Semiconductor-grade mixing kettle

Abstract

The utility model discloses a semiconductor grade mixing kettle which comprises a mixing kettle main body, a stirring paddle, a driving device, a weighing module, a liquid level meter, a temperature port, a pressure port and a grounding plate which are mutually combined for use to play a role, the stirring paddle is arranged in the mixing kettle main body in an offset mode, enough space is reserved for a feeding port due to offset arrangement, the feeding speed is increased, and the production efficiency is improved. The grounding plate is positioned at the lower part of the mixing kettle main body and can be connected with a grounding device, timely lead out static electricity and ensure operation safety, the lining is made of PTFE (Polytetrafluoroethylene), feed liquid is effectively protected, impurities are prevented from being separated out of the semiconductor-grade mixing kettle under the action of acid and alkali, the weighing module and the liquid level meter are mutually combined, and a displayed numerical value can be observed at any time, so that the feeding amount is controlled, and the working efficiency is improved. The product quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of wet electronic chemicals formula product preparation, concretely to a semiconductor grade mixing kettle. BACKGROUND

[0002] Mixing kettle is a kind of chemical equipment widely used in multiple industries, mainly used for mixing, blending and other operations of multiple materials, for example, commonly used in chemical industry: raw material mixing, mixing different chemical raw materials together according to certain proportion to prepare intermediates or finished products of various chemical products, such as mixing various organic compounds to prepare raw materials of synthetic resin; Or solution preparation, used for preparing solutions of various concentrations, such as acid-base solution, salt solution, etc., by accurately controlling the amount of material added and stirring conditions, to ensure uniform and accurate solution concentration.

[0003] Applied in electronic industry: electronic paste preparation, mixing and stirring of metal powder, organic carrier, additives, etc., to prepare electronic paste for electronic component manufacturing, such as silver paste, copper paste, etc., for the manufacture of printed circuit, electrode, etc.; Or etching liquid and cleaning liquid preparation: accurately mix various chemicals to prepare etching liquid and cleaning liquid with specific concentration and performance for etching and cleaning process in semiconductor chip manufacturing and circuit board processing.

[0004] For example, the Chinese patent with publication number CN204051510U discloses a stirring device for soaking liquid, which comprises a cylinder, a stirrer, a fixed clamp, a steam heating pipe and an electric heating pipe are arranged at the bottom end of the cylinder, a mounting sleeve is arranged on the fixed clamp, a display panel is arranged on the cylinder, and upper and lower limit switches are arranged on the display panel; The utility model has the advantages that: the raw materials of the soaking liquid to be stirred are placed in the cylinder, the raw materials are stirred by the stirrer, and the raw materials are heated by the steam heating pipe or the electric heating pipe to make them fully mixed and stirred, which can improve the quality of the soaking liquid stirring and facilitate uniform stirring of the soaking liquid; The stirrer is detachably arranged, which can avoid the influence of the raw materials on the stirrer during feeding and prolong the service life of the stirrer; The stirrer is fixedly connected to the cylinder by the fixed clamp, which is reliable in connection and convenient in installation and disassembly; The height of the soaking liquid during feeding is prompted by the display panel in the cylinder, which can avoid overflow of the soaking liquid during stirring and reduce waste.

[0005] Under low temperature environment, the solubility of some solid additives is low, and the dissolution speed is slow; Some chemicals will react slowly when exposed to air, which will reduce product quality; The material of the mixing kettle used at present will release some impurities in the material under the stimulation of chemicals.

[0006] In summary, the existing mixing kettle has many disadvantages, which are summarized as follows:

[0007] 1. Generally, the stirring equipment of the mixing kettle is arranged at the center of the mixing kettle, so that the feeding space cannot be maximized when feeding liquid on one side, and the production efficiency cannot be indirectly improved.

[0008] 2. There is a certain probability of static electricity release during the production process of the mixing kettle, and since the probability is not high, there is no corresponding safety measures to improve.

[0009] 3. Due to the internal metal material of the mixing kettle, part of the impurities in the material will be released under the stimulation of chemicals.

[0010] 4. Currently, there is no real-time value for the feeding amount of the mixing kettle to be observed in time. SUMMARY

[0011] In view of the deficiencies of the prior art, the utility model provides a semiconductor grade mixing kettle to solve the above problems.

[0012] To achieve the above object, the utility model realizes through the following technical scheme.

[0013] A semiconductor grade mixing kettle, comprising a mixing kettle body, a stirring paddle, a driving device, a weighing module, a liquid level meter, a temperature port, a pressure port, and a grounding plate, wherein the stirring paddle is arranged offset in the mixing kettle body, the driving device is sealingly connected with the mixing kettle body and has an output end connected with the stirring paddle, the weighing module is arranged at the bottom of the mixing kettle body, the liquid level meter is arranged at the side of the mixing kettle body and extends into the mixing kettle body, the temperature port and the pressure port are both arranged at the top of the mixing kettle body, and the grounding plate is located at the lower part of the mixing kettle body.

[0014] Preferably, the top of the mixing kettle body is further provided with a nitrogen port and a feeding port.

[0015] Preferably, the top of the mixing kettle body is further provided with a plurality of standby ports.

[0016] Preferably, the mixing kettle body is internally provided with a lining.

[0017] Preferably, the lining is made of PTFE material.

[0018] Preferably, a thermometer and a pressure gauge are respectively arranged on the temperature port and the pressure port.

[0019] Preferably, the lower part of the mixing kettle body is provided with a supporting leg.

[0020] Preferably, the grounding plate is arranged on the supporting leg.

[0021] Preferably, the weighing module is arranged at the bottom of the supporting leg.

[0022] Compared with the prior art, the utility model discloses a kind of semiconductor grade mixing kettle, including mixing kettle body, stirring paddle, driving equipment, weighing module, liquid level meter, temperature port, pressure port, grounding plate, mutually combined use plays a role,

[0023] ①stirring paddle is arranged in mixing kettle body with bias, offset arrangement gives feeding port enough space, promotes feeding speed, accelerates production efficiency;

[0024] ②grounding plate is located in the lower part of mixing kettle body, can be connected with grounding device, and static electricity is led out in time, ensures operation safety;

[0025] ③lining is PTFE material, effectively protect the material liquid, avoid semiconductor grade mixing kettle to separate impurities under the action of acid and alkali;

[0026] ④weighing module and liquid level meter are combined with each other, can observe display value at any time, to control the amount of feeding, improve product quality. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 it is the structure cut surface schematic view of the utility model semiconductor grade mixing kettle;

[0028] Figure 2 it is the structure top schematic view of the utility model semiconductor grade mixing kettle. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0030] The utility model provides a kind of semiconductor grade mixing kettle, including mixing kettle main body 1, stirring paddle 2, drive equipment 3, weighing module 4, liquid level meter 5, temperature port 15, pressure port 16, grounding plate 8, the stirring paddle 2 is offset and is arranged in mixing kettle main body 1, offset is given to feed inlet 12 leave enough space, improve feeding speed, speed up production efficiency, the drive equipment 3 is sealed and is connected with mixing kettle main body 1, and output end is connected on stirring paddle 2, the sealed connection of drive equipment 3 and mixing kettle main body 1 is the sealed design of preventing oil leakage, corrosion treatment is carried out in sealing place, prolong the service life of semiconductor grade mixing kettle and reduce the possibility of material liquid being contaminated, the weighing module 4 is arranged at the bottom of mixing kettle main body 1, the liquid level meter 5 is arranged at the side of mixing kettle main body 1, and extend to inside mixing kettle main body 1, the temperature port 15 and pressure port 16 are both arranged at the top of mixing kettle main body 1, and the temperature and pressure values in the kettle are monitored in real time by the matched thermometer and pressure gauge, the grounding plate 8 is located in the lower part of mixing kettle main body 1, can be connected with grounding device (grounding device is prior art, so it is not too much elaborated in scheme), static electricity is exported in time, and work safety is ensured.

[0031] The top of the mixing kettle main body 1 is also provided with a nitrogen inlet 11 and a feeding inlet 12.

[0032] The mixing kettle main body 1 is internally provided with an inner liner 14 made of PTFE material, which effectively protects the material liquid and prevents the semiconductor grade mixing kettle from precipitating impurities under the action of acid and alkali.

[0033] The thermometer and pressure gauge are respectively arranged on the temperature port 15 and pressure port 16.

[0034] It should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and it should also be understood that, when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, work, device, component and / or combination thereof.

[0035] It should be noted that the terms "first", "second", and the like in the description and in the claims of the present application and in the above-described drawings are used only for distinguishing between similar objects and do not necessarily have to describe a specific sequential or chronological order. It is to be understood that the data so distinguished can be interchanged, under appropriate circumstances, such that the embodiments of the present application described herein can be practiced in other than the illustrated or described order.

[0036] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A semiconductor grade compounding kettle characterized by: Including mixing kettle main part (1), stirring paddle (2), drive equipment (3), weighing module (4), liquid level meter (5), temperature port (15), pressure port (16), grounding plate (8), stirring paddle (2) is offset and is arranged in mixing kettle main part (1), drive equipment (3) is sealedly connected with mixing kettle main part (1), and output end is connected on stirring paddle (2), weighing module (4) is arranged at the bottom of mixing kettle main part (1), liquid level meter (5) is arranged at the side of mixing kettle main part (1), and extends to the inside of mixing kettle main part (1), temperature port (15) and pressure port (16) are both arranged at the top of mixing kettle main part (1), and grounding plate (8) is located at the lower part of mixing kettle main part (1).

2. The semiconductor grade compounding kettle of claim 1, wherein: The top of the mixing kettle main part (1) is also provided with a nitrogen inlet (11) and a feeding port (12).

3. The semiconductor grade compounding kettle of claim 1, wherein: The top of the mixing kettle main part (1) is also provided with a plurality of spare ports (13).

4. The semiconductor grade compounding kettle of claim 1, wherein: The mixing kettle main part (1) is internally provided with an inner liner (14).

5. The semiconductor grade compounding kettle of claim 4, wherein: The inner liner (14) is made of PTFE material.

6. The semiconductor grade compounding kettle of claim 1, wherein: A thermometer and a pressure gauge are respectively arranged on the temperature port (15) and the pressure port (16).

7. The semiconductor grade compounding kettle of claim 1, wherein: The lower part of the mixing kettle main part (1) is provided with a supporting leg (17).

8. The semiconductor grade compounding kettle of claim 7, wherein: The grounding plate (8) is arranged on the supporting leg (17).

9. The semiconductor grade compounding kettle of claim 7, wherein: The weighing module (4) is arranged at the bottom of the supporting leg (17).

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