Cooling method for compound fertilizer

A technology of compound fertilizer and cooling method, applied in fertilizer mixture, fertilization device, application, etc., can solve the problems of poor cooling effect, large floor space, low heat transfer efficiency, etc. High thermal efficiency

Active Publication Date: 2008-11-12
成都云图控股股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this method is that the scale of the equipment is large and the floor area is large
Low heat transfer efficiency and poor cooling effect

Method used

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  • Cooling method for compound fertilizer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0012] The present invention adopts equipment as follows table:

[0013] List of main equipment

[0014] Preface

No

device name

technical parameter

quantity

01

blower(1)

Q=10000~40000m 3 / h,

P=10000~15000Pa,

N=1450r / min, power=410KW

one

02

fluidized bed cooler

(one)

Design pressure: normal pressure; design temperature: 80 degrees, structural form:

Horizontal, total weight: 9000KG.

one

03

Cyclone

Q=40000m 3 / h, D=3000, H=10000.

one

04

induced draft fan

Q=10000~40000m 3 / h,

P=3000~5000Pa,

N=1450r / min, power=220KW

one

05

Blower(2)

Q=5000~20000m 3 / h,

P=10000~15000Pa,

N=1450r / min, power=220KW

one

06

fluidized bed cooler

(two)

Design p...

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Abstract

The invention provides a method for cooling a compound fertilizer to solve the problems of the prior compound fertilizer cooling method of large occupied area of the used device, high energy consumption and low cooling efficiency. The high-temperature compound fertilizer product is sent to a first fluidized bed cooler by a conveyor; high-pressure normal temperature air is blown by a first fan so that the high-temperature compound fertilizer product is boiled on the first fluidized bed; and the heat exchange of the high-temperature compound fertilizer product with the normal temperature air is realized on the first fluidized bed sufficiently.

Description

Technical field: [0001] The invention relates to a method for cooling high-temperature compound fertilizer products by using air as a medium. Background technique: [0002] The cooling of traditional compound fertilizers generally uses natural air as the medium, and the fertilizer is contacted with the air through rotating cylinders, induced draft fans and other equipment to achieve the purpose of heat transfer and cooling of the fertilizer. The disadvantage of this method is that the scale of the equipment is large and the area occupied is large. The rotary cylinder of the main equipment generally weighs tens of tons and has a length of 20 to 30 meters, which consumes a lot of energy. The heat transfer efficiency is low and the cooling effect is poor. It is impossible to cool the material below the natural ambient temperature. Invention content: [0003] The purpose of the present invention is to provide a compound fertilizer cooling method with less equipment investme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G1/00
Inventor 尹辉柏万文唐雷
Owner 成都云图控股股份有限公司
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