Intelligent purification and exhaust system for laboratory

Abstract

The utility model provides a laboratory intelligent purification exhaust system, relates to purification exhaust field, including: air intake subassembly, liquid storage tank, adsorption subassembly and exhaust pipe, the air intake subassembly is provided in one side outer wall of laboratory, and liquid storage tank is provided in the other side of laboratory, and the upper side of liquid storage tank is connected with the water pump, and the exhaust pipe is connected with the adsorption subassembly. An exhaust fan and a filtering device are arranged on the upper side of the laboratory, the upper end of an exhaust pipe is connected to one side of the filtering device, the lower end of the exhaust pipe is connected with a draft fan, the draft fan is installed on the outer wall of the laboratory, and the adsorption assembly is arranged in a pipeline of the exhaust pipe. A spraying pipe is arranged in the exhaust pipe and connected with the upper end of the water feeding pipe. The intelligent ventilation and exhaust system for the laboratory solves the problems that when an existing intelligent ventilation and exhaust system for the laboratory is used for exhaust of a multi-floor laboratory, the waste gas filtering effect is poor, and the filtering effect on fresh air entering the laboratory is lacked.

Description

Technical Field

[0001] The utility model relates to the technical field of purification and exhaust, and in particular to an intelligent purification and exhaust system for a laboratory. Background Art

[0002] The laboratory is a place where experiments are conducted. There are certain requirements for the air quality inside the laboratory. In order to ensure the air quality inside the laboratory, it is often necessary to exhaust the laboratory. Therefore, an exhaust system is installed in the existing laboratory building to exhaust the laboratories in the building. After searching, the prior art (application number: CN201820023696.3) records "a laboratory intelligent ventilation and exhaust system, which aims to solve the problem that the existing exhaust system cannot purify the gas. The technical points are: a laboratory intelligent exhaust system, including an exhaust cabinet arranged in the laboratory, an exhaust branch pipe is connected to the upper part of the exhaust cabinet, and a first fan is arranged at the end of the exhaust branch pipe away from the exhaust cabinet. The first fan has a first air inlet and a first air outlet, and the end of the exhaust branch pipe away from the exhaust cabinet is connected to the first air inlet. It also includes a second fan, the second fan has a second air inlet and a second air outlet, the second air inlet is connected to the exhaust main pipe, the first air outlet is respectively connected to the exhaust main pipe, and a filter device is arranged near the second air inlet of the exhaust main pipe. The utility model has the following beneficial effects: it can quickly discharge harmful gases generated in the laboratory; it can purify the gas and filter the harmful substances therein, which is conducive to environmental protection; it is convenient to replace the activated carbon filter."

[0003] However, although the laboratory intelligent ventilation and exhaust system in the prior art has achieved the effect of purifying and exhausting air, it still has some shortcomings: the filtering device involved in the existing laboratory intelligent ventilation and exhaust system is located outside the laboratory. When the air inside the laboratory is extracted through the pipe, a large amount of laboratory air cannot be purified when passing through the longer pipe, resulting in a high concentration of exhaust gas extracted from multi-floor laboratories. The filtering effect cannot be achieved only by the filtering device; secondly, after the laboratory extracts the exhaust gas, the air pressure inside the laboratory needs to be balanced. At this time, the outside air quickly enters the laboratory, and the above-mentioned exhaust system lacks the filtering effect on the new air entering the laboratory. Utility Model Content

[0004] In order to overcome the defects of the prior art, a laboratory intelligent purification and exhaust system is now provided to solve the problem that the existing laboratory intelligent ventilation and exhaust system has a deviation in the filtering effect of exhaust gas when used for exhaust of multi-floor laboratories and lacks the filtering effect on new air entering the laboratory.

[0005] To achieve the above-mentioned purpose, a laboratory intelligent purification and exhaust system is provided, including: an air inlet component, a liquid storage tank, an adsorption component and an exhaust pipe, the air inlet component is arranged on the outer wall of one side of the laboratory, and the liquid storage tank is arranged on the other side of the laboratory, and the upper side of the liquid storage tank is connected to a water pump, and the upper water outlet end of the water pump is connected to an upper water pipe, an exhaust fan and a filter device are arranged on the upper side of the laboratory, and the upper end of the exhaust pipe is connected to one side of the filter device, and the lower end of the exhaust pipe is connected to an exhaust fan, and the exhaust fan is installed on the outer wall of the laboratory, the adsorption component is arranged in the pipe of the exhaust pipe, and a spray pipe is arranged inside the exhaust pipe, and the spray pipe is connected to the upper end of the upper water pipe.

[0006] Furthermore, the air inlet assembly includes a filter box fixed to the outer wall of the laboratory, and the upper end of the filter box is connected to an air outlet pipe, and the outlet of the air outlet pipe is connected to the inside of the laboratory, and a movable valve plate is provided at the outlet of the air outlet pipe.

[0007] Furthermore, a through hole is provided on the outer wall of the filter box, and an air inlet is connected to the outer side of the through hole. An air filter element is provided inside the filter box, and a dust screen is provided inside the air inlet.

[0008] Furthermore, the outer wall of the exhaust pipe is connected with a connecting plate, and the connecting plate is fixed to the outer wall of the laboratory, and the lower end of the exhaust pipe is plugged into the interior of the liquid storage tank.

[0009] Furthermore, a hose is connected to the exhaust pipe, and the hose is arranged on the upper and lower sides of the adsorption component, and the adsorption component is arranged on the upper side of the water pipe.

[0010] Furthermore, a filler is provided inside the exhaust pipe, and the filler is located at the lower side of the spray pipe, and the air outlet end of the exhaust fan is connected to a downward inclined pipe, and the inclined pipe is inserted into the exhaust pipe, and the inclined pipe is located at the lower side of the filler.

[0011] Furthermore, the adsorption assembly includes a fixing plate fixed to the outer pipe wall of the exhaust pipe, and the fixing plates are connected with adsorption members by bolts, and connecting holes are provided at both ends of the adsorption member.

[0012] Furthermore, a mounting hole is opened inside the adsorbent, and a magnet is provided on the inner wall of the mounting hole, and sealing rings are provided on the upper and lower sides of the magnet. At the same time, a magnetic block is connected to the inner side of the magnet, and a double-layer mesh plate is provided on the inner side of the magnetic block, and activated carbon is provided between the double-layer mesh plates.

[0013] The beneficial effects of the utility model are:

[0014] 1. When in use, start the exhaust fan and the exhaust fan at the same time, so that the waste gas in the laboratory is extracted through the exhaust pipe, and start the water pump at the same time, so that when the waste gas flows upward through the exhaust pipe, the neutralizing waste gas solution sprayed from the upper water pipe and the spray pipe sprays and washes the waste gas, so that the waste gas in the pipeline is first purified, and then the waste gas continues to rise through the adsorption component, using the adsorption component included in the adsorption component, so that the internal activated carbon purifies the waste gas again, thereby achieving the initial filtering treatment effect of the waste gas in the pipeline before it enters the filter device, so that it is convenient to filter and purify the waste gas when exhausting the multi-floor laboratory, and achieve good treatment effect;

[0015] 2. During the exhaust process, when negative pressure appears in the laboratory, the outside air enters the air inlet, passes through the air filter in the filter box, and then opens the movable valve plate through the exhaust pipe to allow the filtered fresh air from the outside to enter the laboratory to balance the internal and external air pressure, thereby achieving ventilation and exhaust effects during the test. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model.

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the air inlet assembly according to an embodiment of the utility model.

[0018] Figure 3 It is a schematic diagram of the cross-sectional structure of the air inlet assembly of an embodiment of the utility model.

[0019] Figure 4 It is a schematic diagram of the partial cross-sectional structure of the exhaust pipe according to an embodiment of the utility model.

[0020] Figure 5 It is a schematic diagram of the cross-sectional structure of the adsorption component of an embodiment of the utility model.

[0021] Figure 6 For the utility model embodiment Figure 5 Schematic diagram of the structure at point A in the middle.

[0022] In the figure: 1. laboratory; 2. air inlet assembly; 21. air inlet; 211. dust screen; 22. filter box; 221. through hole; 222. air filter element; 23. air outlet pipe; 231. movable valve plate; 3. liquid storage tank; 31. water pump; 32. water supply pipe; 33. spray pipe; 4. adsorption assembly; 41. fixing plate; 42. adsorption part; 421. connecting hole; 422. magnet; 423. magnetic block; 424. sealing ring; 425. mesh plate; 426. activated carbon; 5. exhaust pipe; 51. hose; 52. connecting plate; 53. filler; 6. filter device; 7. exhaust fan; 8. exhaust fan. DETAILED DESCRIPTION

[0023] Reference Figures 1 to 6 As shown, the utility model provides a laboratory intelligent purification exhaust system, including: an air inlet component 2, a liquid storage tank 3, an adsorption component 4 and an exhaust pipe 5, the air inlet component 2 is arranged on one side outer wall of the laboratory 1, and the liquid storage tank 3 is arranged on the other side of the laboratory 1, and the upper side of the liquid storage tank 3 is connected to a water pump 31, and the upper water outlet end of the water pump 31 is connected to an upper water pipe 32, an exhaust fan 7 and a filter device 6 are arranged on the upper side of the laboratory 1, and the upper end of the exhaust pipe 5 is connected to one side of the filter device 6, and the lower end of the exhaust pipe 5 is connected to an exhaust fan 8, and the exhaust fan 8 is installed on the outer wall of the laboratory 1, the adsorption component 4 is arranged in the pipeline of the exhaust pipe 5, and a spray pipe 33 is arranged inside the exhaust pipe 5, and the spray pipe 33 is connected to the upper end of the upper water pipe 32.

[0024] In this embodiment, the air inlet assembly 2, the liquid storage tank 3, the adsorption assembly 4 and the exhaust pipe 5 constitute the main structure of the laboratory intelligent purification and exhaust system involved in this application.

[0025] Specifically, the exhaust fan 7 is connected to the filter device 6 through a pipeline, and the filter device 6 is configured to have the same structure and purification principle as the components involved in the comparative document.

[0026] Specifically, the liquid storage tank 3 is provided with a neutralizer treatment liquid that neutralizes the specific exhaust gas in the laboratory, and a partition is provided in the liquid storage tank 3. The chamber on one side of the partition contains the neutralizer, and the chamber on the other side is connected to the lower end of the exhaust pipe 5, so that the sprayed treatment liquid can be recovered, and a filtrate filtering structure is provided in the partition, so that the recovered treatment liquid can be circulated and pumped out by the water pump 31 for use after filtration.

[0027] like Figure 1 and Figure 2 As shown, the air inlet assembly 2 includes a filter box 22 fixed on the outer wall of the laboratory 1, and the upper end of the filter box 22 is connected to an air outlet pipe 23, and the pipe mouth of the air outlet pipe 23 is connected to the inside of the laboratory 1, and a movable valve plate 231 is provided at the pipe mouth of the air outlet pipe 23, and a through hole 221 is opened on the outer wall of the filter box 22, and the outer side of the through hole 221 is connected to the air inlet 21, and an air filter element 222 is provided inside the filter box 22, and a dust net 211 is provided inside the air inlet 21.

[0028] As a preferred embodiment, by setting a movable valve plate 231, it can be automatically opened when the internal and external air pressures of the laboratory 1 are balanced, and the ventilation volume can be automatically adjusted according to the size of the negative pressure inside the laboratory 1. It is convenient to use. At the same time, the air filter element 222 inside the filter box 22 can filter the external air.

[0029] like Figure 1 and Figure 4 As shown, the outer wall of the exhaust pipe 5 is connected to a connecting plate 52, and the connecting plate 52 is fixed to the outer wall of the laboratory 1, and the lower end of the exhaust pipe 5 is inserted into the liquid storage tank 3, a hose 51 is connected to the pipe of the exhaust pipe 5, and the hose 51 is arranged on the upper and lower sides of the adsorption component 4, and the adsorption component 4 is arranged on the upper side of the upper water pipe 32, a filler 53 is arranged inside the exhaust pipe 5, and the filler 53 is located at the lower side of the spray pipe 33, and the air outlet end of the exhaust fan 8 is connected to a downward inclined pipe, and the inclined pipe is inserted into the exhaust pipe 5, and the inclined pipe is located at the lower side of the filler 53.

[0030] As a preferred embodiment, by providing a hose 51, when the adsorption assembly 4 is disassembled, the fixed plate 41 on one side of the adsorption component 42 can be telescopically moved when the adsorption component 42 is disassembled, thereby disassembling the adsorption component 42 and then disassembling the activated carbon 426 inside it.

[0031] like Figure 5 and Figure 6 As shown, the adsorption component 4 includes a fixing plate 41 fixed to the outer tube wall of the exhaust pipe 5, and an adsorption member 42 is connected between the fixing plates 41 by bolts, and connecting holes 421 are opened at both ends of the adsorption member 42, a mounting hole is opened inside the adsorption member 42, and a magnet 422 is provided on the inner wall of the mounting hole, and a sealing ring 424 is provided on the upper and lower sides of the magnet 422, and a magnetic block 423 is connected to the inner side of the magnet 422, a double-layer mesh plate 425 is provided on the inner side of the magnetic block 423, and activated carbon 426 is provided between the double-layer mesh plates 425.

[0032] Specifically, the double-layer mesh plate 425 and the magnetic block 423 are set as an integral structure, and the adsorption member 42 is set as a circular ring structure, and the magnet 422 is set on the inner wall of the circular ring, and the sealing ring 424 is also fixed on the inner walls of the upper and lower side ring openings of the circular ring, thereby facilitating the sealed connection between the disconnected end of the exhaust pipe 5 and the circular ring.

[0033] As a preferred implementation, the double-layer mesh panel 425 is easily installed by the mutual adsorption of the magnet 422 and the magnetic block 423 .

[0034] When in use, start the exhaust fan and the exhaust fan at the same time, so that the waste gas in the laboratory is extracted through the exhaust pipe, and start the water pump at the same time, so that the waste gas flows upward through the exhaust pipe, and the neutralizing waste gas solution sprayed from the water pipe and the spray pipe sprays and washes the waste gas, so that the waste gas in the pipeline is purified for the first time, and then when the waste gas continues to rise, it passes through the adsorption component and utilizes the adsorption member included in the adsorption component to make the internal activated carbon purify the waste gas again, thereby realizing the preliminary filtering treatment effect of the waste gas in the pipeline before it enters the filtering device, so that it is convenient to filter and purify the waste gas when exhausting laboratories on multiple floors, and achieve good treatment effect.

[0035] The laboratory intelligent purification and exhaust system of the utility model can effectively solve the problems of the existing laboratory intelligent ventilation and exhaust systems having deviations in the filtering effect of exhaust gas when used for exhaust of multi-floor laboratories and lack of filtering effect on new air entering the laboratory. It is realized on the basis of the existing laboratory intelligent purification and exhaust system technology, and is convenient for enhancing the filtering effect of exhaust gas when used for exhaust of multi-floor laboratories, and is convenient for achieving the effect of automatic ventilation and the entry of new air into the laboratory to balance the air pressure.

Claims

1. A laboratory intelligent purification and exhaust system, comprising: An air inlet assembly (2), a liquid storage tank (3), an adsorption assembly (4) and an exhaust pipe (5), characterized in that: the air inlet assembly (2) is arranged on one side of the outer wall of the laboratory (1), and the liquid storage tank (3) is arranged on the other side of the laboratory (1), and the upper side of the liquid storage tank (3) is connected to a water pump (31), and the upper water outlet end of the water pump (31) is connected to an upper water pipe (32), the upper side of the laboratory (1) is provided with an exhaust fan (7) and a filter device (6), and the upper end of the exhaust pipe (5) is connected to one side of the filter device (6), and the lower end of the exhaust pipe (5) is connected to an exhaust fan (8), and the exhaust fan (8) is installed on the outer wall of the laboratory (1), the adsorption assembly (4) is arranged in the pipeline of the exhaust pipe (5), and a spray pipe (33) is arranged inside the exhaust pipe (5), and the spray pipe (33) is connected to the upper end of the upper water pipe (32).

2. According to claim 1, a laboratory intelligent purification exhaust system is characterized in that: The air inlet assembly (2) comprises a filter box (22) fixed to the outer wall of the laboratory (1), and the upper end of the filter box (22) is connected to an air outlet pipe (23), and the pipe mouth of the air outlet pipe (23) is connected to the inside of the laboratory (1), and a movable valve plate (231) is provided at the pipe mouth of the air outlet pipe (23).

3. A laboratory intelligent purification exhaust system according to claim 2, characterized in that: The outer wall of the filter box (22) is provided with a through hole (221), and the outer side of the through hole (221) is connected to the air inlet (21). An air filter element (222) is provided inside the filter box (22), and a dustproof net (211) is provided inside the air inlet (21).

4. The laboratory intelligent purification exhaust system according to claim 1 is characterized in that: The outer wall of the exhaust pipe (5) is connected to a connecting plate (52), and the connecting plate (52) is fixed to the outer wall of the laboratory (1), and the lower end of the exhaust pipe (5) is inserted into the interior of the liquid storage tank (3).

5. The laboratory intelligent purification exhaust system according to claim 1 is characterized in that: A hose (51) is connected to the exhaust pipe (5), and the hose (51) is arranged on the upper and lower sides of the adsorption component (4), and the adsorption component (4) is arranged on the upper side of the water supply pipe (32).

6. The laboratory intelligent purification exhaust system according to claim 1 is characterized in that: A filler (53) is provided inside the exhaust pipe (5), and the filler (53) is located at the lower side of the spray pipe (33), and the air outlet end of the exhaust fan (8) is connected to a downwardly inclined pipe, and the inclined pipe is inserted into the exhaust pipe (5), and the inclined pipe is located at the lower side of the filler (53).

7. The laboratory intelligent purification exhaust system according to claim 1 is characterized in that: The adsorption assembly (4) comprises a fixing plate (41) fixed to the outer tube wall of the exhaust pipe (5), and an adsorption member (42) is connected between the fixing plates (41) by bolts, and connection holes (421) are provided at both ends of the adsorption member (42).

8. The intelligent laboratory purification and exhaust system according to claim 7, characterized in that: The adsorbent (42) is provided with a mounting hole inside, and a magnet (422) is provided on the inner wall of the mounting hole, and sealing rings (424) are provided on the upper and lower sides of the magnet (422), and a magnetic attraction block (423) is connected to the inner side of the magnet (422), and a double-layer mesh plate (425) is provided on the inner side of the magnetic attraction block (423), and activated carbon (426) is provided between the double-layer mesh plates (425).

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