CN214031958U

CN214031958U - Landfill leachate MF membrane preprocessing device

Info

Publication number: CN214031958U
Application number: CN202023041542.3U
Authority: CN
Inventors: 黎三明
Original assignee: Guangdong Chunhe Jingming Environmental Protection Technology Co ltd
Current assignee: Guangdong Chunhe Jingming Environmental Protection Technology Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-08-24
Anticipated expiration: 2030-12-17

Abstract

The utility model discloses a landfill leachate MF membrane preprocessing device, including precipitation tank, sludge bucket, processing module, micro-filtration membrane and cooler, the rectification wall is installed to the inside one side of precipitation tank, the sludge bucket is evenly installed to the precipitation tank bottom, processing module is installed to precipitation tank one side, the processing module bottom is equipped with the drainage chamber, micro-filtration membrane is installed at the drainage chamber top, the cooler is installed at the processing module top, the stock solution bucket is installed to processing module one side. The utility model discloses an in microfiltration membrane's use, microfiltration membrane's aperture is comparatively homogeneous, and the surface porosity is high, and settlement zone sets up many intensive swash plates, makes suspended impurities deposit in filtration liquid in the swash plate, and water flows along the swash plate is ascending, and the mud sediment of separation is discharged through the mud pipe in the gravity action down along the swash plate to the sludge bucket, concentrates again and discharges, makes the device have the practicality, has improved the high efficiency of device.

Description

Landfill leachate MF membrane preprocessing device

Technical Field

The utility model relates to a landfill leachate MF membrane preliminary treatment technical field specifically is a landfill leachate MF membrane preprocessing device.

Background

The landfill leachate treatment is derived from water, organic matter decomposition water, rain and snow water entering a landfill and other water contained in the garbage in the landfill. The conventional treatment modes comprise a biochemical method, a membrane method and a Dusheng ion exchange method; the landfill leachate is high-concentration wastewater which is formed by deducting the saturated water holding capacity of garbage and a soil covering layer from water contained in the garbage in a garbage landfill, rain, snow and water entering the landfill and other water and passing through the garbage layer and the soil covering layer.

Since the 21 st century, the economy of China is rapidly developed, the urban scale is continuously enlarged, the quantity of daily garbage produced by everyone exceeds 1.1kg, and only the daily domestic garbage produced by big cities such as Beijing, Shanghai and the like reaches about 2 million tons, and the urbanization process continuously generates more than 1.4 hundred million tons and is increased at the speed of 8-10% every year. China has become one of the most serious countries in the world where garbage surrounds cities; in 2012, the clean transportation amount of domestic garbage in 654 cities and cities in China is 1.57 hundred million t, and about 7000 million tons of garbage are collected in county cities and towns, and 2.2 million tons of garbage are counted. According to statistics, about 40-50 tons of percolate per day needs to be treated in China; the landfill leachate treatment is a worldwide problem, and the main reason is that the landfill leachate contains a large amount of substances which are difficult to biodegrade and high-concentration ammonia nitrogen, and the high-concentration ammonia nitrogen has an inhibition side effect on microorganisms in the biological treatment process, so that the microorganisms are difficult to grow normally, and the landfill leachate treatment is a hotspot and a key point of research in the field of environmental engineering.

The prior landfill leachate pretreatment device has the following defects:

1. the leachate can not be effectively treated, and the leachate has excessive toxic substances, so that secondary pollution can be caused due to improper treatment.

2. Impurities in the leachate cannot be discharged, so that the leachate can block the filter membrane during treatment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a landfill leachate MF membrane preprocessing device to solve the problem that can not purify that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a landfill leachate MF membrane preprocessing device, includes precipitation tank, sludge bucket, processing module, micro-filtration membrane and cooler, the rectification wall is installed to the inside one side of precipitation tank, precipitation tank internally mounted has the swash plate, the sludge bucket is evenly installed to the precipitation tank bottom, sludge bucket installs the sludge discharge pipe in the bottom, processing module is installed to precipitation tank one side, the processing module bottom is equipped with the drainage chamber, micro-filtration membrane is installed at the drainage chamber top, the cooler is installed at the processing module top, the stock solution bucket is installed to processing module one side.

Preferably, the inlet is installed at precipitation tank one side top, the liquid outlet is installed at precipitation tank opposite side top, be equipped with the valve on the liquid outlet, house steward is installed in liquid outlet one end intercommunication, install the branch pipe on the house steward.

Preferably, the base is installed to processing component bottom both sides, the last manometer of installing of processing component.

Preferably, the outlet pipe is installed to drainage chamber one side bottom, the inlet tube is all installed to the top both sides in the drainage chamber, the drainage chamber openly is equipped with the pressure valve.

Preferably, the feed liquor pipe is installed to microfiltration membrane one end, the drain pipe is installed to the microfiltration membrane other end, the pipe of permeating water is installed at microfiltration membrane bottom both ends, the pipe of permeating water runs through the discharge chamber and inlet tube intercommunication, it installs the supporting leg to permeate water between the pipe.

Preferably, the cooler consists of a sealing washer, a fixed tube plate, a baffle plate, a heat transfer tube, a floating tube plate, a backwater cover, a tube barrel and a foot rest.

Preferably, the top of one end of the liquid storage barrel is provided with a connecting pipe, and the connecting pipe is connected with the liquid outlet pipe.

Compared with the prior art, the utility model discloses an innovation point effect of design is: this kind of landfill leachate MF membrane preprocessing device is rational in infrastructure, has following advantage:

(1) the utility model has the advantages that the micro-filtration membrane has uniform aperture, high surface porosity, small thickness, little loss caused by liquid absorbed by the filtration medium, no medium drop during filtration and no secondary pollution, thereby obtaining high-purity filtrate, having practicability and reliability;

(2) the utility model discloses an use at the precipitation tank, the settlement zone sets up a plurality of intensive swash plates, makes the suspended impurities in filtration liquid deposit in the swash plate, and water rises along the swash plate and flows, and the mud sediment of separating is along the swash plate gliding to the sludge bucket under the action of gravity, and the reconcentration is discharged through the mud pipe, makes the device have the practicality, has improved the high efficiency of device;

(3) the utility model discloses an in the use of cooler, after the micro-filtration membrane operating time is longer, can make inside send out the boiling hot, can lead to the micro-filtration membrane function abnormal, instill cold water into the micro-filtration membrane through the cooler and cool down for it, bring the cooler back to with the heat, make it cool off the heat, make the device have the practicality, improved the security of device.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic structural view of the stretching assembly of the present invention;

fig. 4 is a schematic view of the structure of the buckle and the slot of the present invention.

In the figure: 1. a settling tank; 101. a liquid inlet; 102. a liquid outlet; 103. a header pipe; 104. pipe distribution; 2. a rectification wall; 3. a sloping plate; 4. a sludge hopper; 401. a sludge discharge pipe; 5. a processing component; 501. a base; 502. a pressure gauge; 6. a drain chamber; 601. a water outlet pipe; 602. a water inlet pipe; 603. a pressure valve; 7. a microfiltration membrane; 701. a liquid inlet pipe; 702. a liquid outlet pipe; 703. supporting legs; 704. a water permeable pipe; 8. a cooler; 801. a sealing gasket; 802. fixing the tube plate; 803. a baffle plate; 804. a heat transfer tube; 805. a traveling tube plate; 806. a water return cover; 807. a tube barrel; 808. a foot rest; 9. a liquid storage barrel; 901. and (6) taking over.

Detailed Description

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.

Referring to fig. 1-4, the present invention provides an embodiment: a landfill leachate MF membrane pretreatment device comprises a precipitation tank 1, a sludge hopper 4, a treatment assembly 5, a microfiltration membrane 7 and a cooler 8, wherein a liquid inlet 101 is installed at the top of one side of the precipitation tank 1, a liquid outlet 102 is installed at the top of the other side of the precipitation tank 1, a valve is arranged on the liquid outlet 102, one end of the liquid outlet 102 is communicated with and installed on a main pipe 103, a branch pipe 104 is installed on the main pipe 103, a rectifying wall 2 is installed at one side inside the precipitation tank 1, an inclined plate 3 is installed inside the precipitation tank 1, the sludge hopper 4 is uniformly installed at the bottom of the precipitation tank 1, a sludge discharge pipe 401 is installed at the bottom of the sludge hopper 4, the treatment assembly 5 is installed at one side of the precipitation tank 1, bases 501 are installed at two sides of the bottom of the treatment assembly 5, a pressure gauge 502 is installed on the treatment assembly 5, a water discharge chamber 6 is arranged at the bottom of one side of the water discharge chamber 6, water inlet pipes 602 are installed at two sides of the top inside the water discharge chamber 6, the front of the drainage chamber 6 is provided with a pressure valve 603, the top of the drainage chamber 6 is provided with a microfiltration membrane 7, one end of the microfiltration membrane 7 is provided with a liquid inlet pipe 701, the other end of the microfiltration membrane 7 is provided with a liquid outlet pipe 702, two ends of the bottom of the microfiltration membrane 7 are provided with water permeable pipes 704, the water permeable pipes 704 penetrate through the drainage chamber 6 and are communicated with a water inlet pipe 602, supporting legs 703 are arranged between the water permeable pipes 704, the top of the treatment component 5 is provided with a cooler 8, the cooler 8 consists of a sealing gasket 801, a fixed pipe plate 802, a baffle plate 803, a heat transfer pipe 804, a moving pipe plate 805, a water return cover 806, a pipe barrel 807 and a foot stool 808, the treatment component 5 is provided with a liquid storage barrel 9 on one side, the top of one end of the liquid storage barrel 9 is provided with a connecting pipe 901, and the connecting pipe 901 is connected with the liquid outlet pipe 702.

Specifically, through the use at microfiltration membrane 7, the aperture of microfiltration membrane 7 is comparatively homogeneous, and microfiltration membrane 7's thickness is little, and the loss that liquid was caused by filter medium absorption is very few, and polymer class microfiltration membrane 7 is an even continuum, does not have the medium to drop during the filtration, can not cause secondary pollution to obtain high-purity filtrating, make the device have the practicality, improve the reliability of device.

Specifically, through the use at precipitation tank 1, the settlement zone sets up many intensive swash plates 3, makes suspended impurities deposit in filtration liquid in swash plate 3, and water rises along swash plate 3 and flows, and the mud sediment of separation is discharged through mud pipe 401 in concentrating again to the mud fill 4 of gliding to along swash plate 3 under the action of gravity, makes the device have the practicality, has improved the high efficiency of device.

Specifically, through the use at cooler 8, after microfiltration membrane 7 operating time is longer, can make inside scald, can lead to microfiltration membrane 7 abnormal operation, infuse cold water into microfiltration membrane 7 through cooler 8 and cool down for it, bring the heat back to cooler 8, make it cool off the heat, make the device have the practicality, improved the security of device.

The working principle is as follows: when in use, firstly, the percolate is infused into the precipitation tank 1 from the liquid inlet 101, the liquid is guided to a precipitation area through the rectification wall 2, a plurality of dense inclined plates 3 are arranged in the precipitation area, the suspended impurities in the percolate are precipitated in the inclined plates 3, water flows upwards along the inclined plates 3, the separated sludge slides downwards along the inclined plates 3 to the sludge hopper 4 under the action of gravity, then the sludge is concentrated and discharged through the sludge discharge pipe 401, the ascending liquid is discharged from the liquid outlet 102 to the main pipe 103 and is branched into the micro-filtration membrane 7 through the main pipe 103 for filtration, the pore diameter of the micro-filtration membrane 7 is uniform, the surface porosity is high, the thickness of the micro-filtration membrane 7 is small, the loss caused by the absorption of the liquid by the filtration medium is very little, the polymer micro-filtration membrane 7 is a uniform continuous body, no medium falls off during the filtration, no secondary pollution is caused, and the water in the percolate is discharged into the drainage chamber 6 through the permeable pipe 704, and then the water is discharged through the water outlet pipe 601, the high-concentration penetrating fluid is discharged into the liquid storage barrel 9 from the water outlet pipe 702 at the tail part of the microfiltration membrane 7, after the work time of the microfiltration membrane 7 is longer, the inside of the microfiltration membrane 7 can be scalded, the operation of the microfiltration membrane 7 can be abnormal, cold water is infused into the microfiltration membrane 7 through the cooler 8 to cool the microfiltration membrane 7, and heat is brought back to the cooler 8 to cool the microfiltration membrane.

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 landfill leachate MF membrane preprocessing device, includes precipitation tank (1), sludge bucket (4), processing module (5), microfiltration membrane (7) and cooler (8), its characterized in that: the improved sludge treatment device is characterized in that a rectifying wall (2) is installed on one side inside the settling tank (1), an inclined plate (3) is installed inside the settling tank (1), a sludge hopper (4) is evenly installed at the bottom of the settling tank (1), a sludge discharge pipe (401) is installed at the bottom of the sludge hopper (4), a treatment assembly (5) is installed on one side of the settling tank (1), a drainage chamber (6) is arranged at the bottom of the treatment assembly (5), a micro-filtration membrane (7) is installed at the top of the drainage chamber (6), a cooler (8) is installed at the top of the treatment assembly (5), and a liquid storage barrel (9) is installed on one side of the treatment assembly (5).

2. The pretreatment device of the landfill leachate MF membrane as claimed in claim 1, wherein: a liquid inlet (101) is installed at the top of one side of the settling tank (1), a liquid outlet (102) is installed at the top of the other side of the settling tank (1), a valve is arranged on the liquid outlet (102), a main pipe (103) is installed at one end of the liquid outlet (102) in a communicated mode, and a branch pipe (104) is installed on the main pipe (103).

3. The pretreatment device of the landfill leachate MF membrane as claimed in claim 1, wherein: base (501) are installed to processing component (5) bottom both sides, install manometer (502) on processing component (5).

4. The pretreatment device of the landfill leachate MF membrane as claimed in claim 1, wherein: water outlet pipe (601) is installed to drainage chamber (6) one side bottom, inlet tube (602) are all installed to top both sides in drainage chamber (6), drainage chamber (6) openly are equipped with pressure valve (603).

5. The pretreatment device of the landfill leachate MF membrane as claimed in claim 1, wherein: feed liquor pipe (701) is installed to microfiltration membrane (7) one end, drain pipe (702) is installed to the microfiltration membrane (7) other end, pipe (704) of permeating water is installed at microfiltration membrane (7) bottom both ends, it runs through drainage chamber (6) and inlet tube (602) intercommunication to permeate water pipe (704), it installs supporting leg (703) to permeate water between pipe (704).

6. The pretreatment device of the landfill leachate MF membrane as claimed in claim 1, wherein: the cooler (8) is composed of a sealing washer (801), a fixed tube plate (802), a baffle plate (803), a heat transfer tube (804), a floating tube plate (805), a water return cover (806), a tube barrel (807) and a foot rest (808).

7. The pretreatment device of the landfill leachate MF membrane as claimed in claim 1, wherein: the top of one end of the liquid storage barrel (9) is provided with a connecting pipe (901), and the connecting pipe (901) is connected with the liquid outlet pipe (702).