CN216826065U - A acidizing fluid dosing unit for oil gas exploitation - Google Patents

A acidizing fluid dosing unit for oil gas exploitation Download PDF

Info

Publication number
CN216826065U
CN216826065U CN202220361666.XU CN202220361666U CN216826065U CN 216826065 U CN216826065 U CN 216826065U CN 202220361666 U CN202220361666 U CN 202220361666U CN 216826065 U CN216826065 U CN 216826065U
Authority
CN
China
Prior art keywords
main body
control block
control
oil
conveyor
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.)
Expired - Fee Related
Application number
CN202220361666.XU
Other languages
Chinese (zh)
Inventor
杨明
解海邦
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 CN202220361666.XU priority Critical patent/CN216826065U/en
Application granted granted Critical
Publication of CN216826065U publication Critical patent/CN216826065U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Accessories For Mixers (AREA)

Abstract

本实用新型涉及配料器械技术领域,尤其为一种用于油气开采的酸化液配料装置,包括工作台,所述工作台的端面上设置有输送机主体,所述输送机主体的端面上设置有搅拌机主体,所述搅拌机主体的侧壁上通过连接板连接有感应探头,所述输送机主体的驱动端通过联轴器连接有间歇转动箱,本实用新型通过在装置中采用调节螺纹控制块来控制化学试剂流速的设计,使得反应更加的充分,不会造成化学试剂的浪费,从而解决了化学试剂浪费的问题,通过在装置中采用输送机主体与搅拌机主体的共同作业的设计,使得工作人员在配比工作的时更加的轻松,从而解决了配比困难的问题。

Figure 202220361666

The utility model relates to the technical field of batching equipment, in particular to an acidified liquid batching device for oil and gas exploitation, comprising a workbench, an end surface of the workbench is provided with a conveyor main body, and an end surface of the conveyor main body is provided with a conveyor body. The main body of the mixer, the side wall of the main body of the mixer is connected with the induction probe through the connecting plate, the driving end of the main body of the conveyor is connected with the intermittent rotation box through the coupling, the utility model adopts the adjusting screw control block in the device to The design of controlling the flow rate of chemical reagents makes the reaction more sufficient and will not cause waste of chemical reagents, thus solving the problem of waste of chemical reagents. It is easier to work in proportioning, thus solving the problem of difficult proportioning.

Figure 202220361666

Description

一种用于油气开采的酸化液配料装置An acidified liquid batching device for oil and gas exploitation

技术领域technical field

本实用新型涉及配料器械技术领域,具体为一种用于油气开采的酸化液配料装置。The utility model relates to the technical field of batching equipment, in particular to an acidifying liquid batching device used for oil and gas exploitation.

背景技术Background technique

油气开采的酸化液配料装置是在油气开采的酸化液配料中一种非常常见的配料装置,但是现有的用于油气开采的酸化液配料装置不能控制每种试剂的用量,从而造成了化学试剂的浪费,而且现有的用于油气开采的酸化液配料装置在化学试剂配比的时候比较困难,从而在一定程度上影响了工作的效率,针对以上问题,需要提供一种可控制的、试剂配比容易的用于油气开采的酸化液配料装置。The acidifying liquid batching device for oil and gas exploitation is a very common batching device in the acidifying liquid batching for oil and gas exploitation, but the existing acidifying liquid batching device for oil and gas exploitation cannot control the dosage of each reagent, resulting in chemical reagents. In addition, the existing acidifying liquid batching device for oil and gas exploitation is difficult to mix chemical reagents, which affects the efficiency of work to a certain extent. In view of the above problems, it is necessary to provide a controllable reagent The acidifying liquid batching device for oil and gas exploitation with easy proportioning.

实用新型内容Utility model content

本实用新型的目的在于提供一种用于油气开采的酸化液配料装置,以解决上述背景技术中提出的问题。The purpose of this utility model is to provide an acidified liquid batching device for oil and gas exploitation, so as to solve the problems raised in the above-mentioned background technology.

为实现上述目的,本实用新型提供如下技术方案:To achieve the above object, the utility model provides the following technical solutions:

一种用于油气开采的酸化液配料装置,包括工作台,所述工作台的端面上设置有输送机主体,所述输送机主体的端面上设置有搅拌机主体,所述搅拌机主体的侧壁上通过连接板连接有感应探头,所述输送机主体的驱动端通过联轴器连接有间歇转动箱,所述工作台的端面上并且位于输送机主体的一侧设置有若干组漏斗支撑架,所述漏斗支撑架的端面上通过固定环连接有储料漏斗,所述储料漏斗的出料口处设置有固定控制块,所述固定控制块的侧壁上开设有控制槽,所述固定控制块上并且与控制槽对应设置有活动控制块,所述活动控制块的另一端通过连接轴连接有活动杆,所述活动杆的侧壁上设置有控制螺纹,所述活动杆的侧壁上并且与控制螺纹对应设置有螺纹控制块,所述活动杆的另一端连接有感应气缸,所述储料漏斗的侧壁上通过固定环连接有感应接收器,所述感应气缸通过螺栓固定连接在漏斗支撑架上。An acidifying liquid batching device for oil and gas exploitation, comprising a workbench, a conveyor main body is arranged on the end face of the workbench, a mixer main body is arranged on the end face of the conveyor main body, and a side wall of the agitator main body is arranged An induction probe is connected through a connecting plate, an intermittent rotating box is connected to the drive end of the conveyor body through a coupling, and several groups of funnel support frames are arranged on the end surface of the worktable and located on one side of the conveyor body. A storage funnel is connected to the end surface of the funnel support frame through a fixing ring, a fixed control block is arranged at the discharge port of the storage funnel, and a control groove is opened on the side wall of the fixed control block. A movable control block is arranged on the block and corresponding to the control groove, the other end of the movable control block is connected with a movable rod through a connecting shaft, a control thread is provided on the side wall of the movable rod, and the side wall of the movable rod is provided with a control thread. Corresponding to the control thread, a threaded control block is provided, the other end of the movable rod is connected with an induction cylinder, the side wall of the storage funnel is connected with an induction receiver through a fixing ring, and the induction cylinder is fixedly connected to the cylinder by bolts. on the funnel support.

作为本实用新型优选的方案,所述感应探头与感应接收器的连接方式为无线通讯连接。As a preferred solution of the present invention, the connection between the induction probe and the induction receiver is wireless communication connection.

作为本实用新型优选的方案,所述控制槽与活动控制块的连接方式为滑动连接。As a preferred solution of the present invention, the connection between the control groove and the movable control block is a sliding connection.

作为本实用新型优选的方案,所述控制螺纹与螺纹控制块的连接方式为螺纹连接。As a preferred solution of the present invention, the connection between the control thread and the thread control block is threaded connection.

作为本实用新型优选的方案,所述感应气缸通过导线与感应接收器相连接并且连接方式为电性连接。As a preferred solution of the present invention, the induction cylinder is connected with the induction receiver through wires and the connection mode is electrical connection.

与现有技术相比,本实用新型的有益效果是:Compared with the prior art, the beneficial effects of the present utility model are:

1、本实用新型中,通过在装置中采用调节螺纹控制块来控制化学试剂流速的设计,使得反应更加的充分,不会造成化学试剂的浪费,从而解决了化学试剂浪费的问题。1. In the present utility model, the design of adjusting the flow rate of chemical reagents is adopted in the device to control the flow rate of chemical reagents, so that the reaction is more sufficient, and the waste of chemical reagents will not be caused, thus solving the problem of waste of chemical reagents.

2、本实用新型中,通过在装置中采用输送机主体与搅拌机主体的共同作业的设计,使得工作人员在配比工作的时更加的轻松,从而解决了配比困难的问题。2. In the present utility model, the design of the joint operation of the main body of the conveyor and the main body of the mixer is adopted in the device, which makes it easier for the staff to work in proportioning, thereby solving the problem of difficult proportioning.

附图说明Description of drawings

图1为本实用新型正等侧结构示意图;Fig. 1 is the structural schematic diagram of the isometric side of the utility model;

图2为本实用新型输送机主体结构示意图;2 is a schematic diagram of the main structure of the conveyor of the utility model;

图3为本实用新型搅拌机主体结构示意图;3 is a schematic diagram of the main structure of the mixer of the present invention;

图4为本实用新型储料漏斗正面结构示意图;Fig. 4 is the front structure schematic diagram of the material storage funnel of the utility model;

图5为本实用新型储料漏斗背面结构示意图;5 is a schematic diagram of the structure of the back of the storage funnel of the present invention;

图6为本实用新型储料漏斗爆炸结构示意图。Figure 6 is a schematic diagram of the explosion structure of the material storage funnel of the present invention.

图中:1、工作台;2、输送机主体;3、搅拌机主体;4、感应探头;5、间歇转动箱;6、漏斗支撑架;7、储料漏斗;8、固定控制块;9、控制槽;10、活动控制块;11、活动杆;12、控制螺纹;13、螺纹控制块;14、感应气缸;15、感应接收器。In the figure: 1. Workbench; 2. Main body of conveyor; 3. Main body of mixer; 4. Induction probe; 5. Intermittent rotating box; 6. Funnel support frame; 7. Material storage funnel; 8. Fixed control block; control groove; 10, movable control block; 11, movable rod; 12, control thread; 13, thread control block; 14, induction cylinder; 15, induction receiver.

具体实施方式Detailed ways

下面将结合本实用新型实施例,对本实用新型实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本实用新型一部分实施例,而不是全部的实施例,基于本实用新型中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本实用新型保护的范围。The technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. The embodiments in the utility model, and all other embodiments obtained by those of ordinary skill in the art without creative work, fall within the protection scope of the present utility model.

为了便于理解本实用新型,下面将参照相关附图对本实用新型进行更全面的描述,给出了本实用新型的若干实施例,但是,本实用新型可以以许多不同的形式来实现,并不限于本文所描述的实施例,相反地,提供这些实施例的目的是使对本实用新型的公开内容更加透彻全面。In order to facilitate the understanding of the present utility model, the present utility model will be more fully described below with reference to the related drawings, and several embodiments of the present utility model are given. However, the present utility model can be realized in many different forms, and is not limited to The embodiments described herein are, on the contrary, provided so that this disclosure will be thorough and complete.

需要说明的是,当元件被称为“固设于”另一个元件,它可以直接在另一个元件上或者也可以存在居中的元件,当一个元件被认为是“连接”另一个元件,它可以是直接连接到另一个元件或者可能同时存在居中元件,本文所使用的术语“垂直的”、“水平的”、“左”、“右”以及类似的表述只是为了说明的目的。It should be noted that when an element is referred to as being "fixed" to another element, it may be directly on the other element or intervening elements may also be present, and when an element is referred to as being "connected" to another element, it may Whether directly connected to another element or possibly with intervening elements, the terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

除非另有定义,本文所使用的所有的技术和科学术语与属于本实用新型的技术领域的技术人员通常理解的含义相同,本文中在本实用新型的说明书中所使用的术语只是为了描述具体的实施例的目的,不是旨在于限制本实用新型,本文所使用的术语“及/或”包括一个或多个相关的所列项目的任意的和所有的组合。Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field of the present invention, and the terms used herein in the description of the present invention are only for describing specific For the purpose of the examples, and not for the purpose of limiting the invention, the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

请参阅图1-6,本实用新型提供一种技术方案:Please refer to Figures 1-6, the present utility model provides a technical solution:

一种用于油气开采的酸化液配料装置,包括工作台1,工作台1的端面上设置有输送机主体2,输送机主体2的端面上设置有搅拌机主体3,搅拌机主体3的侧壁上通过连接板连接有感应探头4,输送机主体2的驱动端通过联轴器连接有间歇转动箱5,工作台1的端面上并且位于输送机主体2的一侧设置有若干组漏斗支撑架6,漏斗支撑架6的端面上通过固定环连接有储料漏斗7,储料漏斗7的出料口处设置有固定控制块8,固定控制块8的侧壁上开设有控制槽9,固定控制块8上并且与控制槽9对应设置有活动控制块10,活动控制块10的另一端通过连接轴连接有活动杆11,活动杆11的侧壁上设置有控制螺纹12,活动杆11的侧壁上并且与控制螺纹12对应设置有螺纹控制块13,活动杆11的另一端连接有感应气缸14,储料漏斗7的侧壁上通过固定环连接有感应接收器15,感应气缸14通过螺栓固定连接在漏斗支撑架6上。An acidifying liquid batching device for oil and gas exploitation, comprising a workbench 1, a conveyor main body 2 is arranged on the end face of the workbench 1, a mixer main body 3 is arranged on the end face of the conveyor main body 2, and a side wall of the agitator main body 3 is provided. The induction probe 4 is connected through the connecting plate, the intermittent rotation box 5 is connected to the driving end of the conveyor main body 2 through the coupling, and several groups of funnel support frames 6 are arranged on the end surface of the worktable 1 and located on one side of the conveyor main body 2 , the end surface of the funnel support frame 6 is connected with a storage funnel 7 through a fixed ring, a fixed control block 8 is arranged at the discharge port of the storage funnel 7, and a control groove 9 is opened on the side wall of the fixed control block 8, and the fixed control A movable control block 10 is provided on the block 8 and corresponding to the control slot 9. The other end of the movable control block 10 is connected with a movable rod 11 through a connecting shaft. The side wall of the movable rod 11 is provided with a control thread 12. A threaded control block 13 is arranged on the wall and corresponding to the control thread 12, the other end of the movable rod 11 is connected with an induction cylinder 14, the side wall of the storage funnel 7 is connected with an induction receiver 15 through a fixing ring, and the induction cylinder 14 is connected with a bolt It is fixedly connected to the funnel support frame 6 .

实施例,请参照图1、图2、图3和图4,首先将整个装置接通电源,使其处于工作状态,之后在装置中的储料漏斗7中加入不同的混合试剂,之后在控制螺纹12与螺纹控制块13的连接方式为螺纹连接的条件下通过转动螺纹控制块13调节每种试剂的配比的剂量,之后通过控制开关启动输送机主体2,同时输送机主体2在间歇转动箱5的作用下,间歇的转动。For example, please refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 4. First, the whole device is powered on to make it in working state, and then different mixed reagents are added to the storage funnel 7 in the device, and then the control is performed. Under the condition that the screw thread 12 and the screw control block 13 are connected in a screw connection, the dosage of each reagent is adjusted by rotating the screw control block 13, and then the conveyor main body 2 is activated by the control switch, and the conveyor main body 2 rotates intermittently. Under the action of box 5, it rotates intermittently.

实施例,请参照图1、图2、图3和图5,从而将输送机主体2上的搅拌机主体3间歇性的向前传动,当搅拌机主体3上的感应探头4与储料漏斗7的侧壁上的感应接收器15相交并且在同一条直线的时候,在感应探头4与感应接收器15的连接方式为无线通讯连接,感应气缸14通过导线与感应接收器15相连接并且连接方式为电性连接的条件下,感应气缸14被启动。For example, please refer to Figure 1, Figure 2, Figure 3 and Figure 5, so that the mixer body 3 on the conveyor body 2 is intermittently driven forward, when the induction probe 4 on the mixer body 3 and the storage funnel 7 When the inductive receivers 15 on the side walls intersect and are in the same straight line, the connection method between the inductive probe 4 and the inductive receiver 15 is wireless communication connection, and the inductive cylinder 14 is connected with the inductive receiver 15 through wires and the connection method is: Under the condition of electrical connection, the induction cylinder 14 is activated.

实施例,请参照图1、图2、图4和图6,在控制槽9与活动控制块10的连接方式为滑动连接的条件下活动控制块10在活动杆11的作用下被感应气缸14拉出,此时位于储料漏斗7中的试剂流入到下方的搅拌机主体3中,在输送机主体2的作用下使得在储料漏斗7中的不同试剂都流进搅拌机主体3中,在搅拌机主体3的作用下化学试剂被充分的反应。For example, please refer to FIGS. 1 , 2 , 4 and 6 , under the condition that the connection between the control slot 9 and the movable control block 10 is a sliding connection, the movable control block 10 is sensed by the cylinder 14 under the action of the movable rod 11 . Pull out, at this time, the reagent in the storage funnel 7 flows into the mixer main body 3 below, and under the action of the conveyor main body 2, the different reagents in the storage funnel 7 all flow into the mixer main body 3. Under the action of the main body 3, the chemical reagent is fully reacted.

本实用新型工作流程:首先将整个装置接通电源,使其处于工作状态,之后在装置中的储料漏斗7中加入不同的混合试剂,之后在控制螺纹12与螺纹控制块13的连接方式为螺纹连接的条件下通过转动螺纹控制块13调节每种试剂的配比的剂量,之后通过控制开关启动输送机主体2,同时输送机主体2在间歇转动箱5的作用下,间歇的转动,从而将输送机主体2上的搅拌机主体3间歇性的向前传动,当搅拌机主体3上的感应探头4与储料漏斗7的侧壁上的感应接收器15相交并且在同一条直线的时候,在感应探头4与感应接收器15的连接方式为无线通讯连接,感应气缸14通过导线与感应接收器15相连接并且连接方式为电性连接的条件下,感应气缸14被启动,在控制槽9与活动控制块10的连接方式为滑动连接的条件下活动控制块10在活动杆11的作用下被感应气缸14拉出,此时位于储料漏斗7中的试剂流入到下方的搅拌机主体3中,在输送机主体2的作用下使得在储料漏斗7中的不同试剂都流进搅拌机主体3中,在搅拌机主体3的作用下化学试剂被充分的反应。The working process of the utility model: firstly, the whole device is powered on to make it in a working state, then different mixed reagents are added to the storage funnel 7 in the device, and then the connection method between the control thread 12 and the thread control block 13 is as follows: Under the condition of threaded connection, the dosage of each reagent is adjusted by rotating the threaded control block 13, and then the conveyor main body 2 is started through the control switch. The mixer main body 3 on the conveyor main body 2 is intermittently driven forward. When the induction probe 4 on the mixer main body 3 and the induction receiver 15 on the side wall of the storage funnel 7 intersect and are in the same straight line, in the The connection mode between the induction probe 4 and the induction receiver 15 is wireless communication connection, and the induction cylinder 14 is connected with the induction receiver 15 through wires and the connection mode is electrical connection. The connection mode of the movable control block 10 is sliding connection, and the movable control block 10 is pulled out by the induction cylinder 14 under the action of the movable rod 11. At this time, the reagent located in the storage funnel 7 flows into the mixer body 3 below, Under the action of the conveyor main body 2 , different reagents in the storage funnel 7 flow into the mixer main body 3 , and the chemical reagents are fully reacted under the action of the mixer main body 3 .

尽管已经示出和描述了本实用新型的实施例,对于本领域的普通技术人员而言,可以理解在不脱离本实用新型的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型,本实用新型的范围由所附权利要求及其等同物限定。Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (5)

1. An acidizing fluid dosing unit for oil and gas exploitation, includes workstation (1), its characterized in that: the automatic feeding device is characterized in that a conveyor main body (2) is arranged on the end face of the workbench (1), a stirrer main body (3) is arranged on the end face of the conveyor main body (2), an induction probe (4) is connected onto the side wall of the stirrer main body (3) through a connecting plate, the driving end of the conveyor main body (2) is connected with an intermittent rotating box (5) through a coupling, a plurality of groups of hopper supporting frames (6) are arranged on the end face of the workbench (1) and on one side of the conveyor main body (2), a material storage hopper (7) is connected onto the end face of each hopper supporting frame (6) through a fixing ring, a fixed control block (8) is arranged at the material outlet of each material storage hopper (7), a control groove (9) is formed on the side wall of each fixed control block (8), and a movable control block (10) is correspondingly arranged on each fixed control block (8) and corresponding to the control groove (9), the other end of activity control block (10) is connected with movable rod (11) through the connecting axle, be provided with control screw thread (12) on the lateral wall of movable rod (11), on the lateral wall of movable rod (11) and correspond with control screw thread (12) and be provided with screw thread control block (13), the other end of movable rod (11) is connected with response cylinder (14), be connected with response receiver (15) through solid fixed ring on the lateral wall of storage funnel (7), response cylinder (14) are through bolt fixed connection on funnel support frame (6).
2. The acidizing fluid blending device for oil and gas production according to claim 1, wherein: the induction probe (4) is connected with the induction receiver (15) in a wireless communication mode.
3. The acidizing fluid blending device for oil and gas production according to claim 1, wherein: the control groove (9) is connected with the movable control block (10) in a sliding way.
4. The acidizing fluid blending device for oil and gas production according to claim 1, wherein: the control thread (12) and the thread control block (13) are connected in a threaded manner.
5. The acidizing fluid blending device for oil and gas production according to claim 1, wherein: the induction cylinder (14) is connected with the induction receiver (15) through a lead and is electrically connected.
CN202220361666.XU 2022-02-21 2022-02-21 A acidizing fluid dosing unit for oil gas exploitation Expired - Fee Related CN216826065U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220361666.XU CN216826065U (en) 2022-02-21 2022-02-21 A acidizing fluid dosing unit for oil gas exploitation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220361666.XU CN216826065U (en) 2022-02-21 2022-02-21 A acidizing fluid dosing unit for oil gas exploitation

Publications (1)

Publication Number Publication Date
CN216826065U true CN216826065U (en) 2022-06-28

Family

ID=82091178

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220361666.XU Expired - Fee Related CN216826065U (en) 2022-02-21 2022-02-21 A acidizing fluid dosing unit for oil gas exploitation

Country Status (1)

Country Link
CN (1) CN216826065U (en)

Similar Documents

Publication Publication Date Title
CN103522404B (en) A kind of continuous feeding system of cement pipe making machine
CN206663562U (en) Mixing equipment for plastic processing and production
CN112537005A (en) Online transmission mixing arrangement that proportional mixing mixes
CN221999558U (en) Fertilizer mixing equipment
CN203510439U (en) Continuous feeding system of cement pipe making machine
CN218901623U (en) Disinfectant raw material mixing device
CN202263536U (en) Horizontal type stirrer provided with feeding device
CN210752436U (en) Material mixing device is used in water treatment agent production
CN215654841U (en) A agitated vessel for polycarboxylate water reducing agent configuration
CN205386431U (en) Supplementary material hybrid system in full price feed production technology
CN214819918U (en) Stirrer for rubber production
CN212758570U (en) Chemical reaction kettle
CN209828819U (en) Milk cow feed mixing device
CN205650102U (en) A mixing equipment for hardware raw materials
CN206230690U (en) A kind of feeding mechanism of high-efficiency stirring mortar mixer
CN208727352U (en) A kind of micron, sub-micron, nanomaterial ball milling mixing tank
CN207760347U (en) A kind of microbial bacterial agent sterilization agitating device
CN206139089U (en) Uniform stirrer
CN215138869U (en) Novel V type mixes machine with reinforced device
CN205109434U (en) Full mixed feed mixer
CN213132717U (en) Colloid medium mixing arrangement
CN221183201U (en) Flotation pulp agitator
CN223393292U (en) Feed additive mixing equipment
CN217392641U (en) A fall magnetism device for lithium carbonate compounding
CN222694540U (en) A sewage treatment agent mixing device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20220628

CF01 Termination of patent right due to non-payment of annual fee