CN222181937U - A DTRO pretreatment device for treating garbage leachate - Google Patents

Abstract

The utility model discloses a pretreatment device for treating garbage penetrating fluid by DTRO, which comprises a pretreatment tank, a top cover plate integrally welded on the pretreatment tank and a pretreatment mechanism positioned on the top cover plate, wherein the bottom of the pretreatment tank is fixedly connected with a discharge pipe, one side of the top wall of the top cover plate is fixedly connected with a feed pipe, a filter screen is fixedly arranged under the feed pipe, the bottom wall of the top cover plate is positioned on both sides of the filter screen, strip-shaped plates are welded on both sides of the filter screen, inner cavities of the two strip-shaped plates are formed on the bottom wall of the top cover plate, the pretreatment mechanism comprises a servo motor arranged on the outer wall of one strip-shaped plate, a screw rod and a slide rod respectively positioned in the inner cavities of the two strip-shaped plates and a scraping plate positioned above the filter screen, an output shaft of the servo motor is coaxially connected with the screw rod, and both ends of the slide rod are welded with the strip-shaped plates. The pretreatment device for the waste penetrating fluid by the DTRO does not need to manually scoop out generated impurities from the pretreatment tank, but automatically discharges the impurities, thereby reducing the workload of personnel.

Description

Pretreatment device for treating garbage penetrating fluid by using DTRO

Technical Field

The utility model belongs to the technical field of garbage penetrating fluid treatment, and particularly relates to a pretreatment device for treating garbage penetrating fluid by using DTRO.

Background

The DTRO (butterfly tube type reverse osmosis) membrane treatment technology is an anti-pollution type reverse osmosis technology suitable for high-concentration feed liquid treatment, has the characteristics of low requirement on water quality of inlet water, good water quality of produced water, high recovery rate and stable operation, and is commonly used for treating garbage penetrating fluid (high-concentration organic wastewater generated in the garbage landfill or incineration treatment process).

In the process of implementing the present utility model, the inventor has found that at least the following problems exist in the technology, that is, before the waste permeate is treated by using the DTRO membrane treatment technology, the waste permeate needs to be pretreated so as to discharge impurities (solid impurities or other forms of impurities which are convenient to separate) in the waste permeate as much as possible by using the simplest method, and the existing pretreatment device generally needs to manually use tools to stretch into the device for taking after the impurities are separated, so that the operation is troublesome and the manpower is wasted.

For this purpose, we propose a pretreatment device for treating garbage permeate by DTRO to solve the above problems.

Disclosure of utility model

The utility model mainly aims to provide the pretreatment device for the DTRO treatment of the garbage penetrating fluid, and generated impurities are automatically discharged without manually scooping the garbage penetrating fluid from a pretreatment tank, so that the workload of personnel is reduced, and the problems in the background technology can be effectively solved.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The pretreatment device for treating the garbage penetrating fluid by using the DTRO comprises a pretreatment tank, a top cover plate integrally welded on the pretreatment tank and a pretreatment mechanism positioned on the top cover plate, wherein the bottom of the pretreatment tank is fixedly connected with a discharge pipe, one side of the top wall of the top cover plate is fixedly connected with a feeding pipe, a filter screen is fixed under the feeding pipe, strip-shaped plates are welded on two sides of the bottom wall of the top cover plate, and inner cavities of the two strip-shaped plates are formed on the bottom wall of the top cover plate;

The pretreatment mechanism comprises a servo motor arranged on the outer wall of one of the strip-shaped plates, a screw rod and a sliding rod which are respectively positioned in the inner cavities of the two strip-shaped plates, a scraping plate positioned above the filter screen, an output shaft of the servo motor is coaxially connected with the screw rod, both ends of the sliding rod are welded with the strip-shaped plate, one end of the scraping plate is sleeved on the screw rod in a threaded manner, the other end of the scraping plate is sleeved on the sliding rod in a sliding manner, and the scraping plate is attached to the top wall of the filter screen;

The pretreatment tank is fixedly connected with an inclined discharge pipe for discharging solid impurities on one side where the filter screen is located, a main driving motor is fixedly installed at the center of the top wall of the top cover plate, an output shaft of the main driving motor is coaxially connected with an inner support shaft, and a plurality of groups of blades for stirring garbage penetrating fluid and flocculating agent are installed on the inner support shaft.

As the preferred implementation scheme, the two opposite side walls of the filter screen are welded with the first supports in the shape of L, and the two first supports are welded with the bottom wall of the top cover plate, so that the filter screen is stable in structure and kept horizontal.

The screw rod and the sliding rod are horizontally arranged, two ends of the screw rod are rotatably connected with the strip-shaped plate, the screw rod can stably run under the driving of the servo motor, and the servo motor and the main driving motor need external electric facilities for power supply.

As a preferred embodiment, the inner support shaft and the plurality of groups of blades are all positioned in the inner cavity of the pretreatment tank, the top of the inner support shaft is rotationally connected to the top cover plate, and the plurality of groups of blades are distributed at equal intervals along the vertical direction.

As a preferred embodiment, a stabilizing plate is welded at the bottom of the inner cavity of the pretreatment tank, and the bottom of the inner support shaft is rotatably connected to the stabilizing plate, so that the inner support shaft can drive a plurality of groups of blades to stably operate.

As a preferred embodiment, an interception net is arranged below the discharge pipe, wherein two opposite side walls of the interception net are welded with L-shaped second supports, and the two second supports are welded on the bottom wall of the pretreatment tank, so that sewage discharged from the discharge pipe can be filtered again through the interception net.

In summary, the technical effects and advantages of the present utility model are:

According to the pretreatment device for the DTRO treatment of the garbage penetrating fluid, solid impurities are filtered through the garbage penetrating fluid, then the servo motor is driven to operate to drive the scraping plate to automatically scrape the solid impurities on the filter screen and discharge the solid impurities from the pretreatment tank, a tool is not required to be used for manually dragging the solid impurities, then the main driving motor is driven to operate after the flocculating agent is added, the precipitation treatment of the garbage penetrating fluid can be rapidly completed, the impurity content in the garbage penetrating fluid is further reduced, the subsequent treatment is more convenient, and meanwhile, the impurities generated in the two steps are not required to be manually dragged from the pretreatment tank, but are automatically discharged, so that the workload of personnel is reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a partial vertical cross-sectional view of the present utility model;

FIG. 3 is a schematic structural view of a pretreatment mechanism of the present utility model;

fig. 4 is a schematic structural view of the roof panel of the present utility model.

The device comprises a pretreatment tank 1, a top cover plate 2, a feeding pipe 3, a filter screen 4, a first support, a strip-shaped plate 6, a servo motor 7, a screw rod 8, a 9, a slide bar 10, a scraper blade 11, an inclined discharge pipe 12, a main driving motor 13, an inner support shaft 14, a blade 15, a discharge pipe 16, an interception net 17, a second support 18 and a stabilizing plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, a pretreatment device for treating garbage penetrating fluid by DTRO comprises a pretreatment tank 1, a top cover plate 2 integrally welded on the pretreatment tank 1 and a pretreatment mechanism positioned on the top cover plate 2, wherein a discharge pipe 15 is fixedly connected to the bottom of the pretreatment tank 1, a valve is installed on the discharge pipe 15, an interception net 16 is arranged below the discharge pipe 15, two opposite side walls of the interception net 16 are welded with L-shaped second supports 17, two second supports 17 are welded on the bottom wall of the pretreatment tank 1, so that the sewage discharged by the discharge pipe 15 is conveniently filtered through the interception net 16, a feeding pipe 3 is fixedly connected to one side of the top wall of the top cover plate 2, a filter screen 4 is fixed under one side of the top cover plate 2, two opposite side walls of the filter screen 4 are welded with the L-shaped first supports 5, the two first supports 5 are welded with the bottom wall of the top cover plate 2, the structure of the filter screen 4 is stable and kept level, two strip-shaped second supports 17 are welded on two sides of the bottom wall of the top cover plate 2 positioned on the filter screen 4, and two strip-shaped inner cavities 6 are formed on the bottom wall of the feeding plate.

The pretreatment mechanism comprises a servo motor 7 arranged on the outer wall of one of the strip-shaped plates 6, a screw rod 8 and a sliding rod 9 which are respectively positioned in the inner cavities of the two strip-shaped plates 6, and a scraping plate 10 positioned above the filter screen 4, wherein an output shaft of the servo motor 7 is coaxially connected with the screw rod 8, both ends of the sliding rod 9 are welded with the strip-shaped plates 6, the screw rod 8 and the sliding rod 9 are horizontally arranged, both ends of the screw rod 8 are rotationally connected with the strip-shaped plates 6, the screw rod 8 can stably run under the driving of the servo motor 7, one end of the scraping plate 10 is in threaded sleeve connection with the screw rod 8, the other end of the scraping plate 10 is in sliding sleeve connection with the top wall of the filter screen 4;

The pretreatment tank 1 is fixedly connected with an inclined discharge pipe 11 for discharging solid impurities on one side where the filter screen 4 is located, a main driving motor 12 is fixedly installed in the center of the top wall of the top cover plate 2, the servo motor 7 and the main driving motor 12 are powered by external electric facilities, an output shaft of the main driving motor 12 is coaxially connected with an inner support shaft 13, a plurality of groups of blades 14 for stirring garbage penetrating fluid and flocculating agent are installed on the inner support shaft 13, the inner support shaft 13 and the plurality of groups of blades 14 are located in the inner cavity of the pretreatment tank 1, the top of the inner support shaft 13 is rotationally connected to the top cover plate 2, the plurality of groups of blades 14 are distributed at equal intervals in the vertical direction, a stabilizing plate 18 is welded at the bottom of the inner cavity of the pretreatment tank 1, and the bottom of the inner support shaft 13 is rotationally connected to the stabilizing plate 18, so that the inner support shaft 13 can drive the plurality of groups of blades 14 to stably run.

The pretreatment device for the waste penetrating fluid by the DTRO is characterized in that firstly, a scraper 10 is moved to one side of a filter screen 4, which is opposite to an inclined discharge pipe 11, the waste penetrating fluid to be pretreated is introduced into a pretreatment tank 1 from the feed pipe 3, the waste penetrating fluid can directly fall on the filter screen 4 and is filtered by pretreatment of the filter screen 4, solid impurities are filtered, the rest waste penetrating fluid enters an inner cavity of the pretreatment tank 1, at the moment, a main driving motor 12 is driven to drive an inner support shaft 13 and a plurality of groups of blades 14 to operate, then a flocculating agent is added into the waste penetrating fluid in the pretreatment tank 1 through the feed pipe 3 (note that the flocculating agent does not fall on the filter screen 4, the flocculating agent can be obliquely scattered in the inner cavity of the pretreatment tank 1 after entering the feed pipe 3), after the waste penetrating fluid reacts with the flocculating agent, part of the substances are precipitated, at the moment, the valve is opened, the rest sewage and the precipitated sediment are discharged from a discharge pipe 15 together, and the precipitated and fall on a screen 16, the sewage passes through an interception screen 16, and a servo motor 7 is driven to drive a screw 8 to operate, so that the scraper 10 is horizontally moves along with the 9, and then the scraper 10 moves from one side of the 4, which is opposite to the inclined discharge pipe 11, which is opposite to the side of the feed pipe 11, and is adjacent to the inclined discharge pipe 11, and is located outside the pretreatment tank 1, and the filter screen 1, the waste penetrating fluid is directly discharged from the pretreatment tank 1, and the inner side of the pretreatment tank is required to be discharged outside of the manual work.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. A DTRO pretreatment device for treating garbage leachate, comprising a pretreatment tank (1), a top cover plate (2) integrally welded to the pretreatment tank (1), and a pretreatment mechanism located on the top cover plate (2), wherein a discharge pipe (15) is fixedly connected to the bottom of the pretreatment tank (1), characterized in that a feeding pipe (3) is fixedly connected to one side of the top wall of the top cover plate (2), wherein a filter screen (4) is fixed directly below the feeding pipe (3), and strip plates (6) are welded to both sides of the bottom wall of the top cover plate (2) located on the filter screen (4); The pretreatment mechanism comprises a servo motor (7) installed on the outer wall of one of the strip plates (6), a screw (8) and a slide rod (9) respectively located in the inner cavities of the two strip plates (6), and a scraper (10) located above the filter screen (4), wherein the output shaft of the servo motor (7) is coaxially connected to the screw (8), both ends of the slide rod (9) are welded to the strip plates (6), one end of the scraper (10) is threadedly sleeved on the screw (8), and the other end is slidably sleeved on the slide rod (9), and the scraper (10) is in contact with the top wall of the filter screen (4); The pretreatment tank (1) is fixedly connected to an inclined discharge pipe (11) for discharging solid impurities on the side where the filter screen (4) is located, and a main drive motor (12) is fixedly installed at the center of the top wall of the top cover plate (2), and the output shaft of the main drive motor (12) is coaxially connected to an inner support shaft (13), and a plurality of blades (14) are installed on the inner support shaft (13). 2. A DTRO pretreatment device for treating garbage leachate according to claim 1, characterized in that two opposite side walls of the filter screen (4) are welded with L-shaped first supports (5), and the two first supports (5) are welded to the bottom wall of the top cover plate (2). 3. A DTRO pretreatment device for treating garbage leachate according to claim 1, characterized in that the screw (8) and the sliding rod (9) are both arranged horizontally, and both ends of the screw (8) are rotatably connected to the strip plate (6). 4. A DTRO pretreatment device for treating garbage leachate according to claim 1, characterized in that the inner support shaft (13) and the multiple groups of blades (14) are both located in the inner cavity of the pretreatment tank (1), and the top of the inner support shaft (13) is rotatably connected to the top cover plate (2). 5. A DTRO pretreatment device for treating garbage leachate according to claim 4, characterized in that a stabilizing plate (18) is welded to the bottom of the inner cavity of the pretreatment tank (1), and the bottom of the inner support shaft (13) is rotatably connected to the stabilizing plate (18). 6. A DTRO pretreatment device for treating garbage leachate according to claim 1, characterized in that an interception net (16) is provided below the discharge pipe (15), wherein L-shaped second supports (17) are welded to the opposite side walls of the interception net (16), and the two second supports (17) are welded to the bottom wall of the pretreatment tank (1).