Collecting and gas purifying all-in-one machine for toxic waste liquid in laboratory

Abstract

The utility model discloses a laboratory toxic waste liquid collecting and purifying all-in-one machine which comprises a metal box body, the top of the metal box body is provided with a guiding connector of a waste liquid collecting guiding pipe and a fresh air inlet net opening, and the upper portion of the front face of the metal box body is provided with an instrument installation panel. A waste liquid collecting barrel and a purified gas treatment system are arranged in the box body. The liquid level sensors are arranged inside and outside the waste liquid collecting barrel, so that liquid level rising over-limit can be detected and early warned in time, and toxic waste liquid is prevented from overflowing; by arranging the waste gas purification treatment system, volatile toxic gas, including acid mist, generated by waste liquid is directly guided into the purification treatment system for purification treatment, so that the safety and health of a laboratory environment and experimenters can be ensured; the first TVOC sensor is arranged at the waste gas inlet of the waste gas purification treatment machine and electrically connected with the liquid crystal display screen control system and the exhaust fan, so that when the concentration of waste gas exceeds a set value, the system can be automatically started to operate, and toxic waste gas is automatically purified.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of laboratory toxic waste liquid collection and treatment, in particular to a laboratory toxic waste liquid collection and gas purification integrated machine. BACKGROUND

[0002] In the laboratory instrument analysis such as high performance liquid chromatography (HPLC) analysis, liquid chromatography-mass spectrometry (LC-MS) analysis, atomic absorption detection (AAS), atomic fluorescence spectrometry (AFS) detection and other experiments, toxic and harmful waste liquid is often continuously generated, and the commonly used method is to collect by reagent bottle (barrel), and harmful waste gas is set to exhaust air system, and is directly discharged to the outside, because of setting exhaust air system, it is often limited by laboratory floor height and no suitable exhaust port and other environmental conditions, and it is difficult to completely realize, therefore, it is often through window ventilation to reduce the pollution to experimental environment, or even directly volatilize in the working environment, and the collection barrel also often has no overflow alarm system, if waste liquid overflows, it will cause greater environmental damage to the laboratory, if the toxic waste gas generated by laboratory waste liquid is not effectively treated, it will inevitably pollute the surrounding environment, and long-term contact will also cause damage to the health of experimental personnel, in view of the above problems, the utility model adopts internal and external double sensor liquid level detection to carry out overflow early warning for the collection barrel, harmful waste gas in the waste liquid collection barrel is directly guided to the UV photocatalyst nanometer titanium and corresponding activated carbon and SDG adsorption system for harmless treatment, and the laboratory air meets the relevant national standards. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a laboratory toxic waste liquid collection and gas purification integrated machine, which safely and effectively collects continuously generated toxic waste liquid, gives early warning for waste liquid overflow, effectively purifies toxic gas and acid mist volatilized from waste liquid, and ensures the safety and health of the environment and experimental personnel.

[0004] To achieve the above object, the utility model provides the following technical scheme: a laboratory poisonous waste liquid collection and air purification all -in -one, including metal box, the top of metal box is equipped with the waste liquid guide interface of collection waste liquid guide pipe and fresh air inlet net mouth, the upper portion of metal box front surface is provided with instrument installation panel, the colour liquid crystal screen containing control system is embedded in instrument installation panel, the side of colour liquid crystal screen is provided with audible -visual alarm and buzzer, the lower portion of instrument installation panel is provided with first open door, the inside of first open door middle part is used with the baffle and divides all -in -one metal box into two parts before and after, the inside of first open door places waste liquid collection barrel, the lower portion of waste liquid collection barrel is installed with U type clamping groove, U type clamping groove is connected with the baffle in the middle, the barrel cover of waste liquid collection barrel is provided with waste liquid import interface and waste gas export interface, waste liquid import interface is connected with waste liquid guide interface, can set up multiple or three ways according to the need, waste gas export interface is connected through the skin tube and waste gas inlet to the air purification treatment system of air inlet, the air purification treatment system is built -in metal box, and the top of built -in metal box is provided with two porous air inlets that can be communicated with the atmosphere, and the top of the built-in metal box is provided with an atmospheric air inlet static pressure cavity below, the first filter layer is arranged below the atmospheric air inlet static pressure cavity, a sealed waste gas inlet is arranged in the middle of the first filter layer, the waste gas inlet is connected to the waste gas inlet through a pipe above the waste gas inlet, the first filter layer is below the gas cavity, the first TVOC sensor is arranged at the gas cavity below the waste gas inlet, and the color liquid crystal screen is electrically connected, and the first TVOC sensor is electrically connected with the exhaust fan, the second filter layer is below the gas cavity, the ozone-free ultraviolet light catalyst cavity is below the second filter layer, the nano titanium fiber reaction layer is below the ozone-free ultraviolet light catalyst cavity, the air purification cavity is below the nano titanium fiber reaction layer, the air purification cavity is connected with the air inlet of the exhaust fan, the bottom of the air inlet of the exhaust fan is provided with the air outlet of the exhaust fan, and the bottom of the air outlet of the exhaust fan is connected with the bottom cavity.

[0005] As a preferred scheme, the baffle is provided with an external first liquid level sensor at the neck of the waste liquid collection barrel.

[0006] As a preferred scheme, the back of the metal box is provided with a second open door, and the air purification treatment system is located in the second open door.

[0007] As a preferred scheme, the bottom cavity is provided with a second TVOC sensor between the air outlet of the exhaust fan and the bottom cavity, and the color liquid crystal screen is electrically connected.

[0008] As a preferred scheme, the barrel cover of the waste liquid collection barrel is provided with an internal second liquid level sensor, and the second liquid level sensor is electrically connected with the color liquid crystal screen, the audible -visual alarm and the buzzer.

[0009] Compared with the prior art, the utility model have the advantages that:

[0010] 1、 the utility model discloses a first liquid level sensor can be set up in the waste liquid collection bucket, can detect early warning liquid level rise over limit in time, prevent the toxic waste liquid overflow, set up waste gas purification treatment system, directly including acid mist volatile toxic gas generated by waste liquid is introduced into purification treatment system and is purified, can ensure the safety and health of laboratory environment and experimental personnel, set up first TVOC sensor in the waste gas inlet of waste gas purification treatment machine, and with liquid crystal display screen control system and exhaust fan electric connection, when waste gas concentration exceeds the set value, can automatic starting system operation, and the automatic purification treatment of toxic waste gas, set up first TVOC sensor in the air outlet of waste gas purification treatment machine and with liquid crystal display screen electric connection, can on-line evaluation waste gas treatment module's processing efficiency, so as to update in time. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the front view of waste liquid collection and gas purification integrated machine of the utility model;

[0012] Figure 2 It is the section view of waste liquid collection and gas purification integrated machine of the utility model;

[0013] Figure 3 It is the section view of gas purification system of the utility model.

[0014] In the drawing: 1, metal box body;2, waste liquid guide interface;3, fresh air inlet net mouth;4, instrument installation panel;5, color liquid crystal screen;6, audible and visual alarm lamp;7, buzzer;8, first door;9, partition;10, waste liquid collection bucket;11, U type clamping groove;12, first liquid level sensor;13, elastic buckle;14, second liquid level sensor;15, waste liquid guide interface;16, waste gas guide interface;17, gas purification system;18, second door;19, multi-hole air inlet;20, atmospheric air inlet static pressure cavity;21, first filter layer;22, waste gas inlet channel;23, pipe;24, waste gas inlet;25, air cavity;26, first TVOC sensor;27, second filter layer;28, ozone-free ultraviolet light catalyst cavity;29, nanometer titanium fiber reaction layer;30, gas purification cavity;31, exhaust fan air inlet;32, second TVOC sensor;33, bottom cavity. DETAILED DESCRIPTION

[0015] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0016] Secondly, the "one embodiment" or "embodiment" referred to herein means that a specific feature, structure or characteristic can be included in at least one implementation of the present application. "In one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an embodiment that is independent of or mutually exclusive with other embodiments. Embodiments

[0017] Please refer to Figure 1As shown, this utility model provides an integrated machine for collecting and purifying toxic waste liquid in laboratories, including a metal casing 1. The top of the metal casing 1 has a waste liquid guide interface 2 for collecting waste liquid and a fresh air inlet 3. An instrument mounting panel 4 is located on the upper front of the metal casing 1. The instrument mounting panel 4 is fitted with a color LCD screen 5 containing a control system. An audible and visual alarm light 6 and a buzzer 7 are located on one side of the color LCD screen 5. A first door 8 is located at the bottom of the instrument mounting panel 4. Inside the first door 8, a partition 9 separates the integrated machine's metal casing. The system is divided into two parts, front and back. The first door 8 houses a waste liquid collection tank 10. A U-shaped slot 11 is installed at the bottom of the waste liquid collection tank 10, connecting to a central partition 9. The lid of the waste liquid collection tank 10 has a waste liquid inlet 15 and a waste gas outlet 16. The waste liquid inlet 15 connects to a waste liquid guide 2; multiple or three-way connectors can be installed as needed. The waste gas outlet 16 connects to a waste gas inlet 24 via a hose, leading to a gas purification system 17. The gas purification system 17 is a built-in metal casing 1. The built-in metal housing 1 has two perforated air inlets 19 on its top that allow it to communicate with the atmosphere. Below the top of the built-in metal housing 1 is an atmospheric intake static pressure cavity 20. Below the atmospheric intake static pressure cavity 20 is a first filter layer 21. A sealed exhaust gas inlet duct 22 is located in the middle of the first filter layer 21. The exhaust gas inlet duct 22 is sealed to the exhaust gas inlet 24 via a pipe 23. Below the first filter layer 21 is an air chamber 25. A first TVOC sensor 26 is installed in the air chamber 25 below the exhaust gas inlet duct 22 and connected to a color LCD. Screen 5 is electrically connected. In addition, the first TVOC sensor 26 is electrically connected to an exhaust fan. Below the air chamber 25 is the second filter layer 27. Below the second filter layer 27 is the ozone-free ultraviolet light catalytic chamber 28. Below the ozone-free ultraviolet light catalytic chamber 28 is the nano-titanium fiber reaction layer 29. Below the nano-titanium fiber reaction layer 29 is the clean air chamber 30. The clean air chamber 30 is connected to the exhaust fan inlet 31. The bottom of the exhaust fan inlet 31 is provided with an exhaust fan outlet, and the bottom of the exhaust fan outlet is connected to a bottom cavity 33.

[0018] This technical solution enables the safe and effective collection of continuously generated toxic waste liquid and provides early warning of waste liquid overflow. It also effectively purifies the toxic gases and acid mists emitted from the waste liquid, ensuring the safety and health of the environment and laboratory personnel. Example

[0019] Based on Embodiment 1, this utility model is as follows: Figure 2 As shown, the partition 9 is provided with an external first liquid level sensor 12 at the neck height of the waste liquid collection tank 10, and an elastic buckle 13 is provided on the upper part of the waste liquid collection tank 10.

[0020] Adopting such Figure 1The first liquid level sensor 12 is height-adjustable, and the first liquid level sensor 12 is electrically connected with the color liquid crystal screen 5 (control system), and the elastic buckle belt 13 is used for fastening the waste liquid collecting barrel 10.

[0021] Secondly, in the technical scheme, the metal box body 1 is provided with a second door 18 at the back, and the clean gas treatment system 17 is located in the second door 18; a plurality of porous air outlets are formed in the side wall of the bottom cavity 33, and a second TVOC sensor 32 is arranged between the air outlet of the exhaust fan and the bottom cavity 33, and is electrically connected with the color liquid crystal screen 5.

[0022] It adopts Figure 1 The technical scheme shown in the application can evaluate the treatment efficiency of the waste gas treatment module on line by arranging the second TVOC sensor 32 at the air outlet and electrically connecting the second TVOC sensor 32 with the color liquid crystal screen 5, so that the treatment efficiency can be updated in time, and the clean gas treated can be discharged out of the box by forming the plurality of porous air outlets in the side wall of the bottom cavity 33. Embodiment

[0023] The utility model discloses Figures 1-3 The second liquid level sensor 14 is arranged in the barrel cover of the waste liquid collecting barrel 10, and the second liquid level sensor 14 is electrically connected with the color liquid crystal screen 5, the sound-light alarm lamp 6 and the buzzer 7.

[0024] The above technical scheme can observe and monitor the state in the barrel and can alarm in time.

[0025] The working principle of the utility model is that the first liquid level sensor 12 and the second liquid level sensor 14 are arranged in and outside the waste liquid collecting barrel 10, so that the rising of the early warning liquid level can be detected in time, and the overflow of the toxic waste liquid can be prevented; the volatile toxic gas including acid mist generated by the waste liquid is directly introduced into the clean gas treatment system 17 for purification treatment, so that the safety and health of the laboratory environment and the experimental personnel can be ensured; the first TVOC sensor 26 is arranged at the waste gas inlet 24 of the waste gas purification treatment machine, and is electrically connected with the liquid crystal display screen control system and the exhaust fan, so that when the waste gas concentration exceeds the set value, the system can be automatically started to automatically purify the toxic waste gas.

[0026] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape and proportion of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of this utility model. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structural equivalents but also equivalent structures. Without departing from the scope of this invention, other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments. Therefore, this invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0027] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the best mode of carrying out the present invention as currently considered, or those features that are not relevant to implementing the present invention) may be omitted.

[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the essence and scope of the technical solutions of this utility model.

Claims

1. A laboratory toxic waste liquid collecting and purifying all-in-one machine, comprising a metal box (1), characterized in that: The metal box (1) top is provided with a waste liquid guide interface (2) of collecting waste liquid guide pipe and fresh air inlet net mouth (3), the metal box (1) front upper portion is provided with instrument mounting panel (4), the instrument mounting panel (4) is embedded with the color liquid crystal screen (5) containing control system, the color liquid crystal screen (5) one side is provided with audible and visual alarm light (6) and buzzer (7), the instrument mounting panel (4) lower portion is provided with first open door (8), the first open door (8) inside middle part is divided into front and rear two parts with the partition (9), the first open door (8) inside is placed waste liquid collection barrel (10), the waste liquid collection barrel (10) lower portion is installed with U type clamping groove (11), the U type clamping groove (11) is connected with the middle partition (9), the waste liquid collection barrel (10) barrel cover is provided with waste liquid introduction interface (15) and waste gas export interface (16), the waste liquid introduction interface (15) is connected with waste liquid guide interface (2), can set multiple or three ways according to the need, the waste gas export interface (16) is connected through the skin tube with waste gas inlet (24) to the clean gas processing system (17), the clean gas processing system (17) is built-in metal box, and the built-in metal box top is provided with two porous air inlets (19) that can be communicated with atmosphere, the built-in metal box top lower portion is provided with atmospheric air inlet static pressure cavity (20), the atmospheric air inlet static pressure cavity (20) lower portion is provided with first filter layer (21), the first filter layer (21) middle part is provided with sealed waste gas inlet (22), the waste gas inlet (22) upper portion is connected to waste gas inlet (24) through pipe (23) sealing, the first filter layer (21) lower portion is gas cavity (25), the waste gas inlet (22) lower portion gas cavity (25) is provided with first TVOC sensor (26) and is electrically connected with color liquid crystal screen (5), in addition, the first TVOC sensor (26) is electrically connected with exhaust fan, the gas cavity (25) lower portion is second filter layer (27), the second filter layer (27) lower portion is ozone-free ultraviolet light catalyst cavity (28), the ozone-free ultraviolet light catalyst cavity (28) lower portion is nano titanium fiber reaction layer (29), the nano titanium fiber reaction layer (29) lower portion is clean gas cavity (30), the clean gas cavity (30) is connected with exhaust fan inlet (31), the bottom of exhaust fan inlet (31) is provided with exhaust fan outlet, and the bottom of exhaust fan outlet is connected with bottom cavity (33).

2. The laboratory toxic waste liquid collecting and purifying all-in-one machine according to claim 1, characterized in that: The partition (9) is located at the neck high of the waste liquid collection barrel (10) and is provided with an external first liquid level sensor (12).

3. The laboratory toxic waste liquid collecting and purifying all-in-one machine according to claim 1, characterized in that: The metal box (1) back is provided with a second open door (18), and the clean gas processing system (17) is located in the second open door (18).

4. The laboratory toxic waste liquid collecting and purifying all-in-one machine according to claim 1, characterized in that: The sidewall of the bottom cavity (33) is provided with a plurality of exhaust air inlets, and a second TVOC sensor (32) is arranged between the exhaust fan outlet and the bottom cavity (33) and is electrically connected with the color liquid crystal screen (5).

5. The laboratory toxic waste liquid collecting and purifying all-in-one machine according to claim 1, characterized in that: The waste liquid collecting barrel (10) is provided with an inner second liquid level sensor (14), and the second liquid level sensor (14) is electrically connected with the color liquid crystal screen (5), the sound-light alarm lamp (6) and the buzzer (7).

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