CN106861273A - A kind of integrated sewage treating apparatus of secondary filter - Google Patents

A kind of integrated sewage treating apparatus of secondary filter Download PDF

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Publication number
CN106861273A
CN106861273A CN201710240198.4A CN201710240198A CN106861273A CN 106861273 A CN106861273 A CN 106861273A CN 201710240198 A CN201710240198 A CN 201710240198A CN 106861273 A CN106861273 A CN 106861273A
Authority
CN
China
Prior art keywords
rotary drum
filter
sewage treating
integrated sewage
layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710240198.4A
Other languages
Chinese (zh)
Inventor
王盛木
陈林
辜子恒
廖世彦
罗皓
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Haote Industrial Group Co Ltd
Original Assignee
Sichuan Haote Industrial Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sichuan Haote Industrial Group Co Ltd filed Critical Sichuan Haote Industrial Group Co Ltd
Priority to CN201710240198.4A priority Critical patent/CN106861273A/en
Publication of CN106861273A publication Critical patent/CN106861273A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D33/00Filters with filtering elements which move during the filtering operation
    • B01D33/06Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
    • B01D33/073Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D33/00Filters with filtering elements which move during the filtering operation
    • B01D33/44Regenerating the filter material in the filter
    • B01D33/48Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B01D33/50Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles

Abstract

The invention discloses a kind of integrated sewage treating apparatus of secondary filter, it is characterised in that:Including rotary drum, the drive device for being connected on rotary drum and driving rotary drum to rotate, and it is connected to the drainage arrangement on rotary drum.The present invention is not only simple in structure, and cost is relatively low, rotary drum is driven to rotate by drive device, and then cause rotary drum filter sewage, and the water discharge after rotary drum is filtered by drainage arrangement, to ensure that the water quality after treatment reaches pollution emission standard, and the land area of integrated pond second pond can be reduced, therefore be adapted to promote the use of.

Description

A kind of integrated sewage treating apparatus of secondary filter
Technical field
The present invention relates to a kind of sewage-treatment plant, more particularly to a kind of integrated sewage treating apparatus of secondary filter.
Background technology
Due to the scale effect of big-and-middle-sized sewage treatment plant, maximization is always for a long time the development side of sewage disposal To.In recent years, because the investment of big-and-middle-sized sewage treatment plant is big, take up an area big, it is necessary to huge sewage collecting pipe network of auxiliary construction etc. Shortcoming, middle-size and small-size sewage treatment process starts to turn into the main development direction of sewage treatment process.The treatment of sewage is from collection Middleization moves towards decentralized, from extensive centralization to the distributed transformation of middle and small scale." based on large-scale, middle-size and small-size complementation " Layout tallies with the national condition and development situation, and the also application of integrated sewage disposal device and development provides new opportunity.
Integrated sewage treating apparatus are tackling sanitary sewage work from the handling process means of international scope modernization There is good effect in work, the overall degree of Sewage Pollution natural environment can be comprehensively controlled.Furthermore, integral process skill Art means can play obvious effect in environmental protection and energy-saving and water-saving work.Therefore, introducing integrated sewage disposal work Skill and device, can not only found obvious social benefit, while can also win economic benefit and environmental benefit, and advance the modern times Harmonious, the civilized and sustainable development of society.Integrated equipment for wastewater treatment flow is compact, advanced technology, with treatment effeciency it is high, Floor space is small, convenient management the features such as, processed particularly suitable for small-sized sanitary sewage disposal and similar water quality organic sewage.
At present, integrated sewage treating apparatus are widely used in sewage-treatment plant, but treatment effect is not fully up to expectations, Mainly second pond treatment effect is bad, and it is more to go out aqueous suspension, causes water outlet not up to standard.And the sedimentation effect of second pond is very big Depending on the property (settling property, sludge activity) of sludge in degree, this needs the professional to carry out well-controlled just making dirt Mud is in good condition, and rural area, small towns, scenic spot etc. often lack professional and manage using the sewage-treatment plant in region, cause Effluent quality does not reach standard after treatment.If being further added by processing the processing equipment of suspension after integrated apparatus, it will plus The investment of big sewage treatment plant, increases the operating cost and construction land of sewage treatment plant.
The content of the invention
It is an object of the invention to provide a kind of integrated sewage treating apparatus of secondary filter, in order to operational management, Also ensure that the water quality after treatment reaches pollution emission standard simultaneously, and the land area of integrated pond second pond can be reduced.
The purpose of the present invention is achieved through the following technical solutions:
A kind of integrated sewage treating apparatus of secondary filter, including rotary drum, are connected on rotary drum and drive rotary drum to rotate Drive device, and be connected to the drainage arrangement on rotary drum.
Further, the rotary drum includes being rolled into columnar rotary drum main body, closed circular tubular rotary drum main body left end face Left side baffle plate, and closed circular tubular rotary drum main body its right end face right-hand apron;The drive device is connected to right side gear On plate, the drainage arrangement is connected on the baffle plate of left side.
Further, the cylindrical structure inner side that the rotary drum main body is rolled into is provided with multiple connecting bolts, the left side gear Plate is connected to the left and right two ends of connecting bolt with right-hand apron;Fixed left side baffle plate and the right side are additionally provided with the connecting bolt The attaching nut of side shield.
Further, the rotary drum main body includes supporting layer and fastened layer, and be arranged on supporting layer and fastened layer it Between refined filtration film;Flowing hole on the supporting layer is identical with the excessively stream pore structure on fastened layer and overlaps.
Wherein, the supporting layer is stainless steel plate with fastened layer, and the supporting layer is integral barrel structure, the fastening The two ends of layer are locked at the outside of supporting layer by locking mechanism, and the refined filtration film is close between supporting layer and fastened layer.
For the ease of driving rotary drum to rotate, and then refined filtration can be carried out, the drive device includes motor, one end passes through shaft coupling The drive shaft that device is connected with the rotating shaft of motor, the other end is connected with right-hand apron.
For the ease of the water discharge after rotary drum is filtered, the drainage arrangement includes being connected on the baffle plate of left side and and rotary drum The filter water delivery line that the cylinder that main body is rolled into is connected, the outlet pipe being connected with filter water delivery line by sealed bearings is connect Head, and the filter water outlet pipe being connected with titting water outlet by flange.
The dirt on the outside of rotary drum main body is attached to during for the ease of washing and filtering, the drainage arrangement is provided with backwash dress Put, the back purge system includes high-pressure pump, is connected to the backwash aqueduct between high-pressure pump and filter water outlet pipe, one end It is connected with high-pressure pump, the other end passes through titting water outlet and the backwash water inlet pipe being extended to the in drainage delivery line, and The sparge pipe for being connected on backwash water inlet pipe and being located on the inside of rotary drum main body;The sparge pipe is provided with multiple shower nozzles.
In order to the present invention is better achieved, the drive shaft is provided with driving shaft bearing seat, on the filter water delivery line It is provided with filter water delivery line bearing block.
In order to ensure effect, the motor is provided with the support motor with driving shaft bearing seat and filter water delivery line axle The support frame of bearing.
The present invention compared with the prior art, with advantages below and beneficial effect:
(1) present invention is not only simple in structure, and cost is relatively low, drives rotary drum to rotate by drive device, and then cause Rotary drum filter sewage, and the water discharge after rotary drum is filtered by drainage arrangement, to ensure that the water quality after treatment reaches blowdown mark Standard, and the land area of integrated pond second pond can be reduced.
(2) rotary drum of the invention includes being rolled into columnar rotary drum main body, closed circular tubular rotary drum main body left end face Left side baffle plate, and closed circular tubular rotary drum main body its right end face right-hand apron, can by rotary drum main body and left side baffle plate with And right-hand apron forms an enclosed construction in rotary drum body interior, you can after making filtering under the filtration of rotary drum main body Water enters rotary drum body interior, so as to the water after filtering and sewage be separated.
(3) the cylindrical structure inner side that rotary drum main body of the invention is rolled into is provided with multiple connecting bolts, left side baffle plate and right side Baffle plate is then connected to the left and right two ends of connecting bolt, can be then fixed on left side baffle plate and right-hand apron by attaching nut The left and right sides of rotary drum main body, so as to can be easy to dismount rotary drum.
(4) rotary drum main body of the invention includes supporting layer and fastened layer, and is arranged between supporting layer and fastened layer Refined filtration film, and flowing hole on supporting layer is identical with the excessively stream pore structure on fastened layer and overlaps, you can in making sewage Dirt is intercepted and cannot be introduced into inside the cylindrical structure in rotary drum main body by the flowing hole on fastened layer and refined filtration film, and water then may be used Inside the cylindrical structure entered in rotary drum main body through refined filtration film and by the flowing hole on supporting layer, so as to complete to sewage Secondary filter.
(5) supporting layer of the invention is stainless steel plate with fastened layer, and the supporting layer is integral barrel structure, described tight Gu the two ends of layer are locked at the outside of supporting layer by locking mechanism, the refined filtration film is close between supporting layer and fastened layer, So as to can ensure that supporting layer and fastened layer and refined filtration film form a whole rotary drum, to ensure the effect of secondary filter.
(6) inventive drive means include motor and the drive shaft being connected with right-hand apron, and motor can be facilitated to pass through Drive shaft drives and rotates, you can so that whole rotary drum is rotated, and then may filter that sewage.
(7) drainage arrangement of the invention includes filter water delivery line and filter water outlet pipe, and filter water delivery line is connected to The cylinder being rolled on the baffle plate of left side and with rotary drum main body is connected, and the water after can rotary drum body interior be filtered is derived, filter water Outlet pipe can then discharge the water after filtering.
(8) drainage arrangement of the invention is provided with back purge system, can be rinsed out by back purge system and be attached to rotary drum The dirt for filtering out in main body, to prevent dirt from blocking the flowing hole in rotary drum main body.
(9) drive shaft of the invention is provided with driving shaft bearing seat, can conveniently support drive shaft;While filter water delivery line The filter water delivery line bearing block being provided with then can conveniently support filter water delivery line.
(10) support frame of the invention can be engaged with corresponding use environment, in order to install and support motor and driving Bearing housing and drainage delivery line bearing block.
Brief description of the drawings
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is left view of the invention.
Fig. 3 is the B-B direction sectional view of Fig. 1.
Fig. 4 is the internal structure schematic diagram of rotary drum of the invention.
Fig. 5 is the tangential schematic diagram of rotary drum of the invention.
Wherein, description of reference numerals is:
1-high-pressure pump, 2-backwash water inlet pipe, 3-backwash aqueduct, 4-titting water outlet, 5-sealed bearings, 6-coupling nut, 7-left side baffle plate, 8-filter water delivery line, 9-filter water delivery line bearing block, 10-rotary drum main body, 10-1-supporting layer, 10-2-refined filtration film, 10-3-fastened layer, 11-flowing hole, 12-right-hand apron, 13-drive shaft, 14-driving shaft bearing seat, 15-shaft coupling, 16-motor, 17-support frame, 18-locking nut, 19-clamping screw, 20-filter water outlet pipe, 21-flange, 22-connecting bolt, 23-sparge pipe, 24-shower nozzle.
Specific embodiment
The present invention is described in further detail with reference to embodiment, but embodiments of the present invention are not limited to This.
Embodiment
As shown in Fig. 1~5, the integrated sewage treating apparatus of secondary filter of the invention, including rotary drum and drive device And drainage arrangement.The drive device is connected on rotary drum, for driving rotary drum to rotate, and then enables that rotary drum filters dirt Water.The drainage arrangement is also connected on rotary drum, the water discharge after can rotary drum be filtered.
Specifically, the rotary drum includes rotary drum main body 10 and left side baffle plate 7 and right-hand apron 12, the rotary drum main body 10 Cylindrical shape is rolled into, the cylindrical drum main body 10 is horizontally disposed with, i.e. the left and right sides of the rotary drum main body 10 and rotary drum main body 10 Cylindrical inner insertion.The left side baffle plate 7 is arranged on the left side of rotary drum main body 10 and can closed circular tubular rotary drum main body 10 Left end face, right-hand apron 12 is arranged on its right end face of the right side of rotary drum main body 10 and energy closed circular tubular rotary drum main body 10, As shown in Figure 1.Cylindrical structure that the rotary drum main body 10 is rolled into inner side is provided with multiple connecting bolts 22, the left side baffle plate 7 with Right-hand apron 12 is connected to the left and right two ends of connecting bolt 22.
Rotary drum main body 10 of the invention includes supporting layer 10-1 and fastened layer 10-3, and be arranged on supporting layer 10-1 with it is tight Gu the refined filtration film 10-2 between layer 10-3, as shown in Figure 5.On flowing hole 11 and fastened layer 10-3 on the supporting layer 10-1 The structure of flowing hole 11 is identical and overlaps, you can make the dirt in sewage by the flowing hole 11 and refined filtration film on fastened layer 10-3 10-2 is intercepted and cannot be introduced into inside the cylindrical structure in rotary drum main body 10, and water then may pass through refined filtration film 10-2 and by support Inside the cylindrical structure that flowing hole 11 on layer 10-1 enters in rotary drum main body 10, so as to complete the secondary filter to sewage.This The flowing hole 11 of invention is regular hexagon structure, and the pitch-row each other of adjacent flowing hole 11 is not more than 1mm.
Supporting layer 10-1 of the invention and fastened layer 10-3 uses stainless steel plate, and the supporting layer 10-1 is overall Cylindrical structure, the two ends of the fastened layer 10-3 are locked at the outside of supporting layer 10-1, the refined filtration film 10- by locking mechanism 2 are close between supporting layer 10-1 and fastened layer 10-3.During implementation, supporting layer 10-1 first can be made integral barrel structure, and All connecting bolts 22 are connected on left side baffle plate 7 or right-hand apron 12, using attaching nut 6 by connecting bolt 22 and left side Baffle plate 7 or right-hand apron 12 are locked, and supporting layer 10-1 then is passed through into all connections by the opposite side of connecting bolt 22 The rear enclosure of bolt 22 is on the outside of the loop configuration that all connecting bolts 22 are formed, you can all connecting bolts 22 are enclosed within into supporting layer The cylinder inner side of 10-1, then another baffle plate is connected to the other end of connecting bolt 22, and is fixed using attaching nut 6, Both inner side filter layer 10-1 can be fixed between left side baffle plate 7 and right-hand apron 12;Also can first by all left side baffle plates 7 with Right-hand apron 12 is connected to the two ends of connecting bolt 22, and installs all connecting bolts 22, connecting bolt 22 is formed one Individual loop configuration, is then looped around supporting layer 10-1 connecting bolt 22 and forms loop configuration outside and be close to connecting bolt On 22, then the circular edge of supporting layer 10-1 is welded and fixed, so that supporting layer 10-1 forms an integral barrel structure, then Attaching nut 6 is fastened on left side baffle plate 7 and right-hand apron 12, you can supporting layer 10-1 is fixed on left side baffle plate 7 with the right side Between side shield 12.
Then, outside filter layer 10-3 is fastened on the outside of supporting layer 10-1, you can refined filtration film 10-2 is fixed on branch Between support layer 10-1 and outside filter layer 10-3.The outside filter layer 10-3 can be solid by clamping screw 19 and locking nut 18 It is fixed, so that supporting layer 10-1 and outside filter layer 10-3 and refined filtration film 10-2 forms an overall rotary drum main body 10, and make Rotary drum main body 10 forms an overall drum structure with left side baffle plate 7 and right-hand apron 12.
The drive device includes motor 16 and drive shaft 13, and one end of the drive shaft 13 passes through shaft coupling 15 and motor 16 rotating shaft is connected, and its other end is fixedly connected with right-hand apron 12.Motor of the invention 16 uses waterproof deceleration electricity Machine, the shaft coupling 15 uses elastomer block shaft coupling.Start motor 16, the rotating shaft of motor 16 can pass through the band of shaft coupling 15 Dynamic drive shaft 13 is rotated, so as to drive right-hand apron 12 to rotate, you can so that whole rotary drum is rotated, and then may filter that sewage.This The motor 16 of invention is provided with support frame 17, and the support frame 17 is arranged on the bottom surface of motor 16, for supporting motor 16.Implement When, support frame 17 may be provided in the environment for installing sewage-treatment plant of the invention and support frame 17 is used ring with corresponding Border is engaged, and motor 16 is arranged on support frame 17.In order to the present invention is better achieved, also set in the drive shaft 13 There is driving shaft bearing seat 14, driving shaft bearing seat 14 is arranged on support frame 17, as shown in Figure 1.
The drainage arrangement includes filter water delivery line 8 and filter water outlet pipe 20, and the filter water delivery line 8 is used for will Water after the self-filtering of rotary drum main body 10 is derived.One end of the filter water delivery line 8 is fixedly connected and and rotary drum with left side baffle plate 7 The cylinder that main body 10 is rolled into is connected, and its other end is then connected by titting water outlet 4 with filter water outlet pipe 20, filter water Then can be discharged to the water after filtering in cistern 25 by outlet pipe 20.Wherein, one end of the titting water outlet 4 passes through seal shaft Hold 5 to be connected with filter water delivery line 8, filter water delivery line 8 will follow rotary drum to rotate, titting water outlet 4 then can be with filter water The state that the remains stationary of outlet pipe 20 is not rotated.The other end of the titting water outlet 4 is then by flange 21 and filter water outlet pipe 20 are connected, as shown in Figure 2.In order to the present invention is better achieved, filter water delivery line is additionally provided with the filter water delivery line 8 Bearing block 9, the filter water delivery line bearing block 9 is also mounted on support frame 17, as shown in Figure 1.For the ease of making support frame 17 It is engaged with corresponding use environment, support frame 17 can be arranged on the pool wall of cistern 25, as shown in Figure 2.
For the ease of rinsing the dirt filtered out in rotary drum main body 10, dirt is prevented to be attached in rotary drum main body 10 and influence Flowing hole 11 is blocked, back purge system is additionally provided with the drainage arrangement.Specifically, the back purge system includes high-pressure pump 1, be connected on the high-pressure pump 1 backwash aqueduct 3 with backwash water inlet pipe 2, it is described backwash aqueduct 3 also with filtering Water outlet pipe 20 is connected.One end of the backwash water inlet pipe 2 is connected with high-pressure pump 1, and its other end connects through outlet pipe First 4 and it is extended to the in drainage delivery line 8, is also associated with being located at the water spray of the inner side of rotary drum main body 10 on the backwash water inlet pipe 2 Pipe 23, as shown in Figure 4.In the presence of high-pressure pump 1, the water in filter water outlet pipe 20 can be taken out by backwashing aqueduct 3 Go out, and direct water into sparge pipe 23 by backwashing water inlet pipe 2, the sparge pipe 23 is provided with multiple shower nozzles 24, such as Fig. 3 or Shown in 4, the shower nozzle 24 is distributed in the cylindrical structure inside of rotary drum main body 10 and can be sprayed water towards rotary drum main body 10, so that can will be attached The wash dirt in rotary drum main body 10 falls.
As described above, just can well implement the present invention.

Claims (10)

1. a kind of integrated sewage treating apparatus of secondary filter, it is characterised in that:Including rotary drum, it is connected on rotary drum and drives The drive device that rotary drum is rotated, and it is connected to the drainage arrangement on rotary drum.
2. integrated sewage treating apparatus of a kind of secondary filter according to claim 1, it is characterised in that:The rotary drum Including being rolled into columnar rotary drum main body (10), the left side baffle plate (7) of closed circular tubular rotary drum main body (10) left end face, and The right-hand apron (12) of closed circular tubular rotary drum main body (10) its right end face;The drive device is connected to right-hand apron (12) On, the drainage arrangement is connected on left side baffle plate (7).
3. integrated sewage treating apparatus of a kind of secondary filter according to claim 2, it is characterised in that:The rotary drum The cylindrical structure inner side that main body (10) is rolled into is provided with multiple connecting bolts (22), the left side baffle plate (7) and right-hand apron (12) It is connected to the left and right two ends of connecting bolt (22);Fixed left side baffle plate (7) and the right side are additionally provided with the connecting bolt (22) The attaching nut (6) of side shield (12).
4. integrated sewage treating apparatus of a kind of secondary filter according to claim 3, it is characterised in that:The rotary drum Main body (10) includes supporting layer (10-1) and fastened layer (10-3), and be arranged on supporting layer (10-1) and fastened layer (10-3) it Between refined filtration film (10-2);Flowing hole (11) on the supporting layer (10-1) is tied with the flowing hole (11) on fastened layer (10-3) Structure is identical and overlaps.
5. integrated sewage treating apparatus of a kind of secondary filter according to claim 4, it is characterised in that:The support Layer (10-1) is stainless steel plate with fastened layer (10-3), and the supporting layer (10-1) is integral barrel structure, the fastened layer The two ends of (10-3) are locked at the outside of supporting layer (10-1) by locking mechanism, and the refined filtration film (10-2) is close to supporting layer Between (10-1) and fastened layer (10-3).
6. a kind of integrated sewage treating apparatus of the secondary filter according to any one of claim 2~5, its feature exists In:The drive device include motor (16), one end is connected by shaft coupling (15) with the rotating shaft of motor (16), the other end and The drive shaft (13) that right-hand apron (12) is connected.
7. integrated sewage treating apparatus of a kind of secondary filter according to claim 6, it is characterised in that:The draining Device includes being connected to the filter water delivery line (8) that the cylinder being rolled on left side baffle plate (7) and with rotary drum main body (10) is connected, The titting water outlet (4) being connected with filter water delivery line (8) by sealed bearings (5), and by flange (21) and water outlet The filter water outlet pipe (20) that pipe joint (4) is connected.
8. integrated sewage treating apparatus of a kind of secondary filter according to claim 7, it is characterised in that:The draining Device is provided with back purge system, and the back purge system includes high-pressure pump (1), is connected to high-pressure pump (1) and filter water water outlet Backwash aqueduct (3) between pipe (20), one end is connected with high-pressure pump (1), the other end is through titting water outlet (4) and prolongs The backwash water inlet pipe (2) in filter water delivery line (8) is extended, and is connected in backwash water inlet pipe (2) and positioned at rotary drum Sparge pipe (23) on the inside of main body (10);The sparge pipe (23) is provided with multiple shower nozzles (24).
9. integrated sewage treating apparatus of a kind of secondary filter according to claim 7 or 8, it is characterised in that:It is described Drive shaft (13) is provided with driving shaft bearing seat (14), and the filter water delivery line (8) is provided with filter water delivery line bearing block (9)。
10. integrated sewage treating apparatus of a kind of secondary filter according to claim 9, it is characterised in that:The electricity Machine (16) is provided with and supports the motor (16) with driving shaft bearing seat (14) and the support frame of filter water delivery line bearing block (9) (17)。
CN201710240198.4A 2017-04-13 2017-04-13 A kind of integrated sewage treating apparatus of secondary filter Pending CN106861273A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710240198.4A CN106861273A (en) 2017-04-13 2017-04-13 A kind of integrated sewage treating apparatus of secondary filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710240198.4A CN106861273A (en) 2017-04-13 2017-04-13 A kind of integrated sewage treating apparatus of secondary filter

Publications (1)

Publication Number Publication Date
CN106861273A true CN106861273A (en) 2017-06-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710240198.4A Pending CN106861273A (en) 2017-04-13 2017-04-13 A kind of integrated sewage treating apparatus of secondary filter

Country Status (1)

Country Link
CN (1) CN106861273A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108623091A (en) * 2018-04-23 2018-10-09 嘉兴市锦福缩染有限公司 A kind of dyeing textile sewage disposal system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108623091A (en) * 2018-04-23 2018-10-09 嘉兴市锦福缩染有限公司 A kind of dyeing textile sewage disposal system

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