CN209259865U - A kind of high-temperature flue gas handles the combined system of chlorine-contained wastewater with high salt with compressed air - Google Patents
A kind of high-temperature flue gas handles the combined system of chlorine-contained wastewater with high salt with compressed air Download PDFInfo
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- CN209259865U CN209259865U CN201821929088.5U CN201821929088U CN209259865U CN 209259865 U CN209259865 U CN 209259865U CN 201821929088 U CN201821929088 U CN 201821929088U CN 209259865 U CN209259865 U CN 209259865U
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Abstract
The utility model relates to the combined systems that high-temperature flue gas a kind of in energy-saving environmental protection device technical field and compressed air handle chlorine-contained wastewater with high salt, including high-temperature flue gas main line, expanded one branch of section is connected with flue gas bye-pass and connects with smoke evaporative tower on the high-temperature flue gas main line of front side, rotating spraying system is equipped in smoke evaporative tower, the liquid feeding end of rotating spraying system is connected to chlorine-contained wastewater with high salt, the lower sides of smoke evaporative tower are equipped with flue gas discharge opening, the expanded section two of flue gas discharge opening, smoke-exhaust pipeline imports the high-temperature flue gas main line of rear side, smoke evaporative tower bottom is equipped with deslagging bucket, the bottom of deslagging bucket is connect through electric brake plate valve one with lime-ash temporary storage tank, lime-ash is kept in pot bottom and is connect through electric brake plate valve two with the first interface of tee tube, the second interface of tee tube is connect with compressed gas source, the third interface of tee tube with it is defeated Grey piping connection, ash handing pipeline are connect with grey slag ladle, and lime-ash tank top is equipped with abhiseca deduster, and lime-ash pot bottom is equipped with slag-drip opening.
Description
Technical field
The utility model relates to energy-saving environmental protection device technical field, in particular to a kind of high-temperature flue gas and compressed air are handled
The combined system of chlorine-contained wastewater with high salt.
Background technique
In recent years, it with the upgrading of the high energy consumptions industrial structure such as State Grid and the specification of market competition order, improves useless
Water circulation rate reduces wastewater disposition, and sewage zero-discharge has become the hot spot of current every profession and trade, after concentration, high-salt wastewater
Processing has become difficult point and emphasis, and power plant's high-salt wastewater contains high-concentration chlorine ion, is even more difficult to handle utilization.Power plant is high at present
Strong brine zero-emission processing generally has two kinds of usual processing routes, and one is using steam or vapour compression machine as the evaporation of heat dynamic resource
Technique, the technology investment is at high cost, and operating cost is high, and maintenance operation failure is more；Another kind be using high-temperature flue gas as heat source,
High-salt wastewater is mist sprayed into high-temperature flue gas, and the vapor and a large amount of high villaumite after evaporation enter subsequent with flue gas
In dust pelletizing system.
The first is high as the evaporation technology cost of investment of heat dynamic resource using steam or vapour compression machine, and operating cost is high, inspection
It is more to repair operation failure.A large amount of parts containing villaumite that second of technique high-salt wastewater contains come back in flue, after deduster, high chlorine
Salt fully enters in flyash, influences comprehensive utilization of the power plant to flyash, causes solid waste secondary pollution.According to " general silicon
Acid salt cement " (GB175-2007) standard requirements, chloride ion content standard is less than 0.06% in finished cement, such as solid with high salt
Particle enters in flyash, and chloride ion content is up to 0.6% in flyash, therefore using flyash as main raw material(s) cement raw
The flyash that 10% can only be at most added in material greatly constrains cement plant to the utilization rate of flyash raw material, to cement
Production cost influences also larger.
Utility model content
In flyash product when the utility model is for chlorine-contained wastewater with high salt with high-temperature flue gas disposal in the prior art
The excessively high problem of chloride ion content, provides a kind of high-temperature flue gas and compressed air handles the combined system of chlorine-contained wastewater with high salt, with
The high chlorine solid component being separated from water is avoided to enter flue and influence the chlorinity that flyash is.
The novel purpose of this reality is achieved in that a kind of high-temperature flue gas handles the group of chlorine-contained wastewater with high salt with compressed air
Collaboration system, including high-temperature flue gas main line, the inlet end of the high-temperature flue gas main line and the flue gas emission of Denitration in Boiler system
Mouth connection, the high-temperature flue gas main line transport to smoke duster through air preheater, the high-temperature flue gas supervisor on front side of the air preheater
Expanded one branch of section is connected with flue gas bye-pass on the road, and the flue gas bye-pass is connect with smoke evaporative tower, and the flue gas steams
Fa Tanei is equipped with rotating spraying system, and the liquid feeding end of the rotating spraying system is connect with the output pipe of chlorine-contained wastewater with high salt,
And self-cleaning filter is connected on the output pipe of chlorine-contained wastewater with high salt, the lower sides of the smoke evaporative tower are equipped with cigarette
Gas outlet, the expanded section two of flue gas discharge opening are connected with smoke-exhaust pipeline, and the smoke-exhaust pipeline imports on rear side of air preheater
High-temperature flue gas main line, the smoke evaporative tower bottom are equipped with deslagging bucket, the bottom of the deslagging bucket through electric brake plate valve one with
The connection of lime-ash temporary storage tank, the lime-ash are kept in pot bottom and are connect through electric brake plate valve two with the first interface of tee tube, and described three
The second interface of siphunculus is connect with compressed gas source, and the third interface of the tee tube is connect with ash handing pipeline, the ash handing pipeline
It is connect with grey slag ladle, the lime-ash tank top is equipped with abhiseca deduster, and the lime-ash pot bottom is equipped with slag-drip opening.
The combined system of the utility model, chlorine-contained wastewater with high salt enter smoke evaporative tower after self-cleaning filter filters
It is interior, through rotating spraying system spray chemical conversion less than 100 μm droplet spray shine and go out, in droplet dropping process with into evaporating column height
Warm flue gas heat exchange moisture flash to vapor and heat change after low-temperature flue gas through smoke-exhaust pipeline import high-temperature flue gas main line into
The subsequent dust removal process of row, the lime-ash containing villaumite after evaporation are fallen into smoke evaporative tower bottom deslagging bucket, which is conducive to ash
The lime-ash of the whereabouts of slag, whereabouts is expelled in lime-ash temporary storage tank from bottom through electric brake plate valve one, the lime-ash in lime-ash temporary storage tank
Store a certain amount of rear electric brake plate valve two for opening lower part, the high wind power through compressed air when lime-ash falls to tee tube
Lime-ash is delivered to grey slag ladle through ash handing pipeline and is individually handled by conveying effect, and treated, and lime-ash is regularly logical from bottom
It crosses and transports to other reuse places, while the top setting abhiseca deduster of grey slag ladle is for dust removal process in tank.This is practical new
The said combination system of type carries out chlorine-contained wastewater zero discharge treatment with high salt using high-temperature flue gas thermal energy, and water follows cigarette by thermal energy
Road gas is drained, and the salt solid being separated from water enters device bottom, is discharged by compressed air conveying system, realizes that water separates admittedly,
High chlorine solid individually comprehensively utilizes after collecting, not in the flyash for being mixed into plant dust catcher collection, to improve flyash
Reclamation rate；The heat treatment chlorine-contained wastewater with high salt for utilizing high-temperature flue gas simultaneously, realizes making full use of for high-temperature flue gas surplus heat,
Energy saving, only one core component of swirl-spray device in evaporating column, internal component is few, and flue gas resistance is small, and failure rate is low, in cigarette
Expansion joint is respectively set on the pipeline of the disengaging flue gas of gas evaporating column, can be effectively prevented and cause because of temperature or pressure change
Equipment or pipe deforming, each component in effective protection system.
To prevent flue gas from revealing, the flue gas convenient for reliably cutting off flue gas when each component inspection on control flue gas branch pipe
Bye-pass is equipped with switch flapper valve one, is successively arranged out on the pipeline before the smoke-exhaust pipeline remittance high-temperature flue gas main line
Closing flapper valve two and expansion joint three, the switch flapper valve one and switch flapper valve two unidirectionally keep off door for venetian blind type, and described hundred
Leaf window is unidirectionally kept off when door is closed and being sealed respectively by hot-air system.
To be further ensured that switch flapper valve one and switching the reliable closing of flapper valve two, the switch flapper valve one with open
It closes flapper valve two and respectively includes triple-valve body, inlet tube and outlet and and straight line of the triple-valve body equipped with rectilinear direction
The vertical vertical tube in direction, the interior chamber section intersected with vertical tube of the triple-valve body is tilted to be equipped with unilaterally connected inlet tube and goes out
The air outlet pipeline of the openable valve plate of mouth pipe, the vertical tube and hot-air system is connected through switch valve, the heat of the vertical tube
Wind is used to seal the valve plate closed.The switch flapper valve design of this structure, when valve plate is opened, inlet tube is connected to outlet, together
When the hot-air system switch valve that is connected to straight tube close, to guarantee the normal opening of plate valve, when valve plate is closed, hot-air system is opened
It closes valve to open, hot wind blows to valve plate and the valve plate pressure maintaining to closing, valve plate is prevented to be opened accidentally or reveal, and to triple-valve body week
Be with certain insulation effect, prevent close high-temperature flue gas branch after branch cooling and influence next time branch normal starting work
Make.
For the collection convenient for flue gas in lime-ash temporary storage tank, the top of the lime-ash temporary storage tank is equipped with flue gas escape pipe, described
Flue gas escape pipe is connect with smoke-exhaust pipeline.
For convenient for the collection of the whereabouts of lime-ash, the headwall and horizontal direction of the deslagging bucket of the smoke evaporative tower bottom are in 70 °
Inclination angle.
For the anti-corrosive properties for improving rotating spraying system and self-cleaning filter, the rotating spraying system and self-cleaning filtering
In device with the material of liquid contact site be C276.
For the flow convenient for adjusting waste water according to the processing capacity of high-temperature flue gas, the output pipe of the chlorine-contained wastewater with high salt
The solenoid valve for adjusting flow is equipped between self-cleaning filter.
Detailed description of the invention
Fig. 1 is that the warm flue gas of the utility model handles the combined system working principle of chlorine-contained wastewater with high salt with compressed air
Figure.
Fig. 2 is to switch flapper valve to flow to schematic diagram.
Wherein, 1,1 ' high-temperature flue gas main line；2 air preheaters；3 expansion joints three；4 expansion joints one；5 switch flapper valves one；6 cigarettes
Gas branch pipe road；7 expansion joints two；8 rotating spraying systems；9 self-cleaning filters；10 switch flapper valves two；11 chlorine-contained wastewaters with high salt
Output pipe；12 smoke evaporative towers；13 smoke-exhaust pipelines；14 flue gases escape pipe；15 abhiseca dedusters；16 grey slag ladles；17 lime-ash
Temporary storage tank；18 compression gas tanks；19 tee tubes；20 ash handing pipelines.
Specific embodiment
As depicted in figs. 1 and 2, the combination of chlorine-contained wastewater with high salt is handled for the high-temperature flue gas of the utility model and compressed air
System, including high-temperature flue gas main line 1, the inlet end of high-temperature flue gas main line 1 and the flue gas emission mouth of Denitration in Boiler system connect
It connects, high-temperature flue gas main line 1 transports to smoke duster through air preheater 2, through swollen on the high-temperature flue gas main line 1 of 2 front side of air preheater
Swollen one 4 branch of section is connected with flue gas bye-pass 6, and flue gas bye-pass 6 connect 12 with smoke evaporative tower, is equipped in smoke evaporative tower 12
Rotating spraying system 8, the liquid feeding end of rotating spraying system 8 are connect with the output pipe 11 of chlorine-contained wastewater with high salt, and with high salt are contained
Self-cleaning filter 9 is connected on the output pipe 11 of chloride wastewater, the lower sides of smoke evaporative tower 12 are equipped with flue gas discharge opening,
The expanded section 27 of flue gas discharge opening is connected with smoke-exhaust pipeline 13, and smoke-exhaust pipeline 13 imports the high-temperature flue gas supervisor of 2 rear side of air preheater
Road 1 ', 12 bottom of smoke evaporative tower are equipped with deslagging bucket, and the bottom of deslagging bucket is connect through electric brake plate valve one with lime-ash temporary storage tank 17,
17 bottom of lime-ash temporary storage tank is connect through electric brake plate valve two with the first interface of tee tube 19, the second interface and pressure of tee tube 19
Contracting gas source is directly coupled to going out in gas circuit pipe for compression gas tank 18, the third interface and ash pipeline of tee tube 19 in the utility model
Road 20 connects, and ash handing pipeline 20 is connect with grey slag ladle 16, abhiseca deduster 15 is equipped at the top of grey slag ladle 16, grey 16 bottom of slag ladle is set
There is slag-drip opening.The processing of lime-ash further progress ash gas-slag separation is discharged respectively or is discharged by the ash slag ladle.
To prevent flue gas from revealing, flue gas branch convenient for reliably cutting off flue gas when each component inspection on control flue gas bye-pass 6
Pipeline 6 is equipped with switch flapper valve 1, is successively arranged out on the pipeline before the remittance high-temperature flue gas main line 1 ' of smoke-exhaust pipeline 13
Flapper valve 2 10 and expansion joint 33 are closed, switch flapper valve 1 and switch flapper valve 2 10 are that window unidirectionally keeps off door, and window is unidirectional
It keeps off when door is closed and being sealed respectively by hot-air system.It is specific to distinguish as shown in Fig. 2, switching flapper valve one and switch flapper valve two
Including triple-valve body, triple-valve body is equipped with the inlet tube A and outlet B and the vertical tube C vertical with rectilinear direction of rectilinear direction,
The tilted openable valve equipped with unilaterally connected inlet tube A and outlet B of road chamber section intersected in triple-valve body with vertical tube
The air outlet pipeline of plate D, vertical tube C and hot-air system is connected through switch valve, and the hot wind of vertical tube D is used to seal the valve plate D closed.
The switch flapper valve design of this structure, when valve plate is opened, inlet tube A is connected to outlet B, while the heat being connected to vertical tube C
The switch valve of wind system is closed, and to guarantee the normal opening of plate valve, when valve plate D is closed, hot-air system switch valve is opened, hot wind
Valve plate D and the valve plate pressure maintaining to closing are blowed to, prevents valve plate D to be opened accidentally or reveal, and certain to having around triple-valve body
Insulation effect, prevent close high-temperature flue gas branch after branch cooling and influence next time branch normal starting work.
For the collection convenient for flue gas in lime-ash temporary storage tank, the top of lime-ash temporary storage tank 17 is equipped with flue gas escape pipe 14, flue gas
Escape pipe 14 is connect with smoke-exhaust pipeline 13.
For convenient for the collection of the whereabouts of lime-ash, the headwall of the deslagging bucket of smoke evaporative tower bottom and horizontal direction are in 70 ° and incline
Angle.
For the anti-corrosive properties for improving rotating spraying system 8 and self-cleaning filter 9, rotating spraying system 8 and self-cleaning filtering
In device 9 with the material of liquid contact site be C276.
For convenient for according to the processing capacity of high-temperature flue gas adjust waste water flow, the output pipe 11 of chlorine-contained wastewater with high salt with
The solenoid valve for adjusting flow is equipped between self-cleaning filter 9.
The combined system of the utility model, chlorine-contained wastewater with high salt enter smoke evaporative tower after the filtering of self-cleaning filter 9
In 12, the spray of the droplet less than 100 μm is atomized into through rotating spraying system 8 and shines and goes out, in droplet dropping process and into evaporating column
High-temperature flue gas heat exchange after flash evapn at vapor and heat change after low-temperature flue gas through smoke-exhaust pipeline 13 import high-temperature flue gas
Main line 1 ' carries out subsequent dust removal process, and the lime-ash containing villaumite after evaporation is fallen into smoke evaporative tower bottom deslagging bucket, the bucket type
Structure is conducive to the whereabouts of lime-ash, and the lime-ash of whereabouts is expelled in lime-ash temporary storage tank 17 from bottom through electric brake plate valve one, and lime-ash is temporary
The lime-ash storage in tank 17 is deposited to a certain amount of rear electric brake plate valve two for opening lower part, through compressing when lime-ash falls to tee tube 19
Lime-ash is delivered to grey slag ladle 16 through ash handing pipeline 20 and is individually handled by the conveying effect of the high wind power of air, after processing
Lime-ash regularly transport to other reuse places from bottom by transport vehicle, while abhiseca deduster is arranged in the top of grey slag ladle 16
15 for dust removal process in tank.The said combination system of the utility model carries out chlorine-contained wastewater with high salt using high-temperature flue gas thermal energy
Zero discharge treatment, water follow flue gas to drain by thermal energy, and the solid salt after separating with moisture enters device bottom, pass through pressure
The discharge of contracting air conveying system realizes that water separates admittedly, and high chlorine solid individually comprehensively utilizes after collecting, and be not mixed into plant dust catcher
In the flyash of collection, to improve the reclamation rate of flyash；The heat treatment chlorine-contained wastewater with high salt of high-temperature flue gas is utilized simultaneously,
Realize that high-temperature flue gas surplus heat makes full use of, energy saving, only swirl-spray device one core component in evaporating column is internal
Component is few, and flue gas resistance is small, and failure rate is low, and expansion joint is respectively set on the pipeline of the disengaging flue gas of smoke evaporative tower, can be with
It effectively prevent causing equipment or pipe deforming because of temperature or pressure change, each component in effective protection system.
Claims (7)
1. a kind of high-temperature flue gas and compressed air handle the combined system of chlorine-contained wastewater with high salt, including high-temperature flue gas main line, institute
The inlet end for stating high-temperature flue gas main line is connect with the flue gas emission mouth of Denitration in Boiler system, and the high-temperature flue gas main line is through sky
Pre- device transports to smoke duster, which is characterized in that expanded one branch of section on the high-temperature flue gas main line on front side of the air preheater
It is connected with flue gas bye-pass, the flue gas bye-pass is connect with smoke evaporative tower, and rotating spraying is equipped in the smoke evaporative tower
The liquid feeding end of system, the rotating spraying system is connect with the output pipe of chlorine-contained wastewater with high salt, and chlorine-contained wastewater with high salt
Self-cleaning filter is connected on output pipe, the lower sides of the smoke evaporative tower are equipped with flue gas discharge opening, the flue gas
The expanded section two of outlet is connected with smoke-exhaust pipeline, and the smoke-exhaust pipeline imports the high-temperature flue gas main line on rear side of air preheater, institute
Smoke evaporative tower bottom is stated equipped with deslagging bucket, the bottom of the deslagging bucket is connect through electric brake plate valve one with lime-ash temporary storage tank, institute
It states the temporary pot bottom of lime-ash to connect through electric brake plate valve two with the first interface of tee tube, the second interface and pressure of the tee tube
The connection of contracting gas source, the third interface of the tee tube are connect with ash handing pipeline, and the ash handing pipeline is connect with grey slag ladle, the ash
Abhiseca deduster is equipped at the top of slag ladle, the lime-ash pot bottom is equipped with slag-drip opening.
2. high-temperature flue gas according to claim 1 and compressed air handle the combined system of chlorine-contained wastewater with high salt, feature
It is, the flue gas bye-pass is equipped with switch flapper valve one, and the smoke-exhaust pipeline imports the pipe before high-temperature flue gas main line
Road is successively arranged switch flapper valve two and expansion joint three, and the switch flapper valve one and switch flapper valve two are venetian blind type list
To gear door, the venetian blind type unidirectionally keeps off when door is closed and being sealed respectively by hot-air system.
3. high-temperature flue gas according to claim 2 and compressed air handle the combined system of chlorine-contained wastewater with high salt, feature
It is, the switch flapper valve one and switch flapper valve two respectively include triple-valve body, and the triple-valve body is equipped with straight line side
To inlet tube and outlet and the vertical tube vertical with rectilinear direction, in the chamber section intersected in the triple-valve body with vertical tube
It is provided tiltedly with the openable valve plate of unilaterally connected inlet tube and outlet, the air outlet pipeline warp of the vertical tube and hot-air system
Switch valve connection, the hot wind of the vertical tube are used to seal the valve plate closed.
4. high-temperature flue gas according to claim 1 and compressed air handle the combined system of chlorine-contained wastewater with high salt, feature
It is, the top of the lime-ash temporary storage tank is equipped with flue gas escape pipe, and the flue gas escape pipe is connect with smoke-exhaust pipeline.
5. high-temperature flue gas according to claim 1 and compressed air handle the combined system of chlorine-contained wastewater with high salt, feature
It is, the headwall and horizontal direction of the deslagging bucket of the smoke evaporative tower bottom are in 70 ° of inclination angle.
6. high-temperature flue gas according to claim 1 and compressed air handle the combined system of chlorine-contained wastewater with high salt, feature
Be, in the rotating spraying system and self-cleaning filter with the material of liquid contact site be C276.
7. high-temperature flue gas according to claim 1 and compressed air handle the combined system of chlorine-contained wastewater with high salt, feature
It is, the solenoid valve for adjusting flow is equipped between the output pipe and self-cleaning filter of the chlorine-contained wastewater with high salt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821929088.5U CN209259865U (en) | 2018-11-22 | 2018-11-22 | A kind of high-temperature flue gas handles the combined system of chlorine-contained wastewater with high salt with compressed air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821929088.5U CN209259865U (en) | 2018-11-22 | 2018-11-22 | A kind of high-temperature flue gas handles the combined system of chlorine-contained wastewater with high salt with compressed air |
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| Publication Number | Publication Date |
|---|---|
| CN209259865U true CN209259865U (en) | 2019-08-16 |
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ID=67563776
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821929088.5U Active CN209259865U (en) | 2018-11-22 | 2018-11-22 | A kind of high-temperature flue gas handles the combined system of chlorine-contained wastewater with high salt with compressed air |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209259865U (en) |
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2018
- 2018-11-22 CN CN201821929088.5U patent/CN209259865U/en active Active
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Address after: 225000 No. 1, Hongyuan Road, high end equipment manufacturing industrial park, Shaobo Town, Jiangdu District, Yangzhou City, Jiangsu Province Patentee after: Jiangsu Fengye Environmental Technology Group Co.,Ltd. Address before: 225000 Shaobo town Zhaoguan Jinghang village Jiangdu District Yangzhou City Jiangsu Province Patentee before: JIANGSU FENG YE TECHNOLOGY ENVIRONMENTAL PROTECTION GROUP Co.,Ltd. |