CN217662521U - Special sour exhaust gas purification device of laboratory fume chamber - Google Patents
Special sour exhaust gas purification device of laboratory fume chamber Download PDFInfo
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- CN217662521U CN217662521U CN202221123618.3U CN202221123618U CN217662521U CN 217662521 U CN217662521 U CN 217662521U CN 202221123618 U CN202221123618 U CN 202221123618U CN 217662521 U CN217662521 U CN 217662521U
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Abstract
The utility model discloses a special sour exhaust gas purification device of laboratory fume chamber belongs to the exhaust purification field, a special sour exhaust gas purification device of laboratory fume chamber, including fume chamber and purification cabinet, the ventilation pipe that fixedly connected with is linked together between fume chamber and the purification cabinet, install the air exhauster on the ventilation pipe, two baffles of the inside fixedly connected with of purification cabinet, two the baffle is cut apart into exhaust emission chamber, neutralization collection chamber and exhaust-gas treatment chamber in proper order with the inside of fume chamber from left to right, it has the filter to peg graft on the purification cabinet, the bottom of filter extend to the inside in exhaust-gas treatment chamber and with the inner wall sliding connection in exhaust-gas treatment chamber. The utility model discloses a, can purify the produced acid mist of graphite digestion method experiment, avoid the acid mist liquefaction to corrode fume chamber equipment, play certain guard action, avoid the acid mist direct emission to the atmosphere to lead to the pollution simultaneously, environmental protection safety more satisfies the safety ring protects demand of experiment.
Description
Technical Field
The utility model relates to a waste gas purification field, more specifically say, relate to a special sour exhaust gas purification device of laboratory fume chamber.
Background
The graphite-wet digestion method is used for measuring heavy metals, trace elements and the like in soil and agricultural products, nitric acid, hydrochloric acid and the like are used in experiments, operation is needed in a fume hood, acid mist can be generated in the digestion process, and the acid mist can be condensed into acid liquor when passing through an exhaust pipe of the fume hood.
Present directness can be discharged acid mist to the outside to guarantee the experimental environment in the laboratory, avoid causing the health injury to the experimenter, and acid mist discharges the liquefaction and forms the acidizing fluid backward flow and can corrode the fume chamber, and in partial acid mist exhaust atmosphere, the polluted environment so proposed a special sour exhaust gas purification device of laboratory fume chamber and solved above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide a special sour exhaust gas purification device of laboratory fume chamber to solve current directness and can externally discharge acid mist, with the experimental environment in guaranteeing the laboratory, avoid causing the health injury to the experimenter, and acid mist discharges the liquefaction and forms the acidizing fluid backflow and can corrode the fume chamber, in the partial acid mist exhaust atmosphere of while, the problem of polluted environment.
In order to solve the problem, the utility model adopts the following technical proposal.
The utility model provides a special sour exhaust gas purification device of laboratory fume chamber, includes fume chamber and purification cabinet, the ventilation pipe that fixedly connected with is linked together between fume chamber and the purification cabinet, install the air exhauster on the ventilation pipe, two baffles of purification cabinet's inside fixedly connected with, two the baffle is split into exhaust emission chamber, neutralization collection chamber and exhaust-gas treatment chamber from left to right in proper order with the inside of fume chamber, it has the filter to peg graft on the purification cabinet, the bottom of filter extends to the inside of exhaust-gas treatment chamber and with the inner wall sliding connection of exhaust-gas treatment chamber, two baffles of the inside fixedly connected with of neutralization collection chamber, the inside packing of neutralization collection chamber has sufficient alkali lye, two all interpenetration has first communicating pipe on the baffle, the inside fixedly connected with condenser pipe in exhaust emission chamber, the one end of condenser pipe is linked together with the inside of ventilation pipe, two all interpenetration has rather than fixed connection's second communicating pipe on the baffle, two exhaust emission chamber and exhaust-gas treatment chamber all are linked together with the inside of neutralization collection chamber through second communicating pipe, the left side of purification cabinet is provided with the absorption cover, be connected with the absorption cover between purification cabinet.
As a further description of the above technical solution:
the filter plate comprises a frame, a dust filtering net and a lime plate are sequentially arranged on the inner side of the frame from right to left, and vent holes which are uniformly distributed are formed in the lime plate.
As a further description of the above technical solution:
first communicating pipe all is L shape with the second communicating pipe, the top fixed mounting of purifying cabinet has the interpolation pipe, the bottom that adds the pipe extends to the inside in and the collection chamber, two the looks through-hole has all been seted up to the bottom of separation plate, the back fixedly connected with delivery pipe of purifying cabinet.
As a further description of the above technical solution:
the inner surface of the purification cabinet, the surfaces of the partition plate and the separation plate are fixedly connected with anti-corrosion layers, and the anti-corrosion layers are ceramic coatings.
As a further description of the above technical solution:
the inner walls of the absorption cover and the corrugated pipe are fixedly connected with protective films, and the protective films are polytetrafluoroethylene films.
As a further description of the above technical solution:
the utility model discloses a purification cabinet, including apron and purification cabinet main part, the bottom fixed mounting of apron has a plurality of inserted block, the inboard fixed mounting of inserted block has sealed piece, sealed pad and sealed piece are made by polytetrafluoroethylene.
Compared with the prior art, the utility model has the advantages of:
this scheme, through aim at the absorption cover experiment part, air exhauster circular telegram work forms the negative pressure in the inside of purifying cabinet, collect the fog that graphite digestion method experiment produced, then the inside of leading-in exhaust-gas treatment chamber through the bellows, and filter the fog through the filter, then the second communicating pipe leading-in neutralization on through the right side collects the inside in chamber, and through the acidizing fluid in alkali lye and the fog carry out neutralization recovery, because the separator plate separates alkali lye into a plurality of alkali ponds, and be linked together through first communicating pipe, thereby can carry out neutralization reaction with the fog many times, improve acid-base neutralization effect, then air discharge to the inside in exhaust-gas discharge chamber after the neutralization, reduce air temperature through the condenser pipe, carry out the liquefaction collection with the moisture in the air, the air after will drying purification discharges through the leading-in ventilation cabinet of ventilation pipe, can purify the acid mist that graphite digestion experiment produced, avoid acid mist liquefaction to corrode ventilation cabinet equipment, play certain guard action, avoid acid mist directly to discharge to the atmosphere to lead to the pollution simultaneously, safety ring protects safety more, satisfy the safety ring demands of experiment.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the part A of FIG. 1 according to the present invention;
fig. 3 is an enlarged schematic view of the portion B in fig. 1 according to the present invention.
The reference numbers in the figures illustrate:
1. a fume hood; 2. a purification cabinet; 21. a cover plate; 22. a main body of the purification cabinet; 23. inserting a block; 24. a gasket; 25. a sealing block; 3. a vent pipe; 4. an exhaust fan; 5. a partition plate; 6. an exhaust gas discharge chamber; 7. a neutralization collection chamber; 8. a waste gas treatment chamber; 9. a filter plate; 91. a frame; 92. a dust filter screen; 93. a lime board; 10. a separation plate; 11. a first communication pipe; 12. a condenser tube; 13. a second communicating pipe; 14. an absorbing cover; 15. a bellows; 16. an addition pipe; 17. and an anti-corrosion layer.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention;
please refer to fig. 1 ~ 3, the utility model discloses in, a special sour exhaust gas purification device of laboratory fume chamber, including fume chamber 1 and purification cabinet 2, ventilation pipe 3 that fixedly connected with is linked together between fume chamber 1 and the purification cabinet 2, install air exhauster 4 on the ventilation pipe 3, two baffles 5 of the inside fixedly connected with of purification cabinet 2, two baffles 5 cut apart the inside of fume chamber 1 into exhaust emission chamber 6 from left to right in proper order, well and collect chamber 7 and exhaust-gas treatment chamber 8, it has filter 9 to peg graft on the purification cabinet 2, the bottom of filter 9 extends to the inside of exhaust-gas treatment chamber 8 and with the inner wall sliding connection of exhaust-gas treatment chamber 8, well and two baffle 10 of the inside fixedly connected with of collecting chamber 7, well and the inside packing of collecting chamber 7 have capacity alkali lye, all interpenetrate first communicating pipe 11 on two baffle 10, the inside fixedly connected with condenser pipe 12 of exhaust emission chamber 6, the one end of condenser pipe 12 is linked together with the inside of ventilation pipe 3, all insert the second communicating pipe 13 rather than fixedly connected on two baffles 5, all interpenetrate first communicating pipe of exhaust emission chamber 6 and exhaust-gas treatment chamber 8 through the second bellows and exhaust-gas treatment chamber 14, all through the inside purification cover 15 and the purification cabinet 2, the absorption hood is connected with the absorption hood 15 is connected with the inside of collection chamber 2.
The utility model discloses in, through aiming at the experimental part with absorption cover 14, the inside formation negative pressure of air exhauster 4 circular telegram work at purifying cabinet 2, collect the fog that graphite digestion method experiment produced, then lead to the inside of exhaust-gas treatment chamber 8 through bellows 15, and filter the fog through filter 9, then through the second communicating pipe 13 on right side leading-in neutralization collection chamber 7's inside, and through the acidizing fluid in alkali lye and the fog carry out neutralization and retrieve, because the separator plate 10 separates into a plurality of alkali ponds with alkali lye, and be linked together through first communicating pipe 11, thereby can carry out neutralization reaction with the fog many times, improve acid-alkali neutralization effect, then air discharge after the neutralization to exhaust-gas discharge chamber 6's inside, reduce air temperature through condenser pipe 12, carry out the liquefaction collection with the moisture in the air, air after the dry purification discharges through ventilation cabinet 1 of ventilation pipe 3 leading-in, can purify the acid mist that graphite digestion method experiment produced, avoid acid mist liquefaction to corrode ventilation cabinet 1 equipment, play certain protection's effect, avoid the acid mist to directly to discharge to the atmosphere simultaneously, the environmental protection safety pollution, the experiment that leads to environmental protection more safety.
Wherein: the filter plate 9 comprises a frame 91, a dust filter screen 92 and a lime board 93 are sequentially arranged on the inner side of the frame 91 from right to left, and vent holes which are uniformly distributed are formed in the lime board 93.
The utility model discloses in, support dust filter screen 92 and lime slab 93 through frame 91, conveniently insert the installation from 2 tops of purifying cabinet, utilize dust filter screen 92 can carry out the preliminary collection to the dust in the air and filter, then the acid mist can carry out neutralization reaction with lime through lime slab 93, plays the preliminary purification effect, and filter 9 is convenient to be changed, has made things convenient for user's use.
Wherein: first communicating pipe 11 all is L shape with second communicating pipe 13, and the top fixed mounting of purifying cabinet 2 has interpolation pipe 16, and the bottom that adds pipe 16 extends to the inside of neutralization collection chamber 7, and the looks through-hole has all been seted up to the bottom of two separation plates 10, the back fixedly connected with delivery pipe of purifying cabinet 2.
The utility model discloses in, through adding 16 convenient to use person of pipe to the inside supplementary alkali lye of neutralization collection chamber 7 to guarantee the abundant of acid-base neutralization reaction, improve the neutralization collection effect to the acid mist, satisfy the purification demand, the delivery pipe is convenient to be discharged reaction solution.
Wherein: the inner surface of the purifying cabinet 2, the surface of the partition board 5 and the surface of the separating board 10 are all fixedly connected with an anti-corrosion layer 17, and the anti-corrosion layer 17 is made of ceramic paint.
The utility model discloses in, avoid the direct surface to the internal surface of purifying cabinet 2, baffle 5 and separation plate 10 of acid mist to cause the corruption through anticorrosive coating 17, life is higher.
Wherein: the inner walls of the absorption cover 14 and the corrugated pipe 15 are fixedly connected with protective films, and the protective films are polytetrafluoroethylene films.
The utility model discloses in, the protecting film prevents acid mist and absorbing hood 14 and 15 direct contact of bellows, improves the protecting effect to absorbing hood 14 and bellows 15, avoids causing the corruption to absorbing hood 14 and bellows 15.
Wherein, the purification cabinet 2 includes apron 21 and purification cabinet main part 22, and apron 21 passes through bolt fixed mounting on purification cabinet main part 22, installs sealed pad 24 between apron 21 and the purification cabinet main part 22, and the bottom fixed mounting of apron 21 has a plurality of inserted block 23, and the inboard fixed mounting of inserted block 23 has sealed piece 25, and sealed pad 24 and sealed piece 25 are made by polytetrafluoroethylene.
The utility model discloses in, through dismantling the bolt, can demolish apron 21 from the top of purifying cabinet main part 22, can clear up to exhaust emission chamber 6, neutralization collection chamber 7 and 8 inside remaining liquid in exhaust-gas treatment chamber, acidizing fluid, alkali lye, corrosives etc. keep 2 inside clean and tidy of purifying cabinet, ensure purifying cabinet 2 to the purifying effect of acid mist, made things convenient for experimenter's use.
The working principle is as follows: through aiming at the experimental part with the absorption cover 14, the inside formation negative pressure of air exhauster 4 circular telegram work at the purifying cabinet 2, collect the fog that graphite digestion method experiment produced, then lead to the inside of exhaust-gas treatment chamber 8 through bellows 15, and filter the fog through filter 9, then lead to the inside of neutralizing collection chamber 7 through second communicating pipe 13 on right side, and through the acidizing fluid in alkali lye and the fog carry out the neutralization and retrieve, because the separator plate 10 separates alkali lye into a plurality of alkali ponds, and be linked together through first communicating pipe 11, thereby can carry out neutralization reaction with the fog many times, improve acid-base neutralization effect, then air discharge after the neutralization to the inside of exhaust-gas discharge chamber 6, reduce air temperature through condenser pipe 12, carry out the liquefaction collection with the moisture in the air, the air after will drying the purification leads to fume hood 1 through ventilation pipe 3 and discharges, can purify the acid fog that graphite digestion method experiment produced, avoid acid fog liquefaction to corrode fume hood 1 equipment, play certain effect, avoid the direct emission to the atmosphere to pollute simultaneously, satisfy the demand of environmental protection more safety.
The foregoing is only a preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (6)
1. The utility model provides a special sour exhaust gas purification device of laboratory fume chamber, includes fume chamber (1) and purifying cabinet (2), its characterized in that: the waste gas treatment device is characterized in that a ventilation pipe (3) communicated with each other is fixedly connected between the ventilation cabinet (1) and the purification cabinet (2), an exhaust fan (4) is installed on the ventilation pipe (3), two partition plates (5) are fixedly connected to the inside of the purification cabinet (2), the two partition plates (5) divide the inside of the ventilation cabinet (1) into a waste gas discharge chamber (6), a neutralization collection chamber (7) and a waste gas treatment chamber (8) from left to right in sequence, a filter plate (9) is inserted into the purification cabinet (2), the bottom of the filter plate (9) extends into the inside of the waste gas treatment chamber (8) and is in sliding connection with the inner wall of the waste gas treatment chamber (8), two separation plates (10) are fixedly connected to the inside of the neutralization collection chamber (7), the inside of the neutralization collection chamber (7) is filled with sufficient alkali liquor, a first communication pipe (11) is inserted into each separation plate (10), a condensation pipe (12) is fixedly connected to the inside of the waste gas discharge chamber (6), one end of each condensation pipe (12) is communicated with the inside of the corresponding separation plate (5), a second communication pipe (13) is connected with each waste gas treatment chamber (7), an absorption cover (14) is arranged on the left side of the purification cabinet (2), and a corrugated pipe (15) is fixedly connected between the purification cabinet (2) and the absorption cover (14).
2. The acid exhaust gas purification device special for the laboratory fume hood according to claim 1, characterized in that: the filter plate (9) comprises a frame (91), a dust filtering net (92) and a lime board (93) are sequentially installed on the inner side of the frame (91) from right to left, and vent holes which are uniformly distributed are formed in the lime board (93).
3. The acid exhaust gas purification device special for the laboratory fume hood according to claim 1, characterized in that: first communicating pipe (11) all are L shape with second communicating pipe (13), the top fixed mounting of purifying cabinet (2) has interpolation pipe (16), the bottom that adds pipe (16) extends to the inside of well and collecting chamber (7), two the looks through-hole has all been seted up to the bottom of separator plate (10), the back fixedly connected with delivery pipe of purifying cabinet (2).
4. The special acid exhaust gas purification device for the laboratory fume hood according to claim 1, characterized in that: the inner surface of the purification cabinet (2), the surfaces of the partition plates (5) and the separation plate (10) are fixedly connected with an anti-corrosion layer (17), and the anti-corrosion layer (17) is made of ceramic paint.
5. The special acid exhaust gas purification device for the laboratory fume hood according to claim 1, characterized in that: the inner walls of the absorption cover (14) and the corrugated pipe (15) are fixedly connected with protective films, and the protective films are polytetrafluoroethylene films.
6. The acid exhaust gas purification device special for the laboratory fume hood according to claim 1, characterized in that: purification cabinet (2) includes apron (21) and purification cabinet main part (22), apron (21) are through bolt fixed mounting on purification cabinet main part (22), install sealed pad (24) between apron (21) and purification cabinet main part (22), the bottom fixed mounting of apron (21) has a plurality of inserted block (23), the inboard fixed mounting of inserted block (23) has sealed piece (25), sealed pad (24) and sealed piece (25) are made by polytetrafluoroethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221123618.3U CN217662521U (en) | 2022-05-11 | 2022-05-11 | Special sour exhaust gas purification device of laboratory fume chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221123618.3U CN217662521U (en) | 2022-05-11 | 2022-05-11 | Special sour exhaust gas purification device of laboratory fume chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217662521U true CN217662521U (en) | 2022-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221123618.3U Active CN217662521U (en) | 2022-05-11 | 2022-05-11 | Special sour exhaust gas purification device of laboratory fume chamber |
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| Country | Link |
|---|---|
| CN (1) | CN217662521U (en) |
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- 2022-05-11 CN CN202221123618.3U patent/CN217662521U/en active Active
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