CN111646569A - Improved double-membrane biological treatment device for chemical sewage treatment - Google Patents
Improved double-membrane biological treatment device for chemical sewage treatment Download PDFInfo
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- CN111646569A CN111646569A CN202010434626.9A CN202010434626A CN111646569A CN 111646569 A CN111646569 A CN 111646569A CN 202010434626 A CN202010434626 A CN 202010434626A CN 111646569 A CN111646569 A CN 111646569A
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- 239000012528 membrane Substances 0.000 title claims abstract description 26
- 239000000126 substance Substances 0.000 title claims abstract description 18
- 239000010865 sewage Substances 0.000 title claims abstract description 16
- 238000004140 cleaning Methods 0.000 claims abstract description 63
- 238000010992 reflux Methods 0.000 claims abstract description 41
- 239000007921 spray Substances 0.000 claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000001914 filtration Methods 0.000 claims description 35
- 238000004065 wastewater treatment Methods 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 9
- 238000003756 stirring Methods 0.000 description 7
- 238000007789 sealing Methods 0.000 description 5
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- AHEWZZJEDQVLOP-UHFFFAOYSA-N monobromobimane Chemical group BrCC1=C(C)C(=O)N2N1C(C)=C(C)C2=O AHEWZZJEDQVLOP-UHFFFAOYSA-N 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention provides an improved double-membrane biological treatment device for chemical sewage treatment, which relates to the field of sewage treatment and solves the problems that residues are easy to adhere to filter holes after the device is used for a period of time and need to be manually cleaned, but the device can not automatically clean when a reflux pump works and stops; the reflux pump can not realize the self-cleaning problem of residue on the guide hole filter screen simultaneously at the backward flow in-process. An improved double-membrane biological treatment device for chemical sewage treatment comprises a box body; the water inlet pipe is welded on the box body. Because the connecting pipe is provided with four spray holes A in a rectangular array shape, the four spray holes A are all in an inclined structure, and the four spray holes A are aligned with the four diversion holes, the impact cleaning of residues in the diversion holes can be realized in the reflux process; because the guide seat is provided with the guide holes in a rectangular array shape, the gauze is arranged at the head end of each guide hole, and the guide holes are of an inclined hole structure with 30 gradients, the residues can conveniently slide down.
Description
Technical Field
The invention belongs to the technical field of sewage treatment, and particularly relates to an improved double-membrane biological treatment device for chemical sewage treatment.
Background
Most of the current urban industrial sewage is directly discharged into a river channel, so that the environmental pollution is great, and the normal life of people is influenced.
As in application No.: CN201410715184.X, the invention discloses an integrated biofilm sewage treatment system, the intake pool communicates with reaction tank above through the perforated baffle, the reaction tank is MBBR biofilm reactor, the upper portion of the reaction tank sets up the overflow hole communicating with stir chamber, there are stirring apparatuses in the stir chamber, the bottom of stir chamber is the settling zone, the lower part of stir chamber communicates with concentrate chamber, concentrate chamber communicates with swash plate filter chamber above it, set up the polylith swash plate which stops the sewage from rising in the swash plate filter chamber, the upper portion of swash plate filter chamber sets up the overflow hole communicating with filtration clean room, there are polylith that place the filtration adsorption plate in parallel each other in the filtration clean room; a water purifying chamber communicated with the filtering and purifying chamber is arranged in front of the filtering and purifying chamber; one side of the stirring chamber is connected with the reaction tank, the other side of the stirring chamber is connected with the inclined plate filter chamber and the concentration chamber, and the inclined plate filter chamber and the concentration chamber are connected with the filtering purification chamber. The invention has compact structure, convenient operation and good working effect, and can be reused in the reaction chamber after sewage treatment.
The double-membrane biological treatment device similar to the above application has the following defects at present:
one is that the return pump of the existing device is easy to adhere residues to the filter holes after being used for a period of time and needs to be cleaned manually, but cannot be cleaned automatically when the return pump works and stops working; moreover, the reflux pump cannot simultaneously realize automatic cleaning of residues on the guide hole filter screen in the reflux process; finally, often will manually realize the intercommunication of receiving flask and box when the clearance residue, can not realize scraping off and the linkage action that the receiving flask opened.
Therefore, in view of the above, research and improvement are made for the existing structure and defects, and an improved double-membrane biological treatment device for chemical wastewater treatment is provided, so as to achieve the purpose of higher practical value.
Disclosure of Invention
In order to solve the technical problems, the invention provides an improved double-membrane biological treatment device for chemical sewage treatment, aiming at solving the problems that the existing reflux pump of the device is easy to adhere residues to the filter holes after being used for a period of time and needs to be manually cleaned, but can not automatically clean when the reflux pump works and stops working; moreover, the reflux pump cannot simultaneously realize automatic cleaning of residues on the guide hole filter screen in the reflux process; finally, often will manually realize the intercommunication of receiving flask and box when the clearance residue, can not realize scraping off and the problem of the linkage action that the receiving flask opened.
The invention relates to an improved double-membrane biological treatment device for chemical sewage treatment, which is realized by the following specific technical means:
an improved double-membrane biological treatment device for chemical sewage treatment comprises a box body; a water inlet pipe is welded on the box body, and a flow guide seat is installed in the box body; a partition plate is welded in the box body, and a water passing port is formed in the partition plate; a biological membrane carrier, a stainless steel mesh grid and a membrane assembly are arranged in the box body, and a reflux structure is also arranged on the box body; the backflow structure also comprises spray holes A, four spray holes A are arranged on the connecting pipe in a rectangular array shape, the four spray holes A are all of an inclined structure, and the four spray holes A are aligned with the four diversion holes, so that impact cleaning of residues in the diversion holes can be realized in the backflow process; the box body is provided with a cleaning structure, and the box body is also provided with a second cleaning structure; when the push rod is pushed, the cleaning block is in contact with the outer wall of the stop block, and the stop block is in an opening state under the pushing and extruding of the cleaning block, so that the push rod is pushed to clean residues and simultaneously realize the opening and closing of the stop block, and the residue falling onto the stop block can be automatically collected into the collecting bottle because the stop block is in a conical structure; and the bottom end surface of the box body is in threaded connection with a collecting bottle.
Furthermore, the flow guide seat comprises flow guide holes and clamping grooves, the flow guide seat is of a rectangular structure, the flow guide holes are arranged on the flow guide seat in a rectangular array shape, and the clamping grooves are formed in the lower position of the left end face of the flow guide seat; the gauze is installed to water conservancy diversion hole head end, and the water conservancy diversion hole is the slope cavernous structure of 30 gradients.
Further, the backflow structure comprises a backflow pump, a filtering structure and a connecting pipe; the reflux pump is connected with an iron connecting pipe, the connecting pipe is fixedly connected with the box body, and the bottom end face of the reflux pump is fixedly connected with a filtering structure through a bolt; the filtering structure comprises a seat body, filtering holes, a sliding rod, a baffle, a cylindrical rod and an elastic piece, wherein the filtering holes are formed in the bottom end surface of the seat body in an annular array shape; the sliding rod is connected to the seat body in a limiting and sliding mode, a baffle is welded to the bottom end face of the sliding rod, and an elastic piece used for resetting the baffle is sleeved on the sliding rod; the baffle bottom surface is personally submitted annular array form welding and is had the cylindricality pole, and the cylindricality pole is adjusted well with filtering the hole and is matchd to under elastic component elastic pushing cylindricality pole and filtering the hole and be the grafting encapsulated situation.
Further, when the reflux pump is started, the baffle is in an upward sliding state under the action of suction force of the reflux pump, the elastic piece is in a compression state, and the cylindrical rod is in a separation state from the filter hole.
Furthermore, the filtering structure further comprises a limiting rod, two limiting rods are symmetrically welded on the top end face of the baffle, and the top end face of each limiting rod is in contact with the bottom end face of the reflux pump when the reflux pump is started.
Further, the cleaning structure comprises a telescopic bottle A, a pipeline A and a one-way valve, the pipeline A is fixedly connected to the box body and communicated with the box body, and the tail end of the pipeline A is provided with the telescopic bottle A; the pipeline A is also provided with a one-way valve, the one-way valve is in a closed state when the telescopic bottle A is extruded, the pipeline A is in a sealed state at the moment, the one-way valve is in an open state when the telescopic bottle A elastically resets, and the pipeline A is in an open state at the moment; the cleaning structure further comprises a spray head seat and spray heads, wherein the spray head seat is welded at the tail end of the pipeline A, the spray heads are arranged on the spray head seat in a rectangular array manner and are arranged in an inclined manner at an angle of 30 degrees; when the telescopic bottle A is squeezed, the water flow sprayed by the spraying head contacts with the top end surface of the cleaning block.
Furthermore, the second cleaning structure comprises a cleaning block and a push rod, the push rod secret recipe is connected to the box body in a sliding mode, and the cleaning block is welded to the upper end of the push rod; the cleaning block head end is matched with the clamping groove, and the cleaning block head end is provided with a chamfer.
Furthermore, the collecting bottle comprises an elastic telescopic rod and a stop block, the collecting bottle is of a step-shaped structure, the bottom end face of the inner wall of the collecting bottle is welded with the elastic telescopic rod, and the top end face of the elastic telescopic rod is welded with the stop block; the dog is the toper structure, and the dog outer wall contacts with the inner wall of collecting bottle bottleneck department under the elasticity promotion of elasticity telescopic link to the collecting bottle is the shutting state this moment.
Compared with the prior art, the invention has the following beneficial effects:
the backflow structure is improved, firstly, four spray holes A are arranged on the connecting pipe in a rectangular array shape, the four spray holes A are all in an inclined structure, and the four spray holes A are aligned with the four diversion holes, so that impact cleaning of residues in the diversion holes can be realized in the backflow process; secondly, the guide seat is provided with the guide holes in a rectangular array shape, the ends of the guide holes are provided with the gauze, and the guide holes are in an inclined hole structure with inclination, so that the residues can conveniently slide down; thirdly, cylindrical rods are welded on the bottom end surface of the baffle in an annular array shape and are aligned and matched with the filtering holes, and the cylindrical rods and the filtering holes are in a splicing sealing state under the elastic pushing of the elastic piece, so that sundries in the filtering holes can be removed; fourthly, when the reflux pump is started, the baffle is in an upward sliding state under the action of suction force of the reflux pump, the elastic piece is in a compressed state, and the cylindrical rod is separated from the filtering hole, so that water pumping can be realized; fifthly, when the reflux pump is started, the top end face of the limiting rod is contacted with the bottom end face of the reflux pump, so that the blockage of a water channel caused by the contact of the baffle and the bottom end face of the reflux pump can be avoided.
Through the arrangement of the second cleaning structure, firstly, the head end of the cleaning block is matched with the clamping groove, and the head end of the cleaning block is provided with the chamfer, so that the smoothness of the cleaning block and the clamping groove during insertion sealing can be improved; secondly, when the push rod is pushed, the cleaning block is in contact with the outer wall of the stop block, and the stop block is in an opening state under the pushing and extruding of the cleaning block, so that the push rod is pushed to clean residues and simultaneously realize the opening and closing of the stop block, and the stop block is in a conical structure, so that the residues falling onto the stop block can be automatically collected into a collecting bottle; the bottom end surface of the box body is in threaded connection with a collecting bottle.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a schematic cross-sectional structure of the present invention.
Fig. 3 is an enlarged schematic view of fig. 2 at a.
Fig. 4 is an enlarged schematic view of fig. 2B according to the present invention.
Fig. 5 is a schematic view of a cross-sectional enlarged structure of the reflow structure of the present invention.
Fig. 6 is a schematic view of a cross-sectional enlarged structure of the reflow structure of the present invention in operation.
FIG. 7 is a schematic view of the present invention in FIG. 2 during cleaning of the residue.
Fig. 8 is an enlarged view of the structure of fig. 7 at C according to the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a box body; 101. a water inlet pipe; 2. a flow guide seat; 201. a flow guide hole; 202. a card slot; 3. a partition plate; 301. a water outlet; 4. a biofilm carrier; 5. a stainless steel mesh grid; 6. a membrane module; 7. a reflow structure; 701. a reflux pump; 702. a filter structure; 70201. a base body; 70202. a filtration pore; 70203. a slide bar; 70204. a baffle plate; 70205. a cylindrical rod; 70206. a limiting rod; 70207. an elastic member; 703. a connecting pipe; 704. spraying a hole A; 8. cleaning the structure; 801. a telescopic bottle A; 802. a pipeline A; 803. a one-way valve; 804. a nozzle base; 80401. a sprinkler head; 9. a second cleaning structure; 901. a cleaning block; 902. a push rod; 10. a collection bottle; 1001. an elastic telescopic rod; 1002. and a stop block.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 8:
the invention provides an improved double-membrane biological treatment device for chemical sewage treatment, which comprises a box body 1; a water inlet pipe 101 is welded on the box body 1, and a flow guide seat 2 is installed in the box body 1; a partition plate 3 is welded in the box body 1, and a water passing port 301 is formed in the partition plate 3; a biological membrane carrier 4, a stainless steel grid 5 and a membrane assembly 6 are arranged in the box body 1, and a reflux structure 7 is also arranged on the box body 1; referring to fig. 2, the backflow structure 7 further includes nozzle holes a704, four nozzle holes a704 are arranged on the connecting pipe 703 in a rectangular array, the four nozzle holes a704 are all in an inclined structure, and the four nozzle holes a704 are aligned with the four diversion holes 201, so that impact cleaning of residues in the diversion holes 201 can be achieved in the backflow process; the box body 1 is provided with a cleaning structure 8, and the box body 1 is also provided with a second cleaning structure 9; referring to fig. 8, when the push rod 902 is pushed, the cleaning block 901 contacts with the outer wall of the stopper 1002, and the stopper 1002 is pushed and pressed by the push of the cleaning block 901 to be in an open state, so that the push rod 902 is pushed to clean residues and simultaneously open and close the stopper 1002, and the residues falling onto the stopper 1002 can be automatically collected in the collection bottle 10 because the stopper 1002 is in a conical structure; the bottom end surface of the box body 1 is connected with a collecting bottle 10 through screw threads.
Referring to fig. 2, the flow guide seat 2 includes flow guide holes 201 and slots 202, the flow guide seat 2 is rectangular, the flow guide holes 201 are arranged in a rectangular array on the flow guide seat 2, and a slot 202 is arranged below the left end surface of the flow guide seat 2; the gauze is installed to water conservancy diversion hole 201 head end, and water conservancy diversion hole 201 is the slope cavernous structure of slope 30 degrees to can make things convenient for the landing of residue.
Referring to fig. 5, the backflow structure 7 includes a backflow pump 701, a filtering structure 702, and a connection pipe 703; the reflux pump 701 is connected with an iron connecting pipe 703, the connecting pipe 703 is fixedly connected with the box body 1, and the bottom end face of the reflux pump 701 is fixedly connected with a filtering structure 702 through a bolt; the filtering structure 702 comprises a seat body 70201, filtering holes 70202, a sliding rod 70203, a baffle 70204, a cylindrical rod 70205 and an elastic part 70207, wherein the filtering holes 70202 are formed in the bottom end surface of the seat body 70201 in an annular array shape; the sliding rod 70203 is connected to the seat 70201 in a limited sliding manner, a baffle 70204 is welded to the bottom end face of the sliding rod 70203, and an elastic part 70207 for resetting the baffle 70204 is sleeved on the sliding rod 70203; the bottom end surface of the baffle 70204 is welded with the cylindrical rods 70205 in an annular array shape, the cylindrical rods 70205 are aligned and matched with the filter holes 70202, and the cylindrical rods 70205 and the filter holes 70202 are in a plug-in sealing state under the elastic pushing action of the elastic piece 70207, so that sundries in the filter holes 70202 can be removed.
Referring to fig. 6, when the reflux pump 701 is started, the baffle 70204 slides upwards under the suction force of the reflux pump 701, the elastic member 70207 is compressed, and the cylindrical rod 70205 is disengaged from the filter hole 70202, so that water can be pumped.
Referring to fig. 6, the filter structure 702 further includes a limiting rod 70206, two limiting rods 70206 are symmetrically welded to the top end surface of the baffle 70204, and when the reflux pump 701 is started, the top end surface of the limiting rod 70206 contacts the bottom end surface of the reflux pump 701, so that the water path blockage caused by the contact between the baffle 70204 and the bottom end surface of the reflux pump 701 can be avoided.
Referring to fig. 2 and 3, the cleaning structure 8 includes a telescopic bottle a801, a pipe a802 and a one-way valve 803, the pipe a802 is fixedly connected to the box 1, the pipe a802 is communicated with the box 1, and the tail end of the pipe a802 is provided with the telescopic bottle a 801; the pipeline A802 is also provided with a one-way valve 803, when the telescopic bottle A801 is squeezed, the one-way valve 803 is in a closed state, the pipeline A802 is in a sealed state at the moment, when the telescopic bottle A801 elastically resets, the one-way valve 803 is in an open state, and the pipeline A802 is in an open state at the moment; the cleaning structure 8 further comprises a spray head seat 804 and spray heads 80401, the tail end of the pipeline A802 is welded with the spray head seat 804, the spray heads 80401 are arranged on the spray head seat 804 in a rectangular array, and the spray heads 80401 are arranged in a 30-degree inclined manner; when the telescopic bottle A801 is squeezed, the water flow sprayed from the spray head 80401 contacts with the top end face of the cleaning block 901, so that the residue on the top end face of the cleaning block 901 can be cleaned.
Referring to fig. 2 and 4, the second cleaning structure 9 includes a cleaning block 901 and a push rod 902, the push rod 902 is slidably connected to the box 1, and the cleaning block 901 is welded to the upper end of the push rod 902; the head end of the cleaning block 901 is matched with the clamping groove 202, and the head end of the cleaning block 901 is provided with a chamfer, so that the smoothness of the insertion and sealing of the cleaning block 901 and the clamping groove 202 can be improved.
Referring to fig. 4, the collecting bottle 10 includes an elastic telescopic rod 1001 and a stopper 1002, the collecting bottle 10 is of a stepped structure, the elastic telescopic rod 1001 is welded to the bottom end surface of the inner wall of the collecting bottle 10, and the stopper 1002 is welded to the top end surface of the elastic telescopic rod 1001; the stopper 1002 is a conical structure, and the outer wall of the stopper 1002 is in contact with the inner wall of the bottle mouth of the collecting bottle 10 under the elastic pushing of the elastic telescopic rod 1001, and the collecting bottle 10 is in a locking state at the moment.
The specific use mode and function of the embodiment are as follows:
when the cleaning device is used, when residues need to be cleaned, firstly, the head end of the cleaning block 901 is matched with the clamping groove 202, and the head end of the cleaning block 901 is provided with a chamfer, so that the smoothness of the insertion and sealing of the cleaning block 901 and the clamping groove 202 can be improved; secondly, when the push rod 902 is pushed, the cleaning block 901 is in contact with the outer wall of the stopper 1002, and the stopper 1002 is in an open state under the pushing and pressing of the cleaning block 901, so that the push rod 902 is pushed to open and close the stopper 1002 while cleaning residues, and the residues falling onto the stopper 1002 can be automatically collected into the collecting bottle 10 because the stopper 1002 is in a conical structure; the bottom end surface of the box body 1 is in threaded connection with a collecting bottle 10;
in the use process, firstly, four spray holes a704 are arranged on the connecting pipe 703 in a rectangular array shape, the four spray holes a704 are all in an inclined structure, and the four spray holes a704 are aligned with the four diversion holes 201, so that impact cleaning of residues in the diversion holes 201 can be realized in the backflow process; secondly, the guide seat 2 is provided with the guide holes 201 in a rectangular array shape, the head ends of the guide holes 201 are provided with the gauze, and the guide holes 201 are in an inclined hole-shaped structure inclined by 30 degrees, so that the residues can conveniently slide down; thirdly, the cylindrical rods 70205 are welded on the bottom end surface of the baffle 70204 in an annular array shape, the cylindrical rods 70205 are aligned and matched with the filtering holes 70202, and the cylindrical rods 70205 and the filtering holes 70202 are in an inserted and sealed state under the elastic pushing action of the elastic piece 70207, so that sundries in the filtering holes 70202 can be removed; fourthly, when the reflux pump 701 is started, the baffle 70204 is in an upward sliding state under the action of the suction force of the reflux pump 701, the elastic piece 70207 is in a compressed state, and the cylindrical rod 70205 is in a separation state from the filter hole 70202, so that water pumping can be realized; fifthly, when the reflux pump 701 is started, the top end surface of the limiting rod 70206 contacts the bottom end surface of the reflux pump 701, so that the water channel blockage caused by the contact of the baffle 70204 and the bottom end surface of the reflux pump 701 can be avoided.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (8)
1. The utility model provides a two membrane biological treatment device of modified form for chemical industry sewage treatment which characterized in that: comprises a box body (1); a water inlet pipe (101) is welded on the box body (1), and a flow guide seat (2) is installed in the box body (1); a partition plate (3) is welded in the box body (1), and a water passing port (301) is formed in the partition plate (3); a biological membrane carrier (4), a stainless steel grid (5) and a membrane assembly (6) are arranged in the box body (1), and a backflow structure (7) is also arranged on the box body (1); the backflow structure (7) further comprises spray holes A (704), four spray holes A (704) are arranged on the connecting pipe (703) in a rectangular array shape, the four spray holes A (704) are all in an inclined structure, and the four spray holes A (704) are aligned with the four flow guide holes (201); the box body (1) is provided with a cleaning structure (8), and the box body (1) is also provided with a second cleaning structure (9); when the push rod (902) is pushed, the cleaning block (901) is in contact with the outer wall of the stop block (1002), and the stop block (1002) is in an open state under the pushing and squeezing of the cleaning block (901); the bottom end surface of the box body (1) is in threaded connection with a collecting bottle (10).
2. The improved double-membrane biological treatment device for chemical wastewater treatment as set forth in claim 1, wherein: the flow guide seat (2) comprises flow guide holes (201) and clamping grooves (202), the flow guide seat (2) is of a rectangular structure, the flow guide holes (201) are arranged on the flow guide seat (2) in a rectangular array shape, and the clamping grooves (202) are formed in the lower position of the left end face of the flow guide seat (2); the gauze is installed to water conservancy diversion hole (201) head end, and water conservancy diversion hole (201) is the slope cavernous structure of slope 30 degrees.
3. The improved double-membrane biological treatment device for chemical wastewater treatment as set forth in claim 1, wherein: the backflow structure (7) comprises a backflow pump (701), a filtering structure (702) and a connecting pipe (703); the reflux pump (701) is connected with an iron connecting pipe (703), the connecting pipe (703) is fixedly connected with the box body (1), and the bottom end face of the reflux pump (701) is fixedly connected with a filtering structure (702) through a bolt; the filtering structure (702) comprises a seat body (70201), filtering holes (70202), a sliding rod (70203), a baffle plate (70204), a cylindrical rod (70205) and an elastic piece (70207), wherein the filtering holes (70202) are formed in the bottom end surface of the seat body (70201) in an annular array; the sliding rod (70203) is connected to the seat body (70201) in a limiting sliding mode, a baffle (70204) is welded to the bottom end face of the sliding rod (70203), and an elastic piece (70207) used for resetting the baffle (70204) is sleeved on the sliding rod (70203); the bottom surface of the baffle (70204) is welded with cylindrical rods (70205) in an annular array shape, the cylindrical rods (70205) are aligned and matched with the filtering holes (70202), and the cylindrical rods (70205) and the filtering holes (70202) are in an inserted and sealed state under the elastic pushing of the elastic pieces (70207).
4. The improved double-membrane biological treatment device for chemical wastewater treatment as set forth in claim 3, wherein: when the reflux pump (701) is started, the baffle plate (70204) is in an upward sliding state under the action of suction force of the reflux pump (701), the elastic piece (70207) is in a compressed state, and the cylindrical rod (70205) is in a separation state from the filtering hole (70202).
5. The improved double-membrane biological treatment device for chemical wastewater treatment as set forth in claim 3, wherein: the filter structure (702) further comprises a limiting rod (70206), two limiting rods (70206) are symmetrically welded on the top end face of the baffle (70204), and the top end face of the limiting rod (70206) is in contact with the bottom end face of the reflux pump (701) when the reflux pump (701) is started.
6. The improved double-membrane biological treatment device for chemical wastewater treatment as set forth in claim 1, wherein: the cleaning structure (8) comprises a telescopic bottle A (801), a pipeline A (802) and a one-way valve (803), the pipeline A (802) is fixedly connected to the box body (1), the pipeline A (802) is communicated with the box body (1), and the tail end of the pipeline A (802) is provided with the telescopic bottle A (801); the pipeline A (802) is also provided with a one-way valve (803), the one-way valve (803) is in a closed state when the telescopic bottle A (801) is squeezed, the pipeline A (802) is in a sealed state at the moment, the one-way valve (803) is in an open state when the telescopic bottle A (801) elastically resets, and the pipeline A (802) is in an open state at the moment; the cleaning structure (8) further comprises a spray head seat (804) and spray heads (80401), the spray head seat (804) is welded at the tail end of the pipeline A (802), the spray heads (80401) are arranged on the spray head seat (804) in a rectangular array mode, and the spray heads (80401) are arranged in a 30-degree inclined mode; when the telescopic bottle A (801) is squeezed, the water flow sprayed by the spray head (80401) contacts with the top end surface of the cleaning block (901).
7. The improved double-membrane biological treatment device for chemical wastewater treatment as set forth in claim 1, wherein: the second cleaning structure (9) comprises a cleaning block (901) and a push rod (902), the secret recipe of the push rod (902) is connected to the box body (1) in a sliding mode, and the cleaning block (901) is welded to the upper end of the push rod (902); the head end of the cleaning block (901) is matched with the clamping groove (202), and the head end of the cleaning block (901) is provided with a chamfer.
8. The improved double-membrane biological treatment device for chemical wastewater treatment as set forth in claim 1, wherein: the collecting bottle (10) comprises an elastic telescopic rod (1001) and a stop block (1002), the collecting bottle (10) is of a stepped structure, the elastic telescopic rod (1001) is welded on the bottom end face of the inner wall of the collecting bottle (10), and the stop block (1002) is welded on the top end face of the elastic telescopic rod (1001); the stopper (1002) is of a conical structure, the outer wall of the stopper (1002) is in contact with the inner wall of the bottle mouth of the collecting bottle (10) under the elastic pushing of the elastic telescopic rod (1001), and the collecting bottle (10) is in a locking state at the moment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010434626.9A CN111646569A (en) | 2020-05-21 | 2020-05-21 | Improved double-membrane biological treatment device for chemical sewage treatment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010434626.9A CN111646569A (en) | 2020-05-21 | 2020-05-21 | Improved double-membrane biological treatment device for chemical sewage treatment |
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| CN111646569A true CN111646569A (en) | 2020-09-11 |
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| CN202010434626.9A Withdrawn CN111646569A (en) | 2020-05-21 | 2020-05-21 | Improved double-membrane biological treatment device for chemical sewage treatment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN120021577A (en) * | 2025-04-24 | 2025-05-23 | 山东海洋现代渔业有限公司 | Windmill type ocean ranch cage |
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Application publication date: 20200911 |