CN112934015B - Gas-liquid mixing and filling device and method - Google Patents

Gas-liquid mixing and filling device and method Download PDF

Info

Publication number
CN112934015B
CN112934015B CN202110117123.3A CN202110117123A CN112934015B CN 112934015 B CN112934015 B CN 112934015B CN 202110117123 A CN202110117123 A CN 202110117123A CN 112934015 B CN112934015 B CN 112934015B
Authority
CN
China
Prior art keywords
chamber
gas
liquid
liquid mixing
height
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
Application number
CN202110117123.3A
Other languages
Chinese (zh)
Other versions
CN112934015A (en
Inventor
王志猛
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN202110117123.3A priority Critical patent/CN112934015B/en
Publication of CN112934015A publication Critical patent/CN112934015A/en
Application granted granted Critical
Publication of CN112934015B publication Critical patent/CN112934015B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/29—Mixing systems, i.e. flow charts or diagrams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/80—Mixing plants; Combinations of mixers
    • B01F33/81—Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • B67C3/22—Details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • B67C3/22—Details
    • B67C3/26—Filling-heads; Means for engaging filling-heads with bottle necks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/06—Mixing of food ingredients
    • B01F2101/14—Mixing of ingredients for non-alcoholic beverages; Dissolving sugar in water

Abstract

The invention relates to a gas-liquid mixing and filling device and a gas-liquid mixing and filling method. The gas-liquid mixing and filling device comprises a tank chamber and a filling body. The chamber defines a first air chamber and a first liquid mixing space. The filling body comprises a containing chamber and a plurality of injection ports, the containing chamber defines a second air chamber and a second liquid mixing space, and the plurality of injection ports are communicated with the second liquid mixing space. A first pipeline is communicated with the first air chamber and the second air chamber. A second pipeline is communicated with the first liquid mixing space and the second liquid mixing space.

Description

Gas-liquid mixing and filling device and method
Technical Field
The invention relates to a gas-liquid mixing and filling device and a gas-liquid mixing and filling method.
Background
Since the liquid has a property of dissolving gas therein, carbonated beverages or other mixed liquids in which a large amount of gas is dissolved can be manufactured, and the lower the temperature of the liquid, the higher the gas dissolution rate, the lower the temperature of the liquid, the more the mixed liquid is filled into a container, but the lower the temperature of the production line, the more power consumption is caused. If the filling is performed in a normal temperature filling manner, the mixed liquid in the filling tank releases a large amount of gas, so that the height and width of the filling tank need to be increased greatly to accommodate the gas released by the mixed liquid and ensure the filling amount of the mixed liquid, which may cause the structure of the filling tank to be too high and too large, thereby affecting the manufacturing cost of the filling tank to be too large and the plant space to be limited, and thus there is a disadvantage to be improved urgently.
Therefore, there is a need to provide a novel and advanced gas-liquid mixing and filling device and method to solve the above problems.
Disclosure of Invention
The main object of the present invention is to provide a gas-liquid mixing and filling device which can provide a high filling amount without heightening and enlarging a filling body to ensure the efficiency of filling a mixed liquid.
Another object of the present invention is to provide a gas-liquid mixing and filling method.
In order to achieve the above object, the present invention provides a gas-liquid mixing and filling device, which comprises a chamber, a filling body, a first pipeline and a second pipeline. The chamber defines a first air chamber located at the relatively upper side and a first liquid mixing space located at the relatively lower side. The filling body comprises a containing chamber and a plurality of injection ports, the containing chamber defines a second air chamber located at the upper part and a second liquid mixing space located at the lower part, the plurality of injection ports are communicated with the second liquid mixing space, and the top surface of the groove chamber is higher than the bottom surface of the containing chamber. The first pipeline is communicated with the first air chamber of the groove chamber and the second air chamber of the containing chamber. The second pipeline is communicated with the first liquid mixing space of the groove chamber and the second liquid mixing space of the accommodating chamber.
Furthermore, a mixing tank is further included for accommodating a gas-liquid mixture, and a third pipeline is connected between the mixing tank and the tank chamber.
Furthermore, the third pipeline is provided with a control valve for controlling the communication between the mixing tank and the tank chamber.
Furthermore, the first pipeline is communicated with the top of the groove chamber and the top of the containing chamber.
Furthermore, the second pipeline is communicated with the bottom of the groove chamber and the bottom of the accommodating chamber.
Furthermore, the height of the chamber defines a first height, the height of the chamber defines a second height, and the first height is less than the second height.
Further, the volume of the chamber is smaller than the volume of the chamber.
Further, the gas-liquid mixture is a carbonic acid liquid in a normal temperature state.
Furthermore, the first pipeline is communicated with the top of the groove chamber and the top of the accommodating chamber; the second pipeline is communicated with the bottom of the groove chamber and the bottom of the accommodating chamber; the height of the chamber defines a first height, the height of the chamber defines a second height, and the first height is smaller than the second height; the volume of the chamber is smaller than that of the containing chamber; the gas-liquid mixture is a carbonic acid liquid in a normal temperature state.
The invention also provides a gas-liquid mixing and filling method, which comprises the following steps: preparing a mixing tank, and injecting a gas-liquid mixture into the mixing tank; preparing a chamber, and introducing the gas-liquid mixture from the mixing tank into the chamber through a third pipeline, so that the chamber defines a first gas chamber located at the relatively upper part and a first liquid mixing space located at the relatively lower part; preparing a filling body, wherein the filling body is provided with a containing chamber and a plurality of injection ports, the containing chamber defines a second air chamber positioned relatively above and a second liquid mixing space positioned relatively below, the top surface of the chamber is higher than the bottom surface of the containing chamber, a first pipeline is communicated with the first air chamber of the chamber and the second air chamber of the containing chamber, and a second pipeline is communicated with the first liquid mixing space of the chamber and the second liquid mixing space of the containing chamber; the plurality of injection ports are communicated with the second liquid mixing space, and the injection ports can inject the liquid in the second liquid mixing space into a plurality of containers.
The invention has the beneficial effects that:
the invention provides a gas-liquid mixing and filling device and a method thereof, wherein the overall height and the transverse area of a containing chamber of the gas-liquid mixing and filling device do not need to be too large, the material cost for manufacturing a filling body can be saved, and the filling operation can be rapidly carried out in a large quantity.
Drawings
Fig. 1 and 2 are schematic views of a preferred embodiment of the present invention.
Reference numerals
1: a mixing tank; 2: a tank chamber; 21: a first air chamber; 22: a first liquid mixing space; 3: filling the body; 31: a housing chamber; 311: a second air chamber; 312: a second liquid mixing space; 32: an injection port; 41: a third pipeline; 42: a first pipeline; 43: a second pipeline; 44: a control valve; h1: a first height; h2: a second height.
Detailed Description
The following description is given by way of example only, and is not intended to limit the scope of the invention.
Referring to fig. 1 to 2, which show a preferred embodiment of the present invention, the gas-liquid mixing and filling apparatus of the present invention includes a chamber 2, a filling body 3, a first pipeline 42 and a second pipeline 43.
The chamber 2 defines a first air chamber 21 located at a relatively upper side and a first liquid mixing space 22 located at a relatively lower side, and when the gas-liquid mixture flows into the chamber 2, a part of gas in the gas-liquid mixture is dissolved into the first air chamber 21.
The filling body 3 includes a containing chamber 31 and a plurality of injection ports 32, the containing chamber 31 defines a second air chamber 311 located at an upper side and a second liquid mixing space 312 located at a lower side, the plurality of injection ports 32 are communicated with the second liquid mixing space 312, and the top surface of the chamber 2 is higher than the bottom surface of the containing chamber 31 and lower than the top surface of the containing chamber, so that the interior of the chamber 2 and the interior of the containing chamber 31 are at least partially at the same level. In this embodiment, the gas-liquid mixture is a carbonated liquid at normal temperature.
The first pipeline 42 is connected to the top of the first air chamber 21 of the chamber 2 and the top of the second air chamber 311 of the chamber 31.
The second pipeline 43 is connected to the bottom of the first liquid-mixing space 22 of the chamber 2 and the bottom of the second liquid-mixing space 312 of the accommodating chamber 31.
In the embodiment, the present invention further includes a mixing tank 1, the mixing tank 1 is used for accommodating a gas-liquid mixture, and a third pipeline 41 is connected between the mixing tank 1 and the tank chamber 2, in the embodiment, the gas-liquid mixture is carbonated beverage, and in other embodiments, the gas-liquid mixture may be other objects with gas-liquid mixture.
Therefore, the liquid in the first liquid mixing space 22 can flow into the second liquid mixing space 312 through the second pipeline 43, the liquid in the second liquid mixing space 312 can be respectively injected into a plurality of containers through the injection ports 32 for filling operation, and the first pipeline 42 is communicated with the first air chamber 21 and the second air chamber 311, the interior of the chamber 2 and the interior of the accommodating chamber 31 have the same pressure, and the liquid in the first liquid mixing space 22 can smoothly flow into the second liquid mixing space 312 through the second pipeline 43, so that the overall height and the transverse area of the accommodating chamber 31 do not need to be too large, the material cost for manufacturing the filling body can be saved, and a large amount of filling operation can be performed quickly.
Wherein, the third pipeline 41 is provided with a control valve 44 to control the communication between the mixing tank 1 and the tank chamber 2, so as to control the total amount of the gas-liquid mixture in the mixing tank 1.
Preferably, the first pipe 42 communicates with the top of the chamber 2 and the top of the chamber 31 to ensure that only gas can smoothly pass through the first pipe 42 to balance the pressure in the chamber 2 and the chamber 31.
Also preferably, the second conduit 43 communicates between the bottom of the chamber 2 and the bottom of the chamber 31 to ensure that only liquid can smoothly pass through the second conduit 43.
In addition, the height of the chamber 2 defines a first height H1, the height of the chamber 31 defines a second height H2, the first height H1 is smaller than the second height H2, and the volume of the chamber 2 is smaller than the volume of the chamber 31, so that the manufacturing cost of the chamber 2 is lower.
The invention also provides a gas-liquid mixed filling method, which comprises the following steps: preparing a mixing tank 1, and injecting a gas-liquid mixture into the mixing tank 1; providing a chamber 2, introducing the gas-liquid mixture from the mixing tank 1 into the chamber 2 through a third pipeline 41, so that the chamber 2 defines a first gas chamber 21 located at the relatively upper side and a first liquid mixing space 22 located at the relatively lower side; preparing a filling body 3, the filling body 3 being provided with a containing chamber 31 and a plurality of injection ports 32, the containing chamber 31 defining a second air chamber 311 located relatively above and a second liquid mixing space 312 located relatively below, the top surface of the chamber 2 being higher than the bottom surface of the containing chamber 31, and communicating a first pipeline 42 with the first air chamber 21 of the chamber 2 and the second air chamber 311 of the containing chamber 31, and communicating a second pipeline 43 with the first liquid mixing space 22 of the chamber 2 and the second liquid mixing space 312 of the containing chamber 31; the plurality of injection ports 32 are connected to the second liquid mixing space 312, and the injection ports 32 can inject the liquid in the second liquid mixing space 312 into a plurality of containers for filling operation.
In summary, in the gas-liquid mixing and filling apparatus and method of the present invention, since the first pipeline is communicated with the first gas chamber and the second gas chamber, the interior of the tank chamber and the interior of the containing chamber have the same pressure, and the liquid in the first liquid mixing space can smoothly flow into the second liquid mixing space through the second pipeline, the overall height and the lateral area of the containing chamber do not need to be too large, the material cost for manufacturing the filling body can be saved, and a large amount of filling operations can be performed quickly.

Claims (8)

1. A gas-liquid mixing and filling apparatus, comprising:
the tank chamber defines a first air chamber positioned relatively above and a first liquid mixing space positioned relatively below;
the filling body comprises a containing chamber and a plurality of injection ports, the containing chamber defines a second air chamber positioned at the upper part and a second liquid mixing space positioned at the lower part, the plurality of injection ports are communicated with the second liquid mixing space, and the top surface of the groove chamber is higher than the bottom surface of the containing chamber;
the first pipeline is communicated with the first air chamber of the groove chamber and the second air chamber of the containing chamber;
the second pipeline is communicated with the first liquid mixing space of the groove chamber and the second liquid mixing space of the accommodating chamber;
wherein, the first pipeline is communicated with the top of the groove chamber and the top of the containing chamber;
wherein, the second pipeline is communicated with the bottom of the groove chamber and the bottom of the accommodating chamber.
2. The gas-liquid mixing and filling apparatus according to claim 1, further comprising a mixing tank for containing a gas-liquid mixture, and a third pipe communicating between the mixing tank and the tank chamber.
3. The gas-liquid mixing and filling apparatus as recited in claim 2, wherein the third pipe is provided with a control valve for controlling communication between the mixing tub and the tub chamber.
4. The gas-liquid mixing filling device according to claim 1, wherein the height of the chamber defines a first height, the height of the chamber defines a second height, and the first height is smaller than the second height.
5. The gas-liquid mixing filling device according to claim 1, wherein a volume of the reservoir chamber is smaller than a volume of the chamber.
6. The gas-liquid mixture charging device according to claim 2 or 3, wherein the gas-liquid mixture is a carbonated liquid in a normal temperature state.
7. A gas-liquid mixing filling apparatus as defined in claim 3 wherein the height of the chamber defines a first height, the height of the chamber defines a second height, and the first height is less than the second height; the volume of the chamber is smaller than that of the containing chamber; the gas-liquid mixture is a carbonic acid liquid in a normal temperature state.
8. A method for filling a gas-liquid mixture, comprising the steps of:
preparing a mixing tank, and injecting a gas-liquid mixture into the mixing tank;
preparing a chamber, and introducing the gas-liquid mixture from the mixing tank into the chamber through a third pipeline, so that the chamber defines a first gas chamber located at the relatively upper part and a first liquid mixing space located at the relatively lower part;
preparing a filling body, wherein the filling body is provided with a containing chamber and a plurality of injection ports, the containing chamber defines a second air chamber positioned relatively above and a second liquid mixing space positioned relatively below, the top surface of the containing chamber is higher than the bottom surface of the containing chamber, a first pipeline is communicated with the top of the first air chamber of the containing chamber and the top of the second air chamber of the containing chamber, and a second pipeline is communicated with the bottom of the first liquid mixing space of the containing chamber and the bottom of the second liquid mixing space of the containing chamber;
the plurality of injection ports are communicated with the second liquid mixing space, and the plurality of injection ports can inject the liquid in the second liquid mixing space into a plurality of containers.
CN202110117123.3A 2021-01-28 2021-01-28 Gas-liquid mixing and filling device and method Active CN112934015B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110117123.3A CN112934015B (en) 2021-01-28 2021-01-28 Gas-liquid mixing and filling device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110117123.3A CN112934015B (en) 2021-01-28 2021-01-28 Gas-liquid mixing and filling device and method

Publications (2)

Publication Number Publication Date
CN112934015A CN112934015A (en) 2021-06-11
CN112934015B true CN112934015B (en) 2023-01-10

Family

ID=76238523

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110117123.3A Active CN112934015B (en) 2021-01-28 2021-01-28 Gas-liquid mixing and filling device and method

Country Status (1)

Country Link
CN (1) CN112934015B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023178628A1 (en) * 2022-03-25 2023-09-28 王志猛 Gas-liquid mixed filling device and gas-liquid mixture filling method

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB959624A (en) * 1962-08-13 1964-06-03 Paasch & Silkeborg Maskinfab Improvements relating to apparatus for the bottling of pasteurised carbonic acid containing beverages
CN87106616A (en) * 1986-09-30 1988-05-11 三菱重工业株式会社 Liquid filling device
CN1107578A (en) * 1993-03-17 1995-08-30 I.A.S.工业自动化系统公司 Apparatus for delivering metered quanties of a fluid substance
CN101008471A (en) * 2006-01-27 2007-08-01 液体空气乔治洛德方法利用和研究的具有监督和管理委员会的有限公司 Process and arrangement for filling a high pressure gas container with liquefied gas under hydrostatic pressure
JP2007283187A (en) * 2006-04-14 2007-11-01 Chugoku Electric Power Co Inc:The Carbonated water making apparatus
CN101588986A (en) * 2006-09-27 2009-11-25 Khs股份公司 Method of filling containers with a liquid filling substance
CN102951588A (en) * 2012-11-25 2013-03-06 安徽工程大学 Material level filling method of plastic pipe beverage and device
JP2014073855A (en) * 2012-10-04 2014-04-24 Mitsubishi Heavy Industries Food & Packaging Machinery Co Ltd Drink filling method
CN203794601U (en) * 2013-12-12 2014-08-27 陕西科技大学 Constant-pressure beer supplying device of beer filling machine
CN109592623A (en) * 2019-02-02 2019-04-09 长沙康欧创新科技有限公司 A kind of liquid-filling machine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191122826A (en) * 1911-10-16 1912-04-04 Anders Andersen Pindstofte Improved Process for Impregnating Liquids with Carbonic Acid and Apparatus therefor.
JPH07300196A (en) * 1994-05-10 1995-11-14 Mitsubishi Heavy Ind Ltd Charging method and device with charging valve
CN2234816Y (en) * 1995-05-05 1996-09-11 李北红 Double-box gas liquid mixer
JP4496571B2 (en) * 1999-10-14 2010-07-07 澁谷工業株式会社 Rotary filling device
EP2746215B1 (en) * 2012-12-20 2015-10-28 SIDEL S.p.A. con Socio Unico Filling machine, in particular for filling a container with a pasteurized liquid
DE102017008210B4 (en) * 2017-08-31 2020-01-16 Messer France S.A.S. Device and method for filling a mobile refrigerant tank with a cryogenic refrigerant

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB959624A (en) * 1962-08-13 1964-06-03 Paasch & Silkeborg Maskinfab Improvements relating to apparatus for the bottling of pasteurised carbonic acid containing beverages
CN87106616A (en) * 1986-09-30 1988-05-11 三菱重工业株式会社 Liquid filling device
CN1107578A (en) * 1993-03-17 1995-08-30 I.A.S.工业自动化系统公司 Apparatus for delivering metered quanties of a fluid substance
CN101008471A (en) * 2006-01-27 2007-08-01 液体空气乔治洛德方法利用和研究的具有监督和管理委员会的有限公司 Process and arrangement for filling a high pressure gas container with liquefied gas under hydrostatic pressure
JP2007283187A (en) * 2006-04-14 2007-11-01 Chugoku Electric Power Co Inc:The Carbonated water making apparatus
CN101588986A (en) * 2006-09-27 2009-11-25 Khs股份公司 Method of filling containers with a liquid filling substance
JP2014073855A (en) * 2012-10-04 2014-04-24 Mitsubishi Heavy Industries Food & Packaging Machinery Co Ltd Drink filling method
CN102951588A (en) * 2012-11-25 2013-03-06 安徽工程大学 Material level filling method of plastic pipe beverage and device
CN203794601U (en) * 2013-12-12 2014-08-27 陕西科技大学 Constant-pressure beer supplying device of beer filling machine
CN109592623A (en) * 2019-02-02 2019-04-09 长沙康欧创新科技有限公司 A kind of liquid-filling machine

Also Published As

Publication number Publication date
CN112934015A (en) 2021-06-11

Similar Documents

Publication Publication Date Title
EP1420868B1 (en) Fluid injector with vent/proportioner ports
CN112934015B (en) Gas-liquid mixing and filling device and method
CN106310986B (en) One kind circulation microvesicle formula Liqiud-gas mixing device
AU2008236123B2 (en) Carbon dioxide underground reserving system
CN101418913A (en) Pressure priming device
CN202369576U (en) Autoweighing device for liquor blending
KR20100110269A (en) Appliance for dispensing of beverages
CN101998880A (en) Emulsion production apparatus
CN201599562U (en) High-viscosity emulsifying base long-distance pumping system
CN210528533U (en) Ion exchange resin filling device
CN101541689A (en) Device for dissolving oxygen into water and apparatus for making superoxygenated water employing the same
TWI744175B (en) A gas-liquid mixing filling device and a gas-liquid mixing filling method
CN219879508U (en) Tail gas absorbing device
WO2022160154A1 (en) Gas-liquid mixing and filling device and method
CN214829147U (en) Dissolved air water preparation facilities
JP2002018253A (en) Hydrogen dissolving apparatus
CN109630893B (en) Continuous stable liquid supply system
CN206168449U (en) Pipette device
CN203048622U (en) Automatic medicine dispensing and adding device
CN214551381U (en) Airtight device that adds of defoaming agent
CN203710929U (en) Externally-mounted type device for mixing natural gas with synergist
CN212651745U (en) Airtight sled dress polymer dissolving device
CN211972266U (en) Beer airtight injection quantitative adding equipment
CN210410263U (en) Raw materials compounding system for rubber production
CN110242268B (en) Automatic blending device for physical property parameters of coal seam injection liquid and using method

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
GR01 Patent grant
GR01 Patent grant