Chemical sewage treatment pipeline capable of conveniently preventing blockage

Abstract

The chemical sewage treatment pipeline comprises a water inlet pipe, a water outlet pipe and a filter pipe installed between the water inlet pipe and the water outlet pipe in a spliced mode, a first annular step is arranged at the end, close to the water inlet pipe, of the filter pipe, and a filter residue net cover is installed on the first annular step in an inserted mode. A second annular step is arranged at the end, close to the water outlet pipe, of the filter pipe, an activated carbon filter screen assembly is inserted into the second annular step, and the filter residue net cover is connected with the activated carbon filter screen assembly through a locking mechanism. The first annular step and the second annular step are matched with the locking mechanism for connection and installation, the filter residue mesh enclosure and the activated carbon filter screen assembly can be rapidly fixed to the two ends of the filter pipe respectively, then the filter pipe is spliced with the water inlet pipe and the water outlet pipe, and therefore rapid assembly is completed, and the filter is simple in structure and convenient to use. The filter residue net cover and the activated carbon filter screen assembly can be locked and fixed at the same time only through one locking mechanism, and high assembling and disassembling efficiency is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field especially, relate to a chemical industrial sewage treatment pipeline convenient to prevent blockage. BACKGROUND

[0002] At present, when filtering and treating chemical industrial sewage, activated carbon filter screen is generally used to filter and remove small particle impurities in chemical industrial sewage, usually, the activated carbon filter screen is installed in the pipeline. In order to avoid that the impurities with relatively large particles mixed in the chemical industrial sewage cause blockage or scratch of the activated carbon filter screen, and achieve the purpose of disassembling and replacing the activated carbon filter screen, the utility model discloses a chemical industrial sewage treatment pipeline, a first filter pipe provided with a collecting cylinder is connected with a water inlet pipe and a second filter pipe provided with an activated carbon filter screen by screwing, in the scheme, the following deficiencies exist:

[0003] (1) the water inlet pipe, the first filter pipe and the second filter pipe are all pipeline structures with different structures, which increase the production and preparation difficulty of parts;

[0004] (2) the installation of the collecting cylinder and the activated carbon filter screen is fixed by a large number of bolts, and the assembly or disassembly process is relatively cumbersome.

[0005] Therefore, it is necessary to further improve and optimally design the structure of the existing chemical industrial sewage treatment pipeline in terms of rapid assembly and disassembly and easy preparation. CONTENT OF THE UTILITY MODEL

[0006] The utility model aims at providing a chemical industrial sewage treatment pipeline convenient to prevent blockage, by setting first annular step and second annular step at both ends of the filter pipe, using locking mechanism, the filter residue cover and activated carbon filter screen assembly can be quickly fixed at both ends of the filter pipe, then both ends of the filter pipe are spliced with the water inlet pipe and the water outlet pipe, the structure is simple, and the pipeline is convenient to quickly assemble and disassemble, and the problems mentioned in the background technology are well solved.

[0007] In order to achieve the above object, the utility model adopts the following technical scheme:

[0008] A chemical industrial sewage treatment pipeline convenient to prevent blockage, comprising a water inlet pipe, a water outlet pipe and a filter pipe spliced and installed between the water inlet pipe and the water outlet pipe, one end of the filter pipe close to the water inlet pipe is provided with a first annular step, the first annular step is inserted and installed with a filter residue cover, one end of the filter pipe close to the water outlet pipe is provided with a second annular step, the second annular step is inserted and installed with an activated carbon filter screen assembly, and the filter residue cover is connected with the activated carbon filter screen assembly through a locking mechanism.

[0009] Further, the locking mechanism comprises a locking rod and a nut, a peripheral wall of the locking rod is provided with external threads matched with the nut, an end of the locking rod away from the nut is provided with a locking head, and the residue screen cover and the activated carbon filter screen assembly are both provided with through holes for the locking rod to pass through.

[0010] Further, the residue screen cover comprises a bottom wall portion and a side wall portion surrounding an outer periphery of the bottom wall portion, the bottom wall portion and the side wall portion are both provided with residue holes, and an edge of the side wall portion is provided with annularly distributed positioning discs, and a profile shape of the positioning discs is matched with a shape of the first annular step.

[0011] Further, the residue screen cover is in a shape of a circular truncated cone as a whole, and the activated carbon filter screen assembly is in a shape of a circular disc as a whole.

[0012] Further, the positioning discs are connected to the first annular step by magnetic attraction through a magnetic attraction device, and the magnetic attraction device comprises a ferrous ring piece fixed to the first annular step and a plurality of magnet blocks distributed on the positioning discs and magnetically attracted to the ferrous ring piece.

[0013] Further, the ferrous ring piece is connected to the first annular step through a plurality of screws.

[0014] Further, a positioning structure is arranged between the ferrous ring piece and the positioning discs, the positioning structure comprises a positioning column arranged on the ferrous ring piece and a positioning hole arranged on the positioning discs, and the positioning column is connected to the positioning hole in a plug-in manner.

[0015] Further, the activated carbon filter screen assembly comprises an outer frame, an inner frame, a first screen, a second screen and activated carbon filter material, the outer frame is connected to outer edges of the first screen and the second screen respectively, the inner frame is connected to inner edges of the first screen and the second screen respectively, and the activated carbon filter material is distributed between the first screen and the second screen.

[0016] Further, the filter pipe is provided with a first flange mounting disc and a second flange mounting disc at two ends thereof respectively, the water inlet pipe is provided with a third flange mounting disc connected to the first flange mounting disc at an end close to the filter pipe, the water outlet pipe is provided with a fourth flange mounting disc connected to the second flange mounting disc at an end close to the filter pipe, and the first flange mounting disc and the third flange mounting disc and the second flange mounting disc and the fourth flange mounting disc are connected by bolt and nut assemblies respectively.

[0017] Further, sealing gaskets are arranged between the first flange mounting disc and the third flange mounting disc and between the second flange mounting disc and the fourth flange mounting disc respectively.

[0018] Compared with the prior art, the chemical sewage treatment pipeline convenient for preventing blockage has the following beneficial effects:

[0019] The utility model discloses a three -section type splicing pipeline structure design scheme, through setting up the first annular step for quick plug -in positioning filter residue screen cover and the second annular step for quick plug -in positioning activated carbon filter screen subassembly respectively at the both ends of filter pipe, cooperation and connection installation of locking mechanism, can quick filter residue screen cover, activated carbon filter screen subassembly is fixed respectively at the both ends of filter pipe, then again the both ends of filter pipe are spliced with inlet pipe and outlet pipe respectively, to complete quick assembly, and its structure is simple, only needs a locking mechanism to realize locking fixed filter residue screen cover and activated carbon filter screen subassembly simultaneously, compared with the mode of a large number of bolts fixed, greatly improve the efficiency of assembly and disassembly. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description is only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying the creativity of labor.

[0021] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0022] Figure 2 It is the half cross section structure schematic diagram of the utility model;

[0023] Figure 3 It is the assembly schematic diagram of inlet pipe, outlet pipe and filter pipe;

[0024] Figure 4 It is the assembly schematic diagram of filter residue screen cover, activated carbon filter screen subassembly and filter pipe;

[0025] Figure 5 It is the assembly schematic diagram of filter residue screen cover, activated carbon filter screen subassembly and filter pipe in another view;

[0026] Figure 6 It is the parts explosion drawing of activated carbon filter screen subassembly;

[0027] Figure 7 It is the assembly schematic diagram of ferrule piece and filter pipe.

[0028] Reference signs: 1, water inlet pipe; 11, third flange mounting disc; 2, water outlet pipe; 21, fourth flange mounting disc; 3, filter pipe; 31, first annular step; 32, second annular step; 33, first flange mounting disc; 34, second flange mounting disc; 4, filter residue screen cover; 41, bottom wall part; 411, through hole; 42, side wall part; 421, filter residue hole; 43, positioning disc; 431, magnet block; 432, positioning hole; 5, activated carbon filter screen assembly; 51, outer frame; 52, inner frame; 53, first screen; 54, second screen; 55, activated carbon filter material; 6, locking mechanism; 61, locking rod; 611, locking head; 62, nut; 7, iron ring piece; 71, screw; 72, positioning column; 8, bolt and nut assembly; 9, sealing gasket. DETAILED DESCRIPTION

[0029] The technical solutions of the present application will be described clearly and completely below by means of specific examples in combination with the drawings. Obviously, the described examples are only some of the embodiments of the present application, but not all the embodiments. Based on the examples in the present application, all other examples obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] Please refer to Figures 1-7 , the present embodiment provides a kind of chemical industrial wastewater treatment pipeline for preventing blockage, including water inlet pipe 1, water outlet pipe 2 and filter pipe 3 being spliced and installed between water inlet pipe 1 and water outlet pipe 2, the first annular step 31 of filter pipe 3 is close to the end of water inlet pipe 1, the filter residue screen cover 4 is inserted and installed in the first annular step 31, the second annular step 32 of filter pipe 3 is close to the end of water outlet pipe 2, the activated carbon filter screen assembly 5 is inserted and installed in the second annular step 32, the filter residue screen cover 4 is connected with the activated carbon filter screen assembly 5 by locking mechanism 6.Due to the design scheme of three-section splicing pipeline structure, by setting the first annular step for quickly inserting and positioning filter residue screen cover and the second annular step for quickly inserting and positioning activated carbon filter screen assembly at the two ends of filter pipe respectively, the filter residue screen cover and activated carbon filter screen assembly can be fixed at the two ends of filter pipe respectively by the connection and installation of locking mechanism, then the two ends of filter pipe are spliced with water inlet pipe and water outlet pipe respectively, to complete quick assembly, it is simple in structure, only one locking mechanism can be used to lock and fix filter residue screen cover and activated carbon filter screen assembly simultaneously, compared with the mode of fixing by a large number of bolts, the efficiency of assembly and disassembly is greatly improved.

[0031] In some specific embodiments, reference is made to Figure 2 , Figure 4 and Figure 5The locking mechanism 6 comprises a locking rod 61 and a nut 62. The peripheral wall of the locking rod 61 is provided with external threads which are adapted to connect with the nut 62. The end of the locking rod 61 away from the nut 62 is provided with a locking head 611. The filter residue screen cover 4 and the activated carbon filter screen assembly 5 are each provided with a through hole 411 through which the locking rod 61 passes. After the filter residue screen cover and the activated carbon filter screen assembly are respectively inserted and mounted in place on the filter tube, the locking rod is passed through the through holes in the activated carbon filter screen assembly and the filter residue screen cover in sequence, and the nut is tightened, so that the filter residue screen cover and the activated carbon filter screen assembly can be quickly locked and fixed.

[0032] In some specific embodiments, with reference to Figures 2-5 The filter residue screen cover 4 comprises a bottom wall portion 41 and a side wall portion 42 which surrounds the outer periphery of the bottom wall portion 41. The bottom wall portion 41 and the side wall portion 42 are each provided with a filter residue hole 421. The side wall portion 42 is provided at the edge thereof with an annularly distributed positioning disc 43 which is adapted in shape to the first annular step 31. In this way, the positioning disc and the first annular step can be inserted and fitted, so that the filter residue screen cover can be quickly positioned and fixed on the filter tube.

[0033] As an example, as shown in Figure 4 and Figure 5 The filter residue screen cover 4 is in the shape of a circular truncated cone as a whole, and the activated carbon filter screen assembly 5 is in the shape of a circular disc as a whole.

[0034] As an improved embodiment, with reference to Figures 3-5 In order to improve the efficiency of installing and removing the filter residue screen cover, the positioning disc 43 is connected to the first annular step 31 by magnetic attraction through a magnetic attraction device. The magnetic attraction device comprises a ferrous ring 7 which is fixed to the first annular step 31 and a plurality of magnet blocks 431 which are distributed on the positioning disc 43 and are magnetically attracted to the ferrous ring 7. In this way, the magnet blocks installed on the positioning disc and the ferrous ring fixed to the first annular step can be magnetically attracted, so that the filter residue screen cover can be quickly magnetically attracted and fixed on the filter tube.

[0035] Specifically, as shown in Figure 7 The ferrous ring 7 is connected to the first annular step 31 by a plurality of screws 71.

[0036] As an improved embodiment, with reference to Figure 4 , Figure 5 and Figure 7 In order to facilitate the installation and limit the rotation of the filter residue screen cover, a positioning structure is provided between the ferrous ring 7 and the positioning disc 43. Specifically, the positioning structure comprises a positioning column 72 provided on the ferrous ring 7 and a positioning hole 432 provided on the positioning disc 43, and the positioning column 72 and the positioning hole 432 are inserted and connected.

[0037] In some specific embodiments, referring to Figure 2 , Figures 4-6 , the activated carbon filter screen assembly 5 comprises an outer frame 51, an inner frame 52, a first screen 53, a second screen 54, and activated carbon filter material 55, the outer frame 51 is connected with the outer edges of the first screen 53 and the second screen 54 respectively, the inner frame 52 is connected with the inner edges of the first screen 53 and the second screen 54 respectively, and the activated carbon filter material 55 is distributed between the first screen 53 and the second screen 54.

[0038] In some specific embodiments, referring to Figures 1-3 , the two ends of the filter pipe 3 are respectively provided with a first flange mounting disc 33 and a second flange mounting disc 34, the water inlet pipe 1 is provided with a third flange mounting disc 11 connected with the first flange mounting disc 33 at one end close to the filter pipe 3, and the water outlet pipe 2 is provided with a fourth flange mounting disc 21 connected with the second flange mounting disc 34 at one end close to the filter pipe 3, and the first flange mounting disc 33 and the third flange mounting disc 11 and the second flange mounting disc 34 and the fourth flange mounting disc 21 are connected by bolt and nut assemblies 8 respectively. In this way, by locking the bolt and nut assemblies, the two ends of the filter pipe can be quickly assembled and connected with the water inlet pipe and the water outlet pipe respectively; when maintenance and cleaning or replacement of parts are needed, it can also be quickly disassembled. In addition, since the structure of the water inlet pipe and the structure of the water outlet pipe are the same, the overall structure is simpler, facilitating the storage and replacement of parts, and reducing the difficulty of production and preparation of parts.

[0039] As an improved embodiment, referring to Figure 2 and Figure 3 , in order to improve the sealing performance, the first flange mounting disc 33 and the third flange mounting disc 11 and the second flange mounting disc 34 and the fourth flange mounting disc 21 are respectively provided with sealing gaskets 9.

[0040] In actual use, as shown in Figure 2 , the chemical wastewater is input by the water inlet pipe 1 and flows through the filter residue screen cover 4 and the activated carbon filter screen assembly 5 on the filter pipe 3 in turn, and then is output from the water outlet pipe 2. When the chemical wastewater flows through the filter residue screen cover 4, the larger particles of impurities in the chemical wastewater are intercepted and stay in the filter residue screen cover 4 because they cannot pass through; when the chemical wastewater flows through the activated carbon filter screen assembly 5, the small particles of impurities in the chemical wastewater are adsorbed by the activated carbon filter material 55 to achieve the purpose of removal.

[0041] After a period of use, when the user needs to clean or replace the filter residue screen cover 4 and the activated carbon filter screen assembly 5, referring to Figure 3 , the filter residue screen cover 4 and the activated carbon filter screen assembly 5 can be quickly disassembled and replaced., the filter tube 3 can be disassembled by disassembling the bolt-nut assembly 8; at this time, referring to Figure 4 and Figure 5 , the filter residue screen cover 4 and the activated carbon filter screen assembly 5 can be unlocked by only screwing the nut 62 on the disassembly lock rod 61; then, holding the lock rod 61 and using the lock head 611 on the lock rod 61 to push the bottom wall part 41 of the filter residue screen cover 4, the filter residue screen cover 4 can be easily pushed out by overcoming the magnetic attraction force; after that, holding the lock rod 61 and using the lock head 611 on the lock rod 61 to push the activated carbon filter screen assembly 5, the activated carbon filter screen assembly 5 is separated from the filter tube 3, so that the user can clean and replace the activated carbon filter screen assembly 5 and the filter residue screen cover 4.

[0042] The above embodiments only exemplarily illustrate the concept and technical solution of the present application, and are not used to limit the present application. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present application. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought of the present application should be covered by the claims of the present application.

[0043] In addition, it should be understood that although the present application is described in the embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments which can be understood by those skilled in the art.

Claims

1. A chemical wastewater treatment pipeline designed to prevent clogging, comprising an inlet pipe, an outlet pipe, and a filter pipe installed between the inlet pipe and the outlet pipe, characterized in that, The filter tube has a first annular step at one end near the inlet pipe, and a filter screen is inserted into the first annular step. The filter tube has a second annular step at one end near the outlet pipe, and an activated carbon filter assembly is inserted into the second annular step. The filter screen is connected to the activated carbon filter assembly via a locking mechanism. The locking mechanism includes a locking rod and a nut. The peripheral wall of the locking rod has an external thread that is adapted to connect with the nut. The end of the locking rod away from the nut has a locking head. Both the filter screen and the activated carbon filter assembly have through holes for the locking rod to pass through.

2. The chemical wastewater treatment pipeline for easy clogging prevention according to claim 1, characterized in that, The filter screen includes a bottom wall and a side wall surrounding the bottom wall. Both the bottom wall and the side wall are provided with filter holes. The side wall is provided with a ring of positioning discs along its edge. The outline of the positioning discs is adapted to the shape of the first annular step.

3. The chemical wastewater treatment pipeline for easy clogging prevention according to claim 2, characterized in that, The filter screen is generally shaped like a frustum, and the activated carbon filter assembly is generally shaped like a disc.

4. The chemical wastewater treatment pipeline for easy clogging prevention according to claim 2, characterized in that, The positioning disk is magnetically connected to the first annular step via a magnetic attraction device. The magnetic attraction device includes an iron ring plate fixed to the first annular step and a plurality of magnet blocks distributed on the positioning disk that are magnetically attracted to the iron ring plate.

5. The chemical wastewater treatment pipeline for easy clogging prevention according to claim 4, characterized in that, The iron ring plate is connected to the first annular step by a number of screws.

6. The chemical wastewater treatment pipeline for easy clogging prevention according to claim 4, characterized in that, A positioning structure is provided between the iron ring plate and the positioning disk. The positioning structure includes a positioning post on the iron ring plate and a positioning hole on the positioning disk. The positioning post and the positioning hole are connected by insertion.

7. The chemical wastewater treatment pipeline for easy clogging prevention according to claim 1, characterized in that, The activated carbon filter assembly includes an outer frame, an inner frame, a first mesh, a second mesh, and activated carbon filter material. The outer frame is connected to the outer edge of the first mesh and the outer edge of the second mesh, respectively. The inner frame is connected to the inner edge of the first mesh and the inner edge of the second mesh, respectively. The activated carbon filter material is distributed between the first mesh and the second mesh.

8. The chemical wastewater treatment pipeline with easy anti-clogging properties according to any one of claims 1 to 7, characterized in that, The filter tube is provided with a first flange mounting plate and a second flange mounting plate at both ends, respectively. The inlet pipe is provided with a third flange mounting plate connected to the first flange mounting plate at one end near the filter tube, and the outlet pipe is provided with a fourth flange mounting plate connected to the second flange mounting plate at one end near the filter tube. The first flange mounting plate and the third flange mounting plate, and the second flange mounting plate and the fourth flange mounting plate are respectively connected by bolt and nut assemblies.

9. The chemical wastewater treatment pipeline for easy clogging prevention according to claim 8, characterized in that, Sealing gaskets are provided between the first flange mounting plate and the third flange mounting plate, and between the second flange mounting plate and the fourth flange mounting plate.

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