CN205527837U - Coal fired boiler by -pass flue waste water evaporation plant - Google Patents
Coal fired boiler by -pass flue waste water evaporation plant Download PDFInfo
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- CN205527837U CN205527837U CN201620307341.8U CN201620307341U CN205527837U CN 205527837 U CN205527837 U CN 205527837U CN 201620307341 U CN201620307341 U CN 201620307341U CN 205527837 U CN205527837 U CN 205527837U
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Abstract
The utility model discloses a coal fired boiler by -pass flue waste water evaporation plant, including coal fired boiler, air heater, dust remover and waste water pump station, be equipped with ash pipeline way and follow -up flue on the dust remover, air heater passes through the dedusting flue intercommunication with the dust remover, coal fired boiler passes through denitrification facility and air heater intercommunication, and denitrification facility and air heater communicate through preheating the flue, preheats the flue and passes through by -pass flue and dedusting flue intercommunication, be equipped with atomizing nozzle in the by -pass flue, by -pass flue is last to be equipped with additional dust remover, is equipped with additional ash pipeline way on the additional dust remover, by -pass flue or preheat the flue on be equipped with with the heat exchanger of waste water pump station intercommunication. The utility model discloses make full use of existing equipment and flue gas heat are vapor, pollutant crystallization with evaporation of water in the waste water and for solid -state, make moisture and pollutant clean separation in the waste water to realize the thorough innocent treatment of boiler waste water.
Description
Technical field
This utility model is specifically related to a kind of coal-burning boiler bypass flue waste evaporator plant.
Background technology
The energy characteristics of China is gas oil-poor, few, rich coal, and coal occupies the energy output of country more than 70% always.Coal-burning boiler be exactly fuel be coal-fired boiler, refer to through fire coal combustion heat release amount in burner hearth, heat medium water or other organic heat carrier (such as conduction oil etc.) being heated to the thermal powerplant of uniform temperature (or pressure), coal-burning boiler is the most extensive approach of coal utilization.Continuous along with Environmental protection is strengthened, and all kinds of waste water produced by coal-burning boiler need zero-emission is done step-by-step, and this proposes severe challenge to the sustainable development of coal-burning boiler field.
Traditional coal-burning boiler waste water treatment process, all use chemistry dosing and the method for physics sedimentation, the method flow process is complicated, operation expense is high, and it is only capable of the partial contamination thing composition in waste water, waste water after Suo Chuli still can not be secondary use, therefore a large amount of waste water will appear from nowhere can with the situation that can arrange.
Utility model content
The purpose of this utility model is to overcome the shortcoming of prior art, it is provided that a kind of coal-burning boiler bypass flue waste evaporator plant, to solve the partial contamination thing composition that existing coal-burning boiler is only capable of in abjection waste water, the problem that remaining waste water cannot process.
For achieving the above object, technical solution adopted in the utility model is:
There is provided a kind of coal-burning boiler bypass flue waste evaporator plant, including the coal-burning boiler for coal combustion, for removing the cleaner unit of dust granule in flue gas, and for extracting the waste water pumping plant of waste water；Be provided with air preheater between coal-burning boiler and cleaner unit, cleaner unit be provided with the ash handing pipeline for discharging dust granule and after delivery of filtered the follow-up flue of flue gas, air preheater is connected by dust-removing flue with cleaner unit；
Coal-burning boiler is connected with air preheater by denitrification apparatus, and denitrification apparatus is connected by pre-heating flue with air preheater, and pre-heating flue is connected with dust-removing flue by bypass flue；Being provided with atomizer in bypass flue, bypass flue is provided with additional cleaner unit, and additional cleaner unit is provided with additional ash handing pipeline；Bypass flue or pre-heating flue are provided with the heat exchanger for pre-thermal wastewater, and waste water pumping plant connects with heat exchanger.
The beneficial effects of the utility model are:
1, this utility model makes full use of existing equipment and flue gas heat, moisture in waste water is evaporated completely and becomes steam, pollutant in waste water crystallize as solid-state after moisture evaporates completely, so that moisture and pollutant in waste water are kept completely separate and are easy to process respectively, to realize the thorough harmless treatment of boiler wastewater.This device technique clear process, the device of increase is few convenient to carry out and with low cost, and is capable of the zero-emission of boiler wastewater.
Accompanying drawing explanation
Fig. 1 is the structural representation of coal-burning boiler bypass flue waste evaporator plant.
Wherein: 1, waste water pumping plant；2, coal-burning boiler；3, denitrification apparatus；4, pre-heating flue；5, atomizer；6, air preheater；7, heat exchanger；8, bypass flue；9, additional cleaner unit；10, dust-removing flue；11, cleaner unit；12, ash handing pipeline；13, follow-up flue；14, additional ash handing pipeline.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with this utility model specific embodiment and corresponding accompanying drawing, technical solutions of the utility model are clearly and completely described.
With reference to Fig. 1, the present embodiment provides a kind of coal-burning boiler bypass flue waste evaporator plant, including the coal-burning boiler 2 for coal combustion, for removing the cleaner unit 11 of dust granule in flue gas, and for extracting the waste water pumping plant 1 of waste water.Be provided with air preheater 6 between coal-burning boiler 2 and cleaner unit 11, cleaner unit 11 be provided with the ash handing pipeline 12 for discharging dust granule and after delivery of filtered the follow-up flue 13 of flue gas, air preheater 6 and cleaner unit 11 is connected by dust-removing flue 10.
Coal-burning boiler 2 is connected with air preheater 6 by denitrification apparatus 3, and denitrification apparatus 3 is connected by pre-heating flue 4 with air preheater 6, and pre-heating flue 4 is connected with dust-removing flue 10 by bypass flue 8.Being provided with atomizer 5 in bypass flue 8, bypass flue 8 is provided with additional cleaner unit 9, and additional cleaner unit 9 is provided with additional ash handing pipeline 14.Bypass flue 8 or pre-heating flue 4 are provided with the heat exchanger 7 for pre-thermal wastewater, and waste water pumping plant 1 connects with heat exchanger 7.
A kind of coal-burning boiler bypass flue waste water evaporation technology, comprises the following steps:
Preheating: the waste water inflow heat exchanger 7 that coal-burning boiler 2 produces, the waste water in heat exchanger 7 absorbs the fume afterheat in bypass flue 8 or pre-heating flue 4, and pre-thermal wastewater flows into waste water pumping plant 1.
Atomization: pre-thermal wastewater is atomized and is sprayed in bypass flue 8 to atomizer 5, atomizer 5 by waste water pumping plant 1 by pre-thermal wastewater pressurized delivered.
Evaporation separates: atomization waste water is heated by high-temperature flue gas in bypass flue 8, and the moisture in atomization waste water is evaporated to steam completely, and the crystallization after moisture evaporates of the pollutant in atomization waste water is solid-state.
Catching solid contaminant: steam and solid contaminant enter additional cleaner unit 9, part solid contaminant is attached after cleaner unit 9 catches and enters additional ash handing pipeline 14.Steam and residue solid contaminant enter cleaner unit 11 by dust-removing flue 10, and residue solid contaminant enters ash handing pipeline 12 after being caught by cleaner unit 11, and steam enters follow-up flue 13 by cleaner unit 11.The solid contaminant being discharged in additional ash handing pipeline 14 and ash handing pipeline 12 collects, and concentrates and carries out harmless treatment.
This utility model makes full use of existing equipment and flue gas heat, moisture in waste water is evaporated completely and becomes steam, pollutant in waste water crystallize as solid-state after moisture evaporates completely, so that moisture and pollutant in waste water are kept completely separate and are easy to process respectively, to realize the thorough harmless treatment of boiler wastewater.This utility model technological process is clear, and the device of increase is few convenient to carry out and with low cost, and is capable of the zero-emission of boiler wastewater.
Above-mentioned embodiment is used for illustrating this utility model; rather than this utility model is limited; in spirit of the present utility model and scope of the claims, any modifications and changes that this utility model is made, both fall within protection domain of the present utility model.
Claims (1)
1. a coal-burning boiler bypass flue waste evaporator plant, including the coal-burning boiler for coal combustion, uses
In removing the cleaner unit of dust granule in flue gas, and for extracting the waste water pumping plant of waste water；Described coal-fired pot
Being provided with air preheater between stove and cleaner unit, cleaner unit is provided with the ash handing pipeline for discharging dust granule
With the follow-up flue of flue gas after delivery of filtered, air preheater is connected by dust-removing flue with cleaner unit,
It is characterized in that:
Described coal-burning boiler is connected with air preheater by denitrification apparatus, and denitrification apparatus leads to air preheater
Crossing the connection of pre-heating flue, pre-heating flue is connected with dust-removing flue by bypass flue；Set in described bypass flue
Having atomizer, bypass flue to be provided with additional cleaner unit, additional cleaner unit is provided with additional ash handing pipeline；
Described bypass flue or pre-heating flue are provided with the heat exchanger for pre-thermal wastewater, waste water pumping plant and heat exchange
Device connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620307341.8U CN205527837U (en) | 2016-04-13 | 2016-04-13 | Coal fired boiler by -pass flue waste water evaporation plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620307341.8U CN205527837U (en) | 2016-04-13 | 2016-04-13 | Coal fired boiler by -pass flue waste water evaporation plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205527837U true CN205527837U (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620307341.8U Active CN205527837U (en) | 2016-04-13 | 2016-04-13 | Coal fired boiler by -pass flue waste water evaporation plant |
Country Status (1)
| Country | Link |
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| CN (1) | CN205527837U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105668672A (en) * | 2016-04-13 | 2016-06-15 | 亿川科技(成都)有限责任公司 | Coal-fired boiler bypass flue wastewater evaporation device and technology |
-
2016
- 2016-04-13 CN CN201620307341.8U patent/CN205527837U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105668672A (en) * | 2016-04-13 | 2016-06-15 | 亿川科技(成都)有限责任公司 | Coal-fired boiler bypass flue wastewater evaporation device and technology |
| CN105668672B (en) * | 2016-04-13 | 2019-03-12 | 亿川科技(成都)有限责任公司 | A kind of coal-burning boiler bypass flue waste evaporator plant and technique |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |