CN214235505U

CN214235505U - Laboratory ventilation cabinet capable of purifying organic waste gas

Info

Publication number: CN214235505U
Application number: CN202023247323.0U
Authority: CN
Inventors: 崔智博; 任芳园
Original assignee: Shenyang Baimu Technology Co ltd
Current assignee: Shenyang Baimu Technology Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-09-21
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses a laboratory ventilation cabinet capable of purifying organic waste gas, belonging to the field of experimental equipment, comprising a main cabinet body and a water treatment box, wherein a rotating rod vertically running through the top of the water treatment box is arranged in the water treatment box, and stirring blades are uniformly fixed on the rotating rod in the water treatment box; install exhaust box and supply-air box on the top surface of the main cabinet body, wear to be equipped with same pivot jointly on the horizontal axis of exhaust box and supply-air box, the pivot is connected with the motor of installing on main tributary fagging top surface dorsad water treatment case's one end, and is equipped with the transmission case between the other end of pivot and the dwang. The utility model realizes the functions of ventilation, exhaust and waste gas purification, can relieve the problem that the water body is easy to form dirt on the inner wall of the water treatment tank, can ensure the water body to fully treat the waste gas, and has better treatment effect; and each mechanism has strong linkage, can save the arrangement of driving elements and is beneficial to saving electric energy.

Description

Laboratory ventilation cabinet capable of purifying organic waste gas

Technical Field

The utility model relates to an experimental device field, specificly relate to a can purify organic waste gas's laboratory fume chamber.

Background

The fume hood is an indispensable component in laboratory ventilation design, in order to prevent laboratory staff from inhaling or swallowing some toxic, pathogenic or unknown chemical substances and organisms, good ventilation should be provided in a laboratory, the most important function in the fume hood is the exhaust function, in a chemical laboratory, various harmful gases, odor, moisture and flammable, explosive and corrosive substances are generated during experimental operation, in order to protect the safety of users, prevent the pollutant in the experiment from diffusing to the laboratory, and the fume hood is used near a pollution source. The fume chamber that can on the market has the function of purifying experiment waste gas mostly, but its structure is complicated, and the cost is with high costs, and purifier wherein relies on chemical reaction consumptive material or physics consumptive material mostly moreover, and later stage use cost is high, causes secondary pollution easily, for this reason, we provide one kind and mend wind type laboratory fume chamber and solve above problem.

The patent with the publication number of CN 210386905U discloses a laboratory fume hood capable of purifying organic waste gas, which is provided with an air supplementing system consisting of an air supplementing fan, an air inlet, an air outlet and an air outlet pipe, an air exhausting system consisting of an air exhauster, an air exhausting pipe, a water bucket, an air collecting pipe and an air guiding pipe, wherein the bottom end of the air exhausting pipe extends to the inside of the water bucket and is close to the inner bottom wall of the water bucket. However, it has the following disadvantages: the water body standing in the water barrel is used for treating organic matters in waste gas for a long time, dirt is easily formed on the inner wall of the water barrel, and part of gas in the gas led into the water body passes through the water body in a bubble mode and is discharged, so that the part of gas is discharged without being fully contacted with the water body, and the waste gas treatment effect of the water body is poor. In addition, the air supplementing fan and the exhaust fan respectively need a driving element, and the consumed electric energy is more.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

The technical problem to be solved by the utility model is to provide a laboratory fume hood capable of purifying organic waste gas, which realizes the functions of ventilating, exhausting and purifying waste gas, can relieve the problem that the water body is easy to form dirt on the inner wall of a water treatment box, can ensure the water body to fully treat the waste gas, and has better treatment effect; and each mechanism has strong linkage, can save the arrangement of driving elements and is beneficial to saving electric energy.

2. Technical scheme

In order to solve the above problem, the utility model adopts the following technical scheme:

a laboratory ventilation cabinet capable of purifying organic waste gas comprises a main cabinet body and a water treatment box, wherein the main cabinet body comprises an L-shaped main support plate, two side support plates fixedly connected to two sides of the main support plate respectively, and a cabinet body arranged between the two side support plates and fixed to the lower portion of the main support plate, the transverse portion of the main support plate is horizontally positioned at the top of the vertical portion of the main support plate, and the top surface of the cabinet body is an experiment operation table top; the water treatment tank is arranged on one side, back to the tank body, of the main support plate, a rotating rod vertically penetrating the top of the water treatment tank is arranged in the water treatment tank, stirring blades are uniformly fixed on the rotating rod in the water treatment tank, a second bearing sleeved on the rotating rod is fixed at the position, through which the rotating rod penetrates, of the top of the water treatment tank, and one side of the upper end of the water treatment tank is connected with an exhaust pipe;

install extraction box and supply-air box on the top surface of main tributary fagging, one side of supply-air box exhaust box dorsad is connected with the air-supply line, and one side of supply-air box exhaust box is connected with the blast pipe that passes the main tributary fagging, one side of extraction box air-supply box is connected with the breathing pipe that passes the main tributary fagging, and one side of extraction box air-supply box dorsad is connected with the air duct that extends to in the water treatment case, extraction box and supply-air box align to set up, and wear to be equipped with same root pivot jointly on the horizontal axis of extraction box and supply-air box, the pivot is connected with the motor of installing on the main tributary fagging top surface dorsad in the one end of water treatment case dorsad, and is equipped with the transmission case between the other end of pivot and the dwang, the transmission case is connected to on the main tributary fagging through the fixed plate.

Further, the water treatment tank is supported and erected on the ground through supporting legs, the top of the water treatment tank is connected with a water inlet pipe, and the bottom of the water treatment tank is connected with a drain pipe. The water inlet pipe can be convenient for pour into the water treatment incasement, and the drain pipe can be convenient for discharge the water in the water treatment incasement.

Further, the interior top of water treatment box is fixed with the baffle of a vertical setting, the top of baffle and the inner wall of the equal attached water treatment box of side around and, and leave the clearance between the bottom of baffle and the interior bottom of water treatment box, the inner chamber of baffle with the water treatment box divide into a big cavity and a loculus, the air duct is located the loculus, dwang and stirring leaf are located big cavity, blast pipe and big cavity intercommunication. The setting of baffle can prevent that the function of stirring leaf from causing the damage to the air duct, and during the application, can only get into big cavity from the clearance of baffle bottom by the leading-in waste gas of air duct and just can successfully discharge from the blast pipe, and waste gas must pass the water that is stirred by the stirring leaf in big cavity promptly and just can discharge, and it can ensure the abundant processing to waste gas.

Furthermore, a first bearing sleeved on the rotating shaft is fixed on one side, back to the motor, of the top of the main supporting plate.

Furthermore, a second slide rail vertically located above the box cabinet body is arranged on one side, facing the box cabinet body, of the vertical portion of the main support plate, a second slide block is connected to the second slide rail in a sliding mode, an air suction head facing the experiment operation table top is fixed to the second slide block, and the air suction head is connected with an air suction pipe through an air suction hose. Through the sliding of the second sliding block along the second sliding rail, the height of the suction head can be adjusted, and the application requirements can be better met.

Furthermore, a first slide rail is fixed on the experiment operation table board, a first slide block is connected to the first slide rail in a sliding mode, an articulated rod is connected between the first slide block and the second slide block, two ends of the articulated rod are hinged to the first slide block and the second slide block respectively, and a locking screw used for tightly abutting against the first slide rail is arranged on the first slide block. Through promoting the removal of first slider on first slide rail, it can drive the second slider through the articulated arm and take place to slide along the second slide rail, treats that the suction head moves to required height along with the second slider after, it can to tighten locking screw locking first slider. Then only need operate on experimental operation mesa can realize the altitude mixture control to the suction head, and its application operation is comparatively convenient.

Further, a storage cavity is formed inside the cabinet body, and a cabinet door with a handle is arranged on the front face of the cabinet body. The setting in storing chamber can be used to deposit experimental apparatus etc. and the cabinet door through having the handle can be comparatively convenient realization storing chamber open and close.

3. Advantageous effects

(1) The utility model is provided with a vertical rotating rod running through the top of the water treatment tank, and the rotating rod in the water treatment tank is evenly fixed with stirring blades, when in use, the rotating rod drives the stirring blades to rotate, and the water in the water treatment tank can be stirred, so that the water in the water treatment tank can not easily form dirt on the inner wall of the water treatment tank due to long-time standing; and the stirring of stirring leaf to the water can break up the bubble that produces after waste gas lets in the water, avoids in the bubble waste gas not fully contact with the water just discharge to can ensure the water and to the abundant processing of waste gas, its treatment effect is better.

(2) The utility model is provided with the same rotating shaft on the horizontal axis of the air suction box and the air supply box, one end of the rotating shaft, which is back to the water treatment box, is connected with the motor, and the transmission box is arranged between the other end of the rotating shaft and the rotating rod, after the motor is started, the fan in the air suction box and the air supply box can be driven to rotate at the same time, the air supply box is driven to suck air, and the air is blown to the upper part of the experimental operation table board; the exhaust box is driven to suck the waste gas generated in the experimental process and is guided into the water treatment box through the air guide pipe, and the water body in the water treatment box can filter organic matters in the waste gas, so that the functions of ventilation, exhaust and waste gas purification are realized; meanwhile, the rotating shaft can drive the rotating rod to rotate through the transmission of the transmission case, and the rotating drive of the stirring blades is realized. The device can drive each mechanism by only one motor, namely, each mechanism has strong linkage, can save the arrangement of driving elements and is beneficial to saving electric energy.

To sum up, the utility model realizes the functions of ventilation, exhaust and waste gas purification, can relieve the problem that the water body is easy to form dirt on the inner wall of the water treatment tank, and can ensure the water body to fully treat the waste gas, and the treatment effect is better; and each mechanism has strong linkage, can save the arrangement of driving elements and is beneficial to saving electric energy.

Drawings

FIG. 1 is a schematic side view of the structure of the present invention;

fig. 2 is a schematic view of the main cabinet 8 taken along a vertical central plane corresponding to the transverse direction in fig. 1;

fig. 3 is an enlarged view of the water treatment tank 3 taken along a vertical center plane corresponding to the horizontal direction in fig. 1.

Reference numerals: 1. supporting legs; 2. a drain pipe; 3. a water treatment tank; 4. an exhaust pipe; 5. a water inlet pipe; 6. rotating the rod; 7. an air duct; 8. a main cabinet body; 81. a main supporting plate; 82. a cabinet body; 83. a side support plate; 9. a transmission case; 10. a fixing plate; 11. a first bearing; 12. an air extraction box; 13. a rotating shaft; 14. an air supply box; 15. an air inlet pipe; 16. a motor; 17. a first slide rail; 18. an air suction head; 19. a second slider; 20. a second slide rail; 21. a suction hose; 22. an air intake duct; 23. an air supply pipe; 24. a hinged lever; 25. a first slider; 26. a cabinet door; 27. a handle; 28. stirring blades; 29. a second bearing; 30. a separator.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Example 1

As shown in fig. 1, the laboratory fume hood capable of purifying organic waste gas comprises a main cabinet body 8 and a water treatment tank 3, as shown in fig. 2, the main cabinet body 8 comprises a main support plate 81 in an L shape, two side support plates 83 fixedly connected to two sides of the main support plate 81 respectively, and a cabinet body 82 arranged between the two side support plates 83 and fixed to the lower portion of the main support plate 81, wherein the lateral portion of the main support plate 81 is horizontally located at the top of the vertical portion thereof, and the top surface of the cabinet body 82 is an experiment operation table surface; the water treatment tank 3 is arranged on one side, back to the tank body 82, of the main support plate 81, as shown in fig. 3, a rotating rod 6 vertically penetrating the top of the water treatment tank 3 is arranged in the water treatment tank 3, stirring blades 28 are uniformly fixed on the rotating rod 6 in the water treatment tank 3, a second bearing 29 sleeved on the rotating rod 6 is fixed at a position, through which the rotating rod 6 penetrates, on the top of the water treatment tank 3, and an exhaust pipe 4 is connected to one side of the upper end of the water treatment tank 3;

as shown in fig. 1 and 2, an air suction box 12 and an air supply box 14 are installed on the top surface of the main support plate 81, one side of the air supply box 14, which faces away from the air suction box 12, is connected with an air inlet pipe 15, one side of the air supply box 14, which faces away from the air suction box 12, is connected with an air supply pipe 23, which penetrates through the main support plate 81, one side of the air suction box 12, which faces towards the air supply box 14, is connected with an air suction pipe 22, which penetrates through the main support plate 81, one side of the air suction box 12, which faces away from the air supply box 14, is connected with an air guide pipe 7, which extends into the water treatment tank 3, the air suction box 12 and the air supply box 14 are aligned, the same rotating shaft 13 commonly penetrates through the horizontal axes of the air suction box 12 and the air supply box 14, and a sealing bearing is arranged at a position, through which the rotating shaft 13 penetrates, on the air suction box 12 and the air supply box 14, so as to realize the rotating connection of the rotating shaft 13 and prevent air leakage; one end of the rotating shaft 13, which faces away from the water treatment tank 3, is connected with a motor 16 installed on the top surface of the main support plate 81, a transmission case 9 is arranged between the other end of the rotating shaft 13 and the rotating rod 6, the transmission case 9 is connected to the main support plate 81 through a fixing plate 10, and a pair of bevel gear pairs are arranged in the transmission case 9 and comprise two bevel gears (not shown in the figure) respectively sleeved on the rotating shaft 13 and the rotating rod 6.

In the present embodiment, as shown in fig. 1 and 3, the water treatment tank 3 is supported and erected on the ground by the support legs 1, the top of the water treatment tank 3 is connected with the water inlet pipe 5, and the bottom of the water treatment tank 3 is connected with the water outlet pipe 2. The water inlet pipe 5 can be convenient for pour into the water body in the water treatment tank 3, and the drain pipe 2 can be convenient for discharge the water body in the water treatment tank 3.

In this embodiment, as shown in fig. 3, the interior top of water treatment tank 3 is fixed with the baffle 30 of a vertical setting, the top of baffle 30 and the inner wall of the equal attached water treatment tank 3 of side around and, and leave the clearance between the bottom of baffle 30 and the interior bottom of water treatment tank 3, baffle 30 divide into a big cavity and a little cavity with the inner chamber of water treatment tank 3, air duct 7 is located little cavity, dwang 6 and stirring leaf 28 are located big cavity, blast pipe 4 and big cavity intercommunication. The baffle 30 is arranged to prevent the operation of the stirring blades 28 from damaging the gas guide tube 7, and when the baffle is used, the waste gas guided by the gas guide tube 7 can be successfully discharged from the exhaust pipe 4 only after entering the large chamber from the gap at the bottom of the baffle 30, namely the waste gas can be discharged only after passing through the water body stirred by the stirring blades 28 in the large chamber, so that the waste gas can be fully treated.

In this embodiment, as shown in fig. 1 and 2, a first bearing 11 sleeved on the rotating shaft 13 is fixed on a side of the top of the main supporting plate 81 facing away from the motor 16.

In the embodiment, as shown in fig. 2, a storage cavity is formed inside the cabinet body 82, and a cabinet door 26 with a handle 27 is arranged on the front surface of the cabinet body 82. The arrangement of storing chamber can be used to deposit experimental apparatus etc. and the realization storing chamber that can be comparatively convenient opens and closes through the cabinet door 26 that has handle 27.

Example 2

The present embodiment is different from embodiment 1 in that:

in this embodiment, as shown in fig. 2, a second slide rail 20 vertically located above the cabinet 82 is disposed on a side of a vertical portion of the main support plate 81 facing the cabinet 82, a second slide block 19 is slidably connected to the second slide rail 20, a suction head 18 facing a table top of an experimental operation is fixed on the second slide block 19, and the suction head 18 is connected to a suction pipe 22 through a suction hose 21. The height of the suction head 18 can be adjusted by the sliding of the second slide block 19 along the second slide rail 20, so that the suction head can better meet the application requirements.

In this embodiment, as shown in fig. 2, a first slide rail 17 is fixed on the experiment operation table top, a first slide block 25 is connected to the first slide rail 17 in a sliding manner, a hinge rod 24 is connected between the first slide block 25 and the second slide block 19, two ends of the hinge rod 24 are respectively hinged to the first slide block 25 and the second slide block 19, and a locking screw (not shown in the figure) for tightly abutting against the first slide rail 17 is arranged on the first slide block 25. By pushing the first sliding block 25 to move on the first sliding rail 17, the hinge rod 24 can drive the second sliding block 19 to slide along the second sliding rail 20, and after the suction head 18 moves to a required height along with the second sliding block 19, the locking screw is tightened to lock the first sliding block 25. The height of the suction head 18 can be adjusted only by operating on the experiment operation table, and the application and operation are convenient.

Otherwise, the same procedure as in example 1 was repeated.

The laboratory ventilation hood capable of purifying organic waste gas has the specific application process that:

the height of the suction head 18 is adjusted according to the requirement, and the specific operation is as follows: after the locking screw is unscrewed, the first sliding block 25 is driven to move on the first sliding rail 17, the second sliding block 19 is pushed and pulled through the hinge rod 24 to move in a lifting mode along the second sliding rail 20, the second sliding block 19 drives the suction head 18 to move, after the suction head 18 moves to a required height, the locking screw is screwed to lock the first sliding block 25, then the motor 16 is started, the motor 16 drives the rotating shaft 13 to rotate, the fans in the suction box 12 and the air supply box 14 can be driven to rotate at the same time, the air supply box 14 sucks air through the air inlet pipe 15, and blows the air to the upper portion of the experimental operation table top through the air supply pipe 23; the fan in the air draft box 12 rotates to generate suction force on the air suction pipe 22, the suction force is transmitted to the air suction head 18 through the air suction pipe 22 and the air suction hose 21 in sequence, the air suction head 18 sucks waste gas generated in the experimental process and sends the waste gas into the air draft box 12, the air draft box 12 guides the waste gas into the water treatment box 3 through the air guide pipe 7, water which is filled into the water treatment box 3 in advance does not pass through the bottom end of the air guide pipe 7, organic matters in the waste gas can be filtered out of the water in the water treatment box 3, the rotation of the rotating shaft 13 drives the rotating rod 6 to rotate through the transmission of the transmission box 9 while the motor 16 drives the air draft box 12 and the air supply box 14, the rotating rod can drive the stirring blades 28 to rotate, the water in the water treatment box 3 is stirred, and the water in the water treatment box 3 cannot easily form dirt on the inner wall of; in addition, the stirring of the stirring blades 28 on the water body can break up bubbles generated after the waste gas is introduced into the water body, so that the waste gas in the bubbles is prevented from being discharged without being fully contacted with the water body, the waste gas can be fully treated by the water body, the treatment effect is good, and the waste gas finally removed with organic matters is discharged through the exhaust pipe 4.

According to the above, the utility model realizes the functions of ventilation, exhaust and waste gas purification, can alleviate the problem that the water body is easy to form dirt on the inner wall of the water treatment tank, and can ensure the water body to fully treat the waste gas, and the treatment effect is good; and each mechanism has strong linkage, can save the arrangement of driving elements and is beneficial to saving electric energy.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.

Claims

1. A laboratory ventilation cabinet capable of purifying organic waste gas comprises a main cabinet body (8) and a water treatment tank (3), wherein the main cabinet body (8) comprises an L-shaped main support plate (81), two side support plates (83) fixedly connected to two sides of the main support plate (81) respectively, and a cabinet body (82) arranged between the two side support plates (83) and fixed to the lower portion of the main support plate (81), the transverse portion of the main support plate (81) is horizontally positioned at the top of the vertical portion of the main support plate, and the top surface of the cabinet body (82) is an experiment operation table surface; the water treatment device is characterized in that the water treatment tank (3) is arranged on one side, back to a tank body (82), of a main support plate (81), a rotating rod (6) vertically penetrating the top of the water treatment tank is arranged in the water treatment tank (3), stirring blades (28) are uniformly fixed on the rotating rod (6) in the water treatment tank (3), a second bearing (29) sleeved on the rotating rod (6) is fixed at the position, through which the rotating rod (6) penetrates, of the top of the water treatment tank (3), and one side of the upper end of the water treatment tank (3) is connected with an exhaust pipe (4);

the top surface of the main support plate (81) is provided with an air extracting box (12) and an air supply box (14), one side of the air supply box (14) back to the air extracting box (12) is connected with an air inlet pipe (15), one side of the air supply box (14) facing the air extracting box (12) is connected with an air supply pipe (23) penetrating through the main support plate (81), one side of the air extracting box (12) facing the air supply box (14) is connected with an air suction pipe (22) penetrating through the main support plate (81), one side of the air extracting box (12) back to the air supply box (14) is connected with an air guide pipe (7) extending into the water treatment box (3), the air extracting box (12) and the air supply box (14) are arranged in an aligned mode, the horizontal axes of the air extracting box (12) and the air supply box (14) are jointly penetrated with a same rotating shaft (13), one end of the rotating shaft (13) back to the water treatment box (3) is connected with a, and a transmission case (9) is arranged between the other end of the rotating shaft (13) and the rotating rod (6), and the transmission case (9) is connected to the main supporting plate (81) through a fixing plate (10).

2. The laboratory fume hood for purifying organic waste gas according to claim 1, wherein the water treatment tank (3) is supported and erected on the ground by the supporting legs (1), the top of the water treatment tank (3) is connected with the water inlet pipe (5), and the bottom of the water treatment tank (3) is connected with the water outlet pipe (2).

3. The laboratory fume hood capable of purifying organic waste gas according to claim 1, wherein a vertically arranged partition plate (30) is fixed at the inner top of the water treatment tank (3), the top and the front and rear sides of the partition plate (30) are attached to the inner wall of the water treatment tank (3), a gap is reserved between the bottom of the partition plate (30) and the inner bottom of the water treatment tank (3), the inner cavity of the water treatment tank (3) is divided into a large chamber and a small chamber by the partition plate (30), the air duct (7) is located in the small chamber, the rotating rod (6) and the stirring blade (28) are located in the large chamber, and the exhaust pipe (4) is communicated with the large chamber.

4. Laboratory fume hood according to claim 1, characterized in that the top of the main supporting plate (81) facing away from the motor (16) is fixed with a first bearing (11) fitted on the rotating shaft (13).

5. The laboratory fume hood for purifying organic waste gas according to claim 1, wherein a second slide rail (20) vertically positioned above the cabinet body (82) is provided on a side of a vertical portion of the main supporting plate (81) facing the cabinet body (82), a second slide block (19) is slidably connected to the second slide rail (20), a suction head (18) facing a laboratory operation table is fixed on the second slide block (19), and the suction head (18) is connected with the suction pipe (22) through a suction hose (21).

6. The laboratory fume hood capable of purifying organic waste gas according to claim 5, wherein a first slide rail (17) is fixed on the laboratory operation table top, a first slide block (25) is connected to the first slide rail (17) in a sliding manner, a hinge rod (24) is connected between the first slide block (25) and the second slide block (19), two ends of the hinge rod (24) are respectively hinged to the first slide block (25) and the second slide block (19), and a locking screw for tightly abutting against the first slide rail (17) is arranged on the first slide block (25).

7. The laboratory fume hood for purifying organic waste gas according to claim 1, wherein a storage chamber is formed inside the cabinet body (82), and a door (26) with a handle (27) is provided on the front surface of the cabinet body (82).