Material separating device

By designing a locking rod and scraping assembly for the material separation device, the problems of cumbersome separation membrane installation and organic matter adhesion were solved, enabling rapid installation and effective anti-adhesion, thus extending the service life of the equipment.

CN223752574UActive Publication Date: 2026-01-02PUZHI (XIONGAN) ENVIRONMENTAL PROTECTION ENGINEERING TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423228006.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2026-01-02
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

In existing technologies, the installation and replacement of separation membranes are cumbersome, and organic matter easily adheres to the inner wall of the equipment, affecting the service life of the equipment.

Method used

A material separation device was designed, comprising a separation tank, a separation membrane assembly, and a scraping assembly. The separation membrane assembly can be quickly installed and disassembled by a locking rod, and the organic matter on the inner wall is scraped off by a scraper driven by an agitator.

Benefits of technology

It simplifies the installation and disassembly process of the separation membrane module, improves replacement efficiency, prevents organic matter adhesion, and extends the service life of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a material separating device which comprises a separating tank body, a separating membrane assembly and a scraping and sweeping assembly, the top of the separating tank body is connected with a cover body, the separating membrane assembly is connected to the middle of the separating tank body, the middle of the separating membrane assembly is connected with the cover body through a pull rod, and the periphery of the separating membrane assembly is connected with the separating tank body through a locking assembly. The locking assembly is provided with a locking rod, and the inner end of the locking rod is used for being inserted into the peripheral wall of the separation membrane assembly; the scraping and sweeping assembly is connected to the bottom of the separation tank body and comprises a stirring piece and a scraping piece, and the scraping piece is used for scraping organic matter attached to the inner wall of the separation tank body. According to the material separation device provided by the utility model, the separation membrane component is quickly and stably mounted through the locking rod and the pull rod, so that the replacement efficiency of the separation membrane component is improved; and the inner wall of the separation tank body is scraped and swept by using the scraping blades, so that organic matters can be effectively prevented from being adhered to the inner wall of the separation tank body, and the service life of the material separation device is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to industrial wastewater treatment technical field, concretely relates to a material separation device. BACKGROUND

[0002] For the wastewater generated during industrial production, the membrane system is usually used for wastewater recovery treatment, but the membrane system also produces concentrated liquid while treating the wastewater. The concentrated liquid belongs to the organic wastewater which is difficult to degrade, and has the characteristics of high salt content and high calcium and magnesium hardness. If the evaporation method is used, a large amount of pretreatment is required, and the treatment cost is high, the process route is long, and the stability is poor.

[0003] In the prior art, the treatment of the above-mentioned concentrated liquid mostly uses a separation membrane to filter the organic matter, so as to obtain salt water without organic matter, realize the separation of the organic matter and the salt, and then facilitate the recovery of the salt. However, with the extension of the use time, the filtering effect of the separation membrane will obviously decrease, and it needs to be disassembled for cleaning or replacement. However, in the existing equipment, the installation and replacement process of the separation membrane is relatively cumbersome, which increases the time cost. In addition, due to the large concentration of organic matter before wastewater separation, the organic matter is easy to accumulate and adhere to the inner wall of the equipment, thereby affecting the service life of the equipment. SUMMARY

[0004] The utility model embodiment provides a material separation device, can simplify separation membrane component installation and disassembly process, has improved the replacement efficiency of separation membrane component, can effectively prevent organic matter from adhering to the inner wall of the separation tank, and is helpful to prolong the service life of the material separation device.

[0005] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of: providing a material separation device, which comprises a separation tank, a separation membrane assembly and a scraping assembly. The top of the separation tank is connected with a cover body for plugging the upper opening of the separation tank. The bottom of the separation tank is connected with a water inlet pipe, and the upper part is connected with a drain pipe. The separation membrane assembly is connected to the middle part of the separation tank and is used for filtering the organic matter in the wastewater. The middle part of the separation membrane assembly is connected with the cover body through a pull rod extending in the upward and downward directions. The outer periphery of the separation membrane assembly is connected with the separation tank through a plurality of locking assemblies. The locking assembly has a locking rod arranged along the radial direction of the separation tank and slidingly matched with the side wall of the separation tank. The inner end of the locking rod is used for inserting and connecting with the peripheral wall of the separation membrane assembly to position the separation membrane assembly. The scraping assembly is connected to the bottom of the separation tank. The scraping assembly comprises a stirring piece rotationally connected in the separation tank and a scraping piece connected to the peripheral wall of the stirring piece. The scraping piece can contact with the inner wall of the separation tank to scrape the organic matter adhering to the inner wall of the separation tank.

[0006] As another embodiment of the utility model, the separation membrane assembly comprises a supporting frame connected with the inner circumferential wall of the separation tank body and a separation membrane arranged in the supporting frame, a plurality of radially extending insertion holes are arranged on the circumferential wall of the supporting frame, and the locking rod is inserted and matched with the insertion holes one by one.

[0007] As another embodiment of the utility model, the bottom of the supporting frame is provided with a supporting bottom plate, the inner circumferential wall of the supporting frame is provided with an installation groove extending in the circumferential direction and located above the supporting bottom plate, the separation membrane is arranged in the installation groove, an activated carbon filter plate is arranged between the separation membrane and the supporting bottom plate, and a plurality of filter holes penetrating through the supporting bottom plate in the up-down direction are arranged on the supporting bottom plate.

[0008] As another embodiment of the utility model, the pull rod is arranged through the separation membrane assembly, a positioning nut for pressing on the upper and lower sides of the separation membrane assembly is arranged on the outer circumferential thread of the pull rod, the upper end of the pull rod is arranged through the cover body and is threadedly connected with a locking nut for pressing on the top wall of the cover body.

[0009] As another embodiment of the utility model, the locking assembly further comprises a mounting seat connected with the outer circumferential wall of the separation tank body, the locking rod is arranged through the mounting seat and is in sliding cooperation with the mounting seat, the mounting seat is provided with a horizontally penetrating mounting cavity, the locking rod is provided with a positioning boss outwardly protruding from the outer circumferential wall and located in the mounting cavity, an elastic member is arranged on the outer circumferential thread of the locking rod and located between the positioning boss and the cavity wall of the mounting cavity, and the elastic member is used for elastically pressing on the side wall of the positioning boss to enable the locking rod to be inserted into the insertion hole.

[0010] As another embodiment of the utility model, the outer end of the locking rod is connected with a radially extending positioning rod, the outer side of the mounting seat is connected with two positioning plates arranged in parallel and extending outwardly, the positioning plates are provided with positioning grooves with openings facing outward, and the positioning grooves are used for clamping cooperation with the positioning rod to enable the locking rod to be separated from the supporting frame.

[0011] As another embodiment of the utility model, the stirring member comprises a first stirring shaft rotatably connected in the separation tank body and a plurality of stirring rods connected with the outer circumferential wall of the first stirring shaft, the stirring rods extend upward along the inner circumferential wall of the separation tank body, and the scraping pieces are connected with the circumferential wall of the stirring rods.

[0012] As another embodiment of the utility model, the first stirring shaft and the stirring rods are both hollow tubular members, and the inner cavities of the first stirring shaft and the stirring rods are in communication with each other, the lower end of the first stirring shaft is connected with the water inlet pipe, and the outer circumferential wall of the stirring rods is connected with a plurality of nozzles for spraying on the inner circumferential wall of the separation tank body.

[0013] As another embodiment of the utility model, the water inlet end of the water inlet pipe is connected with a pretreatment box, the upper part of the pretreatment box is provided with a liquid inlet, and the lower part of the pretreatment box is provided with a residue discharge port, and the pretreatment box is connected with a dosing pipe for adding reagents into the pretreatment box.

[0014] As another embodiment of the utility model, the second stirring shaft is rotatably connected in the pretreatment box, the outer periphery of the second stirring shaft is connected with stirring blades, the outlet end of the dosing pipe is connected with a ring branch pipe located in the pretreatment box, and the pipe wall of the ring branch pipe is connected with a plurality of nozzles arranged towards the stirring blades.

[0015] The material separation device has the advantages that compared with the prior art, the material separation device is used, the separation membrane assembly is installed in the separation tank body, the inner end of the locking rod is inserted into the peripheral wall of the separation membrane assembly through horizontal sliding of the locking rod, the separation membrane assembly is quickly and stably installed, when the separation membrane assembly needs to be disassembled, the locking rod is slid outward to release the outer periphery of the separation membrane assembly, the cover body is opened upward, the separation membrane assembly is taken out through the pull rod, the replacement efficiency of the separation membrane assembly is greatly improved, the stirring piece is used to drive the scraping piece to rotate to scrape the inner wall of the separation tank body, the organic matter is prevented from adhering to the inner wall of the separation tank body, and the service life of the material separation device is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0017] Figure 1 A material separation device structure schematic view is provided for the embodiments of the utility model;

[0018] Figure 2 A material separation device structure schematic view is provided for the embodiments of the utility model; Figure 1

[0019] Figure 3 A locking state structure schematic view of a locking assembly is provided for the embodiments of the utility model;

[0020] Figure 4 An opening state structure schematic view of a locking assembly is provided for the embodiments of the utility model;

[0021] Figure 5 A scraping assembly structure schematic view is provided for the embodiments of the utility model;

[0022] Figure 6 A scraping assembly structure schematic view is provided for the embodiments of the utility model;

[0023] In the drawings, various reference signs represent:

[0024] ​1, separation tank body; 11, positioning ring plate; 12, cover body; 13, water inlet pipe; 14, drain pipe; 15, pull rod; 16, positioning nut; 17, locking nut; 2, separation membrane assembly; 21, supporting frame; 211, supporting bottom plate; 2111, filter hole; 22, separation membrane; 23, activated carbon filter plate; 3, locking assembly; 31, locking rod; 311, positioning boss; 312, positioning rod; 32, mounting seat; 321, mounting cavity; 322, positioning plate; 3221, positioning groove; 33, elastic member; 4, scraping assembly; 41, stirring member; 411, first stirring shaft; 412, stirring rod; 413, nozzle; 42, scraper; 5, pretreatment box; 51, liquid inlet; 52, residue discharge port; 53, dosing pipe; 531, ring branch pipe; 532, spray head; 54, second stirring shaft; 55, stirring blade. DETAILED DESCRIPTION

[0025] In order to make the technical problems, technical solutions and beneficial effects of the present application more clearly understood, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the present application.

[0026] It should be noted that when an element is referred to as "disposed on" another element, it can be directly on the other element or indirectly on the other element. It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. The terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or several of the features. In the description of the present application, the meaning of "a plurality of", "several" is two or more, unless otherwise explicitly specified.

[0027] Please see Figures 1 to 6The utility model provides a kind of material separation device, and the utility model provides a kind of material separation device will be described now.The material separation device, including separation tank body 1, separation membrane component 2 and scraping component 4, separation tank body 1 top is connected with the cover body 12 for blocking separation tank body 1 upper mouth, the bottom of separation tank body 1 is connected with water inlet pipe 13, upper portion is connected with drain pipe 14, separation membrane component 2 is connected in the middle of separation tank body 1, and it is used for filtering organic matter in waste water, the middle part of separation membrane component 2 is connected with cover body 12 by pull rod 15 extending along up-down direction, the outer periphery of separation membrane component 2 is connected with separation tank body 1 by several locking components 3, locking component 3 has locking rod 31 being arranged along the radial direction of separation tank body 1 and being slidably matched with the side wall of separation tank body 1, the inner end of locking rod 31 is used for inserting into the circumferential wall of separation membrane component 2 to position separation membrane component 2;Scraping component 4 is connected to the bottom of separation tank body 1, and scraping component 4 includes stirring member 41 rotatably connected in separation tank body 1 and scraping blade 42 connected to the circumferential wall of stirring member 41, and scraping blade 42 can be in contact with the inner wall of separation tank body 1 to scrape the organic matter adhered to the inner wall of separation tank body 1.

[0028] The material separation device provided in the embodiment is compared with the prior art, after separation membrane component 2 is installed to the inside of separation tank body 1, locking rod 31 is slid horizontally, the inner end of locking rod 31 is inserted into the circumferential wall of separation membrane component 2, and separation membrane component 2 is quickly and stably installed;When separation membrane component 2 needs to be disassembled, locking rod 31 is slid outward to release the outer periphery of separation membrane component 2, cover body 12 is opened upward, separation membrane component 2 can be taken out through pull rod 15, and the replacement efficiency of separation membrane component 2 is greatly improved;Meanwhile, stirring member 41 drives scraping blade 42 to rotate to scrape the inner wall of separation tank body 1, the organic matter adhered to the inner wall of separation tank body 1 can be effectively prevented, and the service life of the material separation device is prolonged.

[0029] In the embodiment, waste water enters separation tank body 1 from water inlet pipe 13 at the bottom, then passes through separation membrane component 2 from bottom to top, separation membrane component 2 filters and intercepts the organic matter in waste water, and salt water filtered of organic matter is discharged upward through separation membrane component 2 by drain pipe 14, so that the separation of organic matter and salt in waste water is realized.

[0030] Specifically, two groups of separation membrane components 2 are provided in the embodiment and arranged in up-down direction, and the filtering capacity of the two groups of separation membrane components 2 increases sequentially from bottom to top, so that the waste water is filtered of organic matter in multiple levels, and the separation effect of organic matter is improved.

[0031] As a specific embodiment of the material separation device provided by the utility model, see Figure 1 And Figure 2The separation membrane assembly 2 comprises a supporting frame 21 connected with the inner circumferential wall of the separation tank body 1 and a separation membrane 22 arranged in the supporting frame 21, and a plurality of radially extending insertion holes are arranged on the circumferential wall of the supporting frame 21, and the locking rods 31 are inserted into the insertion holes in one-to-one correspondence.

[0032] In the embodiment, the supporting frame 21 is arranged to facilitate the installation of the separation membrane 22, and the insertion positioning of the locking assembly 3 and the separation membrane assembly 2 is facilitated. Specifically, the outer circumferential wall of the supporting frame 21 can be attached to the inner wall of the separation tank body 1 to avoid the waste water passing through the gap between the supporting frame 21 and the separation tank body 1 to affect the separation effect. The inner wall of the separation tank body 1 is connected with the positioning ring plate 11 coaxially arranged with the separation tank body 1, which can preliminarily position and support the separation membrane assembly 2 when the separation membrane assembly 2 is installed. More specifically, the locking rods 31 are slidably connected with the separation tank body 1 by penetrating the through holes in the side wall of the separation tank body 1. When the separation membrane assembly 2 is installed and the supporting frame 21 is located on the positioning ring plate 11, the insertion holes on the circumferential wall of the supporting frame 21 are coaxial with the through holes on the separation tank body 1. At this time, the locking rods 31 are horizontally slid to insert the inner ends of the locking rods 31 into the insertion holes, thereby realizing the positioning and installation of the separation membrane assembly 2.

[0033] As a specific embodiment of the material separation device provided by the utility model, referring to Figure 1 and Figure 2 The bottom of the supporting frame 21 is provided with a supporting bottom plate 211, the inner circumferential wall of the supporting frame 21 is provided with an installation groove extending in the circumferential direction and located above the supporting bottom plate 211, the separation membrane 22 is arranged in the installation groove, an activated carbon filter plate 23 is arranged between the separation membrane 22 and the supporting bottom plate 211, and a plurality of filter holes 2111 penetrating through the supporting bottom plate 211 in the up-down direction are arranged on the supporting bottom plate 211.

[0034] In the embodiment, the separation membrane 22 can adopt an ultrafiltration membrane with a pore size of 0.01 to 0.1 microns, which can effectively remove organic molecules in the waste water. The activated carbon filter plate 23 is arranged below the separation membrane 22 (i.e. on the water inlet side of the separation membrane 22), which is used for double preliminary filtration of the waste water, so as to avoid that the waste water with high content of organic matters forms a large burden on the separation membrane 22, thereby avoiding affecting the service life of the separation membrane 22. Through the double adsorption and filtration of the activated carbon filter plate 23 and the separation membrane 22, the filtration effect of the material separation device on the waste water is improved.

[0035] Specifically, the supporting bottom plate 211 of the supporting frame 21 can well support the separation membrane 22 and the activated carbon filter plate 23, and the filter holes 2111 on the supporting bottom plate 211 can make the waste water pass through uniformly, without affecting the filtration work of the separation membrane 22 and the activated carbon filter plate 23.

[0036] As a specific embodiment of the material separation device provided by the utility model, referring to Figure 1The pull rod 15 is provided through the separation membrane assembly 2, outer peripheral threaded sleeves of the pull rod 15 are provided with positioning nuts 16 for pressing on upper and lower sides of the separation membrane assembly 2 respectively, and an upper end of the pull rod 15 is provided through the cover body 12 and is threadedly connected with a locking nut 17 for pressing on a top wall of the cover body 12.

[0037] In the embodiment, a gasket is further arranged between the positioning nut 16 and the separation membrane assembly 2, the separation membrane assembly 2 is connected to the pull rod 15 through the positioning nut 16 and the gasket, and the pull rod 15 is fixed on the cover body 12 through the locking nut 17, so that the connection between the separation membrane assembly 2 and the cover body 12 is realized, the separation membrane assembly 2 is convenient to disassemble or assemble when the cover body 12 is opened or closed, and the installation and disassembly processes of the separation membrane assembly 2 are simplified, and the operation is simple and convenient.

[0038] As a specific embodiment of the material separation device provided by the utility model, referring to Figure 1 and Figure 2 , the locking assembly 3 further comprises a mounting seat 32 connected to an outer peripheral wall of the separation tank body 1, the locking rod 31 is provided through the mounting seat 32 and is in sliding cooperation with the mounting seat 32, the mounting seat 32 has a mounting cavity 321 horizontally provided through, the locking rod 31 is provided with a positioning boss 311 outwardly protruding and located in the mounting cavity 321, an elastic member 33 is provided on the outer periphery of the locking rod 31 and located between the positioning boss 311 and a cavity wall of the mounting cavity 321, and the elastic member 33 is used for elastically pressing on a side wall of the positioning boss 311 to enable the locking rod 31 to be inserted into the insertion hole.

[0039] In the embodiment, the locking rod 31 is pulled outward, the positioning boss 311 moves synchronously with the locking rod 31 to compress the elastic member 33, the inner end of the locking rod 31 is separated from the insertion hole on the supporting frame 21, and then the locking assembly 3 releases the separation membrane assembly 2, so that the separation membrane assembly 2 is convenient to disassemble. When the separation membrane assembly 2 is loaded, the elastic member 33 elastically pushes the positioning boss 311 inward, and then drives the locking rod 31 to slide into the separation tank body 1, so that the inner end of the locking rod 31 is inserted into the insertion hole of the supporting frame 21, and the positioning and installation of the separation membrane assembly 2 are realized.

[0040] As a specific embodiment of the material separation device provided by the utility model, referring to Figure 2 , Figure 3 and Figure 4 , the outer end of the locking rod 31 is connected with a radial positioning rod 312, the outer side of the mounting seat 32 is connected with two positioning plates 322 which are provided in parallel and extend outward, the positioning plate 322 is provided with an outward opening positioning groove 3221, and the positioning groove 3221 is used for clamping cooperation with the positioning rod 312 to enable the locking rod 31 to be separated from the supporting frame 21.

[0041] In the embodiment, the locking assemblies 3 are arranged along the circumference of the separation tank body 1, so that the plurality of locking rods 31 simultaneously lock the outer circumference of the separation membrane assembly 2, thereby increasing the installation stability of the separation membrane assembly 2. When the separation membrane assembly 2 is disassembled, the locking rods 31 need to be simultaneously slid open, at this time, the locking rods 31 are pulled outward to the inner end of the locking rod 31 to be separated from the plug-in hole, and at the same time, the positioning rod 312 protrudes from the outer end surface of the positioning plate 322, then the positioning rod 312 is rotated along the circumference of the locking rod 31, so that the positioning rod 312 corresponds to the positioning groove 3221 slot on the two positioning plates 322, the positioning rod 312 is loosened, under the back pulling action of the elastic member 33, the positioning rod 312 moves inward with the locking rod 31, and then the positioning rod 312 is clamped in the positioning groove 3221, so that the locking rod 31 is kept in the open state. According to the above operation, the locking rods 31 of the plurality of locking assemblies 3 are sequentially opened, and then the separation membrane assembly 2 is completely released.

[0042] As a specific embodiment of the material separation device provided by the utility model, referring to Figure 1 and Figure 5 , the stirring piece 41 comprises a first stirring shaft 411 rotatably connected in the separation tank body 1 and a plurality of stirring rods 412 connected to the outer circumference of the first stirring shaft 411, the stirring rods 412 extend upward along the inner wall of the separation tank body 1, and the scraping piece 42 is connected to the circumferential wall of the stirring rod 412.

[0043] In the embodiment, the stirring rod 412 extends along the trend of the inner wall of the separation tank body 1, so that the outer end of the scraping piece 42 can be attached to the inner bottom wall and the inner side wall of the separation tank body 1, the first stirring shaft 411 drives the stirring rod 412 to rotate, and then the scraping piece 42 continuously scrapes the inner bottom wall and the inner side wall of the separation tank body 1, thereby avoiding the adhesion of organic matter in the wastewater to the inner wall of the separation tank body 1.

[0044] Specifically, the circumferential wall of the stirring rod 412 is provided with a plurality of connecting columns extending outward in the radial direction thereof, the outer end of the connecting column is threadedly connected with a fastening bolt, and the fastening bolt is arranged through the scraping piece 42 to fix the scraping piece 42 to the stirring rod 412. Through the above arrangement, the scraping piece 42 and the stirring rod 412 are detachably connected, and the scraping piece 42 is convenient to replace.

[0045] As a specific embodiment of the material separation device provided by the utility model, referring to Figure 1 , Figure 5 and Figure 6 , the first stirring shaft 411 and the stirring rod 412 are both hollow tubular members, and the inner cavities of the first stirring shaft 411 and the stirring rod 412 are communicated with each other, the lower end of the first stirring shaft 411 is connected with the water inlet pipe 13, and the outer circumference of the stirring rod 412 is connected with a plurality of nozzles 413 for spraying the inner circumferential wall of the separation tank body 1.

[0046] In the embodiment, the wastewater supplied by the water inlet pipe 13 enters the separation tank body 1 through the nozzles 413 on the first stirring shaft 411 and the stirring rod 412, so that the wastewater can be more uniformly distributed in the separation tank body 1, the wastewater can be more uniformly dispersed through the separation membrane assembly 2, and the concentration of the organic matter on the separation membrane assembly 2 is avoided, so that the filtering effect of the separation membrane assembly 2 is affected.

[0047] Specifically, the outlet of the nozzle 413 is arranged towards the rotating direction of the stirring rod 412, so that the wastewater sprayed by the nozzle 413 can play a role of spraying and flushing the inner wall of the separation tank body 1, and the organic matter or suspended matter adhered to the inner wall of the separation tank body 1 can be removed.

[0048] As a specific embodiment of the material separation device provided by the utility model, referring to Figure 1 The water inlet end of the water inlet pipe 13 is connected with a pretreatment box 5, the upper portion of the pretreatment box 5 is provided with a liquid inlet 51, and the lower portion is provided with a residue discharge port 52, and the pretreatment box 5 is connected with a dosing pipe 53, and the dosing pipe 53 is used for adding reagents into the pretreatment box 5.

[0049] In the embodiment, the wastewater enters the pretreatment box 5 through the liquid inlet 51, and sodium carbonate and other chemical reagents are added into the pretreatment box 5 through the dosing pipe 53, so that the wastewater and the reagents can fully react, and after standing, the calcium, magnesium and other inorganic salt impurities contained in the wastewater can be removed, which helps to reduce the burden of the separation membrane assembly 2 in the separation tank body 1 and prolong the service life of the separation membrane assembly 2.

[0050] Specifically, the bottom wall of the pretreatment box 5 is inclined towards the side of the residue discharge port 52, so that the precipitate generated after the wastewater and the reagents react can be conveniently discharged. The outlet end of the pretreatment box 5 is provided with a filtering device to prevent impurities from entering the water inlet pipe 13.

[0051] As a specific embodiment of the material separation device provided by the utility model, referring to Figure 1 The second stirring shaft 54 is rotationally connected in the pretreatment box 5, the outer periphery of the second stirring shaft 54 is connected with stirring blades 55, the outlet end of the dosing pipe 53 is connected with a ring branch pipe 531 located in the pretreatment box 5, and a plurality of nozzles 532 are connected to the pipe wall of the ring branch pipe 531 and arranged towards the stirring blades 55.

[0052] In the embodiment, the second stirring shaft 54 drives the stirring blades 55 to rotate, so that the wastewater and the reagents are fully mixed and the reaction rate of the two is accelerated. The arrangement of the ring branch pipe 531 and the nozzles 532 increases the contact area of the reagents and the wastewater, which helps the uniform mixing of the two.

[0053] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A material separation apparatus, characterized by, The utility model relates to a sewage treatment device, including: a separation tank body, a cover body is connected to the top of the separation tank body for blocking the upper opening of the separation tank body, a water inlet pipe is connected to the bottom of the separation tank body, and a drain pipe is connected to the upper portion of the separation tank body; a separation membrane assembly is connected to the middle portion of the separation tank body and is used for filtering organic matter in wastewater, the middle portion of the separation membrane assembly is connected to the cover body through a pull rod extending in the up-down direction, the outer periphery of the separation membrane assembly is connected to the separation tank body through a plurality of locking assemblies, the locking assembly has a locking rod arranged in the radial direction of the separation tank body and slidingly matched with the side wall of the separation tank body, the inner end of the locking rod is used for inserting and connecting to the peripheral wall of the separation membrane assembly to position the separation membrane assembly; and a scraping assembly is connected to the bottom of the separation tank body, the scraping assembly includes a stirring piece rotatably connected to the inside of the separation tank body and a scraping piece connected to the peripheral wall of the stirring piece, the scraping piece can be in contact with the inner wall of the separation tank body to scrape off the organic matter adhered to the inner wall of the separation tank body.

2. A material separation apparatus as claimed in claim 1, characterised in that The separation membrane assembly includes a supporting frame in contact with the inner peripheral wall of the separation tank body and a separation membrane arranged in the supporting frame, a plurality of radially extending insertion holes are arranged on the peripheral wall of the supporting frame, and the locking rod is inserted and matched with the insertion holes one by one.

3. A material separation apparatus as claimed in claim 2, wherein The bottom of the supporting frame has a supporting bottom plate, the inner periphery of the supporting frame has an installation groove extending in the circumferential direction and located above the supporting bottom plate, the separation membrane is arranged in the installation groove, an activated carbon filter plate is arranged between the separation membrane and the supporting bottom plate, and a plurality of filter holes penetrating in the up-down direction are arranged on the supporting bottom plate.

4. A material separation apparatus as claimed in claim 1, wherein, The pull rod is arranged through the separation membrane assembly, the outer periphery of the pull rod is threadedly sleeved with positioning nuts respectively used for abutting against the upper and lower sides of the separation membrane assembly, and the upper end of the pull rod is arranged through the cover body and is threadedly connected with a locking nut abutting against the top wall of the cover body.

5. A material separation apparatus as claimed in claim 2, wherein The locking assembly further includes a mounting seat connected to the peripheral wall of the separation tank body, the locking rod is arranged through the mounting seat and is slidingly matched with the mounting seat, the mounting seat has a horizontally penetrating installation cavity, the locking rod is provided with a positioning boss outwardly protruding from the outer periphery and located in the installation cavity, the outer periphery of the locking rod is sleeved with an elastic member located between the positioning boss and the cavity wall of the installation cavity, and the elastic member is used for elastically abutting against the side wall of the positioning boss to enable the locking rod to be inserted into the insertion hole.

6. A material separation apparatus as claimed in claim 5, wherein The outer end of the locking rod is connected with a radially extending positioning rod, the outer side of the mounting seat is connected with two positioning plates arranged in parallel and extending outwardly, the positioning plates are provided with positioning grooves with openings facing outward, and the positioning grooves are used for clamping and matching with the positioning rod to enable the locking rod to be separated from the supporting frame.

7. A material separation apparatus as claimed in claim 1, wherein The stirring piece includes a first stirring shaft rotatably connected to the inside of the separation tank body and a plurality of stirring rods connected to the outer periphery of the first stirring shaft, the stirring rods extend upwardly along the inner peripheral wall of the separation tank body, and the scraping piece is connected to the peripheral wall of the stirring rod.

8. A material separation apparatus as claimed in claim 7, wherein The first stirring shaft and the stirring rod are both hollow tubular members, and the inner cavities of the first stirring shaft and the stirring rod are communicated with each other, the lower end of the first stirring shaft is connected with the water inlet pipe, and the outer periphery of the stirring rod is connected with a plurality of nozzles for spraying on the inner peripheral wall of the separation tank body.

9. A material separation apparatus as claimed in claim 1, wherein, The water inlet end of the water inlet pipe is connected with a pretreatment box, the upper portion of the pretreatment box is provided with a liquid inlet, and the lower portion is provided with a residue discharge port, the pretreatment box is connected with a dosing pipe, and the dosing pipe is used for adding reagents into the pretreatment box.

10. A material separation apparatus as claimed in claim 9, wherein A second stirring shaft is rotatably connected in the pretreatment box, stirring blades are connected on the outer periphery of the second stirring shaft, the outlet end of the dosing pipe is connected with a ring branch pipe located in the pretreatment box, and a plurality of nozzles are connected on the pipe wall of the ring branch pipe and arranged towards the stirring blades.