CN209893420U - High-concentration organic wastewater incineration treatment device - Google Patents
High-concentration organic wastewater incineration treatment device Download PDFInfo
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- CN209893420U CN209893420U CN201920721591.XU CN201920721591U CN209893420U CN 209893420 U CN209893420 U CN 209893420U CN 201920721591 U CN201920721591 U CN 201920721591U CN 209893420 U CN209893420 U CN 209893420U
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Abstract
The utility model discloses a high-concentration organic wastewater incineration treatment device, which comprises an incinerator, wherein one end in the incinerator is provided with an igniter, an oxygen input port and an atomizing spray gun, the atomizing spray gun comprises a main pipeline, the front end of the main pipeline is provided with an atomizing nozzle, and the rear end of the main pipeline is connected with a steam nozzle and a wastewater nozzle; the steam heating device is sleeved outside the middle section and/or the front section of the main pipeline. The utility model provides a high concentration organic waste water burns processing apparatus gets into the waste water degree of atomization in the atomizing spray gun height, and atomizing waste water gets into the burning furnace postcombustion abundant, more environmental protection.
Description
Technical Field
The utility model relates to an organic waste water burns the processing field, especially relates to a high concentration organic waste water burns processing apparatus.
Background
At present, the treatment method of high-concentration organic wastewater mainly comprises an oxidation-adsorption method, an incineration method, an adsorption method and the like. Among them, the incineration method is to convert organic substances into harmless substances such as water and carbon dioxide by subjecting a waste liquid containing high-concentration organic substances to oxidative decomposition at a high temperature. The burning method has the greatest advantage that the waste water can be reduced rapidly and greatly, and is a very effective waste water treatment method. The incineration method is mainly used for treating wastewater which is difficult to biochemically treat, has high toxicity and complex components. Organic matters in the wastewater are decomposed into nontoxic and harmless micromolecular substances at high temperature.
The incineration method needs to use a waste water atomization spray gun, waste water and atomization steam are respectively introduced into the spray gun, and the waste water is atomized by mixing the waste water and the atomization steam. The atomized waste water is sprayed out of the incinerator through a spray gun and then mixed with air and/or combustion improver for combustion. However, the current atomizing spray guns have the following problems: steam and waste water get into the contact back from the spray gun rear end, and the temperature of steam has the certain degree to descend, leads to waste water in the spray gun, the atomizing of anterior segment is not sufficient enough to it is more to get into waste water after burning furnace, and remaining waste water need be collected again and handle, and the treatment effeciency is lower, and the energy consumption is big.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high concentration organic waste water burns processing apparatus, the waste water atomization degree that gets into in the atomizing spray gun is high, and atomizing waste water gets into the burning furnace postcombustion abundant, more environmental protection.
In order to achieve the purpose, the utility model provides a high-concentration organic wastewater incineration treatment device, which comprises an incinerator, wherein one end in the incinerator is provided with an igniter, an oxygen input port and an atomization spray gun, the atomization spray gun comprises a main pipeline, the front end of the main pipeline is provided with an atomization nozzle, and the rear end of the main pipeline is connected with a steam nozzle and a wastewater nozzle; the steam heating device is sleeved outside the middle section and/or the front section of the main pipeline.
As a further improvement of the utility model, the steam heating device comprises a spiral steam pipe sleeved on the outer wall of the main pipeline; the inner side of the spiral steam pipe is contacted with the main pipeline, and the outer side of the spiral steam pipe is provided with a heat insulation sleeve.
As a further improvement, the middle section of the main pipeline is an accelerating mixing section with wide two-end caliber and narrow middle caliber, and the accelerating mixing section comprises a narrowing section, a throat section and a diffusion section which are communicated in sequence.
As a further improvement of the utility model, the smoke outlet of the incinerator is communicated with a waste heat recovery structure; the waste heat recovery structure comprises a shell communicated with the smoke outlet of the incinerator, a zigzag extending water pipe is arranged in the shell, two ends of the water pipe are positioned outside the shell of the waste heat recovery structure, and the output end of the water pipe is connected with a steam tank; the steam tank is respectively communicated with the steam nozzle and the steam heating device.
As a further improvement of the utility model, the smoke outlet of the waste heat recovery structure is sequentially communicated with a washing tower, an adsorption tank and a dust remover.
As a further improvement of the utility model, a spraying mechanism for spraying mist alkali liquor and mist water is arranged in the washing tower; the spraying mechanism comprises a spraying pipe, and the input end of the spraying pipe is connected with a water supply pipe and a liquid supply pipe through a regulating valve.
As a further improvement of the utility model, the spray pipe comprises a main pipe and a plurality of vertically arranged branch pipes connected with the main pipe, and the length of each branch pipe is 0.6 to 0.8 times of the height of the inner cavity of the washing tower.
As a further improvement of the utility model, the top of the inner cavity of the adsorption tank is provided with a spray head.
Advantageous effects
Compared with the prior art, the utility model discloses a high concentration organic waste water incineration disposal device's advantage does:
1. and a steam heating device is sleeved outside the middle section and/or the front section of the main pipeline of the atomizing spray gun. Waste water enters the main pipeline through the waste water nozzle and is mixed with steam for atomization. Steam and waste water contact the back, in the trunk line, back end temperature descend, give the trunk line back end heating through steam heating device this moment, can slow down the speed that steam temperature descends, also can keep giving the heating atomization of waste water, improved the atomizing degree of waste water, the atomizing waste water gets into the burning furnace postcombustion more abundant, more environmental protection.
2. The steam heating device adopts a spiral steam pipe, and the spiral steam pipe can prolong the flow stroke of steam and fully benefit the heat of the steam. The heat insulating sleeve can basically conduct the heat of the steam in the spiral steam pipe to the main pipeline of the atomizing spray gun, and the steam heat utilization rate is improved.
3. The accelerating mixing section adopts the principle of a Venturi tube, the premixed gas and liquid are further accelerated and atomized into fine particles, and the atomization effect is better.
4. After the atomized waste water is combusted in the incinerator, the temperature of the flue gas discharged by the incinerator reaches 800-. The waste heat recovery structure reduces the temperature of the flue gas through a water pipe. And the water in the water pipe becomes steam and is output, enters the steam tank, and is respectively conveyed to the steam nozzle and the steam heating device by the steam tank for use, so that the reutilization of the heat energy of the flue gas is realized, and the energy-saving effect is achieved.
5. And spraying and atomizing alkali liquor sprayed by the washing tower to absorb part of acid gas. The washing tower can also spray water, the water directly carries out mass transfer and heat transfer exchange with the flue gas, the sprayed water is evaporated by utilizing the heat of the flue gas, the acidic gas in the flue gas is absorbed, and meanwhile, the temperature of the flue gas is reduced to be below 200 ℃, so that the effect of reducing the temperature is achieved. The adsorption tank and the dust remover can treat residual harmful gas and particles in the flue gas, so that the discharged air is basically harmless.
6. The adsorption tank is a fluidized adsorption device, and activated carbon powder and slaked lime powder are uniformly sprayed by a spray head in the tank. The microporous structure of the activated carbon ensures the absorption of dioxins, furans and acid gases.
The invention will become more apparent from the following description when taken in conjunction with the accompanying drawings which illustrate embodiments of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a high concentration organic wastewater incineration treatment apparatus;
fig. 2 is a schematic structural view of an atomizing spray gun.
Detailed Description
Embodiments of the present invention will now be described with reference to the accompanying drawings.
Examples
The utility model discloses a specific embodiment is as shown in fig. 1 to fig. 2, a high concentration organic waste water burns processing apparatus, including burning furnace 1, burn burning furnace 1 interior one end and be equipped with some firearm 11, oxygen input port 12 and atomizing spray gun 2, atomizing spray gun 2 includes trunk line 21, and the front end of trunk line 21 is equipped with atomizing nozzle 24, and the rear end of trunk line 21 is connected with steam jet 23 and waste water jet 22. The steam heating device 3 is sleeved outside the middle section and/or the front section of the main pipeline 21. In this embodiment, the steam heating device 3 is sleeved outside the middle section of the main pipe 21. For waste water which has a low calorific value and is not easy to burn, a combustion improver inlet 13 can be arranged in the incinerator 1, and the combustion improver is added into the incinerator 1.
The steam heating device 3 comprises a spiral steam pipe 31 sleeved on the outer wall of the main pipe 21. The spiral steam pipe 31 has an inner side contacting the main pipe 21 and an outer side provided with a heat insulating jacket 32. The middle section of the main pipeline 21 is an accelerating mixing section 25 with two wide end apertures and a narrow middle aperture, and the accelerating mixing section 25 comprises a narrowing section, a throat section and a diffusion section which are sequentially communicated.
The smoke outlet of the incinerator 1 is communicated with a waste heat recovery structure 4. The waste heat recovery structure 4 comprises a shell communicated with the smoke outlet of the incinerator 1, a water pipe 41 extending in a zigzag mode is arranged in the shell, the two ends of the water pipe 41 are located outside the shell of the waste heat recovery structure 4, and the output end of the water pipe 41 is connected with a steam tank 7. The steam tank 7 communicates with the steam nozzle 23 and the steam heating device 3, respectively. The smoke outlet of the waste heat recovery structure 4 is sequentially communicated with a washing tower 5, an adsorption tank 6 and a dust remover 8. Wherein a first pump body 52 is connected between the air inlet end of the washing tower 5 and the smoke outlet of the waste heat recovery structure 4. The second pump 62 is connected to the air inlet end of the canister 6. The dust collector 8 may be a bag dust collector, a wet electrostatic dust collector or a cyclone separator.
The washing tower 5 is provided with a spraying mechanism for spraying mist alkali liquor and mist water. The spraying mechanism comprises a spraying pipe 51, and the input end of the spraying pipe 51 is connected with a water supply pipe and a liquid supply pipe through a regulating valve. The spray pipe 51 comprises a main pipe and a plurality of vertically arranged branch pipes connected with the main pipe, and the length of each branch pipe is 0.6-0.8 times of the height of the inner cavity of the washing tower 5. The top of the inner cavity of the adsorption tank 6 is provided with a spray head 61.
In operation, waste water and steam are premixed from the waste water nozzle 22 and steam nozzle 23 of the atomising lance 2 into the rear end of the main pipe 21 respectively. The premixed steam and waste water sequentially pass through the middle section and the front section of the main pipeline 21, the steam heating device 3 heats the middle section of the main pipeline 21, the accelerating mixing section 25 adopts the principle of a Venturi tube, and the premixed gas and liquid are further accelerated and atomized into fine particles. The completely atomized waste water vapor is sprayed out from the atomizing nozzle 24 of the atomizing spray gun 2 to enter the incinerator 1, and is mixed with air and combustion improver and ignited by the igniter 11, and the temperature of the combusted smoke can reach 800-. The burnt flue gas enters the waste heat recovery structure 4, and the waste heat of the flue gas can be recovered through the waste heat recovery structure 4. The water in the water pipe 41 of the waste heat recovery structure 4 is heated into steam, and the steam in the water pipe 41 is conveyed to the steam nozzle 23 of the atomizing spray gun 2 and the steam heating device 3 for reuse. After the flue gas enters the washing tower 5, alkali liquor sprayed by the washing tower 5 is sprayed and atomized to absorb part of acid gas. The washing tower can also spray water, the water directly carries out mass transfer and heat transfer exchange with the flue gas, the sprayed water is evaporated by utilizing the heat of the flue gas, the acidic gas in the flue gas is absorbed, and meanwhile, the temperature of the flue gas is reduced to be below 200 ℃, so that the effect of reducing the temperature is achieved. After the flue gas enters the adsorption tank 6, the spray nozzles 61 in the tank uniformly spray activated carbon powder and slaked lime powder, and the microporous structure of the activated carbon ensures the absorption of dioxin, furan and acid gas. Finally, the residual particles in the flue gas are treated by a dust remover 8.
The present invention has been described above with reference to the preferred embodiments, but the present invention is not limited to the above-disclosed embodiments, and various modifications, equivalent combinations, which are made according to the essence of the present invention, should be covered.
Claims (8)
1. A high-concentration organic wastewater incineration treatment device comprises an incinerator (1), wherein an igniter (11), an oxygen inlet (12) and an atomizing spray gun (2) are arranged at one end in the incinerator (1), and the high-concentration organic wastewater incineration treatment device is characterized in that the atomizing spray gun (2) comprises a main pipeline (21), an atomizing nozzle (24) is arranged at the front end of the main pipeline (21), and the rear end of the main pipeline (21) is connected with a steam nozzle (23) and a wastewater nozzle (22); the steam heating device (3) is sleeved outside the middle section and/or the front section of the main pipeline (21).
2. The incineration disposal device for high concentration organic wastewater according to claim 1, wherein the steam heating device (3) comprises a spiral steam pipe (31) sleeved on the outer wall of the main pipe (21); the inner side of the spiral steam pipe (31) is contacted with the main pipe (21), and the outer side of the spiral steam pipe is provided with a heat insulation sleeve (32).
3. The incineration treatment device for the high-concentration organic wastewater as recited in claim 1, wherein the middle section of the main pipeline (21) is an accelerating mixing section (25) with wide two end apertures and narrow middle aperture, and the accelerating mixing section (25) comprises a narrowing section, a throat section and a diffusion section which are sequentially communicated.
4. The high concentration organic wastewater incineration disposal device according to claim 1, 2 or 3, wherein the exhaust port of the incinerator (1) is communicated with a waste heat recovery structure (4); the waste heat recovery structure (4) comprises a shell communicated with a smoke outlet of the incinerator (1), a zigzag extending water pipe (41) is arranged in the shell, two ends of the water pipe (41) are located outside the shell of the waste heat recovery structure (4), and the output end of the water pipe (41) is connected with a steam tank (7); the steam tank (7) is respectively communicated with the steam nozzle (23) and the steam heating device (3).
5. The high-concentration organic wastewater incineration treatment device according to claim 4, wherein the smoke outlet of the waste heat recovery structure (4) is sequentially communicated with a washing tower (5), an adsorption tank (6) and a dust remover (8).
6. The incineration disposal device for high concentration organic wastewater according to claim 5, wherein a spraying mechanism for spraying mist alkali liquor and mist water is provided in the washing tower (5); the spraying mechanism comprises a spraying pipe (51), and the input end of the spraying pipe (51) is connected with a water supply pipe and a liquid supply pipe through a regulating valve.
7. The incineration disposal apparatus for high concentration organic wastewater according to claim 6, wherein the shower pipe (51) comprises a main pipe and a plurality of vertically arranged branch pipes connected to the main pipe, and the length of the branch pipes is 0.6-0.8 times the height of the inner cavity of the washing tower (5).
8. The incineration disposal device for high concentration organic wastewater according to claim 5, wherein a spray nozzle (61) is provided at the top of the inner cavity of the adsorption tank (6).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920721591.XU CN209893420U (en) | 2019-05-20 | 2019-05-20 | High-concentration organic wastewater incineration treatment device |
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| CN201920721591.XU CN209893420U (en) | 2019-05-20 | 2019-05-20 | High-concentration organic wastewater incineration treatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115574344A (en) * | 2022-11-30 | 2023-01-06 | 江苏大格环境科技有限公司 | High-salt-content wastewater incineration, melting and cleaning process and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115574344A (en) * | 2022-11-30 | 2023-01-06 | 江苏大格环境科技有限公司 | High-salt-content wastewater incineration, melting and cleaning process and system |
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