CN108530111A - A kind of diversification urea production process - Google Patents
A kind of diversification urea production process Download PDFInfo
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- CN108530111A CN108530111A CN201810239316.4A CN201810239316A CN108530111A CN 108530111 A CN108530111 A CN 108530111A CN 201810239316 A CN201810239316 A CN 201810239316A CN 108530111 A CN108530111 A CN 108530111A
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- agitator tank
- synergist
- urea
- diversification
- pump
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/10—Solid or semi-solid fertilisers, e.g. powders
- C05G5/12—Granules or flakes
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a kind of diversification urea production process, include the following steps：Stirring：Synergist is poured into underground tank, is then sufficiently stirred by blender, until being uniformly mixed；Dosing：The agitator tank that synergist is squeezed into chemicals dosing plant is stirred by self priming pump；Metering：According to produce load, the amount of synergist is controlled by metering pump, and the synergist in agitator tank is got between one or two sections of U-tubes of Urea Evaporation；Evaporation prilling：It is evaporated under reduced pressure by two sections, is sufficiently mixed by moisture evaporation contained therein, while with urine, granulation tower is sent to be granulated, form diversification urea；When agitator tank liquid level is low, self priming pump interlocked startup beats liquid into agitator tank, stops when liquid level height gives the correct time to pump.The present invention successfully realizes the switching production of agricultural common urea and zinc corruption uraturia element；Technique switching is simple, production is continuous, stable, solves the problems, such as that traditional mode of production mode cannot achieve multiple products and quickly produce.
Description
Technical field
The present invention relates to chemical technology field, specially a kind of diversification urea production process.
Background technology
Urea, also known as carbamide（carbamide）, the organic compound being made of carbon, nitrogen, oxygen, hydrogen is a kind of white
Crystal.One of simplest organic compound is the main nitrogenous of mammal and certain fish vivo protein metabolic breakdowns
Final product.It is also the current highest nitrogenous fertilizer of nitrogen content.
Which kind of flow contemporary urea production whether use, substantially by six technique units, i.e. raw material supply, urea
High-pressure synthesis, the separation process containing urea liquid, the recycling of unreacted ammonia and carbon dioxide, the concentration of urea liquid, be granulated with
Product conveys and process condensate processing.Although the basic process of urea production is similar, in specific flow, process conditions etc.
Aspect, ceaselessly technique have a certain difference, but be all the process units as conventional urea, the same device can not achieve
The production of a variety of urea is only capable of realizing the production of single product for example agricultural urea, industrial urea.
China's urea nitrogenous fertilizer consumption figure is big, and utilization rate is low, and loss is surprising.The utilization rate of China's nitrogen fertilizer in agriculture only has 30% left side
The right side, it is horizontal far below developed country, cause the huge waste of the energy and resource.Efficiently, the development of diversification urea is inevitable,
Develop specifically for special plant such as：For field crops such as spring maize, cotton, winter wheat, summer corn, peanut, rice, rapes
Exploitation, is added to phytic acid, alginic acid, small molecule amino acid, chitin, phosphorous acid, chitosan, beneficial element, compound organic matter
Deng increment urea；The urea of these multiple types is not very big in the possible demand in single area, and device is needed according to the market demand
Adjustment production decision in due course, realizes that the quick production of multiple products, traditional mode of production mode cannot achieve multiple products and quickly produces,
For this purpose, it is proposed that a kind of diversification urea production process.
Invention content
It is mentioned above in the background art to solve the purpose of the present invention is to provide a kind of diversification urea production process
Problem.
To achieve the above object, the present invention provides the following technical solutions：A kind of diversification urea production process, including it is as follows
Step：
（1）Stirring：Synergist is poured into underground tank, is then sufficiently stirred by blender, until being uniformly mixed.
（2）Dosing：The agitator tank that synergist is squeezed into chemicals dosing plant is stirred by self priming pump.
（3）Metering：According to produce load, the amount of synergist is controlled by metering pump, and the synergist in agitator tank is beaten
To between one or two sections of U-tubes of Urea Evaporation.
（4）Evaporation prilling：It is evaporated under reduced pressure by two sections, is sufficiently mixed, send by moisture evaporation contained therein, while with urine
Granulation tower is granulated, and forms diversification urea.
Preferably, the step（2）In self priming pump and agitator tank liquid level hang interlock, when agitator tank liquid level is low
It waits, self priming pump interlocking starts automatically and beats liquid into agitator tank, when the liquid level height pump that gives the correct time is automatically stopped.
Preferably, the step（3）In produce load corresponding adjustment is done to the knob of metering pump when changing.
Preferably, the step（4）Middle evaporation produce load is FT1134:60T, urine concentration 73%, the amount of metering pump
For 657L.
Preferably, the step（2）In agitator tank quantity be two, the step（3）In metering pump quantity be two
It is a.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention successfully realizes agricultural common urea and the rotten acid of zinc
The switching of urea produces；Technique switching is simple, production is continuous, stable, solve traditional mode of production mode cannot achieve it is multiple
The problem of product quickly produces.
Specific implementation mode
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
The every other embodiment that art personnel are obtained without making creative work belongs to the model that the present invention protects
It encloses.
The present invention provides a kind of technical solution：A kind of diversification urea production process, includes the following steps：
（1）Stirring：Synergist is poured into underground tank, is then sufficiently stirred by blender, until being uniformly mixed.
（2）Dosing：The agitator tank that synergist is squeezed into chemicals dosing plant is stirred by self priming pump.
（3）Metering：According to produce load, the amount of synergist is controlled by metering pump, and the synergist in agitator tank is beaten
To between one or two sections of U-tubes of Urea Evaporation.
（4）Evaporation prilling：It is evaporated under reduced pressure by two sections, is sufficiently mixed, send by moisture evaporation contained therein, while with urine
Granulation tower is granulated, and forms diversification urea.
Embodiment one：
Synergist is poured into underground tank first, is then sufficiently stirred by blender, until being uniformly mixed；Then by certainly
The agitator tank that synergist is squeezed into chemicals dosing plant is stirred by sucking pump；Then it according to produce load, is controlled and is increased by metering pump
The amount of agent is imitated, and the synergist in agitator tank is got between one or two sections of U-tubes of Urea Evaporation；It is steamed finally by two sections of decompressions
Hair, is sufficiently mixed by moisture evaporation contained therein, while with urine, granulation tower is sent to be granulated, and forms diversification urea.
Embodiment two：
In embodiment one, following processes are added：
Step（2）In self priming pump and the liquid level of agitator tank hang and interlock, when agitator tank liquid level is low, self priming pump interlocking is automatic
Start and beat liquid into agitator tank, when the liquid level height pump that gives the correct time is automatically stopped.
Synergist is poured into underground tank first, is then sufficiently stirred by blender, until being uniformly mixed；Then lead to
Self priming pump is crossed to be stirred the agitator tank that synergist is squeezed into chemicals dosing plant；The liquid level of self priming pump and agitator tank hangs interlocking, when
When agitator tank liquid level is low, self priming pump interlocking starts automatically and beats liquid into agitator tank, when the liquid level height pump that gives the correct time is automatically stopped；So
Afterwards according to produce load, the amount of synergist is controlled by metering pump, and the synergist in agitator tank is got into Urea Evaporation one or two
Between section U-tube；It is evaporated under reduced pressure finally by two sections, is sufficiently mixed by moisture evaporation contained therein, while with urine, send granulation
Tower is granulated, and forms diversification urea.
Embodiment three：
In embodiment two, following processes are added：
Step（3）In produce load corresponding adjustment is done to the knob of metering pump when changing.
Synergist is poured into underground tank first, is then sufficiently stirred by blender, until being uniformly mixed；Then lead to
Self priming pump is crossed to be stirred the agitator tank that synergist is squeezed into chemicals dosing plant；The liquid level of self priming pump and agitator tank hangs interlocking, when
When agitator tank liquid level is low, self priming pump interlocking starts automatically and beats liquid into agitator tank, when the liquid level height pump that gives the correct time is automatically stopped；So
Afterwards according to produce load, the amount of synergist is controlled by metering pump, and the synergist in agitator tank is got into Urea Evaporation one or two
Between section U-tube；Corresponding adjustment is done to the knob of metering pump when produce load changes；It is steamed finally by two sections of decompressions
Hair, is sufficiently mixed by moisture evaporation contained therein, while with urine, granulation tower is sent to be granulated, and forms diversification urea.
Example IV：
In embodiment three, following processes are added：
Step（4）Middle evaporation produce load is FT1134:The amount of 60T, urine concentration 73%, metering pump are 657L.
Synergist is poured into underground tank first, is then sufficiently stirred by blender, until being uniformly mixed；Then lead to
Self priming pump is crossed to be stirred the agitator tank that synergist is squeezed into chemicals dosing plant；The liquid level of self priming pump and agitator tank hangs interlocking, when
When agitator tank liquid level is low, self priming pump interlocking starts automatically and beats liquid into agitator tank, when the liquid level height pump that gives the correct time is automatically stopped；So
Afterwards according to produce load, the amount of synergist is controlled by metering pump, and the synergist in agitator tank is got into Urea Evaporation one or two
Between section U-tube；Corresponding adjustment is done to the knob of metering pump when produce load changes；It is steamed finally by two sections of decompressions
Hair, is sufficiently mixed by moisture evaporation contained therein, while with urine, granulation tower is sent to be granulated, and forms diversification urea, evaporation production
Load is FT1134:The amount of 60T, urine concentration 73%, metering pump are 657L.
Embodiment five：
In example IV, following processes are added：
Step（2）In agitator tank quantity be two, step（3）In metering pump quantity be two.
Synergist is poured into underground tank first, is then sufficiently stirred by blender, until being uniformly mixed；Then lead to
It crosses self priming pump to be stirred the agitator tank that synergist is squeezed into chemicals dosing plant, wherein agitator tank quantity is two；Self priming pump with
The liquid level of agitator tank hangs interlocking, and when agitator tank liquid level is low, self priming pump interlocking starts automatically beats liquid into agitator tank, works as liquid
The height pump that gives the correct time in position is automatically stopped；Then according to produce load, the amount of synergist is controlled by metering pump, wherein metering pump quantity is
Two, and the synergist in agitator tank is got between one or two sections of U-tubes of Urea Evaporation；When produce load changes to meter
The knob of amount pump does corresponding adjustment；It is evaporated under reduced pressure finally by two sections, by moisture evaporation contained therein, and meanwhile it is abundant with urine
Mixing, send granulation tower to be granulated, and forms diversification urea, and evaporation produce load is FT1134:60T, urine concentration 73%, metering
The amount of pump is 657L.
The present invention successfully realizes the switching production of agricultural common urea and zinc corruption uraturia element；Technique switching is simple, production connects
It is continuous, stable, solve the problems, such as that traditional mode of production mode cannot achieve multiple products and quickly produce.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of diversification urea production process, it is characterised in that：Include the following steps：
（1）Stirring：Synergist is poured into underground tank, is then sufficiently stirred by blender, until being uniformly mixed.
（2）Dosing：The agitator tank that synergist is squeezed into chemicals dosing plant is stirred by self priming pump.
（3）Metering：According to produce load, the amount of synergist is controlled by metering pump, and the synergist in agitator tank is got into urine
Between element one or two sections of U-tubes of evaporation.
（4）Evaporation prilling：It is evaporated under reduced pressure by two sections, is sufficiently mixed by moisture evaporation contained therein, while with urine, send granulation
Tower is granulated, and forms diversification urea.
2. a kind of diversification urea production process according to claim 1, it is characterised in that：The step（2）In from
The liquid level of sucking pump and agitator tank hangs interlocking, and when agitator tank liquid level is low, self priming pump interlocking is automatic to be started, and is beaten into agitator tank
Liquid, when the liquid level height self priming pump that gives the correct time is automatically stopped.
3. a kind of diversification urea production process according to claim 1, it is characterised in that：The step（3）In life
Production load does corresponding adjustment when changing to the knob of metering pump.
4. a kind of diversification urea production process according to claim 1, it is characterised in that：The step（4）Middle evaporation
Produce load is FT1134:The amount of 60T, urine concentration 73%, metering pump are 657L.
5. a kind of diversification urea production process according to claim 1, it is characterised in that：The step（2）In stir
It is two to mix tank quantity, the step（3）In metering pump quantity be two.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810239316.4A CN108530111A (en) | 2018-03-22 | 2018-03-22 | A kind of diversification urea production process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810239316.4A CN108530111A (en) | 2018-03-22 | 2018-03-22 | A kind of diversification urea production process |
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| CN108530111A true CN108530111A (en) | 2018-09-14 |
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| CN201810239316.4A Pending CN108530111A (en) | 2018-03-22 | 2018-03-22 | A kind of diversification urea production process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108503394A (en) * | 2018-03-22 | 2018-09-07 | 何朋飞 | A kind of diversification urea production process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1256259A (en) * | 1999-11-17 | 2000-06-14 | 中国科学院沈阳应用生态研究所 | Liquid area synergist and its use |
| CN103772053A (en) * | 2014-02-12 | 2014-05-07 | 张彬 | Urea synergist as well as preparation method and usage thereof |
| CN106478299A (en) * | 2016-10-26 | 2017-03-08 | 秦皇岛五弦维爱科技开发有限公司 | A kind of carbamide enhanced fertilizer and preparation method thereof |
| CN107488064A (en) * | 2017-08-10 | 2017-12-19 | 青海盐湖工业股份有限公司 | A kind of diversification urea production process |
| CN108503394A (en) * | 2018-03-22 | 2018-09-07 | 何朋飞 | A kind of diversification urea production process |
-
2018
- 2018-03-22 CN CN201810239316.4A patent/CN108530111A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1256259A (en) * | 1999-11-17 | 2000-06-14 | 中国科学院沈阳应用生态研究所 | Liquid area synergist and its use |
| CN103772053A (en) * | 2014-02-12 | 2014-05-07 | 张彬 | Urea synergist as well as preparation method and usage thereof |
| CN106478299A (en) * | 2016-10-26 | 2017-03-08 | 秦皇岛五弦维爱科技开发有限公司 | A kind of carbamide enhanced fertilizer and preparation method thereof |
| CN107488064A (en) * | 2017-08-10 | 2017-12-19 | 青海盐湖工业股份有限公司 | A kind of diversification urea production process |
| CN108503394A (en) * | 2018-03-22 | 2018-09-07 | 何朋飞 | A kind of diversification urea production process |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108503394A (en) * | 2018-03-22 | 2018-09-07 | 何朋飞 | A kind of diversification urea production process |
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Application publication date: 20180914 |
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