CN110803800A - Boiler blow-off water recovery processing device of thermal power factory - Google Patents
Boiler blow-off water recovery processing device of thermal power factory Download PDFInfo
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- CN110803800A CN110803800A CN201911138145.7A CN201911138145A CN110803800A CN 110803800 A CN110803800 A CN 110803800A CN 201911138145 A CN201911138145 A CN 201911138145A CN 110803800 A CN110803800 A CN 110803800A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/007—Modular design
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a boiler blow-down water recovery processing device of a thermal power plant, which comprises: a cooling device; a neutralization device; a flocculation device; a filtration device; a sewage discharge pipe; the water guide plate is provided with inclined water guide holes uniformly on the surface, a first through hole is formed in the center of the top of the surface of the water guide plate, and a second through hole is formed in the center of the surface of the water guide plate; according to the invention, the flow of sewage in the neutralization tank is blocked by the water guide plate, and then the sewage forms an upward inclined flow through the water guide inclined holes, so that the flow speed of the sewage can be reduced, the sewage can be guaranteed to be mixed with the sewage neutralization solution for enough time, and the sewage is prevented from directly flowing out from the bottom of the neutralization tank, thereby guaranteeing that the sewage can be mixed with the sewage neutralization solution after entering the neutralization tank, improving the quality of sewage neutralization treatment, accelerating the efficiency of sewage neutralization, and improving the overall efficiency of sewage treatment.
Description
Technical Field
The invention relates to the technical field of boiler sewage treatment of power plants, in particular to a boiler blow-down water recovery and treatment device of a thermal power plant.
Background
A thermal power plant, referred to as a thermal power plant for short, is a plant that produces electric energy using a combustible (e.g., coal) as a fuel; the basic production process is as follows: when the fuel is burnt, water is heated to generate steam, chemical energy of the fuel is converted into heat energy, the steam pressure pushes a steam turbine to rotate, the heat energy is converted into mechanical energy, and then the steam turbine drives a generator to rotate, so that the mechanical energy is converted into electric energy.
When coal is combusted in a power plant, a boiler is needed to be used, the boiler is energy conversion equipment, energy input to the boiler comprises chemical energy and electric energy in fuel, and the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy.
The boiler uses a period of time after, need wash the boiler, can produce a large amount of sewage when the boiler washs, for the water economy resource, need handle the sewage that washs the boiler production, then make the sewage after handling reuse, boiler sewage treatment's main procedure is neutralization and flocculation, but current boiler sewage treatment plant is carrying out the efficiency of sewage neutralization lower, can't be quick with boiler sewage neutralization to the treatment effeciency of boiler sewage has been reduced.
Disclosure of Invention
The invention aims to provide a boiler sewage recovery processing device of a thermal power plant, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a thermal power factory boiler blow-down water recovery processing apparatus, includes: a cooling device; the neutralizing device comprises a neutralizing tank, a first material conveying pipe, a first automatic control valve, a first material guiding pipe, a first spraying head, a first motor, a first rotating shaft and a first stirring rod, the first material conveying pipe is inserted in the center of the top of the neutralization box, a first automatic control valve is fixedly arranged on one side, close to the neutralization box, of the outer wall of the first material conveying pipe through a bolt, a first material guide pipe is fixedly arranged at the top of the inner wall of the neutralization box through a bolt, a first spray head is uniformly and threadedly arranged at the bottom of the outer wall of the first material guide pipe, a first rotating shaft is rotatably arranged at the center of the interior of the neutralization box, a first stirring rod is uniformly and fixedly arranged on the outer wall of the first rotating shaft through bolts, a first motor is fixedly installed at the center of one end of the neutralization box through a bolt, and the output end of the first motor penetrates through the neutralization box and is fixedly connected with the first rotating shaft; a flocculation device; a filtration device; a sewage discharge pipe; the water guide plate is provided with inclined water guide holes uniformly on the surface, a first through hole is formed in the center of the top of the surface of the water guide plate, and a second through hole is formed in the center of the surface of the water guide plate; the number of the water guide plates is five, the five water guide plates are fixedly arranged on one side, close to the first stirring rod, in the neutralization tank through bolts respectively, the first material guide pipe penetrates through the first through hole, and the first rotating shaft penetrates through the second through hole; the sewage discharge pipe penetrates through the cooling device, the cooling device is fixedly connected with the neutralizing device through the sewage discharge pipe, the neutralizing device is fixedly connected with the flocculating device through the sewage discharge pipe, and the flocculating device is fixedly connected with the filtering device through the sewage discharge pipe; and a rubber sealing ring is sleeved at the joint of the sewage discharge pipe and the neutralization box, and a rubber sealing ring is sleeved at the joint of the first material conveying pipe and the neutralization box.
Wherein, the heat sink includes insulation can, condenser pipe, inlet tube and outlet pipe, sewage discharge pipe runs through insulation can axle center department, the condenser pipe is the heliciform setting, the condenser pipe winding is in sewage discharge pipe outer wall is located the inside one side of insulation can, the inlet tube is pegged graft one side of insulation can bottom, the inlet tube is located the inside one end of insulation can with condenser pipe input end threaded connection, the outlet pipe is pegged graft one side at insulation can top, the outlet pipe is located the inside one end of insulation can with condenser pipe output end threaded connection.
The joint of the sewage discharge pipe and the heat insulation box is sleeved with a rubber sealing ring, and the joint of the heat insulation box, the water inlet pipe and the water outlet pipe is sleeved with a rubber sealing ring.
Wherein the first sprinkler head is positioned right above the first agitating bar.
The neutralizing device further comprises two first bearings, the two first bearings are respectively embedded in the centers of the two ends of the neutralizing box, the two ends of the first rotating shaft are inserted into the first bearings, and the first rotating shaft is rotatably connected with the first bearings.
Wherein the flocculation device comprises a flocculation box, a second material conveying pipe, a second self-control valve, a second material guiding pipe, a second spraying head, a second motor, a second rotating shaft and a second stirring rod, the second material conveying pipe is inserted in the center of the top of the flocculation box, a second automatic control valve is fixedly arranged on one side, close to the flocculation box, of the outer wall of the second material conveying pipe through bolts, a second material guide pipe is fixedly arranged at the top of the inner wall of the flocculation box through bolts, a second spraying head is uniformly and threadedly arranged at the bottom of the outer wall of the second material guide pipe, a second rotating shaft is rotatably arranged at the center of the inside of the flocculation box, a second stirring rod is uniformly and fixedly arranged on the outer wall of the second rotating shaft through bolts, the center department of flocculation case one end has the second motor through bolt fixed mounting, the second motor output run through the flocculation case with second pivot fixed connection.
The joint of the sewage discharge pipe and the flocculation box is sleeved with a rubber sealing ring, and the joint of the second conveying pipeline and the flocculation box is sleeved with a rubber sealing ring.
Wherein the second sprinkler head is positioned right above the second agitating bar.
The flocculation device further comprises two second bearings, the two second bearings are respectively embedded in the centers of the two ends of the flocculation box, the two ends of the second rotating shaft are inserted into the second bearings, and the second rotating shaft is in rotating connection with the second bearings.
Wherein, filter equipment includes rose box, primary filter screen and high efficiency filter screen, there is primary filter screen one side of rose box inside through bolt fixed mounting, there is high efficiency filter screen the inside opposite side of rose box through bolt fixed mounting.
Wherein, the joint of the sewage discharge pipe and the filter box is sleeved with a rubber sealing ring.
Compared with the prior art, the invention has the beneficial effects that:
the sewage neutralization liquid is conveyed into the first material guide pipe through the first material conveying pipe, then the neutralization liquid is uniformly sprayed in the sewage in the neutralization tank through the first spraying head, the first rotating shaft is driven to rotate through the first motor, then the first stirring rod is stirred in the neutralization tank along with the first rotating shaft, so that the neutralization liquid is uniformly mixed in the sewage, the flow of the sewage in the neutralization tank is blocked through the water guide plate, then the sewage forms an upward inclined flow through the water guide inclined hole, the flowing speed of the sewage can be reduced, the sewage can be ensured to be mixed with the sewage neutralization liquid for enough time, the sewage is prevented from directly flowing out from the bottom of the neutralization tank, the sewage can be ensured to be mixed with the sewage neutralization liquid after entering the neutralization tank, the quality of sewage neutralization treatment is improved, and the efficiency of sewage neutralization is improved, thereby improving the overall efficiency of sewage treatment.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of a cooling device according to the present invention;
FIG. 3 is a schematic cross-sectional view of a neutralization apparatus according to the present invention;
FIG. 4 is a schematic cross-sectional view of a flocculation apparatus of the present invention;
FIG. 5 is a schematic cross-sectional view of a filter device according to the present invention;
FIG. 6 is a schematic front view of a water deflector according to the present invention;
FIG. 7 is a schematic side sectional view of the water deflector of the present invention;
fig. 8 is an enlarged view of the part a in fig. 7.
In FIGS. 1-8: 10-a cooling device; 11-a heat preservation box; 12-a condenser tube; 13-water inlet pipe; 14-a water outlet pipe; 20-a neutralization device; 21-a neutralization tank; 22-a first delivery conduit; 23-a first self-controlled valve; 24-a first material guide pipe; 25-a first sprinkler head; 26-a first motor; 27-a first shaft; 28-a first stirring rod; 29-a first bearing; 30-a flocculation device; 31-a flocculation tank; 32-a second delivery pipe; 33-a second self-controlled valve; 34-a second material guide pipe; 35-a second sprinkler head; 36-a second motor; 37-a second shaft; 38-second stirring rod; 39-a second bearing; 40-a filtration device; 41-a filter box; 42-primary filter screen; 43-high efficiency filter screen; 50-a sewage discharge pipe; 60-a water deflector; 61-water guide inclined holes; 62-a first feedthrough hole; 63-second feedthrough hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Example 1: referring to fig. 1 and 2, fig. 1 is a schematic overall structure diagram of the present invention, and fig. 2 is a schematic cross-sectional structure diagram of a cooling device of the present invention.
In this embodiment, the present invention provides a technical solution: the utility model provides a thermal power factory boiler blow-down water recovery processing apparatus, includes: a temperature reduction device 10, a neutralization device 20, a flocculation device 30, a filtering device 40 and a sewage discharge pipe 50.
Wherein, the sewage discharge pipe 50 runs through the cooling device 10, the cooling device 10 is fixedly connected with the neutralizing device 20 through the sewage discharge pipe 50, the neutralizing device 20 is fixedly connected with the flocculating device 30 through the sewage discharge pipe 50, and the flocculating device 30 is fixedly connected with the filtering device 40 through the sewage discharge pipe 50.
Wherein, heat sink 10 includes insulation can 11, condenser pipe 12, inlet tube 13 and outlet pipe 14, sewage discharge pipe 50 runs through insulation can 11 axle center department, condenser pipe 12 is the heliciform setting, the winding of condenser pipe 12 is located insulation can 11 inside one side at sewage discharge pipe 50 outer wall, inlet tube 13 pegs graft in one side of insulation can 11 bottom, inlet tube 13 is located insulation can 11 inside one end and condenser pipe 12 input threaded connection, outlet pipe 14 pegs graft in one side at insulation can 11 top, outlet pipe 14 is located insulation can 11 inside one end and condenser pipe 12 output threaded connection.
Wherein, the sewage discharge pipe 50 at the input end of the insulation can 11 is fixedly connected with the sewage outlet of the boiler, and the sewage generated by the boiler is discharged through the sewage discharge pipe 50.
Wherein, the input of inlet tube 13 and water source fixed connection, the output of outlet pipe 14 and cold heat exchanger fixed connection, carry cold water in condenser pipe 12 through inlet tube 13 like this, then reduce the temperature of the inside sewage of sewage delivery pipe 50 through the inside cold water of condenser pipe 12 to make the inside cold water of condenser pipe 12 become hot, then carry cold heat exchanger through outlet pipe 14 with the water that becomes hot, thereby come out the heat conversion in the boiler sewage, make the heat obtain the reuse, practiced thrift the resource.
Wherein, the joint of the sewage discharge pipe 50 and the insulation can 11 is sleeved with a rubber sealing ring, and the joints of the insulation can 11, the water inlet pipe 13 and the water outlet pipe 14 are sleeved with rubber sealing rings; this increases the sealing property of the thermal insulation tank 11 and prevents the heat in the sewage inside the sewage discharge pipe 50 from being volatilized into the air.
In summary, the following steps: the sewage discharge pipe 50 at the input end of the insulation can 11 is fixedly connected with a sewage outlet of a boiler, the input end of the water inlet pipe 13 is fixedly connected with a water source, the output end of the water outlet pipe 14 is fixedly connected with a cold-heat exchanger, then the sewage generated by the boiler flows into the sewage discharge pipe 50, when the sewage flows into the sewage discharge pipe 50 in the insulation can 11, cold water is conveyed into the condensation pipe 12 through the water inlet pipe 13, then the temperature of the sewage in the sewage discharge pipe 50 is reduced through the cold water in the condensation pipe 12, the cold water in the condensation pipe 12 is heated, then the heated water is conveyed to the cold-heat exchanger through the water outlet pipe 14, thereby the heat in the sewage in the boiler is converted, the heat is reused, resources are saved, then the sewage after being cooled is conveyed into the neutralization device 20 through the sewage discharge pipe 50, and the sewage, then, the neutralized sewage is transported into the flocculation device 30 through the sewage discharge pipe 50, the flocculation reaction of the sewage is generated by the flocculation device 30, then the sewage after the flocculation reaction is transported into the filtering device 40 through the sewage discharge pipe 50, impurities in the sewage are filtered out through the filtering device 40, so that the sewage is treated completely, and then the treated sewage is discharged through the sewage discharge pipe 50.
Example 2: referring to fig. 1, 3, 6, 7 and 8, fig. 1 is a schematic view of an overall structure of the present invention, fig. 3 is a schematic view of a cross-sectional structure of a neutralization device of the present invention, fig. 6 is a schematic view of a front view of a water deflector of the present invention, fig. 7 is a schematic view of a cross-sectional structure of a side view of the water deflector of the present invention, and fig. 8 is an enlarged structural view of a portion a of fig. 7.
In this embodiment, the present invention provides a technical solution: the utility model provides a thermal power factory boiler blow-down water recovery processing apparatus, includes: the temperature reducing device 10, the neutralizing device 20, the flocculating device 30, the filtering device 40, the sewage discharge pipe 50 and the water guide plate 60.
Wherein, the sewage discharge pipe 50 runs through the cooling device 10, the cooling device 10 is fixedly connected with the neutralizing device 20 through the sewage discharge pipe 50, the neutralizing device 20 is fixedly connected with the flocculating device 30 through the sewage discharge pipe 50, and the flocculating device 30 is fixedly connected with the filtering device 40 through the sewage discharge pipe 50.
Wherein, the neutralization device 20 comprises a neutralization box 21, a first material conveying pipe 22, a first automatic control valve 23, a first material guiding pipe 24, a first spraying head 25, a first motor 26, a first rotating shaft 27 and a first stirring rod 28.
The first material conveying pipe 22 is inserted in the center of the top of the neutralization tank 21, a first automatic control valve 23 is fixedly mounted on one side, close to the neutralization tank 21, of the outer wall of the first material conveying pipe 22 through bolts, a first material guiding pipe 24 is fixedly mounted on the top of the inner wall of the neutralization tank 21 through bolts, a first spraying head 25 is uniformly installed at the bottom of the outer wall of the first material guiding pipe 24 through threads, a first rotating shaft 27 is rotatably installed at the center of the inside of the neutralization tank 21, a first stirring rod 28 is uniformly and fixedly mounted on the outer wall of the first rotating shaft 27 through bolts, a first motor 26 is fixedly installed at the center of one end of the neutralization tank 21 through bolts, and the output end of the first motor 26 penetrates through the neutralization tank 21 and is fixedly connected with the first rotating shaft 27.
Wherein, the one end of first conveying pipeline 22 keeping away from neutralization case 21 is connected with the output of neutralization liquid fixed connection to neutralization liquid is calcium hydroxide emulsion, because boiler sewage mainly contains a large amount of suspended solids, sulphate, sulphite and heavy metal, therefore uses calcium hydroxide emulsion can be with sulphate and sulphite neutralization in the sewage.
Wherein the first sprinkler head 25 is positioned right above the first stirring rod 28; so that the first spray head 25 can uniformly spray the neutralizing liquid right above the first agitating bar 28, and then the neutralizing liquid can be uniformly mixed in the sewage by the first agitating bar 28.
Wherein, the joint of the sewage discharge pipe 50 and the neutralization tank 21 is sleeved with a rubber sealing ring, and the joint of the first material conveying pipe 22 and the neutralization tank 21 is sleeved with a rubber sealing ring; this increases the sealability of the neutralization tank 21 and prevents the water permeation phenomenon of the neutralization tank 21.
Wherein, the neutralizing device 20 further comprises two first bearings 29, and the two first bearings 29 are respectively embedded in the centers of the two ends of the neutralizing box 21.
Wherein, the both ends of first pivot 27 are pegged graft inside first bearing 29, and first pivot 27 rotates with first bearing 29 and is connected, cooperates first pivot 27 work through first bearing 29, prevents that first pivot 27 from taking place the slope at the pivoted in-process.
The surface of the water guide plate 60 is uniformly provided with water guide inclined holes 61, the center of the top of the surface of the water guide plate 60 is provided with a first through hole 62, and the center of the surface of the water guide plate 60 is provided with a second through hole 63.
The five water guide plates 60 are fixedly mounted on one side of the interior of the neutralization tank 21 close to the first stirring rod 28 through bolts, the first material guide pipe 24 penetrates through the first insertion hole 62, and the first rotating shaft 27 penetrates through the second insertion hole 63.
The whole water guide plate 60 is of a rectangular parallelepiped plate-shaped structure, and the sectional dimension of the water guide plate 60 is the same as the sectional dimension of the inside of the neutralization tank 21.
Further, the water guide plate 60 is arranged at the front end of the first stirring rod 28, the flowing of sewage can be separated through the water guide plate 60, and then the sewage flows forwards through the water guide inclined holes 61, so that the flowing speed of the sewage is reduced, the retention time of the sewage in the neutralization tank 21 is prolonged, the sewage can be mixed with the sewage neutralization liquid within enough time, and the quality of sewage neutralization treatment is improved.
Wherein, water guide inclined hole 61 is 60 inclination, and the water inlet of water guide inclined hole 61 is less than the delivery port, when sewage flows through water guide inclined hole 61, sewage flows in through the water inlet of water guide inclined hole 61, then the delivery port through water guide inclined hole 61 is discharged, change the flow direction of sewage through water guide inclined hole 61, thereby avoided sewage from the bottom direct outflow of neutralization case 21, thereby guaranteed that sewage can both mix with sewage neutralization solution after entering neutralization case 21 inside, the quality of sewage neutralization treatment has been improved.
The inner diameter of the first insertion hole 62 is larger than the outer diameter of the first material guiding pipe 24, and the first material guiding pipe 24 penetrates through the first insertion hole 62, so that the water guide plate 60 can completely block sewage.
Wherein, the internal diameter size of second poling hole 63 is greater than the external diameter size of first pivot 27, and first pivot 27 runs through second poling hole 63, and when first pivot 27 rotated, first pivot 27 can not contact with water deflector 60, had avoided water deflector 60 to produce the influence to first pivot 27 to the rotation that first pivot 27 can be normal has been guaranteed.
In summary, the following steps: after the sewage is cooled by the cooling device 10, the cooled sewage is conveyed into the neutralization tank 21 through the sewage discharge pipe 50, the flow of the sewage in the neutralization tank 21 is blocked by the water guide plate 60, and then the sewage forms an upward inclined flow through the water guide inclined holes 61, so that the flow speed of the sewage can be reduced, the sewage can be mixed with the sewage neutralization solution within enough time, the sewage is prevented from directly flowing out from the bottom of the neutralization tank 21, the sewage can be mixed with the sewage neutralization solution after entering the neutralization tank 21, the quality of sewage neutralization treatment is improved, the sewage neutralization solution is conveyed into the first material guide pipe 24 through the first material conveying pipe 22, then the neutralization solution is uniformly sprayed into the sewage in the neutralization tank 21 through the first spraying head 25, and the first rotating shaft 27 is driven to rotate by the first motor 26, then the first stirring rod 28 is stirred in the neutralizing tank 21 along with the first rotating shaft 27, thereby uniformly mixing the neutralizing solution in the sewage, thereby neutralizing sulfate and sulfite in the sewage, thus accelerating the efficiency of sewage neutralization, thereby improving the overall efficiency of sewage treatment, then conveying the neutralized sewage into the flocculation device 30 through the sewage discharge pipe 50, causing the sewage to generate flocculation reaction through the flocculation device 30, then conveying the sewage after generating the flocculation reaction into the filtering device 40 through the sewage discharge pipe 50, filtering impurities in the sewage through the filtering device 40, thereby treating the sewage cleanly, and then discharging the treated sewage through the sewage discharge pipe 50.
Example 3: referring to fig. 1 and 4, fig. 1 is a schematic view of the overall structure of the present invention, and fig. 4 is a schematic view of the cross-sectional structure of the flocculation apparatus of the present invention.
In this embodiment, the present invention provides a technical solution: the utility model provides a thermal power factory boiler blow-down water recovery processing apparatus, includes: a temperature reduction device 10, a neutralization device 20, a flocculation device 30, a filtering device 40 and a sewage discharge pipe 50.
Wherein, the sewage discharge pipe 50 runs through the cooling device 10, the cooling device 10 is fixedly connected with the neutralizing device 20 through the sewage discharge pipe 50, the neutralizing device 20 is fixedly connected with the flocculating device 30 through the sewage discharge pipe 50, and the flocculating device 30 is fixedly connected with the filtering device 40 through the sewage discharge pipe 50.
The flocculation device 30 includes a flocculation tank 31, a second feed pipe 32, a second automatic control valve 33, a second feed pipe 34, a second spraying head 35, a second motor 36, a second rotating shaft 37 and a second stirring rod 38.
Wherein, the center department at flocculation case 31 top is pegged graft to second conveying pipeline 32, there is the second automatic control valve 33 one side that the outer wall of second conveying pipeline 32 is close to flocculation case 31 through bolt fixed mounting, there is second passage 34 at the top of flocculation case 31 inner wall through bolt fixed mounting, the even screw thread in bottom of the outer wall of second passage 34 installs second sprinkler head 35, the inside center department of flocculation case 31 rotates and installs second pivot 37, there is the second puddler 38 second pivot 37 outer wall through the even fixed mounting of bolt, there is second motor 36 at the center department of flocculation case 31 one end through bolt fixed mounting, the output of second motor 36 runs through flocculation case 31 and second pivot 37 fixed connection.
Wherein, the one end that flocculation case 31 was kept away from to second conveying pipeline 32 and the output fixed connection of flocculating agent, because contain a large amount of suspended solids and heavy metal in the sewage, through adding the flocculating agent to sewage, can make suspended solids and heavy metal deposit to made things convenient for and filtered suspended solids and heavy metal.
Wherein the second sprinkler head 35 is positioned right above the second stirring rod 38; the second sprinkler head 35 can evenly spray the flocculating agent right above the second stirring rod 38, and then the flocculating agent can be evenly mixed in the sewage through the second stirring rod 38.
Wherein, the joint of the sewage discharge pipe 50 and the flocculation tank 31 is sleeved with a rubber sealing ring, and the joint of the second material conveying pipe 32 and the flocculation tank 31 is sleeved with a rubber sealing ring; thus, the sealing performance of the flocculation tank 31 is improved, and the water seepage phenomenon of the flocculation tank 31 is prevented.
Wherein, the flocculation device 30 still includes second bearing 39, and second bearing 39 is provided with two, and two second bearings 39 inlay respectively in the center department at flocculation case 31 both ends.
Two ends of the second rotating shaft 37 are inserted into the second bearing 39, and the second rotating shaft 37 is rotatably connected with the second bearing 39; the second shaft 37 is prevented from tilting during rotation by the second bearing 39 working in cooperation with the second shaft 37.
In summary, the following steps: after the sewage is neutralized and treated by the neutralization device 20, the neutralized sewage is then transported to the inside of the flocculation tank 31 through the sewage discharge pipe 50, and simultaneously the flocculant is transported to the inside of the second guide pipe 34 through the second feed pipe 32, then the flocculating agent is uniformly sprayed in the sewage in the flocculation tank 31 through the second spraying head 35, meanwhile, the second rotating shaft 37 is driven to rotate through the second motor 36, then the second stirring rod 38 is stirred in the flocculation tank 31 along with the second rotating shaft 37, the flocculating agent is uniformly mixed in the sewage through the second stirring rod 38, thereby accelerating the sedimentation of suspended matters and heavy metals in the sewage, then the sewage after flocculation reaction is conveyed into the filtering device 40 through the sewage discharge pipe 50, the impurities in the sewage are filtered out through the filtering device 40, thereby treating the sewage cleanly and then discharging the treated sewage through the sewage discharge pipe 50.
Example 4: referring to fig. 1 and 5, fig. 1 is a schematic view of the overall structure of the present invention, and fig. 5 is a schematic view of a cross-sectional structure of the filtering apparatus of the present invention.
In this embodiment, the present invention provides a technical solution: the utility model provides a thermal power factory boiler blow-down water recovery processing apparatus, includes: a temperature reduction device 10, a neutralization device 20, a flocculation device 30, a filtering device 40 and a sewage discharge pipe 50.
Wherein, the sewage discharge pipe 50 runs through the cooling device 10, the cooling device 10 is fixedly connected with the neutralizing device 20 through the sewage discharge pipe 50, the neutralizing device 20 is fixedly connected with the flocculating device 30 through the sewage discharge pipe 50, and the flocculating device 30 is fixedly connected with the filtering device 40 through the sewage discharge pipe 50.
Wherein, the filtering device 40 comprises a filtering box 41, a primary filter screen 42 and a high-efficiency filter screen 43.
Wherein, the inside one side of rose box 41 is through bolt fixed mounting with primary filter screen 42, and the inside opposite side of rose box 41 is through bolt fixed mounting with high efficiency filter screen 43.
Wherein, the primary filter 42 is a plate-type primary filter, and dust particles with a size of more than 5 μm in the sewage can be filtered out by the primary filter 35.
Wherein, high-efficient filter screen 43 adopts the high efficiency to have the baffle filter, can filter the suspended particles below 0.3um in the sewage through high-efficient filter screen 36.
Wherein, can filter impurity, suspended solid and heavy metal precipitate in the sewage through the cooperation of primary filter screen 42 and high-efficient filter screen 43.
Wherein, the joint of the sewage discharge pipe 50 and the filter tank 41 is sleeved with a rubber sealing ring; thus, the tightness of the filter box 41 is increased, and the water seepage phenomenon of the filter box 41 is prevented.
In summary, the following steps: after sewage produced flocculation reaction in flocculation device 30, carry filter tank 41 with sewage in through sewage discharge pipe 50, then can filter impurity, suspended solid and heavy metal precipitate in the sewage through the cooperation of just imitating filter screen 42 and high efficiency filter screen 43 to it is clean with sewage treatment, then through the log raft play after sewage discharge pipe 50 will handle.
The working principle is as follows: the sewage discharge pipe 50 at the input end of the insulation box 11 is fixedly connected with a sewage outlet of a boiler, the input end of the water inlet pipe 13 is fixedly connected with a water source, the output end of the water outlet pipe 14 is fixedly connected with a cold-heat exchanger, then the sewage generated by the boiler flows into the sewage discharge pipe 50, when the sewage flows into the sewage discharge pipe 50 in the insulation box 11, cold water is conveyed into the condensation pipe 12 through the water inlet pipe 13, then the temperature of the sewage in the sewage discharge pipe 50 is reduced through the cold water in the condensation pipe 12, the cold water in the condensation pipe 12 is heated, then the heated water is conveyed into the cold-heat exchanger through the water outlet pipe 14, thereby the heat in the sewage in the boiler is converted, the heat is reused, resources are saved, then the cooled sewage is conveyed into the neutralization box 21 through the sewage discharge pipe 50, and simultaneously the neutralization liquid in the sewage is conveyed into the first material guide pipe, then, the neutralization solution is uniformly sprayed in the sewage inside the neutralization tank 21 through the first spray head 25, and the first rotating shaft 27 is driven to rotate by the first motor 26, and then the first stirring rod 28 is stirred in the neutralization tank 21 along with the first rotating shaft 27, so that the neutralization solution is uniformly mixed in the sewage, thereby neutralizing sulfate and sulfite in the sewage, thus increasing the efficiency of sewage neutralization, and thus improving the overall efficiency of sewage treatment, and then the neutralized sewage is conveyed to the inside of the flocculation tank 31 through the sewage discharge pipe 50, and simultaneously the flocculant is conveyed to the inside of the second guide pipe 34 through the second conveying pipe 32, and then the flocculant is uniformly sprayed in the sewage inside the flocculation tank 31 through the second spray head 35, and simultaneously the second rotating shaft 37 is driven to rotate by the second motor 36, and then the second stirring rod 38 is stirred in the inside the flocculation tank 31 along with the second rotating shaft 37, through the even mixture of second puddler 38 with the flocculating agent in the sewage, thereby accelerate the sediment of the suspended solid in the sewage and heavy metal, carry filter box 41 with sewage through sewage discharge pipe 50 in after, then can filter the impurity in the sewage through the cooperation of just imitating filter screen 42 and high efficiency filter screen 43, suspended solid and heavy metal precipitate are filtered, thereby it is clean with sewage treatment, then the log raft after will handling through sewage discharge pipe 50 discharges, the treatment effeciency of sewage has been accelerated like this, and the treatment quality of sewage is provided.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a thermal power factory boiler blow-down water recovery processing apparatus which characterized in that includes:
a cooling device (10);
the neutralizing device (20), the neutralizing device (20) comprises a neutralizing tank (21), a first conveying pipe (22), a first automatic control valve (23), a first material guide pipe (24), a first spraying head (25), a first motor (26), a first rotating shaft (27) and a first stirring rod (28), the first conveying pipe (22) is inserted in the center of the top of the neutralizing tank (21), the first automatic control valve (23) is fixedly installed on one side, close to the neutralizing tank (21), of the outer wall of the first conveying pipe (22), the first material guide pipe (24) is fixedly installed on the top of the inner wall of the neutralizing tank (21) through bolts, the first spraying head (25) is installed on the bottom of the outer wall of the first material guide pipe (24) in an even threaded mode, the first rotating shaft (27) is rotatably installed at the center of the interior of the neutralizing tank (21), and the first stirring rod (28) is fixedly installed on the outer wall of the first rotating shaft (27) through bolts, a first motor (26) is fixedly installed at the center of one end of the neutralization box (21) through a bolt, and the output end of the first motor (26) penetrates through the neutralization box (21) and is fixedly connected with the first rotating shaft (27);
a flocculation device (30);
a filtering device (40);
a sewage discharge pipe (50);
the water guide plate (60) is provided with water guide inclined holes (61) uniformly on the surface of the water guide plate (60), a first through hole (62) is formed in the center of the top of the surface of the water guide plate (60), and a second through hole (63) is formed in the center of the surface of the water guide plate (60);
the number of the water guide plates (60) is five, the five water guide plates (60) are fixedly mounted on one side, close to the first stirring rod (28), in the neutralization tank (21) through bolts, the first material guide pipe (24) penetrates through the first through hole (62), and the first rotating shaft (27) penetrates through the second through hole (63);
the sewage discharge pipe (50) penetrates through the temperature reduction device (10), the temperature reduction device (10) is fixedly connected with the neutralization device (20) through the sewage discharge pipe (50), the neutralization device (20) is fixedly connected with the flocculation device (30) through the sewage discharge pipe (50), and the flocculation device (30) is fixedly connected with the filtering device (40) through the sewage discharge pipe (50);
the joint of the sewage discharge pipe (50) and the neutralization tank (21) is sleeved with a rubber sealing ring, and the joint of the first conveying pipeline (22) and the neutralization tank (21) is sleeved with a rubber sealing ring.
2. The boiler blow-down water recovery and treatment device of a thermal power plant according to claim 1, comprising:
the cooling device (10) comprises an insulation box (11), a condensation pipe (12), a water inlet pipe (13) and a water outlet pipe (14), wherein a sewage discharge pipe (50) penetrates through the axis of the insulation box (11), the condensation pipe (12) is spirally arranged, the outer wall of the sewage discharge pipe (50) is located on one side of the inside of the insulation box (11), the water inlet pipe (13) is connected to one side of the bottom of the insulation box (11) in an inserting mode, the water inlet pipe (13) is located at one end of the inside of the insulation box (11) and in threaded connection with the input end of the condensation pipe (12), the water outlet pipe (14) is connected to one side of the top of the insulation box (11) in an inserting mode, and the water outlet pipe (14) is located at one end of the inside of the insulation box (11) and in threaded connection with the.
3. The boiler blow-down water recovery and treatment device of a thermal power plant according to claim 2, comprising:
the joint of the sewage discharge pipe (50) and the heat insulation box (11) is sleeved with a rubber sealing ring, and the joint of the heat insulation box (11) and the water inlet pipe (13) and the water outlet pipe (14) is sleeved with a rubber sealing ring.
4. The thermal power plant boiler blow-down water recovery processing device according to claim 3, characterized by comprising:
the first sprinkler head (25) is located directly above the first agitator bar (28).
5. The thermal power plant boiler blow-down water recovery processing device according to claim 4, characterized by comprising:
the neutralization apparatus (20) further comprises two first bearings (29), the two first bearings (29) are respectively embedded in the centers of the two ends of the neutralization box (21), the two ends of the first rotating shaft (27) are inserted into the first bearings (29), and the first rotating shaft (27) is rotatably connected with the first bearings (29).
6. The thermal power plant boiler blow-down water recovery processing device according to claim 5, characterized by comprising:
the flocculation device (30) comprises a flocculation box (31), a second conveying pipe (32), a second automatic control valve (33), a second guide pipe (34), a second spraying head (35), a second motor (36), a second rotating shaft (37) and a second stirring rod (38), wherein the second conveying pipe (32) is inserted in the center of the top of the flocculation box (31), the second automatic control valve (33) is fixedly installed on one side, close to the flocculation box (31), of the outer wall of the second conveying pipe (32), the top of the inner wall of the flocculation box (31) is fixedly provided with the second guide pipe (34) through bolts, the second spraying head (35) is installed on the bottom uniform thread of the outer wall of the second guide pipe (34), the second rotating shaft (37) is rotatably installed at the center of the inside of the flocculation box (31), the outer wall of the second rotating shaft (37) is fixedly provided with the second stirring rod (38) through bolts, the center department of flocculation case (31) one end has second motor (36) through bolt fixed mounting, second motor (36) output run through flocculation case (31) with second pivot (37) fixed connection.
7. The thermal power plant boiler blow-down water recovery processing device according to claim 6, characterized by comprising:
the joint of the sewage discharge pipe (50) and the flocculation tank (31) is sleeved with a rubber sealing ring, and the joint of the second conveying pipeline (32) and the flocculation tank (31) is sleeved with a rubber sealing ring.
8. The boiler blow-down water recovery and treatment device of a thermal power plant according to claim 7, comprising:
the second sprinkler head (35) is located directly above the second agitator arm (38).
9. The boiler blow-down water recovery and treatment device of a thermal power plant according to claim 8, comprising:
the flocculation device (30) further comprises two second bearings (39), the two second bearings (39) are respectively embedded in the centers of the two ends of the flocculation box (31), the two ends of the second rotating shaft (37) are inserted into the second bearings (39), and the second rotating shaft (37) is rotatably connected with the second bearings (39).
10. The boiler blow-down water recovery and treatment device of a thermal power plant according to claim 9, comprising:
the filter device (40) comprises a filter box (41), a primary filter screen (42) and a high-efficiency filter screen (43), wherein the primary filter screen (42) is fixedly installed on one side inside the filter box (41) through bolts, and the high-efficiency filter screen (43) is fixedly installed on the other side inside the filter box (41) through bolts;
wherein, a rubber sealing ring is sleeved at the joint of the sewage discharge pipe (50) and the filter box (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911138145.7A CN110803800A (en) | 2019-11-20 | 2019-11-20 | Boiler blow-off water recovery processing device of thermal power factory |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911138145.7A CN110803800A (en) | 2019-11-20 | 2019-11-20 | Boiler blow-off water recovery processing device of thermal power factory |
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| CN110803800A true CN110803800A (en) | 2020-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911138145.7A Pending CN110803800A (en) | 2019-11-20 | 2019-11-20 | Boiler blow-off water recovery processing device of thermal power factory |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112607895A (en) * | 2020-11-24 | 2021-04-06 | 南京伯恩哈德新能源研究院有限公司 | Sweet sorghum fuel ethanol wastewater circulation bioreactor and use method thereof |
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| CN201313859Y (en) * | 2008-09-08 | 2009-09-23 | 北京博奇电力科技有限公司 | Trilogy header for wastewater treatment |
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Application publication date: 20200218 |