CN102168857A - High-concentration saliferous organic waste liquid incinerator and incineration technique - Google Patents
High-concentration saliferous organic waste liquid incinerator and incineration technique Download PDFInfo
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Abstract
The invention discloses a high-concentration saliferous organic waste liquid incinerator and an incineration technique, which belongs to the processing field of organic waste liquid. The high-concentration saliferous organic waste liquid incinerator comprises a horizontal furnace, a vertical furnace, an afterheat boiler, and a draught fan. The furnace end of the horizontal furnace is provided with a waste liquid burner, a coaxial burner, and a tangential burner. The furnace end of the horizontal furnace is also provided with a cyclone separator, an air preheater and the like. A retaining wall and a cooling air system are arranged in the vertical furnace; the stability and pressure of each stage are controlled by the incineration technique; a low-heating value liquid carrier atomizing burning technology is used by the high-concentration saliferous organic waste liquid incinerator and incineration technique, and has excellent processing effects for high-concentration saliferous organic waste liquid, high-concentration saliferous organic waste water, waste oil and the like. The processing capacity is more than 2.0 tons per hour; the waste liquids can be completely burnt; the continuous running period is more than 30 days; the consumption of natural gas is less than 60 cubic meters for each ton of waste liquid; and the heat recycling volume of each ton of waste liquid is more than 2.5 tons; therefore, the resources are effectively and circularly utilized.
Description
Technical field
The present invention relates to a kind of waste liquor treatment equipment and technology, particularly a kind of liquid waste incineration equipment and technology.
Background technology
High concentration saliferous organic liquid waste extensively is present in new varieties agricultural chemicals and the pharmaceutical manufacturing device, owing to contain the material of part contaminated environment, and discharging and can not directly discharging again after need handling.
Processing mode commonly used at present is for burning.The characteristics of high concentration saliferous organic liquid waste are that the waste liquid calorific value is lower, be generally 10000kj/kg, difficulty is decomposed in completing combustion, requiring incineration temperature is the reaction decomposes time that 1200-1350 ℃ and requirement were not less than in the high-temperature region maintenance 3 seconds, simultaneously, inorganic salts in the waste liquid are not flammable, may be deposited in the stove and on the exchanger tube wall and stop up flue gas flow channel, influence device and produce continuously.
High concentration saliferous organic liquid waste is the bottleneck that restriction new varieties agricultural chemicals and pharmaceutical manufacturing device continue production.The general burning disposal equipment that adopts is to link to each other successively with lower member at present: incinerator (comprising horizontal chamber furnace (oven), vertical heater I and vertical heater II successively)+fire tube waste heat boiler+air-introduced machine+scrubbing tower+chimney, its treatment process is: along the axial hydrojet of horizontal chamber furnace (oven), along vertical heater I bottom hydrojet, adopt flue gas to walk in the pipe and water is walked the mode outside the pipe along vertical heater II top hydrojet, fire tube waste heat boiler, air-introduced machine is introduced scrubbing tower with flue gas and is carried out desulfurization, discharges by chimney then.The characteristics of present this mode are to carry out the burning of multiple spot hydrojet at each position of incinerator, the treating capacity of each burner is less, all less than 0.4t/h, throughput is less than 1.2t/h, and whole incinerator is a direct current channel, makes that the high-temperature flue gas time of staying is less, simultaneously because each position temperature difference of incinerator is big, so vertical heater I and the common ignition temperature of vertical heater II are lower than 1100 ℃, and the time of staying is short, and the organic matter reaction is not thorough.And adopt the fire tube waste heat boiler heating surface to adopt flue gas to walk in the pipe and water is walked the outer mode of pipe, and make the easy blocking pipe of the flue gas that contains inorganic salts, make the package unit steady and continuous cycle of operation be no more than 7 days; Gas consumption reaches 100 m
3/ ton waste liquid, the energy recovery amount of waste liquid per ton is greater than 1.5 tons.
Summary of the invention
Goal of the invention of the present invention is: at the problem of above-mentioned existence, provide that a kind of disposal ability is big, incineration of liquor fully, less energy consumption, high concentration saliferous organic waste liquid burning device and technology that energy recovery is high.
The technical solution used in the present invention is such: a kind of high concentration saliferous organic waste liquid burning device, comprise incinerator, waste heat boiler and air-introduced machine, described incinerator comprises horizontal chamber furnace (oven) and vertical heater successively, the burner of described horizontal chamber furnace (oven) is respectively equipped with waste-liquor burner, axial burner and tangential-firing burner, thereby adopt malleation swirl flow combustion mode, horizontal chamber furnace (oven) high temperature burning zone temperature can reach 1200-1350 ℃ during operation.
As preferably: also be provided with cyclone separator between waste heat boiler and air-introduced machine, effect is the inorganic salts dust that further divides in the separable flue gas.
As further preferred: between waste heat boiler and cyclone separator, also be provided with air preheater, air preheater also links to each other with waste-liquor burner, axial burner and tangential-firing burner respectively, high-temperature hot air is guided to 3 burners of horizontal chamber furnace (oven), thereby guarantee efficient, the stable burning of high concentrated organic waste liquid.
As further preferred: air preheater is provided with steam blowing equipment, can carry out timing and purge, and the cyclone separator that the inorganic salts dust that is deposited in the pipe is delivered to is thereafter got rid of, thereby the heat exchange efficiency and the system that guarantee air preheater is unobstructed.
As preferably: be provided with barricade in the described vertical heater, make high-temperature flue gas produce baffling, decompose the required time to guarantee high concentration saliferous organic liquid waste.
As further preferred: described vertical heater is provided with the cooling air system.
As further preferred: also be provided with air blast, described air blast links to each other with the cooling air system with air preheater respectively.
As further preferred: described waste heat boiler is a horizontal tubular boiler, and the waste heat boiler bottom is provided with ash-valve, gets rid of the inorganic salts that are deposited in the stove during operation.
As further preferred: described waste heat boiler both sides respectively are provided with a manhole door, so that cleaning boiler tube and slag during blowing out.
The technology that high concentration saliferous organic waste liquid burning device is adopted when using may further comprise the steps:
1. open air blast, air-introduced machine, drop into axial burner, tangential-firing burner, make the incinerator temperature reach 1000 ℃, drop into waste-liquor burner then, make horizontal chamber furnace (oven) high temperature burning zone temperature reach 1200-1350 ℃;
2. adjust the wind-force size of the cooling air system of vertical heater, make flue gas be no more than 1100 ℃ in the temperature of waste heat boiler import;
3. flue gas is after by waste heat boiler and air preheater, temperature is reduced to 260 ℃-320 ℃, the air themperature of preheating simultaneously is elevated to 280 ℃-330 ℃, opens the steam blowing equipment of air preheater, and the flue gas pressures that air preheater is entered the mouth maintains and is lower than 2000Pa;
4. open cyclone separator and get rid of non-flammable inorganic salts dust, keeping flue gas is 220-250 ℃ in the temperature of desulfurizing tower inlet, drops into alkali lye and carries out desulfurization, and last flue gas passes through by smoke stack emission down at 180-200 ℃.
In sum,, the invention has the beneficial effects as follows: high-temperature hot air is guided to incinerator burner 1,2,3, thereby guarantee efficient, the stable burning of the organic salt bearing liquid wastes of high concentration owing to adopted technique scheme.(4) be provided with cyclone separator 13, desulfurizing tower 15,, make fume emission satisfy national environmental standard to remove inorganic salts dust and the SO2 gas in the flue gas.
Incinerator utilization low heat value liquid-carrier spray burning technology of the present invention, high concentration saliferous organic liquid waste, the organic brine waste of high concentration, waste oil etc. there is excellent treatment effect, burn the waste heat that produces simultaneously and can recycle production steam, reach resources effective and recycling.
Incinerator disposal ability of the present invention is greater than 2.0 t/h, and incineration of liquor is complete, and the cycle of operation surpasses 30 days continuously, and gas consumption is less than 60 m
3/ ton waste liquid, the energy recovery amount of waste liquid per ton is greater than 2.5 tons (being equivalent to 1.25 Mpa saturated vapors).
Device of the present invention and technology has that disposal ability is big, efficiency of combustion is high, energy-saving and cost-reducing, advantage such as the device continous-stable cycle of operation is long.
Description of drawings
Fig. 1 is the apparatus structure schematic diagram of the embodiment of the invention 1.
Mark among the figure: 1 is the waste liquid atomising burner; 2 is axial neat gas burner; 3 is tangential neat gas burner; 4 is air blast; 5 is horizontal chamber furnace (oven); 6 is vertical heater; 61 is barricade; 7 is the cooling air system; 8 is waste heat boiler; 9 is manhole door; 10 is ash-valve; 11 is air preheater; 12 is steam blowing equipment; 13 is cyclone separator; 14 is air-introduced machine; 15 is desulfurizing tower; 16 is chimney.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is done detailed explanation.
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Embodiment 1:
As shown in Figure 1, a kind of high concentration saliferous organic waste liquid burning device, set gradually horizontal chamber furnace (oven) 5, vertical heater 6, waste heat boiler 8, air preheater 11, cyclone separator 13, air-introduced machine 14, desulfurizing tower 15 and chimney 16 by the flow of flue gas direction, the burner of horizontal chamber furnace (oven) 5 is respectively equipped with waste liquid atomising burner 1, axial neat gas burner 2 and tangential neat gas burner 3, waste liquid atomising burner 1 is by the compressed air atomizing, and all flue gases in flue gas drive horizontal chamber furnace (oven) 5 stoves that axial neat gas burner 2 and 3 burnings of tangential neat gas burner produce are made swirling motion.Vertical heater 6 and horizontal chamber furnace (oven) 5 join, in be provided with barricade 61, make flue gas produce baffling, rear portion at barricade 61, be provided with cooling air system 7, cooling air system 7 is guided in the vertical heater 6 by the cold wind of pipeline after with air blast 4, to reduce flue-gas temperature, makes waste heat boiler 8 the reason inlet temperature is not too high to be damaged.
Vertical heater 6 and waste heat boiler 8 join, and waste heat boiler 8 is a horizontal tubular boiler, and water is walked in the pipe, and flue gas is walked outside the pipe, the ash-valve 10 that waste heat boiler 8 bottoms are provided with, and waste heat boiler 8 both sides are provided with manhole door 9.Air blast 4 links to each other with cooling air system 7 with air preheater 11 respectively, air preheater 11 is a tubular heat exchanger, flue gas is walked in the pipe, air is walked outside the pipe, high-temperature hot air is guided to waste liquid atomising burner 1, axial neat gas burner 2 and tangential neat gas burner 3, thereby guarantee efficient, the stable burning of high concentrated organic waste liquid; Air preheater 11 is provided with steam blowing equipment 12, steam blowing equipment 12 is made up of steam jet and control valve, can carry out timing and purge, the cyclone separator 13 that the inorganic salts dust that is deposited in the pipe is delivered to is thereafter got rid of, thereby the heat exchange efficiency and the system that guarantee air preheater 11 be unobstructed; Desulfurizing tower 15 adopts alkali-sulfuric acid, sulfur dioxide reaction system, and flue gas passes through air-introduced machine 14 by chimney 16 qualified discharges.
Embodiment 2
A kind of high concentration saliferous organic waste liquid burning process may further comprise the steps:
1. open air blast 4, air-introduced machine 14, drop into axial neat gas burner 2, tangential neat gas burner 3, make the incinerator temperature reach 1000 ℃, drop into waste-liquor burner 1 then, make horizontal chamber furnace (oven) 5 high temperature burning zone temperature reach 1200 ℃.
2. adjust the size of the cooling air system 7 of vertical heater 6, making flue gas is 1050 ℃ in the temperature of waste heat boiler import 8.
3. flue gas is after passing through waste heat boiler 8 and air preheater 11, and temperature is reduced to 260 ℃, and the air themperature of preheating simultaneously is elevated to 280 ℃, opens the purging system 12 of air preheater 11, and the flue gas pressures that air preheater 11 is entered the mouth maintains and is lower than 2000Pa.
4. open cyclone separator 13, get rid of non-flammable inorganic salts dust, keeping flue gas is 220 ℃ in the temperature of desulfurizing tower 15 inlets, drops into alkali lye and carries out desulfurization, and last flue gas passes through down by chimney 16 dischargings at 180 ℃.
The gas consumption of present embodiment is 50 m
3/ ton waste liquid, the energy recovery amount of waste liquid per ton is 2.6 tons.
A kind of high concentration saliferous organic waste liquid burning process may further comprise the steps:
1. open air blast 4, air-introduced machine 14, drop into axial neat gas burner 2, tangential neat gas burner 3, make the incinerator temperature reach 1000 ℃, drop into waste-liquor burner 1 then, make horizontal chamber furnace (oven) 5 high temperature burning zone temperature reach 1280 ℃.
2. adjust the size of the cooling air system 7 of vertical heater 6, making flue gas is 1050 ℃ in the temperature of waste heat boiler import 8.
3. flue gas is after passing through waste heat boiler 8 and air preheater 11, and temperature is reduced to 290 ℃, and the air themperature of preheating simultaneously is elevated to 300 ℃, opens the purging system 12 of air preheater 11, and the flue gas pressures that air preheater 11 is entered the mouth maintains and is lower than 2000Pa,
4. open cyclone separator 13, get rid of non-flammable inorganic salts dust, keeping flue gas is 235 ℃ in the temperature of desulfurizing tower 15 inlets, drops into alkali lye and carries out desulfurization, and last flue gas passes through down by chimney 16 dischargings at 190 ℃.
The gas consumption of present embodiment is 54 m
3/ ton waste liquid, the energy recovery amount of waste liquid per ton is 2.9 tons.
Embodiment 4
A kind of high concentration saliferous organic waste liquid burning process may further comprise the steps:
1. open air blast 4, air-introduced machine 14, drop into axial neat gas burner 2, tangential neat gas burner 3, make the incinerator temperature reach 1000 ℃, drop into waste-liquor burner 1 then, make horizontal chamber furnace (oven) 5 high temperature burning zone temperature reach 1350 ℃,
2. adjust the size of the cooling air system 7 of vertical heater 6, making flue gas is 1050 ℃ in the temperature of waste heat boiler import 8.
3. flue gas is after passing through waste heat boiler 8 and air preheater 11, and temperature is reduced to 320 ℃, and the air themperature of preheating simultaneously is elevated to 330 ℃, opens the purging system 12 of air preheater 11, and the flue gas pressures that air preheater 11 is entered the mouth maintains and is lower than 2000Pa,
4. open cyclone separator 13, get rid of non-flammable inorganic salts dust, keeping flue gas is 250 ℃ in the temperature of desulfurizing tower 15 inlets, drops into alkali lye and carries out desulfurization, and last flue gas passes through down by chimney 16 dischargings at 200 ℃.
The gas consumption of present embodiment is 58 m
3/ ton waste liquid, the energy recovery amount of waste liquid per ton is 3.3 tons.
Claims (10)
1. high concentration saliferous organic waste liquid burning device, comprise incinerator, waste heat boiler and air-introduced machine, it is characterized in that: described incinerator comprises horizontal chamber furnace (oven) and vertical heater successively, and the burner of described horizontal chamber furnace (oven) is respectively equipped with waste-liquor burner, axial burner and tangential-firing burner.
2. according to the described high concentration saliferous of claim 1 organic waste liquid burning device, it is characterized in that: between waste heat boiler and air-introduced machine, also be provided with cyclone separator.
3. according to the described high concentration saliferous of claim 2 organic waste liquid burning device, it is characterized in that: also be provided with air preheater between waste heat boiler and cyclone separator, described air preheater also links to each other with waste-liquor burner, axial burner and tangential-firing burner respectively.
4. according to the described high concentration saliferous of claim 3 organic waste liquid burning device, it is characterized in that: air preheater is provided with steam blowing equipment.
5. according to the described high concentration saliferous of claim 1 organic waste liquid burning device, it is characterized in that: be provided with barricade in the described vertical heater.
6. according to the described high concentration saliferous of claim 5 organic waste liquid burning device, it is characterized in that: described vertical heater is provided with the cooling air system.
7. according to the described high concentration saliferous of claim 6 organic waste liquid burning device, it is characterized in that: also be provided with air blast, described air blast links to each other with the cooling air system with air preheater respectively.
8. according to the described high concentration saliferous of claim 1 organic waste liquid burning device, it is characterized in that: described waste heat boiler is a horizontal tubular boiler, and the waste heat boiler bottom is provided with ash-valve.
9. described according to Claim 8 high concentration saliferous organic waste liquid burning device, it is characterized in that: described waste heat boiler both sides respectively are provided with a manhole door.
10. the technology that is adopted when the described high concentration saliferous of claim 9 organic waste liquid burning device uses is characterized in that may further comprise the steps:
1. open air blast, air-introduced machine, drop into axial burner, tangential-firing burner, make the incinerator temperature reach 1000 ℃, drop into waste-liquor burner then, make horizontal chamber furnace (oven) high temperature burning zone temperature reach 1200-1350 ℃;
2. adjust the wind-force size of the cooling air system of vertical heater, make flue gas be no more than 1100 ℃ in the temperature of waste heat boiler import;
3. flue gas is after by waste heat boiler and air preheater, temperature is reduced to 260 ℃-320 ℃, the air themperature of preheating simultaneously is elevated to 280 ℃-330 ℃, opens the steam blowing equipment of air preheater, and the flue gas pressures that air preheater is entered the mouth maintains and is lower than 2000Pa;
4. open cyclone separator and get rid of non-flammable inorganic salts dust, keeping flue gas is 220-250 ℃ in the temperature of desulfurizing tower inlet, drops into alkali lye and carries out desulfurization, and last flue gas passes through by smoke stack emission down at 180-200 ℃.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102305410A (en) * | 2011-09-02 | 2012-01-04 | 北京航天动力研究所 | Method and system for carrying out incineration on high N-S-based saliferous organic waste liquor and carrying out purification treatment on tail gas |
| CN103822216A (en) * | 2014-03-18 | 2014-05-28 | 江苏星瑞化工工程科技有限公司 | Incineration method for saliferous organic mixed effluent |
| CN104964289A (en) * | 2015-06-05 | 2015-10-07 | 朱卫 | Incineration method of organic mixed waste liquid containing salt |
| CN105674235A (en) * | 2016-03-25 | 2016-06-15 | 哈尔滨哈锅锅炉工程技术有限公司 | Horizontal effective, energy-saving and environment-friendly modularized waste heat boiler for CO incineration |
| CN106765208A (en) * | 2017-02-14 | 2017-05-31 | 西安山岳环保科技有限公司 | A kind of pharmaceutical preparation processing method |
| CN106838910A (en) * | 2017-02-14 | 2017-06-13 | 西安山岳环保科技有限公司 | One kind useless solid and liquid waste incineration and exhaust heat recovering method |
| CN109775785A (en) * | 2017-11-15 | 2019-05-21 | 江苏金牛环保工程设备有限公司 | A kind of high-salt wastewater burns desalting system and its processing method |
| CN110980845A (en) * | 2019-12-17 | 2020-04-10 | 北京科太亚洲生态科技股份有限公司 | Combined device and process for treating salt-containing organic waste liquid |
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| CN102305410A (en) * | 2011-09-02 | 2012-01-04 | 北京航天动力研究所 | Method and system for carrying out incineration on high N-S-based saliferous organic waste liquor and carrying out purification treatment on tail gas |
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| CN104964289A (en) * | 2015-06-05 | 2015-10-07 | 朱卫 | Incineration method of organic mixed waste liquid containing salt |
| CN105674235A (en) * | 2016-03-25 | 2016-06-15 | 哈尔滨哈锅锅炉工程技术有限公司 | Horizontal effective, energy-saving and environment-friendly modularized waste heat boiler for CO incineration |
| CN105674235B (en) * | 2016-03-25 | 2017-10-31 | 哈尔滨哈锅锅炉工程技术有限公司 | A kind of Horizontal high efficient energy saving environmental protection CO burns modular afterheat boiler |
| CN106765208A (en) * | 2017-02-14 | 2017-05-31 | 西安山岳环保科技有限公司 | A kind of pharmaceutical preparation processing method |
| CN106838910A (en) * | 2017-02-14 | 2017-06-13 | 西安山岳环保科技有限公司 | One kind useless solid and liquid waste incineration and exhaust heat recovering method |
| CN106838910B (en) * | 2017-02-14 | 2019-08-27 | 西安山岳环保科技有限公司 | The useless solid and liquid waste incineration of one kind and exhaust heat recovering method |
| CN109775785A (en) * | 2017-11-15 | 2019-05-21 | 江苏金牛环保工程设备有限公司 | A kind of high-salt wastewater burns desalting system and its processing method |
| CN110980845A (en) * | 2019-12-17 | 2020-04-10 | 北京科太亚洲生态科技股份有限公司 | Combined device and process for treating salt-containing organic waste liquid |
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Address after: 643000 Zigong city of Sichuan Province, Ziliujing District Hing Road No. 168 Patentee after: Hao Yuan black Research & Design Institute of Chemical Industry Co. Ltd. Address before: 643000, 568, Hui Xing Road, Huili Eastern Road, Sichuan, Zigong Patentee before: China Rubber Group Carbon Black Research & Design Institute |