CN106403280B - Utilize hot-blast feed system of fertilizer production technology of flue gas waste heat - Google Patents
Utilize hot-blast feed system of fertilizer production technology of flue gas waste heat Download PDFInfo
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- CN106403280B CN106403280B CN201610468663.5A CN201610468663A CN106403280B CN 106403280 B CN106403280 B CN 106403280B CN 201610468663 A CN201610468663 A CN 201610468663A CN 106403280 B CN106403280 B CN 106403280B
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 239000003546 flue gas Substances 0.000 title claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 239000003337 fertilizer Substances 0.000 title claims abstract description 15
- 239000002918 waste heat Substances 0.000 title claims abstract description 11
- 238000005516 engineering process Methods 0.000 title description 3
- 238000010438 heat treatment Methods 0.000 claims abstract description 56
- 239000000779 smoke Substances 0.000 claims abstract description 12
- 239000000428 dust Substances 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 36
- 230000017525 heat dissipation Effects 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 13
- 239000012153 distilled water Substances 0.000 claims description 13
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 12
- 239000003792 electrolyte Substances 0.000 claims description 12
- 239000004088 foaming agent Substances 0.000 claims description 12
- 239000007863 gel particle Substances 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 239000011229 interlayer Substances 0.000 claims description 8
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 6
- 229920002401 polyacrylamide Polymers 0.000 claims description 6
- 239000002861 polymer material Substances 0.000 claims description 6
- 239000001103 potassium chloride Substances 0.000 claims description 6
- 235000011164 potassium chloride Nutrition 0.000 claims description 6
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims description 4
- 108010010803 Gelatin Proteins 0.000 claims description 4
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 4
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 4
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 4
- 239000000194 fatty acid Substances 0.000 claims description 4
- 229930195729 fatty acid Natural products 0.000 claims description 4
- 239000008273 gelatin Substances 0.000 claims description 4
- 229920000159 gelatin Polymers 0.000 claims description 4
- 235000019322 gelatine Nutrition 0.000 claims description 4
- 235000011852 gelatine desserts Nutrition 0.000 claims description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 4
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 claims description 4
- 229910052939 potassium sulfate Inorganic materials 0.000 claims description 4
- 235000011151 potassium sulphates Nutrition 0.000 claims description 4
- 235000010413 sodium alginate Nutrition 0.000 claims description 4
- 239000000661 sodium alginate Substances 0.000 claims description 4
- 229940005550 sodium alginate Drugs 0.000 claims description 4
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 4
- 235000011152 sodium sulphate Nutrition 0.000 claims description 4
- -1 sorbitan fatty acid Chemical class 0.000 claims description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052744 lithium Inorganic materials 0.000 claims description 2
- 239000011780 sodium chloride Substances 0.000 claims description 2
- 235000002639 sodium chloride Nutrition 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 238000001035 drying Methods 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 239000000499 gel Substances 0.000 description 11
- 238000001816 cooling Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Fertilizers (AREA)
Abstract
The invention relates to a hot air supply system for a fertilizer production process by utilizing flue gas waste heat, which comprises a heat exchange tower with a normal-temperature air inlet and a hot air outlet, wherein the normal-temperature air inlet is connected with an air filter; the heat exchanger is arranged in the heat exchange tower, the inlet end of the heat exchanger is communicated with the smoke outlet of the boiler, the outlet end of the heat exchanger is connected with a dust remover, and the smoke outlet end of the dust remover is connected with an induced draft fan. The system makes full use of the heat energy of the high-temperature flue gas generated by boiler combustion, transfers the heat energy to the air in a heat exchange mode, and the hot air is used for drying and heating the fertilizer production process. Has the outstanding effects of saving energy and reducing production cost.
Description
Technical Field
The invention relates to a hot air supply system, in particular to a hot air supply system for a fertilizer production process by using flue gas waste heat.
Background
The fertilizer production process can not be heated by hot air, for example, the processes of raw material reaction heating, particle drying and the like all need the hot air heating. At present, fertilizer production enterprises generally adopt a mode of electrically heating air to improve the temperature of the air to prepare hot air. The main disadvantage of this approach is the high energy consumption, which in turn leads to increased operating costs for the enterprise.
Disclosure of Invention
The invention aims to solve the technical problem of providing a hot air supply system for a fertilizer production process by using flue gas waste heat, firstly, hot air is prepared by using boiler flue gas heat for the fertilizer production process, and the aim of saving energy is fulfilled; secondly, a heating mode combining high-temperature flue gas and self-heating materials is adopted, boiler waste heat and chemical energy are comprehensively utilized, and the energy-saving effect is further improved.
The technical scheme of the invention is as follows:
the hot air supply system for the fertilizer production process by using the waste heat of the flue gas is characterized by comprising a heat exchange tower with a normal-temperature air inlet and a hot air outlet, wherein the normal-temperature air inlet is connected with an air filter; a heat exchanger is arranged in the heat exchange tower, the inlet end of the heat exchanger is communicated with the smoke outlet of the boiler, the outlet end of the heat exchanger is connected with a dust remover, and the smoke outlet end of the dust remover is connected with an induced draft fan; the heat exchanger comprises a plurality of heat dissipation plates, the roots of the heat dissipation plates are fixed on the inner wall of the heat exchange tower, the heat dissipation plates are respectively provided with a flue gas channel, the flue gas channels of adjacent heat dissipation plates are mutually communicated through flue gas branch pipes, the heat dissipation plate at the lowermost end is communicated with a smoke outlet of the boiler, and the heat dissipation plate at the uppermost end is communicated with a flue gas pipe.
The outer wall of the heat exchange tower is provided with cleaning pipes which correspond to the heat dissipation plates one to one, the inner ends of the cleaning pipes are communicated with the corresponding heat dissipation plates, and the outer ends of the cleaning pipes are provided with closed doors.
The tower wall of the heat exchange tower (5) is provided with a hollow interlayer for transferring heat to air inside the heat exchange tower, and the hollow interlayer is internally provided with a self-heating material;
the self-heating material is prepared by the following steps:
1) respectively adding a high polymer material and distilled water into a reaction kettle according to the mass ratio of 3-15: 60-97, heating to 80-100 ℃, and stirring until the high polymer material and the distilled water are completely dissolved to obtain a product A;
2) mixing the product A, an electrolyte, a foaming agent and iron powder according to a mass ratio of 5-15: 1-10: 65-93, and then granulating to obtain gel particles, namely a product B; and the number of the first and second electrodes,
mixing the product A, metal powder, electrolyte and foaming agent according to the mass ratio of 5-15: 65-93: 1-10, and then granulating to obtain gel particles, namely product C;
3) the product B and the product C are combined according to the mass ratio of 15-85: 15-85 to obtain a self-heating material;
the high polymer material is one or more than two of polyacrylamide, sodium alginate and gelatin in any proportion;
the electrolyte is one or more than two of potassium chloride, sodium chloride, potassium sulfate and sodium sulfate in any proportion;
The foaming agent is one or more than two of sodium dodecyl benzene sulfonate, sodium dodecyl sulfate and sorbitan fatty acid ester-20 in any proportion;
the metal powder is one or more than two of zinc powder, magnesium powder, manganese powder, copper powder, lead powder and lithium powder in any proportion.
Preferably, in the step 2), the mass ratio of the product A, the electrolyte, the foaming agent and the iron powder is 5:1:10:65, and the mass ratio of the product A, the metal powder, the electrolyte and the foaming agent is 15:65:10: 10; in the step 3), the mass ratio of the product B to the product C is 1: 1.
The invention has the positive effects that:
firstly, this system make full use of the heat energy of the high temperature flue gas that the boiler burning produced, give the air with heat energy transfer through the heat exchange mode, the hot-air is used for the stoving and the heating of fertilizer production technology. Has the outstanding effects of saving energy and reducing production cost. The heat exchanger main body is a plate type radiating fin, and the outer end of each plate type radiating fin is provided with a cleaning pipe, so that the heat exchanger is convenient to clean.
Secondly, the invention adopts a heating mode of combining high-temperature flue gas and self-heating material heating, comprehensively utilizes the waste heat and chemical energy of the boiler, and has more excellent energy-saving effect. In addition, the heating material is prepared into two independent component particles, so that the heating material is convenient to store independently, and the loss of the material caused by the mutual reaction of related components can be avoided; according to the invention, the foaming agent is added into the heating material, when the material in the jacket is heated by steam to reach a certain temperature, the foaming agent generates bubbles, the bubbles increase the disintegration speed of the gel, so that the gel is rapidly in a liquid state, and moisture, iron powder, metal powder and electrolyte in the gel are released; the contact area of moisture, iron powder, metal powder and electrolyte is increased by the bubbles, so that the aim of quick heating is fulfilled; the heating material controls reaction heat through the gel, when the temperature rises, moisture is released from the gel, the resistance of the fluidity of the gel to electrons is reduced, and the requirement of quick heating can be met. When the self-heating material stops working, the temperature is reduced, the gel mobility is reduced, the resistance to electrons is increased, the consumption of iron powder or metal powder can be reduced, and the service life of the self-heating material is prolonged.
Drawings
Fig. 1 is a schematic diagram of the structure and working principle of the present invention.
Detailed Description
The invention is further illustrated by the following figures and examples.
Referring to fig. 1, the embodiment of the present invention includes a heat exchange tower 5 having a normal temperature air inlet on one side and a hot air outlet 6 on the top, the normal temperature air inlet being connected to an air filter 1 through an air supply pipe 2. Normal temperature air enters the heat exchange tower through the normal temperature air inlet after being filtered by the air filter 1 to participate in heat exchange, and high temperature air is discharged out of the system through the hot air outlet 6 to be used for drying and heating in the fertilizer production process.
A heat exchanger 4 is installed in the heat exchange tower 5, the inlet end of the heat exchanger 4 is communicated with the smoke exhaust port of a boiler 10, the outlet end of the heat exchanger 4 is connected with a dust remover 9 through a smoke pipe 7, and the smoke outlet end of the dust remover 9 is connected with an induced draft fan 8 through an air pipe. Under the action of the draught fan 8, high-temperature flue gas discharged by the boiler flows through the heat exchanger 4 to participate in heat exchange, heat is transferred to air in the heat exchange tower, then the high-temperature flue gas enters the dust remover 9 through the flue gas pipe 7, and the high-temperature flue gas is discharged out of the system after dust is removed.
The heat exchanger 4 comprises a plurality of heat dissipation plates, the roots of the heat dissipation plates are fixed on the inner wall of the heat exchange tower 5, the heat dissipation plates are respectively provided with a flue gas channel, the flue gas channels of the adjacent heat dissipation plates are mutually communicated through flue gas branch pipes, the heat dissipation plate at the lowermost end is communicated with a smoke outlet of the boiler 10, and the heat dissipation plate at the uppermost end is communicated with a flue gas pipe 7. The outer surface of the heat dissipation plate is provided with fins so as to improve the heat exchange area.
The outer wall of the heat exchange tower 5 is provided with cleaning pipes 3 which are in one-to-one correspondence with the heat dissipation plates, the inner ends of the cleaning pipes 3 are communicated with the corresponding heat dissipation plates, and the outer ends of the cleaning pipes are provided with sealing doors. After a period of time, the closed door is opened to clean the inner wall of the corresponding heat dissipation plate.
In order to further improve the energy-saving effect, the tower wall of the heat exchange tower 5 is provided with a hollow interlayer for transferring heat to the air inside the heat exchange tower, and the hollow interlayer is provided with a self-heating material.
The hollow interlayer is provided with a heating material filling nozzle and a heating material discharging nozzle. And adding the self-heating material into the hollow interlayer through a heating material filling nozzle. When the self-heating material needs to be replaced, the heating material discharging nozzle is opened to discharge.
The following are preparation examples and experimental effects of the self-heating material according to the present invention.
Example one
1) Adding polyacrylamide and distilled water into a container according to the mass ratio of 8:92, heating to 94 ℃, stirring until the polyacrylamide and the distilled water are completely dissolved, and cooling to gel to obtain a product A;
2) mixing the product A, potassium chloride, sodium dodecyl benzene sulfonate and iron powder according to the mass ratio of 10:6:5:80, and then granulating to obtain gel particles, namely a product B; and the number of the first and second electrodes,
mixing the product A, zinc powder, potassium chloride and sodium dodecyl benzene sulfonate according to the mass ratio of 10:80:6:6, and then granulating to obtain gel particles, namely a product C;
3) When the self-heating material is used, the product B and the product C are mixed according to the mass ratio of 1:1 to obtain the self-heating material.
Example two
1) Adding sodium alginate and distilled water into a container according to the mass ratio of 3:97, heating to 80 ℃, stirring until the sodium alginate and the distilled water are completely dissolved, and cooling to gel to obtain a product A;
2) mixing the product A, potassium sulfate, sodium dodecyl sulfate and iron powder according to the mass ratio of 5:1:10: 93, and then granulating to obtain gel particles, namely a product B; and the number of the first and second electrodes,
mixing the product A, magnesium powder, potassium sulfate and sodium dodecyl sulfate according to the mass ratio of 15:65: 10:1, and then granulating to obtain gel particles, namely a product C;
3) when the self-heating material is used, the product B and the product C are combined according to the mass ratio of 15:85 to obtain the self-heating material.
EXAMPLE III
1) Adding gelatin and distilled water into a container according to the mass ratio of 15:60, heating to 98 ℃, stirring until the gelatin and the distilled water are completely dissolved, and cooling to gel to obtain a product A;
2) mixing the product A, sodium sulfate, sorbitan fatty acid ester-20 and iron powder according to the mass ratio of 15:10:1:65, and then granulating to obtain gel particles, namely a product B; and the number of the first and second electrodes,
mixing the product A, lead powder, sodium sulfate and sorbitan fatty acid ester-20 according to the mass ratio of 5: 93:1:10, and then granulating to obtain gel particles, namely product C;
3) When the self-heating material is used, the product B and the product C are combined according to the mass ratio of 85:15 to obtain the self-heating material.
Example four
1) Adding polyacrylamide and distilled water into a container according to the mass ratio of 8:92, heating to 94 ℃, stirring until the polyacrylamide and the distilled water are completely dissolved, and cooling to gel to obtain a product A;
2) mixing the product A, potassium chloride, sodium dodecyl benzene sulfonate and iron powder according to the mass ratio of 5:1:10:65, and then granulating to obtain gel particles, namely a product B; and the number of the first and second electrodes,
mixing the product A, lead powder, potassium chloride and sodium dodecyl benzene sulfonate according to a mass ratio of 15:65:10:10, and then granulating to obtain gel particles, namely product C;
3) when the self-heating material is used, the product B and the product C are mixed according to the mass ratio of 1:1 to obtain the self-heating material.
The fineness of the iron powder and the metal powder used in the invention is 100-200 meshes.
The effect of the self-heating material of the invention is further illustrated by combining experimental data as follows:
the self-heating materials prepared according to examples one to four of the present invention were filled in respective sealed containers to form heat-generating containers one to four, and distilled water was filled in the sealed containers to form control containers.
The above five containers were respectively installed in five circulating water tanks each having an electric heating pipe, electric heating was respectively started, and the water temperature in each circulating water tank was measured after 15 minutes, and the results are shown in the following table.
| Heating container 1 | Heating container 2 | Heating container III | Heating container four | Comparison container | |
| Measure the water temperature | 86℃ | 85℃ | 89℃ | 92℃ | 70℃ |
Description of the drawings: 1. unspecified experimental conditions were consistent across groups.
2. As can be seen from the above table, the self-heating material of the present invention has a significant heating effect when applied to a heating system, wherein the material prepared in example four has the best performance.
Claims (3)
1. The hot air supply system for the fertilizer production process by using the waste heat of the flue gas is characterized by comprising a heat exchange tower (5) with a normal-temperature air inlet and a hot air outlet (6), wherein the normal-temperature air inlet is connected with an air filter (1); a heat exchanger (4) is installed in the heat exchange tower (5), the inlet end of the heat exchanger (4) is communicated with the smoke outlet of a boiler (10), the outlet end of the heat exchanger is connected with a dust remover (9), and the smoke outlet end of the dust remover (9) is connected with an induced draft fan (8); the heat exchanger (4) comprises a plurality of heat dissipation plates, the roots of the heat dissipation plates are fixed on the inner wall of the heat exchange tower (5) and are respectively provided with a flue gas channel, the flue gas channels of adjacent heat dissipation plates are mutually communicated through flue gas branch pipes, the heat dissipation plate at the lowest end is communicated with a smoke outlet of the boiler (10), and the heat dissipation plate at the highest end is communicated with a flue gas pipe (7);
the tower wall of the heat exchange tower (5) is provided with a hollow interlayer for transferring heat to air inside the heat exchange tower, and the hollow interlayer is internally provided with a self-heating material;
The self-heating material is prepared by the following steps:
1) respectively adding a high polymer material and distilled water into a reaction kettle according to the mass ratio of 3-15: 60-97, heating to 80-100 ℃, and stirring until the high polymer material and the distilled water are completely dissolved to obtain a product A;
2) mixing the product A, an electrolyte, a foaming agent and iron powder according to a mass ratio of 5-15: 1-10: 65-93, and then granulating to obtain gel particles, namely a product B; and the number of the first and second electrodes,
mixing the product A, metal powder, electrolyte and foaming agent according to the mass ratio of 5-15: 65-93: 1-10, and then granulating to obtain gel particles, namely product C;
3) the product B and the product C are combined according to the mass ratio of 15-85: 15-85 to obtain a self-heating material;
the high polymer material is one or more than two of polyacrylamide, sodium alginate and gelatin in any proportion;
the electrolyte is one or more than two of potassium chloride, sodium chloride, potassium sulfate and sodium sulfate in any proportion;
the foaming agent is one or more than two of sodium dodecyl benzene sulfonate, sodium dodecyl sulfate and sorbitan fatty acid ester-20 in any proportion;
the metal powder is one or more than two of zinc powder, magnesium powder, manganese powder, copper powder, lead powder and lithium powder in any proportion.
2. The fertilizer production process hot air supply system utilizing flue gas waste heat according to claim 1, characterized in that: the outer wall of the heat exchange tower (5) is provided with cleaning pipes (3) which correspond to the heat dissipation plates one by one, the inner ends of the cleaning pipes (3) are communicated with the corresponding heat dissipation plates, and the outer ends of the cleaning pipes are provided with closed doors.
3. The fertilizer production process hot air supply system utilizing flue gas waste heat according to claim 1, characterized in that: in the step 2), the mass ratio of the product A, the electrolyte, the foaming agent and the iron powder is 5:1:10:65, and the mass ratio of the product A, the metal powder, the electrolyte and the foaming agent is 15:65:10: 10; in the step 3), the mass ratio of the product B to the product C is 1: 1.
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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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| 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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| CN106403280B true CN106403280B (en) | 2021-09-28 |
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| CN108968047B (en) * | 2018-07-25 | 2023-09-19 | 山东鑫蓝新能源科技有限公司 | Cold, heat and electricity triple supply meal replacement powder food energy system |
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| 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 |
-
2016
- 2016-06-25 CN CN201610468663.5A patent/CN106403280B/en active Active
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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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| CN103644647A (en) * | 2013-11-06 | 2014-03-19 | 高密市万和车桥有限公司 | Hot water boiler |
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