CN217540969U - Laboratory silence exhaust pipe - Google Patents

Abstract

The utility model belongs to the technical field of the exhaust pipe, concretely relates to laboratory silence exhaust pipe, include from down and the bottom air inlet module, soft ventilation pipe and the convulsions module of pipeline intercommunication in proper order, bottom air inlet module is including the air-supply line that communicates in proper order and isolation module, has seted up a plurality of fresh air inlets on the air-supply line, and one side bottom of isolating the module is provided with the input port, and the opposite side top is provided with the delivery outlet, the afterbody of input port intercommunication air-supply line, the front end of delivery outlet are provided with the filter screen, are provided with snakelike pipeline in the isolation module, the convulsions module includes amortization cover and air exhauster, and the air exhauster is installed in the amortization cover, and the air exhauster is provided with the foam-rubber cushion with the junction of amortization cover, and the output intercommunication of convulsions module has main exhaust pipe. The utility model provides an exhaust pipe structure can effectively take away the bottom harmful gas in near laboratory ground space, avoids near laboratory ground's foreign matter to invade the pipeline simultaneously, and the noise is less when just moving, uses and experiences betterly.

Description

Laboratory silence exhaust pipe

Technical Field

The utility model relates to an exhaust pipe technical field particularly, relates to laboratory silence exhaust pipe.

Background

The laboratory is the place of carrying out the experiment, and the laboratory is scientific cradle, is the base of scientific research, and the source spring of science and technology development plays very important effect to science and technology development.

Various harmful gases are generated in the laboratory, and the physical health of laboratory personnel is endangered if the gases are not treated in time. For example, various medicines in a laboratory are very easy to enrich various harmful gases indoors; various harmful gases are generated during the experiment. The range of visible harmful gases is wide, and the gas can also comprise droplets containing virus particles, allergenic particles such as pollen, other microbial particles such as bacteria, volatile Organic Compounds (VOCs) and inorganic substances (such as acid gases such as hydrochloric acid).

The mode that harmful gas was got rid of in current laboratory sets up the exhaust pipe way, sets up independent exhaust cabinet etc. at the headspace in laboratory, though can get rid of some harmful gas, the treatment effect is not good, leaves over harmful gas in the laboratory in addition easily. The method is mainly characterized in that a large amount of harmful inorganic or organic gases generated in the experimental process are heavier than air, such as inorganic gases of hydrated nitric acid, hydrated hydrogen fluoride and the like, and organic vapors of dichloromethane, ether and the like, and the harmful gases are easy to sink and stay, and once stay on the ground, the harmful gases are difficult to eliminate by the existing exhaust fans, ceiling suction blowers of laboratories, window ventilation and the like, so that peculiar smell exists in the laboratories for a long time, and the harmful gases can corrode instruments and damage health.

The most effective way for solving the indoor air pollution and improving the indoor air quality is ventilation, and according to statistics, 60 percent of harmful gas in the indoor air can be removed after every 1 ventilation.

Therefore, an air exhaust device named as a downdraft type air exhaust column with the patent number of CN202111399164.2 is available in the market at present, and comprises a vertical column which is vertically arranged, wherein the vertical column is of an internal hollow structure, and an air inlet is formed in the side surface of the lower part of the vertical column; or the bottom of the upright post is communicated with a bottom air inlet pipe, and an air inlet hole array is arranged on the pipe wall of the bottom air inlet pipe; the bottom of the upright post is provided with an air quality detector; a filter screen is arranged inside the upright post; an air outlet pipe is communicated with the top of the upright post and communicated with the main exhaust pipeline.

Although the device can effectively exhaust and ventilate the area near the ground of a laboratory, foreign matters such as accumulated water and dust are easy to suck in, an exhaust pipeline is blocked or even an exhaust fan is damaged when the foreign matters are serious, the noise generated during the operation of the device is large, the working state of a laboratory worker is easily influenced, and a large improvement space still exists.

SUMMERY OF THE UTILITY MODEL

The laboratory silence exhaust pipe is provided for solving the problems that general laboratory exhaust equipment on the market cannot timely exhaust harmful gas on the bottom layer near the ground in a laboratory, and conventional lower air-draft laboratory exhaust equipment is easy to suck dust and accumulated water near the ground and has high operation noise.

Laboratory silence exhaust pipe, including from down and the bottom air inlet module, soft ventilation pipe and the convulsions module of last pipeline intercommunication in proper order, bottom air inlet module is including the air-supply line that communicates in proper order and isolation module, has seted up a plurality of fresh air inlets on the air-supply line, and one side bottom of isolating the module is provided with the input port, and the opposite side top is provided with the delivery outlet, the afterbody of input port intercommunication air-supply line, and the front end of delivery outlet is provided with the filter screen, is provided with snakelike pipeline in the isolation module, the convulsions module includes amortization cover and air exhauster, and the air exhauster is installed in the amortization cover, and the air exhauster is provided with the foam-rubber cushion with the junction of amortization cover, and the output intercommunication of convulsions module has main blast pipe.

Further, snakelike pipeline includes the crisscross last division board and the division board down that sets up of polylith, it is fixed in the inboard top of isolation module to go up the division board, the division board is fixed in the inboard bottom of isolation module down.

Furthermore, the bottom of the snake-shaped pipeline is communicated with a collecting tank, and the collecting tank is sleeved at the bottom of the isolation module in a sliding mode.

Furthermore, a sliding slot is arranged at the front end of the output port, an insertion hole is formed in one side of the sliding slot, and the filter screen is sleeved in the sliding slot in a sliding mode.

Furthermore, the inner surface of the silencing cover is covered with a soundproof cotton layer, and the upper end and the lower end of the exhaust fan are connected with the inner side of the silencing cover.

Furthermore, a supporting plate is arranged at the bottom of the inner side of the silencing cover, a supporting spring is connected to the bottom of the supporting plate, the exhaust fan is installed at the top of the supporting plate, and the exhaust fan is connected with the inner side of the top of the silencing cover through a sponge cushion.

Furthermore, soft ventilation pipe includes corrosion-resistant inlayer and reinforcing skin, the outer outside of reinforcing still is provided with coil spring fossil fragments.

Further, be provided with air quality detector on the air-supply line, air quality detector electric connection air exhauster.

Furthermore, the input end of the air draft module is communicated with an overhead air inlet pipe, and the front end pipeline of the overhead air inlet pipe is communicated with an overhead air draft head.

Furthermore, the bottom of the bottom air inlet module is provided with a universal pulley.

The utility model has the advantages that:

1. the isolation module is designed behind the air inlet pipe, so that the damage caused by the fact that foreign matters such as dust, accumulated water and the like enter the exhaust pipeline can be avoided.

2. The design of soft ventilation pipe makes the position of bottom air inlet module portable, conveniently moves the air-supply line of bottom air inlet module to the position that needs the suction harmful gas.

3. The air exhaust module is provided with a noise reduction structure, so that noise generated during operation of the equipment is low, and influence on experimenters is low.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 creative efforts.

FIG. 1 is a schematic structural view of a silent exhaust duct in a laboratory;

FIG. 2 is a schematic view of a flexible vent;

FIG. 3 is a detail view of the construction of the exhaust module.

The attached drawings are as follows:

1. a bottom air intake module; 110. an air inlet pipe; 111. an air inlet hole; 120. an isolation module; 121. an input port; 122. an output port; 123. a serpentine circuit; 124. an upper separator plate; 125. a lower separator plate; 2. a soft vent pipe; 201. a corrosion resistant inner layer; 202. a reinforcing outer layer; 203. a helical spring keel; 3. an air draft module; 301. a sound deadening hood; 302. an exhaust fan; 303. a soundproof cotton layer; 31. an air inlet pipe is arranged at the top; 32. an air draft head is arranged in top; 4. a filter screen; 401. a sliding slot; 402. an insertion opening; 5. a sponge cushion; 6. a main exhaust pipe; 7. collecting tank; 8. a pallet; 801. a support spring; 9. an air quality detector; 10. a universal pulley.

Detailed Description

In order to solve the problems that common laboratory exhaust equipment on the market cannot timely exhaust harmful gas on the bottom layer near the ground in a laboratory, and conventional lower-draft laboratory exhaust equipment is easy to suck dust and accumulated water near the ground and has high operation noise, a mute exhaust pipe for the laboratory is provided.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, but 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.

It should be noted that the terms "inner", "middle" and "a" as used herein are for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and are also considered to be within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", 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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally 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 by those of ordinary skill in the art through specific situations.

As shown in fig. 1 to 3, this embodiment provides a laboratory silent exhaust pipe, which includes a bottom air intake module 1, a soft ventilation pipe 2, and an air draft module 3, where the bottom air intake module 1 includes an air intake pipe 110 and an isolation module 120 that are sequentially communicated, the air intake pipe 110 is provided with a plurality of air intake holes 111, the bottom of one side of the isolation module 120 is provided with an input port 121, the top of the other side is provided with an output port 122, the input port 121 is communicated with the tail of the air intake pipe 110, the front end of the output port 122 is provided with a filter screen 4, the isolation module 120 is provided with a serpentine pipeline 123, the air draft module 3 includes a muffling cover 301 and an exhaust fan 302, the exhaust fan 302 is installed in the muffling cover 301, a sponge pad 5 is arranged at a connection between the exhaust fan 302 and the muffling cover 301, and an output end of the air draft module 3 is communicated with a main exhaust pipe 6.

Because the input port 121 and the output port 122 of the isolation module 120 are arranged diagonally, and the serpentine pipeline 123 is arranged between the two openings, foreign matters such as heavy dust, water drops and the like can be intercepted and precipitated by the serpentine pipeline 123 and cannot move forward continuously, and the damage to equipment caused by the foreign matters entering a downstream pipeline is effectively avoided. The soft ventilation pipe 2 is convenient to be positioned and installed at will and is convenient to use. The sound absorbing structure is arranged in the air draft module 3, so that the noise loudness generated when the equipment runs can be reduced, and the influence on experimenters is reduced. And the main exhaust pipe 6 can be communicated with waste gas treatment equipment to prevent harmful gas from leaking to the outside.

The serpentine pipeline 123 includes a plurality of upper isolation plates 124 and lower isolation plates 125 arranged in a staggered manner, the upper isolation plates 124 are fixed to the top of the inner side of the isolation module 120, and the lower isolation plates 125 are fixed to the bottom of the inner side of the isolation module 120. The serpentine pipeline 123 is formed by the upper isolation plate 124, the lower isolation plate 125 and the inner side of the isolation module 120, so that the integrated structure saves materials and can reduce the vibration of the equipment during operation.

The bottom of the serpentine pipeline 123 is communicated with a collecting tank 7, and the collecting tank 7 is slidably sleeved at the bottom of the isolation module 120. Foreign matters such as dust and water drops trapped by the serpentine pipeline 123 can be deposited at the bottom of the serpentine pipeline 123, so that the drawer-type collecting tank 7 arranged at the bottom of the serpentine pipeline 123 can conveniently clean the foreign matters of the isolation module 120, and the blockage of the isolation module 120 caused by excessive foreign matters is avoided.

The front end of the output port 122 is provided with a sliding slot 401, one side of the sliding slot 401 is provided with an insertion port 402, and the filter screen 4 is slidably sleeved in the sliding slot 401. The pluggable filter screen 4 is convenient to clean and replace.

The inner surface of the silencing cover 301 is covered with a soundproof cotton layer 303, and the upper end and the lower end of the exhaust fan 302 are connected with the inner side of the silencing cover 301. The soundproof cotton layer 303 can effectively absorb noise generated when the exhaust fan 302 operates, and reduce the loudness of the noise transmitted to the outside through the soundproof cover 301. The upper end and the lower end of the exhaust fan 302 are connected and fixed, so that the stability is high, and the vibration noise is low.

The bottom of the inner side of the silencing cover 301 is provided with a supporting plate 8, the bottom of the supporting plate 8 is connected with a supporting spring 801, the exhaust fan 302 is installed at the top of the supporting plate 8, and the exhaust fan 302 is connected with the inner side of the top of the silencing cover 301 through a sponge cushion 5. The supporting spring 801 is matched with the sponge cushion 5, so that the exhaust fan 302 can be effectively fixed, vibration generated when the exhaust fan 302 operates can be absorbed, and the operating noise of the equipment can be reduced.

The soft ventilation pipe 2 comprises an inner corrosion-resistant layer 201 and an outer reinforcing layer 202, and a spiral spring keel 203 is further arranged on the outer side of the outer reinforcing layer 202. The corrosion resistant inner layer 201 and the reinforcing outer layer 202 can be made of teflon and high silica fiber fabrics commonly used in the market, respectively, and the spiral spring keel 203 is generally made of oxidation resistant metal. The soft ventilation pipe 2 with the structure can be used for conveying most chemical substances, and has the advantages of good bending radius, strong aging resistance, weather resistance, ozone resistance and excellent wear resistance and corrosion resistance.

An air quality detector 9 is arranged on the air inlet pipe 110, and the air quality detector 9 is electrically connected with the exhaust fan 302. When the air quality detector 9 arranged on the air inlet pipe 110 detects that the value of the peripheral air is abnormal, the exhaust fan 302 can be automatically started or the rotating speed of the exhaust fan 302 can be automatically increased, so that the use is convenient. Since the air quality detector 9 is a common product in the market, and it is generally equipped with a plurality of gas sensors such as a formaldehyde sensor, a PM2.5 sensor, a TVOC sensor, and a temperature and humidity sensor, and the related design is common knowledge, the detailed structure and principle thereof will not be described herein.

The input end of the air draft module 3 is communicated with an overhead air inlet pipe 31, and the front end pipeline of the overhead air inlet pipe 31 is communicated with an overhead air draft head 32. In addition to the lower air draft, an air draft pipeline of the upper space can be synchronously equipped and share one air draft fan 302, so that the upper space and the lower space of the laboratory can exhaust air quickly.

The bottom of the bottom air inlet module 1 is provided with a universal pulley 10. The bottom intake module 1 can be placed on the ground, and the arrangement of the universal pulley 10 facilitates the movement of the bottom intake module 1 as required.

The foregoing is a more detailed description of the present invention, and it is not intended that the present invention be limited to the specific details, since modifications and variations will be apparent to those skilled in the art.

Claims (10)

1. Laboratory silence exhaust pipe, its characterized in that includes from down and the bottom air inlet module, soft ventilation pipe and the convulsions module of last pipeline intercommunication in proper order, bottom air inlet module is including the air-supply line that communicates in proper order and isolation module, has seted up a plurality of fresh air inlets on the air-supply line, and one side bottom of isolation module is provided with the input port, and the opposite side top is provided with the delivery outlet, and the afterbody of input port intercommunication air-supply line, the front end of delivery outlet are provided with the filter screen, are provided with snakelike pipeline in the isolation module, the convulsions module includes amortization cover and air exhauster, and the air exhauster is installed in the amortization cover, and the air exhauster is provided with the foam-rubber cushion with the junction of amortization cover, and the output intercommunication of convulsions module has main blast pipe.

2. The laboratory silence exhaust pipe of claim 1, wherein the serpentine circuit comprises a plurality of staggered upper isolation plates and lower isolation plates, the upper isolation plates are fixed on the top of the inner side of the isolation module, and the lower isolation plates are fixed on the bottom of the inner side of the isolation module.

3. The laboratory silence exhaust pipe of claim 1, wherein the bottom of the serpentine pipeline is communicated with a collection trough, and the collection trough is slidably sleeved on the bottom of the isolation module.

4. The silent laboratory exhaust pipe of claim 1, wherein a sliding slot is provided at the front end of the outlet, an insertion opening is provided at one side of the sliding slot, and the filter screen is slidably sleeved in the sliding slot.

5. The laboratory silence exhaust pipe of claim 1, wherein the inner surface of the muffling hood is covered with a soundproof cotton layer, and the upper and lower ends of the exhaust fan are connected to the inner side of the muffling hood.

6. The laboratory silence exhaust pipe of claim 5, wherein a support plate is arranged at the bottom of the inner side of the silencing cover, a support spring is connected to the bottom of the support plate, the exhaust fan is installed at the top of the support plate, and the exhaust fan is connected with the inner side of the top of the silencing cover through a sponge mat.

7. The laboratory silence exhaust pipe of claim 1, wherein the soft ventilation pipe comprises an inner corrosion-resistant layer and an outer reinforcing layer, and a spiral spring keel is further arranged outside the outer reinforcing layer.

8. The laboratory silence exhaust pipe of claim 1, wherein the air inlet pipe is provided with an air quality detector, and the air quality detector is electrically connected with an exhaust fan.

9. The laboratory silence exhaust pipe of claim 1, wherein the input end of the draft module is connected to an overhead air inlet pipe, and the front end of the overhead air inlet pipe is connected to an overhead draft head.

10. The laboratory silence exhaust pipe of claim 1, wherein the bottom of the bottom air intake module is provided with universal pulleys.

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