CN204569883U - A kind of washing powder production waste heat recovery device - Google Patents
A kind of washing powder production waste heat recovery device Download PDFInfo
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- CN204569883U CN204569883U CN201520225177.1U CN201520225177U CN204569883U CN 204569883 U CN204569883 U CN 204569883U CN 201520225177 U CN201520225177 U CN 201520225177U CN 204569883 U CN204569883 U CN 204569883U
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- Prior art keywords
- washing powder
- waste heat
- tail gas
- slip
- heat recovery
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The utility model discloses a kind of washing powder production waste heat recovery device.This device comprises: the atomization drying shaped device of washing powder slip and tail gas waste heat recovery use apparatus; The atomization drying shaped device of described washing powder slip comprises slip high-pressure pump, burner blower, Coalhotairfurnace and spray tower; Described tail gas waste heat recovery use apparatus comprises tail gas tornado dust collector, exhaust fan and using waste heat from tail gas interchanger.The utility model is not when increasing exhaust fan and coal-fired combustion-supporting power of fan consumes, by the way utilizing spray tower using waste heat from tail gas to carry out heat hot wind furnace combustion air, hotblast stove combustion air is brought up to 40 DEG C ~ 50 DEG C from normal temperature, thus under the constant prerequisite of the total heat that hotblast stove is produced, reduce the consumption of fuel.
Description
Technical field
The utility model relates to a kind of washing powder production waste heat recovery device, belongs to washing powder production technical field, particularly relates to the production technique mode that a kind of spray tower using waste heat from tail gas is recycled.
Background technology
In order to adapt to the environmental protection development trend of daily chemical products, the production of washing powder product develops to the aspect of production process energy-conserving and environment-protective.
Drying of dusting is that requisite link produced by current washing powder.Slip high-pressure pump after aging filtration, is delivered to the pressure of 4.0MPa ~ 5.5MPa the tower top that dusts, then through nozzle, with vaporific Jet with downward flow direction.Hotblast stove produces hot blast and enter tower at the bottom of spray tower tower, upwards flows with contorted.Slip and hot blast adverse current are met, and slip droplet obtains drying through processes such as preheating, surface evaporation and internal divergence.The hollow bead shape original washing powder formed by slip drying is discharged at the bottom of tower, and dried tail gas is arranged from tower top is after tornado dust collector (or sack cleaner) dedusting.
Outer last person's gas main component is N
2, O
2, CO
2and water vapour, also containing micro-flue dust/dust, SO
2and NO
xdeng pollutent.Exhaust temperature, at about 100 DEG C, also has more heat transfer.In current washing powder production process, the waste heat in tail gas is not recycled, and directly arranges outward with tail gas.If can be recycled this part heat, the energy consumption that washing powder is produced will be lowered.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of washing powder production waste heat recovery device, when not increasing exhaust fan and coal-fired combustion-supporting power of fan consumes, by utilizing spray tower using waste heat from tail gas to carry out heat hot wind furnace combustion air, reach effect of energy-conserving and environment-protective.
A kind of washing powder production waste heat recovery device, it comprises: the atomization drying shaped device of washing powder slip and tail gas waste heat recovery use apparatus; The atomization drying shaped device of described washing powder slip comprises slip high-pressure pump, burner blower, Coalhotairfurnace and spray tower; Described tail gas waste heat recovery use apparatus comprises tail gas tornado dust collector, exhaust fan and using waste heat from tail gas interchanger;
Described slip high-pressure pump enters spray tower after being pressurizeed by the washing powder slip producing original washing powder; Described using waste heat from tail gas reclaims the coal stove combustion wind of interchanger direct heating by interchanger; Coalhotairfurnace combustion air by the waste-heat in spray tower tail gas to more than 40 DEG C, be blown in Coalhotairfurnace by heated coal furnace combustion air air by burner blower, Coalhotairfurnace sustained combustion produces washing powder spraying dry institute heat requirement, the dry required hot blast that dusts is drawn in spray tower by the exhaust fan of spray tower tower top, will spray into the washing powder slip drying and moulding in tower.
Washing powder production waste heat recovery device of the present utility model, described high pressure endless tube is evenly distributed with branched slurry atomization spray gun, from washing powder ingredients pot slip through the pressurization of slip high-pressure pump laggard enter in slip high compression ring pipe, and to be ejected in spray tower through atomizing lance.
Washing powder production waste heat recovery device of the present utility model, is provided with combustion air airduct in described burner blower.
Washing powder production waste heat recovery device of the present utility model, described high pressure endless tube is evenly distributed with twelve earthly branches slurry atomization spray gun or 24 slurry atomization spray guns.
Compared with prior art, the utility model tool has the following advantages and beneficial effect:
1) the utility model is not when increasing exhaust fan and coal-fired combustion-supporting power of fan consumes, by the way utilizing spray tower using waste heat from tail gas to carry out heat hot wind furnace combustion air, hotblast stove combustion air is brought up to 40 DEG C ~ 50 DEG C from normal temperature, thus under the constant prerequisite of the total heat that hotblast stove is produced, reduce the consumption of fuel.
2) delivered in hotblast stove by heated warm air by combustion air airduct, help the burning of fuel in hotblast stove; Combustion air airduct need be incubated, to reduce calorific loss; Compared with freezing air, the combustion air of heat adds the total heat of hot blast in hotblast stove, thus can reach the object reducing fuel consumption.
3) adjust with the system of production per hour 20 tons of washing powder, after adopting technique, (calculating by 5000Ka calorific value fire coal) capable of saving fuel per hour about 40kg.Factory adjusted by annual 300 day working days, and annual every covering device can coal-fired 280 tons; CO can be reduced simultaneously
2, SO
2and NO
xdeng the discharge of pollutent, there is significant energy-saving and cost-reducing and environment protection significance.
Accompanying drawing explanation
Fig. 1 is the device structure sketch of washing powder production waste heat recovery device of the present utility model.
Fig. 2 is the atomizing lance structural representation on slip high pressure endless tube.
Fig. 3 is the FB(flow block) of washing powder production heat recovery technique.
1: slip high-pressure pump 2: spray tower
3: atomizing lance 4: tail gas tornado dust collector
5: exhaust fan 6: using waste heat from tail gas interchanger
7: burner blower 8: Coalhotairfurnace
9: discharging belt conveyer 10 at the bottom of tower: air lift load hopper
Embodiment
By reference to the accompanying drawings a kind of production technique of washing powder production heat recovery is described in further detail below by specific embodiment, but the utility model is not limited in following embodiment.
A kind of washing powder production heat recovery technique, comprises washing powder using waste heat from tail gas way of recycling; And after using waste heat from tail gas recovery, the Land use systems in the coal furnace coal-fired process that washing powder is produced.Described waste heat comes from spray tower tail gas; Spray tower tail gas is heated ozone by interchanger; The combustion air of Coalhotairfurnace is used for by the fresh hot air after spray tower tail gas heating; The hot blast that Coalhotairfurnace produces is for drying the pressurized washing powder slip be atomised in spray tower; The hot blast of drying after atomization slip is extracted out from tower top by exhaust fan in tail gas mode.
Following specific embodiment is introduced the shaping and using waste heat from tail gas of the atomization drying of washing powder slip respectively and is recycled production technique and device.
Embodiment 1
Refer to shown in Fig. 1-3, the slip from washing powder ingredients pot pressurizes through slip high-pressure pump 1, enters in slip high pressure endless tube, and twelve earthly branches spray gun 3 atomised jet on distribution slip high compression ring pipe is in spray tower 2.The hot blast that Coalhotairfurnace 8 produces is drawn in spray tower 2 through exhaust fan 5.In spray tower 2, atomization slip falls downwards and meets with the hot blast upwards of the adverse current from Coalhotairfurnace 8, and atomization slip is dried into washing powder original washing powder.The temperature of described washing powder slip about 40 DEG C ~ 60 DEG C, delivers in spray tower high-pressure slurry endless tube through slip high-pressure pump with the exert pressure of 4.0 ~ 5.0MPa, enters in spray tower through the twelve earthly branches slurry atomization spray gun atomised jet be evenly distributed on high pressure endless tube.Original washing powder discharging belt conveyer 9 at the bottom of tower delivers to air lift load hopper 10, through air lift, after the operation such as to join, form washing powder product.
From the tail gas of the tower top sucking-off of spray tower 2 after tornado dust collector 4 dedusting, be blown into using waste heat from tail gas interchanger 6 by exhaust fan 5.Tail gas main component is N
2, O
2, CO
2and water vapour, also containing micro-flue dust/dust, SO
2and NO
xdeng pollutent.Exhaust temperature, at about 100 DEG C, also has more heat transfer; Tail gas, before entering heat recovering heat exchanger 6, needs first through fly-ash separator 4 dedusting; The washing powder fine powder reclaimed enters in spray tower 2 and mixes with the atomization slip fallen in tower in drying, sends with original washing powder.
In using waste heat from tail gas interchanger 6, Coalhotairfurnace 8 combustion air is heated to 40 ~ 50 DEG C by normal temperature, and enters air after using waste heat from tail gas interchanger 6 heat exchange.In described afterheat heat exchanger 6, self-stripping unit (not shown) is installed.
Freezing air, by after the tube side of using waste heat from tail gas interchanger 6, is heated to 40 DEG C ~ 50 DEG C.Delivered in Coalhotairfurnace 8 through burner blower 7 (being provided with combustion air airduct in burner blower 7) as combustion air by the air heated, combustion-supporting effect is played to the fuel in Coalhotairfurnace 8.Coalhotairfurnace 8 burner blower operation process produces negative pressure, is drawn into by combustion air in spray tower exhaust waste heat recovery device.
In waste-heat recovery device, coal furnace combustion air by the waste-heat in spray tower 2 tail gas to more than 40 DEG C.Be blown in Coalhotairfurnace 8 by heated coal furnace combustion air air by burner blower 7, Coalhotairfurnace 8 sustained combustion produces washing powder spraying dry institute heat requirement; The dry required hot blast that dusts is drawn in spray tower 2 by the exhaust fan 5 of tower top, will spray into the washing powder slip drying and moulding in tower.
With use normal temperature freezing air as compared with combustion air, use the air that heated by using waste heat from tail gas interchanger 6 as combustion air consumption capable of saving fuel.The utility model is adjusted with the system of production per hour 16 tons of washing powder, after adopting technique, and (calculating by 5000Ka calorific value fire coal) capable of saving fuel per hour about 32kg.
Factory adjusted by annual 300 day working days, and annual every covering device can save coal-fired 230 tons; CO can be reduced simultaneously
2, SO
2and NO
xdeng the discharge of pollutent, there is significant energy-saving and cost-reducing and environment protection significance.
Embodiment 2
Refer to shown in Fig. 1 and Fig. 3, the slip from washing powder ingredients pot pressurizes through slip high-pressure pump 1, enters in slip high pressure endless tube, and 24 spray gun atomised jets on distribution slip high compression ring pipe are in spray tower 2.The hot blast that Coalhotairfurnace 8 produces is drawn in spray tower 2 through exhaust fan 5.In spray tower 2, atomization slip falls downwards and meets with the hot blast upwards of the adverse current from Coalhotairfurnace 8, and atomization slip is dried into washing powder original washing powder.The temperature of described washing powder slip about 60 DEG C ~ 80 DEG C, deliver in spray tower high-pressure slurry endless tube through slip high-pressure pump with the exert pressure of 5.0 ~ 5.5MPa, 24 slurry atomization spray guns (each one deck up and down, every layer of twelve earthly branches) atomised jet through being evenly distributed on high pressure endless tube enters in spray tower.Original washing powder is delivered to after air lift load hopper 10 through discharging belt conveyer at the bottom of tower 9, through air lift, after the operation such as to join, form washing powder product.
From the tail gas of the tower top sucking-off of spray tower 2 after tornado dust collector 4 dedusting, be blown into using waste heat from tail gas interchanger 6 by exhaust fan 5.Tail gas main component is N
2, O
2, CO
2and water vapour, also containing micro-flue dust/dust, SO
2and NO
xdeng pollutent.Exhaust temperature, at about 100 DEG C, also has more heat transfer; Tail gas, before entering heat recovering heat exchanger 6, needs first through fly-ash separator 4 dedusting; The washing powder fine powder reclaimed enters in spray tower 2 and mixes with the atomization slip fallen in tower in drying, sends with original washing powder.
In using waste heat from tail gas interchanger 6, Coalhotairfurnace 8 combustion air is heated to 40 ~ 50 DEG C by normal temperature, and enters air after using waste heat from tail gas interchanger 6 heat exchange.In described afterheat heat exchanger 6, self-stripping unit (not shown) is installed.
Freezing air, by after the tube side of using waste heat from tail gas interchanger 6, is heated to 40 DEG C ~ 50 DEG C.Delivered in Coalhotairfurnace 8 through burner blower 7 (being provided with combustion air airduct in burner blower 7) as combustion air by the air heated, combustion-supporting effect is played to the fuel in Coalhotairfurnace 8.Coalhotairfurnace 8 burner blower operation process produces negative pressure, is drawn into by combustion air in spray tower exhaust waste heat recovery device.
In waste-heat recovery device, coal furnace combustion air by the waste-heat in spray tower 2 tail gas to more than 40 DEG C.Be blown in Coalhotairfurnace 8 by heated coal furnace combustion air air by burner blower 7, Coalhotairfurnace 8 sustained combustion produces washing powder spraying dry institute heat requirement; The dry required hot blast that dusts is drawn in spray tower 2 by the exhaust fan 5 of tower top, will spray into the washing powder slip drying and moulding in tower.
With use normal temperature freezing air as compared with combustion air, use the air that heated by using waste heat from tail gas interchanger 6 as combustion air consumption capable of saving fuel.The utility model is adjusted with the system of production per hour 26 tons of washing powder, after adopting technique, and (calculating by 5000Ka calorific value fire coal) capable of saving fuel per hour about 52kg.
Factory adjusted by annual 300 day working days, and annual every covering device can save coal-fired 370 tons; CO can be reduced simultaneously
2, SO
2and NO
xdeng the discharge of pollutent, there is significant energy-saving and cost-reducing and environment protection significance.
The above is only preferred embodiment of the present utility model, not does any pro forma restriction to the utility model.Therefore everyly not departing from technical solutions of the utility model content, any simple modification done above embodiment according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (4)
1. a washing powder production waste heat recovery device, is characterized in that it comprises: the atomization drying shaped device of washing powder slip and tail gas waste heat recovery use apparatus; The atomization drying shaped device of described washing powder slip comprises slip high-pressure pump, burner blower, Coalhotairfurnace and spray tower; Described tail gas waste heat recovery use apparatus comprises tail gas tornado dust collector, exhaust fan and using waste heat from tail gas interchanger;
Described slip high-pressure pump enters spray tower after being pressurizeed by the washing powder slip producing original washing powder; Described using waste heat from tail gas reclaims the coal stove combustion wind of interchanger direct heating by interchanger; Coalhotairfurnace combustion air by the waste-heat in spray tower tail gas to more than 40 DEG C, be blown in Coalhotairfurnace by heated coal furnace combustion air air by burner blower, Coalhotairfurnace sustained combustion produces washing powder spraying dry institute heat requirement, the dry required hot blast that dusts is drawn in spray tower by the exhaust fan of spray tower tower top, will spray into the washing powder slip drying and moulding in tower.
2. washing powder production waste heat recovery device according to claim 1, it is characterized in that: described high pressure endless tube is and is distributed with branched slurry atomization spray gun, from washing powder ingredients pot slip through the pressurization of slip high-pressure pump laggard enter in slip high compression ring pipe, and to be ejected in spray tower through atomizing lance.
3. washing powder production waste heat recovery device according to claim 1, is characterized in that: be provided with combustion air airduct in described burner blower.
4. washing powder production waste heat recovery device according to claim 1, is characterized in that: described high pressure endless tube is evenly distributed with twelve earthly branches slurry atomization spray gun or 24 slurry atomization spray guns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520225177.1U CN204569883U (en) | 2015-04-14 | 2015-04-14 | A kind of washing powder production waste heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520225177.1U CN204569883U (en) | 2015-04-14 | 2015-04-14 | A kind of washing powder production waste heat recovery device |
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| Publication Number | Publication Date |
|---|---|
| CN204569883U true CN204569883U (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520225177.1U Active CN204569883U (en) | 2015-04-14 | 2015-04-14 | A kind of washing powder production waste heat recovery device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107189889A (en) * | 2017-07-10 | 2017-09-22 | 贵州南风日化有限公司 | A kind of washing powder spray drying tower tail gas waste heat recovery use apparatus |
-
2015
- 2015-04-14 CN CN201520225177.1U patent/CN204569883U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107189889A (en) * | 2017-07-10 | 2017-09-22 | 贵州南风日化有限公司 | A kind of washing powder spray drying tower tail gas waste heat recovery use apparatus |
| CN107189889B (en) * | 2017-07-10 | 2023-04-14 | 贵州南风日化有限公司 | Washing powder spray drying tower tail gas waste heat recovery utilizes device |
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| GR01 | Patent grant |