CN106403280A - Fertilizer production process hot blast supply system using flue gas waste heat - Google Patents
Fertilizer production process hot blast supply system using flue gas waste heat Download PDFInfo
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- CN106403280A CN106403280A CN201610468663.5A CN201610468663A CN106403280A CN 106403280 A CN106403280 A CN 106403280A CN 201610468663 A CN201610468663 A CN 201610468663A CN 106403280 A CN106403280 A CN 106403280A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/06—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24V—COLLECTION, PRODUCTION OR USE OF HEAT NOT OTHERWISE PROVIDED FOR
- F24V30/00—Apparatus or devices using heat produced by exothermal chemical reactions other than combustion
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- Thermal Sciences (AREA)
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- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Fertilizers (AREA)
Abstract
The invention relates to a fertilizer production process hot blast supply system using flue gas waste heat. The fertilizer production process hot blast supply system comprises a heat exchange tower with a normal temperature air inlet and a hot air outlet, and the normal temperature air inlet is connected with an air filter. A heat exchanger is installed inside the heat exchange tower. The inlet end of the heat exchanger communicates with a smoke outlet of a boiler, and the outlet end of the heat exchanger is connected with a dust remover. The smoke outlet end of the dust remover is connected with an induced draft fan. According to the fertilizer production process hot blast supply system, hot energy of high-temperature flue gas generated in boiler combustion is fully utilized, the heat energy can be transmitted to the air in a heat exchange mode, and the hot air is used for drying and heating in the fertilizer production process. The fertilizer production process hot blast supply system has the prominent effects of saving energy and reducing production cost.
Description
Technical field
The present invention relates to a kind of warm-air supply system is and in particular to a kind of production technique for fertilizer warm-air supply system of utilization fume afterheat.
Background technology
Production technique for fertilizer be unable to do without hot blast, and the such as operation such as raw material reaction heating, particle drying is required for Hot-blast Heating.Hot blast is typically prepared by the way of air is electrically heated with its temperature of raising by fertilizer production enterprise at present.The major defect of this mode is high energy consumption, and then leads to operation cost of enterprises to increase.
Content of the invention
The technical problem to be solved is to provide a kind of production technique for fertilizer warm-air supply system of utilization fume afterheat, and first, utilize boiler smoke heat to prepare hot blast for production technique for fertilizer, reach the purpose of energy saving；Secondth, using high-temperature flue gas and the spontaneous heating material mode of heating that combines of heating, comprehensive utilization boiler afterheat and and chemical energy, improve energy-saving effect further.
Technical scheme is as follows：
Using fume afterheat production technique for fertilizer warm-air supply system it is characterised in that it includes the heat exchange columns with normal temperature air entrance and hot air outlet, described normal temperature air entrance is connected with air cleaner；Heat exchanger is installed in heat exchange columns, the arrival end of heat exchanger is communicated with the exhaust opening of boiler, the port of export is connected with deduster, the smoke end of deduster is connected with air-introduced machine；Described heat exchanger includes root and is fixed on some blocks of heat sinks on heat exchange inner wall of tower and each with exhaust gases passes, interconnected by flue gas arm between the exhaust gases passes of adjacent heat radiation plate, the heat sink of bottom is communicated with the exhaust opening of boiler, and the heat sink of the top is communicated with fume pipe.
It is provided with heat exchange columns outer wall and clears up pipe correspondingly with described heat sink, the inner corresponding heat sink of described cleaning pipe communicates, and outer end carries closing door.
Described heat exchange columns（5）Tower wall carry for heat exchange columns inner air transmit heat hollow sandwich, there is in hollow sandwich spontaneous heating material；
Described spontaneous heating material is prepared from according to following steps：
1）, by macromolecular material and distilled water according to mass ratio 3～15:60～97 are added separately in reactor, are heated to 80～100 DEG C, and stir to being completely dissolved, obtain product A；
2）, by product A, electrolyte, foaming agent and iron powder according to mass ratio 5～15:1～10:1～10:Granulated after 65～93 mixing, obtained gel particle, referred to as product B；And,
By product A, metal powder, electrolyte and foaming agent according to mass ratio 5～15:65～93:1～10:Granulated after 1～10 mixing, obtained gel particle, referred to as products C；
3）, by product B and products C according to mass ratio 15～85:15～85 compatibilities, obtain spontaneous heating material；
Described macromolecular material is the two or more of one of polyacrylamide, sodium alginate and gelatin or arbitrary proportion；
Described electrolyte is the two or more of one of potassium chloride, sodium chloride, potassium sulfate and sodium sulphate or arbitrary proportion；
Described foaming agent is the two or more of one of neopelex, lauryl sodium sulfate and sorbitan fatty acid ester -20 or arbitrary proportion；
Described metal powder is the two or more of one of zinc powder, magnesium powder, manganese powder, copper powder, lead powder and lithium powder or arbitrary proportion.
Preferably, step 2）In, the mass ratio between product A, electrolyte, foaming agent and iron powder is 5:1:10:65, the mass ratio between product A, metal powder, electrolyte and foaming agent is 15:65:10:10；Step 3）In, the mass ratio between product B and products C is 1:1.
The positive effect of the present invention is：
Firstth, the system takes full advantage of the heat energy of the high-temperature flue gas of boiler combustion generation, transfers thermal energy to air by heat exchange method, and hot-air is used for drying and the heating of production technique for fertilizer.There is energy saving, reduce the prominent effect of production cost.The heat exchanger main body of the present invention is plate type radiator piece, and each piece of plate type radiator piece outer end is provided with cleaning pipe, is easy to heat exchanger and is cleared up.
Secondth, the present invention using high-temperature flue gas and the spontaneous heating material mode of heating that combines of heating, fully utilize boiler afterheat and and chemical energy, there is more superior energy-saving effect.In addition, exothermic material is made two independent component particles by the present invention, it is easy to be kept separately and can avoid related component interreaction, cause the loss of material；Foaming agent is added in exothermic material of the present invention, when in chuck, material is reached uniform temperature by steam heating, foaming agent produces bubble, and bubble increased the disintegration rate of gel, make gel quickly become liquid, discharge moisture in gel, iron powder, metal powder and electrolyte；Bubble also increases moisture, iron powder, metal powder and electrolyte interface and amasss, and reaches fast heating purpose；Exothermic material of the present invention controls reaction heat by gel, and moisture discharges from gel when the temperature increases, and gel mobility increases the resistance to electronics and reduces, and can meet fast heating requirement.When quitting work, temperature reduces, and gel mobility reduces, and the resistance of electronics is increased, can slow down the consumption of iron powder or metal powder, extend the service life of spontaneous heating material of the present invention.
Brief description
Fig. 1 is structure and the operation principle schematic diagram of the present invention.
Specific embodiment
Further illustrate the present invention with reference to the accompanying drawings and examples.
As Fig. 1, embodiments of the invention include that side carries normal temperature air entrance, top carries the heat exchange columns 5 of hot air outlet 6, and described normal temperature air entrance is connected with air cleaner 1 by air supply pipe 2.Normal temperature air enters through normal temperature air entrance after air cleaner 1 filtration and participates in heat exchange in heat exchange columns, and high temperature air goes out, through hot air outlet 6, drying and the heating that system is used for production technique for fertilizer.
Heat exchanger 4 is installed in heat exchange columns 5, the arrival end of heat exchanger 4 is communicated with the exhaust opening of boiler 10, the port of export is connected with deduster 9 by fume pipe 7, the smoke end of deduster 9 is connected with air-introduced machine 8 by tracheae.Under air-introduced machine 8 effect, the high-temperature flue gas that boiler is discharged flow through heat exchanger 4 and participate in heat exchange, transfer heat to the air in heat exchange columns, then enter deduster 9 through fume pipe 7, give off system after dust removes.
Described heat exchanger 4 includes some blocks of heat sinks that root is fixed on heat exchange columns 5 inwall and each has exhaust gases passes, interconnected by flue gas arm between the exhaust gases passes of adjacent heat radiation plate, the heat sink of bottom is communicated with the exhaust opening of boiler 10, and the heat sink of the top is communicated with fume pipe 7.Described heat sink outer surface carries fin, to improve heat exchange area.
It is provided with heat exchange columns 5 outer wall and clears up pipe 3 correspondingly with described heat sink, the corresponding heat sink in described cleaning pipe 3 the inner communicates, and outer end carries closing door.After using after a while, open closing door and clear up its corresponding heat sink inwall.
In order to improve energy-saving effect further, the tower wall of described heat exchange columns 5 carries the hollow sandwich for transmitting heat to heat exchange columns inner air, has spontaneous heating material in hollow sandwich.
Described hollow sandwich is provided with heating material refueling nozzle and heating material is released mouth.Heated for spontaneous heating material material refueling nozzle is added in hollow sandwich.Need change spontaneous heating material when, open heating material release mouth discharge.
The following is preparation embodiment and the experiment effect of spontaneous heating material of the present invention.
Embodiment one
1）, by polyacrylamide and distilled water according to mass ratio 8:92 are added in container, are heated to 94 DEG C, stir to being completely dissolved, are cooled to gel, obtain product A；
2）, by product A, potassium chloride, neopelex and iron powder according to mass ratio 10:6:5:Granulated after 80 mixing, obtained gel particle, referred to as product B；And,
By product A, zinc powder, potassium chloride and neopelex according to mass ratio 10:80:6:Granulated after 6 mixing, obtained gel particle, referred to as products C；
3）, use when, by product B and products C according to mass ratio 1:1 compatibility, obtains spontaneous heating material of the present invention.
Embodiment two
1）, by sodium alginate and distilled water according to mass ratio 3:97 are added in container, are heated to 80 DEG C, stir to being completely dissolved, are cooled to gel, obtain product A；
2）, by product A, potassium sulfate, lauryl sodium sulfate and iron powder according to mass ratio 5:1:10:Granulated after 93 mixing, obtained gel particle, referred to as product B；And,
By product A, magnesium powder, potassium sulfate and lauryl sodium sulfate according to mass ratio 15:65: 10:Granulated after 1 mixing, obtained gel particle, referred to as products C；
3）, use when, by product B and products C according to mass ratio 15:85 compatibilities, obtain spontaneous heating material of the present invention.
Embodiment three
1）, by gelatin and distilled water according to mass ratio 15:60 are added in container, are heated to 98 DEG C, stir to being completely dissolved, are cooled to gel, obtain product A；
2）, by product A, sodium sulphate, sorbitan fatty acid ester -20 and iron powder according to mass ratio 15:10:1:Granulated after 65 mixing, obtained gel particle, referred to as product B；And,
By product A, lead powder, sodium sulphate and sorbitan fatty acid ester -20 according to mass ratio 5: 93:1:Granulated after 10 mixing, obtained gel particle, referred to as products C；
3）, use when, by product B and products C according to mass ratio 85:15 compatibilities, obtain spontaneous heating material of the present invention.
Example IV
1）, by polyacrylamide and distilled water according to mass ratio 8:92 are added in container, are heated to 94 DEG C, stir to being completely dissolved, are cooled to gel, obtain product A；
2）, by product A, potassium chloride, neopelex and iron powder according to mass ratio 5:1:10:Granulated after 65 mixing, obtained gel particle, referred to as product B；And,
By product A, lead powder, potassium chloride and neopelex according to mass ratio 15:65:10:Granulated after 10 mixing, obtained gel particle, referred to as products C；
3）, use when, by product B and products C according to mass ratio 1:1 compatibility, obtains spontaneous heating material of the present invention.
The fineness of iron powder used by the present invention and metal powder is 100～200 mesh.
Further illustrate the effect of spontaneous heating material of the present invention with reference to experimental data：
To be respectively charged in sealing container according to spontaneous heating material prepared by the embodiment of the present invention one to four, form heating container one to four, distilled water is loaded and in sealing container, forms control container.
Above five containers are respectively installed in five cyclic water tanks respectively coming with electric heating tube, are respectively started electrical heating, after 15 minutes, measure the water temperature in each cyclic water tank, result see table.
| Heating container one | Heating container two | Heating container three | Heating container four | Control container | |
| Record water temperature | 86℃ | 85℃ | 89℃ | 92℃ | 70℃ |
Explanation：1st, unspecified experiment condition each group is consistent.
2nd, as can be seen from the above table, spontaneous heating material of the present invention is applied to heating system and has an obvious heating effect, and the material property of wherein example IV preparation is optimum.
Claims (4)
1. using fume afterheat production technique for fertilizer warm-air supply system it is characterised in that it is included with normal temperature air entrance and hot air outlet（6）Heat exchange columns（5）, described normal temperature air entrance is connected with air cleaner（1）；Heat exchange columns（5）Heat exchanger is inside installed（4）, heat exchanger（4）Arrival end and boiler（10）Exhaust opening communicate, the port of export is connected with deduster（9）, deduster（9）Smoke end be connected with air-introduced machine（8）；Described heat exchanger（4）It is fixed on heat exchange columns including root（5）On inwall and each there are some blocks of heat sinks of exhaust gases passes, interconnected by flue gas arm between the exhaust gases passes of adjacent heat radiation plate, the heat sink of bottom and boiler（10）Exhaust opening communicate, the heat sink of the top and fume pipe（7）Communicate.
2. utilization fume afterheat as claimed in claim 1 production technique for fertilizer warm-air supply system it is characterised in that：Heat exchange columns（5）It is provided with outer wall and clear up pipe correspondingly with described heat sink（3）, described cleaning pipe（3）Inner corresponding heat sink communicates, and outer end carries closing door.
3. utilization fume afterheat as claimed in claim 1 or 2 production technique for fertilizer warm-air supply system it is characterised in that：Described heat exchange columns（5）Tower wall carry for heat exchange columns inner air transmit heat hollow sandwich, there is in hollow sandwich spontaneous heating material；
Described spontaneous heating material is prepared from according to following steps：
1）, by macromolecular material and distilled water according to mass ratio 3～15:60～97 are added separately in reactor, are heated to 80～100 DEG C, and stir to being completely dissolved, obtain product A；
2）, by product A, electrolyte, foaming agent and iron powder according to mass ratio 5～15:1～10:1～10:Granulated after 65～93 mixing, obtained gel particle, referred to as product B；And,
By product A, metal powder, electrolyte and foaming agent according to mass ratio 5～15:65～93:1～10:Granulated after 1～10 mixing, obtained gel particle, referred to as products C；
3）, by product B and products C according to mass ratio 15～85:15～85 compatibilities, obtain spontaneous heating material；
Described macromolecular material is the two or more of one of polyacrylamide, sodium alginate and gelatin or arbitrary proportion；
Described electrolyte is the two or more of one of potassium chloride, sodium chloride, potassium sulfate and sodium sulphate or arbitrary proportion；
Described foaming agent is the two or more of one of neopelex, lauryl sodium sulfate and sorbitan fatty acid ester -20 or arbitrary proportion；
Described metal powder is the two or more of one of zinc powder, magnesium powder, manganese powder, copper powder, lead powder and lithium powder or arbitrary proportion.
4. composite fertilizer material dissolver as claimed in claim 3, is characterized in that：Step 2）In, the mass ratio between product A, electrolyte, foaming agent and iron powder is 5:1:10:65, the mass ratio between product A, metal powder, electrolyte and foaming agent is 15:65:10:10；Step 3）In, the mass ratio between product B and products C is 1:1.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610468663.5A CN106403280B (en) | 2016-06-25 | 2016-06-25 | Utilize hot-blast feed system of fertilizer production technology of flue gas waste heat |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610468663.5A CN106403280B (en) | 2016-06-25 | 2016-06-25 | Utilize hot-blast feed system of fertilizer production technology of flue gas waste heat |
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| CN106403280A true CN106403280A (en) | 2017-02-15 |
| CN106403280B CN106403280B (en) | 2021-09-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108968047A (en) * | 2018-07-25 | 2018-12-11 | 山东鑫蓝新能源科技有限公司 | A kind of meal replacement powder based food energy consumption system of cold, heat and electricity triple supply |
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| CN103644647A (en) * | 2013-11-06 | 2014-03-19 | 高密市万和车桥有限公司 | Hot water boiler |
| CN105444410A (en) * | 2015-12-28 | 2016-03-30 | 安徽泰格生物技术股份有限公司 | Biomass hot blast stove and application thereof |
| CN205747490U (en) * | 2016-06-25 | 2016-11-30 | 五洲丰农业科技有限公司 | Utilize the production technique for fertilizer warm-air supply system of fume afterheat |
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2016
- 2016-06-25 CN CN201610468663.5A patent/CN106403280B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1248898A (en) * | 1996-12-31 | 2000-03-29 | 普罗克特和甘保尔公司 | Disposable thermal neck wrap |
| EP1128151A1 (en) * | 2000-02-23 | 2001-08-29 | OKR Cleaning | Cleaning installation for removing soot |
| CN1945182A (en) * | 2006-10-30 | 2007-04-11 | 康秉荣 | Coal burning hot-blast stove |
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| CN105444410A (en) * | 2015-12-28 | 2016-03-30 | 安徽泰格生物技术股份有限公司 | Biomass hot blast stove and application thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108968047A (en) * | 2018-07-25 | 2018-12-11 | 山东鑫蓝新能源科技有限公司 | A kind of meal replacement powder based food energy consumption system of cold, heat and electricity triple supply |
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