CN211551636U - Waste liquid combustion system - Google Patents
Waste liquid combustion system Download PDFInfo
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- CN211551636U CN211551636U CN201922274815.XU CN201922274815U CN211551636U CN 211551636 U CN211551636 U CN 211551636U CN 201922274815 U CN201922274815 U CN 201922274815U CN 211551636 U CN211551636 U CN 211551636U
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- flue gas
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- combustion
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Abstract
The utility model relates to a waste liquid combustion system, it includes the useless storage area of liquid danger and combustion system, combustion system fires burning furnace, second combustion chamber and exhaust-heat boiler including the waste liquid that communicates in proper order, waste liquid fires the feed end that burning furnace and the useless storage area intercommunication of liquid danger, exhaust-heat boiler's steam outlet and steam collection device intercommunication, exhaust-heat boiler's exhanst gas outlet and tail gas clean-up processing system intercommunication. The utility model discloses a to useless burning process that carries on of liquid danger, combustion effect is good, and the flue gas that produces after burning purifies back discharge to reach standard through tail gas purification processing system, does benefit to the environmental protection.
Description
Technical Field
The utility model belongs to the technical field of the useless processing technique of danger and specifically relates to a waste liquid combustion system is related to.
Background
With the rapid development of economy in China, the generation amount of dangerous waste, namely hazardous waste, is increased rapidly. In view of the potential environmental risks and the threat to human health, the danger of waste becomes one of the major environmental problems facing China. The hazardous waste incineration method has the advantages that toxic and harmful organic waste in hazardous waste can be effectively destroyed through incineration, the volume and the quality of the waste are reduced, the final safe disposal of the waste is facilitated, and the hazardous waste reduction and harmless technology is the most rapid and effective technology.
The existing waste liquid combustion system generally comprises a rotary kiln and a secondary combustion chamber, wherein the treatment process mainly comprises the steps of putting liquid hazardous waste into the rotary kiln to be combusted to generate smoke, enabling the smoke generated by the rotary kiln to enter the secondary combustion chamber and be fully mixed with excess air for combustion, and directly discharging the smoke generated by the combustion of the secondary combustion chamber.
The above prior art solutions have the following drawbacks: the combustion effect is relatively poor, and the discharged flue gas is not fully purified, which is not beneficial to environmental protection.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a waste liquid combustion system, realized carrying out the burning process to liquid danger useless, combustion effect is good, and the flue gas that produces after burning purifies back discharge to reach standard through tail gas purification processing system, does benefit to the environmental protection.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a waste liquid combustion system, includes liquid useless storage area of danger and combustion system, combustion system is including the waste liquid that communicates in proper order fires burning furnace, second combustion chamber and exhaust-heat boiler, the feed end that waste liquid fires burning furnace communicates with liquid useless storage area of danger, exhaust-heat boiler's steam outlet and steam collection device intercommunication, exhaust-heat boiler's exhanst gas outlet and tail gas clean-up processing system intercommunication.
Through adopting above-mentioned technical scheme, useless entering waste liquid combustion furnace of liquid danger burns, and the flue gas that waste liquid combustion furnace produced gets into two combustion chambers and carries out the postcombustion in two combustion chambers, and the flue gas that produces after two combustion chambers two combustion chamber two combustion gets into exhaust-heat boiler two and carries out the heat exchange, and the saturated steam that the heat exchange produced in the exhaust-heat boiler two gets into steam collection device, and the flue gas after two heat exchanges of exhaust-heat boiler gets into tail gas purification processing system and purifies back discharge to reaching standard, realizes burning and purifying the waste of liquid danger and discharges.
The present invention may be further configured in a preferred embodiment as: and a sampling analysis device and a liquid dangerous waste intermediate tank which are sequentially communicated are arranged between the liquid dangerous waste storage area and the feed end of the waste liquid combustion furnace.
Through adopting above-mentioned technical scheme, realize sampling analysis and storage to liquid state danger useless.
The present invention may be further configured in a preferred embodiment as: and a liquid-state dangerous waste conveying pump is arranged between the sampling analysis device and the liquid-state dangerous waste intermediate tank.
Through adopting above-mentioned technical scheme, make the useless intermediate tank of liquid state danger that liquid state danger after the sample analysis can be carried through the useless delivery pump of liquid state danger and store in the useless intermediate tank of liquid state danger.
The present invention may be further configured in a preferred embodiment as: and an atomizer is arranged at the feed end of the waste liquid combustion furnace.
Through adopting above-mentioned technical scheme, make the useless intermediate tank of liquid state danger useless can spout into the waste liquid combustion furnace through the atomizer and carry out the atomizing burning, improved combustion effect.
The present invention may be further configured in a preferred embodiment as: the tail gas purification processing system is including the flue gas quench tower, semidry process flue gas desulfurization tower, active carbon adsorption device, sack cleaner, flue gas scrubbing tower and the chimney that communicate in proper order, be provided with the flue gas reheater that is used for the flue gas heating between active carbon adsorption device and the sack cleaner.
Through adopting above-mentioned technical scheme, realized carrying out purification treatment to tail gas and then discharge to reach standard, reduced the pollution to the environment.
The present invention may be further configured in a preferred embodiment as: and an induced draft fan is arranged between the bag-type dust collector and the flue gas washing tower.
Through adopting above-mentioned technical scheme, realize leading the flue gas to in the emission.
The present invention may be further configured in a preferred embodiment as: the tail gas purification treatment system further comprises an alkali liquor circulating tank, an alkali liquor outlet of the alkali liquor circulating tank is communicated with the semi-dry flue gas desulfurization tower, and an alkali liquor recycling port of the alkali liquor circulating tank is communicated with the flue gas washing tower.
By adopting the technical scheme, the circulating supply of the alkali liquor is realized, and the desulfurization effect is ensured.
To sum up, the utility model discloses a beneficial technological effect:
realized carrying out combustion treatment to liquid state danger useless, the combustion effect is good, and the flue gas that produces after burning purifies back discharge to reach standard through tail gas purification processing system, does benefit to the environmental protection.
Drawings
Fig. 1 is a schematic structural diagram of the present embodiment.
In the figure, 1, a liquid dangerous waste storage area, 2, a combustion system, 21, a waste liquid combustion furnace, 22, a secondary combustion chamber, 23, a waste heat boiler, 24, a sampling analysis device, 25, a liquid dangerous waste intermediate tank, 3, a tail gas purification treatment system, 31, a flue gas quench tower, 32, a semi-dry flue gas desulfurization tower, 33, an activated carbon adsorption device, 34, a bag-type dust remover, 35, a flue gas washing tower, 36, a chimney, 37, a flue gas reheater, 38, an induced draft fan, 39 and an alkali liquor circulation tank.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the utility model discloses a waste liquid combustion system, including the useless storage area 1 of liquid danger and combustion system 2, combustion system 2 fires burning furnace 21, second combustion chamber 22 and exhaust-heat boiler 23 including the waste liquid that communicates in proper order, the feed end that waste liquid fires burning furnace 21 communicates with the useless storage area 1 of liquid danger, exhaust-heat boiler 23's steam outlet and steam collection device intercommunication, exhaust-heat boiler 23's exhanst gas outlet and tail gas clean-up processing system 3 intercommunication. Liquid state danger is useless gets into and burns in the waste liquid fires burning furnace 21, and the flue gas that waste liquid fires burning furnace 21 production gets into and carries out the postcombustion in the second combustion chamber 22, and the flue gas that produces after the second combustion chamber 22 burns gets into exhaust-heat boiler 23 and carries out the heat exchange, and the saturated steam that heat exchange produced gets into steam collection device in exhaust-heat boiler 23, and the flue gas after the exhaust-heat boiler 23 heat exchange gets into tail gas purification processing system 3 and purifies back discharge to reaching standard, realizes the burning and the purification of liquid state danger useless and discharges.
Referring to fig. 1, a sampling analysis device 24 and a liquid dangerous waste intermediate tank 25 which are sequentially communicated are arranged between the liquid dangerous waste storage area 1 and the feed end of the waste liquid combustion furnace 21, so as to realize sampling analysis and storage of the liquid dangerous waste.
Referring to fig. 1, a liquid dangerous waste conveying pump is arranged between the sampling and analyzing device 24 and the liquid dangerous waste intermediate tank 25, so that the liquid dangerous waste after sampling and analyzing can be conveyed to the liquid dangerous waste intermediate tank 25 through the liquid dangerous waste conveying pump for storage.
Referring to fig. 1, an atomizer is arranged at the feed end of the waste liquid combustion furnace 21, so that the liquid hazardous waste in the liquid hazardous waste intermediate tank 25 can be sprayed into the waste liquid combustion furnace 21 through the atomizer for atomized combustion, and the combustion effect is improved.
Referring to fig. 1, tail gas purification processing system 3 is including the flue gas quench tower 31, semidry process flue gas desulfurization tower 32, active carbon adsorption device 33, sack cleaner 34, flue gas scrubbing tower 35 and chimney 36 that communicate in proper order, be provided with the flue gas reheater 37 that is used for the flue gas heating between active carbon adsorption device 33 and the sack cleaner 34, be provided with draught fan 38 between sack cleaner 34 and the flue gas scrubbing tower 35. Specifically, the temperature of the flue gas after heat exchange by the exhaust-heat boiler 23 is reduced to 500 ℃, the cooled flue gas enters the flue gas quenching tower 31 to be quenched by spraying water for 1 second to be cooled to 200 ℃, the cooled flue gas enters the semi-dry flue gas desulfurization tower 32 to be deacidified by spraying high-concentration alkali liquor to remove most of acid gas, the deacidified flue gas enters the activated carbon adsorption device 33 and activated carbon or slaked lime blown into the activated carbon adsorption device 33 to be adsorbed, the activated carbon adsorption device 33 is used for further removing unreacted acid gas and dioxin possibly generated in an adsorption quenching section, the adsorbed flue gas is heated by the flue gas reheater 37 and then enters the bag-type dust remover 34 to be dedusted, the dedusted flue gas enters the flue gas washing tower 35 through the induced draft fan 38 to be washed, and trace dust leaked from the bag-type dust remover 34 is removed, the washed flue gas is discharged through a chimney 36, so that the tail gas is purified and then discharged up to the standard, and the pollution to the environment is reduced.
Referring to fig. 1, the tail gas purification treatment system 3 further includes an alkali liquor circulation tank 39, an alkali liquor outlet of the alkali liquor circulation tank 39 is communicated with the semi-dry flue gas desulfurization tower 32, and an alkali liquor recovery port of the alkali liquor circulation tank 39 is communicated with the flue gas washing tower 35, so that circulation supply of alkali liquor is realized, and a desulfurization effect is ensured.
In this embodiment, the temperature of the flue gas generated by the secondary combustion chamber 22 is 1100 ℃, the temperature of the flue gas after heat exchange by the waste heat boiler 23 is 500 ℃, the temperature of the flue gas after cooling by the flue gas quenching tower 31 is 200 ℃, and the temperature of the flue gas after heating by the flue gas reheater 37 is 180 ℃.
The implementation principle of the above embodiment is as follows: the liquid hazardous waste enters a waste liquid combustion furnace 21 for combustion, the flue gas generated by the waste liquid combustion furnace 21 enters a secondary combustion chamber 22 for secondary combustion, the flue gas generated by the combustion of the secondary combustion chamber 22 enters a waste heat boiler 23 for heat exchange, saturated steam generated by the heat exchange in the waste heat boiler 23 enters a steam collecting device, the temperature of the flue gas after the heat exchange in the waste heat boiler 23 is reduced to 500 ℃, the cooled flue gas enters a flue gas quenching tower 31 for water spraying and quenching for 1 second for cooling to 200 ℃, the cooled flue gas enters a semi-dry flue gas desulfurization tower 32 for deacidification by spraying high-concentration alkali liquor, most of acid gas is removed, the deacidified flue gas enters an active carbon adsorption device 33, and the active carbon or slaked lime blown into the active carbon adsorption device 33 is used for adsorption treatment, the unreacted acid gas and dioxin possibly generated in an adsorption quenching section are further removed by the active carbon adsorption device 33, the flue gas after adsorption treatment enters the bag-type dust remover 34 for dust removal after being heated by the flue gas reheater 37, the flue gas after dust removal enters the flue gas washing tower 35 for washing through the induced draft fan 38, trace dust leaking from the bag-type dust remover 34 is removed, and the flue gas after washing is discharged through the chimney 36.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. The utility model provides a waste liquid combustion system, includes useless storage area (1) of liquid danger and combustion system (2), its characterized in that: the combustion system (2) comprises a waste liquid combustion furnace (21), a secondary combustion chamber (22) and a waste heat boiler (23) which are sequentially communicated, the feed end of the waste liquid combustion furnace (21) is communicated with the liquid hazardous waste storage area (1), the steam outlet of the waste heat boiler (23) is communicated with a steam collecting device, and the smoke outlet of the waste heat boiler (23) is communicated with the tail gas purification treatment system (3).
2. The spent liquor burning system of claim 1, wherein: and a sampling analysis device (24) and a liquid dangerous waste intermediate tank (25) which are sequentially communicated are arranged between the liquid dangerous waste storage area (1) and the feed end of the waste liquid combustion furnace (21).
3. A spent liquor burning system according to claim 2, wherein: and a liquid-state dangerous waste conveying pump is arranged between the sampling analysis device (24) and the liquid-state dangerous waste intermediate tank (25).
4. A spent liquor burning system according to claim 2, wherein: and an atomizer is arranged at the feed end of the waste liquid combustion furnace (21).
5. A spent liquor burning system according to claim 3 wherein: tail gas clean-up processing system (3) are including flue gas quench tower (31), semidry flue gas desulfurization tower (32), activated carbon adsorption device (33), sack cleaner (34), flue gas scrubbing tower (35) and chimney (36) that communicate in proper order, the import of flue gas quench tower (31) and exhaust-heat boiler (23)'s exhanst gas outlet intercommunication, be provided with between activated carbon adsorption device (33) and sack cleaner (34) and be used for flue gas reheater (37) to the flue gas heating.
6. The spent liquor burning system of claim 5, wherein: and an induced draft fan (38) is arranged between the bag-type dust collector (34) and the flue gas washing tower (35).
7. The spent liquor burning system of claim 5, wherein: the tail gas purification treatment system (3) further comprises an alkali liquor circulating tank (39), an alkali liquor outlet of the alkali liquor circulating tank (39) is communicated with the semi-dry flue gas desulfurization tower (32), and an alkali liquor recycling port of the alkali liquor circulating tank (39) is communicated with the flue gas washing tower (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922274815.XU CN211551636U (en) | 2019-12-18 | 2019-12-18 | Waste liquid combustion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922274815.XU CN211551636U (en) | 2019-12-18 | 2019-12-18 | Waste liquid combustion system |
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| Publication Number | Publication Date |
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| CN211551636U true CN211551636U (en) | 2020-09-22 |
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| CN201922274815.XU Active CN211551636U (en) | 2019-12-18 | 2019-12-18 | Waste liquid combustion system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114177760A (en) * | 2022-02-16 | 2022-03-15 | 浙江百能科技有限公司 | System and method for oxidizing active oxygen in hazardous waste incineration flue gas and integrally discharging hazardous waste incineration flue gas in ultralow emission mode |
| CN114177761A (en) * | 2022-02-16 | 2022-03-15 | 浙江百能科技有限公司 | Ultralow emission system and method for hazardous waste incineration flue gas pollutants |
-
2019
- 2019-12-18 CN CN201922274815.XU patent/CN211551636U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114177760A (en) * | 2022-02-16 | 2022-03-15 | 浙江百能科技有限公司 | System and method for oxidizing active oxygen in hazardous waste incineration flue gas and integrally discharging hazardous waste incineration flue gas in ultralow emission mode |
| CN114177761A (en) * | 2022-02-16 | 2022-03-15 | 浙江百能科技有限公司 | Ultralow emission system and method for hazardous waste incineration flue gas pollutants |
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