CN208235671U - A kind of sewage vacuum collection device - Google Patents
A kind of sewage vacuum collection device Download PDFInfo
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- CN208235671U CN208235671U CN201820645358.3U CN201820645358U CN208235671U CN 208235671 U CN208235671 U CN 208235671U CN 201820645358 U CN201820645358 U CN 201820645358U CN 208235671 U CN208235671 U CN 208235671U
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- vacuum
- sewage
- gas treatment
- vacuum line
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Abstract
The utility model provides a kind of sewage vacuum collection device, including sewage storage case, first vacuum line, vacuum colletor, gas treatment equipment, the part that first vacuum line is located at sewage storage case is arranged at intervals with multiple filter assemblies, vacuum colletor includes first end face and second end face, first end face is provided with the second vacuum line and exhaust valve, vacuum pump is connected on second vacuum line, one end of second vacuum line is connect with first end face, the other end is connect with gas treatment equipment, gas treatment equipment includes gas treatment cabinet, vent board is provided in gas treatment cabinet, gas treatment cabinet is divided into the first accommodating chamber and the second accommodating chamber by vent board, adsorbent is provided in first accommodating chamber and the second accommodating chamber, second end face is connected with blow-off line, drain valve is provided on blow-off line, vacuum colletor is set It is equipped with the second liquid level sensor.The vacuum line of the device is not easy to plug, and the tail gas of vacuum pump discharge has obtained timely and effectively handling.
Description
Technical field
The utility model belongs to sewage collecting process field, specifically, being related to a kind of sewage vacuum collection device.
Background technique
In city and resident population dense region, the collection of sewage mostly uses gravity type pipeline collection mode, in building
Sewage flow into outdoor inspection shaft, sewage conduct is laid by certain gradient, and sewage is by gravity along pipeline to sewage lifting
Then well is promoted by pumping plant to sewage treatment facility, to prevent sewage in pipeline from blocking, when pipeline laying is generally required using one
The fixed gradient, therefore, the general buried depth of sewage conduct are relatively deep, and construction investment is high.
Recently as the fast development of continuous improvement and the urbanization of China's economic level, rural domestic sewage treatment pressure
Power constantly increases, and rural area face source emission is seriously polluted, because of big, the traditional gravity pipe line of rural residence relative distribution, topography variation
Water discharge technology pipeline is laid with relatively deep, construction complexity, higher cost.
The existing generally existing vacuum line of sanitary sewage vacuum treatment installation is easy blocking, passes through the tail gas after vacuum pump
Not by being discharged between processing or by being discharged between simple processing the disadvantages of.Therefore, it invents one kind and is able to solve above-mentioned ask
The sewage vacuum collection device of topic becomes current urgent problem to be solved.
Utility model content
For deficiency above-mentioned in the prior art, the utility model provides a kind of sewage vacuum collection device, structure is simple,
Easy to operate, vacuum line is not easy to plug, and the tail gas of vacuum pump discharge has obtained timely and effectively handling, and avoids the dirt of environment
Dye.
In order to achieve the above object, the solution that the utility model uses is:
A kind of sewage vacuum collection device, including sewage storage case, the first vacuum line, vacuum colletor, gas treatment
Device, one end of the first vacuum line extend in sewage storage case, and the other end extends in vacuum colletor, the first vacuum tube
The part that road is located at sewage storage case is arranged at intervals with multiple filter assemblies, each filter assemblies include through-hole, be covered in it is logical
The fixing piece of the filter screen in hole and multiple fixed filter screens, each fixation kit include connecting plate and are slidably connected to connection
The fixed plate of plate, one end of connecting plate are fixedly connected with the first vacuum line, and the first vacuum line is provided with the first buckle, fixed
Plate is provided with the first card slot being clasped with first, and filter screen is provided with multiple holes matched with fixed plate, sewage storage
Case is provided with the first liquid level sensor and into sewage conduct, and vacuum valve and elevator pump are provided on the first vacuum line, and vacuum is received
Collection tank includes the first end face and second end face being oppositely arranged, and first end face is provided with the second vacuum line and exhaust valve, and second
Vacuum pump is connected on vacuum line, one end of the second vacuum line is connect with first end face, the other end and gas treatment equipment
Connection, gas treatment equipment includes gas treatment cabinet, is provided with vent board in gas treatment cabinet, and vent board is by gas treatment
Cabinet is divided into the first accommodating chamber and the second accommodating chamber, is provided with adsorbent in the first accommodating chamber and the second accommodating chamber, at gas
Reason cabinet includes side wall and the top plate and bottom plate that are oppositely arranged, and top plate and bottom plate connect with side wall and be used to open and closed side
The both ends of wall, second end face are connected with blow-off line, and drain valve is provided on blow-off line, and vacuum colletor is provided with the second liquid
Level sensor.
Further, in the utility model preferred embodiment, one end of one end of top plate and bottom plate respectively with side wall
Both ends are hinged, and the other end of top plate and the other end of bottom plate are respectively arranged with multiple second buckles, and the both ends of side wall are respectively set
There are multiple the second card slots matched with multiple second buckles.
Further, in the utility model preferred embodiment, gas treatment equipment further includes for fixing top plate and bottom
The fixing piece of plate.
Further, in the utility model preferred embodiment, fixing piece is gusset, and gusset includes interconnected first
Gusset and the second gusset, the first gusset are provided with third buckle, and side wall, which is provided with, buckles the third card slot matched with third, the
Two angle plate is provided with the 4th buckle, and top plate or bottom plate are provided with the 4th card slot matched with the 4th buckle.
Further, in the utility model preferred embodiment, water vapor adsorption component is additionally provided in vacuum colletor,
Water vapor adsorption component is between first end face and the first vacuum line.
Further, in the utility model preferred embodiment, water vapor adsorption component includes air permeable plate and is set to
The water vapor adsorption agent of gas plate.
The beneficial effect of sewage vacuum collection device provided by the embodiment of the utility model is, wherein the first vacuum line
Multiple filter assemblies are arranged at intervals with positioned at the part of waste water treatment box, in order to be filtered out into the first vacuum line
Impurity in sewage blocks the first vacuum line after avoiding impurity from entering the first vacuum line, influences making for vacuum collection device
With, while in filter assemblies, filter screen is detachably arranged, and convenient for replacement in time and cleaning, fixing piece is used for multiple fixations
Filter screen, avoids filter screen mobile or there are biggish gaps with the first vacuum line, influences the effect of filtering；It is pumped out from vacuum
The tail gas come successively passes through the first accommodating chamber, vent board and the second accommodating chamber of gas treatment cabinet, the first accommodating chamber and second
Adsorbent is provided in accommodating chamber, such tail gas greatly improves adsorption treatment tail gas by filtration and adsorption treatment twice
Effect, while the top plate of gas treatment cabinet and bottom plate connect with side wall and are used to open and are closed the both ends of side wall, mesh
Be for the ease of timely replacing the adsorbent in the first accommodating chamber and the second accommodating chamber；The sewage vacuum collection device, knot
Structure is simple, easy to operate, vacuum line is not easy to plug, and the tail gas of vacuum pump discharge has obtained timely and effectively handling, and avoids ring
The pollution in border.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram of sewage vacuum collection device provided by the utility model；
Fig. 2 is the structural schematic diagram of part of the first vacuum line provided by the utility model under the first visual angle；
Fig. 3 is structural schematic diagram of the first vacuum line provided by the utility model under the second visual angle；
Fig. 4 is the structural schematic diagram of gas treatment cabinet provided by the utility model；
Fig. 5 is the structural schematic diagram of fixing piece provided by the utility model.
Icon: 100- sewage vacuum collection device；200- sewage storage case；The first liquid level sensor of 210-；220- is into dirt
Waterpipe；The first vacuum line of 300-；310- vacuum valve；320- elevator pump；330- first is buckled；400- vacuum colletor；
410- first end face；420- second end face；The second vacuum line of 430-；431- vacuum pump；440- exhaust valve；450- sewage pipe
Road；460- drain valve；The second liquid level sensor of 470-；500- gas treatment equipment；510- gas treatment cabinet；520- ventilation
Plate；The first accommodating chamber of 530-；The second accommodating chamber of 540-；550- adsorbent；560- side wall；570- top plate；580- bottom plate；590-
Two buckles；600- filter assemblies；610- through-hole；620- filter screen；630- fixing piece；631- connecting plate；632- fixed plate；700-
Fixing piece；710- gusset；The first gusset of 711-；The second gusset of 712-；713- third buckle；714- the 4th is buckled；800- water steams
Gas absorbent module；810- air permeable plate；820- water vapor adsorption agent.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that the orientation of the instructions such as term " on ", "lower", "inner", "outside"
Or positional relationship be based on the orientation or positional relationship shown in the drawings or the utility model product using when usually put
Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.In addition, term " first ", " second ", etc. be only used for distinguish description, be not understood to indicate or imply relatively important
Property.
In addition, the terms such as term "horizontal", "vertical" are not offered as requiring component abswolute level or pendency, but can be slightly
Low dip.It is not to indicate that the structure has been had to if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It is complete horizontal, but can be slightly tilted.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Embodiment
Fig. 1 is please referred to, the utility model embodiment provides a kind of sewage vacuum collection device 100 comprising sewage storage
Case 200, the first vacuum line 300, vacuum colletor 400 and gas treatment equipment 500.
One end of first vacuum line 300 extends in sewage storage case 200, and the other end extends to vacuum colletor 400
Interior, sewage storage case 200 is provided with the first liquid level sensor 210 and into sewage conduct 220, is arranged on the first vacuum line 300
There are vacuum valve 310 and elevator pump 320, in order to which purpose is to detect sewage storage by the first liquid level sensor 210
The liquid level of sewage in case 200, will be in sewage storage case 200 so as to open vacuum valve 310 and elevator pump 320 in time
Sewage is pumped into vacuum colletor 400 by the first vacuum line 300.
In conjunction with Fig. 1, Fig. 2 and Fig. 3, the part that the first vacuum line 300 is located at sewage storage case 200 is arranged at intervals with multiple
Filter assemblies 600, in order to be filtered out by multiple filter assemblies 600 into the sewage of the first vacuum line 300
Impurity blocks the first vacuum line 300 after avoiding impurity from entering the first vacuum line 300, influences the use of vacuum collection device,
Wherein, the purpose that multiple filter assemblies 600 are arranged not only makes to improve the efficiency of filtering, while being in order to avoid one of them
Or several go wrong is the filtering use for not influencing other filter assemblies 600.
Specifically, each filter assemblies 600 include through-hole 610, are covered in the filter screen 620 of through-hole 610 and multiple
For fixing the fixing piece 630 of filter screen 620, each fixing piece 630 including connecting plate 631 and is slidably connected to connecting plate
631 fixed plate 632, one end of connecting plate 631 are fixedly connected with the first vacuum line 300, and the first vacuum line 300 is provided with
First buckle 330, fixed plate 632 are provided with the first card slot (not shown) with 330 cooperation of the first buckle, in the present embodiment, mistake
Strainer 620 is provided with multiple hole (not shown) matched with fixed plate 632, i.e. filter screen 620 is provided with multiple for being arranged
When the hole of fixed plate 632, fixed filter screen 620, filter screen 620 is sheathed on connecting plate 631, fixed plate is then slided
632, which make first on the first vacuum line 300 to buckle 330, is embedded in the first card slot, in order to fixed filter screen 620,
It is bonded filter screen 620 with the first vacuum line 300, avoids the movement of filter screen 620 or there are larger with the first vacuum line 300
Gap, influence the effect of the filtering of filter screen 620；When needing replacing or cleaning filter screen 620, toward far from the first vacuum line
Fixed plate 632 is slided in 300 direction, and the first buckle 330 takes off in the first card slot while sliding, then takes out filter screen 620.
Vacuum colletor 400 includes the first end face 410 and second end face 420 being oppositely arranged, and first end face 410 is provided with
Second vacuum line 430 and exhaust valve 440 are connected with vacuum pump 431 on second vacuum line 430, the second vacuum line 430
One end is connect with first end face 410, and the other end is connect with gas treatment equipment 500, in order to pass through gas treatment equipment
500 pairs are handled from the tail gas that vacuum pump 431 comes out, and avoid pollution environment.
In conjunction with Fig. 1, Fig. 4 and Fig. 5, specifically, gas treatment equipment 500 includes gas treatment cabinet 510, gas treatment case
Vent board 520 is provided in body 510, vent board 520 divides gas treatment cabinet 510 to be accommodated for the first accommodating chamber 530 and second
Adsorbent 550, the tail come out in this way from vacuum pump 431 are provided in chamber 540, the first accommodating chamber 530 and the second accommodating chamber 540
Gas will successively pass through the first accommodating chamber 530, vent board 520 and the second accommodating chamber 540 of gas treatment cabinet 510, such tail gas
By filtration and adsorption treatment twice, the effect of adsorption treatment tail gas is greatly improved.
Gas treatment cabinet 510 includes side wall 560 and the top plate 570 and bottom plate 580 that are oppositely arranged, top plate 570 and bottom plate
580 connect with side wall 560 and are used to open and are closed the both ends of side wall 560, in order to open top plate 570 and bottom plate
The adsorbent 550 in the first accommodating chamber 530 and the second accommodating chamber 540 can be timely replaced after 580.
Further, one end of top plate 570 and one end of bottom plate 580 are hinged with the both ends of side wall 560 respectively, i.e. top plate
570 one end and one end of side wall 560 are hinged, and one end of bottom plate 580 and the other end of side wall 560 are hinged；Top plate 570 it is another
End and the other end of bottom plate 580 are respectively arranged with multiple second buckles 590, the both ends of side wall 560 be respectively arranged with it is multiple with it is more
A second buckle, 590 the second card slot (not shown) for matching, by the second buckle 590 and the second card slot realization top plate 570 and
Bottom plate 580 is detachably connected with side wall 560, convenient for opening top plate 570 or bottom plate 580.
Preferably, gas treatment equipment 500 further includes the fixing piece 700 for fixing top plate 570 and bottom plate 580, purpose
Be in order to be placed on absorption tail gas during, top plate 570 and bottom plate 580 open the progress for influencing adsorption process.
Further, fixing piece 700 is gusset 710, and gusset 710 includes the first gusset 711 interconnected and second jiao
Plate 712, the first gusset 711 are provided with third buckle 713, and side wall 560 is provided with the third card slot matched with third buckle 713
(not shown), the second gusset 712 are provided with the 4th buckle 714, and top plate 570 or bottom plate 580 are provided with to match with the 4th buckle 714
The 4th card slot (not shown) closed.
Preferably, water vapor adsorption component 800 is additionally provided in vacuum colletor 400, water vapor adsorption component 800 is located at
Between first end face 410 and the first vacuum line 300, in order to the vapor in the gas of vacuum pump 431 is absorbed into,
It avoids the gas with vapor from entering vacuum pump 431, influences the use of vacuum pump 431.
Further, water vapor adsorption component 800 includes air permeable plate 810 and the water vapor adsorption for being set to air permeable plate 810
Agent 820, in the present embodiment, water vapor adsorption agent 820 is silica gel.
Second end face 420 is connected with blow-off line 450, and drain valve 460, vacuum colletor are provided on blow-off line 450
400 are provided with the second liquid level sensor 470, in order to be detected in vacuum colletor 400 by the second liquid level sensor 470
Liquid level, convenient for timely starting vacuum plant carry out blowdown.
The working principle of sewage vacuum collection device 100 is that sewage is by entering sewage storage case into sewage conduct 220
200, most of impurity is filtered out by the filter assemblies 600 on the first vacuum line 300, passes through the first liquid level sensor 210
The liquid level of sewage storage case 200 is detected, when liquid level reaches certain altitude, elevator pump 320 is opened and vacuum valve 310 will
(vacuum pump 431 is in the state opened at this time, and exhaust valve 440 and drain valve 460 are located in sewage suction vacuum colletor 400
In the state of closing), by the tail gas of vacuum pump 431 enter gas treatment equipment 500 carry out processing then drain into atmosphere, lead to
It crosses the second liquid level sensor 470 to detect the liquid level in vacuum colletor 400, when the liquid level in vacuum colletor 400 reaches
To after certain altitude, vacuum pump 431 is closed, exhaust valve 440 is opened and drain valve 460 carries out blowdown, when liquid level drops to centainly
Exhaust valve 440 and drain valve 460 are closed when height, reopen vacuum pump 431.It needs to the first accommodating chamber 530 or the of replacement
When adsorbent 550 in two accommodating chambers 540；It opens corresponding top plate 570 or bottom plate 580 is replaced, it is very convenient quick.
In conclusion the first vacuum line in sewage vacuum collection device is located at the part interval setting of waste water treatment box
There are multiple filter assemblies, in order to filter out into the impurity in the sewage of the first vacuum line, impurity is avoided to enter the
The first vacuum line is blocked after one vacuum line, influences the use of vacuum collection device, while in filter assemblies, and filter screen is can
Disassembly setting, convenient for replacement in time and cleaning, fixing piece is used for multiple fixed filter screens, avoids filter screen mobile or with first
There are biggish gaps for vacuum line, influence the effect of filtering；The tail gas come out from vacuum pump successively passes through gas treatment cabinet
The first accommodating chamber, vent board and the second accommodating chamber, be provided with adsorbent, such tail in the first accommodating chamber and the second accommodating chamber
Gas greatly improves the effect of adsorption treatment tail gas, while the top plate of gas treatment cabinet by filtration and adsorption treatment twice
And bottom plate connect with side wall and is used to open and is closed the both ends of side wall, in order to accommodate convenient for timely replacement first
Adsorbent in chamber and the second accommodating chamber；The sewage vacuum collection device, structure is simple, easy to operate, vacuum line is not easy to plug,
The tail gas of vacuum pump discharge has obtained timely and effectively handling, and avoids the pollution of environment.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of sewage vacuum collection device, it is characterised in that: including sewage storage case, the first vacuum line, vacuum colletor,
Gas treatment equipment, one end of first vacuum line extend in the sewage storage case, and the other end extends to described true
In empty collecting tank, the part that first vacuum line is located at the sewage storage case is arranged at intervals with multiple filter assemblies, often
A filter assemblies include the fixing piece of through-hole, the filter screen for being covered in the through-hole and multiple fixation filter screens, often
A fixation kit includes connecting plate and the fixed plate for being slidably connected to the connecting plate, one end of the connecting plate and described the
One vacuum line is fixedly connected, and first vacuum line is provided with the first buckle, and the fixed plate is provided with and described first
The first card slot being clasped, the filter screen are provided with multiple holes matched with the fixed plate, the sewage storage case
It is provided with the first liquid level sensor and into sewage conduct, is provided with vacuum valve and elevator pump on first vacuum line, it is described
Vacuum colletor includes the first end face and second end face being oppositely arranged, and the first end face is provided with the second vacuum line and row
Air valve is connected with vacuum pump on second vacuum line, and one end of second vacuum line is connect with the first end face,
The other end is connect with the gas treatment equipment, and the gas treatment equipment includes gas treatment cabinet, the gas treatment case
It is provided with vent board in vivo, the gas treatment cabinet is divided into the first accommodating chamber and the second accommodating chamber by the vent board, described
Adsorbent is provided in first accommodating chamber and second accommodating chamber, the gas treatment cabinet includes side wall and is oppositely arranged
Top plate and bottom plate, the top plate and the bottom plate connect with the side wall and are used to open and are closed the two of the side wall
End, the second end face are connected with blow-off line, drain valve are provided on the blow-off line, and the vacuum colletor is provided with
Second liquid level sensor.
2. sewage vacuum collection device according to claim 1, it is characterised in that: one end of the top plate and the bottom plate
One end it is hinged with the both ends of the side wall respectively, the other end of the other end of the top plate and the bottom plate is respectively arranged with more
A second buckle, the both ends of the side wall are respectively arranged with multiple the second card slots matched with the multiple second buckle.
3. sewage vacuum collection device according to claim 2, it is characterised in that: the gas treatment equipment further includes using
In the fixation top plate and the fixing piece of the bottom plate.
4. sewage vacuum collection device according to claim 3, it is characterised in that: the fixing piece is gusset, the angle
Plate includes the first gusset and the second gusset interconnected, and first gusset is provided with third buckle, and the side wall is provided with
The third card slot matched is buckled with the third, second gusset is provided with the 4th buckle, the top plate or the bottom plate
It is provided with the 4th card slot matched with the 4th buckle.
5. sewage vacuum collection device according to claim 1, it is characterised in that: be additionally provided in the vacuum colletor
Water vapor adsorption component, the water vapor adsorption component is between the first end face and first vacuum line.
6. sewage vacuum collection device according to claim 1, it is characterised in that: water vapor adsorption component includes air permeable plate
And it is set to the water vapor adsorption agent of the air permeable plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820645358.3U CN208235671U (en) | 2018-05-02 | 2018-05-02 | A kind of sewage vacuum collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820645358.3U CN208235671U (en) | 2018-05-02 | 2018-05-02 | A kind of sewage vacuum collection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208235671U true CN208235671U (en) | 2018-12-14 |
Family
ID=64581766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820645358.3U Expired - Fee Related CN208235671U (en) | 2018-05-02 | 2018-05-02 | A kind of sewage vacuum collection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208235671U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114057313A (en) * | 2021-12-02 | 2022-02-18 | 宏伟建设工程股份有限公司 | Environment-friendly deodorization type sewage treatment equipment and method |
-
2018
- 2018-05-02 CN CN201820645358.3U patent/CN208235671U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114057313A (en) * | 2021-12-02 | 2022-02-18 | 宏伟建设工程股份有限公司 | Environment-friendly deodorization type sewage treatment equipment and method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181214 Termination date: 20200502 |