Device for collecting and treating inorganic acid waste liquid in chemical laboratory in real time

Abstract

A real-time collection and treatment device for inorganic acid waste liquid in a chemical laboratory comprises a box body, an inner cavity of the box body is divided into a neutralization area, an alkali liquor area and an indicator area, and a liquid inlet pipe is inserted into the upper portion of the box body; one side of the lower end of the box body is provided with a liquid discharge port and a manual liquid discharge valve; an alkali liquor adding opening is formed in the top surface of the box body, and a first sealing plug is arranged on the alkali liquor adding opening; an indicator adding opening is formed in the top surface of the box body, and a second sealing plug is arranged on the indicator adding opening; an alkali liquor injection opening is formed between the alkali liquor area and the neutralization area, and an alkali liquor sliding cover is arranged at the bottom of the alkali liquor area in a sliding manner; a first pull rod is connected to the upper end of the alkali liquor sliding cover and penetrates out of one side of the box body; an indicator injection port is arranged between the indicator area and the neutralization area, and an indicator sliding cover is arranged at the bottom of the indicator area in a sliding manner; a second pull rod is connected to the upper end of the indicator sliding cover and penetrates out of the other side of the box body. The device can quickly treat the inorganic acid waste liquid in real time, is simple and convenient to operate, and generates less gas and heat.

Description

Technical Field

[0001] The utility model relates to a chemical laboratory waste liquid treatment device, in particular to a chemical laboratory inorganic acid waste liquid real-time collection and treatment device. Background Art

[0002] Inorganic acidic wastewater is a common wastewater in chemical laboratories. Currently, most laboratories collect and centrally treat inorganic acidic wastewater. This approach presents the following challenges: 1. Long-term storage of acidic wastewater can pose a safety hazard to the laboratory; 2. Using the principle of acid-base neutralization, centralized acidic wastewater treatment can generate large amounts of gas and heat, impacting the laboratory environment and operator safety; 3. Wastewater treatment is time-consuming.

[0003] Existing waste liquid treatment devices are unable to achieve real-time and rapid treatment of waste liquid and need further improvement. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a real-time collection and treatment device for inorganic acidic waste liquid in a chemical laboratory, which can realize real-time and rapid treatment of inorganic acidic waste liquid, is easy to operate, and generates less gas and heat.

[0005] In order to solve the above problems, the present invention adopts the following technical solutions:

[0006] A device for collecting and treating inorganic acidic waste liquid in a chemical laboratory in real time comprises a sealed box, the inner cavity of which is divided into a neutralization zone, an alkaline solution zone, and an indicator zone by a partition. The neutralization zone is located at the lower part of the box, and the alkaline solution zone and the indicator zone are located on both sides of the upper part of the box, respectively. A jack is provided at the center of the upper part of the box and is inserted with a liquid inlet pipe. The lower end of the liquid inlet pipe is inserted into the neutralization zone for introducing the inorganic acidic waste liquid to be treated. A drain port is provided on one side of the lower end of the box and is installed with a manual drain valve for discharging the treated waste liquid.

[0007] An alkali solution addition port is provided on the top surface of the box body in the middle of the alkali solution area, and a first sealing plug is provided on the alkali solution addition port for adding the alkali solution required for treatment; an indicator addition port is provided on the top surface of the box body in the middle of the indicator area, and a second sealing plug is provided on the indicator addition port for adding the indicator required for treatment;

[0008] An alkali liquid injection port is provided on the partition between the alkali liquid area and the neutralization area. An alkali liquid sliding cover is installed at the bottom of the alkali liquid area through a slideway. When the alkali liquid sliding cover slides, the alkali liquid injection port can be closed. A first pull rod is connected to the upper end of the alkali liquid sliding cover. The first pull rod is sealed and extended from one side of the box body to control the switch of the alkali liquid injection port.

[0009] An indicator injection port is provided on the partition between the indicator area and the neutralization area, and an indicator sliding cover is installed at the bottom of the indicator area through a slide. After the indicator sliding cover slides, the indicator injection port can be closed; a second pull rod is connected to the upper end of the indicator sliding cover, and the second pull rod is sealed and extended from the other side of the box body, and is used to control the switch of the indicator injection port.

[0010] As a further preference, the box body is made of polytetrafluoroethylene material, and the partition and the box body are an integral structure.

[0011] As a further preference, the neutralization zone occupies two-thirds of the volume of the inner cavity of the box, and the alkali solution zone and the indicator zone each occupy one-sixth of the volume of the inner cavity of the box.

[0012] As a further preference, installation observation ports are respectively provided on one side of the outer wall of the box corresponding to the neutralization zone, the alkali solution zone and the indicator zone, and transparent glass plates are respectively installed in the installation observation ports to facilitate installation and observation.

[0013] As a further preference, ball heads are fixed to the outer ends of the first pull rod and the second pull rod respectively, so as to facilitate pulling the first pull rod and the second pull rod.

[0014] As a further preference, a stirring shaft is rotatably installed laterally in the lower part of the neutralization zone in the box body, and multiple stirring paddles are evenly distributed on the stirring shaft. One end of the stirring shaft is sealed and passed through one side of the box body and is connected to a micro motor located outside the box body.

[0015] The beneficial effects of the utility model are:

[0016] 1. The acidic waste liquid to be treated can be introduced into the neutralization zone in the box through the liquid inlet pipe. The alkali solution sliding cover and the indicator sliding cover are pulled by the first pull rod and the second pull rod respectively to open the alkali solution injection port and the indicator injection port, and the alkali solution and the indicator are injected into the neutralization zone respectively; the stirring shaft is driven by a micro motor to rotate, so that the acid, alkali solution and indicator can be fully mixed, and the acid-base neutralization reaction occurs quickly, causing the color of the indicator to change. By observing the color of the liquid in the neutralization zone through the transparent glass plate on one side of the neutralization zone, it can be determined whether the acidic waste liquid has been treated.

[0017] 2. The device can realize real-time treatment of acidic waste liquid, is easy to operate, generates less gas and heat, and is environmentally friendly and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural diagram of the present utility model.

[0019] In the figure: box 1, neutralization area 101, alkali solution area 102, indicator area 103, alkali solution injection port 104, indicator injection port 105, alkali solution slide 2, first pull rod 3, first sealing plug 4, liquid inlet pipe 5, second sealing plug 6, second pull rod 7, slide 8, indicator slide 9, transparent glass plate 10, stirring paddle 11, micro motor 12, stirring shaft 13, drain valve 14. DETAILED DESCRIPTION

[0020] like Figure 1 As shown, the present invention relates to a real-time collection and treatment device for inorganic acidic waste liquid in a chemical laboratory, comprising a sealed housing 1, the inner cavity of which is divided by a partition into a neutralization zone 101, an alkaline solution zone 102, and an indicator zone 103. The neutralization zone 101 is located at the lower portion of the housing 1, while the alkaline solution zone 102 and the indicator zone 103 are located on the left and right sides of the upper portion of the housing 1, respectively. The neutralization zone 101 occupies two-thirds of the inner cavity volume of the housing 1, while the alkaline solution zone 102 and the indicator zone 103 each occupy one-sixth of the inner cavity volume of the housing 1.

[0021] The housing 1 is made of polytetrafluoroethylene, and the partitions are integrally formed with the housing 1. An L-shaped liquid inlet pipe 5 is inserted through a clearance fit into a jack at the center of the upper portion of the housing 1. The lower end of the liquid inlet pipe 5 is inserted into the neutralization zone 101 for introducing the inorganic acidic waste liquid to be treated. A drain port and a manual drain valve 14 are installed on one side of the lower end of the housing 1 for discharging the treated waste liquid.

[0022] An alkali solution addition port is provided in the middle of the alkali solution area 102 on the top surface of the box body 1, and a first sealing plug 4 is connected to the alkali solution addition port via a thread, for adding and sealing the alkali solution required for the treatment; an indicator addition port is provided in the middle of the indicator area 103 on the top surface of the box body 1, and a second sealing plug 6 is connected to the indicator addition port via a thread, for adding and sealing the indicator required for the treatment;

[0023] An alkali liquid injection port 104 is provided on the partition between the alkali liquid area 102 and the neutralization area 101, and an alkali liquid slide cover 2 is slidably installed at the bottom of the alkali liquid area 102 through a slide 8. After the alkali liquid slide cover 2 slides, the alkali liquid injection port 104 can be closed or opened; a horizontally arranged first pull rod 3 is connected to the upper end of the alkali liquid slide cover 2 through a column, and the first pull rod 3 is sealed and extended from one side of the box body 1, and is used to control the switch of the alkali liquid injection port 104.

[0024] An indicator injection port 105 is provided on the partition between the indicator area 103 and the neutralization area 101. An indicator slide cover 9 is slidably installed at the bottom of the indicator area 103 through a slide 8. After the indicator slide cover 9 slides, the indicator injection port 105 can be closed; a second pull rod 7 is connected to the upper end of the indicator slide cover 9 through a column. The second pull rod 7 is sealed and extended from the other side of the box body 1 to control the switch of the indicator injection port 105.

[0025] Ball heads are fixedly connected to the outer ends of the first pull rod 3 and the second pull rod 7 to facilitate pulling the first pull rod 3 and the second pull rod 7. Sliding seals are installed on the side walls of the box body 1 and between the first pull rod 3 and the second pull rod 7 to prevent leakage.

[0026] A rectangular installation observation port is provided on the outer wall of the box body 1 corresponding to the neutralization zone 101, the alkali solution zone 102 and the indicator zone 103. Transparent glass plates 10 are sealed and installed in the installation observation ports for easy installation and observation.

[0027] A stirring shaft 13 is installed horizontally at the lower part of the neutralization zone 101 in the box body 1. Both ends of the stirring shaft 13 are rotatably mounted on the side wall of the box body 1 through bearings and seals. A plurality of stirring paddles 11 are evenly fixed on the stirring shaft 13. One end of the stirring shaft 13 is sealed and passed through one side of the box body 1 and is transmission-connected to a micro motor 12 provided on the outside of the box body 1.

[0028] During use, the acidic waste liquid generated in the experiment flows into the neutralization zone 101 through the liquid inlet pipe, the first sealing plug 4 is opened, and the alkali solution required for treatment is added into the alkali solution zone 102 through the alkali solution adding port; the second sealing plug 6 is opened, and the litmus solution indicator required for treatment is added into the indicator zone 103 through the indicator adding port.

[0029] The alkali solution slide cover 2 is pulled by the first pull rod 3, so that the alkali solution drips into the neutralization zone 101 through the alkali solution injection port 104; the indicator slide cover 9 is pulled by the second pull rod 7, so that the indicator drips into the neutralization zone 101 through the indicator injection port 105; then the micro motor 12 is controlled to start, and the multiple stirring paddles 11 are driven to rotate through the stirring shaft 13, so that the acidic waste liquid and the alkali solution undergo an acid-base neutralization reaction. The solution color and liquid level are observed through the transparent glass plate located on one side of the neutralization zone 101. When the solution turns purple, it indicates that the acidic waste liquid has been neutralized and can be discharged through the drain valve.

[0030] Although the embodiments of the present invention have been disclosed above, they are not limited to the applications listed in the description and implementation methods. They can be fully applied to various fields suitable for the present invention. For those familiar with this field, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the present invention is not limited to the specific details and illustrations shown and described herein.

Claims

1. A real-time collection and treatment device for inorganic acidic waste liquid in a chemical laboratory, comprising a sealed box, characterized by: The inner cavity of the box is divided into a neutralization zone, an alkali liquid zone and an indicator zone by a partition. The neutralization zone is located at the lower part of the box, and the alkali liquid zone and the indicator zone are respectively located on both sides of the upper part of the box. A jack is provided at the center of the upper part of the box and an inlet pipe is inserted. The lower end of the inlet pipe is inserted into the neutralization zone for introducing the inorganic acid waste liquid to be treated; a drain port is provided on one side of the lower end of the box and a manual drain valve is installed for discharging the treated waste liquid; An alkali solution addition port is provided on the top surface of the box body in the middle of the alkali solution area, and a first sealing plug is provided on the alkali solution addition port for adding the alkali solution required for treatment; an indicator addition port is provided on the top surface of the box body in the middle of the indicator area, and a second sealing plug is provided on the indicator addition port for adding the indicator required for treatment; An alkali liquid injection port is provided on the partition between the alkali liquid area and the neutralization area. An alkali liquid sliding cover is installed at the bottom of the alkali liquid area through a slideway. When the alkali liquid sliding cover slides, the alkali liquid injection port can be closed. A first pull rod is connected to the upper end of the alkali liquid sliding cover. The first pull rod is sealed and extended from one side of the box body to control the switch of the alkali liquid injection port. An indicator injection port is provided on the partition between the indicator area and the neutralization area, and an indicator sliding cover is installed at the bottom of the indicator area through a slide. After the indicator sliding cover slides, the indicator injection port can be closed; a second pull rod is connected to the upper end of the indicator sliding cover, and the second pull rod is sealed and extended from the other side of the box body, and is used to control the switch of the indicator injection port.

2. The device for collecting and treating inorganic acidic waste liquid in a chemical laboratory in real time according to claim 1, wherein: The box body is made of polytetrafluoroethylene material, and the partition plate and the box body are an integrated structure.

3. The device for collecting and treating inorganic acidic waste liquid in a chemical laboratory in real time according to claim 1 or 2, characterized in that: The neutralization zone occupies two-thirds of the volume of the inner cavity of the box, and the alkali solution zone and the indicator zone each occupy one-sixth of the volume of the inner cavity of the box.

4. The device for collecting and treating inorganic acidic waste liquid in a chemical laboratory in real time according to claim 3 is characterized in that: Installation observation ports are respectively provided on one side of the outer wall of the box corresponding to the neutralization area, the alkali solution area and the indicator area, and transparent glass plates are respectively installed in the installation observation ports for easy installation and observation.

5. The device for collecting and treating inorganic acidic waste liquid in a chemical laboratory in real time according to claim 1 is characterized in that: Ball heads are fixed to the outer ends of the first pull rod and the second pull rod respectively, so as to facilitate pulling the first pull rod and the second pull rod.

6. The device for collecting and treating inorganic acidic waste liquid in a chemical laboratory in real time according to claim 1 or 5, characterized in that: A stirring shaft is rotatably installed in the lower part of the neutralization zone in the box body. A plurality of stirring paddles are evenly distributed on the stirring shaft. One end of the stirring shaft is sealed and passed through one side of the box body and is connected to a micro motor located outside the box body.

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