CN109046488A - A kind of crucible - Google Patents

A kind of crucible Download PDF

Info

Publication number
CN109046488A
CN109046488A CN201810949499.9A CN201810949499A CN109046488A CN 109046488 A CN109046488 A CN 109046488A CN 201810949499 A CN201810949499 A CN 201810949499A CN 109046488 A CN109046488 A CN 109046488A
Authority
CN
China
Prior art keywords
crucible
inlet tube
bracket
liquid pipe
liquid outlet
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.)
Pending
Application number
CN201810949499.9A
Other languages
Chinese (zh)
Inventor
贺灿炎
余伟蓉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BEIHAI FEIJIUTIAN ELECTRONIC TECHNOLOGY Co Ltd
Original Assignee
BEIHAI FEIJIUTIAN ELECTRONIC TECHNOLOGY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BEIHAI FEIJIUTIAN ELECTRONIC TECHNOLOGY Co Ltd filed Critical BEIHAI FEIJIUTIAN ELECTRONIC TECHNOLOGY Co Ltd
Priority to CN201810949499.9A priority Critical patent/CN109046488A/en
Publication of CN109046488A publication Critical patent/CN109046488A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/04Crucibles

Landscapes

  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)

Abstract

The present invention relates to a kind of crucibles, specially a kind of crucible that can be quickly cooled down, crucible device includes crucible body, lid, crucible outer wall, crucible internal walls, crucible bottom, crucible lid passes through card and structure clamping crucible body, crucible body and crucible lid are tightly connected, crucible lid connects crucible body using helicitic texture, so that crucible body and crucible lid are tightly connected, it is characterized in that the sidewall of crucible of crucible body is the spiral liquid cooling channel of the internal structure for having spiral hollow, the section of liquid cooling channel is circle, spiral liquid cooling channel has inlet, inlet is internal thread structure, inlet is helicitic texture or card and structure;The present invention can be quickly cooled down crucible, and without directly steeping in water crucible, and can prevent experimenter from surprisingly occurring to avoid the problem of rotating crucible inconvenience under high temperature.

Description

A kind of crucible
Technical field
The present invention relates to a kind of use for laboratory crucible devices, and in particular to the crucible device that one kind can be quickly cooled down.
Background technique
Crucible is the important component of chemical apparatuses, it is the experimental provision for melting object or agglomerate bodies, special It is not in element test field, most chemical experiments needs crucible to cool down rapidly, and it is inaccurate otherwise to will lead to chemical experiment result Really bring some unnecessary troubles.In the prior art generally by air cooling, or directly crucible is thrown in water, It is washed out crucible to wash the component in crucible into solution, however uses air-cooled crucible, radiating efficiency is low, cannot be rapid Crucible temperature is reduced, crucible longer possible influence experimental result cooling time is caused;And it uses and directly throws crucible in water Experimental result is then influenced in most cases, nor relatively good technical solution.The middle promulgated by the State Council of Publication No. CN105396635A Bright patent discloses a kind of cooling simple machine of high-temperature crucibles single-mode exquisiteness, by solid ice container as cooling medium It carries out cooling technical solution to crucible, but program solid ice container and is of little use, and cost is high.
Summary of the invention
The main purpose of the present invention is to provide a kind of crucibles, it is intended to it is longer to solve existing crucible cooling time at present Technical problem, and solve the problems, such as that experimental work personnel may be scalded in crucible cooling procedure together.
To achieve the goals above, the technical scheme adopted by the invention is as follows providing a kind of crucible device, the crucible device packet Include crucible body, lid, crucible outer wall, crucible internal walls, crucible bottom;
Optionally, crucible lid is tightly connected crucible body and crucible lid by card and structure clamping crucible body;
Optionally, crucible lid connects crucible body by helicitic texture, is tightly connected crucible body and crucible lid;Earthenware Crucible lid connects crucible body by card and structure, so that crucible body and crucible lid are tightly connected;
Optionally, the sidewall of crucible of crucible body is hollow structure, and hollow inside is equipped with a water-stop sheet, and water-stop sheet is by sidewall of crucible Hollow structure is divided into feed liquor area and out liquid zone, and the top of water-stop sheet connects crucible outer wall by several ribs, and wherein feed liquor area connects Logical inlet, inlet are internal thread structure or card and structure, and inlet and bracket inlet tube are tightly connected;
Optionally, the sidewall of crucible of crucible body be it is internal there is spiral liquid cooling channel, fluid path cross sectional shape be it is round, Oval, rectangular, rectangle;
Optionally, crucible outer wall shape is triangle with rounded corners, quadrangle or non-circular has rounded corners Polygon;And the shape of crucible outer wall always matches with the crucible tray body portion of crucible cooling holder;
It is alternatively possible to which the crucible device being quickly cooled down further includes crucible cooling holder, crucible cooling holder includes rack body, Bracket stabilizer blade, bracket inlet tube, crucible base body;Bracket inlet tube is with externally threaded hollow pipeline, the connection of bracket inlet tube Rotatory sealing liquid pipe, rotatory sealing liquid pipe is telescopic bellows, and when bracket inlet tube rotates, rotatory sealing liquid pipe is fixed not Dynamic, bracket inlet tube is connected with rotatory sealing liquid pipe by sealing swivel bearing;Bracket inlet tube is fixedly connected with driven gear, from Moving gear is rotatablely connected driving gear, and driving gear connects retarder, and reducer shaft connects micromotor, and crucible cooling holder is also Including forced circulation pump, forced circulation pump connects liquid pipe, and liquid pipe connects rotatory sealing liquid pipe, rotatory sealing liquid pipe connecting bracket into Liquid pipe, bracket inlet tube connection crucible go out liquid zone connection liquid outlet, and liquid outlet connects crucible cooling holder liquid outlet, and crucible is cooling Bracket liquid outlet connects drainage pipeline;
Optionally, bracket inlet tube is with externally threaded hollow pipeline, and bracket inlet tube connects rotatory sealing liquid pipe, is rotated close Dip tube is telescopic bellows, and when bracket inlet tube rotates, rotatory sealing liquid pipe is fixed, bracket inlet tube and rotation Seal piping passes through sealing swivel bearing connection;Bracket inlet tube be fixedly connected manually turn round wheel, crucible cooling holder further include into Liquid mouth, the external tap water water of inlet, tap water are flowed along rotatory sealing liquid pipe and bracket inlet tube, the connection of bracket inlet tube Crucible inlet, crucible go out liquid zone connection liquid outlet, and liquid outlet connects crucible cooling holder liquid outlet, and crucible cooling holder goes out liquid Mouth connection drainage pipeline;
Optionally, micromotor and forced circulation pump are electrically connected switching device.
The beneficial effects of the present invention are: the present invention is compared to the prior art, the beneficial effects of the present invention are:
1) be quickly cooled down crucible, compared with the prior art, the present invention can be quickly cooled down crucible, and without crucible is directly steeped into In water;
2) problem for avoiding rotating crucible inconvenience under high temperature prevents the dangerous situations such as scald staff from occurring.
Detailed description of the invention
Fig. 1 is the schematic top plan view of an embodiment of the present invention;
Fig. 2 is the diagrammatic cross-section of an embodiment of the present invention;
Fig. 3 is the crucible and crucible holder combination schematic diagram of an embodiment of the present invention;
Fig. 4 is the torsion wheel schematic diagram of an embodiment of the present invention;
Fig. 5 is the hollow screw channel of an embodiment of the present invention.
Wherein digital representation: 1, crucible body, 101, crucible bottom, 1011, inlet, 1012, liquid outlet, 2, lid, 3, Crucible outer wall, 4, crucible internal walls, 5, water-stop sheet, 6, feed liquor area, 7, go out liquid zone, 8, rib, 9, crucible holder, 10, bracket stabilizer blade, 11, bracket inlet tube, 12, rotatory sealing liquid pipe, 13, driven gear, 14, driving gear, 15, retarder, 16, micromotor, 17, crucible base body, 18, switching device, 19 crucible liquid outlets, 20, crucible base body liquid outlet, 21, turn round wheel, 22, hollow screw it is logical Road.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
The present invention is further described for explanation and specific embodiment with reference to the accompanying drawing.It should be appreciated that described herein Specific embodiment be only used to explain the present invention, be not intended to limit the present invention.
Embodiment 1:
As shown in figure 3, the present invention is a kind of crucible device, which includes crucible body 1, crucible lid 2, crucible outer wall 3, crucible internal walls 4, crucible bottom 101, crucible lid 2 by card and structure clamping crucible body 1, make crucible body 1 and crucible cover Body 2 is tightly connected;The sidewall of crucible (3,4) of crucible body 1 is hollow structure, and hollow inside is equipped with a water-stop sheet 5, and water-stop sheet will The hollow structure of sidewall of crucible is divided into feed liquor area 6 and out liquid zone 7, and the top of water-stop sheet 5 connects crucible outer wall by several ribs 8, Wherein feed liquor area 6 is connected to inlet 1011 by the notch in crucible bottom 101, and inlet 1011 is internal thread structure inlet 1011 and bracket inlet tube 11 be tightly connected;4 shape of crucible outer wall is the triangle with rounded corners, and crucible outer wall 4 Shape always match with 17 part of crucible base body of crucible cooling holder;Crucible device further includes crucible cooling holder, earthenware Crucible cooling holder includes rack body 9, bracket stabilizer blade 10, bracket inlet tube 11, crucible base body 17;Bracket inlet tube 11 be with Externally threaded hollow pipeline, bracket inlet tube 11 connect rotatory sealing liquid pipe 12, and rotatory sealing liquid pipe 12 is telescopic ripple Pipe, when bracket inlet tube 11 rotates, rotatory sealing liquid pipe is fixed, and bracket inlet tube 11 and rotatory sealing liquid pipe 12 pass through close It seals swivel bearing and connects (not shown);Bracket inlet tube 11 is fixedly connected with driven gear 13, and driven gear is rotatablely connected driving tooth Wheel 14, driving gear connect retarder 15, and reducer shaft connects micromotor 16, and crucible cooling holder further includes forced circulation pump (not shown), forced circulation pump connection liquid pipe, liquid pipe connection rotatory sealing liquid pipe, rotatory sealing liquid pipe connecting bracket inlet tube, Bracket inlet tube 11 connects the inlet 1011 on crucible bottom 101, and liquid zone 7 connects crucible liquid outlet 19 out, and liquid outlet connects earthenware The crucible base body liquid outlet 20 of the crucible base body 17 of crucible cooling holder 9, crucible base body liquid outlet connect drainage pipeline (not shown); Wherein crucible liquid outlet 19 is annular liquid outlet, and corresponding crucible base body liquid outlet is the crucible that top has annular groove Base body liquid outlet 20.
Embodiment 2:
The present invention is a kind of crucible device, which includes crucible body 1, crucible lid 2, crucible outer wall 3, crucible internal walls 4, crucible bottom 101, crucible lid 2 seals crucible body 1 and crucible lid 2 and is connected by card and structure clamping crucible body 1 It connects;The sidewall of crucible (3,4) of crucible body 1 is hollow structure, and hollow inside is equipped with a water-stop sheet 5, and water-stop sheet is by sidewall of crucible Hollow structure is divided into feed liquor area 6 and out liquid zone 7, and the top of water-stop sheet 5 connects crucible outer wall by several ribs 8, wherein feed liquor Area 6 is connected to inlet 1011 by the notch in crucible bottom 101, and inlet 1011 is internal thread structure inlet 1011 and bracket Inlet tube 11 is tightly connected;4 shape of crucible outer wall is the triangle with rounded corners, and the shape of crucible outer wall 4 is always Match with 17 part of crucible base body of crucible cooling holder;Crucible device further includes crucible cooling holder, crucible cooling holder Including rack body 9, bracket stabilizer blade 10, bracket inlet tube 11, crucible base body 17;Bracket inlet tube 11 is in externally threaded Vacant duct, bracket inlet tube 11 connect rotatory sealing liquid pipe 12, and rotatory sealing liquid pipe 12 is telescopic bellows, bracket feed liquor When pipe 11 rotates, rotatory sealing liquid pipe is fixed, and bracket inlet tube 11 and rotatory sealing liquid pipe 12 pass through sealing swivel bearing Connect (not shown);Bracket inlet tube 11 is fixedly connected with torsion wheel 21, and turning round wheel 21 can be by bracket inlet tube 11 and earthenware by rotation The inlet 1011 of crucible bottom 101 connects, and crucible cooling holder further includes forced circulation pump (not shown), forced circulation pump connection Liquid pipe, liquid pipe connect rotatory sealing liquid pipe, rotatory sealing liquid pipe connecting bracket inlet tube, and bracket inlet tube 11 connects crucible bottom Inlet 1011 on 101, liquid zone 7 connects crucible liquid outlet 19 out, and liquid outlet connects the crucible base body 17 of crucible cooling holder 9 Crucible base body liquid outlet 20, crucible base body liquid outlet connect drainage pipeline (not shown);Wherein crucible liquid outlet 19 is annular Liquid outlet, corresponding crucible base body liquid outlet are the crucible base body liquid outlet 20 that top has annular groove.
Embodiment 3:
The present invention is a kind of crucible device, which includes crucible body 1, crucible lid 2, crucible outer wall 3, crucible internal walls 4, crucible bottom 101, crucible lid 2 seals crucible body 1 and crucible lid 2 and is connected by card and structure clamping crucible body 1 It connects;The sidewall of crucible (3 and 4) of crucible body 1 is the spiral liquid cooling channel 22 of the internal structure for having spiral hollow, spiral liquid The section of body cooling duct 22 is circle, and spiral liquid cooling channel has inlet 1011 and liquid outlet 1012, liquid outlet 1012 are arranged on the outer wall 4 of crucible body 1, and inlet 1011 is that internal thread structure inlet 1011 and bracket inlet tube 11 are close Envelope connection;4 shape of crucible outer wall is the triangle with rounded corners, and the shape of crucible outer wall 4 is always cooling with crucible 17 part of crucible base body of bracket matches;Crucible device further includes crucible cooling holder, and crucible cooling holder includes bracket sheet Body 9, bracket stabilizer blade 10, bracket inlet tube 11, crucible base body 17;Bracket inlet tube 11 is with externally threaded hollow pipeline, branch Frame inlet tube 11 connects rotatory sealing liquid pipe 12, and rotatory sealing liquid pipe 12 is telescopic bellows, and bracket inlet tube 11 rotates When, rotatory sealing liquid pipe is fixed, and bracket inlet tube 11 (is not shown with rotatory sealing liquid pipe 12 by sealing swivel bearing and connecting Out);Bracket inlet tube 11 is fixedly connected with torsion wheel 21, and turning round wheel 21 can be by bracket inlet tube 11 and crucible bottom 101 by rotation Inlet 1011 connect, crucible cooling holder further includes forced circulation pump (not shown), and forced circulation pump connects liquid pipe, liquid pipe Rotatory sealing liquid pipe, rotatory sealing liquid pipe connecting bracket inlet tube are connected, bracket inlet tube 11 connects the feed liquor on crucible bottom 101 Mouth 1011, liquid outlet 1012 connect the crucible base body liquid outlet 201 of the crucible base body 17 of crucible cooling holder 9, and crucible base body goes out Liquid mouth connects drainage pipeline (not shown);Wherein liquid outlet 1012 is round liquid outlet, corresponding crucible base body liquid outlet There is the crucible base body liquid outlet 201 of strip groove for top.
(strip groove liquid outlet 201 and round liquid outlet 1012 are simplified in Fig. 5).
In the use of the present invention, crucible to be cooled is placed on crucible holder, then twisting is turned round wheel or is opened miniature Motor opens forced circulation pump after the inlet at bracket inlet tube connection crucible bottom, the cooling crucible of water flowing is carried out, to earthenware After crucible is cooling, crucible is unloaded from crucible holder, completes to use.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention Protection scope.

Claims (6)

1. a kind of crucible, including crucible body, lid, crucible outer wall, crucible internal walls, crucible bottom, crucible cooling holder;Crucible cover Body is tightly connected crucible body and crucible lid by card and structure clamping crucible body;It is characterized in that, crucible body Sidewall of crucible is the spiral liquid cooling channel of the internal structure for having spiral hollow, and the section of liquid cooling channel is circle, spiral shell Revolving liquid cooling channel has inlet, and inlet is internal thread structure, and inlet and bracket inlet tube are tightly connected;Crucible is cold But bracket further includes bracket inlet tube, and bracket inlet tube connects rotatory sealing liquid pipe, and bracket inlet tube and rotatory sealing liquid pipe are logical The connection of sealing swivel bearing is crossed, bracket inlet tube is fixedly connected with driven gear, and driven gear connects driving gear, and driving gear connects Retarder is connect, retarder connects micromotor.
2. crucible according to claim 1, which is characterized in that bracket inlet tube is with externally threaded hollow pipeline, branch The rotatory sealing pipe of frame inlet tube connection is telescopic bellows.
3. crucible according to claim 2, which is characterized in that crucible bottom has crucible liquid outlet, and crucible liquid outlet is ring Shape liquid outlet, corresponding crucible base body liquid outlet are the crucible base body liquid outlet that top has annular groove.
4. crucible according to claim 1, which is characterized in that crucible outer wall shape be triangle with rounded corners, Quadrangle or the non-circular polygon with rounded corners.
5. crucible according to claim 1, which is characterized in that crucible cooling holder further includes rack body, bracket stabilizer blade, Bracket inlet tube, crucible base body.
6. crucible according to claim 1, which is characterized in that crucible cooling holder further includes forced circulation pump, forces to follow Ring pump connection liquid pipe, liquid pipe connect rotatory sealing liquid pipe, rotatory sealing liquid pipe connecting bracket inlet tube.
CN201810949499.9A 2018-08-20 2018-08-20 A kind of crucible Pending CN109046488A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810949499.9A CN109046488A (en) 2018-08-20 2018-08-20 A kind of crucible

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810949499.9A CN109046488A (en) 2018-08-20 2018-08-20 A kind of crucible

Publications (1)

Publication Number Publication Date
CN109046488A true CN109046488A (en) 2018-12-21

Family

ID=64687529

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810949499.9A Pending CN109046488A (en) 2018-08-20 2018-08-20 A kind of crucible

Country Status (1)

Country Link
CN (1) CN109046488A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116697753A (en) * 2023-08-10 2023-09-05 四川杉杉新材料有限公司 Crucible transfer device

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3636229A (en) * 1970-10-26 1972-01-18 Lab Equipment Corp Electrically resistive crucible
CN1071502A (en) * 1992-11-23 1993-04-28 冶金工业部钢铁研究总院 Cold crucible for induction furnace
CN201679975U (en) * 2010-02-05 2010-12-22 樱花卫厨(中国)股份有限公司 Rotary improved structure of tap
CN203586789U (en) * 2013-09-30 2014-05-07 江苏博迁新材料有限公司 Self-sustaining type crucible
DE202014104362U1 (en) * 2014-08-05 2014-10-23 Fluxana GmbH & Co. KG Analysis oven with covered crucible
CN204485357U (en) * 2015-03-26 2015-07-22 张连永 Hand cooler crystallizer
CN205948470U (en) * 2016-06-28 2017-02-15 周赞龙 Sewage filtering device
CN206101153U (en) * 2017-01-12 2017-04-19 大方县阳光林业综合开发有限责任公司 Gardens are with atomizing sprinkling irrigation equipment
CN206150044U (en) * 2017-01-12 2017-05-10 深圳市翠绿洲环境艺术有限公司 Irrigation spray nozzle for afforestation
CN206787291U (en) * 2017-05-22 2017-12-22 东莞市杰夫阻燃材料有限公司 A kind of channelling water crucible mechanism

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3636229A (en) * 1970-10-26 1972-01-18 Lab Equipment Corp Electrically resistive crucible
CN1071502A (en) * 1992-11-23 1993-04-28 冶金工业部钢铁研究总院 Cold crucible for induction furnace
CN201679975U (en) * 2010-02-05 2010-12-22 樱花卫厨(中国)股份有限公司 Rotary improved structure of tap
CN203586789U (en) * 2013-09-30 2014-05-07 江苏博迁新材料有限公司 Self-sustaining type crucible
DE202014104362U1 (en) * 2014-08-05 2014-10-23 Fluxana GmbH & Co. KG Analysis oven with covered crucible
CN204485357U (en) * 2015-03-26 2015-07-22 张连永 Hand cooler crystallizer
CN205948470U (en) * 2016-06-28 2017-02-15 周赞龙 Sewage filtering device
CN206101153U (en) * 2017-01-12 2017-04-19 大方县阳光林业综合开发有限责任公司 Gardens are with atomizing sprinkling irrigation equipment
CN206150044U (en) * 2017-01-12 2017-05-10 深圳市翠绿洲环境艺术有限公司 Irrigation spray nozzle for afforestation
CN206787291U (en) * 2017-05-22 2017-12-22 东莞市杰夫阻燃材料有限公司 A kind of channelling water crucible mechanism

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116697753A (en) * 2023-08-10 2023-09-05 四川杉杉新材料有限公司 Crucible transfer device
CN116697753B (en) * 2023-08-10 2023-10-10 四川杉杉新材料有限公司 Crucible transfer device

Similar Documents

Publication Publication Date Title
CN108525624A (en) A kind of water cooling and the integrated reaction kettle for improving reaction efficiency of heating water bath
CN109046488A (en) A kind of crucible
CN109012777A (en) A kind of crucible
CN109046489A (en) A kind of crucible
CN214458954U (en) Washing barrel of washing machine and washing machine
CN211004511U (en) Chemiluminescent magnetic particle reagent subpackaging device
CN209073384U (en) A kind of Yoghourt fermentation device
CN207193254U (en) A kind of miniaturized application device for preparing ferment
CN214250310U (en) Beer and beverage quick-cooling cabinet
CN208430157U (en) A kind of removable sealing device for fermentation tanks
CN210965532U (en) Temperature-adjustable and controllable low-temperature high-speed centrifuge
CN204428884U (en) The extractor of sulfur cream
CN209284216U (en) A kind of fruit juice storage device with sterilizing function
CN208651922U (en) A kind of air water rotation distributor gear
CN207745845U (en) A kind of reaction kettle outlet valve
CN206715874U (en) A kind of powder material inlet valve and cutting alloy melt stirring device
CN208632508U (en) Vinegar Fermentation pond
CN207753525U (en) One kind being convenient for clean electric motor end cap
CN207734898U (en) A kind of material stock equipment preventing materials from spattering
CN208472119U (en) A kind of glucose crystallization equipment
CN207047187U (en) A kind of tea oil effective filter
CN206453859U (en) The washer that a kind of department of general surgery uses
CN206746141U (en) Multi-functional deer blood filter
CN205340208U (en) Multifunctional extracting tank
CN209242810U (en) A kind of wastewater treatment equipment

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20181221