CN116002785A - Urban domestic wastewater treatment device - Google Patents

Abstract

The invention discloses an urban domestic wastewater treatment device, which comprises a treatment box, wherein the treatment box is internally divided into a separation cavity and a water passing cavity by a vertically fixed partition board, the separation cavity is communicated with the water passing cavity by the lower part of the partition board, the separation cavity is communicated with a water inlet end, and the water passing cavity is communicated with a water outlet end; the filter piece is fixed in the separation cavity, a cleaning piece is arranged above the filter piece, the cleaning piece is lifted in the separation cavity through a lifting piece, and the collecting end of the cleaning piece is contacted with the surface of the filter piece and is used for collecting impurities; the oil separating mouth is arranged on the side wall of the treatment box and between the lowest end of the filtering piece and the bottom end of the partition plate, and a plugging piece is arranged in the oil separating mouth and is in transmission connection with the lifting piece. The invention can realize convenient cleaning of the filter device and reduce the resources required to be consumed during heating and drug administration.

Description

Urban domestic wastewater treatment device

Technical Field

The invention relates to the technical field of wastewater treatment, in particular to an urban domestic wastewater treatment device.

Background

In the treatment of municipal wastewater, the treatment process is usually to first filter out residue impurities, and since the wastewater contains a large amount of oil, the wastewater needs to be subjected to subsequent oil-water separation.

There are various municipal wastewater treatment devices in the prior art, which have problems in that when residue impurities are treated, the residue impurities easily block the filtering device, so that the residue impurities on the filtering device need to be cleaned regularly, the cleaning is difficult, and secondly, when oil-water separation is carried out, the separation efficiency is usually improved in a heating and dosing mode, but when a large amount of wastewater is subjected to oil-water separation, a large amount of resources are consumed for heating and dosing.

Therefore, the urban domestic wastewater treatment device is convenient to clean the filtering device, and the cleaning effect of the filtering device is improved. Meanwhile, when the wastewater is subjected to oil-water separation, the wastewater is pretreated, so that a large amount of oil and a small amount of water are separated from the wastewater, and resources required to be consumed in heating and drug administration are reduced.

Disclosure of Invention

The invention aims to provide an urban domestic wastewater treatment device which solves the problems in the prior art, can facilitate cleaning of a filtering device and simultaneously reduces resources required to be consumed during heating and drug administration.

In order to achieve the above object, the present invention provides the following solutions: the invention provides a municipal wastewater treatment device, which comprises,

the treatment box is internally divided into a separation cavity and a water passing cavity by a vertically fixed partition board, the separation cavity is communicated with the water passing cavity through the lower part of the partition board, the separation cavity is communicated with a water inlet end, and the water passing cavity is communicated with a water outlet end;

the filter piece is fixed in the separation cavity, a cleaning piece is arranged above the filter piece, the cleaning piece is lifted in the separation cavity through a lifting piece, and the collecting end of the cleaning piece is contacted with the surface of the filter piece and is used for collecting impurities;

the oil separating mouth is arranged on the side wall of the treatment box and is arranged between the lowest end of the filtering piece and the bottom end of the partition plate, and a blocking piece is arranged in the oil separating mouth and is in transmission connection with the lifting piece.

Further, the filter piece comprises an arc-shaped screen arranged in the separation cavity, two ends of the arc-shaped screen are fixedly connected with frame plates respectively, and the two frame plates are fixedly connected with the inner wall of the treatment box and one side wall of the partition plate respectively.

Further, the two opposite side walls of the treatment box are provided with moving ports, the cleaning piece comprises a rotary drum, the rotary drum is rotated by a driving piece arranged outside the treatment box, two ends of the rotary drum respectively penetrate through the moving ports and are located outside the treatment box, the outer wall of the rotary drum is fixedly connected with a scraping plate, the tail end of the scraping plate is in contact with and is matched with the inner wall of the arc-shaped screen, the side wall of the rotary drum is provided with a feed inlet, the feed inlet is correspondingly arranged with the scraping plate, and the discharge end of the scraping plate is communicated with the feed inlet.

Further, the lifting piece comprises a lifting cylinder fixed at the top end of the treatment box, two connecting rods are fixedly connected to the movable end of the lifting cylinder, connecting rings are respectively sleeved at two ends of the rotary cylinder, the connecting rings are rotationally connected with the rotary cylinder, and the other ends of the connecting rods are fixedly connected with the connecting rings.

Further, the driving piece comprises a driving motor fixedly connected with the outer wall of the processing box, the driving motor is located below any moving port, an output gear is fixedly connected with the output end of the driving motor, a transmission gear is fixedly sleeved on the outer wall of one end of the rotary cylinder, and the output gear is meshed with the transmission gear.

Further, an outer wall of the treatment box is fixedly connected with a telescopic cylinder, a movable end of the telescopic cylinder is fixedly connected with a cleaning plug through a hack lever, the cleaning plug is correspondingly arranged with the rotary cylinder, the outer wall of the cleaning plug is matched with the inner wall of the rotary cylinder, a collecting box is arranged on one side, away from the telescopic cylinder, of the treatment box, and the collecting box is communicated with one end of the rotary cylinder.

Further, the plugging piece is in including setting up divide the shutoff board of hydraulic fluid port, the treatment box lateral wall seted up with the holding tank that the shutoff board matches, the holding tank is located shutoff board top, the shutoff board pass through the stock with the connecting rod rigid coupling.

Further, a baffle is arranged in the water passing cavity, the bottom end of the baffle is fixedly connected with the bottom end of the inner wall of the treatment box, the baffle is correspondingly arranged with the baffle, the bottom end of the baffle is lower than the top end of the baffle, a secondary filter screen is arranged between the baffle and the baffle, one end of the secondary filter screen penetrates through the treatment box and stretches out of the treatment box, and the secondary filter screen is detachably connected with the baffle.

Further, an air floating plate is arranged in the separation cavity and fixedly connected with the inner wall of the bottom end of the treatment box.

Further, the water inlet end is the inlet tube, the water outlet end setting of inlet tube is in on the arc screen cloth and with the separation intracavity is linked together, the water outlet end is the outlet pipe, the outlet pipe water inlet end with cross water chamber intercommunication, cross the intracavity rigid coupling and have the bounding wall, the bounding wall cover is established outside the outlet pipe water inlet end, just the bounding wall bottom with the baffle bottom flushes.

The invention discloses the following technical effects:

1. the cleaning piece is arranged above the filtering piece, impurities on the cleaning piece are cleaned by the filtering piece, and therefore the using effect of the filtering piece is guaranteed.

2. The separation cavity and the water passing cavity are communicated through the lower part of the partition plate, and the oil with lighter weight floats on the water surface, so that the oil in the separation cavity cannot enter the water passing cavity, and oil-water separation is realized.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view showing a state of wastewater treatment;

FIG. 2 is a schematic view of the internal structure of the processing tank of FIG. 1;

FIG. 3 is a perspective view showing a state of cleaning an arc-shaped screen;

FIG. 4 is a schematic view of the internal structure of the processing tank of FIG. 3;

FIG. 5 is a perspective view of the structure within the processing chamber;

FIG. 6 is an exploded view of the connection of the secondary screen to the treatment tank;

FIG. 7 is an exploded view of the junction of the collection tank and the process tank;

the device comprises a 1-treatment box, a 2-separation cavity, a 3-water passing cavity, a 4-oil separating port, a 5-arc screen, a 6-frame plate, a 7-moving port, an 8-rotary drum, a 9-scraping plate, a 10-feeding port, an 11-lifting cylinder, a 12-connecting rod, a 13-connecting ring, a 14-driving motor, a 15-output gear, a 16-transmission gear, a 17-telescopic cylinder, a 18-frame rod, a 19-cleaning plug, a 20-collecting box, a 21-plugging plate, a 22-containing groove, a 23-long rod, a 24-baffle, a 25-secondary screen, a 26-air flotation plate, a 27-water inlet pipe, a 28-water outlet pipe and a 29-coaming; 30-partition plates, 31-collecting boxes, 32-liquid pumping and mixing pipes, 33-L-shaped brackets and 34-mounting plates.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.

Referring to fig. 1-7, the invention provides an urban domestic wastewater treatment device, which comprises a treatment box 1, wherein the treatment box 1 is internally divided into a separation cavity 2 and a water passing cavity 3 by a vertically fixed partition board 30, the separation cavity 2 is communicated with the water passing cavity 3 by the lower part of the partition board 30, the separation cavity 2 is communicated with a water inlet end, and the water passing cavity 3 is communicated with a water outlet end; the filter piece is fixed in the separation cavity 2, a cleaning piece is arranged above the filter piece, the cleaning piece is lifted in the separation cavity 2 through a lifting piece, and the collecting end of the cleaning piece is contacted with the surface of the filter piece and is used for collecting impurities; the oil distributing port 4 is formed in the side wall of the treatment box 1 and is arranged between the lowest end of the filtering piece and the bottom end of the partition plate 30, and a plugging piece is arranged in the oil distributing port 4 and is in transmission connection with the lifting piece.

Specifically, this waste water treatment device has two states, wherein, when carrying out oil water separation, cleaning member is not contacted with the filter element under the effect of lifting part, the shutoff piece does not carry out shutoff to oil distributing port 4 this moment, untreated waste water gets into treatment case 1 and falls to the filter element by the inlet end, impurity remains on the filter element after filtering by the filter element, waste water continues to fall, because baffle 30's existence, oil floats on the waste water surface, waste water gets into water cavity 3 after passing through baffle 30 below, discharge treatment case 1 by the outlet end after passing through water cavity 3, and a large amount of oil and a small amount of waste water are derived and are collected by oil distributing port 4, carry out oil water separation to the mixture of collecting.

In another state, after the filter works for a period of time, impurities on the surface of the filter need to be cleaned, the lifting piece drives the cleaning piece to descend so that the collecting end of the cleaning piece is in contact with the surface of the filter, meanwhile, the lifting piece drives the blocking piece to move so that the blocking piece blocks the oil distributing port 4, then the cleaning piece works, the collecting end on the cleaning piece scratches the impurities on the surface of the filter and collects the impurities, and finally the impurities are discharged out of the treatment box 1 by the cleaning piece.

Further, the outer wall of the treatment tank 1 is fixedly connected with a collection tank 31, the collection tank 31 is correspondingly arranged and communicated with the oil distributing port 4, and the collection tank 31 is communicated with a mixed liquid pumping pipe 32. The collection tank 31 is used for collecting the mixed liquid discharged from the oil separation port 4, and is guided into an oil-water separation device (not shown in the figure) by the mixed liquid pumping pipe 32 for fine oil-water separation.

Specifically, the top end or the side wall, or both the top end and the side wall of the partition board 30 are fixedly connected with the inner wall of the processing box 1, so that the partition board 30 is fixed in the processing box 1 while the bottom end is not contacted with the inner wall of the bottom end of the processing box 1.

Compared with the prior art, for example, the patent with the application number of CN201811501229.8, the technical scheme provides that the baffle plate drives filtered residues to rotate to one side of the scraper plate in the prior art, and the scraper plate scrapes residues on the baffle plate into the waste bin to realize automatic cleaning of the filtering device. Compared with the prior art, the technical scheme has better filtering effect on residues contained in the wastewater, the problem that filtered residues on the filter screen reenter the wastewater can not occur, so that the material passing effect on the wastewater is better, and the treatment on the filtering device is convenient.

In addition, for the current heating and the oil water separating of dosing, for example, patent application number CN202122064346.6, it proposes to utilize drive arrangement to carry out centrifugal operation to waste water, filter impurity again, for this prior art, this technical scheme does not need extra drive arrangement when carrying out oil water separating, and separation effect is good, carry out pretreatment to waste water when carrying out oil water separating to waste water, can get rid of a large amount of oil in the waste water, and through follow-up dosing and heating, because the content of oil reduces in the waste water, the oil in the waste water is convenient for separate with water, consequently reducible dosage and corresponding reduction to the heating time of waste water.

Further optimizing scheme, the filter element is including setting up the arc screen cloth 5 in separation chamber 2, and arc screen cloth 5 both ends rigid coupling have frame plate 6 respectively, and two frame plates 6 are with the inner wall of processing box 1 and baffle 30 a side wall rigid coupling respectively. The arc screen 5 is used for carrying out impurity filtration to waste water, and simultaneously, arc screen 5 is not provided with two other both sides of frame plate 6, and its side contacts with the treatment tank 1 inner wall respectively to guarantee to effectively filter waste water, frame plate 6 is used for supporting arc screen 5.

Further optimizing scheme, the two opposite side walls of handling case 1 have been seted up and have been moved mouth 7, the clearance piece includes a rotary drum 8, rotary drum 8 is rotatory through setting up the external driving piece of handling case 1, the both ends of rotary drum 8 pass respectively and move mouth 7 and be located handling case 1 outward, rotary drum 8 outer wall rigid coupling has a scraping plate 9, scrape the terminal contact of plate 9 and arc screen cloth 5 inner wall and adaptation, a feed inlet 10 has been seted up to rotary drum 8 lateral wall, feed inlet 10 and scrape the corresponding setting of plate 9, and scrape the discharge end and the feed inlet 10 intercommunication of plate 9.

The rotary drum 8 can rotate relative to the treatment box 1, and meanwhile, under the action of the lifting piece, the rotary drum 8 can move in the moving opening 7, so that the position change is realized, and as can be understood, when the rotary drum 8 is in transmission with the driving piece, the rotary drum 8 is positioned at the lower position in the moving opening 7, the scraping plate 9 contacts with the surface of the arc-shaped screen 5, the scraping plate 9 scrapes impurities on the surface of the arc-shaped screen 5, and the impurities move on the surface of the arc-shaped screen 5 and enter the rotary drum 8 through the feeding opening 10, so that the cleaning and collection of the impurities on the surface of the arc-shaped screen 5 are realized.

Wherein, the scraping plate 9 middle part position has certain radian to realize the collection to impurity.

Further optimizing scheme, the lifting piece is including fixing the lift cylinder 11 on handling case 1 top, and lift cylinder 11 expansion end rigid coupling has two connecting rods 12, and the cover is equipped with go-between 13 respectively at rotary drum 8 both ends, and go-between 13 and rotary drum 8 rotate to be connected, and the other end of two connecting rods 12 is with two go-between 13 rigid couplings respectively.

The movable end of the lifting cylinder 11 moves, the connecting ring 13 is driven to lift through the connecting rod 12, the transmission and the transmission release of the rotary drum 8 and the driving piece are realized, when the rotary drum 8 and the driving piece are transmitted, impurities on the arc-shaped screen 5 are cleaned, when the rotary drum 8 and the driving piece are separated, the filtering of waste water is realized, namely the rotary drum 8 and the scraping plate 9 on the rotary drum 8 are far away from the arc-shaped screen 5, and the waste water which passes through the arc-shaped screen 5 is not influenced.

In a further optimized scheme, the driving piece comprises a driving motor 14 fixedly connected with the outer wall of the treatment box 1, the driving motor 14 is positioned below any moving port 7, an output gear 15 is fixedly connected with the output end of the driving motor 14, a transmission gear 16 is fixedly sleeved on the outer wall of one end of the rotary cylinder 8, and the output gear 15 is meshed with the transmission gear 16.

When the rotary drum 8 and the driving motor 14 are driven, the output gear 15 is meshed with the driving gear 16, and the driving motor 14 drives the rotary drum 8 to rotate, so that the surface of the arc screen 5 is cleaned.

Further optimizing scheme, a telescopic cylinder 17 is fixedly connected to the outer wall of the treatment box 1, a cleaning plug 19 is fixedly connected to the movable end of the telescopic cylinder 17 through a hack lever 18, the cleaning plug 19 is correspondingly arranged with the rotary cylinder 8, the outer wall of the cleaning plug 19 is matched with the inner wall of the rotary cylinder 8, a collecting box 20 is arranged on one side, far away from the telescopic cylinder 17, of the treatment box 1, and the collecting box 20 is communicated with one end of the rotary cylinder 8. When carrying out wastewater treatment, cut and scratch impurity by arc screen cloth 5 and remain in rotary drum 8, rotary drum 8 rises under the effect of lift cylinder 11, and when rotary drum 8 is in the eminence promptly, rotary drum 8's one end corresponds with clearance chock plug 19, stretches out and draws back through starting telescopic cylinder 17 for clearance chock plug 19 reciprocating motion in rotary drum 8, and push the impurity of collecting in the rotary drum 8 in the collecting box 20.

Further optimizing scheme, the shutoff piece is including setting up the shutoff board 21 at dividing the hydraulic fluid port 4, and the holding tank 22 that matches with shutoff board 21 has been seted up to the treatment box 1 lateral wall, and holding tank 22 is located shutoff board 21 top, and shutoff board 21 passes through stock 23 and connecting rod 12 rigid coupling. The plugging plate 21 is used for plugging the oil distributing port 4, when the rotating drum 8 is cleaned, the waste water in the treatment box 1 cannot be led out from the oil distributing port 4, so that the retention time of the waste water in the treatment box 1 can be prolonged, the separation of oil and waste water can be improved in the time period, the oil floats on the water surface, and the oil can be conveniently separated in the subsequent filtering process.

Further optimizing scheme is provided with baffle 24 in the water chamber 3, baffle 24 bottom and the inner wall bottom rigid coupling of handling case 1, baffle 24 and baffle 30 correspond the setting, are lower than baffle 24 top at baffle 30 bottom, are provided with secondary filter screen 25 between baffle 24 and the baffle 30, and secondary filter screen 25's one end runs through handling case 1 and stretches out outside handling case 1, and secondary filter screen 25 and baffle 30 detachable connection.

The baffle 24 is used for carrying out secondary separation, and it can be understood that the liquid level in the separation chamber 2 is the same as the height of the top end of the baffle 24, so that separated waste water is guided out from the top end of the baffle 24, meanwhile, the bottom end of the oil separating port 4 is slightly higher or slightly lower than the top end of the baffle 24, when the bottom end of the oil separating port 4 is slightly higher than the top end of the baffle 24, the waste water cannot be guided out from the top end of the baffle 24 rapidly due to high waste water flow, and therefore part of waste water carrying oil overflows from the oil separating port 4. When the bottom end of the oil separating port 4 is slightly lower than the top end of the baffle plate 24, the waste water cannot be rapidly guided out by the oil separating port 4 when the waste water flow is large, so that the residual waste water overflows from the baffle plate 24.

Wherein, the existence of secondary filter screen 25 is used for carrying out secondary filtration impurity, and it is detachable for processing case 1, convenient change maintenance.

Specifically, an L-shaped bracket 33 is fixedly connected to one side of the baffle plate 30, which is close to the baffle plate 24, and a mounting plate 34 is fixedly connected to one side of the bottom end of the secondary filter screen 25, and the mounting plate 34 is located in the L-shaped bracket 33 and detachably connected with the L-shaped bracket 33, so that the secondary filter screen 25 is detachable relative to the treatment box 1.

In a further optimization scheme, an air floatation plate 26 is arranged in the separation cavity 2, and the air floatation plate 26 is fixedly connected with the inner wall of the bottom end of the treatment box 1. The air floating plate 26 can adopt a micro-nano bubble generator, the air floating plate 26 generates micro-nano bubbles in the water body, and the micro-nano bubbles drive the oil in the water body to float to the surface of the water body integrally, so that the oil-water separation is facilitated.

The air bearing plate 26 may be operated when cleaning the rotary cylinder 8, or may be operated in the whole process, which is not limited herein.

Further optimizing scheme, the water inlet end is inlet tube 27, and inlet tube 27's play water end setting just communicates with separation chamber 2 in arc screen cloth 5 top, and the water outlet end is outlet pipe 28, and outlet pipe 28 water inlet end communicates with water chamber 3, and the rigid coupling has bounding wall 29 in the water chamber 3, and bounding wall 29 cover is established outside outlet pipe 28 water inlet end, and bounding wall 29 bottom flushes with baffle 30 bottom.

The inlet pipe 27 is used for inputting waste water to the treatment tank 1, the outlet pipe 28 is used for outputting treated waste water, and the coaming 29 is used for performing secondary blocking, so that the effect is the same as that of the baffle plate 30, and residual oil is prevented from being led out by the outlet pipe 28.

Further, a liquid discharge pipe (not shown in the figure) is communicated in the water passing cavity 3, and a valve capable of being controlled to open and close is arranged on the liquid discharge pipe. The liquid discharge pipe is communicated and closed by opening and closing the valve, and oil in the water passing cavity 3 is periodically led out of the treatment tank 1.

In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.

Claims (10)

1. A municipal domestic wastewater treatment device is characterized in that: comprising the steps of (a) a step of,

the treatment box (1), separate into separation chamber (2) and water passing chamber (3) through baffle (30) of vertical fixation in the treatment box (1), separation chamber (2) pass through baffle (30) below with water passing chamber (3) intercommunication, separation chamber (2) intercommunication has the water inlet, water passing chamber (3) intercommunication has the water outlet;

the filter piece is fixed in the separation cavity (2), a cleaning piece is arranged above the filter piece, the cleaning piece is lifted in the separation cavity (2) through a lifting piece, and the collecting end of the cleaning piece is contacted with the surface of the filter piece and is used for collecting impurities;

an oil separating port (4) is formed in the side wall of the treatment box (1), the oil separating port is arranged between the lowest end of the filtering piece and the bottom end of the partition plate (30), and a blocking piece is arranged in the oil separating port (4) and is in transmission connection with the lifting piece.

2. The municipal domestic wastewater treatment device according to claim 1, wherein: the filter element comprises an arc-shaped screen (5) arranged in the separation cavity (2), two ends of the arc-shaped screen (5) are fixedly connected with frame plates (6) respectively, and the two frame plates (6) are fixedly connected with the inner wall of the treatment box (1) and one side wall of the partition plate (30) respectively.

3. The municipal solid waste treatment device according to claim 2, wherein: the utility model discloses a cleaning device for a kitchen ware, including a processing box (1), including arc screen cloth (5) inner wall, including a rotary drum (8), rotary drum (8) are in through setting up the outer driving piece of processing box (1) is rotatory, the both ends of rotary drum (8) pass respectively remove mouthful (7) and be located outside processing box (1), rotary drum (8) outer wall rigid coupling has one and scrapes board (9), scrape board (9) terminal with arc screen cloth (5) inner wall contact and adaptation, a feed inlet (10) have been seted up to rotary drum (8) lateral wall, feed inlet (10) with scrape board (9) and correspond the setting, just scrape the discharge end of board (9) with feed inlet (10) intercommunication.

4. A municipal domestic wastewater treatment apparatus according to claim 3, wherein: the lifting piece comprises a lifting cylinder (11) fixed at the top end of the treatment box (1), two connecting rods (12) are fixedly connected to the movable end of the lifting cylinder (11), connecting rings (13) are respectively sleeved at two ends of the rotary cylinder (8), the connecting rings (13) are rotationally connected with the rotary cylinder (8), and the other ends of the connecting rods (12) are fixedly connected with the connecting rings (13).

5. A municipal domestic wastewater treatment apparatus according to claim 3, wherein: the driving piece comprises a driving motor (14) fixedly connected with the outer wall of the processing box (1), the driving motor (14) is located below any moving port (7), an output gear (15) is fixedly connected with the output end of the driving motor (14), a transmission gear (16) is fixedly sleeved on the outer wall of one end of the rotating cylinder (8), and the output gear (15) is meshed with the transmission gear (16).

6. A municipal domestic wastewater treatment apparatus according to claim 3, wherein: the utility model discloses a flexible cylinder (17) is fixed with to processing case (1) outer wall, flexible cylinder (17) expansion end has clearance chock plug (19) through hack lever (18) rigid coupling, clearance chock plug (19) with rotary cylinder (8) correspond the setting, just clearance chock plug (19) outer wall with rotary cylinder (8) inner wall adaptation, processing case (1) are kept away from one side of flexible cylinder (17) is provided with collecting box (20), collecting box (20) with one end intercommunication of rotary cylinder (8).

7. The municipal solid waste treatment device according to claim 4, wherein: the plugging piece is in including setting up shutoff board (21) of oil separating mouth (4), processing case (1) lateral wall seted up with holding tank (22) that shutoff board (21) match, holding tank (22) are located shutoff board (21) top, shutoff board (21) through stock (23) with connecting rod (12) rigid coupling.

8. The municipal domestic wastewater treatment device according to claim 1, wherein: be provided with baffle (24) in water chamber (3), baffle (24) bottom with processing case (1) inner wall bottom rigid coupling, baffle (24) with baffle (30) correspond the setting baffle (30) bottom is less than baffle (24) top, baffle (24) with be provided with secondary filter screen (25) between baffle (30), the one end of secondary filter screen (25) runs through processing case (1) and stretches out outside processing case (1), secondary filter screen (25) with baffle (30) can dismantle and be connected.

9. The municipal domestic wastewater treatment device according to claim 1, wherein: an air floating plate (26) is arranged in the separation cavity (2), and the air floating plate (26) is fixedly connected with the inner wall of the bottom end of the treatment box (1).

10. The municipal solid waste treatment device according to claim 2, wherein: the utility model discloses a separation chamber, including arc screen cloth (5) and baffle (30) bottom, inlet end is inlet tube (27), the play water end setting of inlet tube (27) is in arc screen cloth (5) top and with separation chamber (2) in-connection, it is outlet pipe (28) to go out the water end, outlet pipe (28) advance the water end with cross water chamber (3) intercommunication, it has bounding wall (29) to cross the internal rigid coupling of water chamber (3), bounding wall (29) cover is established outside outlet pipe (28) advance the water end, just bounding wall (29) bottom with baffle (30) bottom flushes.

Images