CN113716765B - Municipal sewage treatment device and treatment method - Google Patents

Abstract

The invention provides a municipal sewage treatment device and a treatment method, relating to the technical field of municipal sewage treatment, comprising a base, a pre-filtering mechanism, a secondary filtering mechanism, a stirring mechanism and a mechanical pumping mechanism, wherein a supporting rod is fixedly connected at the left end of the top of the base, a settling tank is fixedly connected at the top of the supporting rod, the screw rod is rotatably connected with the inner cavity of the settling tank, a movable plate is in threaded connection with the screw rod and is obliquely arranged, a first filter screen is embedded on the movable plate, and a slag discharge pipe is communicated with the left side of the settling tank. The efficiency of sewage treatment is improved, the treatment cost is also reduced for the suitability of whole device is stronger.

Description

Municipal sewage treatment device and treatment method

Technical Field

The invention relates to the technical field of municipal sewage treatment, in particular to a municipal sewage treatment device and a treatment method.

Background

The municipal facilities refer to public facilities built by government, legal people or citizen, generally refer to various buildings, structures, equipment and the like in a planning area, and facilities and auxiliary facilities such as urban roads, urban rail transit, water supply, drainage, gas, heat, landscaping, environmental sanitation, road lighting, industrial waste medical waste, domestic sewage treatment equipment, domestic waste treatment equipment, fields and the like;

along with the development of society and the progress of economy, municipal facilities are increased day by day, the demand of cities for environment quality is increased continuously, a large amount of sewage is generated in daily municipal works, sewage treatment refers to a process of purifying the sewage when the sewage meets the water quality requirement of being discharged into a certain water body or being reused, and along with the continuous improvement of the demand of cities for environment quality, the treatment need of the sewage is also important;

sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and increasingly enters the daily life of common people, and upstream suppliers in the sewage treatment industry are mainly manufacturers of sewage treatment equipment and sewage treatment agent suppliers and belong to industries with fast development and good demand conditions.

Municipal sewage comprises domestic sewage, industrial sewage, runoff sewage and the like, is usually collected by a municipal drainage pipe network and is conveyed to a sewage treatment plant for treatment, and the main pollutants of the sewage comprise pathogen pollutants, oxygen-consuming pollutants, plant nutrients, toxic pollutants and the like; from the viewpoint of sewage source, sewage may be defined as liquid or water carrying wastes mixed with ground water, surface water, snow storm, etc. discharged from a residential, an institutional, commercial or industrial area; sewage is classified into many categories, and there are many techniques and processes for reducing the environmental impact of sewage accordingly.

And because municipal sewage not only contains a large amount of bacteria, organic pollutant in the municipal sewage, the stench that municipal sewage gived off can produce not neglectable influence to environmental quality and people's life, along with people's environmental awareness and the improvement to living environment quality requirement, also higher and higher to the requirement of municipal sewage's treatment effect.

However, the existing sewage treatment system is complex, the sewage treatment efficiency is low, the sewage treatment cost is high, the applicability is poor when a large amount of municipal sewage is treated, and after the sewage treatment system is used for a long time, the sewage treatment system cannot be applied even due to filtering blockage, manual treatment is needed, the whole sewage treatment effect is affected, the oxidative decomposition of organic substances in a water body is insufficient, and high-quality disinfection treatment is lacked, so that the sewage treatment quality cannot well meet the requirements.

Disclosure of Invention

The invention aims to provide a municipal sewage treatment device and a treatment method, which aim to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a municipal administration sewage treatment plant, the on-line screen storage device comprises a base, prefiltering mechanism, second grade filtering mechanism, rabbling mechanism and mechanical type pump drainage mechanism, prefiltering mechanism includes the bracing piece, the setting tank, the lead screw, the movable plate, first filter screen and row's sediment pipe, the bracing piece rigid coupling is at the left end at base top, the setting tank rigid coupling is at the top of bracing piece, the lead screw rotates the inner chamber of connection at the setting tank, movable plate threaded connection is on the lead screw, and movable plate slope sets up, first filter screen inlays the setting on the movable plate, row's sediment pipe intercommunication is in the left side of setting tank, the top of setting tank still is equipped with the water inlet.

Preferably, second grade filtering mechanism includes the rose box, the extension board, the telescopic link, second filter screen and connecting pipe, the left side at base top is equipped with handles the case, the rose box sets up on the left side wall of handling the incasement chamber, and with subside high setting of case, the extension board rigid coupling is on the inner wall of handling the case, and be located the top of rose box, the telescopic link rigid coupling is in the bottom of extension board, second filter screen rigid coupling is at the output of telescopic link, and slide along the inner wall of rose box, the connecting pipe intercommunication is between subside case and rose box, the bottom of connecting pipe is equipped with row cinder notch.

Preferably, the rabbling mechanism includes the agitator tank, driving motor, the bull stick, the puddler, the third filter screen, first calandria and filling tube, the agitator tank is installed on the right side wall of handling the incasement chamber, driving motor installs the top of handling the case, the bull stick rigid coupling is at driving motor's output, the puddler welding is on the bull stick, and be located the inner chamber of agitator tank, the puddler slope sets up, the right-hand member of third filter screen rigid coupling bottom the agitator tank, first calandria intercommunication is close to the position of third filter screen on the agitator tank right side, the filling tube is pegged graft on the right side of handling the case, and be located the top of agitator tank, install the control valve on the filling tube, ozone generating device is still installed in the left side of agitator tank, and ozone generating device's delivery outlet is located the opening top of rose tank.

Preferably, the mechanical pumping and discharging mechanism comprises a connecting pump, an input pipe, an output pipe, a transmission rod, bevel gears, a first transmission belt, a rotary joint and a second transmission belt, the connecting pump is arranged at the top of the support plate, one end of the input pipe is communicated with the input end of the connecting pump, the other end of the input pipe penetrates through the support plate and is fixedly connected to the top of the second filter screen through a fixing piece, the input pipe is provided with a telescopic part, the output pipe is communicated with the output end of the connecting pump and extends to the inner cavity of the stirring box, the position of the output pipe in the inner cavity of the stirring box is provided with a small hole, the transmission rod is rotatably connected to the top of the support plate, the first transmission belt is arranged between the transmission rod and the rotary rod, the bevel gears are arranged on the transmission rod, the output shaft of the connecting pump is also provided with the bevel gears, the two groups of bevel gears are meshed, the rotary joint is connected in series to the output pipe, and the second transmission belt is sleeved between the output pipe and the rotary rod, and is located below the rotary joint.

Preferably, the treatment box is internally provided with a transmission mechanism, the transmission mechanism comprises a second transmission rod, a third transmission rod, second bevel gears, gear disks, a first half-gear disk, a second half-gear disk and a third transmission belt, the second transmission rod is rotatably connected to the bottom of the inner cavity of the treatment box, the third transmission rod is rotatably connected to the left side wall of the treatment box, the second bevel gears are respectively arranged on the second transmission rod and the third transmission rod, the two sets of second bevel gears are meshed with each other, the gear disks are also provided with two sets, the two sets of gear disks are fixedly connected to the second transmission rod, the first half-gear disk and the second half-gear disk are sequentially arranged on the rotating rod from top to bottom and are located below the stirring box, the first half-gear disk and the second half-gear disk are respectively in transmission connection with the two sets of gear disks, and the third transmission belt is sleeved between the third transmission rod and the screw rod.

Preferably, the position that the connecting tube inner chamber is close to the settling tank still is equipped with vibration mechanism, and vibration mechanism includes horizontal pole, dwang, big connecting ball, little connecting ball and vibrator, and the horizontal rigid coupling of horizontal pole is at the inner chamber of connecting tube, and the dwang articulates on the horizontal pole, and big connecting ball is installed in the dwang and is close to the one end of first filter screen, and little connecting ball rigid coupling is at the other end of dwang, and the vibrator is installed and is being close to the left position of little connecting ball at the connecting tube inner wall.

Preferably, the base top still is equipped with the disinfect box, and disinfect box and first drain pipe intercommunication, and the left side of disinfect box is equipped with the liquid storage pot, and the below of liquid storage pot is equipped with the fluid-discharge tube, and fluid-discharge tube and disinfect box intercommunication, and the top of disinfect box inner chamber is equipped with the disinfection lamp, and the right side of disinfect box is equipped with the second drain pipe.

Preferably, the inner chamber of disinfect box still is equipped with adjustment mechanism, adjustment mechanism includes the limiting plate, the kicking block, the gag lever post, the dog, branch and second dog, the horizontal rigid coupling of limiting plate is on the left side wall of disinfect box, be equipped with spacing hole on the limiting plate, gag lever post swing joint is in the inner chamber in spacing hole, the kicking block rigid coupling is in the bottom of gag lever post, the dog rigid coupling is at the top of gag lever post, and slide along the inner wall of disinfect box, the horizontal rigid coupling of branch is on the right side of gag lever post, the one end of gag lever post is kept away from at branch to the second dog rigid coupling, and slide along the right side wall of disinfect box inner chamber.

Preferably, the inner chamber of disinfect box still is equipped with complementary unit, complementary unit includes the connecting axle, stirring leaf and third bevel gear, the connecting axle level sets up the inner chamber at the disinfect box, and the left end of connecting axle extends to the inner chamber of handling the case, the welding of stirring leaf is on the connecting axle, the third bevel gear includes third bevel gear an and third bevel gear b, third bevel gear an installs the left end at the connecting axle, third bevel gear b installs on the bull stick, and third bevel gear an and third bevel gear b mesh mutually.

A municipal sewage treatment method adopts the municipal sewage treatment device, and comprises the following steps:

s1, firstly, municipal sewage is led into a settling tank from a water inlet, the water inlet is closed in time, then a driving motor is turned on, the driving motor drives a second transmission rod to periodically rotate forwards and backwards through a first half fluted disc and a second half fluted disc, so that a third transmission rod also periodically rotates forwards and backwards, a screw rod also periodically rotates forwards and backwards through a third transmission belt, when the screw rod rotates forwards, a movable plate moves leftwards to drive a first filter screen to filter the sewage in the settling tank, when the screw rod rotates backwards, the movable plate moves rightwards, when the screw rod moves rightwards to enable the first filter screen to contact a large connecting ball, the rotating rod can rotate, so that a small connecting ball is in contact with a vibrator, and through the opened vibrator, the large connecting ball vibrates and is transmitted to the first filter screen to vibrate the first filter screen, so that attached impurities are vibrated, and the impurities are prevented from being blocked;

s2, after the sewage is filtered by the first filter screen, the sewage enters the filter box along with the U-shaped connecting pipe, the second filter screen descends by opening the telescopic rod, so that impurities in the sewage are pressed below the second filter screen to realize secondary filtering, when the driving motor works, the driving rod is driven to rotate by the first driving belt, the connecting pump is driven to work due to the arranged bevel gear, when the second filter screen is positioned above the liquid level of the filter box, the connecting pump works to pump the ozone generated by the ozone generating device into the filter box through the input pipe and then discharge the ozone from the small hole of the output pipe, when the second filter screen is positioned below the liquid level in the filter box, the water which is clear above the second filter screen is pumped into the filter box by the connecting pump and then enters the stirring box through the small hole, so that the liquid and the ozone are introduced into the stirring box, and the oxygen decomposed by the ozone can rapidly generate oxidation reaction with the liquid, oxidizing organic matter in the water;

s3, adding a flocculating agent through the feeding pipe, driving the stirring rod to rotate along with the work of the driving motor, wherein the flocculation effect can be better when the stirring rod rotates, and the rotation of the rotating rod can drive the output pipe to rotate, so that the small holes can output ozone to all directions of the liquid in the stirring box, the aeration effect is achieved, and the ozone can disinfect the liquid;

s4, after the liquid is treated by the stirring box, the liquid enters the disinfection box from the first drain pipe, the liquid storage tank slowly flows disinfectant into the disinfection box through the drain pipe, the floating block rises along with the rise of the water level in the disinfection box, the stop block also rises along with the rise of the water level through the limiting rod until the stop block is stopped at the tail end of the first drain pipe, the second stop block is stopped at the tail end of the drain pipe, the water level stops rising, a proper amount of liquid flows into the disinfection box, at the moment, the connecting shaft rotates under the driving of the driving motor, the disinfectant and the liquid are fully mixed through the stirring blades, the final disinfection is finished, the disinfection lamp is turned on, the disinfection effect is enhanced, and then the second drain pipe is opened to discharge the treated sewage.

Compared with the prior art, the invention has the beneficial effects that:

(1) according to the invention, through the designed mechanical pumping and discharging mechanism, the ozone generated by the ozone generating device and the filtered liquid are pumped into the stirring box at intervals by the connecting pump, then the sewage is rapidly treated in a mode of synchronous stirring and aeration, so that the treatment degree of the sewage is effectively improved, and the sewage is further sterilized by the sterilizing box, so that the treatment effect of the sewage is better, the whole treatment process is synchronously driven by a group of motors, the treatment flow is smooth and reasonable, the sewage treatment efficiency is improved, the treatment cost is also reduced, and the applicability of the whole device is stronger;

(2) according to the invention, the sewage is efficiently filtered by designing the plurality of filtering mechanisms, and the filtering component is not easy to block when in use, so that the whole device is convenient to use continuously, and the treatment effect is better;

(3) the invention can control the total amount of liquid entering the disinfection box through the designed adjusting mechanism, thereby enabling the sewage to be disinfected in batches, realizing automation to a certain degree by utilizing the buoyancy control of the floating block in the whole water inlet process, and further improving the sewage treatment effect.

Of course, it is not necessary for any one product that embodies the invention to achieve all of the above advantages simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of example 1 of the present invention;

FIG. 2 is a schematic structural diagram of embodiment 5 of the present invention;

FIG. 3 is a partial structural view of the mechanical pumping mechanism of the present invention;

FIG. 4 is a schematic view of the internal structure of the settling tank of the present invention;

FIG. 5 is a schematic view of the internal structure of the sterilization case of the present invention;

fig. 6 is an enlarged view of a portion a in fig. 5.

In the drawings, the components represented by the respective reference numerals are listed below:

1-a base, 2-a pre-filtering mechanism, 201-a supporting rod, 202-a settling tank, 203-a screw rod, 204-a moving plate, 205-a first filter screen, 206-a slag discharging pipe, 3-a secondary filtering mechanism, 301-a filtering tank, 302-a supporting plate, 303-a telescopic rod, 304-a second filter screen, 305-a connecting pipe, 4-a stirring mechanism, 401-a stirring tank, 402-a driving motor, 403-a rotating rod, 404-a stirring rod, 405-a third filter screen, 406-a first water discharging pipe, 407-a feeding pipe, 5-a mechanical pumping mechanism, 501-a connecting pump, 502-an input pipe, 503-an output pipe, 504-a transmission rod, 505-a bevel gear, 506-a first transmission belt and 507-a rotary joint, 508-a second transmission belt, 6-a water inlet, 7-a treatment tank, 8-a slag discharge port, 9-a control valve, 10-an ozone generating device, 11-a fixing part, 12-a telescopic part, 13-a small hole, 14-a second transmission rod, 15-a third transmission rod, 16-a second bevel gear, 17-a gear disc, 18-a first half-gear disc, 19-a second half-gear disc, 20-a third transmission belt, 21-a cross rod, 22-a rotating rod, 23-a large connecting ball, 24-a small connecting ball, 25-a vibrator, 26-a disinfection tank, 27-a liquid storage tank, 28-a liquid discharge pipe, 29-a disinfection lamp, 30-a second water discharge pipe, 31-a limiting plate, 32-a floating block, 33-a limiting rod and 34-a stopping block, 35-support rod, 36-second block, 37-limiting hole, 38-connecting shaft, 39-stirring blade and 40-third bevel gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a municipal administration sewage treatment plant, the on-line screen storage device comprises a base 1, prefiltering mechanism 2, second grade filter mechanism 3, rabbling mechanism 4 and mechanical type pump drainage mechanism 5, prefiltering mechanism 2 includes bracing piece 201, settling tank 202, lead screw 203, movable plate 204, first filter screen 205 and row's sediment pipe 206, bracing piece 201 rigid coupling is at the left end at base 1 top, settling tank 202 rigid coupling is at the top of bracing piece 201, lead screw 203 rotates the inner chamber of connection at settling tank 202, movable plate 204 threaded connection is on lead screw 203, and movable plate 204 slope sets up, first filter screen 205 is inlayed and is set up on movable plate 204, row's sediment pipe 206 intercommunication is in the left side of settling tank 202, the top of settling tank 202 still is equipped with water inlet 6.

Wherein, second grade filter mechanism 3 includes rose box 301, support board 302, telescopic link 303, second filter screen 304 and connecting pipe 305, the left side at base 1 top is equipped with handles case 7, rose box 301 sets up on the left side wall of handling the case 7 inner chamber, and with high setting of settling tank 202, support board 302 rigid coupling is on the inner wall of handling case 7, and be located the top of rose box 301, telescopic link 303 rigid coupling is in the bottom of support board 302, second filter screen 304 rigid coupling is at the output of telescopic link 303, and slide along the inner wall of rose box 301, connecting pipe 305 communicates between settling tank 202 and rose box 301, the bottom of connecting pipe 305 is equipped with row cinder notch 8.

Wherein, the stirring mechanism 4 comprises a stirring box 401, a driving motor 402, a rotating rod 403, a stirring rod 404, a third filter screen 405, a first drain pipe 406 and a feeding pipe 407, the stirring box 401 is arranged on the right side wall of the inner cavity of the treatment box 7, the driving motor 402 is arranged on the top of the treatment box 7, the rotating rod 403 is fixedly connected with the output end of the driving motor 402, the stirring rod 404 is welded on the rotating rod 403, and is positioned in the inner cavity of the stirring box 401, the stirring rod 404 is obliquely arranged, the third filter screen 405 is fixedly connected at the right end of the bottom of the stirring box 401, the first drain pipe 406 is communicated at the right side of the stirring box 401 close to the third filter screen 405, the feeding pipe 407 is inserted at the right side of the treatment box 7, and is located above the stirring tank 401, the control valve 9 is installed on the feeding pipe 407, the ozone generating device 10 is also installed on the left side of the stirring tank 401, and the output port of the ozone generating device 10 is located above the opening of the filtering tank 301.

Wherein, the mechanical pumping and discharging mechanism 5 comprises a connecting pump 501, an input pipe 502, an output pipe 503, a transmission rod 504, a bevel gear 505, a first transmission belt 506, a rotary joint 507 and a second transmission belt 508, the connecting pump 501 is installed on the top of the support plate 302, one end of the input pipe 502 is communicated with the input end of the connecting pump 501, the other end passes through the support plate 302 and is fixedly connected on the top of the second filter screen 304 through a fixing member 11, the input pipe 502 is provided with a telescopic part 12, the output pipe 503 is communicated with the output end of the connecting pump 501, the output pipe 503 extends to the inner cavity of the stirring tank 401, the output pipe 503 is provided with a small hole 13 at the position of the inner cavity of the stirring tank 401, the transmission rod 504 is rotatably connected on the top of the support plate 302, the first transmission belt 506 is installed between the transmission rod 504 and the rotary rod 403, the bevel gear 505 is installed on the transmission rod 504, the output shaft of the connecting pump 501 is also provided with the bevel gear 505, and the two groups of bevel gears 505 are meshed, the rotary joint 507 is connected in series to the output pipe 503, and the second belt 508 is sleeved between the output pipe 503 and the rotating rod 403 and is located below the rotary joint 507.

Wherein, a transmission mechanism is also arranged in the treatment box, the transmission mechanism comprises a second transmission rod 14, a third transmission rod 15, a second bevel gear 16, a gear plate 17, a first half-gear plate 18, a second half-gear plate 19 and a third transmission belt 20, the second transmission rod 14 is rotatably connected with the bottom of the inner cavity of the treatment box 7, the third transmission rod 15 is rotatably connected with the left side wall of the treatment box 7, the second bevel gear 16 is respectively arranged on the second transmission rod 14 and the third transmission rod 15, two groups of second bevel gears 16 are meshed, two groups of gear discs 17 are also arranged, the two groups of gear discs 17 are fixedly connected on the second transmission rod 14, a first half-gear disc 18 and a second half-gear disc 19 are sequentially arranged on the rotating rod 403 from top to bottom, and is located the below of agitator tank 401, and first half fluted disc 18 and second half fluted disc 19 are connected with two sets of gear wheel 17 transmission respectively, and third drive belt 20 cup joints between third transfer line 15 and lead screw 203.

Example 2

Compared with example 1, the difference is that:

wherein, the position that connecting pipe 305 inner chamber is close to settling tank 202 still is equipped with vibration mechanism, vibration mechanism includes horizontal pole 21, dwang 22, big connecting ball 23, little connecting ball 24 and vibrator 25, horizontal rigid coupling of horizontal pole 21 is at the inner chamber of connecting pipe 305, dwang 22 articulates on horizontal pole 21, big connecting ball 23 is installed and is being close to the one end of first filter screen 205 at dwang 22, little connecting ball 24 rigid coupling is at the other end of dwang 403, vibrator 25 is installed and is being close to the left position of little connecting ball 24 at connecting pipe 305 inner wall, vibrator 25 adopts and selects for use common waterproof model, and vibrator 15 is unanimous to be in the state of opening, when movable plate 204 and big connecting ball 23 part, vibrator 15 also can be through driving little connecting ball 24, make dwang 22 reset.

Example 3

Compared with example 1, the difference is that:

wherein, base 1 top still is equipped with disinfect box 26, and disinfect box 26 and first drain pipe 406 intercommunication, the left side of disinfect box 26 is equipped with liquid storage pot 27, the below of liquid storage pot 27 is equipped with fluid-discharge tube 28, and fluid-discharge tube 28 and disinfect box 26 intercommunication, the top of 26 inner chambers of disinfect box is equipped with sterilamp 29, the right side of disinfect box 26 is equipped with second drain pipe 30, disinfect sewage through the setting of disinfect box, and the appropriate amount of antiseptic solution has been stored in the liquid storage pot 27.

Example 4

Compared with example 1, the difference is that:

wherein, disinfect box 26's inner chamber still is equipped with adjustment mechanism, adjustment mechanism includes limiting plate 31, floating block 32, gag lever post 33, dog 34, branch 35 and second dog 36, the horizontal rigid coupling of limiting plate 31 is on disinfect box 26's left side wall, be equipped with spacing hole 37 on limiting plate 31, gag lever post 33 swing joint is at the inner chamber in spacing hole 37, floating block 32 rigid coupling is in gag lever post 33's bottom, dog 34 rigid coupling is at gag lever post 33's top, and slide along disinfect box 26's inner wall, the horizontal rigid coupling of branch 35 is on gag lever post 33's right side, 36 rigid couplings of second dog keep away from gag lever post 33's one end at branch 35, and slide along the right side wall of disinfect box 26 inner chamber, can control the liquid total amount that gets into the disinfect box through adjustment mechanism, thereby make sewage can divide batch completion disinfection.

Example 5

Compared with the embodiment 1, the difference is that:

wherein, the inner chamber of disinfect box 26 still is equipped with complementary unit, complementary unit includes connecting axle 38, stirring leaf 39 and third bevel gear 40, the connecting axle 38 level sets up the inner chamber at disinfect box 26, and the left end of connecting axle 38 extends to the inner chamber of handling case 7, stirring leaf 39 welds on connecting axle 38, third bevel gear 40 includes third bevel gear an and third bevel gear b, third bevel gear a installs the left end at connecting axle 38, third bevel gear b installs on bull stick 403, and third bevel gear an and third bevel gear b mesh mutually, can accelerate whole disinfection process through complementary unit, thereby improve whole sewage treatment efficiency.

A municipal sewage treatment method adopts the municipal sewage treatment device, and comprises the following steps:

s1, firstly, municipal sewage is led into a settling tank 202 from a water inlet 6, the water inlet 6 is closed in time, then a driving motor 402 is turned on, the driving motor 402 drives a second transmission rod 14 to periodically rotate forwards and backwards through a first half-fluted disc 18 and a second half-fluted disc 19, so that a third transmission rod 15 also periodically rotates forwards and backwards, a screw rod 203 also periodically rotates forwards and backwards through a third transmission belt 20, when the screw rod 203 rotates forwards, a moving plate 204 moves leftwards to drive a first filter screen 205 to filter the sewage in the settling tank 202, when the screw rod 203 rotates backwards, the moving plate 204 moves rightwards, when the first filter screen 205 moves rightwards to contact with a large connecting ball 23, the rotating rod 22 rotates to enable a small connecting ball 24 to contact with a vibrator 25, and the large connecting ball 23 vibrates through the opened vibrator 25 and is transmitted to the first filter screen 205 to vibrate so as to vibrate the first filter screen 205 and shake attached impurities, the blockage is avoided;

s2, after the sewage is filtered by the first filter screen 205, the sewage enters the filter tank 301 along with the U-shaped connecting pipe 305, the second filter screen 304 descends by opening the telescopic rod 303, so that impurities in the sewage are pressed below the second filter screen 304 to realize secondary filtration, when the driving motor 402 works, the driving rod 504 is driven to rotate by the first driving belt 506, the connecting pump 501 is driven to work due to the arranged bevel gear 505, when the second filter screen 304 is positioned above the liquid level of the filter tank 301, the connecting pump 501 works to pump the ozone generated by the ozone generating device 10 through the input pipe 502 and then discharge the ozone from the small hole 13 of the output pipe 503, when the second filter screen 304 is positioned below the liquid level in the filter tank 301, the water which is relatively clear above the second filter screen 304 is pumped by the connecting pump 501 and then enters the stirring tank 401 through the small hole 13, so that liquid and ozone are introduced into the stirring tank 401, the oxygen decomposed by the ozone can quickly generate oxidation reaction with the liquid to oxidize organic substances in the water;

s3, adding a flocculating agent through the feeding pipe 407, driving the stirring rod 404 to rotate along with the work of the driving motor 402, wherein the flocculation effect can be better when the stirring rod rotates, and the output pipe 503 can rotate due to the rotation of the rotating rod 403, so that the small holes 13 can output ozone to all directions of the liquid in the stirring box 401, the aeration effect is achieved, and the liquid can be disinfected by the ozone;

s4, after the liquid is treated by the stirring box 401, the liquid enters the disinfection box 26 from the first drainage pipe 406, the liquid storage tank 27 slowly flows disinfectant into the disinfection box 26 through the drainage pipe 28, the floating block 32 rises along with the rise of the water level in the disinfection box 26, the stop block 34 rises along with the rise of the limit rod 33 until the stop block 34 stops at the tail end of the first drainage pipe 406, the second stop block 36 stops at the tail end of the drainage pipe 28, the water level stops rising, and a proper amount of liquid flows into the disinfection box 26, at this time, under the driving of the driving motor 402, the connecting shaft 38 rotates, the disinfectant and the liquid are fully mixed through the stirring blade 39, the final disinfection is finished, the disinfection lamp 29 is turned on, the disinfection effect is enhanced, and then the second drainage pipe 30 is turned on, and the treated sewage is discharged.

One specific application of this embodiment is: the device supplies electric energy to electrical elements in the device through an external power supply and controls the on-off of the electrical elements through a control switch.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (3)

1. The utility model provides a municipal administration sewage treatment plant which characterized in that: comprises a base (1), a pre-filtering mechanism (2), a secondary filtering mechanism (3), a stirring mechanism (4) and a mechanical pumping mechanism (5), the pre-filtering mechanism (2) comprises a supporting rod (201), a settling box (202), a screw rod (203), a moving plate (204), a first filter screen (205) and a slag discharge pipe (206), the supporting rod (201) is fixedly connected at the left end of the top of the base (1), the settling tank (202) is fixedly connected at the top of the supporting rod (201), the screw rod (203) is rotationally connected with the inner cavity of the settling tank (202), the moving plate (204) is in threaded connection with the screw rod (203), the moving plate (204) is obliquely arranged, the first filter screen (205) is embedded on the moving plate (204), the slag discharge pipe (206) is communicated with the left side of the settling tank (202), and the top of the settling tank (202) is also provided with a water inlet (6);

the secondary filtering mechanism (3) comprises a filtering box (301), a support plate (302), a telescopic rod (303), a second filtering net (304) and a connecting pipe (305), wherein a treatment box (7) is arranged on the left side of the top of the base (1), the filtering box (301) is arranged on the left side wall of an inner cavity of the treatment box (7) and is arranged at the same height as the settling box (202), the support plate (302) is fixedly connected to the inner wall of the treatment box (7) and is positioned above the filtering box (301), the telescopic rod (303) is fixedly connected to the bottom of the support plate (302), the second filtering net (304) is fixedly connected to the output end of the telescopic rod (303) and slides along the inner wall of the filtering box (301), the connecting pipe (305) is communicated between the settling box (202) and the filtering box (301), and a slag discharge port (8) is arranged at the bottom of the connecting pipe (305);

the stirring mechanism (4) comprises a stirring box (401), a driving motor (402), a rotating rod (403), a stirring rod (404), a third filter screen (405), a first drainage pipe (406) and a feeding pipe (407), the stirring box (401) is installed on the right side wall of the inner cavity of the treatment box (7), the driving motor (402) is installed at the top of the treatment box (7), the rotating rod (403) is fixedly connected with the output end of the driving motor (402), the stirring rod (404) is welded on the rotating rod (403) and is located in the inner cavity of the stirring box (401), the stirring rod (404) is obliquely arranged, the third filter screen (405) is fixedly connected with the right end of the bottom of the stirring box (401), the first drainage pipe (406) is communicated with the position close to the third filter screen (405) on the right side of the stirring box (401), and the feeding pipe (407) is inserted on the right side of the treatment box (7), the ozone generator is positioned above the stirring tank (401), the feeding pipe (407) is provided with a control valve (9), the left side of the stirring tank (401) is also provided with an ozone generator (10), and the output port of the ozone generator (10) is positioned above the opening of the filtering tank (301);

the mechanical pumping and discharging mechanism (5) comprises a connecting pump (501), an input pipe (502), an output pipe (503), a transmission rod (504), a bevel gear, a first transmission belt (506), a rotary joint (507) and a second transmission belt (508), wherein the connecting pump (501) is installed at the top of a support plate (302), one end of the input pipe (502) is communicated with the input end of the connecting pump (501), the other end of the input pipe penetrates through the support plate (302) and is fixedly connected to the top of a second filter screen (304) through a fixing piece (11), a telescopic part (12) is arranged on the input pipe (502), the output pipe (503) is communicated with the output end of the connecting pump (501), the output pipe (503) extends to the inner cavity of the stirring box (401), a small hole (13) is formed in the position, located in the inner cavity of the stirring box (401), of the output pipe (503) is rotatably connected to the top of the support plate (302), the first transmission belt (506) is installed between the transmission rod (504) and the rotating rod (403), the bevel gears are installed on the transmission rod (504), the bevel gears are also installed on the output shaft of the connecting pump (501), the two groups of bevel gears are meshed, the rotating joint (507) is connected in series on the output pipe (503), and the second transmission belt (508) is sleeved between the output pipe (503) and the rotating rod (403) and is positioned below the rotating joint (507);

still be equipped with drive mechanism in the processing case, drive mechanism includes second transfer line (14), third transfer line (15), second bevel gear, toothed disc, first half fluted disc (18), second half fluted disc (19) and third drive belt (20), second transfer line (14) rotate to be connected in the bottom of handling case (7) inner chamber, third transfer line (15) rotate to be connected on the left side wall of handling case (7), second bevel gear is respectively on second transfer line (14) and third transfer line (15), and two sets of the meshing of second bevel gear mutually, the toothed disc also is equipped with two sets ofly, two sets of the equal rigid coupling of toothed disc is on second transfer line (14), install on bull stick (403) in proper order under first half fluted disc (18) and second half fluted disc (19) from the top down, and be located the below of agitator tank (401), first half fluted disc (18) and second half fluted disc (19) respectively with two sets of toothed disc transmission is connected, the third transmission belt (20) is sleeved between the third transmission rod (15) and the screw rod (203);

the position that the inner cavity of the connecting pipe (305) is close to the settling tank (202) is further provided with a vibration mechanism, the vibration mechanism comprises a cross rod (21), a rotating rod (22), a large connecting ball (23), a small connecting ball (24) and a vibrator (25), the horizontal rigid coupling of the cross rod (21) is arranged in the inner cavity of the connecting pipe (305), the rotating rod (22) is hinged on the cross rod (21), the large connecting ball (23) is arranged at one end, close to the first filter screen (205), of the rotating rod (22), the small connecting ball (24) is fixedly connected at the other end of the rotating rod (403), and the vibrator (25) is arranged at the left position, close to the small connecting ball (24), of the inner wall of the connecting pipe (305);

the disinfection box (26) is further arranged at the top of the base (1), the disinfection box (26) is communicated with the first drain pipe (406), the liquid storage tank (27) is arranged on the left side of the disinfection box (26), the drain pipe (28) is arranged below the liquid storage tank (27), the drain pipe (28) is communicated with the disinfection box (26), the disinfection lamp (29) is arranged at the top of the inner cavity of the disinfection box (26), and the second drain pipe (30) is arranged on the right side of the disinfection box (26);

the inner cavity of the sterilizing box (26) is also provided with an adjusting mechanism, the adjusting mechanism comprises a limit plate (31), a floating block (32), a limit rod (33), a stop block (34), a support rod (35) and a second stop block (36), the limit plate (31) is horizontally and fixedly connected on the left side wall of the disinfection box (26), a limit hole (37) is arranged on the limit plate (31), the limiting rod (33) is movably connected with the inner cavity of the limiting hole (37), the floating block (32) is fixedly connected with the bottom of the limiting rod (33), the stop block (34) is fixedly connected with the top of the limiting rod (33), and slides along the inner wall of the disinfection box (26), the supporting rod (35) is horizontally and fixedly connected with the right side of the limiting rod (33), the second stop block (36) is fixedly connected to one end, far away from the limiting rod (33), of the support rod (35) and slides along the right side wall of the inner cavity of the disinfection box (26).

2. The municipal sewage treatment device of claim 1, wherein: the inner cavity of the disinfection box (26) is further provided with an auxiliary mechanism, the auxiliary mechanism comprises a connecting shaft (38), a stirring blade (39) and a third bevel gear (40), the connecting shaft (38) is horizontally arranged in the inner cavity of the disinfection box (26), the left end of the connecting shaft (38) extends to the inner cavity of the treatment box (7), the stirring blade (39) is welded on the connecting shaft (38), the third bevel gear (40) comprises a third bevel gear a and a third bevel gear b, the third bevel gear a is installed at the left end of the connecting shaft (38), the third bevel gear b is installed on a rotating rod (403), and the third bevel gear a is meshed with the third bevel gear b.

3. A municipal sewage treatment method using the municipal sewage treatment apparatus according to claim 2, comprising the steps of:

s1, firstly, municipal sewage is led into a settling tank (202) from a water inlet (6), the water inlet (6) is closed in time, then a driving motor (402) is turned on, the driving motor (402) drives a second transmission rod (14) to periodically rotate forwards and backwards through a first half-toothed disc (18) and a second half-toothed disc (19), so that a third transmission rod (15) also periodically rotates forwards and backwards, a screw rod (203) also periodically rotates forwards and backwards through a third transmission belt (20), when the screw rod (203) rotates forwards, a moving plate (204) moves leftwards to drive a first filter screen (205) to filter the sewage in the settling tank (202), when the screw rod (203) rotates backwards, the moving plate (204) moves rightwards, when the screw rod (203) moves rightwards to the state that the first filter screen (205) contacts a large connecting ball (23), a rotating rod (22) can be rotated, so that a small connecting ball (24) contacts a vibrator (25), the large connecting ball (23) is vibrated by the opened vibrator (25) and is transferred to the first filter screen (205), so that the first filter screen is also vibrated, attached impurities are vibrated down, and the blockage of the first filter screen is avoided;

s2, after being filtered by the first filter screen (205), sewage enters the filter tank (301) along with the U-shaped connecting pipe (305), the telescopic rod (303) is opened to enable the second filter screen (304) to descend, so that impurities in the water are pressed below the second filter screen (304) to realize secondary filtration, when the driving motor (402) works, the driving rod (504) is driven to rotate through the first driving belt (506), the connecting pump (501) is driven to work due to the arranged bevel gear, when the second filter screen (304) is positioned above the liquid level of the filter tank (301), the connecting pump (501) works, ozone generated by the ozone generating device (10) is pumped into the filter tank through the input pipe (502) and then is discharged from the small hole (13) of the output pipe (503), when the second filter screen (304) is positioned below the liquid level in the filter tank (301), water which is relatively clear above the second filter screen (304) is pumped into the connecting pump (501), then enters the stirring box (401) from the small hole (13), so that liquid and ozone are introduced into the stirring box (401), and oxygen decomposed by the ozone can rapidly generate oxidation reaction with the liquid to oxidize organic substances in water;

s3, adding a flocculating agent through a feeding pipe (407), driving a stirring rod (404) to rotate along with the work of a driving motor (402), wherein the rotating rod (403) rotates to enable the flocculation effect to be better, and an output pipe (503) rotates due to the rotation of the rotating rod (403), so that the small holes (13) can output ozone to all directions of liquid in the stirring tank (401), the aeration effect is achieved, and the ozone can disinfect the liquid;

s4, after the liquid is treated by the stirring box (401), the liquid enters the disinfection box (26) from the first drain pipe (406), the liquid storage tank (27) slowly flows into the disinfection box (26) through the drain pipe (28), the floating block (32) rises along with the rise of the water level in the disinfection box (26), the stop block (34) rises along with the stop rod (33) until the stop block (34) stops at the tail end of the first drain pipe (406), the second stop block (36) stops at the tail end of the drain pipe (28), the water level stops rising, and a proper amount of liquid flows into the disinfection box (26), at the moment, the connecting shaft (38) rotates under the driving of the driving motor (402), the disinfection liquid and the liquid are fully mixed through the stirring blade (39), the final disinfection is finished, the disinfection lamp (29) is turned on, and the disinfection effect is enhanced, then, the second drain pipe (30) is opened to discharge the treated sewage.

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