CN110125130A - A kind of slidingtype deodorization cover - Google Patents
A kind of slidingtype deodorization cover Download PDFInfo
- Publication number
- CN110125130A CN110125130A CN201910419782.5A CN201910419782A CN110125130A CN 110125130 A CN110125130 A CN 110125130A CN 201910419782 A CN201910419782 A CN 201910419782A CN 110125130 A CN110125130 A CN 110125130A
- Authority
- CN
- China
- Prior art keywords
- cesspool
- removable cover
- stainless steel
- cover
- slidingtype
- 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
Links
- 238000004332 deodorization Methods 0.000 title claims abstract description 27
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 48
- 239000010935 stainless steel Substances 0.000 claims abstract description 48
- 238000007789 sealing Methods 0.000 claims abstract description 35
- 239000004677 Nylon Substances 0.000 claims abstract description 13
- 229920001778 nylon Polymers 0.000 claims abstract description 13
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 21
- 239000010959 steel Substances 0.000 claims description 21
- 230000007246 mechanism Effects 0.000 claims description 7
- 239000010865 sewage Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
Landscapes
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of slidingtype deodorization covers, deodorization cover includes across the cross section of cesspool be the fixation cover board of arcuate in shape and above fixed cover board and across the cross section of cesspool be arcuate in shape removable cover, the left and right side of fixed cover board is all equipped with fixing piece, and left and right side fixing piece connects the left and right side of cesspool；Expose the two sides outer of fixed cover board in the two sides outer of removable cover, the two sides outer of removable cover is all equipped with sliding equipment, sliding equipment mainly includes vertical nylon roller and lateral stainless steel bearing, and sliding equipment enables to removable cover to slidably reciprocate on the outer of cesspool；Sealing soft rubber is equipped between removable cover and the outer of cesspool, sealing soft rubber enables to the periphery of removable cover and the peripheral sealing of cesspool.Removable cover of the present invention is steady reliable in sliding process, sideslip, shaking amplitude be not small, stability is stronger, and it is good that cesspool is isolated from the outside effect, prevents smell toward outward leakage, safety is secure.
Description
Technical field
The present invention relates to cesspool deodorization device field, in particular to a kind of slidingtype deodorization cover.
Background technique
Existing sewage treatment plant often builds primary sedimentation cesspool and secondary precipitation cesspool, and the diameter of cesspool all exists
More than ten meters or even five or six ten meters, the mud scraper of rotation is set, when mud scraper works, cesspool can generate a large amount of smelly in cesspool
Gas, in order to which distributing and discharging for foul gas is effectively reduced, it should be carried out in minimum zone to odor pollution source in sewage plant
Closing and directly collection.Cover board is set up on cesspool, is the important composition portion of foul smell closing and collection in deodoration system engineering
Point.
The cover plate for sewage pool being often used at present is the plate of monolith, is generally made of armored concrete or steel plate, however,
Armoured concrete slab and steel plate are not easy to construction and maintenance due to heaviness, and the span that can be used for is limited.Cover plate for sewage pool can not
Accomplish to seal with cesspool when lid closes, when opening reliably can easily be slided, and a large amount of man power and material is wasted.
The file that the number of applying for a patent is 201620330594.7 discloses a kind of " cesspool deodorization cover ", uses no metal
The high strength glass steel cage of skeletal support, the cross section of the high strength glass steel cage are a large-span arch shape, indulge and cut
Face is several continuous small span arcuate in shape, to form a two-way domes；The transverse direction of the high strength glass steel cage
Both ends extend outward to form pond body connecting flange, be fixedly connected with pond body, therefore the deodorization cover of the patent is fixed or not
Movably, flexibility is excessively poor, is not easy to the cleaning and maintenance of cesspool.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of slidingtype deodorization covers, living after the deodorization cover
Dynamic cover board is steadily reliable in sliding process, sideslip, shaking amplitude be not small, stability is stronger, and cesspool is isolated from the outside effect
It is good, prevent smell toward outward leakage, safety is secure.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
A kind of slidingtype deodorization cover, the deodorization cover include the fixation cover board and position across the cross section of cesspool for arcuate in shape
It is the removable cover of arcuate in shape above the fixed cover board and across the cross section of the cesspool, the fixed cover board
Left and right side is all equipped with fixing piece, the left and right side of the fixing piece connection cesspool of the left and right side；The removable cover
The two sides outer of the fixed cover board is exposed in two sides outer, and the two sides outer of the removable cover is all equipped with sliding equipment, described
Sliding equipment enables to the removable cover to slidably reciprocate on the outer of the cesspool；The removable cover and the dirt
Sealing soft rubber is equipped between the outer in pond, the sealing soft rubber enables to periphery and the institute of the removable cover
State the peripheral sealing of cesspool.
In order to solve its technical problem, used further technical solution is the present invention:
Further to say, the two sides outer of the cesspool is all equipped with rail mechanism, and the rail mechanism is L shape double-rail track,
The upper end of the L shape double-rail track is equipped with the flanging towards the removable cover side, and the flanging and the sealing are soft
Rubber is inconsistent, and the lower end of the L shape double-rail track is solid with the outer bolt of the outer of the fixed cover board, cesspool respectively
Fixed connection；The upper surface of the lower end of the L shape double-rail track is equipped with stainless steel plate, and the upper surface of the stainless steel plate is set
There is the stainless steel guide rail of strip projected parts.
It further says, the sliding equipment includes vertically arranged U-shaped girder steel, the branch below the U-shaped girder steel
Support seat, both ends are fixed on the roll shaft of two sides in the support base, the socket roll shaft and vertically arranged nylon roller, laterally set
The stainless steel leg set, both ends are fixed on the shaft of two sides and the socket shaft in the stainless steel leg and are laterally arranged
Stainless steel bearing, the stainless steel leg are fastened transversely on the lateral surface of the U-shaped girder steel.
It further says, the vertically arranged nylon roller is concave idler wheel, the stainless steel shaft being laterally arranged
It holds as plane formula idler wheel, the stainless steel guide rail conflict of the lower end protrusion of the concave idler wheel and the L shape double-rail track,
The inner surface of the upper end of the wheel face of the plane formula idler wheel and the L shape double-rail track contradicts.
It further says, the outer upper surface of the removable cover is fixed in one end of the sealing soft rubber, described
It seals the other end outwardly convex of soft rubber and is matched with the flanging of the upper end of the L shape double-rail track.
It further says, the sealing soft rubber is equipped with a press strip, institute close to one end upper surface of the removable cover
It states press strip and the sealing soft rubber is fixed on the outer of the cesspool by rivet.
It further says, the press strip is stainless-steel sheet.
It further says, the stainless steel guide rail is square steel guide rail.
It further says, the cross-sectional direction total span of the removable cover is 5-25 meters.
The beneficial effects of the present invention are:
One, the two sides outer of the removable cover of deodorization cover of the invention is all equipped with sliding equipment, and sliding equipment is by vertically arranged U
Shape girder steel, the support base below U-shaped girder steel, both ends are fixed on the roll shaft of two sides in support base, socket roll shaft and are vertically set
The shaft of two sides and socket shaft in stainless steel leg are fixed in the nylon roller set, the stainless steel leg being laterally arranged, both ends
And be laterally arranged stainless steel bearing composition, enable to removable cover to slidably reciprocate on the outer of cesspool, it is lateral not
Rust steel shaft is held and can be slided along the upper end of L shape double-rail track, and the nylon roller of vertical concave can be along L shape double-rail track
Stainless steel guide rail is not only able to achieve and removable cover is enabled to slidably reciprocate on the outer of cesspool, and ensures removable cover
Plate can stablize, reliably, not sideslip, it is stronger in configuration aspects stability, be conducive to removable cover sliding opening；
Two, it is equipped with sealing soft rubber between removable cover of the invention and the outer of cesspool, seals one end of soft rubber
It is fixed on the outer upper surface of removable cover, seals the other end outwardly convex of soft rubber and the upper end with L shape double-rail track
The flanging in portion matches, and sealing soft rubber is equipped with a press strip, press strip and the soft rubber of sealing close to one end upper surface of removable cover
Glue is fixed on the outer of cesspool by rivet,
It realizes the effect that cesspool is isolated from the outside, prevents the smell in cesspool toward outward leakage, avoid the foot of maintenance personal
Or maintenance tool or external impurities are caught in the gap of cesspool and removable cover to influence normal operation, structural stability compared with
It is good；
Three, the vertically arranged nylon roller of the present invention is concave idler wheel, the stainless steel guide rail of the lower end protrusion of L shape double-rail track
Matching contradicts, and the stainless steel bearing being laterally arranged is plane formula idler wheel, and plane formula idler wheel states the interior table of the upper end of L shape double-rail track
Face contradicts, and can play the firm effect of limit in removable cover sliding process using concave idler wheel, be rolled using plane formula
Wheel can reduce frictional force between the upper end of L shape double-rail track, alleviate slide cover is generated during sliding opening a left side,
The amplitude of right shaking.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention and the accompanying drawings.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of slidingtype deodorization cover of the present invention；
Fig. 2 is the partial enlarged view of part A in Fig. 1；
Fig. 3 is a kind of structural schematic diagram of the sliding equipment of slidingtype deodorization cover of the present invention；
Each section label is as follows in attached drawing:
Fixed cover board 1, fixing piece 11, removable cover 2, sliding equipment 21, U-shaped girder steel 211, support base 212, roll shaft 213, nylon
Idler wheel 214, stainless steel leg 215, shaft 216, stainless steel bearing 217, cesspool 3, sealing soft rubber 4, L shape double-rail track
5, flanging 51, stainless steel plate 52, stainless steel guide rail 53 and press strip 6.
Specific embodiment
Illustrate a specific embodiment of the invention below by way of particular specific embodiment, those skilled in the art can be by this
The revealed content of specification understands advantages of the present invention and effect easily.The present invention can also give in further, different ways
Implement, that is, under the scope of without departing substantially from disclosed, different modification and change can be given.
Embodiment
A kind of slidingtype deodorization cover, as shown in Figure 1-Figure 3, it is arch that the deodorization cover, which includes across the cross section of cesspool,
The fixation cover board 1 of shape and above the fixed cover board and across the cross section of the cesspool be arcuate in shape activity
Cover board 2, the left and right side of the fixed cover board are all equipped with fixing piece 11, and the fixing piece of the left and right side connects cesspool 3
Left and right side；Expose the two sides outer of the fixed cover board, the two sides of the removable cover in the two sides outer of the removable cover
Outer is all equipped with sliding equipment 21, the sliding equipment enable to the removable cover on the outer of the cesspool back and forth
Sliding；Sealing soft rubber 4 is equipped between the removable cover and the outer of the cesspool, the sealing soft rubber can
So that the peripheral sealing on the periphery of the removable cover and the cesspool.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
The two sides outer of the cesspool is all equipped with rail mechanism, and the rail mechanism is L shape double-rail track 5, the L shape double track
The upper end of track is equipped with the flanging 51 towards the removable cover side, and the flanging offsets with the sealing soft rubber
Touching, the lower end of the L shape double-rail track is fixedly connected with the outer bolt of the outer of the fixed cover board, cesspool respectively；
The upper surface of the lower end of the L shape double-rail track is equipped with stainless steel plate 52, and the upper surface of the stainless steel plate is equipped with item
The stainless steel guide rail 53 of shape protrusion.
The sliding equipment include vertically arranged U-shaped girder steel 211, the support base 212 below the U-shaped girder steel,
It is fixed on the roll shaft 213 of two sides in the support base, is socketed the roll shaft and vertically arranged nylon roller 214, transverse direction in both ends
The stainless steel leg 215 that is arranged, both ends are fixed on the shaft 216 of two sides and the socket shaft and cross in the stainless steel leg
To the stainless steel bearing 217 of setting, the stainless steel leg is fastened transversely on the lateral surface of the U-shaped girder steel.
The vertically arranged nylon roller is concave idler wheel, and the stainless steel bearing being laterally arranged is plane formula rolling
The stainless steel guide rail of the lower end protrusion of wheel, the concave idler wheel and the L shape double-rail track contradicts, the plane formula rolling
The inner surface of the upper end of the wheel face of wheel and the L shape double-rail track contradicts.
The outer upper surface of the removable cover, the sealing soft rubber are fixed in one end of the sealing soft rubber
Other end outwardly convex and matched with the flanging of the upper end of the L shape double-rail track.
The sealing soft rubber is equipped with a press strip 6, the press strip and institute close to one end upper surface of the removable cover
Sealing soft rubber is stated to be fixed on by rivet on the outer of the cesspool.
The press strip is stainless-steel sheet.
The stainless steel guide rail is square steel guide rail.
The cross-sectional direction total span of the removable cover is 5-25 meters.
The course of work and working principle of the invention is as follows:
The present invention includes across the cross section of cesspool 3 for the fixation cover board 1 of arcuate in shape and above the fixed cover board 1
And across the cross section of the cesspool 3 be arcuate in shape removable cover 2, the left and right side of the fixed cover board 1 is all equipped with
Fixing piece 11, the fixing piece 11 of the left and right side connect the left and right side of cesspool 3；The two sides outer of the removable cover 2
Expose the two sides outer of the fixed cover board 1, the two sides outer of the removable cover 2 is all equipped with sliding equipment 21, the sliding
The stainless steel guide rail that mechanism 21 passes through the lower end protrusion of vertically arranged concave nylon roller 214 and the L shape double-rail track 5
53 matchings contradict, while being supported by the inner surface of the stainless steel bearing 217 and the upper end of the L shape double-rail track 5 that are laterally arranged
Touching, when external force pulls removable cover 2, nylon roller 214 rolls on stainless steel guide rail 53, and stainless steel bearing 217 is in L
The inner surface of the upper end of shape double-rail track 5 rolls；It is soft that sealing is equipped between the removable cover 2 and the outer of the cesspool 3
Property rubber 4, one end of the sealing soft rubber 4 suppresses fixed and is fixed on the removable cover 2 by rivet by press strip 6
Outer upper surface, the other end outwardly convex of the sealing soft rubber 4 and the flanging with the upper end of the L shape double-rail track
51 matchings, the sealing soft rubber 4 enable to the peripheral sealing on the periphery and the cesspool 3 of the removable cover 2.
The above description is only an embodiment of the present invention, and not thereby the above description is only an embodiment of the present invention, not because
This limits the scope of the patents of the invention, all using equivalent structure made by description of the invention and accompanying drawing content, or directly or
Other related technical areas are used in indirectly, similarly include in scope of patent protection of the invention.
Claims (9)
1. a kind of slidingtype deodorization cover, the deodorization cover includes the fixation cover board across the cross section of cesspool for arcuate in shape
It (1) and above the fixed cover board and across the cross section of the cesspool is the removable cover (2) of arcuate in shape, it is special
Sign is: the left and right side of the fixed cover board is all equipped with fixing piece (11), and the fixing piece of the left and right side connects sewage
The left and right side in pond (3)；Expose the two sides outer of the fixed cover board, the removable cover in the two sides outer of the removable cover
Two sides outer be all equipped with sliding equipment (21), the sliding equipment enables to the removable cover in the outer of the cesspool
It slidably reciprocates on edge；Sealing soft rubber (4) is equipped between the removable cover and the outer of the cesspool, the sealing is soft
Property rubber enables to the periphery of the removable cover and the peripheral sealing of the cesspool.
2. a kind of slidingtype deodorization cover according to claim 1, it is characterised in that: the two sides outer of the cesspool is all set
There is rail mechanism, the rail mechanism is L shape double-rail track (5), and the upper end of the L shape double-rail track is equipped with towards the work
The flanging (51) of dynamic cover board side, the flanging and the sealing soft rubber are inconsistent, the lower end of the L shape double-rail track
It is fixedly connected respectively with the outer bolt of the outer of the fixed cover board, cesspool；The lower end of the L shape double-rail track it is upper
Surface is equipped with stainless steel plate (52), and the upper surface of the stainless steel plate is equipped with the stainless steel guide rail (53) of strip projected parts.
3. a kind of slidingtype deodorization cover according to claim 2, it is characterised in that: the sliding equipment includes vertically arranged
U-shaped girder steel (211), the support base (212) below the U-shaped girder steel, both ends be fixed on two sides in the support base
Roll shaft (213), the socket roll shaft and vertically arranged nylon roller (214), the stainless steel leg (215) being laterally arranged, two
The stainless steel bearing that end is fixed on the shaft (216) of two sides in the stainless steel leg and is socketed the shaft and is laterally arranged
(217), the stainless steel leg is fastened transversely on the lateral surface of the U-shaped girder steel.
4. a kind of slidingtype deodorization cover according to claim 3, it is characterised in that: the vertically arranged nylon roller is
Concave idler wheel, the stainless steel bearing being laterally arranged are plane formula idler wheel, the concave idler wheel and the L shape double track rail
The stainless steel guide rail of the lower end protrusion in road contradicts, the upper end of the wheel face of the plane formula idler wheel and the L shape double-rail track
Inner surface contradict.
5. a kind of slidingtype deodorization cover according to claim 2, it is characterised in that: one end of the sealing soft rubber is solid
Due to the outer upper surface of the removable cover, the other end outwardly convex of the sealing soft rubber and with the L shape double track
The flanging of the upper end of track matches.
6. a kind of slidingtype deodorization cover according to claim 1, it is characterised in that: the sealing soft rubber is close to described
One end upper surface of removable cover is equipped with a press strip (6), and the press strip is fixed on institute by rivet with the sealing soft rubber
It states on the outer of cesspool.
7. a kind of slidingtype deodorization cover according to claim 6, it is characterised in that: the press strip is stainless-steel sheet.
8. a kind of slidingtype deodorization cover according to claim 2, it is characterised in that: the stainless steel guide rail is led for square steel
Rail.
9. a kind of slidingtype deodorization cover according to claim 1, it is characterised in that: the cross-sectional direction of the removable cover
Total span is 5-25 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910419782.5A CN110125130A (en) | 2019-05-20 | 2019-05-20 | A kind of slidingtype deodorization cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910419782.5A CN110125130A (en) | 2019-05-20 | 2019-05-20 | A kind of slidingtype deodorization cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110125130A true CN110125130A (en) | 2019-08-16 |
Family
ID=67571394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910419782.5A Pending CN110125130A (en) | 2019-05-20 | 2019-05-20 | A kind of slidingtype deodorization cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110125130A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050029719A (en) * | 2005-02-28 | 2005-03-28 | 월드브리지산업 주식회사 | Covering apparatus for preventing outflow of offensive odour |
| JP2006225039A (en) * | 2005-01-21 | 2006-08-31 | Shin Nippon Core Co Ltd | Curved cover lid |
| CN201750966U (en) * | 2010-06-24 | 2011-02-23 | 南通市科威给排水设备有限公司 | Follow-up capping device for round sewage treatment tank |
| KR101019511B1 (en) * | 2010-06-16 | 2011-03-07 | (주)알티에스 | Expansion joint and sealing device for the expansion joint |
| CN202865982U (en) * | 2012-04-06 | 2013-04-10 | 张永进 | Application device for capping flexible steel membrane structure for sewage reservoir |
| CN204858504U (en) * | 2015-08-04 | 2015-12-09 | 广东伊之密精密机械股份有限公司 | Open -close type seals terminal box |
| CN204878360U (en) * | 2015-06-30 | 2015-12-16 | 浙江新昌振新密封件有限公司 | Shield is glued in area of internal diameter lips rubber |
| CN108374481A (en) * | 2018-04-17 | 2018-08-07 | 江苏新纪元环保科技有限公司 | The cover is collected in a kind of half movable type fiberglass deodorization for sewage treatment plant |
| CN208251302U (en) * | 2018-06-04 | 2018-12-18 | 中交城乡建设规划设计研究院有限公司 | First rain separate system wastewater reuse approach tapping equipment |
| CN210208035U (en) * | 2019-05-20 | 2020-03-31 | 上海市政工程设计研究总院（集团）有限公司 | Sliding type deodorization cover |
-
2019
- 2019-05-20 CN CN201910419782.5A patent/CN110125130A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006225039A (en) * | 2005-01-21 | 2006-08-31 | Shin Nippon Core Co Ltd | Curved cover lid |
| KR20050029719A (en) * | 2005-02-28 | 2005-03-28 | 월드브리지산업 주식회사 | Covering apparatus for preventing outflow of offensive odour |
| KR101019511B1 (en) * | 2010-06-16 | 2011-03-07 | (주)알티에스 | Expansion joint and sealing device for the expansion joint |
| CN201750966U (en) * | 2010-06-24 | 2011-02-23 | 南通市科威给排水设备有限公司 | Follow-up capping device for round sewage treatment tank |
| CN202865982U (en) * | 2012-04-06 | 2013-04-10 | 张永进 | Application device for capping flexible steel membrane structure for sewage reservoir |
| CN204878360U (en) * | 2015-06-30 | 2015-12-16 | 浙江新昌振新密封件有限公司 | Shield is glued in area of internal diameter lips rubber |
| CN204858504U (en) * | 2015-08-04 | 2015-12-09 | 广东伊之密精密机械股份有限公司 | Open -close type seals terminal box |
| CN108374481A (en) * | 2018-04-17 | 2018-08-07 | 江苏新纪元环保科技有限公司 | The cover is collected in a kind of half movable type fiberglass deodorization for sewage treatment plant |
| CN208251302U (en) * | 2018-06-04 | 2018-12-18 | 中交城乡建设规划设计研究院有限公司 | First rain separate system wastewater reuse approach tapping equipment |
| CN210208035U (en) * | 2019-05-20 | 2020-03-31 | 上海市政工程设计研究总院（集团）有限公司 | Sliding type deodorization cover |
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