CN216540107U

CN216540107U - Laboratory exhaust purification fume chamber

Info

Publication number: CN216540107U
Application number: CN202123428997.5U
Authority: CN
Inventors: 侯丽娟; 谢先君; 周燕
Original assignee: Changzhou Anping Safety Technology Service Co ltd
Current assignee: Changzhou Anping Safety Technology Service Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-05-17
Anticipated expiration: 2031-12-31

Abstract

The application discloses a laboratory waste gas purification ventilation cabinet, which relates to the technical field of ventilation cabinets and comprises a cabinet body, wherein an air inlet pipe and an exhaust pipe are respectively installed on two sides of the cabinet body, a chemical box is installed at one end of an inner cavity of the cabinet body, a spraying box is fixed at the top of the chemical box, a connecting pipe is installed between the chemical box and the spraying box, a connecting rod is installed at the top of the inner cavity of the spraying box, a spraying seat is installed at the bottom of the connecting rod, a spray head is installed at the bottom of the spraying seat, and a circulating pump is installed at the top of the chemical box. The problem of medicament waste is solved.

Description

Laboratory exhaust purification fume chamber

Technical Field

The application relates to the technical field of fume hoods, in particular to a laboratory exhaust purification fume hood.

Background

In order to ensure that laboratory workers do not inhale or swallow some toxic, pathogenic or unknown chemical substances and organisms and good ventilation in a laboratory, along with the rapid development of social economy, the fume hood is equipment for exhausting waste gas in the laboratory, the waste gas generated in a laboratory experiment is pumped out of the laboratory by using the fume hood, the waste gas is prevented from spreading to the inside of the laboratory, and the harm to the bodies of the laboratory workers is reduced;

in the process of implementing the present application, the applicant finds that at least the following problems exist in the technology, the existing fume hood needs to be assisted by using a medicament when purifying the exhaust gas, but the medicament is usually directly discharged out of the fume hood after being used, and the medicament is not recovered and reused, so that the medicament is wasted.

SUMMERY OF THE UTILITY MODEL

In order to improve the above-mentioned fume chamber and not retrieve and reuse the medicament, and then cause the extravagant problem of medicament, this application provides a laboratory exhaust purification fume chamber.

The application provides the following technical scheme: the utility model provides a laboratory exhaust purification fume chamber, includes the cabinet body, intake pipe and blast pipe are installed respectively to the both sides of the cabinet body, the chemical tank is installed to the one end of cabinet body inner chamber, the top of chemical tank is fixed with sprays the case, the chemical tank with spray and install the connecting pipe between the case, spray the top of incasement chamber and install the connecting rod, the bottom of connecting rod is installed and is spouted the seat, spout the bottom of seat and install the shower nozzle, the circulating pump is installed at the top of chemical tank, the input of circulating pump with be connected with the second catheter between the chemical tank, the output of circulating pump with it is connected with first catheter to spout between the seat, the purifying box is installed to the other end of cabinet body inner chamber, the purifying box with spray and install the air guide subassembly between the case, the internally mounted of purifying box has the purification subassembly.

Through adopting above-mentioned technical scheme, the intake pipe is with the leading-in inside that sprays the case of waste gas in the laboratory, fill up the medicament that is equipped with through the liquid feeding pipe toward the inside of medicament case, start the circulating pump through the controller, the circulating pump extracts the medicament of medicament incasement portion through the second catheter, and through the leading-in inside that spouts the seat of first catheter, finally spray waste gas downwards through the shower nozzle, thereby can absorb and purify waste gas, spun medicament passes through the inside that the connecting pipe got into the medicament case once more, the convenience is circulated and is used the medicament, help solving the easy extravagant problem that appears of medicament.

Optionally, the four corners of the bottom of the cabinet body are provided with suckers.

Through adopting above-mentioned technical scheme, during the use, adsorb the sucking disc on the laboratory bench surface, increased the adsorption affinity between the cabinet body and the laboratory bench to make the cabinet body more steady when using.

Optionally, the front of the cabinet body is hinged with a first door body, and the front of the purifying box is hinged with a second door body.

Through adopting above-mentioned technical scheme, open the first door body, the liquid feeding pipe through the medicament roof portion is convenient in time adds the medicament to the medicament incasement portion, opens the second door body, can dismantle and change the inside of purifying box.

Optionally, the air inlet pipe and the end of the exhaust pipe all extend to the inside of the cabinet body, the end of the air inlet pipe is communicated with the spraying box, the end of the exhaust pipe is communicated with the purifying box, and the air inlet pipe and the exhaust pipe are provided with circulating fans.

Through adopting above-mentioned technical scheme, the circulating fan in the intake pipe inhales the inside that sprays the case with the waste gas in the laboratory fast, and the circulating fan on the blast pipe can discharge the waste gas after purifying fast.

Optionally, the bottom that sprays the incasement chamber installs the edulcoration subassembly, the edulcoration subassembly is including keeping off the net, it is located to keep off the net spray the incasement chamber and be close to the one end of connecting pipe, the one end that keeps off the net runs through spray the case and stretch out the cabinet body, the fixture block is installed to the other end that keeps off the net, the draw-in groove of matcing each other with the fixture block is seted up to the inner wall that sprays the case.

Through adopting above-mentioned technical scheme, keep off the net and can carry out the impurity filtering to the medicament after spraying, connect through the block of fixture block and draw-in groove simultaneously, conveniently carry out periodic disassembly and clearance to keeping off the net, improved the practicality of device.

Optionally, purify the subassembly including fixed sterilamp that sets up on the purifying box, sterilamp is located the top of purifying box inner chamber, the purifying box inner chamber is kept away from the second filter screen is installed to sterilamp's one end, and the one end of keeping away from the second filter screen on the inner chamber of purifying box installs first filter screen, and the active carbon adsorption net is installed to the one end of keeping away from first filter screen on the inner chamber of purifying box.

Through adopting above-mentioned technical scheme, eliminate the bacterium in the waste gas through sterilamp transmitting ultraviolet, carry out the filtering through the large granule impurity that the second filter screen contains in to the waste gas, carry out the filtering through the less granule impurity that first filter screen contains in to the waste gas, adsorb the peculiar smell in the waste gas through the active carbon adsorption net to can discharge exhaust purification ground more thoroughly again, improve the purifying effect of device.

Optionally, the active carbon adsorbs the net first filter screen with coupling assembling is all installed at the both ends of second filter screen, coupling assembling includes the slider, the slider is located respectively the active carbon adsorbs the net first filter screen with the both ends of second filter screen, the spout is all installed at the both ends of purifying box inner wall, the slider with sliding connection between the spout.

Through adopting above-mentioned technical scheme, after activated carbon adsorption net, first filter screen and second filter screen used a period, outwards stimulate activated carbon adsorption net, first filter screen and second filter screen in proper order for the inside of slider slippage spout, thereby the convenience is carried out regular dismantlement and change to activated carbon adsorption net, first filter screen and second filter screen.

Optionally, the air guide subassembly is including the fixed air pump that sets up on the cabinet body, the air pump is located the top of cabinet body inner chamber, the input of air pump with be connected with the second air duct between the case sprays, the output of air pump with be connected with first air duct between the purifying box.

Through adopting above-mentioned technical scheme, when the air pump started, extract through the waste gas of second air duct to spraying the case inner chamber to through the inside of first air duct with waste gas suction purifying box, the convenience is to waste gas further purification treatment.

Compared with the prior art, the beneficial effects of this application are:

(1) through the matched arrangement of the first liquid guide pipe, the circulating pump and the second liquid guide pipe, the medicament in the medicament box is sucked into the spraying seat, the waste gas is sprayed and absorbed, and meanwhile, the sprayed medicament enters the medicament box again through the arrangement of the connecting pipe, so that the medicament is convenient to recycle, and the problem of medicament waste is solved;

(2) the bacterium in the waste gas is eliminated through sterilamp transmission ultraviolet ray, carries out the filtering through the large granule impurity that the second filter screen contains in to the waste gas, carries out the filtering through the less granule impurity that first filter screen contains in to the waste gas, adsorbs the peculiar smell in the waste gas through the active carbon adsorption net to can be with exhaust gas purification ground more thoroughly again with gas outgoing, reduced the pollution to the outdoor environment of laboratory, improved the feature of environmental protection.

Drawings

In order to more clearly illustrate the embodiments of the present application 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 application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic cross-sectional structural view of the present application;

FIG. 2 is a schematic view of the structure at A in FIG. 1 of the present application;

FIG. 3 is a schematic front view of the present application;

fig. 4 is a front view of the purifying box of the present application.

In the figure: 1. a cabinet body; 2. a connecting rod; 3. spraying seats; 4. a spray head; 5. an air inlet pipe; 6. a kit; 7. a connecting pipe; 8. a spray box; 9. a first catheter; 10. a circulation pump; 11. a second catheter; 12. a suction cup; 13. an exhaust pipe; 14. a circulation fan; 15. a purification box; 16. a purification assembly; 1601. an activated carbon adsorption net; 1602. a first filter screen; 1603. a second filter screen; 1604. an ultraviolet germicidal lamp; 17. a connecting assembly; 1701. a slider; 1702. a chute; 18. an air guide assembly; 1801. a first air duct; 1802. an air pump; 1803. a second air duct; 19. an impurity removal component; 1901. blocking the net; 1902. a clamping block; 1903. a card slot; 20. a first door body; 21. and a second door body.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

Referring to fig. 1, an embodiment of the present application: the utility model provides a laboratory exhaust-gas purification fume chamber, includes the cabinet body 1, and intake pipe 5 and blast pipe 13 are installed respectively to the both sides of the cabinet body 1, and sucking disc 12 is all installed to four corners of the cabinet body 1 bottom. During the use, adsorb sucking disc 12 on the laboratory bench surface, increased the adsorption affinity between the cabinet body 1 and the laboratory bench to make the cabinet body 1 more steady when using.

Referring to fig. 1, the end portions of the air inlet pipe 5 and the air outlet pipe 13 extend to the inside of the cabinet 1, the end portion of the air inlet pipe 5 is communicated with the spraying box 8, the end portion of the air outlet pipe 13 is communicated with the purifying box 15, and the air inlet pipe 5 and the air outlet pipe 13 are provided with circulating fans 14. The circulating fan 14 on the air inlet pipe 5 can quickly suck the waste gas in the laboratory into the spraying box 8, and the circulating fan 14 on the exhaust pipe 13 can quickly discharge the purified waste gas.

Please refer to fig. 1 and 2, a chemical box 6 is installed at one end of an inner cavity of a cabinet body 1, which is convenient for storing chemicals, a spraying box 8 is fixed at the top of the chemical box 6, an impurity removing component 19 is installed at the bottom of the inner cavity of the spraying box 8, the impurity removing component 19 includes a blocking net 1901, the blocking net 1901 is located at one end of the inner cavity of the spraying box 8 close to a connecting pipe 7, one end of the blocking net 1901 penetrates through the spraying box 8 and extends out of the cabinet body 1, a fixture block 1902 is installed at the other end of the blocking net 1901, and a clamping groove 1903 matched with the fixture block 1902 is formed on the inner wall of the spraying box 8. Keep off net 1901 and can carry out the impurity filtering to the medicament after spraying, connect through fixture block 1902 and draw-in groove 1903's block simultaneously, conveniently carry out periodic disassembly and clearance to keeping off net 1901, improved the practicality of device.

Please refer to fig. 1, install connecting pipe 7 between chemical tank 6 and the spray tank 8, can be with the inside of leading-in chemical tank 6 again of the medicament after spraying, connecting rod 2 is installed at the top of 8 inner chambers of spray tank, the equidistant installation in bottom of connecting rod 2 spouts seat 3, spout the bottom of seat 3 and install shower nozzle 4, conveniently pass through shower nozzle 4 downwards spout with gas contact with the medicament, thereby tentatively purify and absorb gas, circulating pump 10 is installed at the top of chemical tank 6, be connected with second catheter 11 between circulating pump 10's input and the chemical tank 6, conveniently draw the inside medicament of chemical tank 6 through second catheter 11, be connected with first catheter 9 between circulating pump 10's output and the spout seat 3, conveniently spout the inside of seat 3 with the medicament suction through first catheter 9.

Referring to fig. 1, a purifying box 15 is installed at the other end of the inner cavity of the cabinet body 1, an air guide assembly 18 is installed between the purifying box 15 and the spraying box 8, the air guide assembly 18 includes an air pump 1802 fixedly arranged on the cabinet body 1, the air pump 1802 is located at the top of the inner cavity of the cabinet body 1, a second air guide tube 1803 is connected between the input end of the air pump 1802 and the spraying box 8, and a first air guide tube 1801 is connected between the output end of the air pump 1802 and the purifying box 15. When air pump 1802 starts, extract through second air duct 1803 to the waste gas that sprays 8 inner chambers of case to through the inside of first air duct 1801 with waste gas suction purifying box 15, the convenience is to waste gas further purification treatment.

Referring to fig. 1, a purification assembly 16 is installed inside a purification box 15, the purification assembly 16 includes an ultraviolet germicidal lamp 1604 fixedly installed on the purification box 15, the ultraviolet germicidal lamp 1604 is located at the top of an inner cavity of the purification box 15, a second filter screen 1603 is installed at one end of the inner cavity of the purification box 15, which is far away from the ultraviolet germicidal lamp 1604, a first filter screen 1602 is installed at one end of the inner cavity of the purification box 15, which is far away from the second filter screen 1603, and an activated carbon adsorption screen 1601 is installed at one end of the inner cavity of the purification box 15, which is far away from the first filter screen 1602. Emit the bacterium of ultraviolet ray to in the waste gas through sterilamp 1604 and eliminate, carry out the filtering to the large granule impurity that contains in the waste gas through second filter screen 1603, carry out the filtering to the less granule impurity that contains in the waste gas through first filter screen 1602, adsorb the peculiar smell in the waste gas through active carbon adsorption net 1601 to can discharge exhaust purification ground more thoroughly again, improve the purifying effect of device.

Referring to fig. 1, connecting assemblies 17 are installed at two ends of an activated carbon adsorption net 1601, a first filter screen and a 1602 second filter screen 1603, each connecting assembly 17 includes a sliding block 1701, the sliding blocks 1701 are respectively located at two ends of the activated carbon adsorption net 1601, the first filter screen 1602 and the second filter screen 1603, sliding grooves 1702 are installed at two ends of the inner wall of the purifying box 15, and the sliding blocks 1701 are in sliding connection with the sliding grooves 1702. After activated carbon adsorption net 1601, first filter screen 1602 and second filter screen 1603 used a period of time, outside pulling activated carbon adsorption net 1601, first filter screen 1602 and second filter screen 1603 in proper order for slider 1701 slippage spout 1702's inside, thereby conveniently carry out periodic disassembly and change to activated carbon adsorption net 1601, first filter screen 1602 and second filter screen 1603.

Referring to fig. 3 and 4, a first door 20 is hinged to the front of the cabinet 1, and a second door 21 is hinged to the front of the purifying box 15. Open first door body 20, the convenient liquid feeding pipe through 6 tops of medicine case is in time added the medicine to 6 insides of medicine case, opens second door body 21, can dismantle and change the inside of purifying box 15.

The working principle is as follows: during the use, external power supply, circulation fan 14 in the intake pipe 5 inhales the inside of spraying case 8 with the waste gas in the laboratory, fill up the medicament that is equipped with toward the inside of medicament case 6 through the liquid feeding pipe at 6 tops of medicament case, close first door body 20, start circulating pump 10, circulating pump 10 passes through the first catheter 9 of second catheter 11 with the inside medicament suction of medicament case 6, and send into the inside of spouting seat 3, finally spout and waste gas contact downwards through shower nozzle 4, absorb and purify waste gas, spun medicament passes through the inside that connecting pipe 7 got into medicament case 6 once more, the convenience is circulated and is used the medicament.

When the medicine process kept off net 1901, can filter the impurity that contains in the medicine, through a period of use, pulling left keeps off net 1901 for fixture block 1902 separates with draw-in groove 1903, and the convenience is dismantled and is cleared up keeping off net 1901.

Meanwhile, air pump 1802 starts, will spray in the inside waste gas suction of case 8 in first air duct 1801 through second air duct 1803, and the inside of leading-in purifying box 15, sterilamp 1604 transmits the ultraviolet ray and eliminates the bacterium in the waste gas, when waste gas passes through second filter screen 1603, the large granule impurity that will contain filters, when waste gas passes through first filter screen 1602, the less granule impurity that will contain filters, when waste gas passes through activated carbon adsorption net 1601, adsorb the peculiar smell in the waste gas, thereby can pass through blast pipe 13 with gas purification ground more thoroughly again and discharge, the pollution to laboratory outdoor environment has been reduced, make the device have certain feature of environmental protection, the purifying effect of device has also been improved simultaneously.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a laboratory exhaust purification fume chamber, includes the cabinet body (1), its characterized in that: an air inlet pipe (5) and an exhaust pipe (13) are respectively installed on two sides of the cabinet body (1), a chemical box (6) is installed at one end of the inner cavity of the cabinet body (1), a spraying box (8) is fixed at the top of the chemical box (6), a connecting pipe (7) is installed between the chemical box (6) and the spraying box (8), a connecting rod (2) is installed at the top of the inner cavity of the spraying box (8), a spraying seat (3) is installed at the bottom of the connecting rod (2), a spray head (4) is installed at the bottom of the spraying seat (3), a circulating pump (10) is installed at the top of the chemical box (6), a second liquid guide pipe (11) is connected between the input end of the circulating pump (10) and the chemical box (6), a first liquid guide pipe (9) is connected between the output end of the circulating pump (10) and the spraying seat (3), and a purifying box (15) is installed at the other end of the inner cavity of the cabinet body (1), an air guide assembly (18) is installed between the purification box (15) and the spraying box (8), and a purification assembly (16) is installed inside the purification box (15).

2. A laboratory exhaust purification fumehood according to claim 1 wherein: four corners of the bottom of the cabinet body (1) are provided with suckers (12).

3. A laboratory exhaust purification fumehood according to claim 1 wherein: the front of the cabinet body (1) is hinged with a first door body (20), and the front of the purifying box (15) is hinged with a second door body (21).

4. A laboratory exhaust purification fumehood according to claim 1 wherein: the utility model discloses a cabinet, including the inside of the cabinet body (1), intake pipe (5) with the tip of blast pipe (13) all extends to the inside of the cabinet body (1), the tip of intake pipe (5) with spray case (8) intercommunication, the tip of blast pipe (13) with purifying box (15) intercommunication, intake pipe (5) with all be equipped with circulating fan (14) on blast pipe (13).

5. A laboratory exhaust purification fumehood according to claim 1 wherein: the utility model discloses a cabinet, including spraying case (8), impurity removal subassembly (19) is installed to the bottom of spraying case (8) inner chamber, impurity removal subassembly (19) is including keeping off net (1901), keep off net (1901) and be located spray case (8) inner chamber and be close to the one end of connecting pipe (7), the one end that keeps off net (1901) is run through spray case (8) and stretch out the cabinet body (1), block (1902) are installed to the other end that keeps off net (1901), the draw-in groove (1903) of mutually matchning with block (1902) are seted up to the inner wall that sprays case (8).

6. A laboratory exhaust purification fumehood according to claim 1 wherein: purify subassembly (16) including fixed sterilamp (1604) that sets up on purifying box (15), sterilamp (1604) are located the top of purifying box (15) inner chamber, purifying box (15) inner chamber is kept away from second filter screen (1603) is installed to the one end of sterilamp (1604), keeps away from the one end of second filter screen (1603) on the inner chamber of purifying box (15) and installs first filter screen (1602), keeps away from the one end of first filter screen (1602) on the inner chamber of purifying box (15) and installs active carbon adsorption net (1601).

7. A laboratory exhaust purification fume hood according to claim 6, wherein: active carbon adsorbs net (1601), first filter screen (1602) and coupling assembling (17) are all installed at the both ends of second filter screen (1603), coupling assembling (17) include slider (1701), slider (1701) are located respectively active carbon adsorbs net (1601), first filter screen (1602) and the both ends of second filter screen (1603), spout (1702) are all installed at the both ends of purifying box (15) inner wall, slider (1701) with sliding connection between spout (1702).

8. A laboratory exhaust purification fumehood according to claim 1 wherein: air guide subassembly (18) are including fixed air pump (1802) that sets up on cabinet body (1), air pump (1802) are located the top of cabinet body (1) inner chamber, the input of air pump (1802) with spray and be connected with second air duct (1803) between case (8), the output of air pump (1802) with be connected with first air duct (1801) between purifying box (15).