Laboratory lower return air waste gas purification experiment operation table

By integrating fan-driven ventilation duct network and purification components on the experimental operation table, the problem of unpurified waste gas generated by the experiment is solved, effective purification and emission of waste gas is achieved, the air quality of the laboratory is improved, and the health of the experimenters is protected. .

CN222287370UActive Publication Date: 2025-01-03HEBEI SUNLADE MECHANICAL & ELECTRICAL EQUIPMENT CO LTD
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Patent Information

Application Number
CN202421099594.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-20
Publication Date
2025-01-03
Estimated Expiration
2034-05-20

AI Technical Summary

Technical Problem

The exhaust gas generated by the existing experimental operation bench during the experiment was not purified, resulting in laboratory air pollution and affecting the health of the experimenter.

Method used

A laboratory down-return air exhaust gas purification experimental operation table was designed, using fan-driven ventilation duct network and purification components. The exhaust gas enters the purification filter cartridge and filter flow italics through the ventilation duct network, and uses a rotating toggle rod and torsion spring mechanism to realize the waste gas. filtration and purification, and finally the purified exhaust gas is discharged through the exhaust pipe.

Benefits of technology

Effectively purify the exhaust gas on the experimental operation bench, prevent air pollution, improve the air quality in the laboratory, and protect the health of the experimenters.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of experiment operation tables, and discloses a laboratory lower return air waste gas purification experiment operation table which comprises an experiment operation table body, a box door is installed on one side of the experiment operation table body through hinges in a hinged mode, a vertical partition plate is arranged in the experiment operation table body, and a folded partition plate is fixedly installed on one side of the vertical partition plate. By designing the purification filter cartridge, the card punching box door and the rotary poke rod, the poke rod drives the filter purification net, the filter purification net drives the main shaft body and the thin shaft body to rotate, and the torsional spring deforms, so that the soft blocking rubber block on the filter purification net opens the through hole in the filter flow inclined body; waste gas flows into the filtering and purifying net arranged between the filtering flow inclined bodies through the filtering flow inclined bodies, after purification, under the action of the torsional spring, finally, the poke rod recovers, the soft blocking rubber block recovers to the position below the through hole, then closing is conducted, and the purification effect is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of experimental operating tables, in particular to a laboratory lower return air exhaust gas purification experimental operating table. Background Art

[0002] The laboratory operating table is a table used by hospitals, schools, chemical plants, scientific research institutes and other enterprises and institutions for experimental testing and storage of instruments. According to the placement location, it is divided into: central laboratory table, side laboratory table, corner table; according to the material, it is divided into: all-steel laboratory table, steel-wood laboratory table, all-wood laboratory table, PP laboratory table, aluminum-wood laboratory table. When it is necessary to test and inspect experimental materials, the laboratory operating table will be used.

[0003] Most of the experimental preparation and implementation are carried out on the experimental table. The existing experimental table does not have the function of purifying the waste gas generated by the experiment. The waste gas generated during the experiment will be directly discharged into the laboratory, polluting the air in the laboratory and causing harm to the health of the laboratory personnel. Utility Model Content

[0004] The utility model aims to provide a laboratory return air exhaust gas purification experimental operation table to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a laboratory down-return exhaust gas purification experimental operating table, comprising: an experimental operating table, one side of which is hingedly provided with a box door, a vertical partition is arranged inside the experimental operating table, a folding partition is fixedly installed on one side of the vertical partition, and three air intakes are opened on both sides of the top of the experimental operating table; exhaust system components and purification components are arranged inside the experimental operating table.

[0006] Preferably, the exhaust system components include: a ventilation pipe cover, which is embedded in the interior of the air suction port; a connector, which is snap-fitted to the bottom of the air suction port; and a fan, which is arranged between the vertical partition and the folding partition.

[0007] Preferably, the bottom of the connector located in the middle part of the left side is connected to a main ventilation pipe, and the bottoms of the other two connectors located on the left side are connected to branch ventilation pipes, and the other ends of the branch ventilation pipes are connected to the outer wall of the main ventilation pipe.

[0008] Preferably, three long branch ventilation pipes are connected to the bottom of the right connecting head, and the other ends of the long branch ventilation pipes pass through the vertical partition and extend to the other side of the vertical partition.

[0009] Preferably, both sides of the outer wall of the long branch ventilation pipe located in the middle portion are connected to the ends of the other two long branch ventilation pipes through a connecting ventilation pipe.

[0010] Preferably, the bottom end of the main branch ventilation duct is connected to a bend pipe through a purification component, the other end of the bend pipe passes through the folding partition and extends to the other side of the folding partition, and the other end of the bend pipe is connected to the input end of the fan, and the output end of the fan is connected to an exhaust duct, and the other end of the exhaust duct passes through the vertical partition and the experimental operating table in sequence and extends to the outside.

[0011] Preferably, the purification component includes: a purification filter cartridge, which is connected and arranged between the main and branch ventilation pipes and the bend pipe; and two groups of filter italics, which are symmetrically inverted and integrally connected to the interior of the purification filter cartridge.

[0012] Preferably, a toggle groove is provided on one side of the outer wall of the purification filter cartridge, and a toggle rod is slidably connected inside the toggle groove, a filter purification net in contact with the purification filter cartridge is provided between the filter oblique bodies, the outer wall of the filter purification net is fixedly connected to the end of the toggle rod, and a soft blocking rubber block is fixedly installed on the top of the filter purification net;

[0013] A main shaft body is installed in the center hole of the filter purification net, and the top and bottom of the main shaft body both pass through the bottom of the filter bevel and extend to the inside of the filter bevel, and the main shaft body extending to the inside of the filter bevel is integrally connected with a thin shaft body, and the thin shaft body is rotatably connected to the inner side of the filter bevel through a bearing, and a torsion spring is sleeved on the outer wall of the thin shaft body, one end of the torsion spring is fixedly connected to the main shaft body, and the other end of the torsion spring is fixedly connected to the filter bevel.

[0014] The utility model provides a laboratory return air exhaust gas purification experimental operation table. It has the following beneficial effects:

[0015] (1) The utility model starts the fan to run. If waste gas is generated during the experiment, the fan is used to make the waste gas on the experimental operating table pass through the ventilation pipe cover into the main ventilation pipe, the branch ventilation pipe, the long branch ventilation pipe, and the connecting ventilation pipe, and finally enter the purification component to be centrally purified and filtered. Finally, along the curved angle pipe, under the action of the fan, it is exhausted from the exhaust pipe, thereby achieving the exhaust effect.

[0016] (2) The utility model designs a purification filter cartridge, punches the box door, rotates the toggle lever, and the toggle lever drives the filter purification net, which drives the main shaft and the fine shaft to rotate, and the torsion spring deforms, so that the soft blocking rubber block on the filter purification net opens the through hole on the filter flow bevel, so that the exhaust gas flows through the filter flow bevel into the filter purification net arranged between the filter flow bevel, and after purification, under the action of the torsion spring, the toggle lever is finally restored, and the soft blocking rubber block is restored to the bottom of the through hole, that is, it is closed, thereby achieving the purification effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0018] Figure 2 This is a cross-sectional view of the overall structure of the utility model;

[0019] Figure 3 This is a view of the exhaust system components of the utility model;

[0020] Figure 4 This is a view of the purification component of the utility model.

[0021] In the figure: 111 experimental operation table, 112 box door, 113 vertical partition, 114 folding partition, 2 exhaust system components, 3 purification components, 211 ventilation pipe cover, 212 connector, 213 main branch ventilation pipe, 214 branch ventilation pipe, 215 long branch ventilation pipe, 216 connecting ventilation pipe, 217 angle pipe, 218 fan, 219 exhaust pipe, 311 purification filter cartridge, 312 filter italic body, 313 toggle rod, 314 filter purification net, 315 soft blocking rubber block, 316 main shaft body, 317 thin shaft body, 318 torsion spring. DETAILED DESCRIPTION

[0022] 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.

[0023] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0024] Example 1

[0025] The utility model provides a laboratory return air exhaust gas purification experimental operation table. Figure 1-4 Shown: A laboratory return air exhaust gas purification experimental operating table, including:

[0026] An experimental operating table 111, a door 112 is hingedly installed on one side of the experimental operating table 111, a vertical partition 113 is arranged inside the experimental operating table 111, a folding partition 114 is fixedly installed on one side of the vertical partition 113, and three air suction ports are opened on both sides of the top of the experimental operating table 111;

[0027] An exhaust system component 2 and a purification component 3 disposed inside the experimental operation table 111;

[0028] The exhaust system component 2 includes:

[0029] The ventilation pipe cover 211 is embedded in the air inlet;

[0030] The connector 212 is engaged with the bottom of the air inlet;

[0031] The fan 218 is arranged between the vertical partition 113 and the folding partition 114;

[0032] The bottom of the connector 212 located in the middle of the left side is connected to a main ventilation pipe 213, and the bottoms of the other two connectors 212 located on the left side are connected to branch ventilation pipes 214, and the other ends of the branch ventilation pipes 214 are connected to the outer wall of the main ventilation pipe 213;

[0033] Three long branch ventilation pipes 215 are connected to the bottom of the right connector 212, and the other ends of the long branch ventilation pipes 215 penetrate the vertical partition 113 and extend to the other side of the vertical partition 113;

[0034] The two sides of the outer wall of the long branch ventilation pipe 215 located in the middle are connected to the ends of the other two long branch ventilation pipes 215 through the connecting ventilation pipe 216;

[0035] The bottom end of the main branch ventilation pipe 213 is connected to an angle pipe 217 through the purification component 3, and the other end of the angle pipe 217 passes through the folding partition 114 and extends to the other side of the folding partition 114, and the other end of the angle pipe 217 is connected to the input end of the fan 218, and the output end of the fan 218 is connected to an exhaust pipe 219, and the other end of the exhaust pipe 219 passes through the vertical partition 113 and the experimental operation table 111 in sequence and extends to the outside;

[0036] Furthermore, in this embodiment, by starting the fan 218, if exhaust gas is generated during the experiment, the fan 218 is used to make the exhaust gas on the experimental operating table 111 pass through the ventilation pipe cover 211 into the main branch ventilation pipe 213, the branch ventilation pipe 214, the long branch ventilation pipe 215, and the connecting ventilation pipe 216, and finally enter the purification component 3 to be centrally purified and filtered, and then along the bend pipe 217, under the action of the fan 218, it is exhausted from the exhaust pipe 219, thereby achieving the exhaust effect.

[0037] Example 2

[0038] Based on Example 1, a preferred embodiment of a laboratory return air exhaust gas purification experimental operation table provided by the utility model is as follows: Figure 1-4 As shown:

[0039] The purification component 3 includes:

[0040] The purification filter cartridge 311 is connected and arranged between the main and branch ventilation pipes 213 and the angle pipe 217;

[0041] There are two groups of filter oblique bodies 312, which are symmetrically inverted and integrally connected to the interior of the purification filter cartridge 311;

[0042] A toggle groove is provided on one side of the outer wall of the purification filter cartridge 311, and a toggle rod 313 is slidably connected inside the toggle groove. A filter purification net 314 in contact with the purification filter cartridge 311 is provided between the filter oblique body 312. The outer wall of the filter purification net 314 is fixedly connected to the end of the toggle rod 313, and a soft blocking rubber block 315 is fixedly installed on the top of the filter purification net 314.

[0043] A main shaft body 316 is installed in the center hole of the filter purification net 314. The top and bottom of the main shaft body 316 pass through the bottom of the filter bevel 312 and extend to the inside of the filter bevel 312. The main shaft body 316 extending to the inside of the filter bevel 312 is integrally connected with a thin shaft body 317, and the thin shaft body 317 is rotatably connected to the inner side of the filter bevel 312 through a bearing. The outer wall of the thin shaft body 317 is sleeved with a torsion spring 318, one end of the torsion spring 318 is fixedly connected to the main shaft body 316, and the other end of the torsion spring 318 is fixedly connected to the filter bevel 312.

[0044] Furthermore, in this embodiment, by designing a purification filter cartridge 311, opening the box door 112, and rotating the toggle rod 313, the toggle rod 313 drives the filter purification net 314, and the filter purification net 314 drives the main shaft body 316 and the thin shaft body 317 to rotate, and the torsion spring 318 is deformed, so that the soft blocking rubber block 315 on the filter purification net 314 opens the through hole on the filter flow bevel 312, so that the exhaust gas flows through the filter flow bevel 312 to the filter purification net 314 arranged between the filter flow bevel 312, and after purification, under the action of the torsion spring 318, the toggle rod 313 is finally restored, and the soft blocking rubber block 315 is restored to the bottom of the through hole, that is, it is closed, thereby achieving the purification effect.

[0045] Working principle: By starting the fan 218, if exhaust gas is generated during the experiment, the fan 218 is used to make the exhaust gas on the experimental operation table 111 pass through the ventilation pipe cover 211 into the main branch ventilation pipe 213, the branch ventilation pipe 214, the long branch ventilation pipe 215, and the connecting ventilation pipe 216, and finally enter the purification component 3, open the box door 112, rotate the toggle rod 313, the toggle rod 313 drives the filter purification net 314, the filter purification net 314 drives the main shaft body 316 and the thin shaft body 317 to rotate, and the torsion spring 31 8 is deformed, so that the soft blocking rubber block 315 on the filter purification net 314 opens the through hole on the filter flow inclined body 312, so that the exhaust gas flows through the filter flow inclined body 312 to the filter purification net 314 arranged between the filter flow inclined body 312, and after purification, under the action of the torsion spring 318, the toggle rod 313 is finally restored, and the soft blocking rubber block 315 is restored to the bottom of the through hole, that is, it is closed. After the centralized purification and filtration is completed, the exhaust gas is finally discharged from the exhaust pipe 219 along the curved angle pipe 217 under the action of the fan 218.

[0046] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A laboratory return air exhaust gas purification experimental operation table, characterized in that: include: An experimental operating table (111), wherein a door (112) is hingedly mounted on one side of the experimental operating table (111), a vertical partition (113) is arranged inside the experimental operating table (111), a folding partition (114) is fixedly mounted on one side of the vertical partition (113), and three air inlets are provided on both sides of the top of the experimental operating table (111); An exhaust system component (2) and a purification component (3) are arranged inside the experimental operating table (111).

2. According to claim 1, a laboratory return air exhaust gas purification experimental operation table is characterized by: The exhaust system component (2) comprises: A ventilation pipe cover (211) is embedded in the air inlet; A connector (212) is snap-fitted to the bottom of the air inlet; The fan (218) is arranged between the vertical partition (113) and the folding partition (114).

3. According to claim 2, a laboratory return air exhaust gas purification experimental operation table is characterized by: The bottom of the connector (212) located in the middle of the left side is connected to a main branch ventilation pipe (213), and the bottoms of the other two connectors (212) located on the left side are connected to branch ventilation pipes (214), and the other ends of the branch ventilation pipes (214) are connected to the outer wall of the main branch ventilation pipe (213).

4. According to claim 2, a laboratory return air exhaust gas purification experimental operation table is characterized by: Three long branch ventilation pipes (215) are connected to the bottom of the right connector (212), and the other ends of the long branch ventilation pipes (215) penetrate the vertical partition (113) and extend to the other side of the vertical partition (113).

5. According to claim 4, a laboratory return air exhaust gas purification experimental operation table is characterized by: Both sides of the outer wall of the long branch ventilation pipe (215) located in the middle portion are connected to the ends of the other two long branch ventilation pipes (215) via a connecting ventilation pipe (216).

6. According to claim 3, a laboratory return air exhaust gas purification experimental operation table is characterized by: The bottom end of the main branch ventilation pipe (213) is connected to a bend pipe (217) through a purification component (3); the other end of the bend pipe (217) passes through the folding partition (114) and extends to the other side of the folding partition (114); the other end of the bend pipe (217) is connected to the input end of the fan (218); the output end of the fan (218) is connected to an exhaust pipe (219); the other end of the exhaust pipe (219) passes through the vertical partition (113) and the experimental operating table (111) in sequence and extends to the outside.

7. The laboratory return air exhaust gas purification experimental operation table according to claim 1 is characterized by: The purification component (3) comprises: a purification filter cartridge (311) which is arranged in communication between the main and branch ventilation pipes (213) and the bend pipe (217); and two groups of filter bevels (312) which are symmetrically inverted and integrally connected to the interior of the purification filter cartridge (311).

8. The laboratory return air exhaust gas purification experimental operation table according to claim 7 is characterized by: A toggle groove is provided on one side of the outer wall of the purification filter cartridge (311), and a toggle rod (313) is slidably connected inside the toggle groove. A filter purification net (314) in contact with the purification filter cartridge (311) is provided between the filter oblique bodies (312). The outer wall of the filter purification net (314) is fixedly connected to the end of the toggle rod (313), and a soft blocking rubber block (315) is fixedly installed on the top of the filter purification net (314); A main shaft (316) is installed in the center hole of the filter purification net (314); the top and bottom of the main shaft (316) penetrate the bottom of the filter oblique body (312) and extend to the inside of the filter oblique body (312); the main shaft (316) extending to the inside of the filter oblique body (312) is integrally connected with a thin shaft (317); the thin shaft (317) is rotatably connected to the inner side of the filter oblique body (312) through a bearing; a torsion spring (318) is sleeved on the outer wall of the thin shaft (317); one end of the torsion spring (318) is fixedly connected to the main shaft (316); and the other end of the torsion spring (318) is fixedly connected to the filter oblique body (312).