CN217051696U - Nuclear power station hot method sea water desalination and sludge drying integrated device - Google Patents
Nuclear power station hot method sea water desalination and sludge drying integrated device Download PDFInfo
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- CN217051696U CN217051696U CN202220382875.2U CN202220382875U CN217051696U CN 217051696 U CN217051696 U CN 217051696U CN 202220382875 U CN202220382875 U CN 202220382875U CN 217051696 U CN217051696 U CN 217051696U
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Abstract
The utility model particularly relates to a nuclear power station thermal method seawater desalination and sludge drying integrated device, which comprises a sludge feeding funnel (7), a belt type sludge drying device (1), a condenser (4), a heater (3) and a fan (2); the outlet of the sludge feeding funnel (7) is connected with the top of the belt type sludge drying device (1); the inlet of the condenser (4) is connected with the top of the belt type sludge drying device (1), the gas outlet of the condenser (4) is connected with the inlet of the heater (3), the gas outlet of the heater (3) is connected with the inlet of the fan (2), and the outlet of the fan (2) is connected with the bottom of the belt type sludge drying device (1). The utility model discloses a nuclear power station thermal method sea water desalination and sludge drying integrated device for nuclear power station thermal method sea water desalination and sludge drying, it is more economical high-efficient.
Description
Technical Field
The utility model relates to a seawater desalination handles technical field, especially relates to a nuclear power station hot method seawater desalination and sludge drying integrated device.
Background
The seawater desalination system of the nuclear power station has the function of providing fresh water meeting the requirements of water quality and water quantity for domestic water and production water of a production area in an operation period after seawater is pretreated and treated by a reverse osmosis membrane, and is used as a standby water source for water in a construction period, domestic water in a factory in the operation period and water supplement of a fire pool. The seawater desalination system of the nuclear power station generates a large amount of muddy water with the water content of more than 98 percent in the pretreatment operation process, bone glue is added into a sludge storage tank for concentration and precipitation, then the muddy water is pumped into a screw folding machine through a sludge pump for mud pressing, the water content of a mud cake is 70-80 percent, the mud cake can not be formed, the outward transportation cost of a large amount of sludge is increased, and meanwhile, water resources are wasted. In addition, the nuclear power station generally adopts a membrane method for seawater desalination, once a reverse osmosis membrane is seriously polluted and blocked, the produced seawater is insufficient due to factors such as membrane embrittlement and the like, and certain safety risk is brought to the operation of the nuclear power station.
SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to provide a nuclear power station thermal method sea water desalination and sludge drying integrated device aiming at the problems that the nuclear power station adopts a membrane method for sea water desalination, the outward transportation cost of sludge is high, the utilization rate of water resources is low, and the risk of insufficient sea water desalination water production exists.
In order to achieve the above object, the present invention provides the following technical solutions:
a nuclear power station hot method seawater desalination and sludge drying integrated device comprises a sludge feeding funnel, a belt type sludge drying device, a condenser, a heater and a fan; the outlet of the sludge feeding funnel is connected with the top of the belt type sludge drying device; the condenser inlet is connected with the top of the belt type sludge drying device, the condenser gas outlet is connected with the heater inlet, the heater gas outlet is connected with the fan inlet, and the fan outlet is connected with the bottom of the belt type sludge drying device.
The working principle is as follows: feeding the feed into a belt type sludge dryer through a sludge feeding funnel, and drying in the belt type sludge dryer to generate saturated wet air. Saturated wet air enters a condenser through a pipeline, and fresh water and dry air are obtained after the saturated wet air is condensed in the condenser. The dry air enters the heater through the pipeline, and is heated in the heater to obtain fresh water and hot dry air, and the whole process is circulated.
Furthermore, liquid outlets of the heater and the condenser are connected with the domestic water tank.
Furthermore, a sludge discharge port is arranged at the bottom of the belt type sludge dryer and is connected with a sludge collection device.
Furthermore, a cold source of the condenser is return water of a domestic water pump.
Furthermore, the heat source of the heater is nuclear low-temperature air exhaust.
Further, the feed material of the mud feeding funnel is seawater to be desalinated or seawater desalination pretreatment sludge; when the feed of the mud feeding funnel is the seawater to be desalinated, the heat source of the heater is nuclear energy low-temperature air extraction at the temperature of 120-150 ℃ and 20 t/h; when the feed of the mud feeding funnel is the seawater desalination pretreatment sludge, the heat source of the heater is nuclear energy low-temperature air extraction at the temperature of 120-.
Furthermore, in the belt sludge dryer, the return air is 44-52 ℃ and the air supply is 60-70 ℃.
Further, the belt sludge dryer comprises a transmission belt and a motor, and the power source of the transmission belt is the motor.
Furthermore, the sludge feeding funnel, the belt type sludge drying device, the condenser, the heater and the fan are connected through pipelines.
Furthermore, an air volume adjusting valve is arranged on a pipeline connecting the fan and the belt type sludge dryer.
Further, a displacement detector is arranged near the feed inlet of the mud feeding funnel and connected with the PLC; the displacement detector monitors a signal of opening the feed port of the mud funnel and sends a PLC; the PLC receives a signal of opening the feed inlet of the mud funnel, and controls the rotating speed of the motor, the air quantity of the fan and the opening degree of the mud discharge port.
The utility model has the advantages of that:
the utility model discloses a nuclear power station hot process sea water desalination and sludge drying integrated device utilizes nuclear energy to bleed and carries out sea water desalination and sludge drying, and the mud volume after the mummification is less by 60%, reduces nuclear power plant silt outward transport expense by a wide margin, reduces the silt store yard; meanwhile, fresh water is recovered, and near zero emission of water treatment is realized; no additional heat source and cold source are needed, and the method is economical, safe and reliable.
Drawings
FIG. 1 is a schematic structural view of the integrated device for seawater desalination and sludge drying by thermal method of nuclear power plant of the present invention.
In the figure, 1, a belt type sludge drying apparatus; 2. a fan; 3. a heater; 4. a condenser; 5. an air volume adjusting valve; 6. a displacement detector; 7. a mud feeding funnel; 8. a PLC; 9. an electric motor.
Detailed Description
In the description of the present invention, it should be understood that the terms "left end", "right end", "above", "below", "outside", "inside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
Referring to fig. 1, the utility model provides a nuclear power station thermal method seawater desalination and sludge drying integrated device, which comprises a sludge feeding funnel 7, a belt type sludge drying device 1, a condenser 4, a heater 3 and a fan 2; the outlet of the sludge feeding funnel 7 is connected with the top of the belt type sludge drying device 1; an inlet of the condenser 4 is connected with the top of the belt type sludge drying device 1, liquid outlets of the heater 3 and the condenser 4 are both connected with the domestic water tank, a gas outlet of the condenser 4 is connected with an inlet of the heater 3, a gas outlet of the heater 3 is connected with an inlet of the fan 2, and an outlet of the fan 2 is connected with the bottom of the belt type sludge drying device 1.
Furthermore, a sludge discharge port is arranged at the bottom of the belt type sludge dryer 1 and is connected with a sludge collecting device.
Furthermore, the cold source of the condenser 4 is return water of a domestic water pump, the temperature of the return water of the domestic water pump is room temperature, and the flow of the return water of the domestic water pump is 25 t/h; after the cold source has condensed, the temperature rises by 5 ℃.
Further, the heat source of the heater 3 is nuclear energy low-temperature air extraction.
Further, the feed material of the mud feeding funnel 7 is seawater to be desalinated or seawater desalination pretreatment sludge; when the feed of the mud funnel 7 is the seawater to be desalinated, the heat source of the heater 3 is nuclear energy low-temperature air extraction at the temperature of 120-; when the feed material to the mud funnel 7 is the seawater desalination pretreatment mud, the heat source of the heater 3 is nuclear energy low-temperature air extraction with the temperature of 120-150 ℃ and the temperature of 2 t/h.
Further, in the belt type sludge dryer 1, the return air is 44-52 ℃, and the air supply is 60-70 ℃.
Further, the belt sludge dryer 1 comprises a transmission belt and a motor 9, and the power source of the transmission belt is the motor 9.
Further, the sludge feeding funnel 7, the belt type sludge drying device 1, the condenser 4, the heater 3 and the fan 2 are connected through a carbon steel pipe with the diameter of 200 mm.
Further, an air volume adjusting valve 5 is arranged on a pipeline connecting the fan 2 and the belt type sludge dryer 1.
Further, a displacement detector 6 is installed near a feed inlet of the mud feeding funnel 7, and the displacement detector 6 is connected with a PLC 8; the displacement detector monitors a signal of opening the feed inlet of the mud funnel 7 and sends a PLC 8; PLC receives the signal that the size was opened to mud funnel 7 feed inlet, the aperture of the rotational speed of control motor 9, the amount of wind size of fan 2 and mud discharge opening.
Use the utility model discloses a nuclear power station hot process sea water desalination and sludge drying integrated device carries out the sludge drying, comes from the sea water desalination preliminary treatment mud that folds spiral shell formula mud press water content 80%, through getting into driving belt for mud funnel 7, through the hot-blast dry back that sweeps, the dry mud sediment of production is discharged into mud sediment collection device through the mud discharge mouth, and the saturated humid air of production gets into condenser 4. The condenser 4 condenses the saturated wet air into dry air and condensed water (fresh water), the condensed water (fresh water) is recovered to the living water tank, and the dry air is heated into hot dry air by the heater 3. The hot dry air is sent into the belt type sludge dryer 1 by the fan to dry the wet sludge, and the whole process is circulated and reciprocated. Both the heater 3 and the condenser 4 are on the water-running side and the air-running side. The utility model discloses a nuclear power station heat method sea water desalination and sludge drying integrated device carries out the sludge drying, can dry 30 tons mud every day, retrieves 20 tons fresh water.
Example 2
Referring to fig. 1, the utility model provides a nuclear power station thermal method seawater desalination and sludge drying integrated device, which comprises a sludge feeding funnel 7, a belt type sludge drying device 1, a condenser 4, a heater 3 and a fan 2; the outlet of the sludge feeding funnel 7 is connected with the top of the belt type sludge drying device 1; an inlet of the condenser 4 is connected with the top of the belt type sludge drying device 1, liquid outlets of the heater 3 and the condenser 4 are both connected with the domestic water tank, a gas outlet of the condenser 4 is connected with an inlet of the heater 3, a gas outlet of the heater 3 is connected with an inlet of the fan 2, and an outlet of the fan 2 is connected with the bottom of the belt type sludge drying device 1.
Furthermore, a sludge discharge port is arranged at the bottom of the belt type sludge dryer and is connected with a sludge collection device.
Furthermore, the cold source of the condenser 4 is domestic water pump backwater, the temperature of the domestic water pump backwater is room temperature, and the flow of the domestic water pump backwater is 25 t/h; after the cold source has condensed, the temperature rises by 5 ℃.
Further, the heat source of the heater 3 is nuclear low-temperature air extraction.
Further, the feed of the mud feeding funnel 7 is the seawater to be desalinated; the heat source of the heater 3 is nuclear energy low-temperature air extraction with the temperature of 120 ℃ and 150 ℃ and the temperature of 20 t/h.
Furthermore, in the belt sludge dryer, the return air is 44-52 ℃ and the air supply is 60-70 ℃.
Further, the belt sludge dryer 1 comprises a transmission belt and a motor 9, and the power source of the transmission belt is the motor 9.
Furthermore, the sludge feeding funnel 7, the belt type sludge drying device 1, the condenser 4, the heater 3 and the fan 2 are connected through a carbon steel pipe with the diameter phi of 200 mm.
Further, an air volume adjusting valve 5 is arranged on a pipeline connecting the fan 2 and the belt type sludge dryer 1.
Further, a displacement detector 6 is arranged near a feed inlet of the mud feeding funnel 7 and is connected with a PLC 8; the displacement detector monitors a signal of opening the feed inlet of the mud funnel 7 and sends a PLC 8; PLC 8 receives the signal that the size was opened to mud funnel 7 feed inlet, the aperture of the rotational speed of control motor 9, the amount of wind size of fan 2 and mud discharge opening.
Use the utility model discloses a nuclear power station thermal method sea water desalination and sludge drying integrated device carries out nuclear power station thermal method sea water desalination, treats that the desalination sea water gets into belt sludge dryer 1 through giving mud funnel 7, produces saturated humid air and gets into condenser 4. The condenser 4 condenses the saturated wet air into dry air and condensed water (fresh water), the condensed water (fresh water) is recovered to the living water tank, and the dry air is heated into hot dry air by the heater 3. The hot dry air is sent into the belt type sludge dryer 1 by the fan to dry the seawater to be desalinated, and the whole process is circulated and repeated. Both the heater 3 and the condenser 4 are on the water-running side and the air-running side. The utility model discloses a nuclear power station thermal method sea water desalination and sludge drying integrated device carries out nuclear power station thermal method sea water desalination, the utility model discloses a nuclear power station thermal method sea water desalination device carries out sea water desalination simultaneously, recoverable 500 tons fresh water every day.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A nuclear power station thermal method seawater desalination and sludge drying integrated device is characterized by comprising a sludge feeding funnel (7), a belt type sludge drying device (1), a condenser (4), a heater (3) and a fan (2); the outlet of the sludge feeding funnel (7) is connected with the top of the belt type sludge drying device (1); the inlet of the condenser (4) is connected with the top of the belt type sludge drying device (1), the gas outlet of the condenser (4) is connected with the inlet of the heater (3), the gas outlet of the heater (3) is connected with the inlet of the fan (2), and the outlet of the fan (2) is connected with the bottom of the belt type sludge drying device (1).
2. The integrated device for seawater desalination and sludge drying by nuclear power plant thermal method according to claim 1, wherein liquid outlets of the heater (3) and the condenser (4) are connected with a domestic water tank.
3. The integrated device for seawater desalination and sludge drying by thermal method in nuclear power plant as claimed in claim 1, wherein the bottom of the belt type sludge dryer (1) is provided with a sludge discharge port.
4. The integrated device for seawater desalination and sludge drying by nuclear power plant thermal method according to claim 1, wherein the cold source of the condenser (4) is return water of a domestic water pump.
5. The integrated device for seawater desalination and sludge drying by thermal method in nuclear power plant as claimed in claim 1, wherein the heat source of the heater (3) is nuclear energy low temperature pumping.
6. The nuclear power plant thermal seawater desalination and sludge drying integrated device as defined in claim 5, wherein the feed material of the sludge feeding funnel (7) is seawater to be desalinated or seawater desalination pretreatment sludge; when the feed of the mud feeding funnel (7) is the seawater to be desalinated, the heat source of the heater (3) is nuclear energy low-temperature air extraction with the temperature of 120-150 ℃ and the temperature of 20 t/h; when the feed of the mud feeding funnel (7) is the seawater desalination pretreatment sludge, the heat source of the heater (3) is nuclear energy low-temperature air extraction at the temperature of 120-.
7. The integrated device for seawater desalination and sludge drying by the nuclear power plant thermal method according to claim 1, wherein the belt type sludge drying device (1) comprises a transmission belt and a motor (9), the power source of the transmission belt is the motor (9), and in the belt type sludge drying device (1), return air is 44-52 ℃ and air supply is 60-70 ℃.
8. The integrated device for seawater desalination and sludge drying by nuclear power plant thermal method according to any one of claims 1 to 7, characterized in that the connection among the sludge feeding funnel (7), the belt type sludge drying device (1), the condenser (4), the heater (3) and the fan (2) is connected through a pipeline.
9. The integrated device for seawater desalination and sludge drying by thermal method in nuclear power plant according to claim 8, characterized in that an air volume regulating valve is arranged on a pipeline connecting the fan (2) and the belt type sludge dryer (1).
10. The integrated device for seawater desalination and sludge drying by a nuclear power plant thermal method as defined in claim 1, wherein a displacement detector is installed near a feed port of the sludge feeding funnel (7), and the displacement detector is connected with a PLC; the displacement detector monitors a signal for opening the feed port of the mud funnel (7) and sends a PLC; the PLC receives a signal of opening the feed inlet of the mud funnel (7), and controls the rotating speed of the motor (9), the air quantity of the fan (2) and the opening degree of the mud discharge port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220382875.2U CN217051696U (en) | 2022-02-24 | 2022-02-24 | Nuclear power station hot method sea water desalination and sludge drying integrated device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220382875.2U CN217051696U (en) | 2022-02-24 | 2022-02-24 | Nuclear power station hot method sea water desalination and sludge drying integrated device |
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| CN217051696U true CN217051696U (en) | 2022-07-26 |
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| CN202220382875.2U Active CN217051696U (en) | 2022-02-24 | 2022-02-24 | Nuclear power station hot method sea water desalination and sludge drying integrated device |
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| CN (1) | CN217051696U (en) |
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