CN205398694U - Purification device is retrieved to useless mercury - Google Patents
Purification device is retrieved to useless mercury Download PDFInfo
- Publication number
- CN205398694U CN205398694U CN201620206702.XU CN201620206702U CN205398694U CN 205398694 U CN205398694 U CN 205398694U CN 201620206702 U CN201620206702 U CN 201620206702U CN 205398694 U CN205398694 U CN 205398694U
- Authority
- CN
- China
- Prior art keywords
- liquid storage
- storage mechanism
- useless
- hydrargyrum
- fixed
- 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.)
- Withdrawn - After Issue
Links
Classifications
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Abstract
The utility model discloses a purification device is retrieved to useless mercury, include that control mechanism, sieving machine construct and filter stock solution mechanism, adjust through the combinatorial sum that the useless mercury solution of can purifing reduces the poisonous discarded object of production, has reduced the stock -sales ratio of dangerous discarded object, reduces the experimental material cost, has improved the rate of utilization of mercury, break through traditional purification method, do not need organic solvent, high temperature or low -temperature operation, extended purification method, adopting high strength polytetrafluoroethylene plastic, guaranteed support intensity, and high strength polytetrafluoroethylene plastic being corrosion -resistant, do not take place the reaction with mercury, light in weight is convenient for remove and carry, the utility model discloses in utilize the physics sieve method, compare and the purification technique such as wash in current vacuum distillation, acid -base, have the security height, the purification is effectual, the equipment method is simple, with low costs, the removal of being convenient for, convenient operation, easily the advantage such as use widely.
Description
Technical field
This utility model relates to laboratory services field, particularly relates to a kind of Novel waste hydrargyrum and reclaims purifying plant.
Background technology
Non-infiltration dielectric tests microcellular structure is utilized according to GBT21650.1-2008 " mercury injection method and gas determination of adsorption method solid material pore-size distribution and porosity part 1: mercury injection method ", wherein experiment hydrargyrum is required to be analytical pure, different types of mercury injection apparatus, the mercury use every time tested such as instruments such as ThermoScientific, Quantachrome is at least 6 grams.In current test in laboratory process, it is primarily present following problem:
1, each test microvia structure sample, will produce substantial amounts of useless hydrargyrum, bring puzzlement to actual detection work；
2, each user finishes experiment, will ceaselessly clear up pipeline, collects useless hydrargyrum, carefully deposits to the experiment cabinet of double twin-lock.
3, owing to useless hydrargyrum belongs to danger wastes, it is desirable to have specialized company reclaims, but as the stock keeping unit of this kind of small lot of laboratory, professional institution does not visit recovery.
4, pure hydrargyrum belongs to hazardous chemical, its complex manufacturing technology, expensive, peril of transportation.
5, passing through pure hydrargyrum, the useless hydrargyrum of cleaning that constantly purchase is new, this way is both uneconomical, dangerous again.
Therefore, the recycling of hydrargyrum in laboratory, both can save experimental cost, can reduce again the generation of bazardous waste, and use procedure reduces the harm to human body become problem demanding prompt solution.
Utility model content
The technical problems to be solved in the utility model is the defect overcoming prior art, it is provided that a kind of useless hydrargyrum reclaims purifying plant, is not related to the experimental facilitiess such as any chemical reagent, high temperature, low temperature, easy to operate, it is easy to promote the use of.
In order to solve above-mentioned technical problem, this utility model provides following technical scheme:
The useless hydrargyrum of this utility model one reclaims purifying plant, including controlling organization, vibrating screen mechanism and filtration liquid storage mechanism；
Described controlling organization includes pounder and is arranged on the fixed platform bottom described pounder, the surface of described controlling organization is arranged with switch in parallel, LCDs, operating frequency knob, working time arranges knob and emergency stop switch, the bottom of described fixed platform is parallel is fixed with the fixing bar of two entirety, by upper strata fixing hoop between the fixing bar of described entirety, middle level fixing hoop and bottom support bar connect, described upper strata fixing hoop, respectively through upper strata fixed part between described middle level fixing hoop and described bottom support bar and the fixing bar of described entirety, middle level fixed part and bottom fixed part are fixed, the bottom of the fixing bar of described entirety is fixed on base by overall fixing stem nut, one end of described base is circumscribed with attaching plug；
Described vibrating screen mechanism include seal lid and the sieve bucket that shakes, described sealing lid be arranged on described in shake sieve bucket top, described in shake sieve bucket interior parallel be provided with mesh standard sieve, mesh standard sieve and first object quasi-sieve, described in shake sieve bucket bottom be provided with leakage fluid dram switch；
Described filtration liquid storage mechanism includes into liquid interface, upper water-out mouth and lower accepting water mouth, described enter liquid interface insert described filtration liquid storage mechanism top, described upper water-out mouth is arranged on the top filtering liquid storage mechanism, described lower accepting water mouth is arranged on the middle part filtering liquid storage mechanism, the bottom of described filtration liquid storage mechanism is provided with draining switch, the bottom of described filtration liquid storage mechanism be fixed on filter liquid storage mechanism base bottom, described filtration liquid storage mechanism be internally provided with the second mesh standard sieve.
As a kind of optimal technical scheme of the present utility model, described in the shake surface configuration of sieve bucket have upper visual window.
As a kind of optimal technical scheme of the present utility model, the surface configuration of described filtration liquid storage mechanism has lower visual window.
As a kind of optimal technical scheme of the present utility model, described in enter liquid interface and switched with leakage fluid dram by high-strength polytetrafluoroethyl-ne plastic tube and be connected.
As a kind of optimal technical scheme of the present utility model, with all positions contacted with liquid in described filtration liquid storage mechanism, described vibrating screen mechanism is used that high-strength polytetrafluoroethyl-ne plastics are made.
As a kind of optimal technical scheme of the present utility model, described vibrating screen mechanism connects described switch respectively by circuit, described LCDs, described operating frequency knob, described working time arrange knob and described emergency stop switch.
Useless hydrargyrum reclaims the using method of purifying plant, including following operating procedure,
Step one, start, pour the useless hydrargyrum mixture tested into the sieve bucket that shakes, build sealing lid；
Step 2, operating frequency knob and working time on adjusting control mechanism arrange knob, arrange working time and operating frequency, and instrument brings into operation, and vibrating screen mechanism up-and-down reciprocating moves；
Step 3, after the sieve that shakes terminates, the screening situation of each layer in visual window in observation, when having residue or mercury solution to exist, repeats the operation of step one and step 2, until residue or mercury solution disappear, completes purification process.
This utility model reaches to provide the benefit that: this useless hydrargyrum reclaims the purifying plant combination by vibrosieve and fixing device and adjustment, useless mercury solution can be purified, reduce and produce toxic waste, reduce the stock-sales ratio of danger wastes, reduce experiment material cost, improve the utilization rate of hydrargyrum；Standard screen sufficient space arranged below can store mercury solution, and standard screen all can fixedly secure, and will not turn on one's side because of strenuous vibration, sieves bucket secure seal with shaking, the phenomenon of leakage will not occur；Upper water-out mouth and lower accepting water mouth all have filtration piston, place mercury solution outflow, can limit deionized water flow velocity simultaneously, make deionized water Uniform Flow；Breach traditional method of purification, it is not necessary to using organic solvent, it is not necessary to optional equipment high temperature or low-temperature operation equipment, expanded the method for purification scope of application, equipment is simplified；Adopt high-strength polytetrafluoroethyl-ne plastics, it is ensured that support strength, and high-strength polytetrafluoroethyl-ne plastic corrosion-resisting, do not react with hydrargyrum, and lightweight, it is simple to move and carry.
Accompanying drawing explanation
Accompanying drawing is used for providing being further appreciated by of the present utility model, and constitutes a part for description, is used for explaining this utility model, is not intended that restriction of the present utility model together with embodiment of the present utility model.In the accompanying drawings:
Fig. 1 is overall structure schematic diagram of the present utility model；
Fig. 2 is controlling organization structural representation of the present utility model；
Fig. 3 is vibrating screen mechanism structural representation of the present utility model；
Fig. 4 is filtration liquid storage mechanism structural representation of the present utility model；
In figure: 100, controlling organization；101, pounder；102, fixed platform；103, switch；104, LCDs；105, operating frequency knob；106, the working time arranges knob；107, emergency stop switch；108, upper strata fixed part；109, upper strata fixing hoop；110, middle level fixed part；111, middle level fixing hoop；112, bottom fixed part；113, bottom support bar；114, overall fixing bar；115, overall fixing stem nut；116, base；117, attaching plug；200, vibrating screen mechanism；201, lid is sealed；202, shake sieve bucket；203,100 mesh standard sieve；204,200 mesh standard sieve；205, the one 250 mesh standard sieve；206, upper visual window；207, leakage fluid dram switch；300, liquid storage mechanism is filtered；301, liquid interface is entered；302, upper water-out mouth；303, lower visual window；304, lower accepting water mouth；305, the 2nd 250 mesh standard sieve；306, draining switch；307, liquid storage mechanism base is filtered.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is illustrated, it will be appreciated that preferred embodiment described herein is merely to illustrate and explains this utility model, be not used to limit this utility model.
Embodiment 1
As Figure 1-4, useless hydrargyrum of the present utility model reclaims purifying plant, including controlling organization 100, vibrating screen mechanism 200 and filtration liquid storage mechanism 300；
nullControlling organization 100 includes pounder 101 and is arranged on the fixed platform 102 bottom pounder 101，The surface of controlling organization 100 is arranged with switch 103 in parallel、LCDs 104、Operating frequency knob 105、Working time arranges knob 106 and emergency stop switch 107，The bottom of fixed platform 102 is parallel is fixed with the fixing bar 114 of two entirety，By upper strata fixing hoop 109 between overall fixing bar 114、Middle level fixing hoop 111 and bottom support bar 113 connect，Upper strata fixing hoop 109、Respectively through upper strata fixed part 108 between middle level fixing hoop 111 and bottom support bar 113 and the fixing bar 114 of entirety、Middle level fixed part 110 and bottom fixed part 112 are fixed，The bottom of overall fixing bar 114 is fixed on base 116 by the fixing stem nut 115 of entirety，One end of base 116 is circumscribed with attaching plug 117；
Vibrating screen mechanism 200 includes sealing lid 201 and the sieve bucket 202 that shakes, seal lid 201 and be arranged on the top of the sieve bucket 202 that shakes, the interior parallel sieving bucket 202 that shakes is provided with 100 mesh standard sieve 203,200 mesh standard sieve the 204 and the 1st mesh standard sieves 205, and the bottom of the sieve bucket 202 that shakes is provided with leakage fluid dram switch 207；
Filter liquid storage mechanism 300 and include into liquid interface 301, upper water-out mouth 302 and lower accepting water mouth 304, enter liquid interface 301 and insert the top filtering liquid storage mechanism 300, upper water-out mouth 302 is arranged on the top filtering liquid storage mechanism 300, lower accepting water mouth 304 is arranged on the middle part filtering liquid storage mechanism 300, the bottom filtering liquid storage mechanism 300 is provided with draining switch 306, the bottom filtering liquid storage mechanism 300 is fixed on the bottom filtering liquid storage mechanism base 307, and that filters liquid storage mechanism 300 is internally provided with the 2nd 250 mesh standard sieve 305.
The surface configuration sieving bucket 202 of shaking has upper visual window 206.The surface configuration filtering liquid storage mechanism 300 has lower visual window 303.Enter liquid interface 301 to be connected with leakage fluid dram switch 207 by high-strength polytetrafluoroethyl-ne plastic tube.With filtering all positions contacted with liquid in liquid storage mechanism 300, vibrating screen mechanism 200 is used that high-strength polytetrafluoroethyl-ne plastics are made.Vibrating screen mechanism 200 arranges knob 106 and emergency stop switch 107 by circuit connecting valve 103 respectively, LCDs 104, operating frequency knob 105, working time.
Concrete, controlling organization part: pounder 101 is for impacting the sealing lid 201 on vibrating screen mechanism 200, make it by fixed frequency up-down vibration, when pounder 101 works, upper strata fixed part 108, upper strata fixing hoop 109, middle level fixed part 110, middle level fixing hoop 111, bottom fixed part 112, bottom support bar 113 will by arranging the motion of frequency up-and-down reciprocating together with vibrating screen mechanism 200；Switch 103 is for the duty of start and stop vibrating screen mechanism 200；LCDs 104 can show current operating frequency and working time；Operating frequency knob 105 can control the frequency of vibrating screen mechanism 200 up-and-down reciprocating motion；Working time arranges knob 106 and can control the working time of vibrating screen mechanism 200 up-and-down reciprocating motion；Emergency stop switch 107 is for the emergent stopping of emergency situations；
Vibrating screen mechanism part: wall thickness in vibrating screen mechanism 200, can stablize its internal liquid and acutely rock, the phenomenon of leakage will not occur；Seal the sieve bucket 202 that shakes of the lid 201 whole vibrating screen mechanism 200 of sealing；One 250 mesh standard sieve 205 sufficient space arranged below can store mercury solution；All with sieve bucket 202 secure seal of shaking, can will not there is rollover and the phenomenon of leakage because of strenuous vibration in standard screen.Upper visual window 206 can observe the liquid condition of inner. layers, optionally standard of replacement sieve；Liquid, by connecting high-strength polytetrafluoroethyl-ne plastic tube, is transported in filtration liquid storage mechanism 300 by leakage fluid dram switch 207；
Filter liquid storage mechanism part: entering liquid interface 301 can be connected with leakage fluid dram switch 207 by high-strength polytetrafluoroethyl-ne plastic tube, liquid is transported in filtration liquid storage mechanism 300, upper water-out mouth 302 and lower accepting water mouth 304 connect high-strength polytetrafluoroethyl-ne plastic tube, liquid storage mechanism 300 supernatant liquid is filtered by circulating deionized water rinsing, upper water-out mouth 302 and lower accepting water mouth 304 all have filtration piston, prevent mercury solution from outflowing, deionized water flow velocity can be limited simultaneously, make deionized water Uniform Flow；Draining switch 306 can be infused in the container not reacted with hydrargyrum, and it is firm that draining switch 306 seals；Filtering liquid storage mechanism base 307 and support filtration liquid storage mechanism 300, it is fixed on base 116, it is possible to freely pull down.
This useless hydrargyrum reclaims purifying plant by combining and regulating, it is possible to purifies useless mercury solution, reduces and produce toxic waste, reduce the stock-sales ratio of danger wastes, reduces experiment material cost, improve the utilization rate of hydrargyrum；Break through traditional method of purification, it is not necessary to organic solvent, high temperature or low-temperature operation, expand method of purification；Adopt high-strength polytetrafluoroethyl-ne plastics, it is ensured that support strength, and high-strength polytetrafluoroethyl-ne plastic corrosion-resisting, do not react with hydrargyrum, lightweight, it is simple to move and carry.
The useless hydrargyrum of this utility model reclaims the using method of purifying plant, including following operating procedure:
Step one, start, the useless hydrargyrum mixture tested is poured into the sieve bucket 202 that shakes, builds sealing lid 201；
Step 2, operating frequency knob 105 and working time on adjusting control mechanism 100 arrange knob 106, arrange working time and operating frequency, and instrument brings into operation, and vibrating screen mechanism up-and-down reciprocating moves；
Step 3, after the sieve that shakes terminates, the screening situation of each layer in visual window 206 in observation, when having residue or mercury solution to exist, repeats the operation of step one and step 2, until residue or mercury solution disappear, completes purification process.Danger button termination work can be pressed when an emergency happens.
Liquid, by connecting high-strength polytetrafluoroethyl-ne plastic tube, is transported in filtration liquid storage mechanism 300 by the leakage fluid dram switch 207 on vibrating screen mechanism 200.Upper visual window 206 can observe the liquid condition of inner. layers, optionally standard of replacement sieve.
The upper water-out mouth 302 and the lower accepting water mouth 304 that filter liquid storage mechanism 300 connect high-strength polytetrafluoroethyl-ne plastic tube, liquid storage mechanism 300 supernatant liquid is filtered by circulating deionized water rinsing, upper water-out mouth 302 and lower accepting water mouth 304 all have filtration piston, prevent mercury solution from outflowing, deionized water flow velocity can be limited simultaneously, make deionized water Uniform Flow.Mercury solution filters unsettled bulk in liquid storage mechanism, and it is firm that draining switch 306 seals, it is possible to infuse in the container not reacted with hydrargyrum, shifts new hydrargyrum by high-strength polytetrafluoroethyl-ne plastic containers and uses to laboratory analytical instrument.Being tested by atomic fluorescence analysis instrument, the purity of new hydrargyrum all can reach 99%, meets the primary demand of Thermo mercury injection apparatus.
Last it is noted that the foregoing is only preferred embodiment of the present utility model, it is not limited to this utility model, although this utility model being described in detail with reference to previous embodiment, for a person skilled in the art, technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature carries out equivalent replacement.All within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (6)
1. a useless hydrargyrum reclaims purifying plant, it is characterised in that includes controlling organization (100), vibrating screen mechanism (200) and filters liquid storage mechanism (300)；
nullDescribed controlling organization (100) includes pounder (101) and is arranged on the fixed platform (102) of described pounder (101) bottom，The surface of described controlling organization (100) is arranged with switch (103) in parallel、LCDs (104)、Operating frequency knob (105)、Working time arranges knob (106) and emergency stop switch (107)，The bottom of described fixed platform (102) is parallel is fixed with the fixing bar (114) of two entirety，Described entirety is fixed between bar (114) by upper strata fixing hoop (109)、Middle level fixing hoop (111) and bottom support bar (113) connect，Described upper strata fixing hoop (109)、Respectively through upper strata fixed part (108) between described middle level fixing hoop (111) and described bottom support bar (113) and the fixing bar (114) of described entirety、Middle level fixed part (110) and bottom fixed part (112) are fixed，Described entirety is fixed the bottom of bar (114) and is fixed on base (116) by the fixing stem nut (115) of entirety，One end of described base (116) is circumscribed with attaching plug (117)；
Described vibrating screen mechanism (200) includes sealing lid (201) and sieve bucket (202) that shakes, described seal lid (201) be arranged on described in shake sieve bucket (202) top, described shake sieve bucket (202) interior parallel be provided with 100 mesh standard sieves (203), 200 mesh standard sieves (204) and the one 250 mesh standard sieve (205), described in shake sieve bucket (202) bottom be provided with leakage fluid dram switch (207)；
Described filtration liquid storage mechanism (300) includes into liquid interface (301), upper water-out mouth (302) and lower accepting water mouth (304), described enter liquid interface (301) insert the top of described filtration liquid storage mechanism (300), described upper water-out mouth (302) is arranged on the top filtering liquid storage mechanism (300), described lower accepting water mouth (304) is arranged on the middle part filtering liquid storage mechanism (300), the bottom of described filtration liquid storage mechanism (300) is provided with draining switch (306), the bottom of described filtration liquid storage mechanism (300) is fixed on the bottom filtering liquid storage mechanism base (307), described filtration liquid storage mechanism (300) be internally provided with the 2nd 250 mesh standard sieve (305).
2. the useless hydrargyrum of one according to claim 1 reclaims purifying plant, it is characterised in that described in the shake surface configuration of sieve bucket (202) have upper visual window (206).
3. the useless hydrargyrum of one according to claim 1 reclaims purifying plant, it is characterised in that the surface configuration of described filtration liquid storage mechanism (300) has lower visual window (303).
4. the useless hydrargyrum of one according to claim 1 reclaims purifying plant, it is characterised in that described in enter liquid interface (301) and be connected with leakage fluid dram switch (207) by high-strength polytetrafluoroethyl-ne plastic tube.
5. the useless hydrargyrum of one according to claim 1 reclaims purifying plant, it is characterized in that, with all positions contacted with liquid in described filtration liquid storage mechanism (300), described vibrating screen mechanism (200) is used that high-strength polytetrafluoroethyl-ne plastics are made.
6. reclaim purifying plant according to claim 1 or the 2 or 5 useless hydrargyrum of arbitrary described one, it is characterized in that, described vibrating screen mechanism (200) connects described switch (103) respectively by circuit, described LCDs (104), described operating frequency knob (105), described working time arrange knob (106) and described emergency stop switch (107).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620206702.XU CN205398694U (en) | 2016-03-17 | 2016-03-17 | Purification device is retrieved to useless mercury |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620206702.XU CN205398694U (en) | 2016-03-17 | 2016-03-17 | Purification device is retrieved to useless mercury |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205398694U true CN205398694U (en) | 2016-07-27 |
Family
ID=56422866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620206702.XU Withdrawn - After Issue CN205398694U (en) | 2016-03-17 | 2016-03-17 | Purification device is retrieved to useless mercury |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205398694U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105586492A (en) * | 2016-03-17 | 2016-05-18 | 江苏三联安全评价咨询有限公司 | Waste mercury recovery and purification device and use method thereof |
-
2016
- 2016-03-17 CN CN201620206702.XU patent/CN205398694U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105586492A (en) * | 2016-03-17 | 2016-05-18 | 江苏三联安全评价咨询有限公司 | Waste mercury recovery and purification device and use method thereof |
| CN105586492B (en) * | 2016-03-17 | 2017-07-18 | 江苏三联安全评价咨询有限公司 | A kind of useless mercury reclaims purifying plant |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105586492B (en) | A kind of useless mercury reclaims purifying plant | |
| JP5499158B2 (en) | Bottom-controlled sample filtering container and method | |
| CN204769856U (en) | Detachable soil eluting device | |
| CN102939264A (en) | Gravity-filtration water purifier | |
| CN205398694U (en) | Purification device is retrieved to useless mercury | |
| JP5260972B2 (en) | Wastewater treatment equipment | |
| CN104891698B (en) | Domestic wastewater quick purification device | |
| CN207259569U (en) | A kind of titanium sponge production argon gas retracting device | |
| CN205965112U (en) | Liquid waste collection device and liquid chromatogram | |
| CN208927619U (en) | A kind of distilling apparatus | |
| CN103663623B (en) | A kind of Halite water divides filtration unit and method thereof and application | |
| CN103567199A (en) | Cleaning tank having explosion-proof dialysis circular cleaning function and cleaning device | |
| CN203154864U (en) | Oscillation extraction extractor of pesticide residue in food | |
| CN213724935U (en) | Device for rapidly extracting inorganic phosphorus in sediment | |
| CN105891350B (en) | A kind of method of base contents in quick detection food | |
| CN210434095U (en) | Waste mercury filtering device | |
| CN107935226A (en) | Lead waste water pre-processes integrated apparatus | |
| CN203620333U (en) | Filter pressing equipment | |
| CN203990087U (en) | Glass fiber reinforced plastic settling tank | |
| CN208786374U (en) | Equipment for separating liquid from solid and the system for applying it | |
| JP5747101B1 (en) | Biodiesel production system | |
| CN210885672U (en) | Waste liquid collecting device of liquid chromatograph | |
| CN105334072A (en) | Sealed faeces sample sampling container and sampling method | |
| CN216092504U (en) | Pulp filtering device of papermaking wastewater treatment equipment | |
| CN217677124U (en) | Pre-filtering column |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160727 Effective date of abandoning: 20170718 |
|
| AV01 | Patent right actively abandoned |