CN207267811U - A kind of sewage integrated treatment device - Google Patents
A kind of sewage integrated treatment device Download PDFInfo
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- CN207267811U CN207267811U CN201721074607.XU CN201721074607U CN207267811U CN 207267811 U CN207267811 U CN 207267811U CN 201721074607 U CN201721074607 U CN 201721074607U CN 207267811 U CN207267811 U CN 207267811U
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- integrated treatment
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Abstract
The utility model discloses a kind of sewage integrated treatment device, including blowdown pipe network and grid pond, the grid pond is embedded in underground, its inner hollow and upper end opening, its openend is connected with earth's surface, entrance is provided with the side wall of the grid pond side, opposite side side wall is equipped with outlet, the entrance of the grid pond and the blowdown pipe network of upstream are connected to and in communication with, the outlet of the grid pond and the blowdown pipe network in downstream are connected to and in communication with, and are equipped with the grid pond to intercept the interception grid of the dregs in blowdown pipe network.The utility model on the pipeline of blowdown pipe network by setting grid pond and the interception grid in grid pond, concentrated on for carrying out interception to the dregs in upstream blowdown pipe network in grid pond, keep the water quality in downstream blowdown pipe network, in order to follow-up sewage disposal, it will focus on the rubbish in grid pond and cleared up by way of artificially salvaging or automating.
Description
Technical field
A kind of sewage-treatment plant is the utility model is related to, belongs to municipal blowdown apparatus field, more particularly to a kind of energy is certainly
Dynamicization screening, the sewage integrated treatment device for removing rubbish in blowdown pipe network.
Background technology
Sewage integrated treatment device is as Miniature Sewage Farm, and using extensive, the system is to small-sized housing sewage
Treatment effect is preferable, the basic discharge standard that can meet the departments such as municipal administration, environmental protection in the case where safeguarding in place.But at present with
Dirty processing unit design focal point in the water treatment of posterior segment, the slagging-off of leading portion sewage, the universal grid of aspect of slagging tap and manually
The mode for periodically dragging for slag is completed.
And metallic grid runs into untreated sewage and on the one hand can be adsorbed on grid and cause grid to block, impeded drainage,
So as to cause the blocking of drainage pipeline networks to be poured in down a chimney, another aspect corrosion in water is stronger, and long period of soaking grid corrosion breakage is general
Time, cause debris retaining failure bulk solid to enter lifting pond, so as to damage the equipment such as follow-up sewage pump.Therefore it is to be ensured that processing dress
Put normal operation, it is necessary to weekly the even shorter cycle grid pond check drag for clearly, once checking will influence not in time
Whole Sewage Disposal normal operation, causes equipment damage and economic loss.
Utility model content
In order to solve the above-mentioned technical problem, can be voluntarily in blowdown pipe network the purpose of this utility model is to provide one kind
Dregs concentrate separation and can be to intercepting the sewage integrated treatment device that be purged of bur of grid surface.
To achieve these goals, the technical solution of the utility model is：A kind of sewage integrated treatment device, including row
Dirty pipe network and grid pond (1), the grid pond (1) are embedded in underground, its inner hollow and upper end opening, its openend and earth's surface
Connect, entrance (11) is provided with the side wall of grid pond (1) side, opposite side side wall is equipped with outlet (12), the grid pond
(1) entrance (11) and the blowdown pipe network of upstream is connected to and in communication with, the outlet (12) of the grid pond (1) and the blow-off pipe in downstream
Net is connected to and in communication with, and is equipped with the grid pond (1) to intercept the interception grid (2) of the dregs in blowdown pipe network.
The beneficial effect of above-mentioned technical proposal is, by setting grid pond on the pipeline of blowdown pipe network and positioned at lattice
Interception grid in grid pond, concentrates in grid pond for carrying out interception to the dregs in upstream blowdown pipe network, keeps downstream row
Water quality in dirty pipe network, in order to follow-up sewage disposal, the rubbish that will focus in grid pond is by artificially salvaging or certainly
The mode of dynamicization is cleared up.
Grid (2) is intercepted described in above-mentioned technical proposal includes the first grid (21) and the second grid (22), and described first
Grid (21) is inclined in the grid pond (1), and the upper end is towards the grid pond (1) to opposite side sidewall slope,
Second grid (22) is arranged in parallel in the first grid (21) away from the side of the outlet (12), and can be relative to the first lattice
Grid (21) slide up and down, and the second grid (22) lower end extends horizontally forward away from the side of first grid (21) and is equipped with
Slag net (221) is dragged for be purged the dregs in grid pond (1).
The beneficial effect of above-mentioned technical proposal is, by setting the first grid and the second grid, and in the second grid
Front side sets and drags for slag net, and the second grid can move up relative to the first grid and the rubbish dragged in slag net is cleaned to grid
At the upper end opening in pond, cleared up easy to maintenance personnel.
The online end opening of slag, and the equivalent width of its width and the second grid, its both sides are dragged for described in above-mentioned technical proposal
It is concordant with the both sides of the second grid respectively.
The beneficial effect of above-mentioned technical proposal is that, in the case where dragging for slag net and being deposited to liquid level, the dregs either settled are still
The dregs of floating are collected during dragging for slag and surfing the net, and concentrate the upper end for being transported to grid pond.
First grid (21) described in above-mentioned technical proposal includes the more vertical beams (213) for being obliquely installed and being parallel to each other,
The upper end of the every vertical beam (213) is provided with the sidewall slope of outlet (12) towards the grid pond (1), and more described perpendicular
The upper end of beam (213) is connected by horizontally disposed upper beam (211) and fixed, and lower end passes through horizontally disposed bottom end rail (212)
Connection is fixed, and infiltration gap is formed between the two neighboring vertical beam (213) and upper beam (211) and bottom end rail (212).
The beneficial effect of above-mentioned technical proposal is, sets crossbeam middle part not set the top and bottom of the first grid
Crossbeam is put to be conducive to clear up the dregs of vertical beam adsorption.
The lower end of second grid (22) described in above-mentioned technical proposal is set close to the side level of first grid (21)
Have multiple equal with the infiltration one-to-one scraping teeth in gap (222), the one end of the scraping teeth (222) away from the second grid (22)
Extend in the corresponding infiltration gap, second grid (22) can drive the scraping teeth (222) relative to described first
Grid (21) moves up and down, and strikes off the bur in the infiltration gap.
The beneficial effect of above-mentioned technical proposal is, sets scraping teeth to glue the first grid surface in the lower end of the second grid
Addendum is purged, and the adhesion of the first grid surface can be purged since the second grid moves down upwards every time, its
Elimination efficiency is high, convenient and efficient.
The one end of multiple scraping teeth (222) away from second grid (22) both passes through corresponding in above-mentioned technical proposal
The infiltration gap, and be fixedly connected by a horizontally disposed gag lever post (223).
The beneficial effect of above-mentioned technical proposal is, sets gag lever post to prevent the first grid and the second grid from mutually dividing
From, while can also prevent scraping teeth from misplacing, improve the whole matching of equipment.
The lifting gear for being placed in and intercepting above grid is further included in above-mentioned technical proposal, the lifting gear includes winding
Roller, steel wire rope and driving mechanism, the winding roller are connected by steel wire rope with the upper end of the second grid, and the winding roller rotates through
The second grid is lifted or put down in journey, the driving mechanism driving winding roller is rotated forward or backwards.
The beneficial effect of above-mentioned technical proposal is, automatic lifting is carried out to the second grid using driving mechanism, convenient fast
It is prompt.
Driving mechanism described in above-mentioned technical proposal (33) includes motor (332) and reduction box (331), the motor
(332) drive end connection reduction box (331) input terminal, reduction box (331) output terminal pass through gear with winding roller (31)
It is sequentially connected.
The beneficial effect of above-mentioned technical proposal is so that driving mechanism is more prone to control, the second grid rise and fall
It is more steady.
Control module is further included in above-mentioned technical proposal, the motor is electrically connected with control module, outside the control module
Connect power supply, the working status of the control module control motor.
The beneficial effect of above-mentioned technical proposal is, drives the second grid to rise or fall using control module control motor
It is more convenient.
Sensing device is further included in above-mentioned technical proposal, the sensing device includes upper liquid level gauge and lower liquid level gauge, described
Upper liquid level gauge and lower liquid level gauge are arranged in grid pond, and deviate from the side of the first grid (21) positioned at the second grid respectively, and
It is spaced apart up and down successively, the upper liquid level gauge and lower liquid level gauge are electrically connected with control module respectively, and by front of the second grid
Liquid level information send control module to, and by the working status of control module control motor.
The beneficial effect of above-mentioned technical proposal is that liquid level gauge and lower liquid level gauge are respectively to the liquid level in grid pond in setting
Forecast, wherein liquid level reaches lower liquid level gauge and represents that liquid level is exceeded, and liquid level reaches liquid level gauge and represents liquid level superelevation, Qian Zhebiao
Show that intercepting grid blocks, and the latter then represents that intercepting grid Severe blockage occurs.
The warning device for reminding maintenance personnel's grid pond to block, the warning device are further included in above-mentioned technical proposal
It is electrically connected with control module, the control module controls warning device to be reported according to the information of the upper liquid level gauge of sensing device
It is alert.
The beneficial effect of above-mentioned technical proposal is, when there is Severe blockage, control module can pass through warning device
Maintenance personnel is notified to be dredged in time.
Warning device described in above-mentioned technical proposal includes loudspeaker and warning light, the loudspeaker and warning light with control
Molding block is electrically connected, and the loudspeaker is to make a sound alarm, and the warning light is sending light warning.
The beneficial effect of above-mentioned technical proposal is, using sound, light dual-alarm device be conducive to maintenance personnel more and
When accurately grasp alarm signal.
Brief description of the drawings
Fig. 1 is the structure diagram of sewage integrated treatment device described in the utility model embodiment；
Fig. 2 is the structure diagram that grid is intercepted described in the utility model embodiment；
Fig. 3 is the structure diagram of the first grid described in the utility model embodiment；
Fig. 4 is the structure diagram that slag net and scraping teeth are dragged for described in the utility model embodiment；
Fig. 5 is the structure diagram that slag net and scraping teeth are dragged for described in the utility model embodiment；
Fig. 6 is the structure diagram that slag net and scraping teeth are dragged for described in the utility model embodiment；
Fig. 7 is the structure diagram of lifting gear described in the utility model embodiment；
Fig. 8 is the connection figure of control module described in the utility model embodiment.
In figure:1 grid pond, 11 entrances, 12 outlets, 2 interception grids, 21 first grids, 211 upper beams, 212 bottom end rails,
213 vertical beams, 22 second grids, 221 drag for slag net, 222 scraping teeth, 223 gag lever posts, 3 lifting gears, 31 winding rollers, 32 steel wire ropes, and 33
Driving mechanism, 331 gear reducers, 332 motors, 4 control modules, 5 sensing devices, liquid level gauge on 51,52 times liquid level gauges, 6 alarm dresses
Put.
Embodiment
The principle and feature of the utility model are described below in conjunction with attached drawing, example is served only for explaining this practicality
It is new, it is not intended to limit the scope of the utility model.
As shown in Figure 1, a kind of sewage integrated treatment device is present embodiments provided, including blowdown pipe network and grid pond 1,
The grid pond 1 is embedded in underground, its inner hollow and upper end opening, its openend are connected with earth's surface, and the grid pond 1 is perpendicular
The cuboid structure directly set, is provided with entrance 11 on the 1 side side wall of grid pond, its offside side wall is equipped with outlet 12,
The entrance 11 of the grid pond 1 is connected to and in communication with the blowdown pipe network of upstream, the outlet 12 of the grid pond 1 and the blowdown in downstream
Pipe network is connected to and in communication with, and is equipped with the grid pond 1 to intercept the interception grid 2 of the dregs in blowdown pipe network, wherein it is preferred that
, the level height of the entrance of grid pond 1 is higher than the level height for exporting 12 so that sewage moves from top to bottom.
As shown in Fig. 2, grid 2 is intercepted described in above-described embodiment includes the first grid 21 and the second grid 22, described the
One grid 21 it is vertically arranged and its tilted backwards from bottom to top along water (flow) direction be fixed on it is described in grid pond 1, described second
Grid (22) is arranged in parallel in the first grid (21) away from the side of the outlet (12), and can be relative on the first grid (21)
Lower slider, the second grid (22) lower end are extended horizontally forward equipped with to by lattice away from the side of first grid (21)
What the dregs in grid pond (1) were purged drags for slag net (221).
221 upper end opening of slag net, and the equivalent width of its width and the second grid 22 are dragged for described in above-described embodiment, it two
Side is concordant with the both sides of the second grid 22 respectively；The height for dragging for slag net 221 is the 1/10-1/5 of 22 height of the second grid, excellent
Choosing, drag for slag net 221 openend level height less than grid pond 1 entrance level height.
As shown in figure 3, the first grid (21) described in above-described embodiment include more be obliquely installed and be parallel to each other it is perpendicular
Beam (213), the upper end of the every vertical beam (213) is provided with the sidewall slope of outlet (12) towards the grid pond (1), more
The upper end of vertical beam described in root (213) is connected by horizontally disposed upper beam (211) and fixed, and lower end passes through horizontally disposed lower horizontal stroke
Beam (212) connection is fixed, and is formed between the two neighboring vertical beam (213) and upper beam (211) and bottom end rail (212) between infiltration
Gap.
Be extended on rear side of the lower end of second grid 22 described in above-described embodiment after horizontal direction have it is multiple cleaning the
The scraping teeth 222 of the 213 surface adhesion thing of vertical beam of one grid 21, the scraping teeth 222 are moved up and down with the second grid 22, while by
The bur on 213 surface of vertical beam of one grid 21 is cleared up.
As shown in figure 4, scraping teeth 222 described in above-described embodiment is strip structure, its one end connects with 22 lower end of the second grid
Connect, the first grid 21 is extended across after other end horizontal direction, the scraping teeth 222 is interspersed between adjacent vertical beam 213 and divides
Not with the corresponding side contacts of corresponding vertical beam 213 or corresponding two neighboring vertical beam 213.
As shown in figure 5, in above-described embodiment each scraping teeth 222 away from its one end with 22 junction of the second grid with
A piece horizontally disposed gag lever post 223 connects, and the vertical beam 213 is enclosed in corresponding two neighboring scraping teeth 222 and gag lever post
In the region of 223 formation enclosed, the gag lever post 223 is preventing scraping teeth 222 from departing from first during moving up and down
The vertical beam 213 of grid 21.
As shown in fig. 6, scraping teeth 222 described in above-described embodiment is cyclic structure, every vertical beam 213 corresponds to a scraping teeth
222, and be slidably located in the cyclic structure of scraping teeth 222.
Intercept grid 2 described in above-described embodiment to be made of stainless steel material, stainless steel material is corrosion-resistant, service life
It is long.
The lifting gear 3 for being placed in and intercepting the top of grid 2 is further included in above-described embodiment, the lifting gear 3 includes winding
Roller 31, steel wire rope 32 and driving mechanism 33, the winding roller 31 are connected by steel wire rope 32 with the second grid 22, the winding roller
The second grid 22 is lifted or put down in 31 rotary courses, the driving mechanism 33 drives winding roller 31 to be revolved forward or backwards
Turn, the connection relation of winding roller, steel wire rope and driving mechanism belongs to the known normal of those skilled in the art in specific lifting gear
Know, therefore not to repeat here.
As shown in fig. 7, driving mechanism described in above-described embodiment (33) includes motor (332) and reduction box (331), it is described
Drive end connection reduction box (331) input terminal of motor (332), reduction box (331) output terminal pass through with winding roller (31)
Gear drive connects.
As shown in figure 8, further including control module 4 in above-described embodiment, the motor 332 is electrically connected with control module 4, institute
4 external power supply of control module is stated, the control module 4 controls the working status of the working status, wherein motor 332 of motor 332
Including shutting down, start operating, and starting operating includes Positive work and antiport.
Sensing device 5 is further included in above-described embodiment, the sensing device 5 includes upper liquid level gauge 51 and lower liquid level gauge 52,
The upper liquid level gauge 51 and lower liquid level gauge 52 are arranged in grid pond 1, and respectively in front of the second grid 22 and upper and lower successively
It is spaced apart, the upper liquid level gauge 51 and lower liquid level gauge 52 are electrically connected with control module 4 respectively, and by the front of the second grid 22
Liquid level information sends control module 4 to, and the working status of motor 332 is controlled by control module 4.If wherein upper 51 He of liquid level gauge
Lower liquid level gauge 52 does not sense that liquid level information represents, is not blocked in grid pond, drainage flow is smooth.
The warning device 6 for reminding maintenance personnel's grid pond 1 to block, the warning device are further included in above-described embodiment
6 are electrically connected with control module 4, and the control module 4 controls warning device 6 to alarm according to the information of upper liquid level gauge 51.
Warning device 6 described in above-described embodiment includes loudspeaker and warning light, the loudspeaker and warning light with control
Molding block 4 is electrically connected, and the loudspeaker is to make a sound alarm, and the warning light is sending light warning.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within new spirit and principle, any modification, equivalent replacement, improvement and so on, should be included in the guarantor of the utility model
Within the scope of shield.
Claims (12)
- A kind of 1. sewage integrated treatment device, it is characterised in that including blowdown pipe network and grid pond (1), the grid pond (1) Underground is embedded in, its inner hollow and upper end opening, its openend are connected with earth's surface, are set on the side wall of grid pond (1) side Entrance (11) is equipped with, opposite side side wall is equipped with outlet (12), and the entrance (11) of the grid pond (1) connects with the blowdown pipe network of upstream Connect and connect, the outlet (12) of the grid pond (1) and the blowdown pipe network in downstream are connected to and in communication with, and are set in the grid pond (1) There is to intercept the interception grid (2) of the dregs in blowdown pipe network.
- 2. sewage integrated treatment device according to claim 1, it is characterised in that the interception grid (2) includes the One grid (21) and the second grid (22), first grid (21) is inclined in the grid pond (1), and the upper end court To the grid pond (1) to opposite side sidewall slope, second grid (22) is arranged in parallel in the first grid (21) and deviates from institute The side of outlet (12) is stated, and can be slided up and down relative to the first grid (21), the second grid (22) lower end is away from described The side of first grid (21) extends horizontally forward to be equipped with drags for slag net to be purged the dregs in grid pond (1) (221)。
- 3. sewage integrated treatment device according to claim 2, it is characterised in that open described slag net (221) upper end of dragging for Mouthful, and the equivalent width of its width and the second grid (22), its both sides are concordant with the both sides of the second grid (22) respectively.
- 4. sewage integrated treatment device according to claim 3, it is characterised in that first grid (21) includes more The vertical beam (213) that root is obliquely installed and is parallel to each other, the upper end of the every vertical beam (213) are pacified towards the grid pond (1) Sidewall slope equipped with outlet (12), the upper end of the more vertical beams (213) are connected admittedly by horizontally disposed upper beam (211) Fixed, lower end is connected by horizontally disposed bottom end rail (212) and fixed, the two neighboring vertical beam (213) and upper beam (211) and Infiltration gap is formed between bottom end rail (212).
- 5. sewage integrated treatment device according to claim 4, it is characterised in that the lower end of second grid (22) It is horizontal equipped with the multiple and described infiltration one-to-one scraping teeth in gap (222) close to the side of first grid (21), it is described The one end of scraping teeth (222) away from the second grid (22) is all extended in the corresponding infiltration gap, second grid (22) The scraping teeth (222) can be driven to be moved up and down relative to first grid (21), and strike off the adhesion in the infiltration gap Thing.
- 6. sewage integrated treatment device according to claim 5, it is characterised in that multiple scraping teeth (222) are remote One end of second grid (22) both passes through the corresponding infiltration gap, and passes through a horizontally disposed gag lever post (223) it is fixedly connected.
- 7. sewage integrated treatment device according to claim 6, it is characterised in that further include and be placed in interception grid (2) The lifting gear (3) of top, the lifting gear (3) includes winding roller (31), steel wire rope (32) and driving mechanism (33), described Winding roller (31) is connected by steel wire rope (32) with the upper end of the second grid (22), by winding roller (31) rotary course Two grids (22) lift or put down, and driving mechanism (33) the driving winding roller (31) is rotated forward or backwards.
- 8. sewage integrated treatment device according to claim 7, it is characterised in that the driving mechanism (33) includes electricity Machine (332) and reduction box (331), drive end connection reduction box (331) input terminal of the motor (332), the reduction box (331) output terminal is connected with winding roller (31) by gear drive.
- 9. sewage integrated treatment device according to claim 8, it is characterised in that control module (4) is further included, it is described Motor (332) is electrically connected with control module (4), control module (4) external power supply, and the control module (4) controls motor (332) working status.
- 10. sewage integrated treatment device according to claim 9, it is characterised in that further include sensing device (5), institute Stating sensing device (5) includes upper liquid level gauge (51) and lower liquid level gauge (52), and the upper liquid level gauge (51) and lower liquid level gauge (52) are set It is placed in grid pond (1), and deviates from the side of the first grid (21) positioned at the second grid (22) respectively, and is spaced apart up and down, The upper liquid level gauge (51) and lower liquid level gauge (52) are electrically connected with control module (4) respectively, and by front of the second grid (22) Liquid level information sends control module (4) to, and by the working status of control module (4) control motor (332).
- 11. according to sewage integrated treatment device according to claim 10, it is characterised in that further include to remind dimension The warning device (6) that shield personnel grid pond (1) blocks, the warning device (6) are electrically connected with control module (4), the control Module (4) controls warning device (6) to alarm according to the information of upper liquid level gauge (51).
- 12. according to sewage integrated treatment device according to claim 11, it is characterised in that the warning device (6) Including loudspeaker and warning light, the loudspeaker and warning light are electrically connected with control module (4), and the loudspeaker is sending Audible alarm, the warning light is sending light warning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721074607.XU CN207267811U (en) | 2017-08-25 | 2017-08-25 | A kind of sewage integrated treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721074607.XU CN207267811U (en) | 2017-08-25 | 2017-08-25 | A kind of sewage integrated treatment device |
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| Publication Number | Publication Date |
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| CN207267811U true CN207267811U (en) | 2018-04-24 |
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ID=61961527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201721074607.XU Active CN207267811U (en) | 2017-08-25 | 2017-08-25 | A kind of sewage integrated treatment device |
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| CN (1) | CN207267811U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107601589A (en) * | 2017-08-25 | 2018-01-19 | 中石化川气东送天然气管道有限公司 | A kind of sewage integrated treatment device |
| CN112915607A (en) * | 2021-01-25 | 2021-06-08 | 中国一冶集团有限公司 | Flat plate grid with slag removal module |
-
2017
- 2017-08-25 CN CN201721074607.XU patent/CN207267811U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107601589A (en) * | 2017-08-25 | 2018-01-19 | 中石化川气东送天然气管道有限公司 | A kind of sewage integrated treatment device |
| CN112915607A (en) * | 2021-01-25 | 2021-06-08 | 中国一冶集团有限公司 | Flat plate grid with slag removal module |
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Effective date of registration: 20200909 Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Co-patentee after: SINOPEC CHUANQI DONGSONG NATURAL GAS PIPELINE Co.,Ltd. Patentee after: China Petroleum & Chemical Corp. Address before: 430223 Hubei Wuhan City, Wuhan City, East Lake New Technology Development Zone Optics Valley Avenue No. 126 Sichuan Gas East pipeline project, the 1-5 layer of the Wuhan control center Patentee before: SINOPEC CHUANQI DONGSONG NATURAL GAS PIPELINE Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 22, Chaoyangmen North Street, Chaoyang District, Beijing 100728 Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Patentee after: Sichuan East Natural Gas Pipeline Co.,Ltd. Address before: No. 22, Chaoyangmen North Street, Chaoyang District, Beijing 100728 Patentee before: CHINA PETROLEUM & CHEMICAL Corp. Patentee before: SINOPEC CHUANQI DONGSONG NATURAL GAS PIPELINE Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20211110 Address after: Room 08-10, 6 / F, block a, No. 5, Dongtucheng Road, Chaoyang District, Beijing 100013 Patentee after: National Petroleum and natural gas pipeline network Group Co.,Ltd. Patentee after: Sichuan East Natural Gas Pipeline Co.,Ltd. Address before: No. 22, Chaoyangmen North Street, Chaoyang District, Beijing 100728 Patentee before: CHINA PETROLEUM & CHEMICAL Corp. Patentee before: Sichuan East Natural Gas Pipeline Co.,Ltd. |