CN210208038U

CN210208038U - Energy-concerving and environment-protective laboratory numerical control fume chamber

Info

Publication number: CN210208038U
Application number: CN201921012767.0U
Authority: CN
Inventors: Zhiqiang Duan; 段志强
Original assignee: Tianjin Hualujiao Purification Technology Co ltd
Current assignee: Tianjin Hualujiao Purification Technology Co ltd
Priority date: 2019-07-01
Filing date: 2019-07-01
Publication date: 2020-03-31
Anticipated expiration: 2029-07-01

Abstract

The utility model discloses an energy-concerving and environment-protective laboratory numerical control fume chamber, including the cabinet body, cabinet door, the first in command, control panel, cabinet body forward-mounted has the cabinet door, cabinet door front portion is fixed with the first in command, the first in command top is provided with control panel, cabinet body internally mounted has the drawer, the drawer front portion is fixed with the second in command, the drawer top is fixed with the baffle, the second connecting pipe is installed to the baffle top, second connecting pipe top is fixed with the shower nozzle, the shower nozzle top is provided with first ventilating board, first ventilating board top is provided with the second ventilating board. The utility model discloses a set up motor and flabellum for the device has the function of breathing in and blowing simultaneously, has practiced thrift the electric energy to a certain extent, and through setting up knob, threaded rod and clamp plate, also make the change of filter screen very convenient when having guaranteed filter equipment's leakproofness.

Description

Energy-concerving and environment-protective laboratory numerical control fume chamber

Technical Field

The utility model belongs to the technical field of the fume chamber technique and specifically relates to an energy-concerving and environment-protective laboratory numerical control fume chamber.

Background

Laboratory ventilation systems are an integral part of laboratory design. In order for laboratory workers not to inhale or swallow some toxic, pathogenic or non-toxic chemicals and organisms, good ventilation should be provided in the laboratory. To prevent the absorption of some vapors, gases and particulates (smoke, soot, dust and aerosols), the pollutants must be removed by fume hoods, ventilation hoods or local ventilation.

Present laboratory fume chamber all uses a blower to blow basically, and an aspirator convulsions, two machines simultaneous working can waste more electric energy to the change of filter screen is also inconvenient in the device, consequently needs to make further improvement on this basis.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an energy-concerving and environment-protective laboratory numerical control fume chamber to solve present laboratory fume chamber that proposes in the above-mentioned background and all blow with an air-blower basically, an aspirator convulsions, and more electric energy can be wasted to two machine simultaneous workings, and the change of filter screen is also inconvenient problem in the device.

In order to achieve the above object, the utility model provides a following technical scheme:

an energy-saving and environment-friendly laboratory numerical control ventilation cabinet comprises a cabinet body, a cabinet door, a first handle and a control panel, wherein the cabinet door is installed at the front part of the cabinet body, the first handle is fixed at the front part of the cabinet door, the control panel is arranged above the first handle, a drawer is installed inside the cabinet body, a second handle is fixed at the front part of the drawer, a baffle is fixed above the drawer, a second connecting pipe is installed above the baffle, a spray head is fixed above the second connecting pipe, a first ventilation board is arranged above the spray head, a second ventilation board is arranged above the first ventilation board, a wind collecting cover is fixed above the second ventilation board, a filtering device is installed above the cabinet body and comprises a filtering box, a metal filtering net, a HEPA filtering net, an active carbon adsorption layer and a cabinet door, the metal filtering net is installed inside the filtering box, install metal filters net top the HEPA filter screen, install HEPA filter screen top the active carbon adsorption layer, active carbon adsorption layer side-mounting has the chamber door, the filter equipment side-mounting has the clamp plate, the clamp plate is kept away from one side of filter equipment is fixed with the threaded rod, the fixed plate is installed in the threaded rod outside, the threaded rod is kept away from the one end of clamp plate is fixed with the knob, first connecting pipe is installed to the filter equipment top, first connecting pipe is kept away from filter equipment's one end is fixed with the protective housing, protective housing internally mounted has the motor, the dead lever is installed to the motor both sides, the flabellum is installed to the motor below, the removal wheel is installed to cabinet body below, the motor with the control panel electricity is connected.

Further, the first ventilating board with the cabinet body welding, the second ventilating board with the cabinet body welding, first ventilating board with second ventilating board structural material is the same completely.

Further, the wind-collecting cover with the cabinet body welding, the thickness of wind-collecting cover is 2 cm.

Further, the rose box with the cabinet body welding, metal filters with the rose box passes through the draw-in groove to be connected, the HEPA filter screen with the rose box passes through the draw-in groove to be connected, the active carbon adsorption layer with the rose box passes through the draw-in groove to be connected.

Further, the fixed plate with the cabinet body welding, the threaded rod with the fixed plate passes through threaded connection, the clamp plate with the threaded rod welding, the material of clamp plate is carbide.

Further, the protective housing with the cabinet body welding, the dead lever with the protective housing welding, the shape of dead lever is the cylinder, and the diameter is 3 cm.

Further, the cabinet door with the cabinet body passes through hinged joint, the first in command with the cabinet door welding, the material of first in command is martensite stainless steel.

The utility model provides a technical scheme can include following beneficial effect:

1. before the device is used, an external power supply is connected to the device, a cabinet door is opened through a first handle, experimental articles are placed above a first ventilating plate, a motor is started through a control panel, the motor is electrified to drive fan blades to rotate, the fan blades rotate to convey gas in a first connecting pipe into a second connecting pipe, the gas is sprayed out of a spray head and rises through the first ventilating plate, negative pressure is generated in the first connecting pipe at the moment, the rising gas enters a wind collecting cover through the second ventilating plate under the action of the negative pressure and then enters a filtering device, a metal filter screen, a HEPA filter screen and an active carbon adsorption layer treat the gas, the treated gas enters the first connecting pipe again, and the device has the functions of air suction and air blowing by arranging the motor and the fan blades, so that electric energy is saved to a certain extent;

2. when the filter screen needs to be replaced, the knob is rotated reversely, the knob drives the threaded rod to rotate so that the threaded rod moves leftwards, the threaded rod drives the pressing plate to move leftwards, the box door can be opened after the pressing plate moves to a certain distance, the filter screen can be replaced at the moment, and the knob, the threaded rod and the pressing plate are arranged, so that the filter screen is very convenient to replace while the sealing performance of the filter device is guaranteed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural view of an energy-saving and environment-friendly laboratory numerical control fume hood of the present invention;

FIG. 2 is a front view of the energy-saving environmental-friendly laboratory numerically controlled ventilation cabinet of the present invention;

FIG. 3 is a schematic view of the internal structure of the energy-saving and environment-friendly laboratory numerical control fume hood of the present invention;

FIG. 4 is an enlarged view of the filtering device in the energy-saving and environment-friendly laboratory digital control fume hood of the present invention;

fig. 5 is a circuit structure flow diagram in the numerical control fume chamber of the energy-saving and environment-friendly laboratory.

In the figure: 1. a cabinet body; 2. a cabinet door; 3. a first handle; 4. a control panel; 5. a drawer; 6. a second handle; 7. a moving wheel; 8. a filtration device; 801. a filter box; 802. a metal filter screen; 803. a HEPA filter screen; 804. an activated carbon adsorption layer; 805. a box door; 9. pressing a plate; 10. a threaded rod; 11. a fixing plate; 12. a knob; 13. a first connecting pipe; 14. a protective shell; 15. a second connecting pipe; 16. a baffle plate; 17. a spray head; 18. a first vent panel; 19. a second vent plate; 20. a wind collecting cover; 21. a motor; 22. fixing the rod; 23. a fan blade.

Detailed Description

Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.

Referring to fig. 1 to 5, the present embodiment provides an energy-saving and environment-friendly laboratory numerical control ventilation cabinet, including a cabinet body 1, a cabinet door 2, a first handle 3, and a control panel 4, wherein the cabinet body 1 has a cabinet door 2 mounted on the front portion thereof, the cabinet door 2 has a first handle 3 fixed on the front portion thereof, the first handle 3 is used for opening the cabinet door 2, the control panel 4 is disposed above the first handle 3, the control panel 4 is used for controlling the operation of the apparatus, a drawer 5 is mounted inside the cabinet body 1, the drawer 5 is used for storing articles, the drawer 5 has a second handle 6 fixed on the front portion thereof, the second handle 6 is used for opening the drawer 5, a baffle 16 is fixed above the drawer 5, a second connecting pipe 15 is mounted above the baffle 16, a spray head 17 is fixed above the second connecting pipe 15, the spray head 17 is used for spraying gas, a first ventilation board 18 is disposed above, an air collecting cover 20 is fixed above the second vent plate 19, a filtering device 8 is installed above the cabinet body 1, the filtering device 8 comprises a filtering box 801, a metal filtering net 802, a HEPA filtering net 803, an active carbon adsorption layer 804 and a box door 805, the metal filtering net 802 is installed inside the filtering box 801, the metal filtering net 802 is used for filtering large impurities in gas, the HEPA filtering net 803 is installed above the metal filtering net 802, the HEPA filtering net 803 is used for filtering small impurities in gas, the active carbon adsorption layer 804 is installed above the HEPA filtering net 803, the active carbon adsorption layer 804 is used for adsorbing harmful components in gas, the box door 805 is installed on the side surface of the active carbon adsorption layer 804, a pressing plate 9 is installed on the side surface of the filtering device 8, the pressing plate 9 is used for pressing the box door 805, a threaded rod 10 is fixed on one side of the pressing plate 9 far away from the filtering device 8, fixed plate 11 is used for fixed threaded rod 10, the one end that clamp plate 9 was kept away from to threaded rod 10 is fixed with knob 12, knob 12 is used for driving threaded rod 10 and rotates, first connecting pipe 13 is installed to filter equipment 8 top, the one end that filter equipment 8 was kept away from to first connecting pipe 13 is fixed with

protective housing

14, 14 internally mounted of protective housing has motor 21, motor 21 is used for driving flabellum 23 and rotates, dead lever 22 is installed to motor 21 both sides, dead lever 22 is used for fixed motor 21, flabellum 23 is installed to motor 21 below, flabellum 23 is used for circulation of air with higher speed, 1 below of the cabinet body is installed and is removed wheel 7, remove the removal that wheel 7 was used for the device.

The first ventilating board 18 is welded with the cabinet body 1, the second ventilating board 19 is welded with the cabinet body 1, the first ventilating board 18 and the second ventilating board 19 are completely the same in structural material, the wind collecting cover 20 is welded with the cabinet body 1, the thickness of the wind collecting cover 20 is 2cm, the filter box 801 is welded with the cabinet body 1, the metal filter screen 802 is connected with the filter box 801 through a clamping groove, the HEPA filter screen 803 is connected with the filter box 801 through a clamping groove, the active carbon adsorption layer 804 is connected with the filter box 801 through a clamping groove, the fixing plate 11 is welded with the cabinet body 1, the threaded rod 10 is connected with the fixing plate 11 through threads, the pressing plate 9 is welded with the threaded rod 10, the pressing plate 9 is made of hard alloy, the protective shell 14 is welded with the cabinet body 1, the fixing rod 22 is welded with the protective shell 14, the fixing rod 22 is cylindrical and 3cm in diameter, the cabinet door 2 is connected with the cabinet body 1 through a.

The utility model discloses a theory of operation and use flow: before the device is used, an external power supply is connected to the device, the cabinet door 2 is opened through the first handle 3, an experimental article is placed above the first ventilating plate 18, the motor 21 is started through the control panel 4, the motor 21 is electrified to drive the fan blade 23 to rotate, the fan blade 23 rotates to convey gas in the first connecting pipe 13 to the second connecting pipe 15, the gas is sprayed out of the spray head 17, the gas rises through the first ventilating plate 18, negative pressure is generated in the first connecting pipe 13 at the moment, the rising gas enters the air collecting cover 20 through the second ventilating plate 19 under the action of the negative pressure and then enters the filtering device 8, the metal filtering net 802, the HEPA filtering net 803 and the active carbon adsorption layer 804 treat the gas, the treated gas enters the first connecting pipe 13 again, the motor 21 and the fan blade 23 are arranged, so that the device has the functions of air suction and air blowing simultaneously, and electric energy is saved to a certain extent, when the filter screen needs to be replaced, the knob 12 is rotated reversely, the knob 12 drives the threaded rod 10 to rotate, so that the threaded rod 10 moves leftwards, the threaded rod 10 drives the pressing plate 9 to move leftwards, the box door 805 can be opened after the pressing plate 9 moves to a certain distance, the filter screen can be replaced at the moment, and the knob 12, the threaded rod 10 and the pressing plate 9 are arranged, so that the filter screen is very convenient to replace while the sealing performance of the filter device 8 is guaranteed.

The utility model discloses a cabinet body 1, cabinet door 2, the first in command 3, control panel 4, drawer 5, the second in command 6, remove wheel 7, filter equipment 8, rose box 801, metal filters 802, HEPA filter screen 803, activated carbon adsorption layer 804, chamber door 805, clamp plate 9, threaded rod 10, fixed plate 11, knob 12, first connecting pipe 13, protective housing 14, second connecting pipe 15, baffle 16, shower nozzle 17, first ventilating board 18, second ventilating board 19, air-collecting cover 20, motor 21, dead lever 22, flabellum 23 are the parts that general standard spare or technical personnel in the field know, its structure and principle all can learn through the technical manual or learn through conventional experimental method for this technical personnel.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an energy-concerving and environment-protective laboratory numerical control fume chamber which characterized in that: the cabinet comprises a cabinet body (1), a cabinet door (2), a first handle (3) and a control panel (4), wherein the cabinet door (2) is installed at the front part of the cabinet body (1), the first handle (3) is fixed at the front part of the cabinet door (2), the control panel (4) is arranged above the first handle (3), a drawer (5) is installed inside the cabinet body (1), a second handle (6) is fixed at the front part of the drawer (5), a baffle (16) is fixed above the drawer (5), a second connecting pipe (15) is installed above the baffle (16), a spray head (17) is fixed above the second connecting pipe (15), a first ventilating plate (18) is arranged above the spray head (17), a second ventilating plate (19) is arranged above the first ventilating plate (18), and a wind collecting cover (20) is fixed above the second ventilating plate (19), filter equipment (8) is installed to the cabinet body (1) top, filter equipment (8) includes rose box (801), metal filters (802), HEPA filter screen (803), active carbon adsorption layer (804), chamber door (805), rose box (801) internally mounted have metal filters (802), HEPA filter screen (803) is installed to metal filters (802) top, install HEPA filter screen (803) top active carbon adsorption layer (804), active carbon adsorption layer (804) side-mounting has chamber door (805), filter equipment (8) side-mounting has clamp plate (9), one side that filter equipment (8) were kept away from to clamp plate (9) is fixed with threaded rod (10), fixed plate (11) are installed in threaded rod (10) outside, threaded rod (10) are kept away from the one end of clamp plate (9) is fixed with knob (12), first connecting pipe (13) is installed to filter equipment (8) top, keep away from first connecting pipe (13) the one end of filter equipment (8) is fixed with protective housing (14), protective housing (14) internally mounted has motor (21), dead lever (22) are installed to motor (21) both sides, flabellum (23) are installed to motor (21) below, the cabinet body (1) below is installed and is removed wheel (7), motor (21) with control panel (4) electricity is connected.

2. The energy-saving environment-friendly laboratory numerical control fume hood according to claim 1, characterized in that: the cabinet is characterized in that the first ventilating plate (18) is welded with the cabinet body (1), the second ventilating plate (19) is welded with the cabinet body (1), and the first ventilating plate (18) and the second ventilating plate (19) are completely the same in structure material.

3. The energy-saving environment-friendly laboratory numerical control fume hood according to claim 1, characterized in that: the air collecting cover (20) is welded with the cabinet body (1), and the thickness of the air collecting cover (20) is 2 cm.

4. The energy-saving environment-friendly laboratory numerical control fume hood according to claim 1, characterized in that: the utility model discloses a cabinet, including the rose box (801), the cabinet body (1) welds, metal filters (802) with rose box (801) pass through the draw-in groove and connect, HEPA filter screen (803) with rose box (801) pass through the draw-in groove and connect, active carbon adsorption layer (804) with rose box (801) pass through the draw-in groove and connect.

5. The energy-saving environment-friendly laboratory numerical control fume hood according to claim 1, characterized in that: the fixing plate (11) is welded with the cabinet body (1), the threaded rod (10) is connected with the fixing plate (11) through threads, the pressing plate (9) is welded with the threaded rod (10), and the pressing plate (9) is made of hard alloy.

6. The energy-saving environment-friendly laboratory numerical control fume hood according to claim 1, characterized in that: the protective housing (14) is welded with the cabinet body (1), the fixing rod (22) is welded with the protective housing (14), the fixing rod (22) is cylindrical in shape, and the diameter of the fixing rod is 3 cm.

7. The energy-saving environment-friendly laboratory numerical control fume hood according to claim 1, characterized in that: the cabinet door (2) is connected with the cabinet body (1) through a hinge, the first handle (3) is welded with the cabinet door (2), and the first handle (3) is made of martensitic stainless steel.