CN109351032B - Circulating water blowdown water treatment system of thermal power plant - Google Patents
Circulating water blowdown water treatment system of thermal power plant Download PDFInfo
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- CN109351032B CN109351032B CN201811350286.0A CN201811350286A CN109351032B CN 109351032 B CN109351032 B CN 109351032B CN 201811350286 A CN201811350286 A CN 201811350286A CN 109351032 B CN109351032 B CN 109351032B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
- B01D33/015—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with flat filtering elements
- B01D33/0183—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with flat filtering elements supported
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/056—Construction of filtering bands or supporting belts, e.g. devices for centering, mounting or sealing the filtering bands or the supporting belts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
- B01D33/76—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes
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Abstract
The invention belongs to the technical field of sewage treatment, and particularly relates to a circulating water sewage treatment system of a thermal power plant; the sewage treatment device comprises a frame, a water outlet pipe, a sewage treatment tank, a slag storage tank positioned on one side of the sewage treatment tank and a fishing module fixed between the sewage treatment tank and the slag storage tank; the water outlet pipe is positioned at the upper part of the sewage treatment tank, is fixed on the rack and is used for spraying sewage to the fishing module; the salvaging module is fixed on the rack and is used for salvaging suspended matters floating in the sewage treatment tank and conveying the suspended matters into the slag storage tank; according to the invention, sewage is sprayed on the salvage module above the sewage treatment tank through the water outlet pipe, suspended matters in the sewage are filtered by the filter plate and are left on the filter plate, and the filter plate rotates along with the rotating belt to dump the suspended matters into the slag storage tank, so that the cleaning of the suspended matters in the sewage is realized; the invention has simple structure and high sewage treatment efficiency, and the treated sewage can be recycled.
Description
Technical Field
The invention belongs to the technical field of sewage treatment, and particularly relates to a circulating water sewage treatment system of a thermal power plant.
Background
The thermal power plant is a large household for industrial water and also a large household for waste water discharge. Under the condition of current water resource shortage, partial cities begin to reduce the supply of tap water to thermal power plants or limit the access of the tap water to underground water, so in order to ensure the safety of units and the requirements of water use and reduce environmental pollution, the power plants begin to use the reclaimed water of the cities as boiler make-up water after advanced treatment. The circulating water sewage is the main water consumption part of the thermal power plant, and the sewage reuse is one of effective ways for relieving the water resource crisis and protecting the water environment.
In thermal power's coal conveying system working process, need to transport materials such as coal carbon, material such as coal has a large amount of dusts to fly upward in the transportation, generally need the clear water to get rid of these dusts, though the sewage that discharges has passed through the sedimentation tank after these washs deposits, suspended solid content such as buggy in the sewage is still very high, and this type of waste water, as long as clear up most suspended solid in the clear water, just can recycle, can the water economy resource, the environmental protection, simultaneously, if with equipment to sewage treatment inefficiency, then sewage will need to occupy local temporary storage, the land resource of extravagant power plant.
Disclosure of Invention
In order to make up the defects of the prior art, the invention provides a thermal power plant circulating water sewage treatment system, aiming at quickly salvaging suspended matters in sewage and enabling the sewage to be continuously recycled after being purified.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a thermal power plant circulating water sewage disposal system which comprises a frame, a water outlet pipe, a sewage treatment tank, a slag storage tank positioned on one side of the sewage treatment tank and a fishing module fixed between the sewage treatment tank and the slag storage tank, wherein the water outlet pipe is connected with the sewage treatment tank; the water outlet pipe is positioned at the upper part of the sewage treatment tank, is fixed on the rack and is used for spraying sewage to the fishing module; the salvaging module is fixed on the rack and is used for salvaging suspended matters floating in the sewage treatment tank and conveying the suspended matters into the slag storage tank; wherein the content of the first and second substances,
the salvaging module comprises a rotating belt which is obliquely arranged, a plurality of filter plates which are hinged on the rotating belt, a limiting block, a first elastic air bag which is fixed at the corner between the rotating belt and the filter plates, and a stop block which is positioned above the slag storage pool and is adjacent to the filter plates; the lower end of the rotating belt is positioned in the sewage treatment tank, the upper end of the rotating belt is positioned above the slag storage tank, and the rotating belt comprises a rubber belt and filter screen belts which are alternately arranged with the rubber belt; the filter plate comprises a hard plate and an elastic plate fixedly connected with one end of the hard plate, an included angle between the filter plate and a rotating belt which inclines towards the sewage treatment tank is an acute angle, and the filter plate is used for filtering out suspended matters in the sewage; the other end of the hard plate is hinged on the rubber belt; the limiting block is positioned on one side of the hard plate of the filter plate hinged with the rubber belt and used for limiting the angle between the filter plate and the rotating belt, so that the included angle between the filter plate and the rotating belt is larger than 30 degrees; the stop block is used for stopping the filter plate, so that the filter plate generates elastic deformation and collapses suspended matters; the first elastic air bag is fixedly connected with the rubber belt, an air pipe communicated with the first elastic air bag is arranged on the first elastic air bag, the air pipe penetrates through the end part of the hard plate and the opening of the air pipe faces the elastic plate at one end of the filter plate, and the first elastic air bag is extruded by the filter plate and then blows air to the filter plate through the air pipe, so that suspended matters on the filter plate fall into the residue storage tank. When the sewage treatment device works, sewage is sprayed on the fishing module above the sewage treatment tank through the water outlet pipe, the sewage flows into the sewage treatment tank through the filter plate and the filter screen belt, suspended matters in the sewage are filtered by the filter plate and are remained on the filter plate, the filter plate rotates along with the rotating belt to dump the suspended matters into the slag storage tank, the filter plate firstly passes through the stop block in the dumping process, the filter plate is extruded by the stop block to store force, and after the filter plate is separated from the stop block, the filter plate is stretched out instantly to enable the suspended matters on the filter plate to fall into the slag storage tank, so that the filter plate can dump the suspended matters smoothly; simultaneously, will extrude an elastic air bag after the filter plate stretches out in the twinkling of an eye, an elastic air bag is blown to the filter plate through the trachea after receiving the filter plate extrusion, makes the suspended solid on the filter plate take off to deposit in the sediment pond to make the suspended solid on the filter plate topple over totally, improved the efficiency of salvaging the module suspended solid, realize the rapid treatment of system to sewage.
Furthermore, the filter plate is provided with a push plate in sliding connection with the upper surface of the filter plate and a return spring for connecting the push plate and the rotating belt, and the push plate is thrown to the edge of the filter plate in the moment after the filter plate passes through the stop block. When the filter plate is stretched out instantly after being separated from the stop block, the push plate on the filter plate is thrown to the edge of the filter plate under the action of centrifugal force, the push plate pushes out suspended matters filtered by the filter plate, so that the suspended matters fall into the slag storage tank, and when the centrifugal force applied to the push plate is reduced, the push plate is reset under the action of the reset spring; the push plate is with the suspended solid on the filter plate to deposit the sediment pond in, improved the throughput of salvaging the module to the suspended solid, be favorable to improving the system to the treatment effeciency of sewage.
Further, the push plate is provided with an air hole; the pipe orifice at one end of the air pipe is fixedly connected with the air hole, the other end of the air pipe is provided with a blocking block, the end part of the air pipe is provided with an elastic connecting part, the air pipe is connected with the first elastic air bag through the elastic connecting part, and the length of the air pipe on the filter plate is shorter than the inclined length of the filter plate; a rigid inclined plate is arranged between the blocking block and the inner wall of the air pipe; the blocking block is connected with the inner wall of the air pipe through a rigid inclined plate and is used for blocking a hole for communicating the air pipe with the first elastic air bag; the first elastic air bag is provided with a plurality of one-way air inlets, and elastic membranes are fixed on the inner wall of the first elastic air bag at the one-way air inlets. When the filter plate is in work, after the elastic air bag I is pressed and relaxed, unidirectional air inlet is performed through the unidirectional air inlet hole fixed with the elastic membrane, when the push plate slides to the edge of the filter plate along the filter plate, the air pipe is straightened when the push plate does not reach the edge of the filter plate, the filter plate also starts to flap the elastic air bag I, the elastic air bag I starts to be pressed, the end part of the air pipe is connected with the elastic air bag I through the elastic connecting part, so that in the process of continuing to bear force after the air pipe is straightened, the blocking block is separated from the hole formed by the air pipe and the elastic air bag I, the air pipe is communicated with the elastic air bag I at the moment, the air pipe blows the suspended matters suddenly due to the communication of the air pipe and the elastic air bag I, the unidirectional air bag is in a closed state, the suspended matters pushed by the air inlet, the treatment capacity of the salvaging module to suspended matters is improved, and the treatment efficiency of the system to sewage is improved.
Furthermore, a second elastic air bag is arranged beside the first elastic air bag; no. two gasbags are located between No. one gasbag and the filter plate, are provided with the apopore of slope orientation filter plate on No. two gasbags. The during operation, No. two elastic air bag is soaked into water when getting into the aquatic, when No. two elastic air bag break away from sewage, partial sewage leaks down, thereby it has gas to make No. two elastic air bag have water in, stretch out and extrude No. two elastic air bag in the twinkling of an eye because of the filter plate, thereby make No. two elastic air bag blow the filter plate from the filter plate below and blow water, gas permeates the filter plate with water and assaults on the suspended solid, make the adhesion of suspended solid and filter plate reduce, have to slide the lubricated effect of play to the push pedal on the one hand, on the other hand, water and gas can wash the suspended solid on the filter plate, be favorable to the suspended solid on the filter plate to be cleared up totally, be favorable to improving the throughput of system to sewage.
A sewage backflow groove is arranged between the sewage treatment tank and the slag storage tank; the sewage in the sewage backflow tank can flow back to the sewage treatment tank, and a rotating windmill is arranged between the sewage backflow tank and the slag storage tank; one half of the rotating windmill is positioned above the slag storage tank, the other half of the rotating windmill is positioned above the sewage backflow groove, the half of the rotating windmill positioned above the sewage backflow groove is positioned right below the joint of the stop block and the rotating belt, and the rotating windmill comprises a windmill blade; the car blades are fully distributed with pinholes. During operation, suspended solids on the filter plate are poured onto the car blades of the rotating windmill, a small amount of water falling from the filter plate together with the suspended solids penetrates through the car blades and falls into the sewage backflow pool, the rotating windmill can be driven by a power source, and the suspended solids are thrown into the slag storage pool along with the rotation of the rotating windmill, so that the moisture in the suspended solids is reduced, the separation of the suspended solids from sewage is facilitated, and the sewage treatment capacity of the system is improved.
Furthermore, the stop block is an elastic air bag III; the lower end of the elastic air bag III is provided with an air blowing pipe which is inclined towards the turning vanes; and the air blowing pipe is communicated with the elastic air bag III and is used for blowing air to the rotating windmill so as to enable the rotating windmill to rotate clockwise to the slag storage pool. The during operation, the filter plate is patted on the dog, be three because of the filter plate is elastic air bag, will make elastic air bag three by compression deformation, thereby make three interior gas of elastic air bag blow to the car blade through the gas blow pipe, on the one hand, the gas blow pipe can make the suspended solid break away from the car blade and fall to depositing the sediment pond to the car blade blowing, on the other hand, the gas blow pipe blows to the car blade, be favorable to improving the slew velocity who rotates the windmill, make the suspended solid on the rotation windmill receive bigger centrifugal force, be favorable to the suspended solid to break away from with the rotation windmill.
The invention has the following beneficial effects:
1. according to the invention, sewage is sprayed on the salvage module above the sewage treatment tank through the water outlet pipe, suspended matters in the sewage are filtered by the filter plate and are left on the filter plate, and the filter plate rotates along with the rotating belt to dump the suspended matters into the slag storage tank, so that the cleaning of the suspended matters in the sewage is realized; the invention has simple structure and high sewage treatment efficiency, and the treated sewage can be recycled.
2. In the process of pouring suspended matters by using the filter plate, the filter plate is instantly stretched out to enable the suspended matters on the filter plate to fall into the slag storage tank; meanwhile, the first elastic air bag is extruded after the filter plate is instantly stretched out, and the first elastic air bag is extruded by the filter plate and then blown to the filter plate through the air pipe, so that suspended matters on the filter plate fall into the residue storage tank, the suspended matters on the filter plate are poured out completely, and the sewage is quickly treated by the system.
3. According to the invention, the elastic air bag III is flapped by the filter plate, so that the air in the elastic air bag III blows air to the car blade through the air blowing pipe, on one hand, the air blowing can separate suspended matters from the car blade and fall into the slag storage pool, on the other hand, the air blowing is favorable for improving the rotating speed of the rotating windmill, so that the suspended matters on the rotating windmill are subjected to larger centrifugal force, the suspended matters are favorably separated from the rotating windmill, the energy loss of the whole system is favorably reduced, and the energy-saving and environment-friendly effects are.
Drawings
FIG. 1 is a schematic structural diagram of a thermal power plant circulating water sewage disposal system of the present invention;
FIG. 2 is an enlarged view taken at A with respect to FIG. 1;
FIG. 3 is an enlarged view at B with respect to FIG. 2;
in the figure: the device comprises a rack 1, a water outlet pipe 11, a sewage treatment tank 2, a slag storage tank 3, a fishing module 4, a rotating belt 41, a rubber belt 411, a filter screen belt 412, a filter plate 42, a first elastic air bag 43, an elastic membrane 431, a stop block 44, a push plate 45, a return spring 451, an air hole 452, an air pipe 46, a blocking block 461, an elastic connecting part 462, a rigid inclined plate 463, a second elastic air bag 47, an air blowing pipe 471, a sewage return tank 48, a rotating windmill 49 and a blade 491.
Detailed Description
A thermal power plant circulating water sewage treatment system according to the present invention will be described below with reference to fig. 1 to 3.
As shown in fig. 1 to 3, the system for treating the thermal power plant circulating water sewage comprises a frame 1, a water outlet pipe 11, a sewage treatment tank 2, a slag storage tank 3 positioned on one side of the sewage treatment tank 2, and a fishing module 4 fixed between the sewage treatment tank 2 and the slag storage tank 3; the water outlet pipe 11 is positioned at the upper part of the sewage treatment tank 2, the water outlet pipe 11 is fixed on the rack 1, and the water outlet pipe 11 is used for spraying sewage to the fishing module 4; the fishing module 4 is fixed on the rack 1, and the fishing module 4 is used for fishing suspended matters floating in the sewage treatment tank 2 and conveying the suspended matters into the slag storage tank 3; wherein the content of the first and second substances,
the fishing module 4 comprises a rotating belt 41 which is obliquely arranged, a plurality of filter plates 42 which are hinged on the rotating belt 41, a limiting block, a first elastic air bag 43 which is fixed at a corner between the rotating belt 41 and the filter plates 42, and a stop block 44 which is positioned above the slag storage tank 3 and is adjacent to the filter plates 42; the lower end of the rotating belt 41 is positioned in the sewage treatment tank 2, the upper end of the rotating belt 41 is positioned above the slag storage tank 3, and the rotating belt 41 comprises a rubber belt 411 and filter screen belts 412 alternately arranged with the rubber belt 411; the filter plate 42 comprises a hard plate and an elastic plate fixedly connected with one end of the hard plate, an included angle between the filter plate 42 and the rotating belt 41 which inclines towards the sewage treatment tank 2 is an acute angle, and the filter plate 42 is used for filtering out suspended matters in the sewage; the other end of the hard plate is hinged on the rubber belt 411; the limiting block is positioned on one side of the hard plate of the filter plate 42 hinged with the rubber belt 411 and is used for limiting the angle between the filter plate 42 and the rotating belt 41, so that the included angle between the filter plate 42 and the rotating belt 41 is larger than 30 degrees; the stopper 44 is used for stopping the filter plate 42, so that the filter plate 42 generates elastic deformation and breaks out suspended matters; the first elastic air bag 43 is fixedly connected with the rubber belt 411, an air pipe 46 communicated with the first elastic air bag 43 is arranged on the first elastic air bag 43, the air pipe 46 penetrates through the end part of the hard plate, the pipe opening of the air pipe 46 faces the elastic plate at one end of the filter plate 42, and the first elastic air bag 43 is extruded by the filter plate 42 and then blows air to the filter plate 42 through the air pipe 46, so that suspended matters on the filter plate 42 fall into the slag storage pool 3. When the sewage treatment device works, sewage is sprayed on the fishing module 4 above the sewage treatment tank 2 through the water outlet pipe 11, the sewage flows into the sewage treatment tank 2 through the filter plate 42 and the filter screen belt 412, suspended matters in the sewage are filtered by the filter plate 42 and are left on the filter plate 42, the filter plate 42 rotates along with the rotating belt 41 to dump the suspended matters into the slag storage tank 3, the filter plate 42 firstly passes through the stop block 44 in the dumping process, the filter plate 42 is extruded by the stop block 44 to accumulate force, and after the filter plate 42 is separated from the stop block 44, the filter plate 42 is instantly stretched out to enable the suspended matters on the filter plate 42 to fall into the slag storage tank 3, so that the filter plate 42 can dump the suspended matters smoothly; meanwhile, the first elastic air bag 43 is extruded after the filter plate 42 is stretched out instantly, the first elastic air bag 43 is extruded by the filter plate 42 and then blows air to the filter plate 42 through the air pipe 46, and suspended matters on the filter plate 42 fall off into the residue storage tank 3, so that the suspended matters on the filter plate 42 are poured out completely, the efficiency of salvaging suspended matters of the module 4 is improved, and the system can rapidly treat sewage.
Furthermore, the filter plate 42 is provided with a push plate 45 connected with the upper surface of the filter plate 42 in a sliding manner and a return spring 451 connecting the push plate 45 with the rotating belt 41, and the push plate 45 is thrown to the edge of the filter plate 42 at the moment after the filter plate 42 passes through the stopper 44. When the filter plate 42 is separated from the stop block 44 and is stretched out instantly during operation, the push plate 45 on the filter plate 42 is thrown to the edge of the filter plate 42 under the action of centrifugal force, the push plate 45 pushes out suspended matters filtered by the filter plate 42, so that the suspended matters fall into the slag storage tank 3, and when the centrifugal force applied to the push plate 45 is reduced, the push plate 45 is reset under the action of the reset spring 451; the push plate 45 improves the treatment capacity of the fishing module 4 to the suspended matters in the slag storage tank 3 with the suspended matters on the filter plate 42, and is favorable for improving the treatment efficiency of the system to sewage.
Further, an air hole 452 is formed in the push plate 45; the pipe orifice at one end of the air pipe 46 is fixedly connected with the air hole 452, the other end of the air pipe 46 is provided with a blocking block 461, the end part of the air pipe 46 is provided with an elastic connecting part 462, the air pipe 46 is connected with the first elastic air bag 43 through the elastic connecting part 462, and the length of the air pipe 46 on the filter plate 42 is shorter than the inclined length of the filter plate 42; a rigid inclined plate 463 is arranged between the blocking piece 461 and the inner wall of the air pipe 46; the blocking piece 461 is connected with the inner wall of the air pipe 46 through a rigid inclined plate 463, and the blocking piece 461 is used for blocking a hole of the air pipe 46 communicated with the first elastic air bag 43; the first elastic air bag 43 is provided with a plurality of one-way air inlet holes, and elastic films 431 are fixed on the inner wall of the first elastic air bag 43 at the one-way air inlet holes. When the filter plate works, after the first elastic air bag 43 is pressed and relaxed, air is fed in one way through the one-way air inlet hole fixed with the elastic film 431, in the process that the push plate 45 slides along the filter plate 42 to the edge of the filter plate 42, when the push plate 45 does not reach the edge of the filter plate 42, the air pipe 46 is straightened, the filter plate 42 also starts to flap the first elastic air bag 43, the first elastic air bag 43 starts to be pressed, the end part of the air pipe 46 is connected with the first elastic air bag 43 through the elastic connecting part 462, so that in the process that the air pipe 46 is straightened and continuously stressed, the blocking block 461 is separated from the hole formed by the air pipe 46 and the first elastic air bag 43, the air pipe 46 is communicated with the edge of the filter plate 42 because the push plate 45 is close to the edge of the filter plate 42, the air pipe 46 is communicated with the first elastic air bag 43 to blow air to the suspended matters, thereby make push pedal 45 handle the suspended solid on with the filter plate 42 totally, improved the throughput of salvaging module 4 to the suspended solid, be favorable to improving the system to the treatment effeciency of sewage.
Furthermore, a second elastic air bag 47 is arranged beside the first elastic air bag 43; the second air bag is positioned between the first air bag and the filter plate 42, and water outlet holes which incline towards the filter plate 42 are formed in the second air bag. The during operation, No. two elastic air bag 47 is soaked into water when getting into the aquatic, when No. two elastic air bag 47 breaks away from sewage, partial sewage leaks down, thereby it has gas to make No. two elastic air bag 47 in have water, stretch out and extrude No. two elastic air bag 47 in the twinkling of an eye because of filter plate 42, thereby make No. two elastic air bag 47 blow the water to filter plate 42 from filter plate 42 below, gas and water permeate filter plate 42 and strike on the suspended solid, make the adhesion of suspended solid and filter plate 42 reduce, have to slide to push pedal 45 on the one hand and play the lubrication action, on the other hand, water and gas can wash the suspended solid on the filter plate 42, be favorable to the suspended solid on the filter plate 42 to be cleared up, be favorable to improving the throughput of system to sewage.
Further, a sewage return tank 48 is arranged between the sewage treatment tank 2 and the slag storage tank 3; the sewage in the sewage return tank 48 can return to the sewage treatment tank 2, and a rotating windmill 49 is arranged between the sewage return tank 48 and the slag storage tank 3; one half of the rotating windmill 49 is positioned above the slag storage tank 3, the other half of the rotating windmill 49 is positioned above the sewage backflow groove 48, the half of the rotating windmill 49 positioned above the sewage backflow groove 48 is positioned right below the joint of the stop block 44 and the rotating belt 41, and the rotating windmill 49 comprises a blade 491; the lathe blades 491 are all provided with pinholes. When the device works, suspended matters on the filter plate 42 are dumped on the blades 491 of the rotary windmill 49, a small amount of water falling from the filter plate 42 together with the suspended matters falls into the sewage backflow pool through the blades 491, the rotary windmill 49 can be driven by a power source, and the suspended matters are thrown into the slag storage pool 3 along with the rotation of the rotary windmill 49, so that the water in the suspended matters is reduced, the separation of the suspended matters from the sewage is facilitated, and the sewage treatment capacity of the system is improved.
Further, the stopper 44 is an elastic airbag iii; the lower end of the elastic air bag III is provided with an air blowing pipe 471 which inclines towards the turning vane 2; the blow pipe 471 is communicated with the elastic air bag III, and the blow pipe 471 is used for blowing air to the rotating windmill 49 to enable the rotating windmill 49 to rotate clockwise to the slag storage pool 3. During operation, the filter plate 42 beats on the stopper 44, because the filter plate 42 is the third elastic airbag, the third elastic airbag is compressed and deformed, thereby the gas in the third elastic airbag blows to the car blade 2 through the blow pipe 471, on one hand, the blow pipe 471 blows to the car blade 2 to make the suspended matter break away from the car blade 2 and fall into the slag storage tank 3, on the other hand, the blow pipe 471 blows to the car blade 2, which is beneficial to improving the rotating speed of the rotating windmill 49, so that the suspended matter on the rotating windmill 49 is subjected to larger centrifugal force, which is beneficial to breaking away from the suspended matter and the rotating windmill 49.
The specific working process is as follows:
when the sewage treatment device works, sewage is sprayed on the fishing module 4 above the sewage treatment tank 2 through the water outlet pipe 11, the sewage flows into the sewage treatment tank 2 through the filter plate 42 and the filter screen belt 412, suspended matters in the sewage are filtered by the filter plate 42 and are left on the filter plate 42, the filter plate 42 rotates along with the rotating belt 41 to dump the suspended matters into the slag storage tank 3, in the dumping process, the filter plate 42 firstly passes through the block 44, the filter plate 42 is extruded by the block 44 to store power, after the filter plate 42 is separated from the block 44, the filter plate 42 is instantly stretched out to enable the suspended matters on the filter plate 42 to fall into the slag storage tank 3, meanwhile, the push plate 45 on the filter plate 42 is thrown to the edge of the filter plate 42 under the action of centrifugal force, the push plate 45 can push the suspended matters filtered by the filter plate 42 out to enable the suspended matters to fall into the slag storage tank 3, when the centrifugal force applied to the push plate 45 is reduced, under, the push plate 45 is reset; in the process that the push plate 45 slides towards the edge of the filter plate 42 along the filter plate 42, when the push plate 45 does not reach the edge of the filter plate 42, the air pipe 46 is straightened, the filter plate 42 also starts to flap the first elastic air bag 43, the first elastic air bag 43 starts to be pressed, and because the end part of the air pipe 46 is connected with the first elastic air bag 43 through the elastic connecting part 462, in the process that the air pipe 46 is straightened and continuously stressed, the blocking block 461 is separated from the hole formed by the communication of the air pipe 46 and the first elastic air bag 43, the air pipe 46 is communicated with the first elastic air bag 43, and because the push plate 45 approaches the edge of the filter plate 42, the air pipe 46 is communicated with the first elastic air bag 43, the air pipe 46 blows air to the suspended matters suddenly, and the suspended matters pushed by the air inlet holes 45 of the push plate are in a closed state in a one-way, so that the push plate; when the second elastic air bag 47 enters water, the second elastic air bag 47 is soaked in water, and when the second elastic air bag 47 is separated from sewage, part of sewage leaks down, so that water is contained in the second elastic air bag 47, the second elastic air bag 47 is extruded due to the fact that the filter plate 42 is stretched out instantly, so that the second elastic air bag 47 blows air to the filter plate 42 from the lower part of the filter plate 42 to blow water, and the air and the water penetrate through the filter plate 42 and impact on suspended matters, so that the adhesion between the suspended matters and the filter plate 42 is reduced;
when suspended matters on the filter plate 42 are dumped on the blades 491 of the rotary windmill 49, a small amount of water falling from the filter plate 42 together with the suspended matters falls into the sewage backflow pool through the blades 491, the rotary windmill 49 can be driven by a power source, the suspended matters are thrown into the slag storage pool 3 along with the rotation of the rotary windmill 49, so that the water in the suspended matters is reduced, and the separation of the suspended matters from the sewage is facilitated; the filter plate 42 is flapped on the block 44, and the filter plate 42 is an elastic air bag III, which makes the elastic air bag III compressed and deformed, so that the air in the elastic air bag III blows to the car blade 2 through the blowing pipe 471, on one hand, the blowing pipe 471 blows to the car blade 2 to separate the suspended matters from the car blade 2 and fall into the slag storage tank 3, on the other hand, the blowing pipe 471 blows to the car blade 2, which is beneficial to improving the rotating speed of the rotating windmill 49, so that the suspended matters on the rotating windmill 49 are subjected to larger centrifugal force, and the suspended matters are beneficial to being separated from the rotating windmill 49.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a thermal power plant's circulating water blowdown water processing system which characterized in that: comprises a frame (1), a water outlet pipe (11), a sewage treatment tank (2), a slag storage tank (3) positioned at one side of the sewage treatment tank (2) and a fishing module (4) fixed between the sewage treatment tank (2) and the slag storage tank (3); the water outlet pipe (11) is positioned at the upper part of the sewage treatment tank (2), the water outlet pipe (11) is fixed on the rack (1), and the water outlet pipe (11) is used for spraying sewage onto the fishing module (4); the fishing module (4) is fixed on the rack (1), and the fishing module (4) is used for fishing suspended matters floating in the sewage treatment tank (2) and conveying the suspended matters into the slag storage tank (3); wherein the content of the first and second substances,
the salvaging module (4) comprises a rotating belt (41) which is obliquely arranged, a plurality of filter plates (42) which are hinged on the rotating belt (41), a limiting block, a first elastic air bag (43) which is fixed at a corner between the rotating belt (41) and the filter plates (42), and a stop block (44) which is positioned above the slag storage pool (3) and is adjacent to the filter plates (42); the lower end of the rotating belt (41) is positioned in the sewage treatment tank (2), the upper end of the rotating belt (41) is positioned above the slag storage tank (3), and the rotating belt (41) comprises a rubber belt (411) and filter screen belts (412) which are alternately arranged with the rubber belt (411); the filter plate (42) comprises a hard plate and an elastic plate fixedly connected with one end of the hard plate, an included angle between the filter plate (42) and a rotating belt (41) which inclines towards the sewage treatment tank (2) is an acute angle, and the filter plate (42) is used for filtering out suspended matters in the sewage; the other end of the hard plate is hinged on the rubber belt (411); the limiting block is positioned on one side of a hard plate of the filter plate (42) hinged with the rubber belt (411) and used for limiting the angle between the filter plate (42) and the rotating belt (41) so that the included angle between the filter plate (42) and the rotating belt (41) is larger than 30 degrees; the block (44) is used for blocking the filter plate (42) so that the filter plate (42) generates elastic deformation and breaks out suspended matters; the first elastic air bag (43) is fixedly connected with the rubber belt (411), an air pipe (46) communicated with the first elastic air bag (43) is arranged on the first elastic air bag (43), the air pipe (46) penetrates through the end part of the hard plate, the pipe orifice of the air pipe (46) faces to the elastic plate at one end of the filter plate (42), the first elastic air bag (43) is extruded by the filter plate (42) and then blows air to the filter plate (42) through the air pipe (46), suspended matters on the filter plate (42) fall off into the residue storage tank (3), when the push plate (45) slides to the edge of the filter plate (42) along the filter plate (42), the air pipe (46) is straightened when the push plate (45) does not reach the edge of the filter plate (42), the first elastic air bag (43) is started to be beaten by the filter plate (42), the first elastic air bag (43) is started to be pressed, and the end part of the air pipe (46) is connected with the first elastic air bag (43, therefore, in the process of continuously bearing force after the air pipe (46) is straightened, the blocking piece (461) is separated from the hole of the air pipe (46) communicated with the first elastic air bag (43), and the air pipe (46) is communicated with the first elastic air bag (43).
2. The thermal power plant circulating water blowdown water treatment system of claim 1, characterized in that: the filter plate (42) is provided with a push plate (45) which is connected with the upper surface of the filter plate (42) in a sliding way and a return spring (451) which is used for connecting the push plate (45) with the rotating belt (41), and the push plate (45) is thrown to the edge of the filter plate (42) at the moment after the filter plate (42) passes through the stop block (44).
3. The thermal power plant circulating water blowdown water treatment system of claim 2, characterized in that: the push plate (45) is provided with an air hole (452); a pipe orifice at one end of the air pipe (46) is fixedly connected with the air hole (452), a blocking block (461) is arranged at the other end of the air pipe (46), an elastic connecting part (462) is arranged at the end part of the air pipe (46), the air pipe (46) is connected with the first elastic air bag (43) through the elastic connecting part (462), and the length of the air pipe (46) on the filter plate (42) is shorter than the inclined length of the filter plate (42); a rigid inclined plate (463) is arranged between the blocking block (461) and the inner wall of the air pipe (46); the blocking block (461) is connected with the inner wall of the air pipe (46) through a rigid sloping plate (463), and the blocking block (461) is used for blocking a hole for communicating the air pipe (46) with the first elastic air bag (43); a plurality of one-way air inlets are formed in the first elastic air bag (43), and elastic films (431) are fixed on the inner wall of the first elastic air bag (43) at the one-way air inlets.
4. The thermal power plant circulating water blowdown water treatment system of claim 3, characterized in that: a second elastic air bag (47) is also arranged beside the first elastic air bag (43); the second air bag is positioned between the first air bag and the filter plate (42), and a water outlet hole which inclines towards the filter plate (42) is formed in the second air bag.
5. The thermal power plant circulating water blowdown water treatment system of claim 4, characterized in that: a sewage return tank (48) is arranged between the sewage treatment tank (2) and the slag storage tank (3); the sewage in the sewage backflow tank (48) can flow back to the sewage treatment tank (2), and a rotating windmill (49) is arranged between the sewage backflow tank (48) and the slag storage tank (3); one half of the rotating windmill (49) is positioned above the slag storage pool (3), the other half of the rotating windmill (49) is positioned above the sewage backflow groove (48), the half of the rotating windmill (49) positioned above the sewage backflow groove (48) is positioned right below the joint of the stop block (44) and the rotating belt (41), and the rotating windmill (49) comprises a windmill blade (491); the car blade (491) is full of pinholes.
6. The thermal power plant circulating water blowdown water treatment system of claim 5, characterized in that: the stop block (44) is an elastic air bag III; the lower end of the elastic air bag III is provided with an air blowing pipe (471) which inclines towards the turning vane (2); the blowing pipe (471) is communicated with the elastic air bag III, and the blowing pipe (471) is used for blowing air to the rotating windmill (49) to enable the rotating windmill (49) to rotate clockwise to the slag storage pool (3).
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| CN201811350286.0A CN109351032B (en) | 2018-11-14 | 2018-11-14 | Circulating water blowdown water treatment system of thermal power plant |
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| CN201811350286.0A CN109351032B (en) | 2018-11-14 | 2018-11-14 | Circulating water blowdown water treatment system of thermal power plant |
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| CN112830625A (en) * | 2020-12-24 | 2021-05-25 | 郑玉珠 | Sewage treatment equipment and anti-blocking device |
| CN113367367B (en) * | 2021-06-19 | 2021-12-21 | 徐州田园乐农业机械制造有限公司 | Mixing arrangement is smashed to agricultural fodder |
| CN114543856A (en) * | 2021-11-08 | 2022-05-27 | 衡阳市智谷科技发展有限公司 | Safe distance car following device for automatic driving of car |
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| US3372811A (en) * | 1964-04-16 | 1968-03-12 | Ajem Lab Inc | Rotating drum filter apparatus |
| CN2107306U (en) * | 1990-08-17 | 1992-06-17 | 平顶山矿务局八矿洗煤厂 | Positive pressure continuous filter with scraper unloading throttle valve |
| JPWO2005102495A1 (en) * | 2004-04-22 | 2008-03-06 | 巴工業株式会社 | Rotary compression filter with slit blow type scraper |
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Effective date of registration: 20201215 Address after: No.3, floor 2, unit 3, building 2, No.50 Da'an street, Daoli District, Harbin City, Heilongjiang Province Applicant after: Harbin Huadong power station accessories maintenance Co.,Ltd. Address before: 230009 HeFei University of Technology, 193 Tunxi Road, Anhui, Hefei Applicant before: Lin Fangjie |
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Effective date of registration: 20220324 Address after: 150000 room 306, floor 3, building 18, high tech Development Zone, Nangang concentration zone, economic development zone, Harbin, Heilongjiang Province Patentee after: Harbin Huachen Motor Co.,Ltd. Address before: No.3, floor 2, unit 3, building 2, No.50 Da'an street, Daoli District, Harbin City, Heilongjiang Province Patentee before: Harbin Huadong power station accessories maintenance Co.,Ltd. |