CN102218257A - Absorption column inlet flushing and desuperheating device in smoke gas desulfurization system - Google Patents
Absorption column inlet flushing and desuperheating device in smoke gas desulfurization system Download PDFInfo
- Publication number
- CN102218257A CN102218257A CN2011101652831A CN201110165283A CN102218257A CN 102218257 A CN102218257 A CN 102218257A CN 2011101652831 A CN2011101652831 A CN 2011101652831A CN 201110165283 A CN201110165283 A CN 201110165283A CN 102218257 A CN102218257 A CN 102218257A
- Authority
- CN
- China
- Prior art keywords
- absorption tower
- accident
- desuperheating
- door
- manually operated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention discloses an absorption column inlet flushing and desuperheating device in a smoke gas desulfurization system, which comprises an accident desuperheating tank B, a spraying installation C arranged in an inlet flue A of an absorption tower, and an accident desuperheating water header pipe 4 connected with the accident desuperheating tank B and the spraying installation C. The absorption column inlet flushing and desuperheating device in the smoke gas desulfurization system overcomes the defects that in a current soot-free bypass system, the absorption tower becomes the only way for the smoke gases to pass; and when a slurry circulating pump is completely stopped due to accident, the necessary master fuel trip (MFT) on a boiler can cause larger damage on a liner of the absorption tower and internals of the tower. The absorption column inlet flushing and desuperheating device can automatically and quickly spray and cool the high temperature smoke gases at the inlet of the absorption tower and control the temperature of the inlet of the absorption tower in an allowable scope so that the absorption tower is guaranteed from being damaged by high temperature.
Description
Technical field
The present invention relates to a kind of flushing Desuperheating device, the accident flushing at the wet interface of dry and the device (or system) of desuperheat are gone in particularly a kind of absorption tower that is used for.
Background technology
In flue gas desulfur device, tower internals heatproofs such as absorption tower liner and demister, spraying layer are below 80 ℃, and power plant's air-introduced machine exit gas temperature is generally 120 ℃ (under the failure condition being 180 ℃).When the whole forced shutdown of absorption tower slurry circulating pump (for example full factory power down), flue gas directly enters the absorption tower, will cause bigger damage to absorption tower liner and tower internals.
In the system of gas bypass is arranged, when the whole forced shutdown of slurry circulating pump, often open the bypass gas baffle door, high-temperature flue gas will be without the absorption tower, directly from bypass discharge leg to chimney, with the protection absorption tower.
In the system of no flue gas bypass, the absorption tower becomes the only way which must be passed of flue gas, when the whole forced shutdown of slurry circulating pump, the necessary MFT of boiler, air-introduced machine coasting operation this moment, the flue gas that still has heat enters the absorption tower, and absorption tower liner and tower internals are caused bigger damage.
Summary of the invention
For addressing the above problem, promptly in no flue gas bypath system, when the whole forced shutdown of slurry circulating pump, high-temperature flue gas enters the absorption tower absorption tower liner and tower internals is caused damage.The present invention proposes to be provided with the flushing Desuperheating device before the gas approach of absorption tower.This device can be opened in the state of accident automatically, by spray desuperheating water in the gas approach of absorption tower, reduces and goes into tower cigarette temperature, reaches the effect of protection absorption tower liner and tower internals.
The objective of the invention is to reach: the flushing of absorption tower inlet, Desuperheating device in the flue gas desulphurization system by following measure, it is characterized in that it comprises accident desuperheat water tank, be positioned at the spraying layer setting of absorption tower gas approach, the accident desuperheating water that connection accident desuperheat water tank and spraying layer are provided with is responsible for;
Described accident desuperheat water tank case top is provided with filling pipe, be provided with outlet pipe at the bottom of the accident desuperheat water tank case, accident desuperheat water tank case side is provided with liquid level gauge, overflow pipe and drains pipe, and the height of described overflow pipe is greater than the height of liquid level gauge, and the height of described liquid level gauge is greater than the height that drains pipe;
Described accident desuperheating water is responsible for outlet pipe at the bottom of the accident desuperheat water tank case and is connected, and the accident desuperheating water is responsible in the gas approach of feeding absorption tower, and layout spraying layer setting in the gas approach of absorption tower;
In technique scheme, the described filling pipe that is arranged in accident desuperheat water tank case top has two the tunnel, the one tunnel to be fire extinguisher canvas hose, and another road is the demister wash tub pipe; The demister wash tub pipe is established first pneumatic door to accident desuperheating water tank inlet side, and fire extinguisher canvas hose to accident desuperheating water tank inlet side is established second pneumatic door; On described fire extinguisher canvas hose, also be provided with first Pressure gauge and first manually operated door, on described demister wash tub pipe, also be provided with second manually operated door and second Pressure gauge.
In technique scheme, the upper end that described accident desuperheating water is responsible for is provided with the 4th manually operated door and the 4th pneumatic door, arranged beneath at the 4th pneumatic door has compressed air to purge pipeline, the accident desuperheating water is responsible for and is provided with in the gas approach of individual at least shower feeding absorption tower, on each shower, be provided with manually operated door, also be provided with pneumatic door in the lower end of manually operated door.
In technique scheme, described first manually operated door, second manually operated door are set to often open, and first pneumatic door, second pneumatic door are controlled automatic switch according to liquid level gauge, and the 4th pneumatic door is set to often open.
In technique scheme, described accident desuperheating water is responsible for and is provided with in two showers feeding absorption tower gas approach, be provided with the 5th manually operated door and the 5th pneumatic door on the shower therein, on another shower, be provided with the 6th manually operated door and the 6th pneumatic door.
In technique scheme, described spraying layer is arranged on and is furnished with two layers of spraying layer in the gas approach of absorption tower, and every layer of spraying layer has many arms, 1.5 meters of tube pitch, and every arm is provided with a plurality of nozzles, 1.2 meters of injector spacings.
In technique scheme, described nozzle adopts spirality solid conical nozzle, and the effective area that each nozzle covered is by 1.5m
2, the about 42.8L/min of the flow of single-nozzle, the about 0.7bar of nozzle exit pressure.
In technique scheme, the gas approach place is provided with the thermal resistance that is used to measure temperature on described absorption tower, and the place is provided with the thermal resistance that is used to measure temperature equally at the absorption tower exhaust pass.
Inlet flushing Desuperheating device in absorption tower of the present invention can spray cooling to high-temperature flue gas automatically fast at the absorption tower inlet, and the absorption tower inlet temperature is controlled in the allowed band, guarantees that the absorption tower is not damaged by high temperature.
Description of drawings
Fig. 1 is absorption tower of the present invention inlet flushing, Desuperheating device system diagram.
Individual layer spraying layer layout drawing in the gas approach of absorption tower among Fig. 2 the present invention.
Among the figure: A. absorption tower gas approach, B. accident desuperheat water tank, the C. spraying layer is provided with, 1. fire extinguisher canvas hose, 2. demister wash tub pipe, 3. overflow pipe, 4. the accident desuperheating water is responsible for, 5. ground floor accident spraying layer pipeline, 6. second layer accident spraying layer pipeline, 7. compressed air purges pipeline, 8. nozzle, 1a. first manually operated door, 1b. first pneumatic door, 1c. first Pressure gauge, 2a. second manually operated door, 2b. second pneumatic door, 2c. second Pressure gauge, 3a. drains door, 3b. liquid level gauge, 4a. the 4th manually operated door, 4b. the 4th pneumatic door, 5a. the 5th manually operated door, 5b. the 5th pneumatic door, 6a. the 6th manually operated door, 6b. the 6th pneumatic door, 7a. compressed air hose pneumatic door.
The specific embodiment
Describe performance of the present invention in detail below in conjunction with accompanying drawing, but they do not constitute limitation of the invention, only do for example.Simultaneously by illustrating that advantage of the present invention will become more clear and advances to separate easily.Native system describes from process system and two aspects of operation control, and the direction among the figure shown in the arrow is the direction of gas flow.
Consult accompanying drawing as can be known: the flushing of absorption tower inlet, Desuperheating device in the flue gas desulphurization system of the present invention, it comprises accident desuperheat water tank B, the spraying layer that is positioned at absorption tower gas approach A is provided with C, and connection accident desuperheat water tank B and spraying layer are provided with the accident desuperheating water of C and are responsible for 4; Described accident desuperheat water tank B case top is provided with filling pipe, be provided with outlet pipe at the bottom of the accident desuperheat water tank B case, accident desuperheat water tank B case side is provided with liquid level gauge 3b, overflow pipe 3 and drains pipe 3a, the height of described overflow pipe 3 is greater than the height of liquid level gauge 3b, and the height of described liquid level gauge 3b is greater than the height that drains pipe 3a; Described accident desuperheating water is responsible for 4 and is connected with outlet pipe at the bottom of the accident desuperheat water tank B case, and the accident desuperheating water is responsible in the 4 feeding absorption tower gas approach A, and the layout spraying layer is provided with C (as shown in Figure 1) in the gas approach A of absorption tower.
The filling pipe that is arranged in accident desuperheat water tank B case top has two the tunnel, the one tunnel to be fire extinguisher canvas hose 1, and another road is a demister wash tub pipe 2; Demister wash tub pipe 2 is established the first pneumatic door 1b to accident desuperheat water tank B entrance side, and fire extinguisher canvas hose 1 to accident desuperheat water tank B entrance side is established the second pneumatic door 2b; On described fire extinguisher canvas hose 1, also be provided with the first Pressure gauge 1c and the first manually operated door 1a, on described demister wash tub pipe, also be provided with the second manually operated door 2a and the second Pressure gauge 2c (as shown in Figure 1).
The accident desuperheating water person in charge 4 upper end is provided with the 4th manually operated door 4a and the 4th pneumatic door 4b, arranged beneath at the 4th pneumatic door 4b has compressed air to purge pipeline 7, the accident desuperheating water is responsible for 4 and is provided with at least 2 showers feeding absorption tower gas approach A, on each shower, be provided with manually operated door, also be provided with pneumatic door (as shown in Figure 1) in the lower end of manually operated door.
The first manually operated door 1a, the second manually operated door 2a are set to often open, and the first pneumatic door 1b, the second pneumatic door 2b control automatic switch according to liquid level gauge, and the 4th pneumatic door 4b is set to often open.
The accident desuperheating water is responsible for 4 and is provided with in two showers feeding absorption tower gas approach A, be provided with the 5th manually operated door 5a and the 5th pneumatic door 5b on the shower therein, on another shower, be provided with the 6th manually operated door 6a and the 6th pneumatic door 6b (as shown in Figure 1).
Spraying layer is provided with C and is furnished with two layers of spraying layer in the gas approach A of absorption tower, and every layer of spraying layer has many arms, 1.5 meters of tube pitch, and every arm is provided with a plurality of nozzles, 1.2 meters of injector spacings.Nozzle adopts spirality solid conical nozzle, and the effective area that each nozzle covered is by 1.5m
2, the about 42.8L/min of the flow of single-nozzle, the about 0.7bar of nozzle exit pressure (as shown in Figure 2).
Gas approach A place is provided with the thermal resistance that is used to measure temperature on described absorption tower, is provided with the thermal resistance (accompanying drawing does not draw) that is used for measuring temperature equally at absorption tower exhaust pass place.
The present invention includes two parts of process system and control system.
(1) process system
1, accident desuperheat water tank B
As shown in Figure 1: water tank case top is provided with two filling pipes, and the case side is provided with an outlet pipe, DN80 liquid level gauge 3b and adapter, and overflow pipe 3 and drain a 3a, water tank, adapter and flange material adopt carbon steel glass inner-lining scale.Case side water outlet oral-lateral is joined the 4th manually operated door 4a, the 4th pneumatic door 4b, and valve downstream meets compressed air hose pneumatic door 7a, is used for the purging of nozzle 8.
2, accident desuperheat water tank filling pipe
As shown in Figure 1: the water tank moisturizing has two-way, and one the tunnel is fire extinguisher canvas hose 1, and another road is a demister wash tub pipe 2.Filling pipe to tank entry side is established the first pneumatic door 1b, the second pneumatic door 2b, according to the high water tank automatic water supplement.The demister flushing water is as the main suit, and when spray system started, the mist separator of desulfurization flush water pump was opened simultaneously, guarantees sufficient moisturizing.Fire water is as alternate source, is responsible for to draw connecing from power plant's fire water.
3, spraying layer setting in the flue
As shown in Figure 1: the accident desuperheating water is responsible for 4 the 4th manually operated door 4a is set, and the 4th pneumatic door 4b arranges at least two layers of spraying layer in the gas approach of absorption tower, the spraying layer inlet is provided with the 5th manually operated door 5a, the 6th manually operated door 6a, the 5th pneumatic door 5b, the 6th pneumatic door 6b.
As shown in Figure 2, every layer of spraying layer has many arms, 1.5 meters of tube pitch, and every arm is provided with a plurality of nozzles 8,1.2 meters of injector spacings.
Nozzle 8 adopts spirality solid conical nozzle, and the effective area that each nozzle covered is by 1.5m
2Meter, the about 42.8L/min of the flow of single-nozzle, the about 0.7bar of nozzle exit pressure.
(2) operation control
1, the accident desuperheat water tank moisturizing first manually operated door 1a, the second manually operated door 2a are set to often open, and the first pneumatic door 1b, the second pneumatic door 2b control automatic switch according to liquid level gauge.Accident desuperheat water tank outlet accident desuperheating water is responsible for the 4th pneumatic door 4b and is set to often open.
2, in order to prevent spray nozzle clogging, compressed air hose pneumatic door 7a regularly purges nozzle.
3, accident spray system start and stop (satisfying following arbitrary condition)
(1) booster fan entrance flue gas temperature
When the desulfurizing tower entrance flue gas temperature surpasses 160 ℃, open the 5th pneumatic door 5b and carry out adjustment;
When the desulfurizing tower entrance flue gas temperature surpasses 170 ℃, open the 6th pneumatic door 6b and carry out adjustment;
When desulfurizing tower entrance flue gas temperature during less than 160 ℃, by-pass valve control is closed automatically.
(2) absorption tower exit gas temperature
When the absorption tower exit gas temperature surpasses 80 ℃, open 2 the 5th pneumatic door 5b simultaneously, the 6th pneumatic door 6b carries out adjustment.
When absorption tower exit gas temperature during less than 70 ℃, by-pass valve control is closed automatically.
(3) all tripping operations simultaneously of absorption tower slurry circulating pump
When the absorption tower slurry circulating pump all trips simultaneously, open the 5th pneumatic door 5b simultaneously, the 6th pneumatic door 6b carries out adjustment.
4, the accident desuperheat is responsible for the 4th pneumatic door 4b and every layer of accident sprays the 5th pneumatic door 5b, the 6th pneumatic door 6b all by the air to close design, opens automatically losing under the gas situation manually operated door.Accident spray button is set on the desulfurization operations platform, adopt hard wired control mode, in case of emergency, by pressing the corresponding accident flushing of accident spray pushbutton enable all spray pneumatic doors of temperature reducing system and the moisturizing pneumatic door first pneumatic door 1b, the second pneumatic door 2b, the 5th pneumatic door 5, the 6th pneumatic door 6b.
5, gas approach place, absorption tower sets up three thermal resistances behind every unit accident spraying layer, sets up three thermal resistances equally at absorption tower exhaust pass place, and the signal measuring point of redundant configuration is used for reliable monitoring.
6, unit MFT
If start in back 1 minute at accident desuperheat rinse-system, the absorption tower exit gas temperature is still greater than 80 ℃, then unit MFT (Main Fuel Trip): i.e. main fuel trip, the core content of boiler safety protection.Its effect is whether the predetermined various safe operation conditions of continuous monitoring satisfy, in case the operating mode that may jeopardize safe operation of the boiler occurs, enters the fuel of burner hearth with regard to fast shut-off, avoids accident to take place.
7, on-bne repair
When closing all manually operated door 4a, 5a, 6a, can under non-stop-machine situation, overhaul operated pneumatic valve 4b, 5b, 6b in the device.
Claims (8)
1. absorption tower inlet flushing, Desuperheating device in the flue gas desulphurization system, it is characterized in that it comprises accident desuperheat water tank (B), be positioned at the spraying layer setting (C) of absorption tower gas approach (A), the accident desuperheating water of connection accident desuperheat water tank (B) and spraying layer setting (C) is responsible for (4);
Described accident desuperheat water tank (B) case top is provided with filling pipe, be provided with outlet pipe at the bottom of accident desuperheat water tank (B) case, accident desuperheat water tank (B) case side is provided with liquid level gauge (3b), overflow pipe (3) and drains pipe (3a), the height of described overflow pipe (3) is greater than the height of liquid level gauge (3b), and the height of described liquid level gauge (3b) is greater than the height that drains pipe (3a);
Described accident desuperheating water be responsible for (4 with accident desuperheat water tank (outlet pipe at the bottom of the B case is connected, and the accident desuperheating water is responsible in (4) the feeding absorption tower gas approach (A), and layout spraying layer setting (C) in absorption tower gas approach (A).
2. the flushing of absorption tower inlet, Desuperheating device in the flue gas desulphurization system according to claim 1, it is characterized in that describedly being arranged in accident desuperheat water tank (filling pipe on B case top having two the tunnel, one the tunnel is fire extinguisher canvas hose (1), and another road is demister wash tub pipe (2); Demister wash tub pipe (2) is established first pneumatic door (1b) to accident desuperheat water tank (B) entrance side, and fire extinguisher canvas hose (1) to accident desuperheat water tank (B) entrance side is established second pneumatic door (2b); On described fire extinguisher canvas hose (1), also be provided with first Pressure gauge (1c) and first manually operated door (1a), on described demister wash tub pipe, also be provided with second manually operated door (2a) and second Pressure gauge (2c).
3. the flushing of absorption tower inlet, Desuperheating device in the flue gas desulphurization system according to claim 1, the upper end that it is characterized in that the described accident desuperheating water person in charge (4) is provided with the 4th manually operated door (4a) and the 4th pneumatic door (4b), arranged beneath at the 4th pneumatic door (4b) has compressed air to purge pipeline (7), the accident desuperheating water is responsible for (4) and is provided with at least two showers feeding absorption tower gas approach (A), on each shower, be provided with manually operated door, also be provided with pneumatic door in the lower end of manually operated door.
4. the flushing of absorption tower inlet, Desuperheating device in the flue gas desulphurization system according to claim 3, it is characterized in that described first manually operated door (1a), second manually operated door (2a) are set to often open, first pneumatic door (1b), second pneumatic door (2b) are according to liquid level gauge control automatic switch, and the 4th pneumatic door (4b) is set to often open.
5. the flushing of absorption tower inlet, Desuperheating device in the flue gas desulphurization system according to claim 3, it is characterized in that the described accident desuperheating water person in charge (4) is provided with two showers and feeds in the absorption tower gas approach (A), be provided with the 5th manually operated door (5a) and the 5th pneumatic door (5b) on the shower therein, on another shower, be provided with the 6th manually operated door (6a) and the 6th pneumatic door (6b).
6. according to the flushing of absorption tower inlet, Desuperheating device in claim 1 or the 3 described flue gas desulphurization systems, it is characterized in that described spraying layer setting (C) is furnished with two layers of spraying layer in absorption tower gas approach (A), every layer of spraying layer has many arms, prop up 1.5 meters of tube pitch, every arm is provided with a plurality of nozzles, 1.2 meters of injector spacings.
7. the flushing of absorption tower inlet, Desuperheating device in the flue gas desulphurization system according to claim 6 is characterized in that described nozzle adopts spirality solid conical nozzle (8), and the effective area that each nozzle (8) is covered is by 1.5m
2, the about 42.8L/min of the flow of single-nozzle, the about 0.7bar of nozzle exit pressure.
8. the flushing of absorption tower inlet, Desuperheating device in the flue gas desulphurization system according to claim 7, it is characterized in that locating to be provided with the thermal resistance that is used to measure temperature on described absorption tower gas approach (A), the place is provided with the thermal resistance that is used to measure temperature equally at the absorption tower exhaust pass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101652831A CN102218257A (en) | 2011-06-20 | 2011-06-20 | Absorption column inlet flushing and desuperheating device in smoke gas desulfurization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101652831A CN102218257A (en) | 2011-06-20 | 2011-06-20 | Absorption column inlet flushing and desuperheating device in smoke gas desulfurization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102218257A true CN102218257A (en) | 2011-10-19 |
Family
ID=44775111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101652831A Pending CN102218257A (en) | 2011-06-20 | 2011-06-20 | Absorption column inlet flushing and desuperheating device in smoke gas desulfurization system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102218257A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108662602A (en) * | 2018-03-13 | 2018-10-16 | 中国神华能源股份有限公司 | Method and system for the exhaust gas temperature for controlling boiler |
| PL424293A1 (en) * | 2018-01-17 | 2019-07-29 | Uniwersytet Technologiczno-Przyrodniczy im. Jana i Jędrzeja Śniadeckich w Bydgoszczy | Hydraulic system of a station for testing hydraulic elements, material and structural samples |
| WO2019210499A1 (en) * | 2018-05-04 | 2019-11-07 | 江苏申江环境科技有限公司 | Device for cleaning fouling in desulfurization entrance |
| CN110898636A (en) * | 2019-11-04 | 2020-03-24 | 西安西矿环保科技有限公司 | Prevent deposiing wet flue gas desulfurization system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050013757A1 (en) * | 2003-07-16 | 2005-01-20 | Franz Windschmitt | Method and system for removing sulfur and dust from waste gases, particularly refinery waste gases |
| CN101125279A (en) * | 2007-06-20 | 2008-02-20 | 邓生毛 | Flue-gas desulfurizing engineering high-temperature flue-gas controlling system and controlling method thereof |
| CN101164666A (en) * | 2007-08-17 | 2008-04-23 | 中国神华能源股份有限公司 | Fume automatic ventilated spraying system for adsorption tower |
| CN201454409U (en) * | 2009-07-14 | 2010-05-12 | 中电投远达环保工程有限公司 | Flue gas mist cooling scrubbing system |
| CN202237717U (en) * | 2011-06-20 | 2012-05-30 | 武汉龙净环保工程有限公司 | Adsorption tower entrance flushing and temperature reducing device in flue gas desulfurization system |
-
2011
- 2011-06-20 CN CN2011101652831A patent/CN102218257A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050013757A1 (en) * | 2003-07-16 | 2005-01-20 | Franz Windschmitt | Method and system for removing sulfur and dust from waste gases, particularly refinery waste gases |
| CN101125279A (en) * | 2007-06-20 | 2008-02-20 | 邓生毛 | Flue-gas desulfurizing engineering high-temperature flue-gas controlling system and controlling method thereof |
| CN101164666A (en) * | 2007-08-17 | 2008-04-23 | 中国神华能源股份有限公司 | Fume automatic ventilated spraying system for adsorption tower |
| CN201454409U (en) * | 2009-07-14 | 2010-05-12 | 中电投远达环保工程有限公司 | Flue gas mist cooling scrubbing system |
| CN202237717U (en) * | 2011-06-20 | 2012-05-30 | 武汉龙净环保工程有限公司 | Adsorption tower entrance flushing and temperature reducing device in flue gas desulfurization system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL424293A1 (en) * | 2018-01-17 | 2019-07-29 | Uniwersytet Technologiczno-Przyrodniczy im. Jana i Jędrzeja Śniadeckich w Bydgoszczy | Hydraulic system of a station for testing hydraulic elements, material and structural samples |
| CN108662602A (en) * | 2018-03-13 | 2018-10-16 | 中国神华能源股份有限公司 | Method and system for the exhaust gas temperature for controlling boiler |
| WO2019210499A1 (en) * | 2018-05-04 | 2019-11-07 | 江苏申江环境科技有限公司 | Device for cleaning fouling in desulfurization entrance |
| CN110898636A (en) * | 2019-11-04 | 2020-03-24 | 西安西矿环保科技有限公司 | Prevent deposiing wet flue gas desulfurization system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102218257A (en) | Absorption column inlet flushing and desuperheating device in smoke gas desulfurization system | |
| CN202237717U (en) | Adsorption tower entrance flushing and temperature reducing device in flue gas desulfurization system | |
| CN104020737B (en) | A kind of slurry circulating pump RB control method of fired power generating unit | |
| CN105950226A (en) | Vertical type spray cooling and dehydration integrated system for coal gas | |
| KR101434119B1 (en) | Power generation plant | |
| CN104930542A (en) | Ultra-supercritical coal-fired boiler unit start adjusting method and system | |
| CN111396023A (en) | Associated gas and liquid recycling device | |
| CN202532515U (en) | Flue gas multilevel cooling device for flue gas desulfurization system | |
| CN101164666A (en) | Fume automatic ventilated spraying system for adsorption tower | |
| CN107723011B (en) | Method for online water cutting of hole-pulling of negative pressure gas system | |
| CN106268127B (en) | V2O5Reduction kiln restores exhaust gas recovery system and recovery process | |
| CN204240376U (en) | A kind of safety device of chimney | |
| CN113731146A (en) | Wet washing device and cooling method during flue gas washing | |
| CN201091829Y (en) | Gas fume automatic temperature drop spray system for absorption tower | |
| CN103320568A (en) | Multifunctional intelligent spray dust collection cooler | |
| CN105674313A (en) | Safety protection device for chimney | |
| CN202438229U (en) | Automatic spray device for absorbing tower accident | |
| CN207131454U (en) | A kind of unattended automatic hydrophobic system | |
| CN209174458U (en) | A kind of desulfurizer mist eliminator flushing control system | |
| CN207941362U (en) | Absorption tower equipped with emergency shower system | |
| KR101974003B1 (en) | Reheater of desulfurization equipment with By-Pass Line | |
| CN207253953U (en) | It is electrolysed aluminium melting furnace and holding furnace smoke eliminator | |
| CN201085988Y (en) | Desulfurization absorption system | |
| CN220601796U (en) | Cooling system of heat carrier boiler | |
| CN215876843U (en) | Wet washing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20111019 |