CN220257604U - Exhaust gas heat exchange energy-saving environment-friendly exhaust cabinet - Google Patents
Exhaust gas heat exchange energy-saving environment-friendly exhaust cabinet Download PDFInfo
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- CN220257604U CN220257604U CN202322273032.6U CN202322273032U CN220257604U CN 220257604 U CN220257604 U CN 220257604U CN 202322273032 U CN202322273032 U CN 202322273032U CN 220257604 U CN220257604 U CN 220257604U
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- heat exchange
- exhaust gas
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- 238000002474 experimental method Methods 0.000 claims abstract description 94
- 239000007789 gas Substances 0.000 claims abstract description 81
- 238000009833 condensation Methods 0.000 claims abstract description 66
- 230000005494 condensation Effects 0.000 claims abstract description 66
- 238000000746 purification Methods 0.000 claims abstract description 47
- 239000002912 waste gas Substances 0.000 claims abstract description 47
- 238000001914 filtration Methods 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 238000010992 reflux Methods 0.000 claims description 17
- 230000003584 silencer Effects 0.000 claims 1
- 239000002918 waste heat Substances 0.000 claims 1
- 238000007599 discharging Methods 0.000 abstract 1
- 239000003517 fume Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000001502 supplementing effect Effects 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005399 mechanical ventilation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses an energy-saving and environment-friendly exhaust cabinet for waste gas heat exchange, which comprises an experiment cabinet body, wherein an experiment table top is arranged on the experiment cabinet body, a purification area and a condensation area communicated with the purification area are arranged in the experiment cabinet body, a guide plate for guiding waste gas into the experiment cabinet body is arranged in the experiment cabinet body, a filtering mechanism for filtering the waste gas is arranged in the purification area, a heat exchanger for heat exchange of the waste gas is arranged in the condensation area, a waste gas outlet for discharging treated waste gas is arranged on the experiment cabinet body, the waste gas outlet is communicated with the condensation area, and a fresh air inlet and a fresh air outlet are arranged on the experiment cabinet body and are respectively communicated with the condensation area. The exhaust gas heat exchange energy-saving environment-friendly exhaust cabinet utilizes the exhaust gas temperature to reduce the temperature difference between fresh air and indoor temperature, and greatly reduces the power of the temperature-adjustable air conditioner fresh air system.
Description
Technical Field
The utility model relates to the technical field of laboratory waste gas treatment, in particular to a waste gas heat exchange energy-saving environment-friendly exhaust cabinet.
Background
A fume hood is usually arranged in a laboratory for exhausting waste gas (local exhaust), and can exhaust toxic and harmful gases, peculiar smell, inflammable and explosive gases or dust, corrosive gases, moisture and the like generated in the experimental process out of the laboratory to perform forced ventilation. The existing fume hood is usually designed to be an upper exhaust type, and air flows into the fume hood through the space between the bottom of the adjustable door and the table top (front rail), directly goes upward through upper, middle and lower air outlets and enters a gas collecting hood at the top of the fume hood to be gathered into an exhaust pipeline.
Energy efficiency is also one of the important concerns. Conventional ventilation systems typically introduce outdoor air into the room by means of mechanical ventilation, but such operation not only wastes energy, but also requires additional heating or cooling during the cool and warm seasons, with an increase in energy consumption.
In order to ensure the air temperature of a laboratory and the air quantity required by an exhaust cabinet, a laboratory with the exhaust cabinet can independently provide a set of temperature-adjustable air-conditioning fresh air system for the exhaust cabinet, and the air-conditioning fresh air system has huge power consumption, and the cold and hot waste gas of the treated waste gas in the laboratory is directly discharged to generate huge heat loss.
The existing exhaust gas heat exchange fume hood does not have the self-purification function of exhaust gas treatment before discharge, and the exhaust gas needs additional installation of an exhaust gas treatment device, so that the use cost is increased, and the exhaust gas heat exchange fume hood does not meet the environmental protection discharge standard of a laboratory.
Disclosure of Invention
The utility model aims to provide an exhaust gas heat exchange energy-saving environment-friendly exhaust cabinet.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an energy-concerving and environment-protective exhaust cabinet of waste gas heat exchange, includes the experiment cabinet body, be provided with the experiment mesa on the experiment cabinet body, the inside of the experiment cabinet body is provided with the purification zone to and the condensation zone of communicating with the purification zone, this experiment cabinet body be provided with be used for with the exhaust gas water conservancy diversion into the internal guide plate of the experiment cabinet, the inside of purification zone is provided with and is used for carrying out filterable filtering mechanism to waste gas, the inside of condensation zone is provided with the heat exchanger that carries out the heat exchange to waste gas, be provided with the exhaust gas air outlet that is used for handling back exhaust gas on the experiment cabinet body, exhaust gas air outlet communicates with the condensation zone, be provided with new trend air intake and new trend air outlet on the experiment cabinet body, new trend air intake and new trend air outlet communicate with the condensation zone respectively.
Further, the filtering mechanism comprises an air filter I and an exhaust gas purifier arranged at the lower end of the air filter.
Further, the outer end of the exhaust gas outlet is connected with an exhaust fan, and an exhaust muffler is arranged on the exhaust fan.
Further, the outer end of the fresh air inlet is connected with a fresh air fan, and a fresh air muffler is arranged on the fresh air fan.
Further, the lower end of the heat exchanger is provided with a condensate water reflux groove for collecting condensate water and a drain pipe communicated with the condensate water reflux groove, and the condensate water in the condensate water reflux groove is discharged through the drain pipe.
Further, an air filter II is arranged between the fresh air inlet and the condensation area.
Further, an air filter III is arranged between the fresh air outlet and the condensation area.
Further, an air filter IV is arranged between the purification area and the condensation area.
According to the technical scheme, the utility model has the following beneficial effects:
the exhaust gas heat exchange energy-saving environment-friendly exhaust cabinet is characterized in that when the temperature of air outside a laboratory is higher than that of air inside the laboratory through a purification area, a condensation area, an exhaust gas outlet, a fresh air inlet and a fresh air outlet, the fresh air inlet enters hot air, the treated exhaust gas in the laboratory is cold air, after heat exchange is carried out in a heat exchanger, the temperature of the hot air is reduced, the temperature difference between the hot air and the temperature of the air in the laboratory is reduced, and air supplementing is carried out for the exhaust cabinet; if the temperature of the air outside the laboratory is lower than that of the air inside the laboratory, the fresh air inlet enters cold air, the treated waste gas in the laboratory is hot air, after heat exchange is carried out in the heat exchanger, the temperature of the cold air is increased, the temperature difference between the cold air and the air inside the laboratory is reduced, and the effect of supplementing air for the exhaust cabinet is achieved; the temperature difference between the fresh air and the indoor temperature is reduced by utilizing the temperature of the waste gas, and the power of the fresh air system of the temperature-adjustable air conditioner is greatly reduced.
Drawings
FIG. 1 is a schematic view of the internal structure of a fume hood according to embodiment 1 of the present utility model;
FIG. 2 is a schematic diagram of a duct structure according to embodiment 1 of the present utility model;
FIG. 3 is a schematic overall structure of embodiment 1 of the present utility model;
fig. 4 is a schematic diagram of the internal structure of the exhaust hood according to embodiment 2 of the present utility model;
FIG. 5 is a schematic diagram of a duct structure according to embodiment 2 of the present utility model;
FIG. 6 is a schematic view showing the internal structure of a hood according to embodiment 3 of the present utility model;
FIG. 7 is a schematic diagram of a duct structure according to embodiment 3 of the present utility model;
fig. 8 is a schematic diagram of the internal structure of a fume hood according to embodiment 4 of the present utility model;
FIG. 9 is a schematic diagram of a duct structure according to embodiment 4 of the present utility model;
FIG. 10 is a schematic view showing the internal structure of a hood according to embodiment 5 of the present utility model;
FIG. 11 is a schematic diagram of a duct structure according to embodiment 5 of the present utility model;
fig. 12 is a schematic view of the internal structure of the exhaust hood according to embodiment 6 of the present utility model;
FIG. 13 is a schematic view of a duct structure according to embodiment 6 of the present utility model;
fig. 14 is a schematic front view of the exhaust hood according to the present utility model.
In the figure: 1. an experiment cabinet body; 110. a purification zone; 111. an air filter I; 112. an exhaust gas purifier; 120. a condensation zone; 121. a heat exchanger; 122. condensate water reflux groove; 123. a drain pipe; 2. a deflector; 3. an exhaust outlet; 4. a fresh air inlet; 5. fresh air outlet; 6. an air filter II; 7. an air filter III; 8. an air filter IV; 9. an exhaust fan; 10. an exhaust muffler; 11. fresh air blower; 12. fresh air muffler; 13. an air filter V; 14. air supplementing port; 15. an experiment table top; 16. and a side plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1, 3 and 14, the utility model provides an exhaust gas heat exchange energy-saving environment-friendly exhaust cabinet, which comprises an experiment cabinet body 1, wherein an experiment table top 15 is arranged on the experiment cabinet body 1, a purification area 110 is arranged at the lower end of the inside of the experiment cabinet body 1, a condensation area 120 is arranged on the right side of the inside of the experiment cabinet body 1, the purification area 110 is communicated with the condensation area 120 through a pipeline, a deflector 2 is arranged on the experiment table top of the experiment cabinet body 1, exhaust gas outside the experiment cabinet body is guided into the purification area through the deflector 2, a filtering mechanism is arranged in the purification area 110, two groups of filtering mechanisms are arranged, each filtering mechanism comprises an air filter one 111 and an exhaust gas purifier 112 arranged at the lower end of the air filter, demisting balls (materials with purification treatment effects on the exhaust gas) are arranged in the exhaust gas purifier 112, and the exhaust gas is filtered and purified through the filtering mechanism; the inside of the condensation zone 120 is provided with a heat exchanger 121, waste gas is subjected to heat exchange through the heat exchanger 121, the lower end of the heat exchanger 121 is provided with a condensate water reflux groove 122, the lower end of the condensate water reflux groove 122 is communicated with a drain pipe 123, condensate water generated by the heat exchanger 121 is collected by the condensate water reflux groove 122, and condensate water in the condensate water reflux groove is discharged through the drain pipe 123.
The upper end of the experiment cabinet body 1 is provided with an exhaust gas outlet 3, the exhaust gas outlet 3 is communicated with the condensation area, the experiment cabinet body 1 is provided with a fresh air inlet 4 and a fresh air outlet 5, the fresh air inlet 4 and the fresh air outlet 5 are respectively communicated with the condensation area, an air filter II 6 is arranged between the fresh air inlet 4 and the condensation area, and an air filter IV 8 is arranged between the purification area 110 and the condensation area 120.
The outer end of the waste gas exhaust port 3 is connected with an exhaust fan 9, an exhaust muffler 10 is arranged on the exhaust fan 9, the outer end of the fresh air inlet 4 is connected with a fresh air fan 11, and a fresh air muffler 12 is arranged on the fresh air fan 11.
Working principle: as shown in fig. 2, the waste gas enters the purifying area at the bottom end of the inner part of the experiment cabinet body through the guide plate, is purified through the first air filter and the waste gas purifier, then enters the condensing area at the right end of the cabinet body through the pipeline at the lower part and the fourth air filter, is subjected to heat exchange through the heat exchanger, then is discharged through the waste gas exhaust port, and the fresh air subjected to heat exchange enters the heat exchanger through the second air filter from the fresh air inlet, then enters the side plate 16 of the experiment cabinet body through the fresh air outlet, and is fed into the fresh air for the laboratory through the air supplementing port 14. The number of the heat exchangers of the cabinet heat exchanger can be correspondingly increased according to the difference of the temperature inside and outside the laboratory in the region.
Example 2
Referring to fig. 4-5, the utility model provides an exhaust gas heat exchange energy-saving environment-friendly exhaust cabinet, which comprises an experiment cabinet body 1, wherein an experiment table top is arranged on the experiment cabinet body 1, a purification area 110 is arranged at the lower end of the inside of the experiment cabinet body 1, a condensation area 120 is arranged at the upper end of the inside of the experiment cabinet body 1, the purification area 110 is communicated with the condensation area 120, a deflector 2 is arranged on the experiment table top of the experiment cabinet body 1, exhaust gas outside the experiment cabinet body is guided into the purification area by the deflector 2, two groups of filtering mechanisms are arranged in the purification area 110, each filtering mechanism comprises an air filter one 111 and an exhaust gas purifier 112 arranged at the lower end of the air filter, SDG is arranged in the exhaust gas purifier 112, and the exhaust gas is filtered and purified by the filtering mechanism; a heat exchanger 121 is provided in the condensation area 120, a condensed water return groove 122 is provided at a lower end of the heat exchanger 121, and heat exchange is performed on the exhaust gas through the heat exchanger 121.
The upper end of the experiment cabinet body 1 is provided with an exhaust gas outlet 3, the exhaust gas outlet 3 is communicated with the condensation area, the experiment cabinet body 1 is provided with a fresh air inlet 4 and a fresh air outlet 5, the fresh air inlet 4 and the fresh air outlet 5 are respectively communicated with the condensation area, an air filter II 6 is arranged between the fresh air inlet 4 and the condensation area, and an air filter IV 8 is arranged between the purification area 110 and the condensation area 120.
The outer end of the waste gas exhaust port 3 is connected with an exhaust fan 9, an exhaust muffler 10 is arranged on the exhaust fan 9, the outer end of the fresh air inlet 4 is connected with a fresh air fan 11, and a fresh air muffler 12 is arranged on the fresh air fan 11.
Working principle: as shown in fig. 5, the waste gas enters the purifying area at the bottom end of the inner part of the experiment cabinet body through the guide plate, is purified through the first air filter and the waste gas purifier, then enters the condensing area at the upper end of the cabinet body through the fourth air filter, is subjected to heat exchange through the heat exchanger, is discharged through the waste gas outlet, and the fresh air subjected to heat exchange enters the heat exchanger from the fresh air inlet through the second air filter, then enters the side plate of the experiment cabinet body through the fresh air outlet, and is supplied to the laboratory through the air supply port.
Example 3
Referring to fig. 6-7, the utility model provides an exhaust gas heat exchange energy-saving environment-friendly exhaust cabinet, which comprises an experiment cabinet body 1, wherein an experiment table top is arranged on the experiment cabinet body 1, a condensation area 120 is arranged at the lower end of the inside of the experiment cabinet body 1, a purification area 110 is arranged at the right end of the inside of the experiment cabinet body 1, the purification area 110 is communicated with the condensation area 120 through a pipeline, a guide plate 2 is arranged on the experiment table top of the experiment cabinet body 1, exhaust gas outside the experiment cabinet body is guided into the condensation area 120 through the guide plate 2, an air filter five 13 is arranged between the guide plate 2 and the condensation area 120, a heat exchanger 121 is arranged inside the condensation area 120, a condensate water reflux groove 122 is arranged at the lower end of the heat exchanger 121, heat exchange is performed on the exhaust gas through the heat exchanger 121, a filtering mechanism is arranged inside the purification area 110, the filtering mechanism comprises an air filter one 111, and an exhaust gas purifier 112 arranged at the upper end of the air filter one, active carbon is used in the exhaust gas purifier 112, and the exhaust gas is filtered and purified through the filtering mechanism.
The upper end of the experiment cabinet body 1 is provided with an exhaust gas outlet 3, the exhaust gas outlet 3 is communicated with a purification area 110, a fresh air inlet 4 and a fresh air outlet 5 are arranged on the experiment cabinet body 1, the fresh air inlet 4 and the fresh air outlet 5 are respectively communicated with a condensation area, and an air filter II 6 is arranged between the fresh air inlet 4 and the condensation area.
The outer end of the waste gas exhaust port 3 is connected with an exhaust fan 9, an exhaust muffler 10 is arranged on the exhaust fan 9, the outer end of the fresh air inlet 4 is connected with a fresh air fan 11, and a fresh air muffler 12 is arranged on the fresh air fan 11.
Working principle: as shown in fig. 7, the waste gas enters the condensation area at the bottom end inside the experimental cabinet body through the guide plate and the air filter five, exchanges heat through the heat exchanger, then enters the purification area through the pipeline, is discharged through the waste gas exhaust outlet after being purified through the air filter one and the waste gas purifier, and the fresh air subjected to heat exchange enters the heat exchanger from the fresh air inlet through the air filter two, then enters the side plate of the experimental cabinet body through the fresh air outlet, and supplements fresh air for a laboratory through the air supplementing opening.
Example 4
Referring to fig. 8-9, the utility model provides an exhaust gas heat exchange energy-saving environment-friendly exhaust cabinet, which comprises an experiment cabinet body 1, wherein an experiment table top is arranged on the experiment cabinet body 1, a purification area 110 is arranged on the right inside of the experiment cabinet body 1, a condensation area 120 is arranged at the upper end inside the experiment cabinet body 1, the purification area 110 is communicated with the condensation area 120, a deflector 2 is arranged on the experiment table top of the experiment cabinet body 1, exhaust gas outside the experiment cabinet body is guided into the purification area by the deflector 2, a filtering mechanism is arranged inside the purification area 110, the filtering mechanism comprises an air filter 111 and an exhaust gas purifier 112 arranged at the upper end of the air filter, demisting balls are arranged in the exhaust gas purifier 112, and the exhaust gas is filtered and purified by the filtering mechanism; the condensation zone 120 is provided with a heat exchanger 121 inside, a condensate water reflux tank 122 is provided at the lower end of the heat exchanger 121, the condensate water produced by the heat exchanger 121 is collected by the condensate water reflux tank 122, and the exhaust gas is heat exchanged by the heat exchanger 121.
The upper end of the experiment cabinet body 1 is provided with an exhaust gas outlet 3, the exhaust gas outlet 3 is communicated with the condensation area, the experiment cabinet body 1 is provided with a fresh air inlet 4 and a fresh air outlet 5, the fresh air inlet 4 and the fresh air outlet 5 are respectively communicated with the condensation area, an air filter II 6 is arranged between the fresh air inlet 4 and the condensation area, and an air filter IV 8 is arranged between the purification area 110 and the condensation area 120.
The outer end of the waste gas exhaust port 3 is connected with an exhaust fan 9, an exhaust muffler 10 is arranged on the exhaust fan 9, the outer end of the fresh air inlet 4 is connected with a fresh air fan 11, and a fresh air muffler 12 is arranged on the fresh air fan 11.
Working principle: as shown in fig. 9, the waste gas enters the purification area at the right end of the inner part of the experiment cabinet body through the guide plate, is purified through the first air filter and the waste gas purifier, then enters the condensation area at the upper end of the cabinet body through the fourth air filter, is subjected to heat exchange through the heat exchanger, is discharged through the waste gas exhaust outlet, and the fresh air subjected to heat exchange enters the heat exchanger from the fresh air inlet through the second air filter, then enters the side plate of the experiment cabinet body through the fresh air outlet, and is supplied to the laboratory through the air supply port.
Example 5
Referring to fig. 10-11, the utility model provides an exhaust gas heat exchange energy-saving environment-friendly exhaust cabinet, which comprises an experiment cabinet body 1, wherein an experiment table top is arranged on the experiment cabinet body 1, a condensation area 120 is arranged at the lower end of the inside of the experiment cabinet body 1, a purification area 110 is arranged at the upper end of the inside of the experiment cabinet body 1, the purification area 110 is communicated with the condensation area 120, a deflector 2 is arranged on the experiment table top of the experiment cabinet body 1, exhaust gas outside the experiment cabinet body is guided into the condensation area 120 through the deflector 2, an air filter five 13 is arranged between the deflector 2 and the condensation area 120, a heat exchanger 121 is arranged inside the condensation area 120, a condensate water reflux groove 122 is arranged at the lower end of the heat exchanger 121, heat exchange is carried out on the exhaust gas through the heat exchanger 121, a filtering mechanism is arranged inside the purification area 110, the filtering mechanism comprises an air filter one 111, and an exhaust gas purifier 112 arranged at the upper end of the air filter, active carbon is arranged in the exhaust gas purifier 112, and the exhaust gas is filtered and purified through the filtering mechanism.
The upper end of the experiment cabinet body 1 is provided with an exhaust gas outlet 3, the exhaust gas outlet 3 is communicated with a purification area 110, a fresh air inlet 4 and a fresh air outlet 5 are arranged on the experiment cabinet body 1, the fresh air inlet 4 and the fresh air outlet 5 are respectively communicated with a condensation area, and an air filter II 6 is arranged between the fresh air inlet 4 and the condensation area.
The outer end of the waste gas exhaust port 3 is connected with an exhaust fan 9, an exhaust muffler 10 is arranged on the exhaust fan 9, the outer end of the fresh air inlet 4 is connected with a fresh air fan 11, and a fresh air muffler 12 is arranged on the fresh air fan 11.
Working principle: as shown in fig. 11, the waste gas enters the condensation area at the bottom end inside the experimental cabinet body through the guide plate and the air filter five, enters the purification area after heat exchange through the heat exchanger, is discharged through the waste gas outlet after purification treatment through the air filter one and the waste gas purifier, and the fresh air subjected to heat exchange enters the heat exchanger through the air filter two from the fresh air inlet, then enters the side plate of the experimental cabinet body through the fresh air outlet, and supplements fresh air for a laboratory through the air supplementing opening.
Example 6
Referring to fig. 12-13, the utility model provides an exhaust gas heat exchange energy-saving environment-friendly exhaust cabinet, which comprises an experiment cabinet body 1, wherein an experiment table top is arranged on the experiment cabinet body 1, a purification area 110 is arranged at the upper end of the inside of the experiment cabinet body 1, a condensation area 120 is arranged at the right side of the inside of the experiment cabinet body 1, the purification area 110 is communicated with the condensation area 120, a deflector 2 is arranged on the experiment table top of the experiment cabinet body 1, exhaust gas outside the experiment cabinet body is guided into the condensation area by the deflector 2, a heat exchanger 121 is arranged in the condensation area 120, the exhaust gas is subjected to heat exchange by the heat exchanger 121, a condensate water reflux groove 122 is arranged at the lower end of the heat exchanger 121, a drain pipe 123 is communicated with the lower end of the condensate water reflux groove 122, and condensate water generated by the heat exchanger 121 (condensate water generated by sweat wiping at two sides of an exhaust gas exhaust channel and a fresh air inlet channel) is discharged by the drain pipe 123. The purification area 110 is internally provided with a filtering mechanism comprising an air filter one 111 and an exhaust gas purifier 112 arranged at the upper end of the air filter one, wherein SDG is arranged in the exhaust gas purifier 112, and the exhaust gas is filtered and purified through the filtering mechanism.
The upper end of the experiment cabinet body 1 is provided with an exhaust gas outlet 3, the exhaust gas outlet 3 is communicated with a purification area, the experiment cabinet body 1 is provided with a fresh air inlet 4 and a fresh air outlet 5, the fresh air inlet 4 and the fresh air outlet 5 are respectively communicated with a condensation area, an air filter II 6 is arranged between the fresh air inlet 4 and the condensation area, and an air filter III 7 is arranged between the fresh air outlet 5 and the condensation area.
The outer end of the waste gas exhaust port 3 is connected with an exhaust fan 9, an exhaust muffler 10 is arranged on the exhaust fan 9, the outer end of the fresh air inlet 4 is connected with a fresh air fan 11, and a fresh air muffler 12 is arranged on the fresh air fan 11.
Working principle: as shown in fig. 13, the waste gas enters the condensation area at the right end of the inner part of the experiment cabinet body through the guide plate, enters the purification area after heat exchange through the heat exchanger, is purified through the air filter I and the waste gas purifier, is discharged through the waste gas outlet, and the heat exchanged fresh air enters the heat exchanger from the fresh air inlet through the air filter II, is discharged through the air filter III of the fresh air outlet and enters the side plate of the experiment cabinet body, and is supplied to the laboratory through the air supply port.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an energy-concerving and environment-protective exhaust cabinet of waste gas heat exchange, includes experiment cabinet body (1), be provided with experiment mesa on the experiment cabinet body (1), its characterized in that, the inside of experiment cabinet body (1) is provided with purification zone (110) to and condensation zone (120) with purification zone intercommunication, this experiment cabinet body (1) is provided with guide plate (2) that are used for advancing the waste gas water conservancy diversion into the inside of experiment cabinet, the inside of purification zone (110) is provided with and is used for carrying out filterable filtering mechanism to waste gas, the inside of condensation zone (120) is provided with heat exchanger (121) to waste gas heat exchange, be provided with on the experiment cabinet body (1) and be used for handling back exhaust gas exhaust outlet (3), exhaust gas exhaust outlet (3) and condensation zone intercommunication, be provided with fresh air intake (4) and fresh air outlet (5) on the experiment cabinet body (1), fresh air intake (4) and fresh air outlet (5) communicate with the condensation zone respectively.
2. The exhaust gas heat exchange energy-saving environment-friendly exhaust cabinet according to claim 1, wherein: the filter mechanism includes an air filter one (111), and an exhaust gas purifier (112) provided at a lower end of the air filter.
3. The exhaust gas heat exchange energy-saving environment-friendly exhaust cabinet according to claim 2, wherein: the outer end of the waste gas outlet (3) is connected with an exhaust fan (9), and an exhaust silencer (10) is arranged on the exhaust fan (9).
4. A waste heat exchange energy saving and environment friendly exhaust hood according to claim 3, wherein: the outer end of the fresh air inlet (4) is connected with a fresh air fan (11), and a fresh air muffler (12) is arranged on the fresh air fan (11).
5. The exhaust gas heat exchange energy-saving environment-friendly exhaust cabinet according to claim 1, wherein: the lower end of the heat exchanger (121) is provided with a condensed water reflux groove (122) for collecting condensed water and a drain pipe (123) communicated with the condensed water reflux groove, and the condensed water in the condensed water reflux groove is discharged through the drain pipe (123).
6. The exhaust gas heat exchange energy-saving environment-friendly exhaust cabinet according to claim 1, wherein: an air filter II (6) is arranged between the fresh air inlet (4) and the condensation area.
7. The exhaust gas heat exchange energy-saving environment-friendly exhaust cabinet according to claim 1, wherein: an air filter III (7) is arranged between the fresh air outlet (5) and the condensation area.
8. The exhaust gas heat exchange energy-saving environment-friendly exhaust cabinet according to claim 1, wherein: an air filter IV (8) is arranged between the purification area (110) and the condensation area (120).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322273032.6U CN220257604U (en) | 2023-08-23 | 2023-08-23 | Exhaust gas heat exchange energy-saving environment-friendly exhaust cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322273032.6U CN220257604U (en) | 2023-08-23 | 2023-08-23 | Exhaust gas heat exchange energy-saving environment-friendly exhaust cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220257604U true CN220257604U (en) | 2023-12-29 |
Family
ID=89311382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322273032.6U Active CN220257604U (en) | 2023-08-23 | 2023-08-23 | Exhaust gas heat exchange energy-saving environment-friendly exhaust cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220257604U (en) |
-
2023
- 2023-08-23 CN CN202322273032.6U patent/CN220257604U/en active Active
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