CN211006955U - Wastewater discharge system - Google Patents
Wastewater discharge system Download PDFInfo
- Publication number
- CN211006955U CN211006955U CN201921900016.2U CN201921900016U CN211006955U CN 211006955 U CN211006955 U CN 211006955U CN 201921900016 U CN201921900016 U CN 201921900016U CN 211006955 U CN211006955 U CN 211006955U
- Authority
- CN
- China
- Prior art keywords
- pipe
- waste water
- inner pipe
- wastewater
- discharge system
- 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.)
- Active
Links
- 239000002351 wastewater Substances 0.000 title claims abstract description 73
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 239000002699 waste material Substances 0.000 claims abstract description 6
- 238000007599 discharging Methods 0.000 claims abstract description 5
- 238000007689 inspection Methods 0.000 claims description 33
- 238000001514 detection method Methods 0.000 claims description 27
- 238000007789 sealing Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 238000005260 corrosion Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000011150 reinforced concrete Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 3
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 10
- 229920001903 high density polyethylene Polymers 0.000 description 8
- 239000004700 high-density polyethylene Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 231100000614 poison Toxicity 0.000 description 4
- 231100000331 toxic Toxicity 0.000 description 4
- 230000002588 toxic effect Effects 0.000 description 4
- 239000010891 toxic waste Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 241000282414 Homo sapiens Species 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 239000010425 asbestos Substances 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052895 riebeckite Inorganic materials 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000007096 poisonous effect Effects 0.000 description 2
- 239000003440 toxic substance Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Sink And Installation For Waste Water (AREA)
Abstract
The utility model provides a wastewater discharge system, which comprises a drainage pipe system; the drain pipe system includes: an inner tube, an outer tube and a stent; the inner pipe is used for conveying and discharging waste water or waste liquid; the outer pipe is sleeved outside the inner pipe and is used for receiving leakage waste water flowing out when the inner pipe leaks; the support sets up be used for supporting in the outer tube the inner tube, the inner tube passes through the support supports the back of suspending, forms in the outer tube and below the inner tube and is convenient for seepage liquid runner that seepage waste water smoothly flows. The utility model discloses simple structure, construction convenience can in time discover the seepage problem, can guarantee maintainer life safety simultaneously, has simultaneously and lays in a flexible way, cost low grade advantage.
Description
Technical Field
The utility model belongs to the technical field of industrial waste water drainage technique and specifically relates to a wastewater discharge system is related to.
Background
Due to the particularity of production projects in the aerospace field, the production wastewater often contains toxic and harmful substances such as strong acid, strong base, heavy metal, cyanide and the like. At present, people pay attention to the collection, treatment and standard reaching or recycling of production wastewater, but neglect the special practice of the outdoor pipeline of the toxic and harmful production wastewater. Once the outdoor pipeline is corroded and leaked, the ecological environment and the human health are seriously harmed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a waste water discharge system to solve at least one above-mentioned technical problem who exists among the prior art.
In order to solve the above technical problem, the utility model provides a pair of wastewater discharge system, include: a drain piping system;
the drain pipe system includes: an inner tube, an outer tube and a stent;
the inner pipe is used for conveying and discharging waste water or waste liquid;
the outer pipe is sleeved outside the inner pipe and is used for receiving leakage waste water flowing out when the inner pipe leaks;
the support sets up be used for supporting in the outer tube the inner tube, the inner tube passes through the support supports the back of suspending, forms in the outer tube and below the inner tube and is convenient for seepage liquid runner that seepage waste water smoothly flows.
The utility model discloses establish the support between inner tube and outer tube and support, neither influence the seepage liquid and flow between the inside and outside wall, can increase the intensity of drain pipe again, still can reduce the pipe diameter of drain pipe outer tube, be exclusively used in and bury ground and carry media such as poisonous and harmful waste water of production.
Further, the inner pipe is a HDPE pipe made of high density polyethylene;
and/or the outer pipe is an HDPE pipe made of high-density polyethylene or a metal pipe (such as an aluminum alloy pipe or a stainless steel pipe) subjected to corrosion prevention treatment.
Further, a plurality of the supports are arranged at intervals in the wastewater conveying direction.
Further, the device also comprises an inspection well; the inspection wells are arranged at intervals along the conveying path of the wastewater; the drainage pipe system sequentially passes through a plurality of inspection wells.
In order to facilitate description, the waste water is divided into first-class waste water and second-class waste water, and the first-class waste water is harmful waste water containing acid, alkali or metal and the like; the second type of wastewater is toxic wastewater containing toxic substances such as cyanogen and the like. Among them, the toxic waste water is more harmful to human beings than the harmful waste water.
Further, the drain piping comprises a type of drain piping for conveying a type of waste water to be discharged;
the one type of drain pipe system includes a first inner pipe and a first outer pipe;
the first outer pipe is provided with a liquid outlet in the inspection well or is disconnected and used for guiding the leakage wastewater into the inspection well.
Furthermore, the first inner pipe is provided with a detection port in the inspection well, and a sealing cover body is arranged on the detection port.
When leakage occurs in the pipeline, the leaked waste liquid flows into the inspection well along the outer pipe. The maintainer only needs to open the well lid, can look over whether the pipeline takes place the seepage.
Further, be provided with the first detection cable that is used for detecting whether there is seepage waste water in the inspection shaft.
Further, the drain piping comprises a type II drain piping for transporting type II waste water;
the second type of drain pipe system comprises a second inner pipe and a second outer pipe;
the second inner pipe is arranged on the conveying path in a sealing mode in the whole process, and/or the second outer pipe is arranged on the conveying path in a sealing mode in the whole process.
Further, the second type of drain pipe system further comprises a second detection cable arranged in the second outer pipe for monitoring whether the second inner pipe leaks or not;
the second detection cable is laid on the outer wall of the second inner pipe (preferably at the bottom or below the outer wall of the second inner pipe) along the wastewater conveying path or laid in the leakage liquid flow channel.
The first detection cable and the second detection cable are connected with equipment monitoring equipment such as a detector, when leakage occurs, the leakage liquid reacts with the detection cable, and the position of the leakage can be judged through the detector. The principle is to use leakage substance to cause short circuit of cable or use leakage substance to cause change of characteristic impedance of cable so as to detect leakage and alarm.
Aiming at the toxic waste water containing cyanogen and the like, the second type of drainage pipe system is in a full-closed form, and an indoor discharge port is provided with a filtering device such as a fine grid and the like to intercept large solid impurities. And a leakage detection system is arranged, when the pipeline leaks, the detection system can give an alarm, and the position where the leakage occurs can be detected.
Further, the second inner pipe is provided with a filter screen or a filter grid for intercepting solid impurities at an inlet.
The inner pipe and the outer pipe are respectively formed by splicing an inner pipe section and an outer pipe section, the inner pipe section extends out of the outer pipe section at the joint, the inner pipe section is connected firstly and then the outer pipe section are connected, and the connection mode between two adjacent inner pipe sections or between the outer pipe sections can adopt hot melt connection, electric melting connection, rubber ring sealing connection and the like; in addition, the adjacent two outer pipe sections can be connected by a clamping hoop.
More preferably, after the two adjacent outer pipe sections are butted, the joint is sealed by asbestos cement.
Further, the interval between two adjacent inspection wells is 20-500 meters.
Furthermore, the inspection well is made of reinforced concrete materials, and an anti-corrosion and anti-seepage layer is arranged inside the inspection well; the mouth of inspection shaft is followed the department and is set gradually first sealed well lid and the sealed well lid of second. The inspection well adopts double-deck airtight well lid, can effectively avoid during rainwater flows into the well, causes the erroneous judgement that the pipeline leaked.
Adopt above-mentioned technical scheme, the utility model discloses following beneficial effect has:
the utility model provides a pair of wastewater discharge system, simple structure, construction convenience can in time discover the seepage problem, can guarantee maintainer life safety simultaneously, has simultaneously and lays in a flexible way, cost low grade advantage.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments or the description in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a drain pipe system according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an embodiment of a bracket according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a drain system in an alternative embodiment of the present invention;
FIG. 4 is a schematic structural view of another embodiment of a bracket according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an inspection well according to an embodiment of the present invention.
Reference numerals:
10-an outer tube; 11-a first outer tube; 20-inner tube; 21-a first inner tube; 21 a-a detection port; 30-a leakage liquid flow channel; 40-a scaffold; 41-inner ring; 42-an outer ring; 43-spoke bars; 44-inner support arc; 45-left outer support arc; 46-right outer support arc; 47-support spokes; 50-inspection well; 51-a first sealed well lid; 52-a second sealed well cover; 60-asbestos cement.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be further explained with reference to specific embodiments.
As shown in fig. 1, the present embodiment provides a wastewater discharge system including: a drain piping system; the drain piping system includes: inner tube 20, outer tube 10 and stent 40;
the inner pipe 20 is used for conveying and discharging waste water or waste liquid; the outer pipe 10 is sleeved outside the inner pipe 20 and is used for receiving leakage waste water flowing out when the inner pipe 20 leaks;
the bracket 40 is disposed in the outer pipe 10 for supporting the inner pipe 20, and after the inner pipe 20 is suspended by the bracket 40, a leakage liquid flow passage 30 for allowing leakage waste water to flow smoothly is formed in the outer pipe 10 and below the inner pipe 20.
The utility model discloses establish support 40 between inner tube 20 and outer tube 10 and support, neither influence the seepage liquid and flow between the inside and outside wall, can increase the intensity of drain pipe again, still can reduce the pipe diameter of drain pipe outer tube, be exclusively used in and bury ground and carry media such as poisonous and harmful waste water.
The inner tube 20 is a HDPE tube made of high density polyethylene;
the inner pipe, the outer pipe and the bracket in this embodiment may be integrally made of high density polyethylene in a factory, and the drainage pipe is a HDPE sleeve.
The support structure of the support is uniformly or symmetrically arranged around the circumference of the inner pipe or the outer pipe, and the inner pipe and the outer pipe form a mutual support structure through the support, so that the rigidity and the strength of the whole drainage pipe system are improved, and the support is not easy to damage.
Of course, the inner pipe, the outer pipe and the bracket can also be manufactured in a split mode and constructed in a field assembly mode. Preferably, as shown in fig. 2, the bracket 40 includes an inner ring 41 and an outer ring 42, and a spoke rod 43 disposed between the inner ring and the outer ring, the inner ring has an inner diameter adapted to the outer diameter of the inner tube, the outer diameter of the outer ring is adapted to the inner diameter of the outer tube, during construction, the inner tube is inserted into the inner ring and then extended into the outer tube, and the bracket is pushed into the outer tube by a tool, so that the construction is simple, convenient and quick, meanwhile, the interval of the bracket can be flexibly adjusted as required, the concentric arrangement of the inner tube and the outer tube is ensured by the structure of the bracket, and the rigidity and the supporting strength between the inner tube.
Or more preferably, the stand 40 takes the form of a bracket that is bilaterally symmetrical, as shown in fig. 3. As shown in fig. 4, the stent comprises, in a projection plane perpendicular to the axis of the inner tube: an inner supporting arc 44, a left outer supporting arc 45 and a right outer supporting arc 46 which are arranged in bilateral symmetry; support spokes 47 are provided between the inner support arc 44 and the left outer support arc 45, and between the inner support arc 44 and the right outer support arc 46. In the circumferential direction of the inner pipe, the left outer support arc 45 and the right outer support arc 46 are arranged at intervals, and the permeate flow passage 30 is arranged in the interval between the left outer support arc 45 and the right outer support arc 46. The bracket in the bracket form is simpler to lay and higher in construction efficiency, and more importantly, the bracket is discontinuous at a penetrating fluid flow passage, so that the obstruction of penetrating fluid flow is eliminated, and the bracket is beneficial to early discovery when tiny leakage occurs in an inner pipe.
As shown in fig. 5, the present embodiment further includes a manhole 50; a plurality of inspection wells 50 are arranged at intervals along the conveying path of the wastewater; the drain piping passes through several inspection wells 50 in sequence.
In order to facilitate description, the waste water is divided into first-class waste water and second-class waste water, and the first-class waste water is harmful waste water containing acid, alkali or metal and the like; the second type of wastewater is toxic wastewater containing toxic substances such as cyanogen and the like. Among them, the toxic waste water is more harmful to human beings than the harmful waste water. The drain piping system is classified into: the drainage system comprises a first drainage system for conveying and discharging first-class wastewater and a second drainage system for conveying second-class wastewater.
As shown in fig. 5, one type of drain pipe system includes a first inner pipe 21 and a first outer pipe 11; the first outer pipe 11 is provided with a drain port in the inspection shaft 50, or is provided in a disconnected state, for introducing the leakage waste water into the inspection shaft 50. The first inner tube 21 is provided with a detection port 21a in the inspection well 50, and a seal cover is provided on the detection port 21 a.
When a leakage occurs in the pipe for harmful waste water not containing cyanogen, the leakage waste liquid flows into the inspection well 50 along the outer pipe 10. The maintainer only needs to open the well lid, can look over whether the pipeline takes place the seepage. A first detection cable for detecting whether there is leaked wastewater may be further provided in the manhole 50. Thereby realizing automatic detection.
And the second type of drain pipe system includes a second inner pipe and a second outer pipe; the second inner pipe is arranged on the conveying path in a sealing mode in the whole process, and/or the second outer pipe is arranged on the conveying path in a sealing mode in the whole process. The second type of drain pipe system also comprises a second detection cable which is arranged in the second outer pipe and used for monitoring whether the second inner pipe leaks or not; the second detection cable is laid on the outer wall of the second inner pipe (preferably at the bottom or below the outer wall of the second inner pipe) along the wastewater conveying path or in the leakage liquid flow channel.
The first detection cable and the second detection cable are connected with equipment monitoring equipment such as a detector, when leakage occurs, the leakage liquid reacts with the detection cable, and the position of the leakage can be judged through the detector. The principle is to use leakage substance to cause short circuit of cable or use leakage substance to cause change of characteristic impedance of cable so as to detect leakage and alarm.
Aiming at the toxic waste water containing cyanogen and the like, the second type of drainage pipe system is in a full-closed form, and an indoor discharge port is provided with a filtering device such as a fine grid and the like to intercept large solid impurities. And a leakage detection system is arranged, when the pipeline leaks, the detection system can give an alarm, and the position where the leakage occurs can be detected. The second inner tube is provided with a screen or a filter grid at the inlet for intercepting solid impurities.
The inner pipe 20 and the outer pipe 10 are respectively formed by splicing an inner pipe 20 section and an outer pipe 10 section, the inner pipe 20 section extends out of the outer pipe 10 section at the joint, the inner pipe 20 section is connected firstly when the connection is carried out, then the outer pipe 10 section is connected, and the connection mode between two adjacent inner pipe 20 sections or the outer pipe 10 sections can adopt hot melt connection, electric melting connection, rubber ring sealing connection and the like; in addition, a clamping connection can be adopted between two adjacent outer pipe 10 sections. More preferably, as shown in fig. 5, after the abutting of two adjacent outer pipe sections 10, the joint is sealed with asbestos cement 60.
The interval between two adjacent inspection wells 50 is set according to actual needs, and is preferably 20-500 meters.
The inspection well 50 is made of reinforced concrete materials, and an anti-corrosion and anti-seepage layer is arranged inside the inspection well 50; the inspection well 50 is provided with a first sealing well cover 51 and a second sealing well cover 52 at the opening edge in sequence. The inspection well 50 adopts a double-layer closed well cover, so that the misjudgment of pipeline leakage caused by rainwater flowing into the well can be effectively avoided.
The utility model provides a pair of wastewater discharge system, simple structure, construction convenience can in time discover the seepage problem, can guarantee maintainer life safety simultaneously, has simultaneously and lays in a flexible way, cost low grade advantage.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A wastewater discharge system, comprising: a drain piping system;
the drain pipe system includes: an inner tube, an outer tube and a stent;
the inner pipe is used for conveying and discharging waste water or waste liquid;
the outer pipe is sleeved outside the inner pipe and is used for receiving leakage waste water flowing out when the inner pipe leaks;
the support sets up be used for supporting in the outer tube the inner tube, the inner tube passes through the support supports the back of suspending, forms in the outer tube and below the inner tube and is convenient for seepage liquid runner that seepage waste water smoothly flows.
2. The waste water discharge system as claimed in claim 1, wherein a plurality of the racks are arranged at intervals in a waste water conveying direction.
3. The wastewater discharge system of claim 1, further comprising a manhole; the inspection wells are arranged at intervals along the conveying path of the wastewater; the drainage pipe system sequentially passes through a plurality of inspection wells.
4. The waste water discharge system as claimed in claim 3, wherein said drain piping comprises a type of drain piping for conveying a type of waste water to be discharged;
the one type of drain pipe system includes a first inner pipe and a first outer pipe;
the first outer pipe is provided with a liquid outlet in the inspection well or is disconnected and used for guiding the leakage wastewater into the inspection well.
5. The wastewater discharge system of claim 4, wherein the first inner pipe is provided with a detection port in the inspection well, and a sealing cover is provided on the detection port.
6. The wastewater discharge system of claim 4, wherein a first detection cable is provided in the manhole for detecting whether there is leaked wastewater.
7. The waste water discharge system as claimed in claim 1, wherein the drain piping comprises a type two drain piping for transporting type two waste water;
the second type of drain pipe system comprises a second inner pipe and a second outer pipe;
the second inner pipe is arranged on the conveying path in a sealing mode in the whole process, and/or the second outer pipe is arranged on the conveying path in a sealing mode in the whole process.
8. The waste water drainage system of claim 7, wherein the type two drain pipe system further comprises a second detection cable disposed inside the second outer pipe for monitoring whether the second inner pipe leaks;
the second detection cable is laid on the outer wall of the second inner pipe along the wastewater conveying path or laid in the leakage liquid flow channel.
9. The wastewater discharge system according to claim 7, wherein the second inner pipe is provided at an inlet with a screen or a filtering grid for intercepting solid impurities.
10. The wastewater discharge system according to claim 3, wherein said inspection shaft is made of reinforced concrete material, inside which an anti-corrosion and anti-seepage layer is provided; the mouth of inspection shaft is followed the department and is set gradually first sealed well lid and the sealed well lid of second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921900016.2U CN211006955U (en) | 2019-11-06 | 2019-11-06 | Wastewater discharge system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921900016.2U CN211006955U (en) | 2019-11-06 | 2019-11-06 | Wastewater discharge system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211006955U true CN211006955U (en) | 2020-07-14 |
Family
ID=71467691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921900016.2U Active CN211006955U (en) | 2019-11-06 | 2019-11-06 | Wastewater discharge system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211006955U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110670697A (en) * | 2019-11-06 | 2020-01-10 | 航天建筑设计研究院有限公司 | Wastewater discharge system |
-
2019
- 2019-11-06 CN CN201921900016.2U patent/CN211006955U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110670697A (en) * | 2019-11-06 | 2020-01-10 | 航天建筑设计研究院有限公司 | Wastewater discharge system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211006955U (en) | Wastewater discharge system | |
| CN205530658U (en) | Drainage pipe maintains detecting device | |
| CN214427419U (en) | A groundwater stratification monitoring well | |
| CN108223850A (en) | A kind of water seal back purge system and water seal arrangement | |
| CN110670697A (en) | Wastewater discharge system | |
| CN207260284U (en) | One kind shunting anti-blockage type road drainage pipeline | |
| CN103806604A (en) | Method for constructing siphon type hanging pipe rain water system | |
| CN206778011U (en) | Vortex dirt-remover and decontamination apparatus | |
| CN215489137U (en) | Underground gas polyethylene pipeline inspection port | |
| CN112066083B (en) | Integrated gas-guiding and liquid-draining device and method for rigid landfill | |
| CN205580561U (en) | Input type level sensor protection device suitable for monitoring of sewage water level | |
| CN213422986U (en) | Industrial pipeline welding seam detection device | |
| CN205348353U (en) | Sewage vacuum collection processing system | |
| CN209907552U (en) | An environmental protection device for road drainage and decontamination in civil engineering | |
| CN212984029U (en) | Well cover of water source well | |
| CN114733253A (en) | Structure and method for reducing dangerous medium leakage of filter | |
| CN219912702U (en) | Pipeline for preventing industrial wastewater from leaking | |
| CN207314678U (en) | It is a kind of easily to replace storm sewer | |
| CN219030589U (en) | Waste gas and waste liquid collecting system for recycling chemical barrels | |
| CN211781178U (en) | Chimney dewfall collection device and chimney structure assembly | |
| CN221171839U (en) | Multilayer steel-plastic integrated composite pipe | |
| CN213812667U (en) | Prevent calorimeter structure that scale deposit blockked up | |
| CN216346857U (en) | Air supply outlet capable of being detected on line | |
| CN209669923U (en) | One kind guarding waterproof construction based on architecture information underground pipe gallery | |
| CN214662580U (en) | Pipeline and ground junction antiseep structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |