CN212119301U - Reagent medicine cabinet chemistry waste gas rose box - Google Patents

Abstract

The utility model provides a reagent medicine cabinet chemistry waste gas rose box, include: the box, the bottom half installs the end support frame, and lower filter module installs on the end support frame, the box mid-mounting has the fan backup pad, and the fan passes through the fan fixed plate to be installed in the fan backup pad, and the second TVOC sensor is installed to the one side that lies in the fan backup pad, and the upper bracket is installed at the box top, goes up filter module and installs on the upper bracket, acid sensor and first TVOC sensor are installed side by side on last filter module. This reagent medicine cabinet chemistry waste gas rose box is put in reagent medicine cabinet top chemistry waste gas purification clearance height, and the chemistry waste gas concentration in the air after the purification is far less than occupational health standard requirement, can directly arrange the chemistry waste gas in the reagent cabinet in the room air, does not influence high building municipal administration requirement, has solved high-rise building's laboratory tail gas exhaust pipe and has received the difficult problem that influences municipal administration regulation on the roof.

Description

Reagent medicine cabinet chemistry waste gas rose box

Technical Field

The utility model relates to an air purification equipment technical field, concretely relates to reagent medicine cabinet chemistry waste gas rose box.

Background

During the experiment, researchers use various toxic, smelling, corrosive and irritant chemical reagents which are stored in reagent cabinets after being used. Since the chemical reagents include organic chemical substances, acid and alkaline inorganic chemical substances, which are mostly strong volatile substances, such as hydrochloric acid, hydrofluoric acid, hydrogen sulfide, sulfur dioxide, nitrogen oxides, chlorine, ammonia, toluene, benzene, aldehydes, isopropanol, acetone, diethyl ether, methyl mercaptan, n-hexane, etc., although the chemical reagents are contained in various bottles, the problem of tightness of bottle caps leaks out more or less, most of the reagent and medicine cabinets do not purify the chemical reagent bottles containing the chemical reagents with tiny leakage, the tiny leakage chemical reagents permeate and diffuse into the air of laboratories in a gaseous state, which causes chronic harm to the health of laboratory research workers, and the laboratory workers often smell and inhale toxic, odorous and irritant chemical reagent gases when taking and putting the chemical reagents, affecting the health of workers.

In order to solve the problem that the quality of air in a laboratory is affected by the micro leakage of chemical reagents in the laboratory, ventilation pipes are arranged on the tops of some reagent medicine cabinets in the current market, chemical waste gas in the reagent medicine cabinets is directly exhausted outdoors through certain air draft amount, or the chemical waste gas is exhausted to the surrounding environment after being filtered by an activated carbon filter box. Many laboratories are built in residential areas and pose a threat to the health of surrounding residents.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a reagent medicine cabinet chemistry waste gas rose box places in reagent medicine cabinet top, can effectively carry out filtration treatment back row to the air with the waste gas that volatilizees in the reagent medicine cabinet through two chemical gas filtration modules, convenient to use, and chemical exhaust purification clearance is high.

In order to realize the technical scheme, the utility model provides a reagent medicine cabinet chemistry waste gas rose box, include: the box body is characterized in that a bottom support frame is arranged at the bottom of the box body, a lower filtering module is arranged on the bottom support frame, a fan support plate is arranged in the middle of the box body, a fan is arranged on the fan support plate through a fan fixing plate, a second TVOC sensor is arranged on one side of the fan on the fan support plate, an upper support frame is arranged at the top of the box body, an upper filtering module is arranged on the upper support frame, an acid sensor and a first TVOC sensor are arranged on the upper filtering module side by side, the upper filtering module and the lower filtering module have the same structure and respectively comprise a filtering module upper plate, middle-effect filtering cotton, chemical molecular filtering materials, sealing cotton, a filtering module lower plate and a frame body, wherein the chemical molecular filtering materials are arranged in the frame body, the middle-effect filtering cotton is tightly attached to the upper part and the lower part of the chemical molecular filtering materials, the filtering module upper plate and the filtering module lower plate enclose the, the surfaces of the upper plate and the lower plate of the filtering module are provided with meshes.

In above-mentioned technical scheme, this exhaust-gas treatment machine is used for placing and is putting at reagent medicine cabinet top, and reagent medicine cabinet top is opened there is the air vent. Chemical waste gas volatilized from the inside of the medicine forms negative pressure through a fan arranged in the filter box, the waste gas volatilized from the inside of the reagent medicine cabinet is discharged into the air after being treated and filtered by the lower filter module, the fan layer and the upper filter module from bottom to top, and chemical molecular filter materials are arranged in the lower filter module and the upper filter module; and the particle pollutants are removed through the filter cotton, the purification efficiency is high, the particles can be directly discharged into the air of a laboratory, an exhaust pipeline is not needed to be communicated with the roof, and the device is more suitable for purifying and removing the chemical gaseous pollutants in the laboratory of high floors.

Preferably, the leading flank of box is provided with shrouding before the detachable, install the liquid crystal touch screen on the preceding shrouding, light alarm and audible alarm are installed respectively to liquid crystal touch screen one side, liquid crystal touch screen, light alarm and audible alarm respectively with acid sensor, first TVOC sensor and second TVOC sensor electric connection. The acidity sensor, the first TVOC sensor and the second TVOC sensor read out relevant chemical gas concentration data and then transmit the data into the liquid crystal touch screen in real time to be displayed, and according to the TWA value of the national health and occupational health standard, when the gas concentration exceeds the standard, the alarm can be given out through the light alarm and the sound alarm in time, and a customer is prompted to replace the chemical filtering module in time.

Preferably, install a plurality of sealing joint on the right flank of box, one side of sealing joint is provided with gaseous collection hole and gas connection, and sealing joint is used for the link up wiring of electric wire, and normal condition gaseous collection hole and gas connection pass through the end cap sealed, when the sample of different regions in the box is gathered to needs, can correspond corresponding gas connection or the gaseous collection hole of intercommunication.

Preferably, the bottom of the fan is provided with a flow guide ring to improve the flow guide effect on the gas.

Preferably, the butt joint of the lower filtering module and the bottom support frame is sealed by a support plate sealing cotton.

Preferably, the butt joint of the upper filter module and the upper support frame is sealed by a support plate sealing cotton.

The utility model provides a pair of reagent medicine cabinet chemistry waste gas rose box's beneficial effect lies in:

1) the chemical waste gas filter box of the reagent medicine cabinet adopts a modular design, can be matched with all flat-top reagent medicine cabinets on the market, has wide application range, can effectively solve the problem of air environment pollution caused by volatilization, leakage and emission of chemical reagents in the reagent medicine cabinets, is particularly suitable for laboratories built in high-rise buildings, does not need ventilation pipelines arranged on the outer walls of the buildings to be directly communicated to the top layer for waste gas emission, and has reasonable air volume and filter module design, the purification and removal rate of the volatile chemical waste gas in the medicine cabinet is high (up to more than 99.9 percent), the concentration of the chemical waste gas in the purified air is far lower than the requirement of occupational health standard, can directly arrange the chemical waste gas in the reagent cabinet to the room air in, effectively practice thrift the cost, do not influence high building municipal administration requirement, solve high-rise building's laboratory tail gas exhaust pipe and received the difficult problem that influences municipal administration regulation on the roof.

2) This filtration module in reagent medicine cabinet chemistry waste gas filter box adopts chemical molecule filter material and well effect to filter the integrated configuration of cotton and filters, can effectively get rid of chemical gaseous pollutant and particulate pollutant, and chemical waste gas purifies the clearance height to adopt the module to take out the formula structure of inserting, open preceding shrouding, can get very conveniently and put filter core module, do benefit to the change of customer to filtration module.

3) This reagent medicine cabinet chemistry waste gas rose box has installed test volatile organic chemical gas (TVOC) concentration and acid gas's inductor in top layer air outlet department to set up relevant concentration alarm system according to the relevant occupational health TWA standard of country in the control system of this equipment, can in time report to the police and inform the user in time to change chemical filtration module when organic chemical gas concentration and inorganic acid concentration exceed standard.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic diagram of the internal structure of the present invention.

Fig. 3 is an explosion diagram of the middle part structure of the present invention.

Fig. 4 is a schematic perspective view of the middle filter module according to the present invention.

Fig. 5 is a cross-sectional view of the filter module of the present invention.

In the figure: 1. a box body; 2. an upper support frame; 3. a fan support plate; 4. a bottom support frame; 5. a front closing plate; 6. a liquid crystal touch screen; 7. a light alarm; 8. an audible alarm; 9. the front sealing plate is sealed with cotton; 10. a fan fixing plate; 11. a fan; 12. a bolt; 13. sealing the joint; 14. a flow guide ring; 15. a gas collection aperture; 16. a gas pipe joint; 17. the supporting plate is sealed with cotton; 18. pulling and riveting the nut hole; 19. an acid sensor; 20. a first TVOC sensor; 21. an upper filtering module; 22. a second TVOC sensor; 23. a lower filtration module; 24. a filter module upper plate; 25. medium-efficiency filter cotton; 26. a chemical molecular filter material; 27. sealing cotton; 28. a filtration module lower plate; 29. a frame body.

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. All other embodiments obtained by a person skilled in the art without any inventive step are within the scope of the present invention.

Example (b): a chemical waste gas filter box of a reagent medicine cabinet.

Referring to fig. 1 to 5, a chemical exhaust gas filtering tank of a reagent and medicine cabinet comprises: the main frame is formed by welding a box body 1, an upper support frame 2, a fan support plate 3 and a bottom support frame 4; the box body 1, the upper support frame 2 and the bottom support frame 4 are all provided with rivet nut holes 18, the rivet nuts are riveted after welding and spraying are finished, the front side surface of the box body 1 is provided with a front seal plate 5 fixed through screws, and the front seal plate 5 can be detached; six round holes are formed in the right side face of the box body 1, four of the round holes are wire connection holes, and sealing joints 13 are mounted on the round holes; one is an air hole round hole, and an air pipe connector 16 is arranged on one round hole; one is a gas collecting hole 15, and when not used, the gas collecting hole can be blocked by a rubber plug and sealed.

The front sealing plate 5 is provided with a liquid crystal touch screen 6, a light alarm 7 and a sound alarm 8; the liquid crystal touch screen 6 integrates control of a circuit board and display, can display service lives of the upper filtering module 21 and the lower filtering module 23, control of the rotating speed of the fan 11 to adjust air volume and the like; light alarm 7, 8 mainly used rose box exhaust gas handle not up to standard's warning, the suggestion user changes filter module 21 and lower filter module 23, and preceding shrouding 5 dorsal part is pasted and is had preceding shrouding sealing cotton 9 to ensure the leakproofness of preceding shrouding 5 and box 1 butt joint department.

The fan supporting plate 3 is welded on the box body 1, a large circular vent hole is formed in the middle of the fan supporting plate 3, four guide ring mounting through holes are formed in the periphery of the large circular vent hole and used for mounting the guide ring 14, four circular through holes are formed in the guide ring 14, and the bolts 12 are fixed to the four circular through holes through nuts; a fan mounting through hole is formed in the fan fixing plate 10 and corresponds to a mounting screw hole in the fan 11, and the fan 11 is mounted on the fan fixing plate 10 through screws; the edge of the fan fixing plate 10 is also provided with four circular through holes corresponding to the positions of the bolts 12, the fan fixing plate 10 is fixed on the bolts 12 through an upper nut and a lower nut, the lower nut limits the fan fixing plate 10 to fall down, and the upper nut limits the fan fixing plate 10 to move upwards; the installation height of the fan 11 can be adjusted by adjusting the two nuts;

lower filter module 23 is installed on end support frame 4, it installs on last support frame 2 to go up filter module 21, it is the same with lower filter module 23 structure to go up filter module 21, all include filter module upper plate 24, well effect filter pulp 25, chemical molecule filter material 26, seal cotton 27, filter module hypoplastron 28 and framework 29, wherein chemical molecule filter material 26 installs in framework 29, well effect filter pulp 25 hugs closely and sets up in the top and the below of chemical molecule filter material 26, filter module upper plate 24 and filter module hypoplastron 28 enclose well effect filter pulp 25 and chemical molecule filter material 26 and cover in framework 29 and seal through seal cotton 27, filter module upper plate 24 and filter module hypoplastron 28 surface have all seted up the mesh. The waste gas passes through the lower filtering module 23, the flow guide ring 14 and the upper filtering module 21 in sequence under the action of the fan 11, when the waste gas passes through the lower filtering module 23, large-particle pollutants, dust and the like in the waste gas are primarily filtered through the lower middle-effect filter cotton 25, then the waste gas enters the chemical molecular filter material 26, molecules of the volatilized chemical gaseous pollutants are chemically adsorbed through the filter material with high specific surface area and multiple pores, chemical reaction is simultaneously carried out, harmless carbon dioxide, water and other inorganic salts are generated, and inorganic salt solids are remained in the pores of the filter material, so that the effect of removing the chemical gaseous pollutants is achieved; then the particle pollutants are removed through the upper middle-effect filter cotton 25. After twice filtration of lower filter module 23 and upper filter module 21, chemical waste gas purification clearance can be as high as 99.9%, and purification efficiency is high, can directly arrange laboratory air in, does not need the exhaust duct to put through to the roof, and the purification that is more fit for the laboratory of high floor's chemical gaseous pollutant is got rid of.

A second TVOC sensor 22 is installed on one side of the fan 11 of the fan support plate 3, and is used for detecting the TVOC concentration in the exhaust gas after the chemical exhaust gas passes through the lower filtering module 23; the acid sensor 19 and the first TVOC sensor 20 are arranged on the upper filtering module 21 side by side and used for detecting the gas concentration of the waste gas passing through the upper filtering module 21, reading out relevant chemical gas concentration data and then transmitting the data into a control circuit board of the liquid crystal touch screen 6 in real time, and according to the TWA value of the national health and occupational health standard, when the gas concentration exceeds the standard, the alarm can be given out in time through the light alarm 7 and the sound alarm 8, and a client is prompted to replace the chemical filtering module in time.

The chemical waste gas filter box of the reagent medicine cabinet adopts a modular design, can be matched with all flat-top reagent medicine cabinets on the market, has wide application range, can effectively solve the problem of air environment pollution caused by volatilization, leakage and emission of chemical reagents in the reagent medicine cabinets, is particularly suitable for laboratories built in high-rise buildings, does not need ventilation pipelines arranged on the outer walls of the buildings to be directly communicated to the top layer for waste gas emission, and has reasonable air volume and filter module design, the purification and removal rate of the volatile chemical waste gas in the medicine cabinet is high (up to more than 99.9 percent), the concentration of the chemical waste gas in the purified air is far lower than the requirement of occupational health standard, can directly arrange the chemical waste gas in the reagent cabinet to the room air in, effectively practice thrift the cost, do not influence high building municipal administration requirement, solve high-rise building's laboratory tail gas exhaust pipe and received the difficult problem that influences municipal administration regulation on the roof.

The above description is a preferred embodiment of the present invention, but the present invention should not be limited to the disclosure of the embodiment and the accompanying drawings, and therefore, all equivalents and modifications that can be accomplished without departing from the spirit of the present invention are within the protection scope of the present invention.

Claims (6)

1. A reagent medicine cabinet chemical exhaust gas filter box comprising: the box body is characterized in that a bottom support frame is arranged at the bottom of the box body, a lower filtering module is arranged on the bottom support frame, a fan support plate is arranged in the middle of the box body, a fan is arranged on the fan support plate through a fan fixing plate, a second TVOC sensor is arranged on one side of the fan on the fan support plate, an upper support frame is arranged at the top of the box body, an upper filtering module is arranged on the upper support frame, an acid sensor and a first TVOC sensor are arranged on the upper filtering module side by side, the upper filtering module and the lower filtering module have the same structure and respectively comprise a filtering module upper plate, middle-effect filtering cotton, chemical molecular filtering materials, sealing cotton, a filtering module lower plate and a frame body, wherein the chemical molecular filtering materials are arranged in the frame body, the middle-effect filtering cotton is tightly attached to the upper part and the lower part of the chemical molecular filtering materials, the filtering module upper plate and the filtering module lower plate enclose the, the surfaces of the upper plate and the lower plate of the filtering module are provided with meshes.

2. The chemical exhaust gas filter box of reagent medicine cabinet of claim 1, characterized in that: the leading flank of box is provided with shrouding before the detachable, install liquid crystal touch screen on the preceding shrouding, light alarm and audible alarm are installed respectively to liquid crystal touch screen one side, liquid crystal touch screen, light alarm and audible alarm respectively with acid sensor, first TVOC sensor and second TVOC sensor electric connection.

3. The chemical exhaust gas filter box of reagent medicine cabinet of claim 1, characterized in that: a plurality of sealing joints are installed on the right side face of the box body, and a gas collecting hole and a gas pipe joint are arranged on one side of each sealing joint.

4. The chemical exhaust gas filter box of reagent medicine cabinet of claim 1, characterized in that: and a flow guide ring is arranged at the bottom of the fan.

5. The chemical exhaust gas filter box of reagent medicine cabinet of claim 1, characterized in that: the butt joint of the lower filtering module and the bottom support frame is sealed by the supporting plate sealing cotton.

6. The chemical exhaust gas filter box of reagent medicine cabinet of claim 1, characterized in that: the butt joint of the upper filtering module and the upper supporting frame is sealed by the supporting plate sealing cotton.

Images