CN113461282B - Device for repairing black and odorous bottom mud polluted by organic matters in culture pond by separation method - Google Patents
Device for repairing black and odorous bottom mud polluted by organic matters in culture pond by separation method Download PDFInfo
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C02F11/00—Treatment of sludge; Devices therefor
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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
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract
The invention relates to the field of water pollution remediation, in particular to a device for remedying black and odorous bottom mud of a culture pond polluted by organic matters by a separation method. The invention aims to provide a device for repairing black and odorous bottom mud polluted by organic matters in a culture pond by a separation method. The technical implementation scheme of the invention is as follows: a device for repairing black and odorous substrate sludge polluted by organic matters in a culture pond by a separation method comprises a separation mechanism, a blanking mechanism, a landfill anti-pollution mechanism and the like; the separating mechanism is connected with the blanking mechanism; the separation mechanism is connected with the landfill anti-pollution mechanism, and the blanking mechanism is connected with the landfill anti-pollution mechanism. The method can effectively prevent a large amount of turned-up black and odorous bottom mud from diffusing into water to cause secondary pollution while uniformly adding sodium acetate into the black and odorous bottom mud, can automatically and completely bury the sodium acetate into the black and odorous bottom mud, and can press down the turned-up black and odorous bottom mud to prevent the sodium acetate from diffusing into the water during burying.
Description
Technical Field
The invention relates to the field of water pollution remediation, in particular to a device for remedying black and odorous bottom mud of a culture pond polluted by organic matters by a separation method.
Background
The bottom mud is one of the important components of the river ecological system, is not only an important link of nutrient substance circulation in the river, but also a main accumulation place of pollutants. A considerable part of the organic pollutants which are difficult to degrade are attached to the sediment through chemical or physical actions such as adsorption, precipitation and the like to form bottom sediment pollution. The dynamic balance of material exchange exists between the bottom sediment and the water body, and pollutants in the bottom sediment can be released to the overlying water body through the actions of desorption, dissolution, biological decomposition and the like under certain conditions, so that the method is an important source of secondary pollution of the water body. Therefore, while controlling the pollutant discharge, the remediation of the polluted bottom mud is an important component of the comprehensive treatment of the water pollution of the urban riverways, and is also one of the important ways for fundamentally solving the problem of the water pollution.
In order to solve the problem of water resource pollution caused by black and odorous bottom mud, the prior art provides a biochemical combination method, a certain amount of sodium acetate is added into the black and odorous bottom mud, however, during the addition process, sodium acetate needs to be uniformly added into the sludge, so that the sludge needs to be turned up to enable the sodium acetate to enter the inside of the sludge, then the turned-up sludge needs to be landfilled, so as to prevent the sodium acetate from floating in the water due to the fluctuation of the water, not only causes sodium acetate loss and increases the repair cost, but also has certain influence on the water quality by the sodium acetate diffused into the culture pond, in the process, the black and odorous bottom mud is easily stirred and is diffused into water, thereby greatly influencing the water quality, the secondary pollution of water quality, which leads to the water quality not only can not be repaired, but also causes secondary pollution, and seriously influences the use of a later-period culture pond.
Therefore, there is an urgent need for a device which can uniformly add sodium acetate into black and odorous sediment, can effectively prevent the turned-up black and odorous sediment from being diffused into water in a large amount, and cause secondary pollution, and can also automatically completely bury the sodium acetate into the black and odorous sediment, and can press down the turned-up black and odorous sediment during burying, and prevent the sodium acetate from also being diffused into water, so as to solve the above problems.
Disclosure of Invention
In order to overcome the defects that in the process of adding sodium acetate, the sodium acetate needs to be uniformly added into sludge, the sludge needs to be turned up to enable the sodium acetate to enter the sludge, then the turned-up sludge needs to be buried, so that the sodium acetate is prevented from floating in water due to the fluctuation of water, the loss of the sodium acetate is caused, the sodium acetate diffused into a culture pond also has certain influence on the water quality, and in the process, the black and odorous bottom sludge is easy to stir and is diffused into the water, so that the water quality is greatly influenced, namely, the water quality is polluted secondarily, the water quality cannot be repaired, secondary pollution is caused, and the use of the later-stage culture pond is seriously influenced, the invention aims to provide the repairing device for the black and odorous bottom sludge polluted by organic matters in the culture pond by a separation method.
The technical implementation scheme of the invention is as follows: a device for repairing black and odorous bottom mud polluted by organic matters in a culture pond by a separation method comprises a separation mechanism, a blanking mechanism, a landfill anti-pollution mechanism, a floating plate, a first air bag, a second air bag, a third air bag, a fourth air bag, a first electric propeller, a second electric propeller, a third electric propeller and a fourth electric propeller; the separating mechanism is connected with the blanking mechanism; the separation mechanism is connected with the landfill anti-pollution mechanism; the separation mechanism is connected with the floating plate; the blanking mechanism is connected with the landfill anti-pollution mechanism; four corners below the floating plate are respectively connected with the first electric propeller, the second electric propeller, the third electric propeller and the fourth electric propeller; two sides below the floating plate are respectively connected with the first air bag and the fourth air bag; two outer sides below the floating plate are respectively connected with the second air bag and the third air bag.
As an improvement of the scheme, the separation mechanism comprises a first motor, a screw rod, a fixing frame, a first connecting frame, a polished rod, a first dispersion column, a fixing plate, a second dispersion column and a first partition plate; the first motor is fixedly connected with the screw rod through an output shaft; the first motor is fixedly connected with the fixing frame; the screw rod is rotationally connected with the fixed frame; the screw rod is connected with the first connecting frame in a rotating mode; the fixed frame is fixedly connected with the floating plate; the fixed frame is fixedly connected with the polished rod; the first connecting frame is connected with the blanking mechanism; the first connecting frame is connected with the landfill anti-pollution mechanism; the first connecting frame is in sliding connection with the polish rod; both sides of the first connecting frame are fixedly connected with a group of first dispersion columns; the two groups of first dispersion columns are fixedly connected with the fixing plate; the fixing plate is fixedly connected with a plurality of groups of second dispersion columns simultaneously; the fixed plate is fixedly connected with a plurality of groups of first partition plates simultaneously; and a group of first partition plates are arranged on two sides of each group of second dispersion columns.
As an improvement of the above scheme, the blanking mechanism comprises a second motor, a first transmission shaft, a first transmission wheel, a sliding sleeve, a first bevel gear, a fixed block, a first electric push rod, a second transmission wheel, a second transmission shaft, a first cam, a second connecting frame, a sodium acetate storage barrel, a fan, a material conveying pipe, a protective pipe, a first air outlet pipe, a second air outlet pipe, a third air outlet pipe, a material distributing pipe, a first spring, a third connecting frame, a closer and a second spring; the second motor is fixedly connected with the first transmission shaft through an output shaft; the second motor is fixedly connected with the second connecting frame; the first transmission shaft is fixedly connected with the first transmission wheel; the first transmission shaft is connected with the sliding sleeve; the first transmission shaft is rotationally connected with the second connecting frame; the outer ring surface of the first driving wheel is in transmission connection with the second driving wheel through a belt; the sliding sleeve is fixedly connected with the first bevel gear; the sliding sleeve is connected with the fixed block; the fixed block is fixedly connected with the first electric push rod; the first electric push rod is fixedly connected with the second connecting frame; the second driving wheel is fixedly connected with the second transmission shaft; the second transmission shaft is connected with the landfill anti-pollution mechanism; the second transmission shaft is fixedly connected with the first cam and the second cam simultaneously; the second transmission shaft is rotatably connected with the second connecting frame; the second connecting frame is fixedly connected with the first connecting frame; the second connecting frame is connected with the landfill anti-pollution mechanism; the second connecting frame is fixedly connected with the sodium acetate storage barrel; the second connecting frame is fixedly connected with the fan; the second connecting frame is fixedly connected with the material conveying pipe; the lower part of the second connecting frame is fixedly connected with six groups of first springs; the sodium acetate storage barrel is fixedly connected with the material conveying pipe; both sides of the fan are fixedly connected with a group of first air outlet pipes, second air outlet pipes and third air outlet pipes; two groups of first air outlet pipes, second air outlet pipes and third air outlet pipes are fixedly connected with one group of protective pipes respectively; the two groups of protection pipes are fixedly connected with the first connecting frame; the two groups of protection pipes are fixedly connected with the conveying pipe; two groups of protection pipes are respectively fixedly connected with two sides of the material distributing pipe; the material distributing pipe is simultaneously contacted with a plurality of groups of closer; the material distributing pipe is fixedly connected with a plurality of groups of second springs at the same time; each group of closer is fixedly connected with one group of second springs respectively; the plurality of groups of closers are fixedly connected with the third connecting frame; the third connecting frame is fixedly connected with the six groups of first springs.
As an improvement of the above scheme, the landfill anti-pollution mechanism comprises a second bevel gear, a third driving wheel, a fourth driving wheel, a third transmission shaft, a fluted disc, a limiting frame, a sliding block, a fifth driving wheel, a sixth driving wheel, a vertical plate, a landfill frame, a telescopic plate, a baffle, a second partition plate, a second electric push rod, a third electric push rod, a lower pressing plate, an L-shaped connecting plate, a fourth transmission shaft, a connector and a fourth connecting frame of the mechanism; the second bevel gear is fixedly connected with the fourth transmission shaft; the fourth transmission shaft is fixedly connected with the third transmission wheel; the fourth transmission shaft is rotatably connected with the fourth connecting frame; the outer ring surface of the third driving wheel is in transmission connection with the fourth driving wheel through a belt; the fourth driving wheel is fixedly connected with the third transmission shaft; the third transmission shaft is fixedly connected with the fluted disc; the third transmission shaft is fixedly connected with a fifth transmission wheel; the third transmission shaft is rotatably connected with the fourth connecting frame; the fluted disc is fixedly connected with the connector; the connector is in sliding connection with the limiting frame; the limiting frame is fixedly connected with the sliding block; the sliding block is fixedly connected with the vertical plate; the sliding block is in sliding connection with the fourth connecting frame; the outer ring surface of the fifth driving wheel is in transmission connection with the sixth driving wheel through a belt; the vertical plate is fixedly connected with the landfill rack; the landfill frame is fixedly connected with the expansion plate; the expansion plate is fixedly connected with the baffle; the expansion plate is fixedly connected with the second partition plate through a connecting block; the baffle is fixedly connected with the second partition plate; a group of connectors is arranged from the third transmission shaft to the second partition plate on two sides of the fourth connecting frame; the other group of third transmission shafts is fixedly connected with a sixth transmission wheel; the fourth connecting frame is fixedly connected with the second connecting frame; the fourth connecting frame is fixedly connected with the L-shaped connecting plate; the L-shaped connecting plate is fixedly connected with the second electric push rod and the third electric push rod at the same time; the second electric push rod and the third electric push rod are fixedly connected with the lower pressing plate through connecting blocks; the lower pressing plate is contacted with the troweling plate; and the two groups of second partition plates are fixedly connected with the first connecting frame.
As an improvement of the scheme, two sides of each group of second dispersion columns are provided with a group of first partition plates.
As an improvement of the scheme, the multiple groups of closers are all in contact with the material distribution pipe, and the two sides of the material distribution pipe are provided with circular rings for sealing.
As the improvement of the scheme, one end of the limiting frame is provided with a limiting frame.
As an improvement of the scheme, the two groups of landfill racks are combined and arranged in a V shape.
As an improvement of the scheme, the lower pressing plate is provided with a plurality of groups of small round holes.
The invention has the beneficial effects that: 1. in order to overcome the defects that in the process of adding sodium acetate, the sodium acetate needs to be uniformly added into sludge, the sludge needs to be turned up to enable the sodium acetate to enter the sludge, and then the turned-up sludge needs to be buried, so that the sodium acetate is prevented from floating in water due to fluctuation of water, the sodium acetate loss is caused, the sodium acetate diffused into a culture pond also has certain influence on the water quality, in the process, the black and odorous bottom sludge is easy to stir and diffused into the water, the water quality is greatly influenced, namely, the water quality is polluted secondarily, the water quality cannot be repaired, secondary pollution is caused, and the use of the later-period culture pond is seriously influenced;
2. the invention designs a separation mechanism, a blanking mechanism and a landfill anti-pollution mechanism: before the device is prepared to work, the device is suspended on the water surface of a culture pond, enough buoyancy of the device is ensured to stay on the water surface through a first air bag, a second air bag, a third air bag and a fourth air bag, then an external power supply is connected, a lead with proper length is used for connecting the power supply, then the device is started through a controller, the device is driven to slowly move forwards on the water surface through a first electric propeller, a second electric propeller, a third electric propeller and a fourth electric propeller, meanwhile, a separation mechanism starts to work, the separation mechanism drives related components, a blanking mechanism and a landfill anti-pollution mechanism to descend for a certain depth, so that the separation mechanism is in contact with black and odorous bottom mud at the bottom and extends into the black and odorous bottom mud, then when the device slowly moves forwards on the water surface, the separation mechanism separates the black and odorous bottom mud to form a plurality of groups of black and odorous bottom mud, and separation traces can be remained on the separated black and odorous bottom mud, meanwhile, the blanking mechanism starts to work, the blanking mechanism adds sodium acetate into the separated black and odorous substrate sludge, and when the sodium acetate is added, in order to ensure that the sodium acetate can be uniformly added into the black and odorous substrate sludge, the sodium acetate is dispersed in the blanking mechanism through wind power, then the sodium acetate is indirectly added into a separation trace part remained when the black and odorous substrate sludge is separated, so that the sodium acetate can be immersed into the black and odorous substrate sludge instead of being only on the surface of the black and odorous substrate sludge, meanwhile, the blanking mechanism drives the landfill anti-pollution mechanism to work, the black and odorous substrate sludge turned up when the black and odorous substrate sludge is separated is limited and pressed down to be leveled, the process can prevent the black and odorous substrate sludge from turning up to pollute a water body, and can level the turned up black and odorous substrate sludge, so that the sodium acetate added into the black and odorous substrate sludge can be fully covered to prevent water waves and other reasons, the floating plate floats to water from the surface of the black and odorous bottom mud and the interior of the black and odorous bottom mud, so that the treatment effect of the black and odorous bottom mud is influenced, and the floating plate plays a role in floating and keeping stable in the whole process;
3. the method can effectively prevent a large amount of turned-up black and odorous bottom mud from diffusing into water to cause secondary pollution while uniformly adding sodium acetate into the black and odorous bottom mud, can automatically and completely bury the sodium acetate into the black and odorous bottom mud, and can press down the turned-up black and odorous bottom mud to prevent the sodium acetate from diffusing into the water during burying.
Drawings
FIG. 1 is a schematic perspective view of a first embodiment of the present invention;
FIG. 2 is a schematic perspective view of a second embodiment of the present invention;
FIG. 3 is a third perspective view of the present invention;
FIG. 4 is a schematic perspective view of a dispersion mechanism according to the present invention;
FIG. 5 is a schematic perspective view of a portion of the dispersion mechanism of the present invention;
FIG. 6 is a schematic perspective view of the blanking mechanism of the present invention;
FIG. 7 is a schematic view of a first partial body structure of the blanking mechanism of the present invention;
FIG. 8 is a schematic view of a second partial body structure of the blanking mechanism of the present invention;
FIG. 9 is a schematic perspective view of a third part of the blanking mechanism of the present invention;
FIG. 10 is a schematic perspective view of a fourth part of the blanking mechanism of the present invention;
FIG. 11 is a schematic perspective view of the landfill contamination prevention mechanism of the present invention;
FIG. 12 is a schematic view of a first partially assembled structure of the anti-contamination mechanism of the present invention;
FIG. 13 is a schematic view of a second partial body structure of the landfill contamination prevention mechanism of the present invention;
fig. 14 is a perspective view of a third part of the pollution-preventing mechanism for landfill.
Number designation in the figure: 1. a separation mechanism, 2, a blanking mechanism, 3, a landfill anti-pollution mechanism, 4, a floating plate, 5, a first air bag, 6, a second air bag, 7, a third air bag, 8, a fourth air bag, 9, a first electric screw propeller, 10, a second electric screw propeller, 11, a third electric screw propeller, 12, a fourth electric screw propeller, 101, a first motor, 102, a screw rod, 103, a fixing frame, 104, a first connecting frame, 105, a polish rod, 106, a first dispersion column, 107, a fixing plate, 108, a second dispersion column, 109, a first clapboard, 201, a second motor, 202, a first transmission shaft, 203, a first transmission wheel, 204, a sliding sleeve, 205, a first bevel gear, 206, a fixing block, 207, a first electric push rod, 208, a second transmission wheel, 209, a second transmission shaft, 2010, a first cam, 2011, a second cam, 2012, a second connecting frame, 2013, sodium acetate, a storage barrel, 2014, The fan, 2015, a material conveying pipe, 2016, a protective pipe, 2017, a first air outlet pipe, 2018, a second air outlet pipe, 2019, a third air outlet pipe, 2020, a material dividing pipe, 2021, a first spring, 2022, a third connecting frame, 2023, a closer, 2024, a second spring, 301, a second bevel gear, 302, a third driving wheel, 303, a fourth driving wheel, 304, a third driving shaft, 305, a fluted disc, 306, a limiting frame, 307, a sliding block, 308, a fifth driving wheel, 309, a sixth driving wheel, 3010, a vertical plate, 3011, a landfill frame, 3012, a telescopic plate, 3013, a baffle, 3014, a second partition plate, 3015, a second electric push rod, 3016, a third electric push rod, 3017, a lower pressing plate, 3018, an L-shaped connecting plate, 3019, a fourth driving shaft, 3020, a connector, 3021 and a fourth connecting frame.
Detailed Description
The above-described scheme is further illustrated below with reference to specific examples. It should be understood that these examples are for illustrative purposes and are not intended to limit the scope of the present application. The conditions used in the examples may be further adjusted according to the conditions of the particular manufacturer, and the conditions not specified are generally the conditions in routine experiments.
Example 1
A repairing device for black and odorous bottom mud polluted by organic matters in a culture pond by a separation method is shown in figures 1-14 and comprises a separation mechanism 1, a blanking mechanism 2, a landfill anti-pollution mechanism 3, a floating plate 4, a first air bag 5, a second air bag 6, a third air bag 7, a fourth air bag 8, a first electric propeller 9, a second electric propeller 10, a third electric propeller 11 and a fourth electric propeller 12; the separating mechanism 1 is connected with the blanking mechanism 2; the separation mechanism 1 is connected with a landfill anti-pollution mechanism 3; the separation mechanism 1 is connected with the floating plate 4; the blanking mechanism 2 is connected with the landfill anti-pollution mechanism 3; four corners below the floating plate 4 are respectively connected with a first electric propeller 9, a second electric propeller 10, a third electric propeller 11 and a fourth electric propeller 12; two sides below the floating plate 4 are respectively connected with the first air bag 5 and the fourth air bag 8; two outer sides below the floating plate 4 are respectively connected with a second air bag 6 and a third air bag 7.
Before the device is prepared to work, the device is suspended on the water surface of a culture pond, enough buoyancy of the device is ensured to stay on the water surface through a first air bag 5, a second air bag 6, a third air bag 7 and a fourth air bag 8, then an external power supply is connected, a wire with proper length is used for connecting the power supply, then the device is started through a controller, the device is driven to slowly move forwards on the water surface through a first electric propeller 9, a second electric propeller 10, a third electric propeller 11 and a fourth electric propeller 12, meanwhile, a separation mechanism 1 starts to work, the separation mechanism 1 drives related components, a blanking mechanism 2 and a landfill anti-pollution mechanism 3 to descend for a certain depth, so that the separation mechanism 1 is in contact with black and odorous bottom mud at the bottom and extends into the black odorous bottom mud, then when the device slowly moves forwards on the water surface, the separation mechanism 1 separates the black odorous bottom mud to form a plurality of groups of separated black odorous bottom mud, and the separated black and odorous substrate sludge can leave separation marks, meanwhile, the blanking mechanism 2 starts to work, the blanking mechanism 2 adds sodium acetate to the separated black and odorous substrate sludge, and when the sodium acetate is added, in order to ensure that the sodium acetate can be uniformly added into the black and odorous substrate sludge, the sodium acetate is dispersed in the blanking mechanism 2 through wind power, then the sodium acetate is indirectly added to the separation marks left when the black and odorous substrate sludge is separated, so that the sodium acetate can be soaked into the black and odorous substrate sludge instead of being only on the surface of the black and odorous substrate sludge, meanwhile, the blanking mechanism 2 drives the landfill anti-pollution mechanism 3 to work, the black and odorous substrate sludge turned up when the black and odorous substrate sludge is separated is limited and pressed down to be leveled, the process can prevent the black and odorous substrate sludge from turning up to pollute a water body, the turned up black and odorous substrate sludge can be leveled, so that the sodium acetate added into the black and odorous substrate sludge can be fully covered, the floating plate 4 is prevented from floating in water from the surface of the black and odorous sediment and the interior of the black and odorous sediment due to water waves and the like, so that the treatment effect of the black and odorous sediment is prevented from being influenced, and the floating plate 4 plays a role in floating and keeping stable in the whole process; the method can effectively prevent a large amount of turned-up black and odorous bottom mud from diffusing into water to cause secondary pollution while uniformly adding sodium acetate into the black and odorous bottom mud, can automatically and completely bury the sodium acetate into the black and odorous bottom mud, and can press down the turned-up black and odorous bottom mud to prevent the sodium acetate from diffusing into the water during burying.
The separating mechanism 1 comprises a first motor 101, a screw rod 102, a fixing frame 103, a first connecting frame 104, a polished rod 105, a first dispersing column 106, a fixing plate 107, a second dispersing column 108 and a first partition plate 109; the first motor 101 is fixedly connected with the screw rod 102 through an output shaft; the first motor 101 is fixedly connected with the fixing frame 103; the screw rod 102 is rotationally connected with the fixing frame 103; the screw rod 102 is connected with the first connecting frame 104 in a screwing way; the fixed frame 103 is fixedly connected with the floating plate 4; the fixing frame 103 is fixedly connected with the polished rod 105; the first connecting frame 104 is connected with the blanking mechanism 2; the first connecting frame 104 is connected with the landfill anti-pollution mechanism 3; the first connecting frame 104 is connected with the polished rod 105 in a sliding manner; both sides of the first connecting frame 104 are fixedly connected with a group of first dispersion columns 106; the two groups of first dispersion columns 106 are fixedly connected with a fixing plate 107; the fixing plate 107 is fixedly connected with a plurality of groups of second dispersion columns 108; the fixing plate 107 is fixedly connected with a plurality of groups of first partition plates 109; each set of second dispersion columns 108 is provided with a set of first partition plates 109 on both sides.
When the device is ready to work, the device is suspended on the water surface of the culture pond, enough buoyancy of the device is ensured to stay on the water surface through the first air bag 5, the second air bag 6, the third air bag 7 and the fourth air bag 8, then the power supply is connected externally, a lead wire with proper length is used for connecting the power supply, then the device is started through the controller, the device is driven to slowly move forwards on the water surface through the first electric propeller 9, the second electric propeller 10, the third electric propeller 11 and the fourth electric propeller 12, meanwhile, the first motor 101 starts to work, the first motor 101 drives the screw rod 102 to rotate through the output shaft, the screw rod 102 drives the first connecting frame 104 to move downwards on the polished rod 105, namely, the two groups of first dispersion columns 106, the fixing plate 107, the multiple groups of second dispersion columns 108 and the first partition plate 109 are driven by the first connecting frame 104, the blanking mechanism 2 and the landfill anti-pollution mechanism 3 to move downwards, until the fixed plate 107 is in contact with the surface of the black and odorous sediment, at the moment, two groups of first dispersion columns 106, multiple groups of second dispersion columns 108 and first partition plates 109 all penetrate into the black and odorous sediment, then when the device slowly moves forwards on the water surface, the black and odorous sediment is divided into multiple groups of small blocks by the two groups of first dispersion columns 106, the multiple groups of second dispersion columns 108 and the first partition plates 109, the black and odorous sediment is turned up by the two groups of first dispersion columns 106, the multiple groups of second dispersion columns 108 and the first partition plates 109 to form multiple groups of turning marks, and the multiple groups of first partition plates 109 can prevent the black and odorous sediment from being immediately turned into the separation marks, so that sodium acetate can only stay on the surface of the black and odorous sediment when sodium acetate is added into the blanking mechanism 2; the mechanism completes the separation of the black and odorous bottom mud, and a plurality of traces penetrating into the inner separation mark are formed on the black and odorous bottom mud, so that the blanking mechanism 2 is favorable for adding sodium acetate into the black and odorous bottom mud.
The blanking mechanism 2 comprises a second motor 201, a first transmission shaft 202, a first transmission wheel 203, a sliding sleeve 204, a first bevel gear 205, a fixed block 206, a first electric push rod 207, a second transmission wheel 208, a second transmission shaft 209, a first cam 2010, a second cam 2011, a second connecting frame 2012, a sodium acetate storage barrel 2013, a fan 2014, a material conveying pipe 2015, a protective pipe 2016, a first air outlet pipe 2017, a second air outlet pipe 2018, a third air outlet pipe 2019, a material distributing pipe 2020, a first spring 2021, a third connecting frame 2022, a closer 2023 and a second spring 2024; the second motor 201 is fixedly connected with the first transmission shaft 202 through an output shaft; the second motor 201 is fixedly connected with the second connecting frame 2012; the first transmission shaft 202 is fixedly connected with the first transmission wheel 203; the first transmission shaft 202 is connected with the sliding sleeve 204; the first transmission shaft 202 is rotatably connected with the second connecting frame 2012; the outer ring surface of the first driving wheel 203 is in transmission connection with a second driving wheel 208 through a belt; the sliding sleeve 204 is fixedly connected with a first bevel gear 205; the sliding sleeve 204 is connected with the fixed block 206; the fixed block 206 is fixedly connected with a first electric push rod 207; the first electric push rod 207 is fixedly connected with the second connecting frame 2012; the second driving wheel 208 is fixedly connected with a second transmission shaft 209; the second transmission shaft 209 is connected with the landfill anti-pollution mechanism 3; the second transmission shaft 209 is fixedly connected with the first cam 2010 and the second cam 2011; the second transmission shaft 209 is connected with the second connecting frame 2012 in a rotating way; the second connecting frame 2012 is fixedly connected with the first connecting frame 104; the second connecting frame 2012 is connected with the landfill anti-pollution mechanism 3; the second connecting frame 2012 is fixedly connected with the sodium acetate storage barrel 2013; the second connecting frame 2012 is fixedly connected with the fan 2014; the second connecting frame 2012 is fixedly connected with the material conveying pipe 2015; the lower part of the second connecting frame 2012 is fixedly connected with six groups of first springs 2021; the sodium acetate storage barrel 2013 is fixedly connected with the material conveying pipe 2015; two sides of the fan 2014 are fixedly connected with a group of first air outlet pipe 2017, second air outlet pipe 2018 and third air outlet pipe 2019; the two groups of first air outlet pipes 2017, the second air outlet pipes 2018 and the third air outlet pipes 2019 are fixedly connected with a group of protection pipes 2016 respectively; the two groups of protection tubes 2016 are fixedly connected with the first connecting frame 104; the two groups of protection pipes 2016 are fixedly connected with a material conveying pipe 2015; two groups of protection pipes 2016 are fixedly connected with two sides of the material distributing pipe 2020 respectively; the material distributing pipe 2020 is simultaneously contacted with a plurality of groups of closers 2023; the material distributing pipe 2020 is fixedly connected with a plurality of groups of second springs 2024 at the same time; each group of the closer 2023 is fixedly connected with a group of the second springs 2024 respectively; the multiple groups of closers 2023 are all fixedly connected with the third connecting frame 2022; the third connecting frame 2022 is fixedly connected to the six sets of first springs 2021.
When the fixed plate 107 descends to contact with the black and odorous bottom mud, the material dividing pipe 2020 and the like also descend to a corresponding depth, then when the device slowly moves forwards on the water surface, the two groups of first dispersion columns 106, the multiple groups of second dispersion columns 108 and the first partition plate 109 separate the black and odorous bottom mud and form a black and odorous bottom mud separation mark, the pump in the sodium acetate storage barrel 2013 starts to work, the pump adds sodium acetate to the two ends of the material dividing pipe 2020 through the material conveying pipe 2015, at the same time, the fan 2014 starts to work, the fan 2014 conveys proper wind power to the two ends of the material dividing pipe 2020 through the two groups of first air outlet pipe 2017, the second air outlet pipe 2018 and the third air outlet pipe 2019, then the wind power uniformly blows the sodium acetate at the two ends of the material dividing pipe 2020, at the same time, the second motor 201 starts to work, the second motor 201 drives the first transmission shaft 202 to rotate through the output shaft, the first transmission shaft 202 drives the first transmission wheel 203 to rotate, the first driving wheel 203 drives the second driving wheel 208 to rotate, the second driving wheel 208 drives the first cam 2010 and the second cam 2011 to rotate through the second driving shaft 209, the first cam 2010 and the second cam 2011 drive the third connecting frame 2022 indirectly while rotating, namely, the six groups of first springs 2021 are stretched through the third connecting frame 2022, so that the third connecting frame 2022 moves downwards by a proper distance, when the third connecting frame 2022 moves downwards, the third connecting frame 2022 drives the multiple groups of clokers 2023 to move downwards, namely, the multiple groups of second springs 2024 are stretched through the multiple groups of clokers 2023, so that the multiple groups of clokers 2023 are separated from the material distribution pipe 2020, sodium acetate in the material distribution pipe 2020 can automatically fall onto the surface of the black smelly bottom mud and the black smelly bottom mud through the holes of the clokers 2023 and the material distribution pipe 2020, and then when the first cam 2011 and the second cam 2011 do not impact the third connecting frame 2022, the six groups of first springs 2021 and the multiple groups of second springs 2024 contract, so that the multiple groups of closers 2023 are in contact with the material distributing pipe 2020 again to close the material distributing pipe 2020 again, and when the partition mechanism 1 works, the turned-up black and odorous bottom mud is prevented from being largely immersed into the material distributing pipe 2020, so that the material distributing work of the material distributing pipe 2020 is influenced, meanwhile, the first electric push rod 207 drives the fixing block 206 to move close to the second bevel gear 301, i.e. the sliding sleeve 204 and the first bevel gear 205 are driven to move close to the second bevel gear 301 until the first bevel gear 205 is in running engagement with the second bevel gear 301, then the first transmission shaft 202 transmits the first bevel gear 205 through the sliding sleeve 204, the first bevel gear 205 drives the landfill anti-pollution mechanism 3 to work through the second bevel gear 301, and when the blanking mechanism 2 adds sodium acetate, the landfill anti-pollution mechanism 3 can landfill the sodium acetate added to the surface of the black and odorous bottom mud, the sodium acetate is covered by the black and odorous bottom mud, and in the whole process, the second connecting frame 2012 is fixedly connected with the first connecting frame 104, so that the second connecting frame 2012 can descend when the first connecting frame 104 descends, namely the blanking mechanism 2 descends; the mechanism completes the work of uniformly adding sodium acetate to the surface of the black and odorous substrate sludge and the black and odorous substrate sludge.
The landfill anti-pollution mechanism 3 comprises a second bevel gear 301, a third driving wheel 302, a fourth driving wheel 303, a third transmission shaft 304, a fluted disc 305, a limiting frame 306, a sliding block 307, a fifth driving wheel 308, a sixth driving wheel 309, a vertical plate 3010, a landfill frame 3011, an expansion plate 3012, a baffle 3013, a second partition 3014, a second electric push rod 3015, a third electric push rod 3016, a lower pressing plate 3017, an L-shaped connecting plate 3018, a fourth transmission shaft 3019, a connector 3020 and a fourth connecting frame 3021 of the mechanism; the second bevel gear 301 is fixedly connected with the fourth transmission shaft 3019; the fourth transmission shaft 3019 is fixedly connected with the third driving wheel 302; the fourth transmission shaft 3019 is rotatably connected with the fourth connecting frame 3021; the outer annular surface of the third driving wheel 302 is in transmission connection with a fourth driving wheel 303 through a belt; the fourth driving wheel 303 is fixedly connected with the third transmission shaft 304; the third transmission shaft 304 is fixedly connected with the fluted disc 305; the third transmission shaft 304 is fixedly connected with a fifth transmission wheel 308; the third transmission shaft 304 is rotatably connected with the fourth connecting frame 3021; the fluted disc 305 is fixedly connected with the connector 3020; the connector 3020 is slidably connected to the limiting frame 306; the limiting frame 306 is fixedly connected with the sliding block 307; the slide block 307 is fixedly connected with a vertical plate 3010; the sliding block 307 is connected with the fourth connecting frame 3021 in a sliding manner; the outer annular surface of the fifth driving wheel 308 is in transmission connection with a sixth driving wheel 309 through a belt; the vertical plate 3010 is fixedly connected with the landfill frame 3011; the landfill rack 3011 is fixedly connected with the telescopic plate 3012; the expansion plate 3012 is fixedly connected with the baffle 3013; the expansion plate 3012 is fixedly connected with the second partition 3014 through a connecting block; the baffle 3013 is fixedly connected with the second clapboard 3014; the third transmission shaft 304 to the second partition 3014 and the connector 3020 are provided in one group on both sides of the fourth connecting frame 3021; the other group of third transmission shafts 304 is fixedly connected with a sixth transmission wheel 309; the fourth connecting frame 3021 is fixedly connected with the second connecting frame 2012; the fourth connecting frame 3021 is fixedly connected to the L-shaped connecting plate 3018; the L-shaped connecting plate 3018 is fixedly connected with the second electric push rod 3015 and the third electric push rod 3016 at the same time; the second electric push rod 3015 and the third electric push rod 3016 are both fixedly connected with the lower pressing plate 3017 through connecting blocks; the lower press plate 3017 is in contact with the troweling plate; the two groups of second partition plates 3014 are fixedly connected to the first connecting frame 104.
When the fixing plate 107 contacts with the surface of the black and odorous substrate, the bottoms of the two sets of landfill racks 3011 just contact with the surface of the black and odorous substrate, then when the first bevel gear 205 is meshed with the second bevel gear 301, the first bevel gear 205 drives the second bevel gear 301 to rotate, the second bevel gear 301 drives the third driving wheel 302 through the fourth transmission shaft 3019, the third driving wheel 302 drives the fourth driving wheel 303 to rotate, the fourth driving wheel 303 drives the toothed disc 305 through the third transmission shaft 304, the third transmission shaft 304 drives the fifth driving wheel 308 to rotate, the fifth driving wheel 308 drives the sixth driving wheel 309 to rotate, the sixth driving wheel 309 drives another set of toothed disc 305 through another set of third transmission shaft 304, when the two sets of toothed discs 305 rotate, the two sets of toothed discs 305 drive the two sets of connectors 3020 to rotate respectively, and when the two sets of connectors 3020 rotate, the two sets of connectors 3020 slide in the limit frames of the limit frames 306, and the two sets of limit frames 306 are made to horizontally reciprocate, namely, the two sets of sliding blocks 307 are driven to slide on the fourth connecting frame 3021, when the two sets of fluted discs 305 rotate, the two sets of sliding blocks 307 are made to move away from each other on the fourth connecting frame 3021 in opposite directions, namely, the two sets of vertical plates 3010 are driven to move away from each other through the two sets of sliding blocks 307, namely, the two sets of landfill frames 3011 are made to move away from each other in opposite directions, so that the two sets of landfill frames 3011 can flatten the turned-up black smelly bottom mud again, namely, the turned-up black smelly bottom mud is filled into the residual traces and the black smelly bottom mud surface during separation, thereby the sodium acetate traces on the black smelly bottom mud surface and the trace during separation are filled through the black smelly bottom mud, so that the black smelly bottom mud covers the sodium acetate, in order to prevent the two sets of landfill frames 3011 from causing large water marks during operation, so that the sodium acetate and the black smelly bottom mud are stirred by the water marks, and pollute the water quality pollutants in the black bottom mud, or sodium acetate loss is caused, and the later black and odorous substrate sludge treatment work is influenced, therefore, a plurality of groups of round holes are arranged on the two groups of landfill racks 3011, the fluctuation of water can be reduced to the greatest extent, meanwhile, in order to prevent a small amount of black and odorous substrate sludge stirred by water waves and pollutants from polluting water quality, when the two groups of landfill racks 3011 work, the two groups of expansion plates 3012 can be compressed, the two groups of expansion plates 3012 can limit a small amount of black and odorous substrate sludge stirred by water waves and pollutants, so that the small amount of black and odorous substrate sludge stirred by water waves and pollutants can only stay in a space formed by the two groups of expansion plates 3012 and the baffle 3013, then the second electric push rod 3015 and the third electric push rod 3016 drive the lower pressing plate 3017 to move downwards, namely, the small amount of black and odorous substrate sludge stirred by water waves and pollutants staying in a space formed by the two groups of expansion plates 3012 and the baffle 3013 are pressed downwards by the lower pressing plate 3017, the black and odorous sediment stays on the surface of the black and odorous sediment for the second time, and a plurality of groups of tiny round holes are also formed in the lower pressing plate 3017, so that large water wave fluctuation can be prevented when the lower pressing plate 3017 is pressed downwards, and the effect of pressing a small amount of black and odorous sediment and pollutants stirred by the water wave downwards can not be achieved; the mechanism completes the work of burying and pressing in the turned black and odorous bottom mud and pollutants stirred by water waves.
Each set of second dispersion columns 108 is provided with a set of first partition plates 109 on both sides.
The separation trace is quickly buried by the turned black and odorous bottom mud.
The multiple groups of closers 2023 are all in contact with the material distribution pipe 2020, and the two sides of the material distribution pipe 2020 are provided with circular rings for sealing.
The multiple groups of closers 2023 can indirectly close the material distribution pipe 2020, so that sodium acetate is added to the surface of the black and odorous bottom mud and the black and odorous bottom mud, and the circular rings sealed at the two sides of the material distribution pipe 2020 can prevent the black and odorous bottom mud and water from being largely immersed into the material distribution pipe 2020.
One end of the limiting frame 306 is provided with a limiting frame.
Thereby limiting the position of connector 3020.
The two groups of landfill racks 3011 are arranged in a V-shape.
The black and odorous substrate sludge can be buried while causing minimal water fluctuation.
The lower press plate 3017 is provided with a plurality of groups of small circular holes.
Prevent the lower press plate 3017 from pressing down, causing great water fluctuation.
Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.
Claims (6)
1. A device for repairing black and odorous bottom mud polluted by organic matters in a culture pond by a separation method comprises a floating plate (4), a first air bag (5), a second air bag (6), a third air bag (7), a fourth air bag (8), a first electric propeller (9), a second electric propeller (10), a third electric propeller (11) and a fourth electric propeller (12); it is characterized by also comprising: the separation mechanism (1), the blanking mechanism (2) and the landfill anti-pollution mechanism (3); the separating mechanism (1) is connected with the blanking mechanism (2); the separation mechanism (1) is connected with the landfill anti-pollution mechanism (3); the separation mechanism (1) is connected with the floating plate (4); the blanking mechanism (2) is connected with the landfill anti-pollution mechanism (3); four corners below the floating plate (4) are respectively connected with a first electric propeller (9), a second electric propeller (10), a third electric propeller (11) and a fourth electric propeller (12); two sides below the floating plate (4) are respectively connected with the first air bag (5) and the fourth air bag (8); two outer sides below the floating plate (4) are respectively connected with a second air bag (6) and a third air bag (7);
the separation mechanism (1) comprises a first motor (101), a screw rod (102), a fixing frame (103), a first connecting frame (104), a polished rod (105), a first dispersion column (106), a fixing plate (107), a second dispersion column (108) and a first partition plate (109); the first motor (101) is fixedly connected with the screw rod (102) through an output shaft; the first motor (101) is fixedly connected with the fixing frame (103); the screw rod (102) is rotationally connected with the fixed frame (103); the screw rod (102) is connected with the first connecting frame (104) in a screwing way; the fixed frame (103) is fixedly connected with the floating plate (4); the fixed frame (103) is fixedly connected with the polish rod (105); the first connecting frame (104) is connected with the blanking mechanism (2); the first connecting frame (104) is connected with the landfill anti-pollution mechanism (3); the first connecting frame (104) is in sliding connection with the polish rod (105); both sides of the first connecting frame (104) are fixedly connected with a group of first dispersion columns (106); the two groups of first dispersion columns (106) are fixedly connected with a fixing plate (107); the fixing plate (107) is fixedly connected with a plurality of groups of second dispersion columns (108) at the same time; the fixing plate (107) is fixedly connected with a plurality of groups of first partition plates (109) at the same time; two sides of each group of second dispersion columns (108) are respectively provided with a group of first partition plates (109);
the blanking mechanism (2) comprises a second motor (201), a first transmission shaft (202), a first transmission wheel (203), a sliding sleeve (204), a first bevel gear (205), a fixed block (206), a first electric push rod (207), a second transmission wheel (208), a second transmission shaft (209), a first cam (2010), a second cam (2011), a second connecting frame (2012), a sodium acetate storage barrel (2013), a fan (2014), a material conveying pipe (2015), a protective pipe (2016), a first air outlet pipe (2017), a second air outlet pipe (2018), a third air outlet pipe (2019), a material distributing pipe (2020), a first spring (2021), a third connecting frame (2022), a closer (2023) and a second spring (2024); the second motor (201) is fixedly connected with the first transmission shaft (202) through an output shaft; the second motor (201) is fixedly connected with the second connecting frame (2012); the first transmission shaft (202) is fixedly connected with the first transmission wheel (203); the first transmission shaft (202) is connected with the sliding sleeve (204); the first transmission shaft (202) is rotatably connected with the second connecting frame (2012); the outer ring surface of the first driving wheel (203) is in transmission connection with a second driving wheel (208) through a belt; the sliding sleeve (204) is fixedly connected with the first bevel gear (205); the sliding sleeve (204) is connected with the fixed block (206); the fixed block (206) is fixedly connected with the first electric push rod (207); the first electric push rod (207) is fixedly connected with the second connecting frame (2012); the second driving wheel (208) is fixedly connected with a second transmission shaft (209); the second transmission shaft (209) is connected with the landfill anti-pollution mechanism (3); the second transmission shaft (209) is fixedly connected with the first cam (2010) and the second cam (2011) at the same time; the second transmission shaft (209) is rotationally connected with the second connecting frame (2012); the second connecting frame (2012) is fixedly connected with the first connecting frame (104); the second connecting frame (2012) is connected with the landfill anti-pollution mechanism (3); the second connecting frame (2012) is fixedly connected with the sodium acetate storage barrel (2013); the second connecting frame (2012) is fixedly connected with the fan (2014); the second connecting frame (2012) is fixedly connected with the material conveying pipe (2015); the lower part of the second connecting frame (2012) is fixedly connected with six groups of first springs (2021); the sodium acetate storage barrel (2013) is fixedly connected with the material conveying pipe (2015); two sides of the fan (2014) are fixedly connected with a group of first air outlet pipe (2017), second air outlet pipe (2018) and third air outlet pipe (2019); the two groups of first air outlet pipes (2017), the second air outlet pipe (2018) and the third air outlet pipe (2019) are fixedly connected with one group of protective pipes (2016) respectively; the two groups of protective tubes (2016) are fixedly connected with the first connecting frame (104); the two groups of protection pipes (2016) are fixedly connected with a material conveying pipe (2015); two groups of protective tubes (2016) are fixedly connected with two sides of the material distributing tube (2020) respectively; the material distributing pipe (2020) is simultaneously contacted with a plurality of groups of closers (2023); the material distributing pipe (2020) is fixedly connected with a plurality of groups of second springs (2024) at the same time; each group of closer (2023) is fixedly connected with a group of second springs (2024) respectively; the multiple groups of closers (2023) are fixedly connected with the third connecting frame (2022); the third connecting frame (2022) is fixedly connected with six groups of first springs (2021);
the landfill anti-pollution mechanism (3) comprises a second bevel gear (301), a third driving wheel (302), a fourth driving wheel (303), a third transmission shaft (304), a fluted disc (305), a limiting frame (306), a sliding block (307), a fifth driving wheel (308), a sixth driving wheel (309), a vertical plate (3010), a landfill frame (3011), a telescopic plate (3012), a baffle (3013), a second partition plate (3014), a second electric push rod (3015), a third electric push rod (3016), a lower press plate (3017), an L-shaped connecting plate (3018), a fourth transmission shaft (3019), a connector (3020) and a fourth connecting frame (3021) of the mechanism; the second bevel gear (301) is fixedly connected with the fourth transmission shaft (3019); the fourth transmission shaft (3019) is fixedly connected with the third transmission wheel (302); the fourth transmission shaft (3019) is connected with the fourth connecting frame (3021) in a rotating mode; the outer ring surface of the third driving wheel (302) is in transmission connection with a fourth driving wheel (303) through a belt; the fourth transmission wheel (303) is fixedly connected with the third transmission shaft (304); the third transmission shaft (304) is fixedly connected with the fluted disc (305); the third transmission shaft (304) is fixedly connected with a fifth transmission wheel (308); the third transmission shaft (304) is rotatably connected with the fourth connecting frame (3021); the fluted disc (305) is fixedly connected with the connector (3020); the connector (3020) is in sliding connection with the limiting frame (306); the limiting frame (306) is fixedly connected with the sliding block (307); the sliding block (307) is fixedly connected with the vertical plate (3010); the sliding block (307) is in sliding connection with the fourth connecting frame (3021); the outer ring surface of the fifth driving wheel (308) is in transmission connection with a sixth driving wheel (309) through a belt; the vertical plate (3010) is fixedly connected with the landfill frame (3011); the landfill frame (3011) is fixedly connected with the expansion plate (3012); the expansion plate (3012) is fixedly connected with the baffle (3013); the expansion plate (3012) is fixedly connected with the second clapboard (3014) through a connecting block; the baffle (3013) is fixedly connected with the second clapboard (3014); a group of connectors (3020) are arranged on the two sides of the fourth connecting frame (3021) from the third transmission shaft (304) to the second clapboard (3014); the other group of third transmission shafts (304) is fixedly connected with a sixth transmission wheel (309); the fourth connecting frame (3021) is fixedly connected with the second connecting frame (2012); the fourth connecting frame (3021) is fixedly connected with the L-shaped connecting plate (3018); the L-shaped connecting plate (3018) is fixedly connected with the second electric push rod (3015) and the third electric push rod (3016) at the same time; the second electric push rod (3015) and the third electric push rod (3016) are fixedly connected with the lower pressing plate (3017) through connecting blocks; the lower pressing plate (3017) is contacted with the trowelling plate; the two groups of second partition plates (3014) are fixedly connected with the first connecting frame (104).
2. The device for repairing the black and odorous bottom mud polluted by the organic matters in the culture pond by the separation method according to claim 1, is characterized in that: two sides of each group of second dispersion columns (108) are respectively provided with a group of first partition plates (109).
3. The device for repairing the black and odorous bottom mud polluted by the organic matters in the culture pond by the separation method according to claim 2, is characterized in that: the multiple groups of closers (2023) are all contacted with the material distribution pipe (2020), and two sides of the material distribution pipe (2020) are provided with circular rings for sealing.
4. The device for repairing the black and odorous bottom mud polluted by the organic matters in the culture pond by the separation method according to claim 3, is characterized in that: one end of the limiting frame (306) is provided with a limiting frame.
5. The device for repairing the black and odorous bottom mud polluted by the organic matters in the culture pond by the separation method according to claim 4, is characterized in that: the two groups of landfill racks (3011) are combined into a V shape.
6. The device for repairing black and odorous bottom mud of the culture pond polluted by organic matters by a separation method according to claim 5, is characterized in that: the lower pressing plate (3017) is provided with a plurality of groups of tiny round holes.
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| CN104071957B (en) * | 2014-07-04 | 2016-08-24 | 哈尔滨工业大学深圳研究生院 | A kind of biochemistry combination technique of in-situ immobilization black smelly bed mud polluted by organic matter |
| WO2021081970A1 (en) * | 2019-11-01 | 2021-05-06 | 南京森淼环保科技有限公司 | Riverway sediment excitation device based on microbubble air flotation effect |
| CN211338983U (en) * | 2019-11-06 | 2020-08-25 | 江苏南大生态环境建设有限公司 | Be applied to prosthetic device of black and odorous river improvement |
| CN111039528B (en) * | 2019-12-27 | 2024-01-09 | 天津市水利工程有限公司 | Underwater dosing system suitable for spherical sediment remediation agent and use method thereof |
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Effective date of registration: 20220623 Address after: 362100 jq565, second floor, Chuangyuan Park, Taiwan Business District, Qianyuan village, Luoyang Town, Taiwan business investment zone, Quanzhou City, Fujian Province Applicant after: Quanzhou Taiwan Investment Zone Ji Rui Technology Co.,Ltd. Address before: 066000 room 1105, unit 3, building 12, Haiyi University, Haigang District, Qinhuangdao City, Hebei Province Applicant before: Li Enchuan |
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