CN110689989A - Multifunctional glass fiber reinforced plastic liquid collection well - Google Patents
Multifunctional glass fiber reinforced plastic liquid collection well Download PDFInfo
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- CN110689989A CN110689989A CN201910931101.3A CN201910931101A CN110689989A CN 110689989 A CN110689989 A CN 110689989A CN 201910931101 A CN201910931101 A CN 201910931101A CN 110689989 A CN110689989 A CN 110689989A
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- glass fiber
- fiber reinforced
- reinforced plastic
- hose
- collecting tank
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- 239000007788 liquid Substances 0.000 title claims abstract description 73
- 239000011152 fibreglass Substances 0.000 title claims abstract description 27
- 238000007689 inspection Methods 0.000 claims abstract description 7
- 230000008054 signal transmission Effects 0.000 claims description 17
- 230000001681 protective effect Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 20
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 241000282326 Felis catus Species 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002901 radioactive waste Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
- G21F9/04—Treating liquids
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/003—Remote inspection of vessels, e.g. pressure vessels
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/06—Devices or arrangements for monitoring or testing fuel or fuel elements outside the reactor core, e.g. for burn-up, for contamination
- G21C17/07—Leak testing
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F5/00—Transportable or portable shielded containers
- G21F5/002—Containers for fluid radioactive wastes
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
- G21F9/04—Treating liquids
- G21F9/20—Disposal of liquid waste
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
- G21F9/04—Treating liquids
- G21F9/20—Disposal of liquid waste
- G21F9/22—Disposal of liquid waste by storage in a tank or other container
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Plasma & Fusion (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- General Physics & Mathematics (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The invention discloses a multifunctional glass fiber reinforced plastic liquid collecting well which comprises a barrel, wherein a hole for a conveying pipe to pass through is formed in the barrel, a collecting tank for collecting leaked liquid and a hose for connecting the collecting tank and the conveying pipe are arranged in the barrel. The liquid collecting well integrates the functions of collecting waste liquid, on-line monitoring, system power supply, electronic component replacement, inspection and maintenance, and is safe and efficient.
Description
Technical Field
The invention relates to a liquid collecting well, in particular to a multifunctional glass fiber reinforced plastic liquid collecting well for collecting waste liquid during nuclear waste treatment.
Background
In the treatment of nuclear waste, large volumes of highly radioactive waste liquid are produced which need to be transported over long distances to specialized sewage treatment plants for special treatment. When the high-radioactivity waste liquid is conveyed by a pipeline, once leakage occurs, soil and environment are seriously polluted, and the leakage cannot be monitored in real time in time.
Therefore, a need exists for a safe and reliable multi-functional liquid collection device that can collect the leaked waste liquid.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide a multifunctional glass fiber reinforced plastic liquid collecting well which can safely and efficiently collect waste liquid leaked from a conveying pipeline, has a real-time monitoring function and is safe and convenient.
The technical scheme is as follows: the multifunctional glass fiber reinforced plastic liquid collecting well comprises a barrel, wherein a hole for a conveying pipe to pass through is formed in the barrel, and a collecting tank and a hose are arranged in the barrel and used for collecting leaked liquid. The barrel adopts glass steel material for the conveyer pipe of carrying the waste liquid passes the barrel to through the connection of hose, can be with the waste liquid water conservancy diversion of seepage to the holding vessel in. The hose is hermetically connected with the conveying pipe and the collecting tank. The hose may be a PE hose or other hoses known in the art.
Preferably, the connection of the collection tank to the hose is detachable. The collecting tank is used for storing leaked waste liquid and can be detached, and the collecting tank is convenient to lift out.
Preferably, a collecting tank is arranged at the bottom in the cylinder body, and the collecting tank is arranged in the collecting tank. When the delivery pipe leaks too much liquid, the liquid in the collection tank overflows into the collection tank. After the collecting tank is lifted out, the waste liquid can be pumped out by a submersible pump, so that the device is safe and environment-friendly.
Furthermore, the device also comprises a collector and a power supply and signal transmission device; a sensor used for sensing liquid is arranged in the collector and is connected with a power supply and signal transmission device; the hoses comprise a first hose and a second hose; one end of the first hose is hermetically connected with the collector, and the other end of the first hose is hermetically connected with a liquid outlet of the conveying pipe; one end of the second hose is connected with the collector in a sealing way, and the other end of the second hose is connected with the collecting tank in a sealing way. The power supply and signal transmission device is used for power supply and signal transmission of the sensor in the collector, the sensor can rapidly sense leakage liquid and send out an alarm signal, and the signal is transmitted to the central control room through the transmission device, so that an operator can find leakage at the first time and stop conveying in time, and the leakage amount is prevented from being enlarged.
Preferably, the power supply and signal transmission means is located higher than the delivery pipe. The device can be ensured not to be soaked by waste liquid and power off or not to be transmitted by signals, and the power supply and the signal transmission are ensured to be normal.
Preferably, the sensor is in wired connection with the power supply and signal transmission device, and a glass fiber reinforced plastic cable protective sleeve is arranged on the connecting wire.
Preferably, the liquid collecting well further comprises a top cover, the top cover and the barrel are connected in a socket joint mode, and a single O-shaped rubber sealing ring is arranged between the top cover and the barrel. Not only can the top cover be lifted, but also the sealing effect of the liquid collecting well is ensured.
Preferably, the barrel top is equipped with the inspection opening, still is equipped with the cat ladder in the barrel, and inspection opening and cat ladder can be convenient for operating personnel to go into the well and look over the operating mode on the spot, carry out the collecting tank. An operation platform is arranged in the barrel, and the position of the operation platform is higher than that of the collecting tank, so that operators can be prevented from being soaked in waste liquid when the operators go into the well.
Preferably, the bottom of the liquid collecting well is provided with a configuration groove and a fixing device. The configuration groove can be fixed by filling cement (balance weight) on site; the fixing device may be fixed by anchor bolts. The configuration groove and the fixing device can prevent the cylinder from floating upwards.
Preferably, the inlet and the outlet of the connecting pipe on the cylinder body are both connected in a sealing manner by pasting the inner hand and the outer hand. The waste liquid can be prevented from leaking out of the liquid collecting well, and underground water can be prevented from entering the inside of the liquid collecting well.
The invention adopts the combination of a double-wall glass fiber reinforced plastic conveying pipe and a liquid collecting well made of glass fiber reinforced plastic materials, the conveying pipe adopts a double-wall structure of an inner pipe and an outer pipe, the inner pipe conveys waste liquid, and the outer pipe is provided with a liquid outlet; the conveyer pipe passes the inside of album liquid well, and collection tank sets up inside the collection liquid well, and collection tank and conveyer pipe sealing connection are connected with the leakage fluid dram promptly. When the conveying pipe leaks, the leaked liquid enters the collecting tank, and the environment pollution caused by direct discharge to the outside is avoided. And a sensor is also arranged in the liquid collecting well and used for detecting leaked liquid. When leakage occurs, the sensor can quickly detect the leakage and send out an alarm signal. The signal transmission device transmits the alarm signal to the central control room, so that an operator can find leakage in the first time and stop conveying in time, and the leakage amount is prevented from being enlarged.
When the leakage alarm device is used, a plurality of sections of conveying pipes can be connected, the liquid collecting well is configured according to a certain distance, and when leakage occurs, a leakage interval can be positioned according to a received alarm signal so as to be convenient for quick inspection and maintenance.
Has the advantages that: compared with the prior art:
(1) the inlets and outlets of all the connecting pipes of the liquid collecting well are sealed by hand inside and outside, so that the leakage of waste liquid can be prevented, and underground water can be prevented from entering the liquid collecting well;
(2) the collecting tank is arranged in the collecting tank, and when the leakage amount is too large, the collection of leaked liquid can be ensured; the positions of the power supply device, the signal transmission device, the operation platform and the like are arranged in height, so that the safety performance of the liquid collecting well is improved;
(3) the invention is combined with a plurality of connected conveying pipes for use, and can realize quick leak detection, quick alarm, timely disposal and interval positioning of leakage positions;
(4) the liquid collecting well integrates the functions of waste liquid collection, on-line monitoring, system power supply, signal transmission, electronic component replacement, inspection and maintenance, and is safe and efficient.
Drawings
FIG. 1 is a schematic perspective view of a multifunctional liquid-collecting well made of glass fiber reinforced plastic according to the present invention;
FIG. 2 is a front view of the multifunctional glass fiber reinforced plastic sump well;
FIG. 3 is a sectional view taken along the A-A plane of the front view of the multifunctional glass fiber reinforced plastic collector well;
fig. 4 is a right side view of the multifunctional glass fiber reinforced plastic sump well.
Detailed Description
As shown in FIGS. 1 to 4, the liquid collecting well is a cylindrical closed container made of glass fiber reinforced plastic. Including barrel 1, top cap 2 and barrel 1 adopt the socket joint to connect, are equipped with single O type rubber seal 15 between top cap 2 and the barrel 1 and seal, but are equipped with open-close formula inspection socket 3 on the top cap 2, and the bottom is equipped with fixing device 21 and configuration groove 9, can pass through rag bolt or to filling cement (counter weight) fixed barrel 1 in the configuration groove 9 to prevent the come-up.
The middle part of the barrel body 1 is provided with a hole for the conveying pipe 4 to pass through, a collecting tank 10 for collecting leaked liquid and a hose 11 for connecting the collecting tank 10 and the conveying pipe 4 are arranged in the barrel body, the hose 11 can be a PE pipe, and the collecting tank 10 is detachably connected with the hose 11; a collecting tank 20 is arranged at the bottom of the cylinder body 1, and the collecting tank 10 is arranged in the collecting tank 20; a ladder 14 and an overhauling platform 12 are arranged on one side inside the barrel 1, a guardrail 13 is arranged on the overhauling platform 12, and the ladder 14 and the overhauling platform 12 are both higher than the collecting tank 20. A collector platform 8 is also fixedly arranged in the barrel 1, a collector 7 is arranged on the collector platform 8, and the height of the collector platform 8 is higher than that of the collecting tank 20; an electric power (220V) interface and a grounding protection device are arranged in the liquid collecting well, a power supply and signal transmission device 19 is fixedly arranged on the upper part of the inner wall of the cylinder body 1, and the position of the power supply and signal transmission device 19 is higher than that of the conveying pipe 4; a sensor 17 is arranged in the collector 7, the sensor 17 is connected with a power supply and signal transmission device 19 by adopting a cable 5 and a signal wire 6, a hole for the cable 5 and the signal wire 6 to pass through is arranged on the collector 7, the cable 5 and the signal wire 6 pass through the collector 7 and then are sealed, so that the waste liquid is prevented from leaking, and a glass fiber reinforced plastic cable protective sleeve 18 is arranged outside the cable 5 and the signal wire 6; the hose 11 connecting the collecting tank 10 and the conveying pipe 4 comprises a first hose and a second hose, wherein the first hose is positioned at the upper part of the collector 7, and the second hose is positioned at the lower part of the collector 7; one end of the first hose is hermetically connected with the collector 7, the other end of the first hose is hermetically connected with the conveying pipe 4, and the first hose is provided with a valve 16; one end of the second hose is hermetically connected with the collector 7, the other end of the second hose is hermetically connected with the collecting tank 10, and the second hose is also provided with a valve. The inlet and outlet of the connecting pipe on the cylinder body 1 of the liquid collecting well are connected by hand paste and sealing.
When the multifunctional glass fiber reinforced plastic liquid collecting well is used, the conveying pipe 4 is of a double-wall structure of an inner pipe and an outer pipe and is made of glass fiber reinforced plastic. The inner pipe is used for conveying waste liquid, and the outer pipe is provided with a liquid outlet; after the liquid collecting well is installed in place, opening a hole on site, penetrating the conveying pipe 4 through the cylinder body 1, and then sealing and connecting by adopting an internal and external hand paste connection mode; an operator enters the barrel body 1, the liquid outlet of the conveying pipe 4 is hermetically connected with the first hose, the valve 16 is opened, the power supply of the sensor is connected, and whether the electronic components and the interfaces work normally is checked. When the conveying pipe 4 leaks, leaked liquid firstly enters the collector 7 and then flows into the collecting tank, so that the environmental pollution caused by direct discharge to the outside is avoided; when seepage liquid flows to collector 7 in, seepage liquid only need reach the high liquid level of 1 ~ 2mm, and sensor 17 is soaked promptly, can sense seepage liquid fast, sends alarm signal. After the alarm signal is transmitted to the central control room, an operator can find the alarm signal in the first time and stop conveying in time, so that the leakage is prevented from being enlarged. The maintainer can close valve 16 of leakage fluid dram lower part, carry out the collection tank 10 in the sump pit, pour the waste liquid, install again. If the leakage amount is large, the overflowed leakage liquid flows into the collecting tank 20, and the liquid can be pumped out by adopting the submersible pump after the collecting tank 10 is lifted out.
Claims (10)
1. The utility model provides a multi-functional glass steel liquid collecting well which characterized in that: the liquid leakage prevention device comprises a barrel body (1), wherein a hole for a conveying pipe (4) to penetrate through is formed in the barrel body (1), a collecting tank (10) for collecting leakage liquid and a hose (11) for connecting the collecting tank (10) and the conveying pipe (4) are arranged in the barrel body (1).
2. The multifunctional glass fiber reinforced plastic catch basin of claim 1, wherein: the collecting tank is characterized in that a collecting tank (20) is arranged at the bottom in the cylinder body (1), and the collecting tank (10) is arranged in the collecting tank (20).
3. The multifunctional glass fiber reinforced plastic catch basin of claim 1, wherein: the collecting tank (10) is detachably connected with the hose (11).
4. The multifunctional glass fiber reinforced plastic catch basin of claim 1, wherein: the device also comprises a collector (7) and a power supply and signal transmission device (19); a sensor (17) is arranged in the collector (7), and the sensor (17) is connected with a power supply and signal transmission device (19); the hose (11) comprises a first hose and a second hose, one end of the first hose is hermetically connected with the collector (7), and the other end of the first hose is hermetically connected with the conveying pipe (4); one end of the second hose is hermetically connected with the collector (7), and the other end of the second hose is hermetically connected with the collecting tank (10).
5. The multifunctional glass fiber reinforced plastic catch basin of claim 4, wherein: the power supply and signal transmission device (19) is positioned higher than the delivery pipe (4).
6. The multifunctional glass fiber reinforced plastic catch basin of claim 4, wherein: the sensor (17) is connected with the power supply and signal transmission device (19) by a wire, and a glass fiber reinforced plastic cable protective sleeve (18) is sleeved on the connecting wire.
7. The multifunctional glass fiber reinforced plastic catch basin of claim 1, wherein: still include top cap (2), top cap (2) and barrel (1) adopt socket joint to connect, are equipped with single O type rubber seal (15) between top cap (2) and barrel (1).
8. The multifunctional glass fiber reinforced plastic catch basin of claim 1, wherein: a ladder (14) is also arranged in the cylinder body (1), and the top of the cylinder body (1) is provided with an inspection opening (3); and an overhauling platform (12) is arranged in the liquid collecting well, and the position of the overhauling platform (12) is higher than that of the collecting tank (20).
9. The multifunctional glass fiber reinforced plastic catch basin of claim 1, wherein: the bottom of the liquid collecting well is provided with a configuration groove (9) and a fixing device (21).
10. The multifunctional glass fiber reinforced plastic catch basin of claim 1, wherein: the inlet and the outlet of the connecting pipe on the cylinder body (1) are hermetically connected by an internal hand paste and an external hand paste.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910931101.3A CN110689989A (en) | 2019-09-27 | 2019-09-27 | Multifunctional glass fiber reinforced plastic liquid collection well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910931101.3A CN110689989A (en) | 2019-09-27 | 2019-09-27 | Multifunctional glass fiber reinforced plastic liquid collection well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110689989A true CN110689989A (en) | 2020-01-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910931101.3A Pending CN110689989A (en) | 2019-09-27 | 2019-09-27 | Multifunctional glass fiber reinforced plastic liquid collection well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110689989A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3520863A1 (en) * | 1985-06-11 | 1986-12-11 | Miele & Cie GmbH & Co, 4830 Gütersloh | Safety device to protect against damage caused by leakage water in water-carrying domestic appliances |
| US5343738A (en) * | 1992-10-16 | 1994-09-06 | Furon Company | Double walled containment fuel transfer hose |
| US20040105758A1 (en) * | 2002-12-02 | 2004-06-03 | Ross Carl M. | Method and system for liquid leak detection, notification and removal |
| CN103603424A (en) * | 2013-12-16 | 2014-02-26 | 鹤山联塑实业发展有限公司 | Large-sized glass fiber-reinforced plastic inspection shaft with ladder stand |
| CN105275020A (en) * | 2014-07-07 | 2016-01-27 | 中石化洛阳工程有限公司 | Underground pipeline anti-leakage facility |
| US20170225982A1 (en) * | 2016-02-10 | 2017-08-10 | Grundfos Holding A/S | Unit for treating flowing liquid |
| CN108019621A (en) * | 2016-10-28 | 2018-05-11 | 宁波乐惠国际工程装备股份有限公司 | A kind of chemical leakage detection device |
| CN207375069U (en) * | 2017-09-21 | 2018-05-18 | 天津合佳威立雅环境服务有限公司 | A kind of automatic close-type dangerous liquid wastes collecting tank |
| CN208151457U (en) * | 2018-05-09 | 2018-11-27 | 长春黄金设计院有限公司 | Liquid collecting well in a kind of expensive liquid pool in dump leaching field |
| CN211264977U (en) * | 2019-09-27 | 2020-08-14 | 南京新核复合材料有限公司 | Multifunctional glass fiber reinforced plastic liquid collection well |
-
2019
- 2019-09-27 CN CN201910931101.3A patent/CN110689989A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3520863A1 (en) * | 1985-06-11 | 1986-12-11 | Miele & Cie GmbH & Co, 4830 Gütersloh | Safety device to protect against damage caused by leakage water in water-carrying domestic appliances |
| US5343738A (en) * | 1992-10-16 | 1994-09-06 | Furon Company | Double walled containment fuel transfer hose |
| US20040105758A1 (en) * | 2002-12-02 | 2004-06-03 | Ross Carl M. | Method and system for liquid leak detection, notification and removal |
| CN103603424A (en) * | 2013-12-16 | 2014-02-26 | 鹤山联塑实业发展有限公司 | Large-sized glass fiber-reinforced plastic inspection shaft with ladder stand |
| CN105275020A (en) * | 2014-07-07 | 2016-01-27 | 中石化洛阳工程有限公司 | Underground pipeline anti-leakage facility |
| US20170225982A1 (en) * | 2016-02-10 | 2017-08-10 | Grundfos Holding A/S | Unit for treating flowing liquid |
| CN108019621A (en) * | 2016-10-28 | 2018-05-11 | 宁波乐惠国际工程装备股份有限公司 | A kind of chemical leakage detection device |
| CN207375069U (en) * | 2017-09-21 | 2018-05-18 | 天津合佳威立雅环境服务有限公司 | A kind of automatic close-type dangerous liquid wastes collecting tank |
| CN208151457U (en) * | 2018-05-09 | 2018-11-27 | 长春黄金设计院有限公司 | Liquid collecting well in a kind of expensive liquid pool in dump leaching field |
| CN211264977U (en) * | 2019-09-27 | 2020-08-14 | 南京新核复合材料有限公司 | Multifunctional glass fiber reinforced plastic liquid collection well |
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