and under the temperature condition, since the nitrogen content in high nitrogen type composite fertilizer is higher so that easy to absorb moisture is lumpd, and is made
It obtains in packaging process, still needs after being wrapped up using package oil high nitrogen type composite fertilizer, transport, and institute can be stored
Amount with package oil is larger, causes high nitrogen type composite heat transfer cost higher.Moreover, fluid bed air blast cooling procedure, due to needing
High nitrogen type composite fertilizer is suspended, and is come into full contact with air so that easily causes fertiliser granulates constantly and fluid bed
Bed rubs, and causes fertiliser granulates damaged, influences the integrity degree of fertilizer.
In consideration of it, this researcher for high temperature high nitrogen type composite fertilizer cooling studied, to high temperature high nitrogen type composite fertilizer into
Row cooling provides a kind of new approaches.
Utility model content
In order to solve the above technical problems existing in the prior art, the utility model provides a kind of high nitrogen type composite fertilizer production
Product cooling device.
It is achieved particular by following technical scheme：
An object of the present invention is to provide high nitrogen type complex fertilizer product cooling device, by feeding warehouse, coldplate group, blanking
Mouth composition, wherein：Feed opening is arranged on coldplate group lower end；Coldplate group is by cooling water circulation unit, with cooling water circulation list
The heat exchanger plates of member connection and the shell being sealed in heat exchanger plates inside cooling device form；Charging is provided with above coldplate group
Storehouse；Feeding warehouse upper end is provided with evacuation port, level sensor and the feed inlet connected with chain bucket.
The cooling water circulation unit is made of cooling water circulation unit a and cooling water circulation unit b, wherein, cooling
Water circulation unit b lower ends are connected with feed opening, and feed opening is controlled using hinge gate-type blanking device；And in cooling water circulation unit
Air scoop c is provided between b and feed opening；The upper end of cooling water circulation unit b is provided with air scoop b；Air scoop b upper ends are set
It is equipped with cooling water circulation unit a；Cooling water circulation unit a upper ends set feeding warehouse.
The cooling water circulation unit a, is provided with air scoop a between cooling water circulation unit a and feeding warehouse.
The cooling water circulation unit a and cooling water circulation unit b is identical structure, and one end is two branches, respectively
It is branch a and branch b, branch a and branch b are located at the top and bottom of heat exchanger plates respectively.
The cooling water circulation unit a is directly connected with cooling column；The cooling water circulation unit b is cold by recycling
But water pump is connected with cooling column；Cooling column is connected with technique cold water source.
The circulating cooling water pump is divided into circulating cooling water pump a and circulating cooling water pump b, also, circulating cooling water pump a
With circulating cooling water pump b respectively in a branch so that will in parallel time of formation two between cooling water circulation unit b and cooling column
Road.
The air scoop a, air scoop b, air scoop c and after being unified into an access, the outlet with air heater,
The import of air heater is connected with air compressor, and between air heater and air compressor, close to air pressure
Air reducing valve at contracting machine is set, air solenoid valve is being set at air heater.
Temperature control valve and emptying hot steam mouth are provided on the air heater.
The second object of the present invention also provides a kind of high nitrogen type complex fertilizer product cooling means, includes the following steps：
(1) air compressor is opened, air is compressed, and is 0.007MPa- by air reducing valve adjustment air pressure
0.5MPa by air solenoid valve, is heated into air heater, and it is≤10% to control the humidity in air, and is passed through
The temperature of temperature control valve control air is to room temperature, otherwise by the mouth emptying of emptying hot steam；And the air that will be adjusted, pass through
Air scoop a, air scoop b, air scoop c enter in cooling device, while cooling water circulation unit is opened so that in cooling column
Cold water enters；
(2) by by what is come out in granulation and drying steps, temperature is >=70 DEG C of high nitrogen type compound fertilizer granules, through punishment in advance
Struggle against elevator conveying, enters in cooling device by feeding warehouse so that high-nitrogen compound fertilizer is formed between heat exchanger plates and heat exchanger plates
Layer, and two shunt circuits of cooling water circulation unit b are adjusted, the cooling that will enter device by circulating cooling water pump b
Water is extracted out, the cooling water in cooling column is sent into using circulating cooling water pump a, after constantly alternately 5-10 times, by feed opening
It opens so that the high nitrogen type compound fertilizer granules in cooling device flow out, you can.
Compared with prior art, the technique effect of the invention is embodied in：
Cooling high nitrogen type complex fertilizer product is carried out by the device, anti-moisture absorption caking ability is opposite to use fluidized bed plant
The anti-moisture absorption caking ability for carrying out the high nitrogen type compound fertilizer granules of cooling treatment is high, and is handled by verification experimental verification：It will be through
Comminutor granulation is crossed, and two parts are divided by the high nitrogen type compound fertilizer granules that drying machine dries out, per part 50kg；Its
A middle part by carrying out cooling treatment using the high nitrogen type complex fertilizer product cooling device of the invention, press by another part
Cooling treatment is carried out according to fluid bed cooling device, and above-mentioned two parts high nitrogen type composite fertilizer after cooling will be passed through by package oil
Wrap up storage processing, while the moisture content of high nitrogen type composite fertilizer after cooling be detected, and with before cooling, dried height
The moisture of nitrogen type compound fertilizer granules is compared, and result is as shown in table 1 below：
Table 1
By the data of table 1 show it can be seen from the invention cooling device, will not be to the quality of high nitrogen type composite fertilizer
It affects greatly, and for using traditional fluidized bed processing process, being easy to cause moisture content increases, and for use
Usage amount is enclosed with also to have obtained significantly reducing.
In addition to this, this researcher also counts the device power load, as a result as shown in table 2 below：
The 2 novel cooling technology of 100kt/a high nitrogen type compound fertilizer facilities of table uses front and rear capital equipment power load table
As it can be seen that the energy consumption of the device of the invention is relatively low.
In addition to this, those skilled in the art are generally known is：Contain a large amount of dust particle in fluidized bed plant tail gas,
It can be discharged after the washed system processing of palpus is up to standard, if washing system, which goes wrong, to cause harmful effect to environment.And this
The device of innovation and creation is using process water as cooling medium, has prevented the generation of tail gas.Meanwhile high nitrogen type composite fertilizer object
Expect the totally-enclosed progress of cooling procedure, effectively reduce dust emission in workshop.
Description of the drawings
Fig. 1 is the high nitrogen type complex fertilizer product cooling device operational process structure diagram of the invention.
Fig. 2 is the high nitrogen type complex fertilizer product cooling device plate structure of cooling schematic diagram of the invention.
Fig. 3 be the invention high nitrogen type complex fertilizer product cooling device in cooling work, high nitrogen type composite fertilizer stream
To schematic diagram.
1- air compressor 2- air reducing valve 3- air solenoid valve 4- temperature control valves 5- emptying hot steam mouths 6-
Air heater 7- chain bucket 8- high nitrogen types composite fertilizer 9- evacuation port 10- level sensor 11- air scoop a 12- are cold
But water circulation unit a 13- cooling columns 14- techniques cold water source 15- air scoops b 16- cooling water circulation unit b 17- air scoops
C 18- circulating cooling water pump a 19- circulating cooling water pump b 20- feed openings 21- cooling product outlet 22- branch a 23-
Branch b 24- heat exchanger plates 25- high-nitrogen compound fertilizer layer 26- flow directions 27- shells.
Specific embodiment
It is limited below in conjunction with the accompanying drawings with specific embodiment the technical solution of the utility model is further, but
Claimed range is not only limited to made description.
Embodiment
As shown in Figure 1：High nitrogen type complex fertilizer product cooling device is made of feeding warehouse, coldplate group, feed opening, wherein：
Feed opening 20 is arranged on coldplate group lower end；Coldplate group is changed by cooling water circulation unit with what cooling water circulation unit was connect
Hot plate 24 and the shell 27 being sealed in heat exchanger plates 24 inside cooling device form；Feeding warehouse is provided with above coldplate group；
Feeding warehouse upper end is provided with evacuation port 9, level sensor 10 and the feed inlet connected with chain bucket 7.Effectively ensure
In the apparatus, the cooling effect to high nitrogen type compound fertilizer granules can be improved, high nitrogen type composite fertilizer is aqueous after reduction cooling
Rate reduces the oily dosage of package, reduces cost.
The cooling water circulation unit is made of cooling water circulation unit a12 and cooling water circulation unit b16, wherein,
Cooling water circulation unit b16 lower ends are connected with feed opening 20, and feed opening 20 is using the control of hinge gate-type blanking device；And it is cooling down
Air scoop c17 is provided between water circulation unit b16 and feed opening 20；In the upper end of cooling water circulation unit b16, setting is free
Gas port b15；Air scoop b15 upper ends are provided with cooling water circulation unit a12；Cooling water circulation unit a12 upper ends set feeding warehouse.
It realizes multiple cooling water circulation unit couplings, and realizes after the moisture discharge in air, it is compound for blowing cold high nitrogen type
Fertilizer avoids dried fertiliser granulates from absorbing water from air, improves anti-moisture absorption caking ability.
The cooling water circulation unit a12, air scoop is provided between cooling water circulation unit a12 and feeding warehouse
a11.Ensure there is heat exchange, heat dissipation performance between each cycling element, improve cooling effect, enabling will dry out 80
DEG C fertiliser granulates temperature be reduced to 30-40 DEG C, the reduction fertiliser granulates temperature of high degree.
As shown in Fig. 2, the cooling water circulation unit a12 and cooling water circulation unit b16 is identical structure, one end is
Two branches, are branch a22 and branch b23 respectively, and branch a22 and branch b23 are located at the top and bottom of heat exchanger plates 24 respectively.
It realizes the circular treatment to cooling water, realizes heat transfer effect enhancing.
The cooling water circulation unit a12 is directly connected with cooling column 13；The cooling water circulation unit b16 passes through
Circulating cooling water pump is connected with cooling column 13；Cooling column 13 is connected with technique cold water source 14.
The circulating cooling water pump is divided into circulating cooling water pump a18 and circulating cooling water pump b19, also, circulating cooling
Water pump a18 and circulating cooling water pump b19 is respectively in a branch so that will be between cooling water circulation unit b16 and cooling column 13
Form two shunt circuits.Realization batch water-cooling is combined with continuity water cooling, and by air blow it is cold be combined with water cooling, carry
Height is to the cooling effect of fertiliser granulates.
The air scoop a11, air scoop b15, air scoop c17 and after being unified into an access, with going out for air heater 6
Mouth connection, the import of air heater 6 are connected with air compressor 1, and between air heater 6 and air compressor 1,
Air reducing valve 2 at air compressor 1 is set, air solenoid valve 3 is being set at air heater 6.
Temperature control valve 4 and emptying hot steam mouth 5 are provided on the air heater 6.
As shown in Fig. 1 and 2 and 3, a kind of high nitrogen type complex fertilizer product cooling means includes the following steps：
(1) air compressor is opened, air is compressed, and is 0.007MPa- by air reducing valve adjustment air pressure
0.5MPa by air solenoid valve, is heated into air heater, and it is≤10% to control the humidity in air, and is passed through
The temperature of temperature control valve control air is to room temperature, otherwise by the mouth emptying of emptying hot steam；And the air that will be adjusted, pass through
Air scoop a, air scoop b, air scoop c enter in cooling device, while cooling water circulation unit is opened so that in cooling column
Cold water enters；
(2) by by what is come out in granulation and drying steps, temperature is >=70 DEG C of high nitrogen type compound fertilizer granules, through punishment in advance
Struggle against elevator conveying, enters in cooling device by feeding warehouse so that high-nitrogen compound fertilizer is formed between heat exchanger plates and heat exchanger plates
Layer, and two shunt circuits of cooling water circulation unit b are adjusted, the cooling that will enter device by circulating cooling water pump b
Water is extracted out, the cooling water in cooling column is sent into using circulating cooling water pump a, after constantly alternately 5-10 times, by feed opening
It opens so that the high nitrogen type compound fertilizer granules in cooling device flow out, you can.
The invention can be realized passes through granulating and drying postcooling to 30-40 DEG C or so by high nitrogen type compound fertilizer granules,
And before and after cooling down, the moisture content of fertiliser granulates is able to maintain that, while also is able to effectively reduce packing and storing and transport
Cheng Zhong, the amount of the package oil of use, reduces cost, improves the exterior quality of fertiliser granulates.
The invention is the technology by air compressor to be carried out to air compression processing air so that in air
Humidity significantly reduces so that while carrying out blowing cold particle into device, herein in connection with recirculated cooling water cooling treatment process,
It realizes that cooling water circulation processing is blown refrigeration technique with air blends, and realizes the cooling to high nitrogen type compound fertilizer granules, improves high
The anti-moisture absorption caking ability of nitrogen type compound fertilizer granules improves the quality of fertilizer；And pass through the structure to circulating water unit
It is configured, realizes that processing is combined with gap to recirculated water continuous processing, improve the effect of the cooling to high nitrogen type compound fertilizer granules
Fruit, and by verification experimental verification, with respect to fluid bed cooling device, the moisture of high nitrogen type compound fertilizer granules is enabled to tie up
Hold constant, energy consumption is low, and can reduce by 3% or so package oil dosage, reduces cost.
Claims (8)
1. a kind of high nitrogen type complex fertilizer product cooling device, which is characterized in that it is made of feeding warehouse, coldplate group, feed opening,
In：Feed opening (20) is arranged on coldplate group lower end；Coldplate group is connect by cooling water circulation unit with cooling water circulation unit
Heat exchanger plates (24) and heat exchanger plates (24) be sealed in shell (27) inside cooling device form；It is set above coldplate group
There is feeding warehouse；Feeding warehouse upper end be provided with evacuation port (9), level sensor (10) and connected with chain bucket (7) into
Material mouth.
2. high nitrogen type complex fertilizer product cooling device as described in claim 1, which is characterized in that the cooling water circulation list
Member is made of cooling water circulation unit a (12) and cooling water circulation unit b (16), wherein, cooling water circulation unit b (16) lower end
It is connected with feed opening (20), feed opening (20) is controlled using hinge gate-type blanking device；And cooling water circulation unit b (16) with
Air scoop c (17) is provided between feed opening (20)；The upper end of cooling water circulation unit b (16) is provided with air scoop b (15)；
Air scoop b (15) upper end is provided with cooling water circulation unit a (12)；Cooling water circulation unit a (12) upper end sets feeding warehouse.
3. high nitrogen type complex fertilizer product cooling device as claimed in claim 2, which is characterized in that the cooling water circulation list
First a (12) is provided with air scoop a (11) in cooling water circulation unit a (12) between feeding warehouse.
4. high nitrogen type complex fertilizer product cooling device as claimed in claim 2, which is characterized in that the cooling water circulation list
First a (12) and cooling water circulation unit b (16) are identical structure, and one end is two branches, is branch a (22) and branch b respectively
(23), branch a (22) and branch b (23) is located at the top and bottom of heat exchanger plates (24) respectively.
5. high nitrogen type complex fertilizer product cooling device as claimed in claim 2, which is characterized in that the cooling water circulation list
First a (12) directly connects with cooling column (13)；The cooling water circulation unit b (16) is by circulating cooling water pump and cooling column
(13) it connects；Cooling column (13) is connected with technique cold water source (14).
6. high nitrogen type complex fertilizer product cooling device as claimed in claim 5, which is characterized in that the circulating cooling water pump
It is divided into circulating cooling water pump a (18) and circulating cooling water pump b (19), also, circulating cooling water pump a (18) and circulating cooling water pump
B (19) is respectively in a branch so that will in parallel time of formation two between cooling water circulation unit b (16) and cooling column (13)
Road.
7. high nitrogen type complex fertilizer product cooling device as claimed in claim 2, which is characterized in that the air scoop a (11),
Air scoop b (15), air scoop c (17) and after being unified into an access, the outlet with air heater (6), air heater
(6) import is connected with air compressor (1), and between air heater (6) and air compressor (1), close to air
Air reducing valve (2) is set at compressor (1), in the setting air solenoid valve (3) at air heater (6).
8. high nitrogen type complex fertilizer product cooling device as claimed in claim 7, which is characterized in that the air heater
(6) temperature control valve (4) and emptying hot steam mouth (5) are provided on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721487374.6U CN207471861U (en) | 2017-11-09 | 2017-11-09 | A kind of high nitrogen type complex fertilizer product cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721487374.6U CN207471861U (en) | 2017-11-09 | 2017-11-09 | A kind of high nitrogen type complex fertilizer product cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207471861U true CN207471861U (en) | 2018-06-08 |
Family
ID=62263238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721487374.6U Expired - Fee Related CN207471861U (en) | 2017-11-09 | 2017-11-09 | A kind of high nitrogen type complex fertilizer product cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207471861U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677025A (en) * | 2017-11-09 | 2018-02-09 | 贵阳开磷化肥有限公司 | A kind of high nitrogen type complex fertilizer product cooling device and its cooling means |
| CN110701927A (en) * | 2019-08-22 | 2020-01-17 | 安徽六国化工股份有限公司 | Material cooling system based on powder flow cooler |
-
2017
- 2017-11-09 CN CN201721487374.6U patent/CN207471861U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677025A (en) * | 2017-11-09 | 2018-02-09 | 贵阳开磷化肥有限公司 | A kind of high nitrogen type complex fertilizer product cooling device and its cooling means |
| CN110701927A (en) * | 2019-08-22 | 2020-01-17 | 安徽六国化工股份有限公司 | Material cooling system based on powder flow cooler |
| CN110701927B (en) * | 2019-08-22 | 2020-12-18 | 安徽六国化工股份有限公司 | Material cooling system based on powder flow cooler |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207471861U (en) | A kind of high nitrogen type complex fertilizer product cooling device | |
| CN108955093A (en) | A kind of impact modifier drying system and technique | |
| CN103123205B (en) | Fluidization moving series arrangement steam drying system and technology | |
| CN214620594U (en) | Molybdenum oxide roasting system | |
| CN112902657B (en) | Molybdenum oxide roasting system | |
| CN209230245U (en) | A kind of fluidized bed granulator dryer | |
| CN203586725U (en) | Fermented forage drying device | |
| CN201676671U (en) | Urea fluidization and dust removal device | |
| CN107677025A (en) | A kind of high nitrogen type complex fertilizer product cooling device and its cooling means | |
| CN107576217A (en) | A kind of screen plate powder flow heat exchanger | |
| CN205124998U (en) | High efficient feed cooler | |
| CN109442960B (en) | Method and device for drying granular materials | |
| CN211226368U (en) | Device for preparing solid ammonium sulfate by using waste heat of industrial device | |
| CN207395540U (en) | A kind of screen plate powder flow heat exchanger | |
| CN207079174U (en) | A kind of cooling system of features of DAP production device | |
| CN103411363B (en) | A kind of fertilizer cooling means and cooling device | |
| CN203980831U (en) | A kind of blue charcoal drying equipment | |
| CN209706616U (en) | Cool down the device of granular fertilizer indirectly with water | |
| CN207688594U (en) | A kind of pincushion screen plate is uniformly into the powder flow heat exchanger of outlet | |
| CN202572700U (en) | Ultrahigh molecular weight polyethylene drying device | |
| CN201892394U (en) | Linear vibrating drier | |
| CN212133053U (en) | Drying equipment of pulsating moving bed | |
| CN105135856A (en) | Variable-temperature alternating airflow crossflow type thick-layer wet material drying system and method | |
| CN210065587U (en) | Rotary drum granulation system for producing compound fertilizer | |
| CN207113419U (en) | A kind of drying device for preparing titanium dioxide |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180608 Termination date: 20211109 |