CN106007842A - Organic fertilizer evaporative crystallization system and process - Google Patents
Organic fertilizer evaporative crystallization system and process Download PDFInfo
- Publication number
- CN106007842A CN106007842A CN201610321917.0A CN201610321917A CN106007842A CN 106007842 A CN106007842 A CN 106007842A CN 201610321917 A CN201610321917 A CN 201610321917A CN 106007842 A CN106007842 A CN 106007842A
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- Prior art keywords
- fertilizer
- physics
- chemistry
- alkaline hydrolysis
- pipeline
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Classifications
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C3/00—Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor
Abstract
The invention discloses an organic fertilizer evaporative crystallization system and process and belongs to the technical field of organic fertilizer preparation. The system comprises a reaction gas discharging device, an organic fertilizer alkaline hydrolysis device, a solid-liquid separation device, a collection device, a conveying device, a physicochemical regulatory mediator storage device, a physicochemical regulatory mediator control device, a concentration device, a concentrated solution conveying device, a spray drying device and a packaging and storing device which are connected through a pipeline. Through reaction of the flue gas desulfurization byproduct (recycling of ammonium sulfite alkaline hydrolysis raw materials converted from atmospheric pollutants in flue gas) ammonium sulfite and crop straw, alkaline hydrolysis cost is reduced, the process is simple and easy to realize, fertilizer making waste is turned into wealth, and material waste is effectively reduced. The system is simple and reasonable in structure, easy to realize, low in cost and suitable for wide application.
Description
Technical field
The present invention relates to a kind of fertilizer evaporation and crystallization system and technique, belong to fertilizer manufacturing technology field.
Background technology
Traditional Straw manures processing system and technique include fermented material preparation, crushed stalk, the stirrings such as straw
And corruption process, middle level black liquor cannot be utilized effectively.
As, on February 3rd, 2016 is announced, and number of patent application is CN201510602046.5, entitled " with
Enzyme pretreatment corn straw extract black liquor produce fertilizer method " Chinese invention patent disclose one
Extracting, with enzyme pretreatment corn straw, the method that black liquor produces fertilizer, the method mainly includes that enzyme is located in advance
The extraction of black liquor and production two parts of fertilizer after reason corn straw, wherein, after enzyme pretreatment corn straw
The extraction of black liquor includes that wet feed preparation, enzyme pretreatment, extrusion process produce black liquor, the storage of black liquor.Organic
Fertile production line includes: black liquor vaporizing concentration, slurry-spraying pelletizing machine, hot cold screening system, fertilizer finished product packing.Should
Invention is during true qualities paper for daily use is manufactured paper with pulp in enzyme pretreatment+alkaline process corn straw slurrying, in corn stalk
Stalk can produce the pretreated black liquor of some waste liquids after enzyme pretreatment.If this black liquor is directly discharged into dirt
Water treatment plant, can increase the expense of sewage disposal.Now by the black liquor of extrusion in enzyme pretreatment corn straw, logical
Pervaporation concentration process, prepares the black liquor of high concentration, extracts organic matter therein.Then by concentrated black liquid by whitewashing
Granulating technique, hot cold screening system final production go out to have highly active organic fertilizer.This technical scheme shortcoming is:
Alkaline hydrolysis is relatively costly.
Therefore it provides one utilizes flue gas desulfurization byproduct (the ammonium sulfite alkali that in flue gas, atmosphere pollution is converted into
Solve raw material turn waste into wealth) ammonium sulfite with farmland straw react, save alkaline hydrolysis cost fertilizer evaporation and crystallization system
And technique just becomes the technical barrier that this technical field is badly in need of solving.
Summary of the invention
One of the object of the invention is, for the problems referred to above, it is provided that one utilizes flue gas desulfurization byproduct (in flue gas
The ammonium sulfite alkaline hydrolysis raw material that atmosphere pollution is converted into is turned waste into wealth) ammonium sulfite reacts with farmland straw, saving
The fertilizer evaporation and crystallization system of alkaline hydrolysis cost.
For achieving the above object, technical scheme provided by the present invention is:
A kind of fertilizer evaporation and crystallization system, it is characterised in that: include reacting gas discharger, fertilizer alkaline hydrolysis
Device, equipment for separating liquid from solid, collection device, conveyer device, physics and chemistry regulation medium reservoir, physics and chemistry regulation is situated between
Quality Control device, enrichment facility, concentrated solution conveyer device, spray-drying installation and package storage facility；Described instead
Gas exhausting device is answered to be connected with described fertilizer alkaline hydrolysis device；Described fertilizer alkaline hydrolysis device passes through pipeline and institute
Stating equipment for separating liquid from solid to be connected, described equipment for separating liquid from solid is connected with described collection device by pipeline；Described
Collection device is connected by the top of conveyer device with pipeline with described enrichment facility, the top of described enrichment facility
It is connected with described physics and chemistry regulation medium reservoir with pipeline by physics and chemistry regulation medium control device；Described concentration
The bottom of device is connected with the top of spray-drying installation with concentrated solution conveyer device by pipeline, described spray dried
Dry device is connected with described package storage facility by pipeline.
Preferably, described physics and chemistry regulation medium control device is electric control valve.
Preferably, described physics and chemistry regulation medium reservoir is stainless steel storage tank.
It is a further object of the present invention to provide a kind of evaporative crystallization technique that can extract, utilize middle level black liquor.
For achieving the above object, technical scheme provided by the present invention is:
A kind of fertilizer evaporative crystallization technique, it comprises the following steps:
(1) farmland straw and ammonium sulfite alkaline hydrolysis in fertilizer alkaline hydrolysis device, be divided into after reaction upper strata biogas,
Middle level black liquor and lower floor's alkaline hydrolysis slag；
(2) upper strata biogas leads to marsh gas treatment device by gas outlet above, and equipment for separating liquid from solid is isolated
Middle level black liquor through collection device collect after, squeeze into enrichment facility by conveyer device；
(3) concentrated device evaporation and concentration, meanwhile, physics and chemistry is regulated medium storage by physics and chemistry regulation medium control device
Physics and chemistry regulation medium in cryopreservation device adds in enrichment facility, adjusts through physics and chemistry, is condensed into the black of certain solid content
Liquid；
(4) black liquor of the certain solid content of step (3) gained, concentrated liquid conveyer device is delivered to be spray-dried dress
Put, spray-dried powdery finished product of making, then, then be delivered to package storage facility package storage.
Preferably, described physics and chemistry regulation medium control device is electric control valve.
Preferably, the regulation of physics and chemistry described in described step (3) medium is the sulfuric acid solution of 10 weight %-20 weight %.
Preferably, the solid content of black liquor described in described step (3) is 30 weight %-35 weight %.
Beneficial effect:
The system and method that the present invention provides utilizes the flue gas desulfurization byproduct (Asia that in flue gas, atmosphere pollution is converted into
Ammonium sulfate alkaline hydrolysis raw material is turned waste into wealth) ammonium sulfite is with the reaction of farmland straw, saving alkaline hydrolysis cost, and technique is simple,
It is easily achieved, composting garbage is turned waste into wealth, the data waste effectively reduced.Present configuration is succinctly reasonable,
It is easily achieved, low cost, is beneficial to extensively application.
Below by the drawings and specific embodiments, the present invention will be further described, but is not meant to the present invention
The restriction of protection domain.
Accompanying drawing explanation
Fig. 1 is the structural representation of fertilizer evaporation and crystallization system of the present invention.
Main Reference Numerals illustrates:
1 gas discharge outlet 2 fertilizer alkaline hydrolysis device
3 equipment for separating liquid from solid 4 collection devices
5 conveyer device 6 stainless steel storage tanks
7 physics and chemistry regulation medium control device 8 enrichment facilities
9 concentrated solution conveyer device 10 spray-drying installations
11 package storage facilities
Detailed description of the invention
Embodiment 1
As it is shown in figure 1, be the structural representation of fertilizer evaporation and crystallization system of the present invention；In figure, 1 arranges for gas
Outlet, 2 is fertilizer alkaline hydrolysis device, and its body top is made up of column type, bottom vertebral body, and material is that carbon steel serves as a contrast glass
Glass scale, vertebral body bottom sets collection device 4, collects dress, and the bottom of 4 is provided with material outlet, three points, column type bottom
One of right position set equipment for separating liquid from solid 3, and in suitable location, visor and inspection manhole are installed, column type top sets
Gas discharge outlet 1,3 is equipment for separating liquid from solid, and 4 is collection device, and 5 is conveyer device, and 6 is stainless steel
Storage tank, 7 is electric control valve, producer: Otto gram；8 is enrichment facility, and 9 is concentrated solution conveyer device, 10
For spray-drying installation, 11 is package storage facility；Described collection device 4 is by conveyer device 5 and pipeline and institute
The top stating enrichment facility 8 is connected, and the top of described enrichment facility 8 is by electric control valve 7 (producer: difficult to understand
Tuo Ke) it is connected with described stainless steel storage tank 6 with pipeline；The bottom of described enrichment facility 8 by pipeline and
Concentrated solution conveyer device 9 is connected with the top of spray-drying installation 10, and described spray-drying installation 10 is by pipe
Road is connected with described package storage facility 11.
Below the processing step of above-mentioned fertilizer evaporative crystallization:
(1) farmland straw and ammonium sulfite alkaline hydrolysis in fertilizer alkaline hydrolysis device 2, be divided into after reaction upper strata biogas,
Middle level black liquor and lower floor's alkaline hydrolysis slag；
(2) upper strata biogas leads to marsh gas treatment device by gas outlet above, and equipment for separating liquid from solid 3 separates
The middle level black liquor gone out, after collection device 4 is collected, squeezes into enrichment facility 8 by conveyer device 5；
(3) concentrated device 8 evaporation and concentration, meanwhile, electric control valve 7 is by stainless steel storage tank 6
The sulfuric acid solution of 10 weight %-20 weight % adds in enrichment facility 8, adjusts through physics and chemistry, is condensed into and the most admittedly contains
(solid content≤5 weight % before concentration, after concentration, solid content is about 30 weights to measure the black liquor of 30 weight %-35 weight %
Amount %-35 weight %)；
(4) step (3) gained black liquor, concentrated liquid conveyer device 9 is delivered to spray-drying installation 10, warp
Spray drying makes powdery finished product, then, then is delivered to package storage facility 11 package storage.
The explanation of above-described embodiment, is not to present configuration, the restriction of technique, any simply becomes the present invention
Structure after changing, or there is the technique of identical function, belong to the protection domain of patent of the present invention.
Claims (7)
1. a fertilizer evaporation and crystallization system, it is characterised in that: include reacting gas discharger, fertilizer
Alkaline hydrolysis device, equipment for separating liquid from solid, collection device, conveyer device, physics and chemistry regulation medium reservoir, physics and chemistry is adjusted
Joint medium control device, enrichment facility, concentrated solution conveyer device, spray-drying installation and package storage facility；Institute
State reacting gas discharger to be connected with described fertilizer alkaline hydrolysis device；Described fertilizer alkaline hydrolysis device passes through pipeline
Being connected with described equipment for separating liquid from solid, described equipment for separating liquid from solid is connected with described collection device by pipeline；
Described collection device is connected by the top of conveyer device with pipeline with described enrichment facility, described enrichment facility
Top is connected with described physics and chemistry regulation medium reservoir with pipeline by physics and chemistry regulation medium control device；Described
The bottom of enrichment facility is connected with the top of spray-drying installation with concentrated solution conveyer device by pipeline, described spray
Mist drying device is connected with described package storage facility by pipeline.
Fertilizer evaporation and crystallization system the most according to claim 1, it is characterised in that: described physics and chemistry regulates
Medium control device is electric control valve.
Fertilizer evaporation and crystallization system the most according to claim 2, it is characterised in that described physics and chemistry regulates
Medium reservoir is stainless steel storage tank.
4. a fertilizer evaporative crystallization technique, it comprises the following steps:
(1) farmland straw and ammonium sulfite alkaline hydrolysis in fertilizer alkaline hydrolysis device, be divided into after reaction upper strata biogas,
Middle level black liquor and lower floor's alkaline hydrolysis slag；
(2) upper strata biogas leads to marsh gas treatment device by gas outlet above, and equipment for separating liquid from solid is isolated
Middle level black liquor through collection device collect after, squeeze into enrichment facility by conveyer device；
(3) concentrated device evaporation and concentration, meanwhile, physics and chemistry is regulated medium storage by physics and chemistry regulation medium control device
Physics and chemistry regulation medium in cryopreservation device adds in enrichment facility, adjusts through physics and chemistry, is condensed into the black of certain solid content
Liquid；
(4) black liquor of the certain solid content of step (3) gained, concentrated liquid conveyer device is delivered to be spray-dried dress
Put, spray-dried powdery finished product of making, then, then be delivered to package storage facility package storage.
Fertilizer evaporative crystallization technique the most according to claim 4, it is characterised in that: described step (3)
Described in physics and chemistry regulation medium control device be electric control valve.
Fertilizer evaporative crystallization technique the most according to claim 4, it is characterised in that: described step (3)
Described in physics and chemistry regulation medium be the sulfuric acid solution of 10 weight %-20 weight %.
Fertilizer evaporative crystallization technique the most according to claim 4, it is characterised in that: described step (3)
Described in the solid content of black liquor be 30 weight %-35 weight %.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610321917.0A CN106007842A (en) | 2016-05-14 | 2016-05-14 | Organic fertilizer evaporative crystallization system and process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610321917.0A CN106007842A (en) | 2016-05-14 | 2016-05-14 | Organic fertilizer evaporative crystallization system and process |
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| CN106007842A true CN106007842A (en) | 2016-10-12 |
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| CN201610321917.0A Pending CN106007842A (en) | 2016-05-14 | 2016-05-14 | Organic fertilizer evaporative crystallization system and process |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101066025A (en) * | 2007-06-13 | 2007-11-07 | 广东省生态环境与土壤研究所 | Winter potato fertilizer method capable of reducing sugar content |
| CN102351395A (en) * | 2011-06-23 | 2012-02-15 | 杭州职业技术学院 | System and method for treating pig manure and cultivation sewage |
| CN102921711A (en) * | 2012-07-17 | 2013-02-13 | 上海锦泰新能源环保科技有限公司 | Organic solid waste regeneration resource treatment method and apparatus system thereof |
| CN104561113A (en) * | 2015-01-19 | 2015-04-29 | 青岛绿色家园环境设备有限公司 | Treating method of biogas prepared by mixed fermentation of organic wastes |
| CN105061043A (en) * | 2015-08-05 | 2015-11-18 | 马鞍山科邦生态肥有限公司 | Fertilizer synergistic additive with good moistureproof effect |
| CN113042503A (en) * | 2021-03-15 | 2021-06-29 | 宣城市安工大工业技术研究院有限公司 | Method for realizing complete recycling of kitchen waste through decomposition and fermentation |
-
2016
- 2016-05-14 CN CN201610321917.0A patent/CN106007842A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101066025A (en) * | 2007-06-13 | 2007-11-07 | 广东省生态环境与土壤研究所 | Winter potato fertilizer method capable of reducing sugar content |
| CN102351395A (en) * | 2011-06-23 | 2012-02-15 | 杭州职业技术学院 | System and method for treating pig manure and cultivation sewage |
| CN102921711A (en) * | 2012-07-17 | 2013-02-13 | 上海锦泰新能源环保科技有限公司 | Organic solid waste regeneration resource treatment method and apparatus system thereof |
| CN104561113A (en) * | 2015-01-19 | 2015-04-29 | 青岛绿色家园环境设备有限公司 | Treating method of biogas prepared by mixed fermentation of organic wastes |
| CN105061043A (en) * | 2015-08-05 | 2015-11-18 | 马鞍山科邦生态肥有限公司 | Fertilizer synergistic additive with good moistureproof effect |
| CN113042503A (en) * | 2021-03-15 | 2021-06-29 | 宣城市安工大工业技术研究院有限公司 | Method for realizing complete recycling of kitchen waste through decomposition and fermentation |
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Application publication date: 20161012 |
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