CN116903136A - Low-carbon-nitrogen-ratio coastal domestic sewage treatment equipment and treatment method - Google Patents

Abstract

The invention relates to the field of domestic sewage treatment, in particular to equipment and a method for treating coastal domestic sewage with a low carbon-nitrogen ratio. The invention provides equipment and a treatment method for treating coastal domestic sewage with low carbon-nitrogen ratio, which can more effectively remove floating foam on the surface of the domestic sewage and more accurately control the addition amount of a carbon source, so that the carbon-nitrogen ratio of the domestic sewage is more in accordance with the standard, and the subsequent denitrification speed of the domestic sewage is increased. A coastal domestic sewage treatment device with low carbon nitrogen ratio and a treatment method thereof comprise a treatment tank, a motor, a feeding pipe and the like; the top of the treatment pool is fixedly connected with a motor, and the bottom of an output shaft of the motor is fixedly connected with a feeding pipe. The staff starts the motor, adjusts the closure and opening of porous dish and porous gear through the ration rack for the unloading volume of carbon source in the carbon source bucket is more accurate, and then makes domestic sewage's carbon-nitrogen ratio more accord with the standard, accelerates the speed of follow-up domestic sewage denitrification.

Description

Low-carbon-nitrogen-ratio coastal domestic sewage treatment equipment and treatment method

Technical Field

The invention relates to the field of domestic sewage treatment, in particular to equipment and a method for treating coastal domestic sewage with a low carbon-nitrogen ratio.

Background

Along with the continuous growth of national economy and the continuous improvement of living standard in China, the requirements on sewage treatment are increasingly strict. Due to fluctuation of environmental conditions and lack of carbon sources, the denitrification effect of further converting nitrate nitrogen into nitrogen is generally poor, so that the concentration of total nitrogen in effluent is not stable enough. The eutrophication of the receiving water body is easily caused by the exceeding of the system nitrogen, so that the water environment is polluted and destroyed to different degrees.

In the process of treating domestic sewage, the carbon source and the domestic sewage can be mixed, so that the carbon-nitrogen ratio of the domestic sewage reaches the standard, the domestic sewage is beneficial to purifying the domestic sewage, however, most of domestic sewage treatment equipment at present is provided with a part of pollutants on the surface of the domestic sewage, workers are difficult to effectively scatter and remove floating foam on the surface of the domestic sewage, the carbon source and the domestic sewage are easily caused to be mixed thoroughly, the carbon-nitrogen ratio of the domestic sewage is not in accordance with the standard, the carbon source is fed manually, the carbon source is not convenient to accurately control the adding amount of the carbon source, and when the carbon-nitrogen ratio in the domestic sewage is lower, the domestic sewage denitrification speed is slower.

Disclosure of Invention

Aiming at the defects or shortcomings of the prior art, the invention provides equipment and a method for treating coastal domestic sewage with low carbon-nitrogen ratio, which can more effectively remove floating foam on the surface of the domestic sewage and more accurately control the addition amount of a carbon source, so that the carbon-nitrogen ratio of the domestic sewage is more in accordance with the standard, and the subsequent domestic sewage denitrification speed is increased.

The utility model provides a coastal domestic sewage treatment equipment and treatment method of low carbon-nitrogen ratio, includes treatment pond, motor, feed-through pipe, carbon source bucket, compounding mechanism, pan feeding pipe and ration feeding mechanism, be equipped with four slide rails on the treatment pond inner wall, treatment pond top fixedly connected with motor, the output shaft bottom fixedly connected with feed-through pipe of motor, four delivery ports are opened to feed-through pipe lower part, feed-through pipe and treatment pond intercommunication, feed-through pipe upper portion fixedly connected with carbon source bucket, compounding mechanism sets up on the feed-through pipe, the pan feeding pipe sets up on compounding mechanism, ration feeding mechanism sets up on the carbon source bucket.

Optionally, compounding mechanism is including compounding bucket, compression spring, communicating pipe, protruding pole, sloping block ring and check valve, it is connected with the compounding bucket to lead to material pipe lower part slidingtype, compounding bucket top slidingtype is connected with the pan feeding pipe, compounding bucket and pan feeding pipe intercommunication, be connected with compression spring between compounding bucket and the pan feeding pipe, lead to material pipe lower part fixedly connected with communicating pipe, lead to material pipe and communicating pipe intercommunication, communicating pipe and compounding bucket slidingtype connection, compounding bucket bottom fixedly connected with protruding pole, handle pond inner wall lower part fixedly connected with sloping block ring, protruding pole is located sloping block ring top, be equipped with a plurality of triangle-shaped sloping block on the sloping block ring, fixedly connected with three check valve on the compounding bucket.

Optionally, ration feed mechanism is including porous dish, porous gear, ration rack, reset spring, wedge and extrusion piece, carbon source barrel inner wall lower part fixedly connected with porous dish, it has four unloading holes one to open on the porous dish, it is connected with porous gear to rotate between carbon source barrel bottom and the pan feeding top, it has four unloading holes two to open on the porous gear, unloading hole one on the porous dish is dislocation set with singing unloading hole two on the porous gear, carbon source barrel lower part slidingtype is connected with the ration rack, porous gear and ration rack meshing, be connected with reset spring between ration rack and the carbon source barrel, ration rack one end fixedly connected with wedge, wedge bottom is equipped with the direction inclined plane, compounding barrel top fixedly connected with extrusion piece, extrusion piece top is equipped with the extrusion inclined plane, the extrusion piece is located wedge directly under.

Optionally, still including swing mechanism, swing mechanism sets up on handling the pond, swing mechanism is including swing board, swing gear, swing rack, solid fixed ring and rotation ring, it is connected with four swing boards to handle on the pond inner wall rotation, four all fixedly connected with swing gear on the swing board, all slidingtype on four slide rails on the pond inner wall is connected with the swing rack, four fixedly connected with solid fixed ring between the swing rack bottom, rotary connection has the rotation ring on the solid fixed ring, rotation ring and compounding bucket fixed connection.

Optionally, still including the foam mechanism of beating, the foam mechanism of beating sets up on handling the pond, the foam mechanism of beating is including lacking tooth ring gear, foam stripper plate, beating the board, beating gear and torsion spring, handle pond inner wall upper portion fixedly connected with and lack the tooth ring gear, lead to material pipe upper portion fixedly connected with foam stripper plate, the rotation is connected with the board of beating in the foam stripper plate, board one end fixedly connected with of beating is beaten the gear, it is with lacking tooth ring gear meshing to beat the gear and be located outside the foam stripper plate, it is connected with torsion spring between gear and the foam stripper plate to beat.

Optionally, still including stirring board, stirring gear and stirring rack, compounding barrel inner wall upper portion rotation type is connected with stirring board, fixedly connected with stirring gear on the stirring board, communicating pipe top fixedly connected with stirring rack, stirring rack is located the compounding barrel, stirring gear and stirring rack meshing.

Optionally, still including six arriss poles, scrape the oral bar and horizontal spring, the processing pond inner wall lower part fixedly connected with two six arriss poles, two six arriss poles are the symmetry setting, all are connected with on two six arriss poles and scrape the oral bar, two scrape one side that the oral bar is close to each other all is equipped with the arcwall face, two scrape one side that the oral bar is close to each other and lead to the contact of two delivery ports in the pipe lower part respectively, six arriss poles and scrape and be connected with horizontal spring between the oral bar.

A treatment method of coastal domestic sewage treatment equipment with low carbon nitrogen ratio comprises the following steps: s1, pouring domestic sewage with low carbon-nitrogen ratio into a treatment tank by workers and starting a motor, enabling a porous disc and a porous gear to be horizontally moved so that a carbon source barrel is not blocked by the porous disc and the porous gear, enabling a carbon source in the carbon source barrel to enter a mixing barrel, enabling the domestic sewage with low carbon-nitrogen ratio in the treatment tank to enter the mixing barrel under the action of pressure, mixing the domestic sewage with low carbon-nitrogen ratio with the carbon source, and enabling the domestic sewage with the carbon source in the mixing barrel to return to the treatment tank through a material passing pipe along with rotation of the material passing pipe;

s2, the convex rod drives the mixing bucket to move upwards, the swing plate swings upwards to stir the domestic sewage with low carbon-nitrogen ratio and the domestic sewage containing a carbon source in the treatment tank, when the mixing bucket moves downwards to reset under the action of the compression spring, the mixing bucket drives the four swing racks to move downwards to reset, and the four swing racks are reset to drive the four swing plates to swing downwards to reset respectively, so that the swing plate agitates the domestic sewage with low carbon-nitrogen ratio and the domestic sewage containing the carbon source in the treatment tank again;

s3, an output shaft of the motor drives the feeding pipe to rotate, the feeding pipe drives the beating gear and the torsion spring to rotate, and the motor drives the beating plate to continuously beat floating foam on the surface of the domestic sewage.

The beneficial effects of the invention are as follows: staff pours domestic sewage of low carbon-nitrogen ratio into the treatment tank to start the motor, make the carbon source in the carbon source bucket can get into the blending vat through porous dish, porous gear and pan feeding pipe in, domestic sewage of low carbon-nitrogen ratio in the simultaneous treatment tank can get into the blending vat through the check valve under the effect of pressure, make the carbon-nitrogen ratio of domestic sewage in the blending vat accord with the standard, then in the domestic sewage that contains the carbon source in the blending vat can get back to the treatment tank through the pan feeding pipe again, closure and opening through quantitative rack regulation porous dish and porous gear, thereby can make the unloading volume of carbon source in the carbon source bucket more accurate, and then make domestic sewage's carbon-nitrogen ratio more accord with the standard, accelerate the speed of follow-up domestic sewage denitrification.

When the convex rod drives the mixing barrel to move upwards, the mixing barrel can drive the rotating ring to move upwards, so that the swing plate stirs the domestic sewage with low carbon-nitrogen ratio in the treatment tank and the domestic sewage containing a carbon source, the domestic sewage with low carbon-nitrogen ratio in the treatment tank and the domestic sewage containing the carbon source are stirred through the swing plate, the domestic sewage with low carbon-nitrogen ratio in the treatment tank and the carbon source are mixed more fully, the low carbon-nitrogen ratio of the domestic sewage can be improved better, and the denitrification speed of the subsequent domestic sewage is further accelerated.

When the output shaft of motor drives the feed-through pipe and rotates, the board of beating can constantly beat the foam on domestic sewage surface, so, constantly beat the foam on domestic sewage surface through the board of beating to can get rid of the foam on domestic sewage surface more effectively, make the pollutant in the foam get back to in the domestic sewage, and then make carbon source and domestic sewage mixed more thoroughly.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic partial cross-sectional view of a mixing mechanism of the present invention.

FIG. 3 is a schematic perspective view of a partial cutaway of the compounding mechanism and dosing mechanism of the present invention.

Fig. 4 is a partially disassembled sectional perspective structure schematic view of the quantitative feeding mechanism of the present invention.

Fig. 5 is a schematic view of a partial perspective structure of the quantitative feeding mechanism of the present invention.

Fig. 6 is a schematic cross-sectional perspective view of the swing mechanism of the present invention.

Fig. 7 is an enlarged perspective view of fig. 6 a according to the present invention.

Fig. 8 is a schematic cross-sectional perspective view of the froth extrusion plate and the tapping plate of the present invention.

The reference symbols in the drawings: 1: treatment tank, 2: and (3) a motor: feeding pipe, 4: carbon source barrel, 51: mixing barrel, 52: compression spring, 53: communicating tube, 54: convex rod, 55: bevel block ring, 56: check valve, 6: feeding pipe, 71: porous disc, 72: porous gear, 73: quantitative rack, 74: return spring, 75: wedge block, 76: extrusion block, 81: swing plate, 82: swing gear, 83: swing rack, 84: fixing ring, 85: rotating ring, 91: tooth missing ring gear, 92: froth squeeze plate, 93: slapping the plate, 94: patting a gear, 95: torsion spring, 101: stirring plate, 102: stirring gear, 103: stirring rack, 111: six-edged bar, 112: scraping strip, 113: a horizontal spring.

Detailed Description

Standard parts used in the invention can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, and the specific connection modes of the parts adopt conventional means such as mature bolts, rivets, welding, pasting and the like in the prior art, and the detailed description is omitted.

Example 1: the utility model provides a coastal domestic sewage treatment equipment and treatment method of low carbon-nitrogen ratio, is shown as fig. 1-6, including treatment tank 1, motor 2, feed-through pipe 3, carbon source bucket 4, compounding mechanism, pan feeding pipe 6 and ration feeding mechanism, be equipped with four slide rails on the treatment tank 1 inner wall, there is motor 2 at treatment tank 1 top through bolted connection, there is feed-through pipe 3 at motor 2's output shaft bottom through flange joint, open four delivery ports on feed-through pipe 3 lower part, feed-through pipe 3 communicates with treatment tank 1, there is carbon source bucket 4 on feed-through pipe 3 upper portion through bolted connection, compounding mechanism sets up on feed-through pipe 3, pan feeding pipe 6 sets up on compounding mechanism, ration feeding mechanism sets up on carbon source bucket 4.

The mixing mechanism comprises a mixing barrel 51, a compression spring 52, a communicating pipe 53, a protruding rod 54, an inclined block ring 55 and a one-way valve 56, wherein the lower part of the feeding pipe 3 is connected with the mixing barrel 51 in a sliding mode, the top of the mixing barrel 51 is connected with a feeding pipe 6 in a sliding mode, the mixing barrel 51 is communicated with the feeding pipe 6, the compressing spring 52 is connected between the mixing barrel 51 and the feeding pipe 6 through a hook, the lower part of the feeding pipe 3 is connected with the communicating pipe 53 through a bolt, the communicating pipe 53 is communicated with the communicating pipe 53 in a sliding mode, the bottom of the mixing barrel 51 is connected with the protruding rod 54 through a bolt, the lower part of the inner wall of the treatment tank 1 is connected with the inclined block ring 55 through a bolt, the protruding rod 54 is located above the inclined block ring 55, a plurality of triangular inclined blocks are arranged on the inclined block ring 55, and three one-way valves 56 are connected on the mixing barrel 51 through flanges.

The quantitative feeding mechanism comprises a porous disc 71, a porous gear 72, a quantitative rack 73, a reset spring 74, a wedge block 75 and an extrusion block 76, wherein the lower part of the inner wall of a carbon source barrel 4 is connected with the porous disc 71 through a bolt, four first discharging holes are formed in the porous disc 71, the porous gear 72 is rotatably connected between the bottom of the carbon source barrel 4 and the top of a feeding pipe 6, four second discharging holes are formed in the porous gear 72, the first discharging holes in the porous disc 71 and the second discharging holes in the porous gear 72 are arranged in a staggered mode, the quantitative rack 73 is connected to the lower part of the carbon source barrel 4 in a sliding mode, the porous gear 72 is meshed with the quantitative rack 73, the reset spring 74 is connected between the quantitative rack 73 and the carbon source barrel 4 through a hook, one end of the quantitative rack 73 is connected with the wedge block 75 through a bolt, a guide inclined plane is arranged at the bottom of the wedge block 75, the top of the material mixing barrel 51 is connected with the extrusion block 76 through a bolt, and the extrusion inclined plane is arranged at the top of the extrusion block 76.

Initially, a proper amount of carbon source is filled in a carbon source barrel 4, a first discharging hole on a porous disc 71 and a second discharging hole on a porous gear 72 are arranged in a staggered manner, the porous disc 71 and the porous gear 72 block the carbon source barrel 4, firstly, workers pour domestic sewage with low carbon-nitrogen ratio into a treatment tank 1 and start a motor 2, an output shaft of the motor 2 drives a feed-through pipe 3 to rotate, the feed-through pipe 3 drives the carbon source barrel 4, a mixing barrel 51 and a communicating pipe 53 to rotate, the carbon source barrel 4 rotates to drive the porous disc 71, a quantitative rack 73, a reset spring 74 and a wedge block 75 to rotate, the porous disc 71 rotates to drive the porous gear 72 to rotate, the porous gear 72 rotates to drive a feed-in pipe 6 to rotate, the feed-in pipe 6 rotates to drive a compression spring 52 to rotate, the mixing barrel 51 rotates to drive a convex rod 54, a one-way valve 56 and a squeezing block 76 to rotate, the convex rod 54 is contacted with a triangular inclined block on the inclined block ring 55, the triangular inclined block on the inclined block ring 55 can extrude the convex rod 54 to move upwards, the convex rod 54 moves to drive the mixing drum 51 to move upwards, air in the mixing drum 51 enters the treatment tank 1 through the communicating pipe 53 and the feeding pipe 3 under the action of pressure, the compression spring 52 can be compressed, the mixing drum 51 can drive the one-way valve 56 and the extrusion block 76 to move upwards, the extrusion inclined surface at the top of the extrusion block 76 can be contacted with the guiding inclined surface at the bottom of the wedge block 75, the extrusion block 76 can push the wedge block 75 to move horizontally, the wedge block 75 moves horizontally to drive the quantitative rack 73 to move horizontally, the reset spring 74 can be compressed, the quantitative rack 73 moves to drive the porous gear 72 to rotate, the first discharging hole on the porous disc 71 is coincident with the second discharging hole on the porous gear 72, the porous disc 71 and the porous gear 72 can not block the carbon source barrel 4 any more, the carbon source barrel 4 is communicated with the feeding pipe 6 through the porous disc 71 and the porous gear 72, carbon sources in the carbon source barrel 4 enter the feeding pipe 6 through the porous disc 71 and the porous gear 72, and carbon sources enter the mixing barrel 51 through the feeding pipe 6.

Then the feed pipe 3 can drive carbon source bucket 4, compounding bucket 51, compression spring 52, communicating pipe 53, protruding pole 54, check valve 56, pan feeding 6, porous dish 71, porous gear 72, quantitative rack 73, reset spring 74, wedge 75 and extrusion piece 76 all continue to rotate, protruding pole 54 can break away from the contact with the triangle-shaped sloping block on the sloping block ring 55, compression spring 52 can reset, compression spring 52 resets and can drive compounding bucket 51 and move down the reset, compounding bucket 51 resets and can drive extrusion piece 76 and move down the reset, extrusion piece 76 can break away from the contact with wedge 75, reset spring 74 can reset, reset spring 74 resets and can drive quantitative rack 73 and move the reset in reverse, quantitative rack 73 resets and can drive porous gear 72 reverse rotation, make the unloading hole on the porous dish 71 and porous gear 72 resume the dislocation setting, porous dish 71 and porous gear 72 can plug up carbon source bucket 4 again, the effect of the interior low ratio domestic sewage of treatment tank 1 can get into compounding bucket 51 through the check valve 56 under the effect simultaneously, low ratio domestic sewage can drive extrusion piece 76 and move down and reset, extrusion piece 76 can break away from the contact with wedge 75, reset spring 74 can drive quantitative rack 73 reverse movement reset, quantitative rack 73 and the unloading hole on the porous dish 71 and porous gear 72 recover the setting, thereby the high-quality domestic sewage can be more in line with the continuous carbon source of the continuous scale of the carbon source of the sewage, and the high-quality of the carbon source is more than the accurate carbon source of the continuous scale, and the carbon source of the sewage can be recovered to the continuous through the carbon source of the carbon source in the continuous scale 3, and the continuous scale of the carbon-quality of the sewage in the treatment tank 1, and the continuous scale has high quality standard of the sewage.

Example 2: on the basis of embodiment 1, as shown in fig. 2-6, the device further comprises a swinging mechanism, the swinging mechanism is arranged on the treatment tank 1, the swinging mechanism comprises swinging plates 81, swinging gears 82, swinging racks 83, a fixed ring 84 and a rotating ring 85, four swinging plates 81 are rotatably connected to the inner wall of the treatment tank 1, swinging gears 82 are connected to the four swinging plates 81 through flat keys, swinging racks 83 are slidably connected to four sliding rails on the inner wall of the treatment tank 1, a fixed ring 84 is connected between the bottoms of the swinging racks 83 through bolts, a rotating ring 85 is rotatably connected to the fixed ring 84, and the rotating ring 85 is fixedly connected with the mixing barrel 51.

When the convex rod 54 drives the mixing barrel 51 to move upwards, the mixing barrel 51 drives the rotating ring 85 to move upwards, the rotating ring 85 moves to drive the fixed ring 84 to move upwards, the fixed ring 84 moves to drive the four swing racks 83 to move upwards, the four swing racks 83 move to drive the four swing gears 82 to rotate respectively, the four swing gears 82 rotate to drive the four swing plates 81 to swing upwards respectively, so that the swing plates 81 stir the domestic sewage with low carbon-nitrogen ratio and the domestic sewage with carbon source in the treatment tank 1, when the mixing barrel 51 moves downwards under the action of the compression spring 52 to reset, the mixing barrel 51 drives the rotating ring 85 to move downwards to reset, the rotating ring 85 resets to drive the fixed ring 84 to move downwards to reset, the fixed ring 84 resets and can drive four swing racks 83 and all move down and reset, four swing racks 83 resets and can drive four swing gears 82 reverse rotation respectively, four swing gears 82 reverse rotation can drive four swing plates 81 and swing down and reset respectively, make swing plates 81 stir the domestic sewage of the low carbon nitrogen ratio in the treatment tank 1 and the domestic sewage that contains the carbon source again, reciprocate in proper order, stir the domestic sewage of the low carbon nitrogen ratio in the treatment tank 1 and the domestic sewage that contains the carbon source through swing plates 81, thereby can make the domestic sewage of the low carbon nitrogen ratio in the treatment tank 1 and the carbon source mix more fully, and then can improve the low carbon nitrogen ratio of domestic sewage better, further accelerate the speed of follow-up domestic sewage denitrification.

Example 3: on the basis of embodiment 2, as shown in fig. 6-8, the device further comprises a floating foam beating mechanism, the floating foam beating mechanism is arranged on the treatment tank 1 and comprises a tooth-missing gear ring 91, a floating foam extrusion plate 92, a beating plate 93, a beating gear 94 and a torsion spring 95, the tooth-missing gear ring 91 is connected to the upper portion of the inner wall of the treatment tank 1 through bolts, the floating foam extrusion plate 92 is connected to the upper portion of the material tube 3 through bolts, the beating plate 93 is rotatably connected to the inner portion of the floating foam extrusion plate 92 through a flat key, one end of the beating plate 93 is connected with the beating gear 94 through a flat key, the beating gear 94 is meshed with the tooth-missing gear ring 91, the beating gear 94 is located outside the floating foam extrusion plate 92, and the torsion spring 95 is connected between the beating gear 94 and the floating foam extrusion plate 92 through a hook.

When the output shaft of the motor 2 drives the feeding pipe 3 to rotate, the feeding pipe 3 can drive the floating foam extrusion plate 92 to rotate, the floating foam extrusion plate 92 can drive the beating plate 93 to rotate, the beating plate 93 can drive the beating gear 94 and the torsion spring 95 to rotate, the beating gear 94 can intermittently rotate under the action of the tooth-lack gear ring 91, the tooth-lack gear ring 91 intermittently rotates to drive the beating plate 93 to continuously swing up and down, the torsion spring 95 can be continuously twisted or reset, the floating foam on the surface of the domestic sewage is continuously beaten by the beating plate 93, so that the floating foam on the surface of the domestic sewage can be effectively removed by the beating plate 93, pollutants in the floating foam can return to the domestic sewage, and the carbon source and the domestic sewage are thoroughly mixed.

Example 4: on the basis of embodiment 3, as shown in fig. 3, the stirring device further comprises a stirring plate 101, a stirring gear 102 and a stirring rack 103, wherein the stirring plate 101 is rotatably connected to the upper part of the inner wall of the mixing barrel 51, the stirring gear 102 is connected to the stirring plate 101 through a flat key, the stirring rack 103 is connected to the top of the communicating pipe 53 through a bolt, the stirring rack 103 is positioned in the mixing barrel 51, and the stirring gear 102 is meshed with the stirring rack 103.

When the convex rod 54 drives the mixing drum 51 to move upwards, the mixing drum 51 drives the stirring plate 101 to move upwards, the stirring plate 101 moves to drive the stirring gear 102 to move upwards, the stirring gear 102 rotates under the action of the stirring rack 103, the stirring gear 102 rotates to drive the stirring plate 101 to rotate, the stirring plate 101 can stir domestic sewage and carbon sources in the mixing drum 51, when the mixing drum 51 moves downwards under the action of the compression spring 52, the mixing drum 51 drives the stirring plate 101 to move downwards for reset, the stirring plate 101 resets and drives the stirring gear 102 to move downwards for reset, the stirring gear 102 rotates reversely under the action of the stirring rack 103, the stirring gear 102 rotates reversely to drive the stirring plate 101 to rotate reversely, and the stirring plate 101 can stir the domestic sewage and the carbon sources in the mixing drum 51 again.

Example 5: on the basis of embodiment 4, as shown in fig. 2-6, the treatment tank further comprises six-edge rods 111, scraping strips 112 and a horizontal spring 113, wherein the lower part of the inner wall of the treatment tank 1 is connected with two six-edge rods 111 through bolts, the two six-edge rods 111 are symmetrically arranged, the two six-edge rods 111 are both connected with the scraping strips 112 in a sliding mode, one sides of the two scraping strips 112, which are close to each other, are provided with arc-shaped surfaces, one sides of the two scraping strips 112, which are close to each other, are respectively contacted with two water outlets in the lower part of the feed-through pipe 3, and the horizontal spring 113 is connected between the six-edge rods 111 and the scraping strips 112 through hooks.

When the output shaft of the motor 2 drives the feeding pipe 3 to rotate, the scraping strip 112 can be continuously contacted with the water outlet at the lower part of the feeding pipe 3, the horizontal spring 113 can be continuously compressed or reset, and the scraping strip 112 can scrape condensate on the water outlet at the lower part of the feeding pipe 3, so that the occurrence of the condition that condensate blocks the water outlet at the lower part of the feeding pipe 3 is reduced, and the sewage treatment process is smoother.

The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides a coastal domestic sewage treatment's of low carbon-nitrogen ratio equipment, its characterized in that, including treatment pond (1), motor (2), feed tube (3), carbon source bucket (4), compounding mechanism, pan feeding pipe (6) and ration feeding mechanism, be equipped with four slide rails on treatment pond (1) inner wall, treatment pond (1) top fixedly connected with motor (2), the output shaft bottom fixedly connected with feed tube (3) of motor (2), four delivery ports are opened to feed tube (3) lower part, feed tube (3) and treatment pond (1) intercommunication, feed tube (3) upper portion fixedly connected with carbon source bucket (4), compounding mechanism sets up on feed tube (3), pan feeding pipe (6) set up on compounding mechanism, ration feeding mechanism sets up on carbon source bucket (4).

2. The coastal domestic sewage treatment device with low carbon-nitrogen ratio according to claim 1, wherein the mixing mechanism comprises a mixing barrel (51), a compression spring (52), a communicating pipe (53), a convex rod (54), an inclined block ring (55) and a one-way valve (56), the lower part of the mixing barrel (3) is connected with the mixing barrel (51) in a sliding mode, the top of the mixing barrel (51) is connected with a feeding pipe (6) in a sliding mode, the mixing barrel (51) is communicated with the feeding pipe (6), the compression spring (52) is connected between the mixing barrel (51) and the feeding pipe (6), the communicating pipe (3) is fixedly connected with the communicating pipe (53), the communicating pipe (53) is connected with the mixing barrel (51) in a sliding mode, the bottom of the mixing barrel (51) is fixedly connected with the convex rod (54), the lower part of the inner wall of the treatment tank (1) is fixedly connected with the inclined block ring (55), the convex rod (54) is located on the inclined block ring (55), and the inclined block ring (55) is fixedly connected with the triangular block (55) on the inclined block ring (55).

3. The coastal domestic sewage treatment device with low carbon-nitrogen ratio according to claim 2, wherein the quantitative feeding mechanism comprises a porous disc (71), a porous gear (72), a quantitative rack (73), a reset spring (74), a wedge block (75) and a pressing block (76), the porous disc (71) is fixedly connected to the lower part of the inner wall of the carbon source barrel (4), four first discharging holes are formed in the porous disc (71), the porous gear (72) is rotatably connected between the bottom of the carbon source barrel (4) and the top of the feeding pipe (6), four second discharging holes are formed in the porous gear (72), the first discharging holes in the porous disc (71) are staggered with the second discharging holes in the porous gear (72), the lower part of the carbon source barrel (4) is slidably connected with the quantitative rack (73), the reset spring (74) is connected between the quantitative rack (73) and the carbon source barrel (4), the wedge block (73) is fixedly connected with the wedge block (75), the inclined surface (76) is fixedly connected to the top of the pressing block (75), the extrusion block (76) is positioned right below the wedge block (75).

4. The coastal domestic sewage treatment device with low carbon-nitrogen ratio according to claim 3, further comprising a swinging mechanism, wherein the swinging mechanism is arranged on the treatment tank (1), the swinging mechanism comprises a swinging plate (81), swinging gears (82), swinging racks (83), a fixed ring (84) and a rotating ring (85), four swinging plates (81) are rotatably connected to the inner wall of the treatment tank (1), swinging gears (82) are fixedly connected to the four swinging plates (81), swinging racks (83) are slidably connected to the four sliding rails on the inner wall of the treatment tank (1), a fixed ring (84) is fixedly connected between the bottoms of the four swinging racks (83), the rotating ring (85) is rotatably connected to the fixed ring (84), and the rotating ring (85) is fixedly connected with the mixing barrel (51).

5. The equipment for treating coastal domestic sewage with low carbon-nitrogen ratio according to claim 4, further comprising a floating foam beating mechanism, wherein the floating foam beating mechanism is arranged on the treatment tank (1), the floating foam beating mechanism comprises a tooth-lacking gear ring (91), a floating foam extrusion plate (92), a beating plate (93), a beating gear (94) and a torsion spring (95), the tooth-lacking gear ring (91) is fixedly connected to the upper portion of the inner wall of the treatment tank (1), the floating foam extrusion plate (92) is fixedly connected to the upper portion of the material passing pipe (3), the beating plate (93) is rotatably connected to the floating foam extrusion plate (92), one end of the beating plate (93) is fixedly connected with a beating gear (94), the beating gear (94) is meshed with the tooth-lacking gear ring (91), the beating gear (94) is positioned outside the floating foam extrusion plate (92), and the torsion spring (95) is connected between the beating gear (94) and the floating foam extrusion plate (92).

6. The coastal domestic sewage treatment device with the low carbon-nitrogen ratio according to claim 5, further comprising an agitating plate (101), an agitating gear (102) and an agitating rack (103), wherein the agitating plate (101) is rotatably connected to the upper portion of the inner wall of the mixing barrel (51), the agitating gear (102) is fixedly connected to the agitating plate (101), the agitating rack (103) is fixedly connected to the top of the communicating pipe (53), the agitating rack (103) is located in the mixing barrel (51), and the agitating gear (102) is meshed with the agitating rack (103).

7. The coastal domestic sewage treatment device with the low carbon-nitrogen ratio according to claim 6, further comprising six-edge rods (111), scraping strips (112) and a horizontal spring (113), wherein two six-edge rods (111) are fixedly connected to the lower portion of the inner wall of the treatment tank (1), the two six-edge rods (111) are symmetrically arranged, the scraping strips (112) are connected to the two six-edge rods (111) in a sliding mode, arc-shaped surfaces are arranged on the sides, close to each other, of the two scraping strips (112), the sides, close to each other, of the two scraping strips (112) are respectively in contact with two water outlets in the lower portion of the feeding pipe (3), and the horizontal spring (113) is connected between the six-edge rods (111) and the scraping strips (112).

8. The method for treating coastal domestic sewage with a low carbon nitrogen ratio according to any one of claims 1 to 7, comprising the steps of:

s1, pouring domestic sewage with low carbon-nitrogen ratio into a treatment tank (1) by workers and starting a motor (2), enabling a porous disc (71) and a porous gear (72) to move horizontally so that a carbon source barrel (4) is not blocked, enabling a carbon source in the carbon source barrel (4) to enter a mixing barrel (51), enabling the domestic sewage with low carbon-nitrogen ratio in the treatment tank (1) to enter the mixing barrel (51) under the action of pressure, mixing the domestic sewage with low carbon-nitrogen ratio with the carbon source, and enabling the domestic sewage with the carbon source in the mixing barrel (51) to return to the treatment tank (1) through a feeding pipe (3) along with the rotation of the feeding pipe (3);

s2, a convex rod (54) drives a mixing barrel (51) to move upwards, a swinging plate (81) swings upwards to stir domestic sewage with low carbon-nitrogen ratio and domestic sewage containing carbon sources in a treatment tank (1), when the mixing barrel (51) moves downwards to reset under the action of a compression spring (52), the mixing barrel (51) drives four swinging racks (83) to move downwards to reset, and the four swinging racks (83) reset respectively drives the four swinging plates (81) to swing downwards to reset, so that the swinging plates (81) stir the domestic sewage with low carbon-nitrogen ratio and the domestic sewage containing carbon sources in the treatment tank (1) again;

s3, an output shaft of the motor (2) drives the feeding pipe (3) to rotate, the feeding pipe (3) drives the beating gear (94) and the torsion spring (95) to rotate, and the motor (2) drives the beating plate (93) to continuously beat the floating foam on the surface of the domestic sewage.