CN218435386U

CN218435386U - Leachate pretreatment system

Info

Publication number: CN218435386U
Application number: CN202222448491.9U
Authority: CN
Inventors: 乐俊超; 储夏; 王东; 陈纪军; 何润田; 王晓光; 崔晓达
Original assignee: Shanghai Dongshitang Renewable Energy Co ltd
Current assignee: Shanghai Dongshitang Renewable Energy Co ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2023-02-03
Anticipated expiration: 2032-09-16

Abstract

The utility model discloses a filtration liquid pretreatment systems, including feed liquor module, processing module and liquid module, feed liquor module and liquid module set up in the processing module both ends, processing module is including handling the case, the feed liquor module is including advancing the liquid case, and liquid module includes the liquid case, the feed liquor case passes through the pipeline and links to each other with handling the case, and it links to each other with the liquid case to handle the case through the pipeline, it is provided with at a distance from the box with a net to advance the liquid incasement, be provided with the stripper plate above separating the box with a net, be provided with extrusion mechanism on the stripper plate, be provided with rabbling mechanism on handling the case, it is provided with medicine mechanism to handle case one end, medicine mechanism includes the medicine storage tank, sets up in the batch meter on handling case upper portion, be provided with first level sensor in the medicine storage tank, be provided with second level sensor in the batch meter, first level sensor and second level sensor link to each other with control module. Solves the problems of improper primary treatment of the existing waste liquid and inconvenient adjustment of the dosing proportion of the percolate.

Description

Leachate pretreatment system

Technical Field

The utility model relates to a refuse treatment technical field especially relates to a filtration liquid pretreatment systems.

Background

During the stacking and burying process of the garbage, due to the biochemical degradation effects of compaction, fermentation and the like, a high-concentration liquid containing organic or inorganic components is generated under the seepage action of precipitation and underground water, and the liquid is called as garbage leachate. Patent CN201921159941.4 discloses a leachate treatment system, comprising a circulation mixing tank, wherein the circulation mixing tank is provided with an ozone generator; the first water inlet of the activated carbon stirring tank is connected with the water outlet of the circulating mixing tank; the first filter tank is internally provided with a first filter, a water inlet of the first filter tank is connected with a water outlet of the activated carbon stirring tank, and a first water outlet of the filter tank positioned above the first filter is connected with a second water inlet of the activated carbon stirring tank; and the water conveying pipeline is connected with a second water outlet of the first filtering tank, and the second water outlet is positioned below the first filter. The scheme is a more common percolate treatment mode at present. Patent CN201921725762.2 discloses a domestic waste filtration liquid sewage treatment discharging equipment, and above two kinds of modes all are present common filtration liquid treatment mode, through adding the medicine, carry out the drug reaction to sewage to the realization is to the processing of sewage.

For further convenience of dosing, patent CN 20212124461.7 discloses a landfill leachate pretreatment system, which comprises a treatment shell, the top surface fixed mounting of the treatment shell mixes shell and motor, the output end fixedly connected with dwang of motor, the dwang rotates a plurality of first puddlers of roof fixedly connected with that run through the treatment shell, the interior roof of mixing shell rotates and is connected with the drive rod, a plurality of second puddlers of fixedly connected with on the drive rod, the diapire of mixing shell is equipped with the unloading pipe, the unloading pipe runs through the roof of the treatment shell, be equipped with unloading mechanism in the treatment shell. Pour medicament and moisture into respectively through the proportion in the hybrid casing, then let in the filtration liquid and handle in the casing, drive the pole and drive the second puddler and carry out automatic stirring to medicament and water and mix, the velocity of flow can be controlled to the unloading hole on the unloading control tube, avoids the velocity of flow of medicament too fast or too slow, the more even of the mixture of filtration liquid and medicament. But it has only guaranteed the medicament velocity of flow and evenly stirred, does not carry out accurate filling to it, and the filling proportion relies on artifical adjustment, and it is not carrying out extrusion treatment to rubbish waste liquid simultaneously, leads to the waste liquid residual amount more in the rubbish.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a filtration liquid pretreatment systems to solve current rubbish waste liquid preliminary treatment improper, filtration liquid adds the inconvenient problem of medicine proportion regulation.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a filtration liquid pretreatment systems, includes feed liquor module, processing module and goes out the liquid module, feed liquor module and play liquid module set up in the processing module both ends, processing module is including handling the case, the feed liquor module is including advancing the liquid case, it includes the liquid case to go out the liquid module, the feed liquor case passes through the pipeline and links to each other with handling the case, it links to each other with the liquid case through the pipeline to handle the case, it is provided with at a distance from the box with a net to advance the liquid incasement, it is provided with the stripper plate to separate the box with a net top, be provided with extrusion mechanism on the stripper plate, extrusion mechanism adopt the cylinder can, be provided with rabbling mechanism on handling the case, it is provided with medicine mechanism to handle case one end, medicine mechanism is including storing up the medicinal tank, set up in the batch meter box on handling case upper portion, be provided with first level sensor in the medicinal tank, be provided with second level sensor in the batch meter box, first level sensor and second level sensor link to each other with control module.

As a further improvement of the above technical solution:

the stirring mechanism comprises a driving motor, a gear driving box, a reverse stirring rod and a forward stirring rod, wherein the reverse stirring rod penetrates through the forward stirring rod, a reverse gear is arranged on the reverse stirring rod, a forward gear is arranged on the forward stirring rod, the reverse gear and the forward gear are both arranged in the gear driving box, a driving gear and a driven gear meshed with the driving gear are arranged in the gear driving box, the driving gear is in meshed transmission with the forward gear, the driven gear is in meshed transmission with the reverse gear, and the driving gear is connected with the output end of the driving motor.

The liquid outlet box is internally provided with a detection module and is provided with a return pipe, one end of the return pipe is connected with the treatment box, and the return pipe is provided with a return pump.

The utility model discloses a sewage treatment device, including inlet tank, one-level filter screen board, sedimentation tank, treatment bottom of the case portion of handling, be provided with one-level filter screen board in the inlet tank, one-level filter screen board can dismantle to set up in the inlet tank, one-level filter screen board sets up in one side of separating the net case, one-level filter screen board opposite side is the sedimentation tank, the sedimentation tank lower part is provided with first blow off pipe, sedimentation tank upper portion is provided with first outlet pipe, first outlet pipe links to each other with the treatment bottom of the case portion.

The treatment tank is internally provided with a second-stage filter screen plate, the outlet end of the first water outlet pipe is arranged at the lower part of the second-stage filter screen plate, the bottom of the treatment tank is provided with a second sewage discharge pipe, and the upper part of the treatment tank is provided with a second water outlet pipe.

The liquid outlet box is characterized in that a third sewage draining pipe is arranged at the bottom of the liquid outlet box, a third water outlet pipe is arranged at the top of the liquid outlet box, an exhaust pipe is arranged at the top of the liquid outlet box, and the lowest point of the exhaust pipe is higher than the highest point of the third water outlet pipe. The arrangement is convenient for tail gas to be discharged.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a filtration liquid pretreatment systems, through squeezing the processing in the filter screen to stacking rubbish, the prefilter to filtration liquid has been realized, through the processing of one-level filter plate and sedimentation tank, the content of solid has been reduced, filter once more through second grade filter plate, very big reduction solid content, through the accurate dose of applying of liquid level height, so that to the preliminary treatment of filtration liquid, the two-way motion of puddler can improve the stirring quality, make the mixed effect of medicine liquid and filtration liquid improve. The exhaust pipe is arranged on the liquid discharge box and is beneficial to exhaust. And the pollution to the environment is reduced. Solves the problems of improper primary treatment of the existing waste liquid and inconvenient adjustment of the dosing proportion of the percolate.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is the schematic structural diagram of the stirring mechanism of the present invention.

Reference numerals are as follows: 11. a liquid inlet tank; 111. a first-stage filter screen plate; 12. a net separating box; 13. a pressing plate; 14. an extrusion mechanism; 15. a sedimentation tank; 16. a first drain pipe; 17. a first water outlet pipe; 21. a treatment box; 211. a second stage filter screen plate; 22. a stirring mechanism; 221. a drive motor; 222. a gear drive case; 223. a reverse stirring rod; 224. a forward stirring rod; 225. a reverse gear; 226. a forward gear; 227. a driving gear; 228. a driven gear; 23. a dosing mechanism; 231. a medicine storage tank; 232. a batch tank; 233. a first liquid level sensor; 234. a second liquid level sensor; 24. a second sewage discharge pipe; 25. a second water outlet pipe; 30. a detection module; 31. a liquid outlet box; 311. a third blow-off pipe; 32. a return pipe; 33. a reflux pump; 34. a third water outlet pipe; 35. and (4) exhausting the gas.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 and fig. 2, the leachate pretreatment system of this embodiment, including the liquid inlet module, processing module and liquid outlet module, the liquid inlet module and the liquid outlet module are disposed at two ends of the processing module, the processing module includes processing box 21, the liquid inlet module includes liquid inlet box 11, the liquid outlet module includes liquid outlet box 31, liquid inlet box 11 is connected with processing box 21 through a pipeline, processing box 21 is connected with liquid outlet box 31 through a pipeline, be provided with net separating box 12 in liquid inlet box 11, be provided with squeeze board 13 above net separating box 12, be provided with squeezing mechanism 14 on squeeze board 13, be provided with rabbling mechanism 22 on processing box 21, processing box 21 one end is provided with medicine adding mechanism 23, medicine adding mechanism 23 includes medicine storage tank 231, set up metering box 232 on processing box 21 upper portion, be provided with first level sensor 233 in medicine storage tank 231, be provided with second level sensor 234 in metering box 232, first level sensor 233 and second level sensor 234 link to each other with control module. The control module is a plc automatic controller, and the program can be written in. The motor is moved, the pump is started and stopped, and the liquid level is organically combined, so that the automatic filling of the liquid medicine is realized.

The stirring mechanism 22 comprises a driving motor 221, a gear driving box 222, a reverse stirring rod 223 and a forward stirring rod 224, wherein the reverse stirring rod 223 penetrates through the forward stirring rod 224, a reverse gear 225 is arranged on the reverse stirring rod 223, a forward gear 226 is arranged on the forward stirring rod 224, the reverse gear 225 and the forward gear 226 are both arranged in the gear driving box 222, a driving gear 227 and a driven gear 228 meshed with the driving gear 227 are arranged in the gear driving box 222, the driving gear 227 is in meshed transmission with the forward gear 226, the driven gear 228 is in meshed transmission with the reverse gear 225, and the driving gear 227 is connected with the output end of the driving motor 221. The pinion gear 227 is driven by a direct drive with the forward gear 226 to cause forward motion thereof, and the reverse gear 225 is indirectly driven by the pinion gear 227 to cause reverse motion thereof, and finally, bi-directional motion is achieved, and a bearing and a shaft connected to the bearing, not shown, are also present in the gear drive housing 222, and can be configured by a person skilled in the art by conventional means.

The liquid outlet box 31 is internally provided with a detection module 30, the liquid outlet box 31 is provided with a return pipe 32, one end of the return pipe 32 is connected with the treatment box 21, and the return pipe 32 is provided with a return pump 33.

A first-level filter screen plate 111 is arranged in the liquid inlet box 11, the first-level filter screen plate 111 is detachably arranged in the liquid inlet box 11, the first-level filter screen plate 111 is arranged on one side of the screen separating box 12, the other side of the first-level filter screen plate 111 is a sedimentation tank 15, a first sewage discharge pipe 16 is arranged on the lower portion of the sedimentation tank 15, a first water outlet pipe 17 is arranged on the upper portion of the sedimentation tank 15, and the first water outlet pipe 17 is connected with the bottom of the treatment box 21.

A second-stage filter screen plate 211 is arranged in the treatment box 21, the outlet end of the first water outlet pipe 17 is arranged at the lower part of the second-stage filter screen plate 211, a second sewage discharge pipe 24 is arranged at the bottom of the treatment box 21, and a second water outlet pipe 25 is arranged at the upper part of the treatment box 21.

The bottom of the liquid outlet box 31 is provided with a third sewage discharge pipe 311, the top of the liquid outlet box 31 is provided with a third water outlet pipe 34, the top of the liquid outlet box 31 is provided with an exhaust pipe 35, and the lowest point of the exhaust pipe 35 is higher than the highest point of the third water outlet pipe 34.

The utility model discloses a theory of operation:

when the device is used, stacked garbage is guided into the net separating box 12, the net separating box 12 is placed into the liquid inlet box 11, the extruding mechanism 14 is started, the extruding plate 13 descends to extrude percolate, the percolate passes through the net separating box 12 and then passes through the primary filter screen plate 111 to enter the sedimentation tank 15 for sedimentation, the percolate enters the treatment box 21 through the first water outlet pipe 17 and passes through the secondary filter screen plate 211 to enter the upper part, the second liquid level sensor 234 detects the liquid level height and transmits the liquid level information to the control module, meanwhile, the control pump guides the liquid medicine in the medicine storage tank 231 into the metering box 232, the first liquid level sensor 233 detects the liquid level height, the proportion of the percolate can be adjusted by adjusting the control module, specifically, the bottom surfaces of the two are proportional, and the blending of the liquid medicine and the percolate is realized by controlling the height, driving motor 221 realizes reverse puddler 223 and the two-way rotation of forward puddler 224 through gear drive, two-way stirring makes liquid medicine and filtration liquid mix, it carries to the play liquid tank 31 through second outlet pipe 25 to mix to finish mixing, detection module 30 monitors mixed liquid, detection module 30 uses the equipment on the market can, select according to the waste liquid composition, if not up to standard then through back flow 32 and backwash pump 33 with mixed liquid pump return processing case 21 in, continue to add the liquid medicine, mixed liquid gets into behind the liquid tank 31 gaseous being driven out from blast pipe 35, blast pipe 35 can connect tail gas treatment equipment, carry out tail gas treatment, liquid overflows from third outlet pipe 34, bottom liquid can continue to precipitate, first blow off pipe 16 can be followed to the precipitate in this system, second blow off pipe 24 and third blow off pipe 311 discharge. In order to subject it to further processing.

The utility model discloses a filtration liquid pretreatment systems, through squeezing the processing in the filter screen to stacking rubbish, the prefilter to filtration liquid has been realized, through the processing of one-level filter plate and sedimentation tank, the content of solid has been reduced, filter once more through second grade filter plate, very big reduction solid content, through the accurate dose of applying of liquid level height, so that to the preliminary treatment of filtration liquid, the two-way motion of puddler can improve the stirring quality, make the mixed effect of medicine liquid and filtration liquid improve. The exhaust pipe is arranged on the liquid exhaust box, so that exhaust gas can be exhausted. And the pollution to the environment is reduced. The problem of current rubbish waste liquid preliminary treatment improper, filtration liquid adds the medicine proportion and adjusts inconveniently is solved.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the schemes is not described herein. It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a filtration liquid pretreatment systems, includes feed liquor module, processing module and goes out the liquid module, the feed liquor module sets up in the processing module both ends with going out the liquid module, processing module is including handling case (21), the feed liquor module is including advancing liquid case (11), it includes liquid outlet box (31) to go out the liquid module, it links to each other with handling case (21) through the pipeline to advance liquid case (11), it links to each other its characterized in that with liquid outlet box (31) through the pipeline to handle case (21): be provided with in liquid inlet box (11) and separate net case (12), it is provided with stripper plate (13) to separate net case (12) top, be provided with extrusion mechanism (14) on stripper plate (13), be provided with rabbling mechanism (22) on handling case (21), it is provided with medicine mechanism (23) to handle case (21) one end, medicine mechanism (23) include medicine storage tank (231), set up in batch meter (232) on handling case (21) upper portion, be provided with first level sensor (233) in medicine storage tank (231), be provided with second level sensor (234) in batch meter (232), first level sensor (233) and second level sensor (234) link to each other with control module.

2. The leachate pretreatment system of claim 1, wherein: the stirring mechanism (22) comprises a driving motor (221), a gear driving box (222), a reverse stirring rod (223) and a forward stirring rod (224), wherein the reverse stirring rod (223) penetrates through the forward stirring rod (224), a reverse gear (225) is arranged on the reverse stirring rod (223), a forward gear (226) is arranged on the forward stirring rod (224), the reverse gear (225) and the forward gear (226) are both arranged in the gear driving box (222), a driving gear (227) and a driven gear (228) meshed with the driving gear (227) are arranged in the gear driving box (222), the driving gear (227) is in meshed transmission with the forward gear (226), the driven gear (228) is in meshed transmission with the reverse gear (225), and the driving gear (227) is connected with the output end of the driving motor (221).

3. The leachate pretreatment system of claim 2, wherein: be provided with detection module (30) in play liquid case (31), be provided with back flow (32) on play liquid case (31), back flow (32) one end links to each other with handling case (21), be provided with backwash pump (33) on back flow (32).

4. The leachate pretreatment system of claim 3, wherein: be provided with one-level filter screen board (111) in advance liquid case (11), one-level filter screen board (111) can be dismantled and set up in advancing liquid case (11), one-level filter screen board (111) set up in the one side that separates net case (12), one-level filter screen board (111) opposite side is sedimentation tank (15), sedimentation tank (15) lower part is provided with first blow off pipe (16), sedimentation tank (15) upper portion is provided with first outlet pipe (17), first outlet pipe (17) link to each other with processing case (21) bottom.

5. The leachate pretreatment system of claim 4, wherein: it is provided with second grade filter screen board (211) to handle case (21), first outlet pipe (17) exit end sets up in second grade filter screen board (211) lower part, it is provided with second blow off pipe (24) to handle case (21) bottom, it is provided with second outlet pipe (25) to handle case (21) upper portion.

6. The leachate pretreatment system of claim 5, wherein: the liquid outlet box is characterized in that a third sewage discharge pipe (311) is arranged at the bottom of the liquid outlet box (31), a third water outlet pipe (34) is arranged at the top of the liquid outlet box (31), an exhaust pipe (35) is arranged at the top of the liquid outlet box (31), and the lowest point of the exhaust pipe (35) is higher than the highest point of the third water outlet pipe (34).