CN210409617U - Electric scraper type scum cleaning device and matched primary sedimentation tank scum well - Google Patents
Electric scraper type scum cleaning device and matched primary sedimentation tank scum well Download PDFInfo
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- CN210409617U CN210409617U CN201920832675.0U CN201920832675U CN210409617U CN 210409617 U CN210409617 U CN 210409617U CN 201920832675 U CN201920832675 U CN 201920832675U CN 210409617 U CN210409617 U CN 210409617U
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- dross
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- 238000004140 cleaning Methods 0.000 title claims abstract description 40
- 238000004062 sedimentation Methods 0.000 title claims abstract description 22
- 239000002893 slag Substances 0.000 claims abstract description 53
- 230000005540 biological transmission Effects 0.000 claims abstract description 46
- 239000010865 sewage Substances 0.000 claims abstract description 41
- 238000007790 scraping Methods 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 238000001914 filtration Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 7
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- 239000013049 sediment Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000001035 drying Methods 0.000 description 2
- 206010024796 Logorrhoea Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses an electric scraper type scum cleaning device and a matched primary sedimentation tank scum well, the cleaning device comprises an equipment frame, the upper part of the equipment frame is provided with a motor bracket and a motor, and the output shaft of the motor is connected with a first driving wheel; a driving wheel shaft and a driven wheel shaft are arranged at the lower part of the equipment frame, a second driving wheel is arranged at one end of the driving wheel shaft, and the first driving wheel is connected with the second driving wheel through an annular driving chain; an annular transmission chain is arranged between the driven wheel shaft and the driving wheel shaft, a slag scraping plate is arranged between the two transmission chains at equal intervals, and the transmission chains drive the driving wheel shaft and the driven wheel shaft to circularly move. The scum well is divided into three well chambers by the cleaning device, so that sewage and scum mixed liquid discharged by the primary sedimentation tank can be separated for the second time, scum in the sewage and scum mixed liquid can be effectively scraped, the automation degree is high, labor cost is saved, and the scum cleaning procedure is simplified.
Description
Technical Field
The utility model relates to a sewage treatment technical field, concretely relates to electronic scraper blade type scum cleaning device and supporting just heavy pond scum well.
Background
The scum well of the primary sedimentation tank of the sewage treatment plant mainly removes floating fine impurities which can not be filtered out in sewage, scum in the primary sedimentation tank is collected by a scraper and then conveyed into the scum well, then the scum is separated from the sewage by further filtering the scum well, the separated sewage is discharged along a sewage pipeline, and the scum is left in the scum well. In the past, scum in a scum well needs to be fished out of water to the ground in a manual cleaning mode, dried scum is manually put into a dustbin for transportation, the scum is generally cleaned 1 time per week, the scum needs to be manually cleaned to the ground every time, and the scum is put into the dustbin every other day, so that the time of two days is occupied. And the dross that clears up subaerial can be great to peripheral sanitation influence after the mummification, difficult clearance, and during manual cleaning, comparatively dirty smelly, also has certain influence to personnel's health. For example, a sewage treatment division has 8 primary sedimentation tanks in total, cleaning 1 time per week is equivalent to cleaning 8 primary sedimentation tanks per week, and the annual cost of cleaning by a special person is about 4 ten thousand yuan regardless of the condition of large scum amount. The manual cleaning needs long time and high cost, and the high-temperature outdoor operation, the high-altitude operation and the water-carrying operation have high danger.
Other clearance modes are like filtration formula auger delivery cleaning device, because just the sediment viscosity that just sinks is big, and belong to the garrulous end form, the filter screen often blocks up, even increase brush and sparge water constantly wash the filter screen, also have a large amount of tiny powdered dross and pass through the filter screen, and the filter effect is unsatisfactory, and the brush contacts extrusion deformation back for a long time, not only can not play the effect of clearance filter screen, can extrude the dross on the contrary and aggravate the filter screen and block up.
In view of this, it is very necessary to research an automatic cleaning device for a scum well of a primary sedimentation tank to improve the cleaning efficiency and reduce the cleaning cost.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide an electronic scraper blade type scum cleaning device and supporting just heavy pond scum well that improve cleaning efficiency, reduce the clearance cost, degree of automation is high.
In order to solve the technical problem, the utility model adopts the following technical scheme:
an electric scraper type scum cleaning device is designed, and comprises an equipment frame arranged on the side wall of a scum well, wherein a motor support is arranged at the upper part of the equipment frame, a motor is arranged on the motor support, and an output shaft of the motor is connected with a first driving wheel;
a driving wheel shaft and a driven wheel shaft are respectively arranged at the positions, close to the two ends, of the lower part of the equipment frame, a second transmission wheel is arranged at one end, on the same side of the driving wheel shaft and the first transmission wheel, the first transmission wheel and the second transmission wheel are positioned on the same plane, and the first transmission wheel and the second transmission wheel are connected through an annular transmission chain;
annular transmission chains are respectively arranged between the two ends of the driven wheel shaft and the corresponding positions of the two ends of the driving wheel shaft, the two transmission chains are parallel, slag scraping plates are arranged between the two transmission chains at equal intervals, and the slag scraping plates are parallel to the driving wheel shaft and the driven wheel shaft; two ends of the slag scraping plate are respectively and fixedly arranged on the transmission chains at two sides, and the transmission chains drive the driving wheel shaft and the driven wheel shaft to circularly move.
In the technical scheme, the motor drives the first transmission wheel to rotate, the first transmission wheel drives the second transmission wheel to rotate through the transmission chain, the second transmission wheel drives the driving wheel shaft to synchronously rotate when rotating, the driving wheel shaft drives the driven wheel shaft to rotate through the transmission chains on two sides, and when the driving wheel shaft and the driven wheel shaft rotate, the circulating rotation of the transmission chains on two sides is realized, the scum board on the transmission chain is driven to circularly rotate, and the scum board is used for scraping scum floating on the liquid level in the scum well to one side to realize the automatic cleaning of the scum in the scum well.
Preferably, the slag scraping plate is an L-shaped plate body, one horizontal side of the L-shaped plate body is fixedly installed on the conveying chain, and the tail end of one vertical side faces the direction far away from the conveying chain.
Preferably, a speed reducer is further provided between the motor and the first transmission wheel.
The utility model also relates to a primary sedimentation tank scum well using the electric scraper type scum cleaning device, which comprises a well body, wherein a scum collecting well chamber, a sewage filtering well chamber and a sewage discharging well chamber are sequentially separated in the well body, a scum mixed liquid inlet communicated with the primary sedimentation tank is arranged on the side wall of the end part of the well body where the scum collecting well chamber is positioned, the scum collecting well chamber and the sewage filtering well chamber are separated by a scum separating plate, and a water passing port is arranged at the lower part of the scum separating plate; the sewage filtering well chamber and the sewage discharging well chamber are separated by an overflow plate, and the height of the top of the overflow plate is lower than that of the side wall of the well body; a water outlet is arranged on the side wall of the end part of the well body where the sewage discharge well chamber is positioned;
the scum collecting well is characterized in that a slag outlet is formed in the side wall of the well body on one side of the scum collecting well, the electric scraper type scum cleaning device is arranged on the upper portion of the scum collecting well, the equipment frame is fixedly installed on the side wall of the well body where the scum collecting well is located, and the slag outlet is located below the driving wheel shaft.
Scum collection well room in the scum well, the setting of sewage filtration well room and sewage discharge well room, make the mixed liquor of sewage and scum in the primary sedimentation pond at first get into the scum collection well room, the scum floats on the liquid level under the buoyancy, the circulation through electronic scraper type scum cleaning device's scum board removes, scrape the scum one deck that will float on the liquid level and leave, and only clear up a few some scum in liquid level surface layer at every turn, this part scum can obtain preliminary drying with air direct contact, the moisture content is not high, needn't handle through the drying again, can satisfy the condition of direct vanning clearance, it is less to all ring edge borders.
Preferably, a scum collecting box is arranged outside the well body and outside the slag outlet. Scum is scraped out by the scum board and falls into the scum collecting box in, wait for follow-up vanning and centralized processing can, avoided the scum to salvage out later to pile up and influence the surrounding environment on ground, with among the prior art scum clearance need through salvage, pile up, mummification, vanning, centralized processing's procedure compare, simplified the processing procedure greatly, improved cleaning efficiency, practiced thrift the cost of labor.
Preferably, slag notch department is fixed to be provided with and to receive the sediment board, it extends to receive sediment board one side in the dross is collected the well chamber, the other side extends to in the top of dross collecting box, receive the sediment board and play the transition effect, the dross that the scum board was scraped is earlier through receiving the sediment board, and in the reentrant dross collecting box, this in-process has increased the time of dross with the air contact, realizes the preliminary mummification of dross, reduces the moisture content in the dross, the subsequent processing of being convenient for.
Preferably, the four corners of the bottom of the scum collecting box are respectively provided with a roller, and more than one of the rollers is a roller with a brake. So that the scum collecting box is convenient to move and replace.
Preferably, move to the terminal surface of the scum board of slag notch position with the upper surface of receiving the scum board flushes mutually, and the scum board is too high can cause the scum to clear up unclean, polluted environment and space waste, and the scum board is too low can influence the scum and clear up, appears colliding with the phenomenon. Such structure setting can guarantee that the scum board scrapes the dross to receive on the scum board, and makes the scum layer of scraping out at every turn thinner, and the dross of scraping is less, and the moisture content of dross is handed down, gets into the in-process of dross collecting box through receiving the scum board, obtains can get into follow-up vanning, centralized processing procedure after preliminary mummification with the air contact, need not carry out mummification or dehydration again and handle in order to reduce the moisture content.
Preferably, the upper surface of the scum collecting plate is in a shape that the scum is gradually inclined from the outer side to the scum collecting well chamber, so that the scum is conveniently scraped onto the scum collecting plate by the scum plate.
Preferably, the width of the slag outlet is greater than or equal to that of the slag scraping plate; the height difference between the height of the slag separating plate and the upper end surface of the slag outlet is more than or equal to 5 cm; the height difference between the upper end surface of the slag outlet and the top of the scum collecting box is more than or equal to 10 cm.
Preferably, the power of the motor is 0.5KW-1KW, the moving speed of the slag scraping plate is lower than 10m/min, the situation that floating slag splashes to influence the surrounding environment due to the fact that the slag scraping plate rotates too fast is avoided, and the cleaning effect is guaranteed.
The beneficial effects of the utility model reside in that:
1. the utility model discloses electronic scraper blade scum cleaning device is rational in infrastructure, degree of automation is high, can realize circulation, the continuous rotation of scum board, can improve and scrape sediment efficiency, guarantee scum clearance effect.
2. The scum well adopting the electric scraper type scum cleaning device has the advantages that sewage and scum mixed liquid discharged from a primary sedimentation tank can be secondarily separated through the division of three well chambers, scum in the sewage and scum mixed liquid is effectively scraped, the automation degree is high, the labor cost is saved, the scum cleaning procedure is simplified, the cleaned scum is not required to be dehydrated, the scum can be directly boxed for subsequent treatment, and the influence on the surrounding environment is small; compared with the manual cleaning mode in the prior art, the economical efficiency and the efficiency are greatly improved.
Drawings
FIG. 1 is a schematic structural view of the electric scraper type scum cleaning device of the utility model;
FIG. 2 is a schematic view of the structure of the electric scraper type scum clearing device installed on a scum well;
FIG. 3 is a schematic side view of the electric scraper type scum clearing device installed on a scum well;
FIG. 4 is a schematic structural view of a scum well;
reference numbers in the figures: 1, a device frame, 2, a motor bracket, 3, and 4, a first driving wheel; 5, a driving wheel shaft, 6, a driven wheel shaft, 7, a second driving wheel and 8, wherein the driving wheel shaft is connected with the driven wheel shaft; 9 conveying chains and 10 slag scraping plates;
11 wells, 12 scum collecting wells, 13 sewage filtering wells, 14 sewage discharging wells, 15 scum mixed liquid inlets, 16 scum separating plates, 17 overflow plates and 18 floors; 19 slag outlets, 20 scum collecting boxes, 21 scum collecting plates and 22 rollers.
Detailed Description
The following examples are provided to illustrate the present invention in detail and should not be construed as limiting the scope of the present invention in any way. The elements of the apparatus referred to in the following examples are conventional elements of the apparatus unless otherwise specified.
Example 1: an electric scraper type scum cleaning device, which is shown in figure 1, comprises an equipment frame 1 arranged on the side wall of a scum well, a motor support 2 is arranged on the upper part of the equipment frame 1, a motor 3 is arranged on the motor support 2, an output shaft of the motor 3 is connected with a first driving wheel 4, and a speed reducer is arranged between the motor 3 and the first driving wheel 4.
The lower part of the equipment frame 1 is respectively provided with a driving wheel shaft 5 and a driven wheel shaft 6 at positions close to two ends, one end of the driving wheel shaft 5 at the same side with the first driving wheel 4 is provided with a second driving wheel 7, the first driving wheel 4 and the second driving wheel 7 are positioned on the same plane, and the first driving wheel 4 is connected with the second driving wheel 7 through an annular driving chain 8.
The slag scraping plate 10 is an L-shaped plate body, one horizontal side of the L-shaped plate body is fixedly installed on the conveying chain, and the tail end of one vertical side faces the direction far away from the conveying chain.
Embodiment 2, a primary sedimentation tank scum well using the electric scraper type scum cleaning device in embodiment 1, see fig. 2-4, includes a well body 11, a scum collecting well chamber 12, a sewage filtering well chamber 13 and a sewage discharging well chamber 14 are sequentially separated in the well body 11, a scum mixed liquid inlet 15 communicated with the primary sedimentation tank is opened on the side wall of the end of the well body where the scum collecting well chamber 12 is located, the scum collecting well chamber 12 and the sewage filtering well chamber 13 are separated by a scum board 16, and a water passing opening is provided at the lower part of the scum board 16; the sewage filtering well chamber 13 and the sewage discharging well chamber 14 are separated by an overflow plate 17, and the height of the top of the overflow plate 17 is lower than that of the side wall of the well body 11; a drain port 18 is provided in a side wall of the well body end portion where the sewage drain well chamber 14 is located.
A slag outlet 19 is arranged on the side wall of the well body at one side of the scum collecting well chamber 12, the electric scraper type scum cleaning device is arranged at the upper part of the scum collecting well chamber, the equipment frame 1 is fixedly arranged on the side wall of the well body where the scum collecting well chamber 12 is positioned, and the slag outlet 19 is positioned below the driving wheel shaft 5. A scum collection box 20 is provided outside the well 11 at a position outside the slag outlet 19. The dross collection box 20 can be placed on the floor outside the dross well, or a support platform can be provided on the floor to position the dross collection box 20 such that the dross collection box 20 is maintained at a suitable distance from the slag outlet 19. The four corners of the bottom of the scum collecting box 20 are respectively provided with rollers 22, wherein more than one roller is a roller with a brake.
A slag collecting plate 21 is fixedly arranged at the slag outlet 19, one side of the slag collecting plate 21 extends into the scum collecting well chamber 12, and the other side extends above the scum collecting box 20; the upper surface of the slag trap 21 is formed in a shape that is inclined downward from the outside toward the inside of the scum collecting chamber 12. And the end surface of the slag scraping plate 10 moved to the position of the slag hole is flush with the upper surface of the slag collecting plate 21.
The width of the slag outlet 19 is greater than or equal to the width of the scraper bar 10; the height difference between the height of the slag separating plate 16 and the upper end surface of the slag outlet 19 is more than or equal to 5 cm; the height difference between the upper end surface of the slag outlet 19 and the top of the scum collecting box 20 is more than or equal to 10 cm; the power of the motor 3 is 0.5KW-1KW, and the moving speed of the slag scraping plate is lower than 10 m/min.
A method of primary clarifier scum cleaning using the scum well of example 2, comprising the steps of:
(1) the mixed liquid of sewage and scum in the primary sedimentation tank enters a scum collecting well chamber through a scum mixed liquid inlet on the side wall of a scum well, the scum in the mixed liquid floats upwards under the action of buoyancy, and the sewage at the lower part enters a sewage filtering well chamber through a water through hole on a scum separating plate, so that the pre-separation of the scum water is realized;
(2) starting the electric scraper type scum cleaning device, wherein a motor drives a first driving wheel to rotate, the first driving wheel drives a second driving wheel to rotate through a driving chain wheel, a driving wheel shaft and the second driving wheel synchronously rotate, a driven wheel shaft is driven to synchronously rotate through transmission chains on two sides, the transmission chains on the two sides circularly rotate while the driving wheel shaft and the driven wheel shaft rotate, scrapers on the transmission chains are driven to circularly move, scum floating on the surface of liquid level in a scum collecting well is scraped out of a scum outlet and falls into a scum collecting box outside the scum outlet to wait for subsequent treatment;
(3) the sewage entering the sewage filtering well chamber is subjected to preliminary sedimentation, and the upper water body overflows to the sewage discharge well chamber through the upper part of the overflow plate, is discharged through the sewage discharge well chamber and enters a subsequent treatment pipe network.
The present invention has been described in detail with reference to the embodiments, but those skilled in the art will understand that the specific parameters in the embodiments can be changed without departing from the spirit of the present invention to form a plurality of specific embodiments, which are the common variation range of the present invention, and the detailed description is omitted here.
Claims (9)
1. An electric scraper type scum cleaning device is characterized by comprising an equipment frame arranged on the side wall of a scum well, wherein a motor support is arranged at the upper part of the equipment frame, a motor is arranged on the motor support, and an output shaft of the motor is connected with a first driving wheel;
a driving wheel shaft and a driven wheel shaft are respectively arranged at the positions, close to the two ends, of the lower part of the equipment frame, a second transmission wheel is arranged at one end, on the same side of the driving wheel shaft and the first transmission wheel, the first transmission wheel and the second transmission wheel are positioned on the same plane, and the first transmission wheel and the second transmission wheel are connected through an annular transmission chain;
annular transmission chains are respectively arranged between the two ends of the driven wheel shaft and the corresponding positions of the two ends of the driving wheel shaft, the two transmission chains are parallel, slag scraping plates are arranged between the two transmission chains at equal intervals, and the slag scraping plates are parallel to the driving wheel shaft and the driven wheel shaft; two ends of the slag scraping plate are respectively and fixedly arranged on the transmission chains at two sides, and the transmission chains drive the driving wheel shaft and the driven wheel shaft to circularly move.
2. The electric scraper type scum cleaning device as claimed in claim 1, wherein the scum board is an "L" -shaped board body, one horizontal side of the "L" -shaped board body is fixedly installed on the transmission chain, and the tail end of the vertical side is arranged towards the direction far away from the transmission chain.
3. The motorized scraper scum clearing apparatus as claimed in claim 1, further comprising a speed reducer disposed between the motor and the first drive pulley.
4. A primary sedimentation tank scum well using the electric scraper type scum cleaning device as defined in claim 1, which is characterized by comprising a well body, wherein a scum collecting well chamber, a sewage filtering well chamber and a sewage discharging well chamber are sequentially separated from the well body, a scum mixed liquid inlet communicated with the primary sedimentation tank is arranged on the side wall of the end part of the well body where the scum collecting well chamber is positioned, the scum collecting well chamber and the sewage filtering well chamber are separated by a scum separating plate, and a water passing port is arranged at the lower part of the scum separating plate; the sewage filtering well chamber and the sewage discharging well chamber are separated by an overflow plate, and the height of the top of the overflow plate is lower than that of the side wall of the well body; a water outlet is arranged on the side wall of the end part of the well body where the sewage discharge well chamber is positioned;
the scum collecting well is characterized in that a slag outlet is formed in the side wall of the well body on one side of the scum collecting well, the electric scraper type scum cleaning device is arranged on the upper portion of the scum collecting well, the equipment frame is fixedly installed on the side wall of the well body where the scum collecting well is located, and the slag outlet is located below the driving wheel shaft.
5. The primary sedimentation tank dross well of claim 4, wherein a dross collecting box is provided outside the well body at a position outside the slag outlet.
6. The primary sedimentation tank dross well of claim 5, wherein a dross collecting plate is fixedly arranged at the dross outlet, one side of the dross collecting plate extends into the dross collecting well chamber, and the other side of the dross collecting plate extends above the dross collecting box; the upper surface of the scum board is in a shape that the scum is gradually inclined from the outer side to the scum collecting well chamber.
7. The primary sedimentation tank dross well of claim 5, wherein rollers are provided at four corners of the bottom of the dross collecting box, wherein one or more of the rollers are rollers with brakes.
8. The primary settling tank dross well of claim 6, wherein an end surface of the scum board moved to the position of the slag outlet is flush with an upper surface of the slag receiving plate.
9. The primary settling tank dross well of claim 5, wherein the width of the slag notch is greater than or equal to the width of the scraper plate; the height difference between the height of the slag separating plate and the upper end surface of the slag outlet is more than or equal to 5 cm; the height difference between the upper end surface of the slag outlet and the top of the scum collecting box is more than or equal to 10 cm; the power of the motor is 0.5KW-1KW, and the moving speed of the slag scraping plate is lower than 10 m/min.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920832675.0U CN210409617U (en) | 2019-06-04 | 2019-06-04 | Electric scraper type scum cleaning device and matched primary sedimentation tank scum well |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920832675.0U CN210409617U (en) | 2019-06-04 | 2019-06-04 | Electric scraper type scum cleaning device and matched primary sedimentation tank scum well |
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| CN210409617U true CN210409617U (en) | 2020-04-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110124363A (en) * | 2019-06-04 | 2019-08-16 | 中原环保股份有限公司 | Electric trowelling formula dross cleaning plant, matched primary sedimentation tank dross well and primary sedimentation tank dross method for cleaning |
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2019
- 2019-06-04 CN CN201920832675.0U patent/CN210409617U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110124363A (en) * | 2019-06-04 | 2019-08-16 | 中原环保股份有限公司 | Electric trowelling formula dross cleaning plant, matched primary sedimentation tank dross well and primary sedimentation tank dross method for cleaning |
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