Liquid changing device for auxiliary preparation

Abstract

The utility model discloses a liquid changing device for assistant preparation in the technical field of chemical reagent assistant preparation, which comprises a mounting rack and a liquid changing tank, the liquid changing tank is fixedly connected between the left side wall and the right side wall of the inner cavity of the mounting rack, the left side of the top of the mounting rack is fixedly connected with a liquid storage box, and the right side of the top of the mounting rack is fixedly connected with a cleaning box. A first liquid conveying pipe is fixedly connected to the right side of the bottom of an inner cavity of the liquid storage box, a second liquid conveying pipe is fixedly connected to the left side of the bottom of an inner cavity of the cleaning box, and the first liquid conveying pipe and the second liquid conveying pipe both penetrate through the mounting frame and extend to an inner cavity of the liquid changing tank; the outer side wall of the first liquid conveying pipe and the outer side wall of the second liquid conveying pipe are fixedly connected with electromagnetic valves, the upper side of the right side wall of the mounting frame is fixedly connected with a filtering box, the liquid changing device for auxiliary preparation is reasonable in structural design, the practicability is improved, and the environmental protection property is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical reagent auxiliary preparation, in particular to a liquid changing device for auxiliary preparation. Background Art

[0002] Chemical reagents are relative standard substances for chemical research and component analysis. They are an important condition for scientific and technological progress and are widely used in the synthesis, separation, qualitative and quantitative analysis of substances. They can be said to be the eyes of chemists. In the daily work of factories, schools, hospitals and research institutes, chemical reagents are indispensable. In the process of chemical experiments, chemical reagents sometimes need to be replaced, so a liquid changing device is needed to complete the liquid change.

[0003] When the existing liquid changing device is changing the liquid, the residual chemical agents inside will cause the auxiliary agents to mix and react, resulting in reagent contamination, reducing practicality. When the auxiliary agents are changed, the auxiliary agents will produce chemical gases, and direct discharge will pollute the environment, reducing environmental protection. For this reason, we have proposed a liquid changing device for auxiliary agent preparation. Utility Model Content

[0004] The purpose of the utility model is to provide a liquid replacement device for auxiliary agent preparation, so as to solve the problem in the above background technology that the auxiliary agent will react with the residual chemical agent, and the chemical gas generated by direct discharge will pollute the environment.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a liquid exchange device for auxiliary agent preparation, comprising a mounting frame and a liquid exchange tank, the liquid exchange tank is fixedly connected between the left and right side walls of the inner cavity of the mounting frame, the top left side of the mounting frame is fixedly connected to a liquid storage box, the top right side of the mounting frame is fixedly connected to a cleaning box, the right side of the inner cavity bottom of the liquid storage box is fixedly connected to a first infusion tube, the left side of the inner cavity bottom of the cleaning box is fixedly connected to a second infusion tube, the first infusion tube and the second infusion tube both pass through the mounting frame and extend to the inner cavity of the liquid exchange tank, the outer side walls of the first infusion tube and the second infusion tube are fixedly connected to an electromagnetic valve, the upper side of the right side wall of the mounting frame is fixedly connected to a filter box, the inner cavity bottom of the filter box is fixedly connected to a vacuum pump, the left side wall of the vacuum pump is fixedly connected to an air intake pipe, the air intake pipe passes through the filter box and extends to the inner cavity of the liquid exchange tank, the The filter screen is fixedly connected between the lower sides of the four side walls of the inner cavity of the filter box, an activated carbon adsorption layer is fixedly connected between the four side walls of the inner cavity of the filter box, a filter sponge layer is fixedly connected between the upper sides of the four side walls of the inner cavity of the filter box, a gas detector is fixedly connected to the upper side of the rear side wall of the inner cavity of the filter box, an exhaust pipe is fixedly connected to the top of the filter box, a drive motor is fixedly connected to the top of the liquid exchange tank, a power output shaft of the drive motor passes through the liquid exchange tank and extends to the inner cavity of the liquid exchange tank, a rotating shaft is fixedly connected to the end of the power output shaft of the drive motor, a cleaning plate is fixedly connected to the left side of the outer wall of the rotating shaft, a cleaning brush is fixedly connected to the left side wall of the cleaning plate, a water storage bin is fixedly connected to the right side of the inner cavity top of the liquid exchange tank, the second infusion pipe is fixedly connected to the water storage bin, spray heads are fixedly connected to the left and right sides of the bottom of the water storage bin, and a discharge pipe is fixedly connected to the bottom of the liquid exchange tank.

[0006] As a further description of the above technical solution: an anti-wear pad is embedded in the top of the liquid exchange tank.

[0007] As a further description of the above technical solution: the tops of the liquid storage tank and the cleaning tank are both fixedly connected with feeding pipes.

[0008] As a further description of the above technical solution: an observation window is embedded in the upper side of the front side wall of the filter box.

[0009] As a further description of the above technical solution: the outer side wall of the exhaust pipe is fixedly connected with a first valve, and the outer side wall of the discharge pipe is fixedly connected with a second valve.

[0010] As a further description of the above technical solution: a control switch is embedded in the rear wall of the liquid exchange tank, and the control switch is electrically connected to the solenoid valve, the vacuum pump, the gas detector, the drive motor and the spray head through wires.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The liquid exchange device for preparing the auxiliary agent can input the auxiliary agent into the liquid storage tank through the feed pipe, input the cleaning liquid into the cleaning box, start the solenoid valve to input the auxiliary agent into the liquid exchange tank through the first liquid infusion pipe, open the second valve to discharge the auxiliary agent through the discharge pipe, start the vacuum pump to extract the gas in the liquid exchange tank through the air inlet pipe to form a vacuum environment, start the solenoid valve to input the cleaning liquid into the water storage tank through the second liquid infusion pipe, start the spray head to spray the cleaning liquid into the liquid exchange tank, start the drive motor to drive the rotating shaft and the cleaning plate to rotate, so that the cleaning brush cleans the inner wall of the liquid exchange tank, and the cleaning liquid is discharged through the discharge pipe, thereby improving practicality.

[0013] 2. The liquid exchange device for the preparation of the additive starts the vacuum pump by controlling the switch, and draws the chemical gas inside the liquid exchange tank into the filter box through the air inlet pipe. The harmful components in the gas are absorbed by the filter screen, the activated carbon adsorption layer and the filter sponge layer, and the gas detector is passed through the observation window. After confirming that the gas filtration is completed, the first valve is opened to discharge the gas through the exhaust pipe, thereby improving environmental protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the liquid replacement device for auxiliary agent preparation proposed by the utility model;

[0015] Figure 2 This is a schematic cross-sectional view of the liquid changing device for preparing an auxiliary agent proposed in the utility model;

[0016] Figure 3 This is a schematic cross-sectional view of the filter box of the liquid changing device for preparing an auxiliary agent proposed in the utility model;

[0017] Figure 4 This is a rear structural schematic diagram of the liquid changing device for auxiliary agent preparation proposed by the utility model.

[0018] In the figure: 100, mounting frame; 110, liquid storage tank; 111, cleaning tank; 112, first infusion tube; 113, second infusion tube; 114, solenoid valve; 115, feed pipe; 120, filter box; 121, vacuum pump; 122, air inlet pipe; 130, filter screen; 131, activated carbon adsorption layer; 132, filter sponge layer; 140, gas detector; 150, exhaust pipe; 151, first valve; 160, observation window; 200, liquid exchange tank; 210, drive motor; 211, rotating shaft; 212, anti-wear pad; 220, cleaning plate; 221, cleaning brush; 230, water storage tank; 231, spray head; 240, discharge pipe; 241, second valve; 250, control switch. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] The utility model provides a liquid replacement device for additive preparation, which improves practicality and environmental protection. Figure 1-4 , including a mounting frame 100 and a liquid replacement tank 200;

[0023] Please refer again Figure 1-4A liquid storage tank 110 is fixedly connected to the left side of the top of the mounting frame 100, and a cleaning box 111 is fixedly connected to the right side of the top of the mounting frame 100. The cleaning box 111 is used to store cleaning liquid. A first infusion tube 112 is fixedly connected to the right side of the bottom of the inner cavity of the liquid storage tank 110. The first infusion tube 112 is used to transport an auxiliary agent. A second infusion tube 113 is fixedly connected to the left side of the bottom of the inner cavity of the cleaning box 111. The second infusion tube 113 is used to transport cleaning liquid. The first infusion tube 112 and the second infusion tube 113 both penetrate the mounting frame 100 and extend to the inner cavity of the liquid exchange tank 200. The outer side walls of the first infusion tube 112 and the second infusion tube 113 are fixedly connected with an electromagnetic valve 114. The electromagnetic valve 114 is used to control the switch of the first infusion tube 112 and the second infusion tube 113. A filter box is fixedly connected to the upper side of the right side wall of the mounting frame 100 120, a vacuum pump 121 is fixedly connected to the bottom of the inner cavity of the filter box 120, an air inlet pipe 122 is fixedly connected to the left wall of the vacuum pump 121, the air inlet pipe 122 is used to extract gas, the air inlet pipe 122 runs through the filter box 120 and extends to the inner cavity of the liquid exchange tank 200, a filter screen 130 is fixedly connected between the lower sides of the four side walls of the inner cavity of the filter box 120, the filter screen 130 is used to filter gas, an activated carbon adsorption layer 131 is fixedly connected between the four side walls of the inner cavity of the filter box 120, a filter sponge layer 132 is fixedly connected between the upper sides of the four side walls of the inner cavity of the filter box 120, the filter sponge layer 132 is used to filter gas, a gas detector 140 is fixedly connected to the upper side of the rear side wall of the inner cavity of the filter box 120, an exhaust pipe 150 is fixedly connected to the top of the filter box 120, the exhaust pipe 150 is used to discharge the filtered gas;

[0024] Please refer again Figure 1-4 The liquid exchange tank 200 is fixedly connected between the left and right side walls of the inner cavity of the mounting frame 100. The top of the liquid exchange tank 200 is fixedly connected with a driving motor 210. The driving motor 210 is used to drive the rotating shaft 211 to rotate. The power output shaft of the driving motor 210 passes through the liquid exchange tank 200 and extends to the inner cavity of the liquid exchange tank 200. The end of the power output shaft of the driving motor 210 is fixedly connected with a rotating shaft 211. The rotating shaft 211 is used to drive the cleaning plate 220 to rotate. The left side of the outer wall of the rotating shaft 211 is fixedly connected with the cleaning plate 220. A cleaning brush 221 is fixedly connected to the left wall of the liquid exchange tank 200, and the cleaning brush 221 is used to clean the inner wall of the liquid exchange tank 200. A water storage tank 230 is fixedly connected to the right side of the top of the inner cavity of the liquid exchange tank 200, and the water storage tank 230 is used to store cleaning liquid. The second infusion pipe 113 is fixedly connected to the water storage tank 230, and the left and right sides of the bottom of the water storage tank 230 are fixedly connected to spray heads 231, and the spray heads 231 are used to spray cleaning liquid. A discharge pipe 240 is fixedly connected to the bottom of the liquid exchange tank 200, and the discharge pipe 240 is used to discharge additives and cleaning liquid;

[0025] To summarize, the auxiliary agent can be input into the liquid storage tank 110 through the feed pipe 115, the cleaning liquid can be input into the cleaning box 111, the solenoid valve 114 can be started to allow the auxiliary agent to be input into the liquid exchange tank 200 through the first liquid infusion pipe 112, the second valve 241 can be opened to allow the auxiliary agent to be discharged through the discharge pipe 240, the vacuum pump 121 can be started to allow the gas in the liquid exchange tank 200 to be extracted through the air inlet pipe 122 to form a vacuum environment, the solenoid valve 114 can be started to allow the cleaning liquid to be input into the water storage tank 230 through the second liquid infusion pipe 113, the spray head 231 can be started to spray the cleaning liquid into the liquid exchange tank 200, the drive motor 210 can be started to drive the rotating shaft 211 and the cleaning plate 220 to rotate, so that the cleaning brush 221 can clean the inner wall of the liquid exchange tank 200, and the cleaning liquid can be discharged through the discharge pipe 240, thereby improving practicality.

[0026] Please refer again Figure 2 An anti-wear pad 212 is embedded in the top of the liquid exchange tank 200, and the anti-wear pad 212 is used to prevent damage to parts caused by friction.

[0027] Please refer again Figure 1-2 The tops of the liquid storage tank 110 and the cleaning tank 111 are fixedly connected with a feeding pipe 115, and the feeding pipe 115 is used to input the auxiliary agent and the cleaning liquid.

[0028] Please refer again Figure 1 An observation window 160 is embedded in the upper side of the front side wall of the filter box 120, and the observation window 160 is used to observe the gas detector 140 to confirm that the gas filtering is completed.

[0029] Please refer again Figure 1-2 A first valve 151 is fixedly connected to the outer wall of the exhaust pipe 150 , and a second valve 241 is fixedly connected to the outer wall of the discharge pipe 240 . The first valve 151 is used to control the switch of the exhaust pipe 150 , and the second valve 241 is used to control the switch of the discharge pipe 240 .

[0030] Please refer again Figure 4 A control switch 250 is embedded in the rear side wall of the liquid exchange tank 200, and the control switch 250 is electrically connected to the solenoid valve 114, the vacuum pump 121, the gas detector 140, the drive motor 210 and the spray head 231 through wires. The control switch 250 is used to control the solenoid valve 114, the vacuum pump 121, the gas detector 140, the drive motor 210 and the spray head 231.

[0031] In summary, the vacuum pump 121 is started by controlling the switch 250, and the chemical gas inside the liquid exchange tank 200 is pumped into the filter box 120 through the air inlet pipe 122. The harmful components in the gas are absorbed by the filter mesh 130, the activated carbon adsorption layer 131 and the filter sponge layer 132, and pass through the gas detector 140 through the observation window 160. After confirming that the gas filtration is completed, the first valve 151 is opened to discharge the gas through the exhaust pipe 150, thereby improving environmental protection.

[0032] During specific use, when the personnel in this technical field clean the liquid exchange device after liquid exchange, they can input the auxiliary agent into the liquid storage tank 110 through the feed pipe 115, input the cleaning liquid into the cleaning box 111, start the solenoid valve 114 to input the auxiliary agent into the liquid exchange tank 200 through the first liquid infusion pipe 112, open the second valve 241 to discharge the auxiliary agent through the discharge pipe 240, start the vacuum pump 121 to extract the gas in the liquid exchange tank 200 through the air inlet pipe 122 to form a vacuum environment, start the solenoid valve 114 to input the cleaning liquid into the water storage tank 230 through the second liquid infusion pipe 113, start the spray head 231 to spray the cleaning liquid into the liquid exchange tank 200, and start The dynamic driving motor 210 drives the rotating shaft 211 and the cleaning plate 220 to rotate, so that the cleaning brush 221 cleans the inner wall of the liquid exchange tank 200, and the cleaning liquid is discharged through the discharge pipe 240. When the chemical gas generated by the auxiliary agent is treated, the vacuum pump 121 is started by the control switch 250, and the chemical gas inside the liquid exchange tank 200 is pumped into the filter box 120 through the air inlet pipe 122. The harmful components in the gas are absorbed by the filter mesh 130, the activated carbon adsorption layer 131 and the filter sponge layer 132, and pass through the gas detector 140 through the observation window 160. After confirming that the gas filtration is completed, the first valve 151 is opened to discharge the gas through the exhaust pipe 150.

[0033] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0034] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A liquid replacement device for preparing an additive, characterized in that: The invention comprises a mounting frame (100) and a fluid replacement tank (200), wherein the fluid replacement tank (200) is fixedly connected between left and right side walls of an inner cavity of the mounting frame (100), a fluid storage tank (110) is fixedly connected to the left side of the top of the mounting frame (100), a cleaning box (111) is fixedly connected to the right side of the top of the mounting frame (100), a first fluid infusion tube (112) is fixedly connected to the right side of the bottom of the inner cavity of the fluid storage tank (110), and a second fluid infusion tube (113) is fixedly connected to the left side of the bottom of the inner cavity of the cleaning box (111), and both the first fluid infusion tube (112) and the second fluid infusion tube (113) pass through the mounting frame (100). 00) and extends to the inner cavity of the liquid exchange tank (200), the outer side walls of the first infusion tube (112) and the second infusion tube (113) are fixedly connected with a solenoid valve (114), the upper side of the right side wall of the mounting frame (100) is fixedly connected with a filter box (120), the bottom of the inner cavity of the filter box (120) is fixedly connected with a vacuum pump (121), the left side wall of the vacuum pump (121) is fixedly connected with an air intake pipe (122), the air intake pipe (122) passes through the filter box (120) and extends to the inner cavity of the liquid exchange tank (200), and the lower sides of the four side walls of the inner cavity of the filter box (120) are fixedly connected. A filter screen (130) is connected, an activated carbon adsorption layer (131) is fixedly connected between the four side walls of the inner cavity of the filter box (120), a filter sponge layer (132) is fixedly connected between the upper sides of the four side walls of the inner cavity of the filter box (120), a gas detector (140) is fixedly connected to the upper side of the rear side wall of the inner cavity of the filter box (120), an exhaust pipe (150) is fixedly connected to the top of the filter box (120), a drive motor (210) is fixedly connected to the top of the liquid exchange tank (200), and a power output shaft of the drive motor (210) passes through the liquid exchange tank (200) and extends to the liquid exchange tank (200). 00), the end of the power output shaft of the driving motor (210) is fixedly connected to a rotating shaft (211), a cleaning plate (220) is fixedly connected to the left side of the outer wall of the rotating shaft (211), a cleaning brush (221) is fixedly connected to the left side wall of the cleaning plate (220), a water storage bin (230) is fixedly connected to the right side of the top of the inner cavity of the liquid exchange tank (200), the second infusion pipe (113) is fixedly connected to the water storage bin (230), the left and right sides of the bottom of the water storage bin (230) are fixedly connected to spray heads (231), and the bottom of the liquid exchange tank (200) is fixedly connected to a discharge pipe (240).

2. The liquid replacement device for preparing an auxiliary agent according to claim 1, characterized in that: An anti-wear pad (212) is embedded in the top of the liquid replacement tank (200).

3. The liquid replacement device for preparing an auxiliary agent according to claim 1, characterized in that: The tops of the liquid storage tank (110) and the cleaning tank (111) are both fixedly connected with a feeding pipe (115).

4. The liquid replacement device for preparing an auxiliary agent according to claim 1, characterized in that: An observation window (160) is embedded in the upper side of the front side wall of the filter box (120).

5. The liquid replacement device for preparing an auxiliary agent according to claim 1, characterized in that: The outer wall of the exhaust pipe (150) is fixedly connected to a first valve (151), and the outer wall of the discharge pipe (240) is fixedly connected to a second valve (241).

6. The liquid replacement device for preparing an auxiliary agent according to claim 1, characterized in that: A control switch (250) is embedded in the rear side wall of the liquid exchange tank (200), and the control switch (250) is electrically connected to the solenoid valve (114), the vacuum pump (121), the gas detector (140), the drive motor (210) and the spray head (231) through electric wires.

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