CN211706379U - Lime slurry atomizing fan - Google Patents
Lime slurry atomizing fan Download PDFInfo
- Publication number
- CN211706379U CN211706379U CN201922203222.4U CN201922203222U CN211706379U CN 211706379 U CN211706379 U CN 211706379U CN 201922203222 U CN201922203222 U CN 201922203222U CN 211706379 U CN211706379 U CN 211706379U
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- fan
- lime
- waste liquid
- air outlet
- lime slurry
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Abstract
The utility model discloses a lime thick liquid atomizing fan, including motor and fan body, the fan body includes fan air intake and fan air outlet, the inside impeller that is provided with of fan body, the motor is connected through the pivot the impeller, its characterized in that: the utility model discloses a desulfurization tower, including desulfurization tower air intake, kiln, fan air intake, exhaust fan, lime slurry atomizing fan desulfurizing tower, the fan air outlet is connected with the lime slurry transfer line, the fan goes out the tuber pipe and is connected with the shower, the shower sets up in the desulfurizing tower, the desulfurizing tower includes desulfurizing tower air intake, desulfurizing tower air outlet and waste liquid discharge port, the desulfurizing tower air intake is connected with the kiln through the draught fan, the kiln has still been connected the fan air intake, the desulfurizing tower air outlet is connected with the chimney through the exhaust fan, the waste liquid discharge port is connected with the lime slurry pond through the waste liquid pump, the lime slurry transfer line has been connected through the drawing.
Description
Technical Field
The utility model relates to an atomizing fan field, concretely relates to lime thick liquid atomizing fan.
Background
At present, the desulfurization towers commonly used in domestic and foreign coal-fired power plants mainly comprise a spray empty tower, a packed tower, a double-loop tower, a spray blast tower and the like.
Meanwhile, the existing desulfurization process has the following problems:
1. the lime is used for desulfurization, pipelines and nozzles are easy to block, the maintenance is difficult, and the equipment is easy to scrap.
2. The operation cost of sodium-alkali desulphurization is extremely high, the amount of desulphurization waste liquid is large, the waste water is not easy to treat, and secondary pollution is very easy to cause.
To summarize: the existing desulfurization process mainly comprises the following steps: inconvenient maintenance, easy blockage and high operation cost.
In order to solve the problems, a lime slurry atomizing fan is provided.
SUMMERY OF THE UTILITY MODEL
The utility model provides a lime thick liquid atomizing fan, includes motor and fan body, and the fan body includes fan air intake and fan air outlet, and the inside impeller that is provided with of fan body, impeller, its characterized in that are connected through the pivot to the motor: the air outlet of the fan is connected with a lime liquor infusion tube.
Furthermore, a valve is arranged on the lime liquor infusion tube.
Furthermore, the lime liquor infusion tube is a nylon hose.
Optionally, the fan goes out the tuber pipe and is connected with the shower, the shower sets up in the desulfurizing tower, the desulfurizing tower includes the desulfurizing tower air intake, desulfurizing tower air outlet and waste liquid discharge port, the desulfurizing tower air intake is connected with the kiln through the draught fan, the fan air intake has still been connected to the kiln, the desulfurizing tower air outlet is connected with the chimney through the exhaust fan, the waste liquid discharge port is connected with the lime wash through the waste liquid pump, the lime wash has connected the lime wash transfer line through the drawing liquid pump.
Furthermore, at least one lime slurry atomizing fan desulfurizing tower is connected outside the lime slurry atomizing fan desulfurizing tower.
Optionally, the fan air intake is connected with the kiln through the draught fan, and the fan air outlet is connected with the waste liquid recovery room, and the waste liquid recovery room is provided with waste liquid recovery room gas outlet, and the waste liquid recovery room is connected with the lime wash basin through the waste liquid pump, and the lime wash basin has originally connected the lime wash transfer line through drawing liquid.
Further, the kiln is connected with at least one lime slurry atomizing fan.
The utility model discloses beneficial effect as follows: when lime liquid is used as a desulfurizer, an atomizing nozzle is needed in the traditional desulfurization process to send the desulfurizer into a desulfurization tower, and the desulfurizer is atomized to fully contact with flue gas to be desulfurized, so that the aim of desulfurization and dust removal is fulfilled, but the liquid outlet of the atomizing nozzle is extremely small, and S0 is used2And Ca (OH)2Reaction can occur to generate CaSO3And CaSO4The long-term accumulation can cause the liquid outlet of the atomizing nozzle and the lime liquid conveying pipe to be CaSO3And CaSO4Block up, the utility model discloses in through with lime wash transfer line lug connection to fan air outlet, the high-speed gas that blows out through the fan blows off lime wash into lime wash spraying to the condition of jam has been avoided atomizer to appear.
In the first embodiment, part of the flue gas in the kiln is sucked into the lime slurry atomizing fan instead of sucking external oxygen, so that the content of oxygen in the desulfurizing tower is not increased, the workload of a desulfurizing agent is reduced, and resource waste is avoided; the part of the flue gas sucked into the lime slurry atomizing fan can be used for simultaneously desulfurizing and settling dust while atomizing the lime slurry; the desulfurization efficiency can be increased by arranging a plurality of lime slurry atomizing fans outside the desulfurization chamber; be provided with the valve at the lime wash transfer line, through the flow of valve control lime wash, be close to the desulfurizing tower air intake can accelerate the infusion speed with lime wash through with valve control, guarantee atomizing desulfurization efficiency, and be close to desulfurizing tower air outlet one end then can slow down the transport speed of lime wash through control flap, because S0 in the gas near the desulfurizing tower air outlet2The concentration of the lime water is very low, the redundant lime water conveying amount easily causes resource waste, and the waste liquid enters a lime water pool from a waste liquid pump through a waste liquid outlet arranged on the desulfurizing tower for recycling treatment.
In the second embodiment, the flue gas in the kiln is directly sucked into the lime slurry atomizing fan, and the lime slurry conveyed by the lime slurry conveying pipe is atomized through the pressurization of the fan, so that S0 in the flue gas2The uniform contact with lime liquor mist can achieve the effect of desulfurization and simultaneously can achieve the effect of reducingThe effect of dirt, the gaseous gas outlet through the waste liquid recovery room after the desulfurization is discharged, and the waste liquid passes through the waste liquid discharge port that the waste liquid recovery room set up and gets into the lime wash pond from the waste liquid pump and carries out recovery processing, can simplify equipment like this and practice thrift the cost, S0 in the desulfurizing tower2This protocol is applicable at lower concentrations.
Drawings
Fig. 1 is a schematic structural view of a lime slurry atomizing fan of the present invention;
FIG. 2 is a schematic diagram of an exemplary process configuration;
FIG. 3 is a schematic diagram of a flow structure according to an embodiment;
figure 4 is a working principle diagram of the lime slurry atomizing fan of the utility model,
the reference numerals are explained below: 101. the system comprises a kiln, 201, a desulfurizing tower, 301, a chimney, 401, a lime liquor pool, 501, an induced draft fan, 502, an exhaust fan, 503, a waste liquor pump, 504, a liquid suction pump, 6, an atomizing fan, 601, a fan body, 602, a motor, 611, a fan air inlet, 612, a fan air outlet, 621, a lime liquor conveying pipe, 631, a spray pipe, 641, a valve, 7, a waste liquor recovery chamber, 701, a waste liquor recovery chamber air outlet, A, part of kiln flue gas, B, flue gas flow after being pressurized by the fan, C, a lime liquor inlet, D, lime liquor mist atomized by high-pressure flue gas spraying and an E fan body.
Detailed Description
Please refer to fig. 1-4:
the utility model provides a lime thick liquid atomizing fan 6, includes motor 602 and fan body 601, and fan body 601 includes fan air intake 611 and fan air outlet 612, and fan body 601 is inside to be provided with the impeller, and motor 602 connects impeller, its characterized in that through the pivot: the fan air outlet 612 is connected with a lime liquor infusion tube 621, a valve 641 is arranged on the lime liquor infusion tube 621, and the lime liquor infusion tube 621 is a nylon hose.
Example one
The fan goes out the tuber pipe and is connected with shower 631, shower 631 sets up in desulfurizing tower 201, desulfurizing tower 201 includes desulfurizing tower 201 air intake, desulfurizing tower 201 air outlet and waste liquid discharge port, desulfurizing tower 201 air intake is connected with kiln 101 through draught fan 501, kiln 101 has still connected fan air intake 611, desulfurizing tower 201 air outlet is connected with chimney 301 through exhaust fan 502, the waste liquid discharge port is connected with lime wash tank 401 through waste liquid pump 503, lime wash tank 401 has connected lime wash transfer line 621 through drawing liquid pump 504, 6 desulfurizing tower 201 of lime wash atomizing fan is connected with one outward at least.
Part of the flue gas in the kiln 101 is sucked into the lime slurry atomizing fan 6 instead of sucking external oxygen, so that the content of the oxygen in the desulfurizing tower 201 is not increased, the workload of a desulfurizing agent is reduced, and the resource waste is avoided; the part of the flue gas sucked into the lime slurry atomizing fan 6 can be used for simultaneously desulfurizing and settling dust while atomizing the lime slurry; the desulfurization efficiency can be increased by arranging a plurality of lime slurry atomizing fans 6 outside the desulfurization chamber; be provided with valve 641 at lime wash transfer line 621, through the flow of valve 641 control lime wash, be close to the desulfurizing tower 201 air intake can accelerate the infusion speed of lime wash through controlling valve 641, guarantee atomizing desulfurization efficiency, and be close to desulfurizing tower 201 air outlet one end then can slow down the conveying speed of lime wash through control valve 641 because S0 in the gas that is close to desulfurizing tower 201 air outlet2The concentration of the lime water is very low, the excess lime water conveying amount easily causes resource waste, and the waste liquid enters the lime water pool 401 from the waste liquid pump 503 through a waste liquid discharging port arranged on the desulfurizing tower 201 for recycling treatment.
Example two
The air blower air inlet 611 is connected with the kiln 101 through an air blower 501, the air blower air outlet 612 is connected with a waste liquid recovery chamber 7, the waste liquid recovery chamber 7 is provided with a waste liquid recovery chamber air outlet 701, the waste liquid recovery chamber 7 is connected with a lime liquid pool 401 through a waste liquid pump 503, the lime liquid pool 401 is connected with a lime liquid infusion tube 621 through a liquid pumping device, and the kiln 101 is at least connected with a lime liquid atomizing fan 6.
The flue gas in the kiln 101 is directly sucked into the lime slurry atomizing fan 6, the lime slurry conveyed by the lime slurry conveying pipe 621 is atomized through the pressurization of the fan, and S0 in the flue gas2The uniform contact with lime liquor mist can achieve the effect of desulfurization and dust reduction, and desulfurizationThe gas after passing is discharged through the gas outlet 701 of the waste liquid recovery chamber, and the waste liquid is discharged from the waste liquid pump 503 into the lime liquid pool 401 through the waste liquid discharge port provided in the waste liquid recovery chamber 7 to be recovered, so that the facility can be simplified and the cost can be saved, and S0 in the desulfurizing tower 201 is2This protocol is applicable at lower concentrations.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (7)
1. The utility model provides a lime thick liquid atomizing fan, includes motor and fan body, fan body includes fan air intake and fan air outlet, the inside impeller that is provided with of fan body, the motor is connected through the pivot the impeller, its characterized in that: the air outlet of the fan is connected with a lime liquor infusion tube.
2. The lime slurry atomizing fan of claim 1, wherein: and a valve is arranged on the lime liquor infusion tube.
3. The lime slurry atomizing fan of claim 1, wherein: the utility model discloses a desulfurization tower, including desulfurization tower air intake, kiln, fan air intake, desulfurization tower air outlet, waste liquid discharge port, fan air outlet is connected with the shower, the shower sets up in the desulfurization tower, the desulfurization tower includes desulfurization tower air intake, desulfurization tower air outlet and waste liquid discharge port, the desulfurization tower air intake is connected with the kiln through the draught fan, the kiln has still been connected the fan air intake, the desulfurization tower air outlet is connected with the chimney through the exhaust fan, the waste liquid discharge port is connected with the lime lye pond through the waste liquid pump, the lime lye pond has.
4. The lime slurry atomizing fan according to any one of claims 1 to 3, characterized in that: at least one lime slurry atomizing fan desulfurizing tower is connected outside the lime slurry atomizing fan desulfurizing tower.
5. The lime slurry atomizing fan of claim 1, wherein: the air inlet of the fan is connected with the kiln through an induced draft fan, the air outlet of the fan is connected with a waste liquid recovery chamber, the waste liquid recovery chamber is provided with a waste liquid recovery chamber air outlet, the waste liquid recovery chamber is connected with a lime liquor pool through a waste liquid pump, and the lime liquor pool is connected with a lime liquor infusion tube through a liquor pumping device.
6. The lime slurry atomizing fan of claim 5, wherein: the kiln is connected with at least one lime slurry atomizing fan.
7. The lime slurry atomizing fan according to any one of claims 1, 3 or 5, wherein: the lime liquor infusion tube is a nylon hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922203222.4U CN211706379U (en) | 2019-12-10 | 2019-12-10 | Lime slurry atomizing fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922203222.4U CN211706379U (en) | 2019-12-10 | 2019-12-10 | Lime slurry atomizing fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211706379U true CN211706379U (en) | 2020-10-20 |
Family
ID=72817300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922203222.4U Expired - Fee Related CN211706379U (en) | 2019-12-10 | 2019-12-10 | Lime slurry atomizing fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211706379U (en) |
-
2019
- 2019-12-10 CN CN201922203222.4U patent/CN211706379U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201020 Termination date: 20211210 |
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| CF01 | Termination of patent right due to non-payment of annual fee |