CN217068267U

CN217068267U - Air-purifying ductless ventilation cabinet for laboratory

Info

Publication number: CN217068267U
Application number: CN202220735647.9U
Authority: CN
Inventors: 王昌辉
Original assignee: Taicang Huafeng Environmental Protection Science & Technology Co ltd
Current assignee: Taicang Huafeng Environmental Protection Science & Technology Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-07-29
Anticipated expiration: 2032-03-31

Abstract

The utility model discloses a laboratory is with air-purifying ductless fume chamber, including the cabinet body and air-purifying device, the cabinet body includes the support frame and sets up the experiment box at the support frame top, one side of experiment box is equipped with protective glass, the last facial wind velocity transducer that is equipped with of protective glass, air-purifying device includes junction frame, first filter, crosses filter stand and second filter, the side surface of junction frame is equipped with starting switch, function panel and alarm respectively, it sets up the one side at the junction frame to cross the filter stand, first filter sets up the bottom at the filter stand, the second filter sets up the top at the filter stand, the inside of crossing the filter stand still is equipped with fan and gas sensor. This laboratory is with clean gas ductless fume chamber simple structure, the modern design, convenient to use can save the engineering volume of installation pipeline, makes the fume chamber can adjust and remove at will again, can protect laboratory environment and staff's health effectively simultaneously.

Description

Air-purifying ductless ventilation cabinet for laboratory

Technical Field

The utility model belongs to the technical field of the fume chamber, concretely relates to laboratory is with no pipe fume chamber of air-purifying.

Background

The fume hood is a kind of ventilating equipment widely used at home and abroad at present. The fume hood has complete functions and tight protection, not only provides comprehensive protection for operators, but also resists the corrosion of various chemical acids and bases and organic reagents, does not stain internal experimental samples, ensures the smooth emission of toxic, harmful and odorous gases, and ensures that the experimental environment achieves the safety effect specified by national regulations. Traditional fume chamber adopts forced draft and cooperation pipeline will poison the gas discharge outdoor, but the installation work volume of pipeline is great, and can cause the restriction to the position of fume chamber, in addition, has the poisonous and harmful gas and directly discharges and still can the polluted environment untreated. Therefore, there is an urgent need to design a clean air ductless ventilation cabinet for laboratory to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a laboratory is with no pipe fume chamber of air-purifying to solve the problem that exists among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a laboratory is with air-purifying ductless fume chamber, includes the cabinet body and sets up the air-purifying device at cabinet body top, the cabinet body includes the support frame and sets up the experiment box at the support frame top, one side of experiment box is equipped with cover glass, the last facial wind speed sensor that is equipped with of cover glass, air-purifying device includes junction frame, first filter, crosses filter stand and second filter, it sets up the one side at the junction frame to cross the filter stand, first filter sets up the bottom at the filter stand, the second filter sets up the top at the filter stand, the inside of crossing the filter stand still is equipped with fan and gas sensor.

Furthermore, one side of support frame is equipped with a plurality of socket, the bottom four corners department of support frame is equipped with the universal wheel, the interior bottom surface of support frame is equipped with the waste water bucket.

Furthermore, protective glass is equipped with three, three altogether protective glass all inclines to set up and is located the coplanar, and two adjacent protective glass are articulated through a plurality of hinge, face wind speed sensor sets up on the protective glass of the top, is equipped with the operation mouth on the protective glass of bottom, the both sides of operation mouth all are equipped with the bayonet socket.

Furthermore, the side surface of the wiring rack is provided with a starting switch, a function panel and an alarm, the top of the wiring rack is connected with a clamping hook in a sliding mode, and the clamping hook is matched with the bayonet.

Furthermore, an explosion-proof lamp is fixed on the inner top surface of the experiment box body, a water outlet pipe is arranged on the inner bottom surface of the experiment box body, a water tank is arranged on one side of the water outlet pipe, and the bottom of the water tank is connected with a waste water barrel through a connecting water pipe.

Still further, the top of experiment box is equipped with the gas outlet with first filter assorted, the second filter is the same with the size of first filter, and is the active carbon filter.

Still further, it is the cuboid structure of no top cap to cross the filter frame, the bottom of crossing the filter frame is equipped with the air vent with the air intake assorted of fan.

The utility model discloses a technological effect and advantage: this clean gas ductless fume chamber is used in laboratory simple structure, novel in design, high durability and convenient use, through setting up first filter, filter rack, fan and second filter, carry out direct emission in the laboratory after twice filtering to the poisonous and harmful gas that produces in the experimental box, need not the installation pipeline and discharge to the open air, can save the engineering volume of installation pipeline, make the fume chamber adjust and remove at will again, can real-time supervision through the air composition of first filter through setting up gas sensor, when first filter adsorption saturation, gas sensor can in time detect poisonous and harmful gas and spill over, conveniently in time change the filter, ensure that the gas that filters back through twice does not contain poisonous and harmful ingredient, can protect laboratory environment and staff's health effectively.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a right side view of the present invention;

fig. 3 is a top view of the present invention;

FIG. 4 is a cross-sectional view of the experimental box of the present invention;

fig. 5 is a cross-sectional view of the filter frame of the present invention.

In the figure: 1. a cabinet body; 11. a support frame; 111. a socket; 112. a universal wheel; 113. a waste water tank; 12. an experiment box body; 120. protective glass; 121. a hinge; 122. an operation port; 123. a surface wind speed sensor; 124. a bayonet; 125. a hook is clamped; 126. an explosion-proof lamp; 127. a water outlet pipe; 128. a water tank; 129. connecting a water pipe; 2. a gas purification device; 21. a wire frame; 22. starting a switch; 23. a functional panel; 24. a first filter; 25. a filter frame; 26. a fan; 27. a gas sensor; 28. a second filter; 29. an alarm.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model provides a no pipe fume chamber of air purification for laboratory as shown in fig. 1-5, including the cabinet body 1 and the air purification device 2 of setting at cabinet body 1 top, the cabinet body 1 includes support frame 11 and the experiment box 12 of setting at support frame 11 top, experiment box 12 is right angle step structure, the oblique side of experiment box 12 is equipped with protective glass 120, be equipped with a wind speed sensor 123 on the protective glass 120, air purification device 2 includes wiring frame 21, first filter 24, filter frame 25 and second filter 28, filter frame 25 sets up the one side at wiring frame 21, first filter 24 sets up the bottom at filter frame 25, second filter 28 sets up the top at filter frame 25, filter frame 25's inside still is equipped with fan 26 and gas sensor 27.

In addition, one side of support frame 11 is equipped with a plurality of socket 111, for the consumer in the experiment provides electric power and supports, and the bottom four corners department of support frame 11 is equipped with universal wheel 112, conveniently removes cabinet body 1, and the interior bottom surface of support frame 11 is equipped with waste water bucket 113, the waste water that produces in the convenient storage experiment, convenient unified processing.

Specifically, protective glass 120 is equipped with three altogether, three protective glass 120 all set up and lie in the coplanar along the oblique side of experiment box 12, two adjacent protective glass 120 are articulated through a plurality of hinge 121, protective glass 120 that lies in the top is fixed on the top of the oblique side of experiment box 12, face wind speed sensor 123 sets up on protective glass 120 of the top, protective glass 120 that lies in the bottom extends to the bottom of the oblique side of experiment box 12, be equipped with operation mouth 122 on the protective glass 120 of the bottom, the both sides of operation mouth 122 all are equipped with bayonet 124, when the interior bottom surface of experiment box 12 needs to be cleared up, only need with protective glass 120 of bottom upwards overturn make its laminating on protective glass 120 of middle-end can.

It is worth mentioning that, the side surface of wire holder 21 is equipped with starting switch 22, function panel 23 and alarm 29, and the top sliding connection of wire holder 21 has trip 125, trip 125 and bayonet 124 phase-match, when needs carry out complete clearance to experiment box 12, upwards stimulates the protective glass 120 of lower extreme and in advancing bayonet 124 with trip 125, the opening of experiment box 12 was the biggest this moment, convenient clean clearance.

Specifically, the interior top surface of experiment box 12 is fixed with explosion-proof lamp 126, conveniently provide the illumination for the experiment, can prevent the electric arc that lamp inside probably produced simultaneously, spark and high temperature ignite combustible gas and dust in the surrounding environment, and then improve the security, the interior bottom surface of experiment box 12 is equipped with outlet pipe 127, outside water source is inserted to the one end of outlet pipe 127, the one end of outlet pipe 127 is equipped with the water valve, one side of outlet pipe 127 is equipped with basin 128, the delivery port and the basin 128 of outlet pipe 127 correspond each other, the bottom of basin 128 is connected with waste water barrel 113 through connecting water pipe 129, the convenience is collected the back unified processing to the waste water that produces in the experiment.

It should be noted that, the top of experiment box 12 is equipped with the gas outlet with first filter 24 assorted, and second filter 28 is the same with first filter 24's size, and is the activated carbon filter, can ensure that the gas of following experiment box 12 exhaust all passes through first filter 24 and second filter 28, and the activated carbon filter adsorption effect is good, has improved the purification performance to poisonous and harmful gas.

Specifically, the filter frame 25 is a cuboid structure without a top cover, and the bottom of the filter frame 25 is provided with a vent matched with an air inlet of the fan 26, so that air is conveniently sucked into the filter frame 25 through the fan 26, and toxic and harmful gas in the experiment box 12 sequentially enters the first filter 24 and the second filter 28.

The working principle is as follows: when the air-purifying ductless fume hood for the laboratory is used, firstly, the starting switch 22 is turned on, at the moment, the power is switched on, the fan 26 is started, the air in the experimental box body 12 flows upwards under the action of the fan 26, when the air in the experimental box body 12 enters the filter rack 25 through the first filter 24, the air sensor 27 detects the air filtered by the first filter 24, when the air does not contain toxic and harmful components, the air is discharged to the laboratory through the second filter 28, when the air contains the toxic and harmful components, the alarm 29 gives an alarm, simultaneously the toxic and harmful components and the concentration are displayed on the functional panel 23, then the experiment is immediately stopped and the filters are replaced, namely the second filter 28 replaces the first filter 24 and replaces the new second filter 28, the second filter 28 is ensured to be fully utilized while the filtering effect is ensured, when the surface air speed sensor 123 detects that the air speed sucked into the experimental box body 12 does not reach a set value, the alarm 29 gives an alarm to remind the staff to stop the experiment immediately and evacuate in time.

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 a laboratory is with no pipe fume chamber of air-purifying which characterized in that: including the cabinet body (1) and net gas device (2) of setting at cabinet body (1) top, the cabinet body (1) is including support frame (11) and experiment box (12) of setting at support frame (11) top, one side of experiment box (12) is equipped with cover glass (120), be equipped with face wind speed sensor (123) on cover glass (120), net gas device (2) are including wiring frame (21), first filter (24), filter frame (25) and second filter (28), filter frame (25) set up the one side at wiring frame (21), first filter (24) set up the bottom at filter frame (25), second filter (28) set up the top at filter frame (25), the inside of filter frame (25) still is equipped with fan (26) and gas sensor (27).

2. The laboratory air-purifying ductless fumehood of claim 1 wherein: one side of support frame (11) is equipped with a plurality of socket (111), the bottom four corners department of support frame (11) is equipped with universal wheel (112), the interior bottom surface of support frame (11) is equipped with waste water bucket (113).

3. The laboratory air-purifying ductless fumehood of claim 1 wherein: protective glass (120) are equipped with three, three altogether protective glass (120) all incline to set up and lie in the coplanar, and two adjacent protective glass (120) are articulated through a plurality of hinge (121), face wind velocity transducer (123) set up on protective glass (120) of top, are equipped with operation mouth (122) on protective glass (120) of bottom, the both sides of operation mouth (122) all are equipped with bayonet socket (124).

4. The laboratory air-purifying ductless fumehood of claim 3 wherein: the side surface of wiring frame (21) is equipped with starting switch (22), function panel (23) and alarm (29), the top sliding connection of wiring frame (21) has trip (125), trip (125) and bayonet socket (124) phase-match.

5. The laboratory air-purifying ductless fumehood of claim 2 wherein: an explosion-proof lamp (126) is fixed on the inner top surface of the experiment box body (12), a water outlet pipe (127) is arranged on the inner bottom surface of the experiment box body (12), a water tank (128) is arranged on one side of the water outlet pipe (127), and the bottom of the water tank (128) is connected with a waste water barrel (113) through a connecting water pipe (129).

6. The laboratory air-purifying ductless fumehood of claim 1 wherein: the top of the experiment box body (12) is provided with an air outlet matched with the first filter (24), and the second filter (28) and the first filter (24) are the same in size and are all activated carbon filters.

7. The laboratory air-purifying ductless fumehood of claim 1 wherein: the filter frame (25) is of a cuboid structure without a top cover, and the bottom of the filter frame (25) is provided with a vent matched with an air inlet of the fan (26).