Fuming cupboard

Abstract

The utility model provides a fuming cupboard which comprises a cupboard body, a processing mechanism and a purifying mechanism, the processing mechanism and the purifying mechanism are arranged on the cupboard body, the processing mechanism and the purifying mechanism are connected through a first pipeline, an operation room is arranged in the cupboard body, the purifying mechanism is provided with a first air inlet, the first air inlet is communicated with the operation room, and the first pipeline is communicated with the operation room. A first impurity filtering part is mounted in the purifying mechanism, a treating fluid for removing harmful substances in the gas is stored in the treating mechanism, and the treating mechanism is arranged to retreat the gas filtered by the purifying mechanism. According to the utility model, the treatment mechanism and the purification mechanism which are separated from each other are arranged, and the treatment mechanism and the purification mechanism are connected through the first pipeline, so that the arranged purification mechanism can be used for filtering gas sucked from the operation chamber and then conveying the gas into the treatment mechanism for secondary treatment through treatment liquid; by means of the arrangement, gas can be pretreated in advance, part of harmful impurities are removed, and the gas treatment effect during secondary treatment is improved.

Description

Technical Field

[0001] The utility model relates to a fume hood. Background Art

[0002] Fume hoods are commonly used equipment in experimental operations. Since they may be polluting, the gases generated by the experiments in the fume hoods need to be treated before being discharged into the environment. In existing fume hoods, the filtering function at the exhaust port is relatively simple, and the harmful substances in the gas cannot be removed well, which may pollute the environment and affect people's health.

[0003] At the same time, although some fume hoods are designed with multiple gas treatment methods, the treatment processes are relatively complicated, and the gas treatment device is usually installed outside the fume hood, and the gas cannot be pre-treated in the fume hood, resulting in its treatment effect is still unsatisfactory. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a fume hood in order to overcome the defect in the prior art that the gas in the fume hood cannot be pre-treated, resulting in poor treatment effect.

[0005] The utility model solves the above technical problems through the following technical solutions:

[0006] The utility model provides a fume hood, which comprises a cabinet, a processing mechanism and a purification mechanism, wherein the processing mechanism and the purification mechanism are arranged on the cabinet, the processing mechanism and the purification mechanism are connected through a first pipeline, and an operating room is arranged in the cabinet;

[0007] The purification mechanism is provided with a first air inlet, the first air inlet is communicated with the operating chamber, and a first impurity filter is installed in the purification mechanism;

[0008] The processing mechanism stores a processing liquid for removing harmful substances from the gas, and the processing mechanism is configured to reprocess the gas filtered by the purification mechanism.

[0009] In this solution, the purification mechanism is capable of filtering the gas sucked in from the operating room, and the filtered gas is then transported to the treatment mechanism for secondary treatment with the treatment liquid. This setting can pre-treat the gas in advance to remove some harmful impurities, and then input it into the treatment mechanism storing the treatment liquid for secondary treatment, thereby improving the removal effect of harmful substances in the gas.

[0010] Preferably, the fume hood further comprises an air suction mechanism, which is mounted on the cabinet body and is configured to suck the gas in the operating room into the first air inlet.

[0011] In this solution, by providing an air suction mechanism, the gas in the operating room inside the cabinet can be quickly sucked into the first air inlet, which makes it convenient for the subsequent purification mechanism to filter the gas and speed up the gas processing.

[0012] Preferably, a second air inlet is provided on the cabinet, and the second air inlet is communicated with the operating room.

[0013] Preferably, the first impurity filter is arranged between the first air inlet and the air inlet of the first pipeline;

[0014] And / or, the purification mechanism includes an impurity adsorption layer, and the impurity adsorption layer is arranged between the first air inlet and the air inlet of the first pipeline.

[0015] In this solution, by providing a first impurity filter in the purification mechanism, harmful substances contained in the gas input into the purification mechanism through the first air inlet can be filtered, and the filtered gas is then transported to the processing mechanism through the first pipeline.

[0016] The impurity adsorption layer can adsorb harmful substances contained in the gas, making the gas safer when discharged.

[0017] Preferably, the treatment mechanism comprises a treatment liquid storage tank and a liquid spraying device, wherein the liquid spraying device is connected to the treatment liquid storage tank, and the liquid spraying device is configured to spray the treatment liquid in the treatment liquid storage tank.

[0018] Preferably, the liquid spraying device comprises a spray head and a second pipe, the second pipe is connected to the treatment liquid storage tank, and the spray head is mounted on the second pipe and connected to the second pipe.

[0019] In this solution, when the gas treated by the purification mechanism is passed into the treatment mechanism through the first pipe, the treatment liquid contained in the treatment liquid storage tank can flow into the second pipe and be sprayed out through multiple nozzles. This setting can perform secondary treatment on the gas, further remove harmful substances in the gas, and ensure the safety of gas removal.

[0020] Preferably, the processing mechanism further includes a pressure pump, which is disposed between the second pipeline and the processing liquid storage tank, and is used to pressurize the processing liquid entering the second pipeline.

[0021] In this solution, by arranging a pressure pump between the second pipeline and the processing liquid storage tank, the processing liquid flowing from the processing liquid storage tank into the second pipeline can be quickly sprayed out from the nozzle, thereby accelerating the gas processing speed.

[0022] Preferably, an exhaust port is provided on the side wall of the processing mechanism, and a second impurity filter is also provided in the processing mechanism. The second impurity filter is arranged between the air outlet of the first pipe and the exhaust port and is located below the nozzle.

[0023] In this solution, by providing a second impurity filter, the gas can be further filtered to ensure the safety of the exhaust gas and avoid harmful gases from polluting the air.

[0024] Preferably, the purification mechanism is located in the operating room, and the processing mechanism is installed on the outer wall of the cabinet.

[0025] In this solution, by directly arranging the purification mechanism in the operating room, the gas in the operating room can be directly pre-treated to avoid gas leakage and air pollution.

[0026] Preferably, a drain port is also provided at the bottom of the processing mechanism.

[0027] In this solution, the drain port is set to discharge the generated waste liquid, which is convenient for subsequent recycling and avoids causing environmental pollution.

[0028] Preferably, a storage cabinet is also installed on the cabinet body, and a sealing door is installed on the storage cabinet;

[0029] And / or, a water pool is installed on the cabinet, and a faucet is arranged on one side of the water pool.

[0030] In this scheme, the lockers are set up to store items and provide convenience for users. The sinks and faucets are set up to provide water for the experiment.

[0031] The positive and progressive effects of the utility model are:

[0032] In the utility model, a separate processing mechanism and a purification mechanism are set, and the processing mechanism and the purification mechanism are connected through a first pipeline. The purification mechanism can filter the gas sucked from the operating room and then transport it to the processing mechanism for secondary treatment through the treatment liquid. This setting can pre-treat the gas in advance, remove some harmful impurities, and improve the treatment effect of the gas during the secondary treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic diagram of the front structure of the fume hood in the embodiment of the utility model.

[0034] Figure 2 It is a schematic diagram of the front three-dimensional structure of the fume hood in the embodiment of the utility model.

[0035] Figure 3It is a schematic diagram of the side three-dimensional structure of the fume hood in the embodiment of the utility model.

[0036] Description of reference numerals:

[0037] Cabinet 1

[0038] Second air inlet 11

[0039] Processing Agency 2

[0040] Processing liquid storage tank 21

[0041] Liquid spraying device 22

[0042] Nozzle 221

[0043] Second pipeline 222

[0044] Booster pump 23

[0045] Exhaust port 24

[0046] Second impurity filter 25

[0047] Drain port 26

[0048] Purification mechanism 3

[0049] First air inlet 31

[0050] The first impurity filter 32

[0051] Impurity adsorption layer 33

[0052] First pipeline 4

[0053] Operation Room 5

[0054] Suction mechanism 6

[0055] Locker 7

[0056] Pool 8

[0057] Tap 9 DETAILED DESCRIPTION

[0058] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0059] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0060] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0061] See also Figures 1 to 3 The utility model provides a fume hood, which includes a cabinet 1, a processing mechanism 2 and a purification mechanism 3. The processing mechanism 2 and the purification mechanism 3 are arranged on the cabinet 1, and the processing mechanism 2 and the purification mechanism 3 are connected by a first pipe 4. An operation room 5 is arranged in the cabinet 1. The purification mechanism 3 is provided with a first air inlet 31, and the first air inlet 31 is connected with the operation room 5. A first impurity filter 32 is installed in the purification mechanism 3. The processing mechanism 2 stores a treatment liquid for removing harmful substances in the gas, and the processing mechanism 2 is configured to re-process the gas filtered by the purification mechanism 3. By setting a separate processing mechanism 2 and purification mechanism 3, and connecting the processing mechanism 2 and the purification mechanism 3 through the first pipe 4, the purification mechanism 3 can filter and process the gas sucked from the operation room 5, and the filtered gas is transported to the processing mechanism 2 for secondary treatment by the treatment liquid. This setting can pre-treat the gas in advance to remove a part of harmful impurities, and then input the gas into the processing mechanism 2 storing the treatment liquid for secondary treatment, thereby improving the removal effect of harmful substances in the gas.

[0062] In this embodiment, a second air inlet 11 is provided on the cabinet 1, and the second air inlet 11 is connected to the operating room 5. The second air inlet 11 is arranged at the top of the cabinet 1, one end of which is connected to the outside, and the other end of which is connected to the operating room 5. External gas can also enter the operating room 5, enter the first air inlet 31, and then be filtered by the first impurity filter 32 and transported to the processing mechanism 2.

[0063] In this embodiment, the fume hood further includes an air suction mechanism 6, which is mounted on the cabinet 1 and located on the top outer surface of the cabinet 1. The air suction mechanism 6 is configured to suck the gas in the operating room 5 into the first air inlet 31. The air suction mechanism 6 in this embodiment is an air suction pump, which is fixed to the cabinet 1 by screws. By providing the air suction mechanism 6, the gas in the operating room 5 inside the cabinet 1 can be quickly sucked into the first air inlet 31, which facilitates the subsequent purification mechanism 3 to filter the gas and speed up the gas processing.

[0064] like Figure 1 As shown, in this embodiment, the purification mechanism 3 is a box structure, the first air inlet 31 is arranged at the bottom of the box, the top of the box is provided with an opening connected to the first pipe 4, and the first impurity filter 32 is arranged in the box and is detachably connected to the purification mechanism 3. The first impurity filter 32 is located between the first air inlet 31 and the air inlet of the first pipe 4. The first impurity filter 32 in this embodiment is a filter screen. When the fume hood is used, the gas generated by the chemical reaction enters the purification mechanism 3 through the first air inlet 31. By arranging the first impurity filter 32 in the purification mechanism 3, harmful substances contained in the gas can be filtered, and then the filtered gas is transported to the processing mechanism 2 by the first pipe 4.

[0065] In the present embodiment, an impurity adsorption layer 33 is further provided in the purification mechanism 3 of the box structure. The impurity adsorption layer 33 is arranged between the first air inlet 31 and the air inlet of the first pipe 4. The impurity adsorption layer 33 in the present embodiment is an activated carbon layer. The impurity adsorption layer 33 can adsorb harmful substances contained in the gas to make the gas safer when discharged.

[0066] like Figure 1 and Figure 3 As shown, in this embodiment, the processing mechanism 2 is a box structure, the processing mechanism 2 includes a processing liquid storage box 21 and a liquid spraying device 22, the processing liquid storage box 21 is installed on the outer wall of the processing mechanism 2, the liquid spraying device 22 is connected to the processing liquid storage box 21, and the liquid spraying device 22 is configured to spray the processing liquid in the processing liquid storage box 21, and the liquid spraying device 22 includes a nozzle 221 and a second pipe 222, the number of nozzles 221 is multiple, the second pipe 222 is connected to the processing liquid storage box 21, and is arranged above the processing liquid storage box 21, and the nozzle 221 is installed on the second pipe 222 and is connected to the second pipe 222. Multiple nozzles 221 are arranged on the top of the inner wall of the processing mechanism 2, when the gas treated by the purification mechanism 3 is passed into the processing mechanism 2 through the first pipe 4, the processing liquid contained in the processing liquid storage box 21 can flow into the second pipe 222 and be sprayed out through multiple nozzles 221, this arrangement can perform secondary treatment on the gas, further remove harmful substances in the gas, and ensure the safety of gas removal.

[0067] In this embodiment, the processing mechanism 2 also includes a pressure pump 23, which is arranged between the second pipeline 222 and the processing liquid storage tank 21. The pressure pump 23 is used to pressurize the processing liquid entering the second pipeline 222. The pressure pump 23 is fixed to the processing mechanism 2 by screws. By arranging the pressure pump 23 between the second pipeline 222 and the processing liquid storage tank 21, the processing liquid can be quickly sprayed out, thereby accelerating the gas processing speed.

[0068] In this embodiment, an exhaust port 24 is provided on the side wall of the processing mechanism 2, and the processing mechanism 2 also includes a second impurity filter 25, which is detachably connected to the inside of the processing mechanism 2 box, and is arranged between the gas outlet of the first pipe 4 and the exhaust port 24, and is located below the nozzle 221. Specifically, the second impurity filter 25 is a filter. The gas entering the processing mechanism 2 through the first pipe 4 is treated by the treatment liquid sprayed by the nozzle 221, and then filtered by the second impurity filter 25, and the other filtered gas is discharged from the exhaust port 24. A drain port 26 is also provided at the bottom of the processing mechanism 2, and the waste liquid generated in the process of treating the gas can be discharged from the drain port 26. By setting the second impurity filter 25, the gas can be further filtered and treated to ensure the safety of the discharged gas and avoid harmful gases from polluting the air. The set drain port 26 can discharge the generated waste liquid, which is convenient for subsequent recycling and avoids environmental pollution.

[0069] In this embodiment, the purification mechanism 3 is located in the operating room 5 and is arranged on the inner top of the cabinet 1, and is detachably connected to the cabinet 1, and the processing mechanism 2 is detachably connected to the outer wall of the cabinet 1. By directly arranging the purification mechanism 3 in the operating room 5, the gas in the operating room 5 can be directly pre-processed to avoid gas leakage and air pollution. At the same time, the purification mechanism 3 and the processing mechanism 2 are separated and detachable, which is convenient for installation and also convenient for disassembly and cleaning of the purification mechanism 3 and the processing mechanism 2.

[0070] In this embodiment, a glass door is provided on one side of the cabinet 1, and a storage cabinet 7 is also installed below the cabinet 1. A sealing door is provided on the surface of the storage cabinet 7, and the sealing door is movably connected to the storage cabinet 7 through a hinge. The storage cabinet 7 is convenient for storing items and provides convenience for users.

[0071] In this embodiment, a water pool 8 is also installed on the cabinet 1, and a faucet 9 is provided on one side of the water pool 8. The water pool 8 and the faucet 9 provide a water source for the experiment.

[0072] Each embodiment in this specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the device embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.

[0073] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A fume hood, characterized in that: The fume hood comprises a cabinet, a processing mechanism and a purification mechanism, wherein the processing mechanism and the purification mechanism are arranged on the cabinet, the processing mechanism and the purification mechanism are connected via a first pipeline, and an operating room is arranged in the cabinet; The purification mechanism is provided with a first air inlet, the first air inlet is communicated with the operating chamber, and a first impurity filter is installed in the purification mechanism; The processing mechanism stores a processing liquid for removing harmful substances from the gas, and the processing mechanism is configured to reprocess the gas filtered by the purification mechanism.

2. The fume hood according to claim 1, characterized in that The fume hood further comprises an air suction mechanism, which is mounted on the cabinet body and is configured to suck the gas in the operating room into the first air inlet.

3. The fume hood according to claim 1, wherein: The cabinet is provided with a second air inlet, and the second air inlet is communicated with the operating room.

4. The fume hood according to claim 1, wherein: The first impurity filter is arranged between the first air inlet and the air inlet of the first pipeline; And / or, the purification mechanism includes an impurity adsorption layer, and the impurity adsorption layer is arranged between the first air inlet and the air inlet of the first pipeline.

5. The fume hood according to claim 1, wherein: The treatment mechanism comprises a treatment liquid storage tank and a liquid spraying device, wherein the liquid spraying device is communicated with the treatment liquid storage tank and is configured to spray the treatment liquid in the treatment liquid storage tank.

6. The fume hood according to claim 5, characterized in that The liquid spraying device includes a spray head and a second pipe, the second pipe is communicated with the treatment liquid storage tank, and the spray head is installed on the second pipe and communicated with the second pipe.

7. The fume hood according to claim 6, characterized in that The processing mechanism further includes a pressure pump, which is disposed between the second pipeline and the processing liquid storage tank, and is used to pressurize the processing liquid entering the second pipeline.

8. The fume hood according to claim 6, wherein: An exhaust port is provided on the side wall of the processing mechanism. A second impurity filter is also provided in the processing mechanism. The second impurity filter is provided between the air outlet of the first pipe and the exhaust port and is located below the nozzle.

9. The fume hood according to claim 1, wherein: The purification mechanism is located in the operating room, and the processing mechanism is installed on the outer wall of the cabinet.

10. The fume hood of claim 1, wherein: The bottom of the processing mechanism is also provided with a liquid discharge port.

11. The fume hood of claim 1, wherein: A storage cabinet is also installed on the cabinet body, and a sealing door is installed on the storage cabinet; And / or, a water pool is installed on the cabinet, and a faucet is arranged on one side of the water pool.

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