CN110243143A - A kind of pesticide water dispersible granules on-line cooling method - Google Patents
A kind of pesticide water dispersible granules on-line cooling method Download PDFInfo
- Publication number
- CN110243143A CN110243143A CN201910501942.0A CN201910501942A CN110243143A CN 110243143 A CN110243143 A CN 110243143A CN 201910501942 A CN201910501942 A CN 201910501942A CN 110243143 A CN110243143 A CN 110243143A
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- China
- Prior art keywords
- cooling
- pesticide
- air
- cycle room
- cooling cycle
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D1/00—Devices using naturally cold air or cold water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
- F26B3/06—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried
- F26B3/08—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
- F26B3/06—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried
- F26B3/08—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed
- F26B3/092—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed agitating the fluidised bed, e.g. by vibrating or pulsating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of pesticide water dispersible granules on-line cooling methods, the granular pesticide finished product on-line cooling vibrating screen is on the basis of traditional shaker, cooling device is increased, cooling wind enters cooling cycle room by air inlet and cools down to particle after drying, is discharged from top exhaust outlet.Compared with prior art, the beneficial effects of the invention are that: cooling air supply motor is connected by vibrating screen air inlet, cold wind enters cooling cycle room, cool down to particle after drying, cold wind takes away particle surface residual temperature, while eliminating the moisture that particle surface evaporates not in time, not only increases particle drying efficiency, and particle adhesion is avoided, it ensure that the quality and quality of product.
Description
Technical field
The invention belongs to pesticide manufacturing equipment fields, are related to a kind of pesticide water dispersible granules on-line cooling method.
Background technique
Pesticide water dispersible granules continuous production drying at present generallys use fluidizing fluid-bed and vibrated fluidized bed, after drying
Particle is sieved through vibrating screen, then directly packs, presently, there are two kinds of defects for this technique: one side pesticide granules are without cold
But, particle residue residual temperature, heat gathers in packaging bag, thus particle temperature continues to rise, and seriously affects product quality, especially
To some low melting point water dispersible granules, such as pyraclostrobin, difenoconazole；On the other hand, some pesticide species finished particles
Fail quickly volatilization from fluidized bed outflow particle surface moisture and cause particle adhesion, forms blocky-shaped particle, influence product appearance.
Summary of the invention:
The present invention in view of the above shortcomings of the prior art, and provides one kind and can increase particle drying efficiency, avoids particle
Adhesion guarantees the pesticide water dispersible granules on-line cooling method of product quality and quality.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
A kind of pesticide water dispersible granules on-line cooling method, comprising the following steps:
Step 1: opening the condensation exchanger of granular pesticide finished product on-line cooling vibrating screen, water velocity 0.8-1.2
Meter per second, cooling water enter condensation exchanger by cooling water inlet, after completing reverse heat exchange with the wind in condensation chamber, by cooling down
Water out discharge；
Step 2: opening air supply motor, pressure fan revolving speed is 2700-2800 revs/min, and room temperature wind enters condensation by blast pipe
After room is cooling, it is sent into cooling cycle room, with cooling cycle room after hot pesticide granules completion heat exchange through air supply motor air supply tube,
It is discharged by air outlet；
Step 3: opening vibrating motor, vibrating motor revolving speed is 3400-3600 revs/min, passes through the revolving speed control of vibrating motor
Residence time of the pesticide granules processed in cooling cycle room, pesticide granules is made to be fully cooled and dry；
Step 4: the cooling and dry pesticide granules completed are discharged through discharge port.
Granular pesticide finished product on-line cooling vibrating screen includes vibrating screen and cooling pressure fan；Vibrating screen include feed inlet,
Discharge port, cooling cycle room, vibrating motor, lower frame and under-chassis, inlet port and outlet port are opposite to be set to cooling cycle room two sides, cold
But circular chamber is set up in lower frame, and the lower section of lower frame is equipped with under-chassis, and vibrating motor is fixed on lower frame, and the power output of vibrating motor
End is connect with the outer wall of cooling cycle room, and cooling cycle room side wall is equipped with air inlet, and cooling cycle ceiling portion is equipped with air outlet,
Air inlet connects cooling pressure fan；Cooling pressure fan includes blast pipe, condensation chamber, air supply motor, cooling water inlet, cooling water
Outlet, condensation exchanger and air supply tube, air supply motor are set to one end of condensation chamber, and ipsilateral with blast pipe, and air supply tube is by connecing
Head is connect with the air inlet on the side wall of vibrating screen cooling cycle room, and condensation exchanger is located on condensation chamber outer wall, condenses exchanger
One end be equipped with cooling water inlet, the other end be equipped with cooling water outlet, condense indoor wind and condense exchanger in cooling water
Carry out reverse heat exchange.
Vibrating screen cooling cycle room feed inlet is connected with water dispersible granules fluidized bed, and water dispersible granules fluidized bed includes boiling
Dry fluidized bed, vertical fluidizing fluid-bed or vibration drying fluidized bed.
Two air outlets are symmetrically arranged at the top of cooling cycle room.
The caliber of blast pipe is less than the caliber of air supply tube.
Downward, blast pipe is upward for the air supply tube of cooling pressure fan.
Compared with prior art, the beneficial effects of the present invention are: pass through vibrating screen air inlet connect cooling device, cold wind
Into cooling cycle room, cool down to particle after drying, cold wind takes away particle surface residual temperature, while eliminating particle surface not
The moisture evaporated in time not only increases particle drying efficiency, but also avoids particle adhesion, ensure that the quality and quality of product.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of granular pesticide finished product on-line cooling vibrating screen；
Wherein, 1- feed inlet, 2- air inlet, 3- air outlet, 4- vibrating motor, 5- lower frame, 6- under-chassis, 7- cooling cycle
Room, 8- discharge port, 9- air supply tube, 10- blast pipe, 11- condense exchanger, 12- condensation chamber, 13- air supply motor, 14- cooling water
Outlet, 15- cooling water inlet.
Specific embodiment
Presently in connection with attached drawing, invention is further described in detail.These attached drawings are rough schematic view, only with signal
Mode illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
Granular pesticide finished product on-line cooling vibrating screen includes with lower component: feed inlet 1, air inlet 2, air outlet 3, vibration
Motor 4, lower frame 5, under-chassis 6, cooling cycle room 7, discharge port 8, air supply tube 9, blast pipe 10, condensation exchanger 11, condensation chamber 12,
Air supply motor 13, cooling water outlet 14 and cooling water inlet 15.
Pesticide water dispersible granules on-line cooling method of the invention, comprising the following steps:
Step 1: opening the condensation exchanger of granular pesticide finished product on-line cooling vibrating screen, water velocity 0.8-1.2
Meter per second, cooling water enter condensation exchanger by cooling water inlet, after completing reverse heat exchange with the wind in condensation chamber, by cooling down
Water out discharge；
Step 2: opening air supply motor, pressure fan revolving speed is 2700-2800 revs/min, and room temperature wind enters condensation by blast pipe
After room is cooling, it is sent into cooling cycle room, with cooling cycle room after hot pesticide granules completion heat exchange through air supply motor air supply tube,
It is discharged by air outlet；
Step 3: opening vibrating motor, vibrating motor revolving speed is 3400-3600 revs/min, passes through the revolving speed control of vibrating motor
Residence time of the pesticide granules processed in cooling cycle room, pesticide granules is made to be fully cooled and dry；
Step 4: the cooling and dry pesticide granules completed are discharged through discharge port.
As shown in Figure 1, a kind of granular pesticide finished product on-line cooling vibrating screen mainly includes vibrating screen and cooling pressure fan；
Wherein vibrating screen includes that feed inlet, discharge port, cooling cycle room, vibrating motor, lower frame and under-chassis, inlet port and outlet port are opposite
Set on cooling cycle room two sides, cooling cycle room is set up in lower frame, and the lower section of lower frame is equipped with under-chassis, under vibrating motor is fixed on
Frame, and the power output end of vibrating motor is connect with the outer wall of cooling cycle room, cooling cycle room side wall is equipped with air inlet, cold
But air outlet is equipped at the top of circular chamber, air inlet connects cooling pressure fan；Cooling pressure fan includes blast pipe, condensation chamber, send
Wind turbine, cooling water inlet, cooling water outlet, condensation exchanger and air supply tube, air supply motor are set to one end of condensation chamber, and with
Blast pipe is ipsilateral, and air supply tube is connect by connector with the air inlet on the side wall of vibrating screen cooling cycle room, condenses exchanger ring set
In condensation chamber outer wall, the one end for condensing exchanger is equipped with cooling water inlet, and the other end is equipped with cooling water outlet, condenses indoor wind
Reverse heat exchange is carried out with the cooling water in condensation exchanger.
The top of cooling cycle room is tapered, and the quantity of air outlet is two, is symmetrical arranged.
One end of condensation chamber is equipped with blast pipe, and the caliber of blast pipe is less than the caliber of air supply tube, and blast pipe is thin, the pressure of air inlet
Strong just bigger, into the large space of condensation chamber, wind pressure becomes smaller, and is conducive to sufficiently complete heat exchange, the caliber of air supply tube is thick, keeps away
Exempt from air supply process, because pressure is excessive, cold wind is made to heat up.
Downward, blast pipe upward, because the air of eminence is relatively cleaner, avoids excessive the air supply tube of cooling pressure fan
Impurity incorporation.
The feed inlet of cooling cycle room is connected with water dispersible granules fluidized bed, and water dispersible granules fluidized bed includes boiling drying
Fluidized bed, vertical fluidizing fluid-bed or vibration drying fluidized bed.
Embodiment 1:
70% imidacloprid water dispersible granule is dried by the vibration drying fluidized bed that inlet air temperature is 60 DEG C, particle table
58 DEG C of face temperature or so, moisture 2.2% or so, particle enters on-line cooling vibrating screen of the invention by feed inlet after drying
Cooling cycle room, the water velocity for condensing exchanger is 0.8 meter per second, and the pressure fan revolving speed of air supply motor is 2700 revs/min, vibration
Dynamic motor speed is 3400 revs/min；It is cold that the progress of cooling cycle room entered by air outlet by cooling air supply motor cooling cold wind
But, particle surface residual temperature is discharged with cold wind by air outlet, it is cooling after particle in discharge hole for discharge, 28 DEG C of particle surface temperature, water
Divide 1.85.
Embodiment 2:
+ 25% trifloxystrobin water dispersible granule of 50% Tebuconazole is dried by the vibration drying fluidized bed that inlet air temperature is 58 DEG C
Dry, 55 DEG C of particle surface temperature or so, moisture 3.2% or so, particle is entered of the invention online cold by feed inlet after drying
But the cooling cycle room of vibrating screen, the water velocity for condensing exchanger is 1.2 meter per seconds, and the pressure fan revolving speed of air supply motor is
2800 revs/min, vibrating motor revolving speed is 3600 revs/min；Cooling is entered by air outlet by cooling air supply motor cooling cold wind
Circular chamber is cooled down, and particle surface residual temperature is discharged with cold wind by air outlet, and particle is in discharge hole for discharge, particle surface after cooling
28 DEG C of temperature, moisture 1.8%.
Embodiment 3:
80% captan water dispersible granule is dried by 70 DEG C of inlet air temperature of vibration drying fluidized bed, particle surface temperature
65 DEG C or so, moisture 2.2% or so, the cooling that particle enters on-line cooling vibrating screen of the invention by feed inlet after drying follows
Ring casing, the water velocity for condensing exchanger is 1 meter per second, and the pressure fan revolving speed of air supply motor is 2800 revs/min, and vibrating motor turns
Speed is 3500 revs/min；Enter cooling cycle room by air outlet by the cooling cold wind of cooling air supply motor to be cooled down, particle table
Face residual temperature is discharged with cold wind by air outlet, it is cooling after particle in discharge hole for discharge, 30 DEG C of particle surface temperature, moisture 1.5%.
Embodiment 4:
In order to compare the excellent effect of the invention, compared with traditional shaker.Test has carried out 3 kinds.
1 80% captan water dispersible granule of table is distinguished using traditional shaker and on-line cooling vibrating screen
2 50% pyraclostrobin water dispersible granule of table is distinguished using traditional shaker and on-line cooling vibrating screen
3 37% difenoconazole water dispersible granule of table is distinguished using traditional shaker and on-line cooling vibrating screen
By experimental data it is found that using traditional vibrating screen, the temperature that drug goes out after vibrating screen can only reduce 2-5
DEG C, temperature can rise 1-3 DEG C again after drug enters packaging bag, and use pesticide water dispersible granules on-line cooling method of the invention
Afterwards, temperature at most rises 2 DEG C after drug goes out the temperature after vibrating screen half, drug can be reduced to enter packaging bag, most of feelings
Condition temperature will continue to decline, and cold wind not only takes away the residual temperature of particle surface, also while eliminate what particle surface evaporated not in time
Moisture not only increases particle drying efficiency, but also avoids particle adhesion, ensure that the quality and quality of product.
Claims (6)
1. a kind of pesticide water dispersible granules on-line cooling method, it is characterised in that: the following steps are included:
Step 1: open granular pesticide finished product on-line cooling vibrating screen condensation exchanger, water velocity be 0.8-1.2 meters/
Second, cooling water enters condensation exchanger by cooling water inlet, after completing reverse heat exchange with the wind in condensation chamber, is gone out by cooling water
Mouth discharge；
Step 2: opening air supply motor, pressure fan revolving speed is 2700-2800 revs/min, and it is cold that room temperature wind by blast pipe enters condensation chamber
But it after, is sent into through air supply motor air supply tube in cooling cycle room, with cooling cycle room after hot pesticide granules completion heat exchange, by going out
Air port discharge；
Step 3: opening vibrating motor, vibrating motor revolving speed is 3400-3600 revs/min, controls agriculture by the revolving speed of vibrating motor
Residence time of the medicine particle in cooling cycle room, pesticide granules is made to be fully cooled and dry；
Step 4: the cooling and dry pesticide granules completed are discharged through discharge port.
2. pesticide water dispersible granules on-line cooling method according to claim 1, it is characterised in that: granular pesticide finished product
On-line cooling vibrating screen includes vibrating screen and cooling pressure fan；Vibrating screen includes feed inlet, discharge port, cooling cycle room, vibration
Motor, lower frame and under-chassis, inlet port and outlet port are opposite to be set to cooling cycle room two sides, and cooling cycle room is set up in lower frame, under
The lower section of frame is equipped with under-chassis, and vibrating motor is fixed on lower frame, and the outer wall of the power output end of vibrating motor and cooling cycle room
Connection, cooling cycle room side wall are equipped with air inlet, and cooling cycle ceiling portion is equipped with air outlet, the cooling air-supply of air inlet connection
Machine；Cooling pressure fan includes blast pipe, condensation chamber, air supply motor, cooling water inlet, cooling water outlet, condensation exchanger and send
Air hose, air supply motor are set to one end of condensation chamber, and ipsilateral with blast pipe, and air supply tube passes through connector and vibrating screen cooling cycle room
Air inlet connection on side wall, condensation exchanger are located on condensation chamber outer wall, and the one end for condensing exchanger is equipped with cooling water inlet,
The other end is equipped with cooling water outlet, and the cooling water for condensing indoor wind and condensing in exchanger carries out reverse heat exchange.
3. pesticide water dispersible granules on-line cooling method according to claim 2, it is characterised in that: vibrating screen cooling cycle
Room feed inlet is connected with water dispersible granules fluidized bed, and water dispersible granules fluidized bed includes boiling drying fluidized bed, vertical boiling stream
Change bed or vibration drying fluidized bed.
4. pesticide water dispersible granules on-line cooling method according to claim 2, it is characterised in that: the top of cooling cycle room
Portion is symmetrically arranged with two air outlets.
5. pesticide water dispersible granules on-line cooling method according to claim 2, it is characterised in that: the caliber of blast pipe is small
In the caliber of air supply tube.
6. pesticide water dispersible granules on-line cooling method according to claim 2, it is characterised in that: cooling pressure fan is sent
Downward, blast pipe is upward for air hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910501942.0A CN110243143A (en) | 2019-06-11 | 2019-06-11 | A kind of pesticide water dispersible granules on-line cooling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910501942.0A CN110243143A (en) | 2019-06-11 | 2019-06-11 | A kind of pesticide water dispersible granules on-line cooling method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110243143A true CN110243143A (en) | 2019-09-17 |
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ID=67886595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910501942.0A Pending CN110243143A (en) | 2019-06-11 | 2019-06-11 | A kind of pesticide water dispersible granules on-line cooling method |
Country Status (1)
| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115633680A (en) * | 2022-10-25 | 2023-01-24 | 山东潍坊润丰化工股份有限公司 | Granulation method of low-melting-point pesticide granules |
| CN115633680B (en) * | 2022-10-25 | 2024-06-07 | 山东潍坊润丰化工股份有限公司 | Granulation method of low-melting-point pesticide granules |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205403434U (en) * | 2016-02-24 | 2016-07-27 | 湖南鑫湘环保胶业科技有限公司 | A cold wind system for hot melt adhesive is dry |
| CN207047118U (en) * | 2017-07-13 | 2018-02-27 | 山东华廷化工有限公司 | A kind of high-tower slow-release compound fertilizer granules cooling screening equipment |
-
2019
- 2019-06-11 CN CN201910501942.0A patent/CN110243143A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205403434U (en) * | 2016-02-24 | 2016-07-27 | 湖南鑫湘环保胶业科技有限公司 | A cold wind system for hot melt adhesive is dry |
| CN207047118U (en) * | 2017-07-13 | 2018-02-27 | 山东华廷化工有限公司 | A kind of high-tower slow-release compound fertilizer granules cooling screening equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115633680A (en) * | 2022-10-25 | 2023-01-24 | 山东潍坊润丰化工股份有限公司 | Granulation method of low-melting-point pesticide granules |
| CN115633680B (en) * | 2022-10-25 | 2024-06-07 | 山东潍坊润丰化工股份有限公司 | Granulation method of low-melting-point pesticide granules |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: No.58 shuangxiang Road, Hongshan Fine Chemical Industry Park, Liuhe District, Nanjing, Jiangsu Province, 211500 Applicant after: Jiangsu Aijin crop Technology Group Co., Ltd Address before: No.58 shuangxiang Road, Hongshan Fine Chemical Industry Park, Liuhe District, Nanjing, Jiangsu Province, 211500 Applicant before: JIANGSU ESSENCE AGROCHEMICAL Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190917 |