CN104496613A - Compound fertilizer finished product cooling method and device - Google Patents
Compound fertilizer finished product cooling method and device Download PDFInfo
- Publication number
- CN104496613A CN104496613A CN201510015753.4A CN201510015753A CN104496613A CN 104496613 A CN104496613 A CN 104496613A CN 201510015753 A CN201510015753 A CN 201510015753A CN 104496613 A CN104496613 A CN 104496613A
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- plate
- waste water
- type heat
- water
- 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.)
- Granted
Links
- 239000003337 fertilizer Substances 0.000 title claims abstract description 53
- 238000001816 cooling Methods 0.000 title claims abstract description 21
- 150000001875 compounds Chemical class 0.000 title abstract 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 75
- 239000000498 cooling water Substances 0.000 claims abstract description 12
- 239000002351 wastewater Substances 0.000 claims description 86
- 239000002131 composite material Substances 0.000 claims description 47
- 239000002245 particle Substances 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 17
- 239000000428 dust Substances 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 6
- 239000010881 fly ash Substances 0.000 claims description 6
- 206010039509 Scab Diseases 0.000 claims description 4
- 238000012216 screening Methods 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims description 2
- 238000013022 venting Methods 0.000 claims description 2
- 239000008213 purified water Substances 0.000 abstract 6
- 239000008187 granular material Substances 0.000 abstract 3
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000007710 freezing Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
Classifications
-
- 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
- C05G1/00—Mixtures of fertilisers belonging individually to different subclasses of C05
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a compound fertilizer finished product cooling method and device. The compound fertilizer finished product cooling method includes that after compound fertilizers are granulated, high temperature granules slowly pass through a heat exchange plate group from top to bottom, cooling water passes among heat transmission plates and performs heat exchange with the high temperature granules of the compound fertilizers so that finished products can be cooled, and meanwhile, purified air enters from the bottom of a purified water plate heat exchanger and directly performs heat exchange with finished product granules. The device comprises a purified water plate heat exchanger, a purified water buffer tank, a purified water circulating pump and a circulating water plate heat exchanger, and the purified water plate heat exchanger, the purified water buffer tank and the circulating water plate heat exchanger are in pairwise connection through pipelines to form a closed loop circulating system. By means of the compound fertilizer finished product cooling method and device, cooling capacity loss can be reduced, the cooling efficiency is increased, and power consumption is 50%-80% lower than that of a traditional cooling method.
Description
Technical field
The present invention relates to composite fertilizer's finished product cooling, specifically a kind of method and apparatus utilizing water and air to reduce composite fertilizer's finished product temperature.
Background technology
Main method freezing air at present for reducing composite fertilizer's finished particle temperature directly contacts with finished particle thus reaches cooling object.Its traditional chilled air cools mode is divided into again drum-type water cooler and fluidized-bed two kinds, these two kinds of types of cooling due to the duration of contact of air and finished particle short, a large amount of freezing airs is needed to cool composite fertilizer's finished particle, and need to carry out lowering the temperature and dehumidification treatments for reducing the freezing air of composite fertilizer's finished product, cold runs off large, cooling efficiency is low, and power consumption is high, and floor space is large.
Summary of the invention
The object of the invention is to solve the problems of the technologies described above, a kind of composite fertilizer finished product method of cooling and device are provided, larger heat transfer area can be provided in limited space, reduce cold and run off, improve cooling efficiency.
Realizing technical scheme of the present invention is: a kind of composite fertilizer finished product method of cooling, comprises the steps,
1) after composite fertilizer's granulating, 50 ~ 90 DEG C of particles remove dust and small-particle through screening system, enter from composite fertilizer's feeding line on plate-type heat exchanger top of purifying waste water, the water indirect heat exchange slowly flowing downward in heat exchanger plate group and purify waste water between plate-type heat exchanger plate, controls between 20 ~ 40 DEG C through composite fertilizer's feeding line go out to purify waste water finished particle temperature of plate-type heat exchanger;
2) water of 30 ~ 60 DEG C in clean water surge tank is forced into 0.2 ~ 1.0MPa by recycle pump of purifying waste water, undertaken changing by the recirculated cooling water of recirculated water plate-type heat exchanger and 5 ~ 30 DEG C and be chilled to 10 ~ 30 DEG C, enter bottom plate-type heat exchanger of purifying waste water through cooled 10 ~ 30 t/h that purify waste water and carry out indirect heat exchange with 50 ~ 90 DEG C of composite fertilizer's finished particle come from top, after heat exchange purify waste water from purify waste water plate-type heat exchanger top out temperature flow into clean water surge tank after reaching 30 ~ 60 DEG C, purify waste water formed closed circuit circulatory system can be recycled;
3) normal temperature purifies air 500 ~ 2000Nm
3enter from the bottom of plate-type heat exchanger of purifying waste water, directly carry out heat exchange with the finished particle of purifying waste water in plate-type heat exchanger, and the wriggling of finished particle in plate-type heat exchanger can be increased, prevent finished particle from scabbing in plate-type heat exchanger, air after heat exchange flows out from plate-type heat exchanger top of purifying waste water and enters fly-ash separator, air venting after dedusting is in air, and composite fertilizer's dust of recovery enters composite fertilizer's revert system.
Implement composite fertilizer's finished product refrigerating unit of aforesaid method, comprise plate-type heat exchanger of purifying waste water, clean water surge tank, recycle pump of purifying waste water, recirculated water plate-type heat exchanger; Composite fertilizer's feeding line is arranged at described plate-type heat exchanger top of purifying waste water, and there is composite fertilizer's discharging pipeline its underpart; Purify waste water entrance in described plate-type heat exchanger bottom of purifying waste water, treated water outlet is arranged at its top; Described plate-type heat exchanger of purifying waste water, to connect between two with pipeline between clean water surge tank and recirculated water plate-type heat exchanger, form closed circuit circulatory system; Described recirculated water plate-type heat exchanger outlet is connected with the entrance of purifying waste water of plate-type heat exchanger bottom of purifying waste water; The connection line of clean water surge tank outlet is provided with recycle pump of purifying waste water; The purify waste water bottom of plate-type heat exchanger is connected with the inlet tube that purifies air, and dusty gas discharge outlet is arranged at its top.
The dusty gas discharge outlet on described plate-type heat exchanger top of purifying waste water is connected with fly-ash separator.
Described fly-ash separator is sack cleaner.
The connection line of described clean water surge tank outlet is provided with two or more recycle pumps of purifying waste water in parallel.
Purify waste water entrance in the top of described clean water surge tank, there is treated water outlet its underpart.
Described clean water surge tank accesses a fresh supplementary pipeline of purifying waste water.
Vapor pipe is arranged at described clean water surge tank top, and water shoot is arranged at bottom.
Purify waste water entrance in described recirculated water plate-type heat exchanger bottom, treated water outlet is arranged at its top.
Described recirculated water plate-type heat exchanger bottom is connected with cooling water inlet pipe line, and its top is connected with cooling water outlet tube line.
The invention has the beneficial effects as follows:
1, can provide larger heat transfer area in limited space, reduce cold and run off, improve cooling efficiency, power consumption reduces by 50 ~ 80% than traditional method of cooling.
2, the wriggling of finished particle in plate-type heat exchanger can be increased, prevent finished particle from scabbing in plate-type heat exchanger.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further detailed.
Fig. 1 is a kind of structural representation of the present invention.
Number in the figure: 1-clean water surge tank; 2-recycle pump of purifying waste water; 3-recirculated water plate-type heat exchanger; 4-plate-type heat exchanger of purifying waste water; 5-sack cleaner; 6-dedusting fan; 71-composite fertilizer feeding line; 72-composite fertilizer discharging pipeline; 81-connection line of purifying waste water; 82-fresh supplementary pipeline of purifying waste water; 91-cooling water inlet pipe line; 92-cooling water outlet pipe line; 101-dusty gas discharge outlet; Outfall pipeline after 102-dust removal process; 11-sack cleaner powder gathering line; 12-purify air inlet tube; 13-vapor pipe; 14-water shoot.
Embodiment
As shown in Figure 1, a kind of composite fertilizer finished product method of cooling, comprises the steps,
1) after composite fertilizer's granulating, 60 DEG C of particles remove dust and small-particle through screening system, enter from composite fertilizer's feeding line 71 on plate-type heat exchanger 4 top of purifying waste water, the water indirect heat exchange slowly flowing downward in heat exchanger plate group and purify waste water between plate-type heat exchanger 4 plate, controls at 25 DEG C through composite fertilizer's discharging pipeline 72 go out to purify waste water finished particle temperature of plate-type heat exchanger 4;
2) water of 30 DEG C in clean water surge tank 1 is forced into 0.5MPa by recycle pump 2 of purifying waste water, undertaken changing by the recirculated cooling water of recirculated water plate-type heat exchanger 3 and 15 DEG C and be chilled to 20 DEG C, enter bottom plate-type heat exchanger 4 of purifying waste water through cooled 10 t/h that purify waste water and carry out indirect heat exchange with the 60 DEG C of composite fertilizer's finished particle come from top, after heat exchange purify waste water from purify waste water plate-type heat exchanger 4 top out temperature flow into clean water surge tank 1 after reaching 30 DEG C, purify waste water formed closed circuit circulatory system can be recycled;
3) normal temperature purifies air 500Nm
3enter from the bottom of plate-type heat exchanger 4 of purifying waste water, directly carry out heat exchange with the finished particle of purifying waste water in plate-type heat exchanger 4, and the wriggling of finished particle in plate-type heat exchanger can be increased, prevent finished particle from scabbing in plate-type heat exchanger, air after heat exchange flows out from plate-type heat exchanger top dusty gas discharge outlet 101 of purifying waste water and enters sack cleaner 5, the outfall pipeline of dusty gas after dust removal process is disposed in air, and the composite fertilizer's dust reclaimed by sack cleaner powder gathering line 11 enters composite fertilizer's revert system.
Implement composite fertilizer's finished product refrigerating unit of aforesaid method, comprise plate-type heat exchanger 4 of purifying waste water, clean water surge tank 1, recycle pump 2 of purifying waste water, recirculated water plate-type heat exchanger 3; Composite fertilizer's feeding line 71 is arranged at described plate-type heat exchanger 4 top of purifying waste water, and there is composite fertilizer's discharging pipeline 72 its underpart; Purify waste water entrance in described plate-type heat exchanger 4 bottom of purifying waste water, treated water outlet is arranged at its top; Described plate-type heat exchanger 4 of purifying waste water, to connect between two with connection line 81 of purifying waste water between clean water surge tank 1 and recirculated water plate-type heat exchanger 3, form closed circuit circulatory system; Described recirculated water plate-type heat exchanger 3 outlet is connected with the entrance of purifying waste water of plate-type heat exchanger 4 bottom of purifying waste water; The connection line 81 of purifying waste water that clean water surge tank 1 exports is provided with two recycle pumps 2 of purifying waste water in parallel; The purify waste water bottom of plate-type heat exchanger 4 is also connected 12 with the inlet tube that purifies air, and dusty gas discharge outlet 101 is arranged at its top.Described dusty gas discharge outlet 101 of purifying waste water plate-type heat exchanger 4 top is connected with sack cleaner 5; With dedusting fan 6, the outfall pipeline 102 after air suction dust removal process after process is entered air.Purify waste water entrance in the top of described clean water surge tank 1, there is treated water outlet its underpart.Described clean water surge tank 1 accesses a fresh supplementary pipeline 82 of purifying waste water.Vapor pipe 13 is arranged at described clean water surge tank 1 top, and water shoot 14 is arranged at bottom.Purify waste water entrance in described recirculated water plate-type heat exchanger 3 bottom, treated water outlet is arranged at its top.Described recirculated water plate-type heat exchanger 3 bottom is connected with cooling water inlet pipe line 91, and its top is connected with cooling water outlet tube line 92.
Claims (10)
1. composite fertilizer's finished product method of cooling, is characterized in that: comprise the steps,
1) after composite fertilizer's granulating, 50 ~ 90 DEG C of particles remove dust and small-particle through screening system, enter from composite fertilizer's feeding line on plate-type heat exchanger top of purifying waste water, the water indirect heat exchange slowly flowing downward in heat exchanger plate group and purify waste water between plate-type heat exchanger plate, controls between 20 ~ 40 DEG C through composite fertilizer's discharging pipeline go out to purify waste water finished particle temperature of plate-type heat exchanger;
2) water of 30 ~ 60 DEG C in clean water surge tank is forced into 0.2 ~ 1.0MPa by recycle pump of purifying waste water, undertaken changing by the recirculated cooling water of recirculated water plate-type heat exchanger and 5 ~ 30 DEG C and be chilled to 10 ~ 30 DEG C, enter bottom plate-type heat exchanger of purifying waste water through cooled 10 ~ 30 t/h that purify waste water and carry out indirect heat exchange with 50 ~ 90 DEG C of composite fertilizer's finished particle come from top, after heat exchange purify waste water from purify waste water plate-type heat exchanger top out temperature flow into clean water surge tank after reaching 30 ~ 60 DEG C, purify waste water formed closed circuit circulatory system can be recycled;
3) normal temperature purifies air 500 ~ 2000Nm
3enter from the bottom of plate-type heat exchanger of purifying waste water, directly carry out heat exchange with the finished particle of purifying waste water in plate-type heat exchanger, and the wriggling of finished particle in plate-type heat exchanger can be increased, prevent finished particle from scabbing in plate-type heat exchanger, air after heat exchange flows out from plate-type heat exchanger top of purifying waste water and enters fly-ash separator, air venting after dedusting is in air, and composite fertilizer's dust of recovery enters composite fertilizer's revert system.
2. implement the claims composite fertilizer's finished product refrigerating unit of method described in 1, comprise plate-type heat exchanger of purifying waste water, clean water surge tank, recycle pump of purifying waste water, recirculated water plate-type heat exchanger; Composite fertilizer's feeding line is arranged at described plate-type heat exchanger top of purifying waste water, and there is composite fertilizer's discharging pipeline its underpart; Purify waste water entrance in described plate-type heat exchanger bottom of purifying waste water, treated water outlet is arranged at its top; Described plate-type heat exchanger of purifying waste water, to connect between two with pipeline between clean water surge tank and recirculated water plate-type heat exchanger, form closed circuit circulatory system; Described recirculated water plate-type heat exchanger outlet is connected with the entrance of purifying waste water of plate-type heat exchanger bottom of purifying waste water; The connection line of clean water surge tank outlet is provided with recycle pump of purifying waste water; The purify waste water bottom of plate-type heat exchanger is connected with the inlet tube that purifies air, and dusty gas discharge outlet is arranged at its top.
3. composite fertilizer's finished product refrigerating unit according to claim 2, is characterized in that: described in the purify waste water air vout on plate-type heat exchanger top be connected with fly-ash separator.
4. composite fertilizer's finished product refrigerating unit according to claim 3, is characterized in that: described fly-ash separator is sack cleaner.
5. composite fertilizer's finished product refrigerating unit according to claim 2, is characterized in that: the connection line of described clean water surge tank outlet is provided with two or more recycle pumps of purifying waste water in parallel.
6. composite fertilizer's finished product refrigerating unit according to claim 2, is characterized in that: purify waste water entrance in the top of described clean water surge tank, there is treated water outlet its underpart.
7. composite fertilizer's finished product method of cooling device according to claim 2, is characterized in that: described clean water surge tank accesses a fresh supplementary pipeline of purifying waste water.
8. composite fertilizer's finished product method of cooling device according to claim 2, is characterized in that: vapor pipe is arranged at described clean water surge tank top, and water shoot is arranged at bottom.
9. composite fertilizer's finished product refrigerating unit according to claim 2, is characterized in that: purify waste water entrance in described recirculated water plate-type heat exchanger bottom, treated water outlet is arranged at its top.
10. composite fertilizer's finished product refrigerating unit according to claim 2, is characterized in that: described recirculated water plate-type heat exchanger bottom is connected with cooling water inlet pipe, and its top is connected with cooling water outlet tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510015753.4A CN104496613B (en) | 2015-01-13 | 2015-01-13 | A kind of composite fertilizer's finished product cooling means and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510015753.4A CN104496613B (en) | 2015-01-13 | 2015-01-13 | A kind of composite fertilizer's finished product cooling means and device |
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| Publication Number | Publication Date |
|---|---|
| CN104496613A true CN104496613A (en) | 2015-04-08 |
| CN104496613B CN104496613B (en) | 2018-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510015753.4A Active CN104496613B (en) | 2015-01-13 | 2015-01-13 | A kind of composite fertilizer's finished product cooling means and device |
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| Country | Link |
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| CN (1) | CN104496613B (en) |
Cited By (1)
| 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 |
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| CN1182066A (en) * | 1997-11-28 | 1998-05-20 | 黑龙江省农业生产资料公司 | Composite fertilizer producing technology and equipment by dissolving spraying and pelletizing ammonium nitrate |
| CN1672781A (en) * | 2005-01-25 | 2005-09-28 | 周端午 | Integrated melt material pelletizing and filming production method and apparatus |
| JP2008105898A (en) * | 2006-10-25 | 2008-05-08 | Murakashi Sekkai Kogyo Kk | New potassium phosphate compound fertilizer and its production method |
| JP2009249239A (en) * | 2008-04-08 | 2009-10-29 | P C Center:Kk | Liquid compound fertilizer and method of manufacturing the same |
| CN201665630U (en) * | 2010-03-15 | 2010-12-08 | 訾兆举 | Novel device for producing ammoniated and pelletized potassium sulfate compound fertilizer |
| CN102898220A (en) * | 2012-11-13 | 2013-01-30 | 广州市凯米瑞化肥有限公司 | Plate type water cooling device applicable to particle fertilizer |
| CN103102184A (en) * | 2012-10-31 | 2013-05-15 | 湖北新洋丰肥业股份有限公司 | Method for utilizing cold energy of circulating water of ammonia evaporator |
| CN203451398U (en) * | 2013-08-06 | 2014-02-26 | 云南中骏生物科技有限公司 | Cooling air cyclic utilization device in compound fertilizer production |
| CN104108967A (en) * | 2013-04-19 | 2014-10-22 | 云中英 | Production process for preparing compound fertilizer through urea sulfate ammoniation method |
-
2015
- 2015-01-13 CN CN201510015753.4A patent/CN104496613B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1182066A (en) * | 1997-11-28 | 1998-05-20 | 黑龙江省农业生产资料公司 | Composite fertilizer producing technology and equipment by dissolving spraying and pelletizing ammonium nitrate |
| CN1672781A (en) * | 2005-01-25 | 2005-09-28 | 周端午 | Integrated melt material pelletizing and filming production method and apparatus |
| JP2008105898A (en) * | 2006-10-25 | 2008-05-08 | Murakashi Sekkai Kogyo Kk | New potassium phosphate compound fertilizer and its production method |
| JP2009249239A (en) * | 2008-04-08 | 2009-10-29 | P C Center:Kk | Liquid compound fertilizer and method of manufacturing the same |
| CN201665630U (en) * | 2010-03-15 | 2010-12-08 | 訾兆举 | Novel device for producing ammoniated and pelletized potassium sulfate compound fertilizer |
| CN103102184A (en) * | 2012-10-31 | 2013-05-15 | 湖北新洋丰肥业股份有限公司 | Method for utilizing cold energy of circulating water of ammonia evaporator |
| CN102898220A (en) * | 2012-11-13 | 2013-01-30 | 广州市凯米瑞化肥有限公司 | Plate type water cooling device applicable to particle fertilizer |
| CN104108967A (en) * | 2013-04-19 | 2014-10-22 | 云中英 | Production process for preparing compound fertilizer through urea sulfate ammoniation method |
| CN203451398U (en) * | 2013-08-06 | 2014-02-26 | 云南中骏生物科技有限公司 | Cooling air cyclic utilization device in compound fertilizer production |
Cited By (1)
| 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 |
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| Publication number | Publication date |
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| CN104496613B (en) | 2018-03-16 |
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Effective date of registration: 20240804 Address after: No. 55 Hedong Avenue, Economic Development Zone, Shehong City, Suining City, Sichuan Province 629200 Patentee after: SICHUAN MEIFENG CHEMICAL INDUSTRY Co.,Ltd. Country or region after: China Patentee after: Sichuan Meifeng Chemical Technology Co.,Ltd. Address before: No. 87, Xinyang street, Taihe Town, Shehong County, Suining City, Sichuan Province 629200 Patentee before: SICHUAN MEIFENG CHEMICAL INDUSTRY Co.,Ltd. Country or region before: China |
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