CN114541825A - Air brake device for isolating peculiar smell gas and control method of air brake device - Google Patents
Air brake device for isolating peculiar smell gas and control method of air brake device Download PDFInfo
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- CN114541825A CN114541825A CN202210162574.3A CN202210162574A CN114541825A CN 114541825 A CN114541825 A CN 114541825A CN 202210162574 A CN202210162574 A CN 202210162574A CN 114541825 A CN114541825 A CN 114541825A
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- 238000004519 manufacturing process Methods 0.000 claims abstract description 51
- 238000005192 partition Methods 0.000 claims description 35
- 230000001939 inductive effect Effects 0.000 claims description 21
- 238000009423 ventilation Methods 0.000 claims description 20
- 230000006698 induction Effects 0.000 claims description 19
- 238000004891 communication Methods 0.000 claims description 17
- 239000011521 glass Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims 10
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- 238000007599 discharging Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H1/00—Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
- E04H1/12—Small buildings or other erections for limited occupation, erected in the open air or arranged in buildings, e.g. kiosks, waiting shelters for bus stops or for filling stations, roofs for railway platforms, watchmen's huts or dressing cubicles
- E04H1/1205—Small buildings erected in the open air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/008—Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves
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Abstract
The embodiment of the invention provides an air lock device for isolating peculiar smell gas and a control method of the air lock device. The air lock device for isolating the peculiar smell gas comprises an air lock chamber, an induced draft fan, an induced draft channel and an exhaust channel. The airlock room is used for communicateing workshop and production management district, the air intake setting of induced air passageway is in the airlock is outdoor and with external intercommunication, the air exit of induced air passageway and the inside intercommunication of airlock room, the air intake of passageway of airing exhaust the inside intercommunication of airlock room, the air exit setting of passageway of airing exhaust is in the outside of airlock room and with external intercommunication, the draught fan sets up on the induced air passageway to maintain through the draught fan operation the positive atmospheric pressure state of airlock room. Therefore, the air lock device for isolating the peculiar smell gas disclosed by the embodiment of the invention has the advantages of reducing the concentration of the peculiar smell gas in the air lock chamber and the production management area and improving the comfort level of workers.
Description
Technical Field
The invention relates to the technical field of purification equipment, in particular to an air lock device for isolating peculiar smell gas and a control method of the air lock device.
Background
In solid waste treatment plants (such as waste incineration power plants, pesticide production plants and the like), odor is generated in part of production plants, and besides the odor is purified, the prevention of gas diffusion is also a key and difficult point in plant construction. In order to save building area and investment, a production workshop and a production management area are arranged adjacently, and gas in the production workshop overflows to the management area, so that discomfort brought by production, management and visitors is caused.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. To this end, an embodiment of the present invention provides a damper device for isolating an odor gas. This a gas lock device for keeping apart peculiar smell gas has the gaseous concentration of peculiar smell in reduction gas lock room and the production management district, promotes staff's comfort level's advantage.
The embodiment of the invention also provides a control method of the air lock device for isolating the peculiar smell gas.
The air lock device for isolating the peculiar smell gas comprises an air lock chamber, an induced draft channel of an induced draft fan and an exhaust channel. The airlock room is used for communicateing workshop and production management district, the air intake setting of induced air passageway is in the outside of airlock room and with external intercommunication, the air exit of induced air passageway with the inside intercommunication of airlock room, the air intake of air exhaust passageway the inside intercommunication of airlock room, the air exit setting of air exhaust passageway is in the outside of airlock room and with external intercommunication, the draught fan sets up on the induced air passageway, so that pass through the fan operation is maintained the positive atmospheric pressure state of airlock room.
The air lock device for isolating the peculiar smell gas in the embodiment of the invention forms a circulating air flow channel with the air lock chamber through the air inducing channel and the air exhausting channel, so that the air circulation between the inside of the air lock chamber and the outside is improved; meanwhile, the induced air is arranged on the induced air channel, external air is introduced into the air lock chamber, so that the air pressure in the air lock chamber is higher than the outside, the air lock chamber has a positive air pressure state, a pressure gradient is formed between the air lock chamber and the production workshop and between the air lock chamber and the production management area, peculiar smell generated in the production workshop is inhibited from overflowing into the air lock chamber, the entering of peculiar smell gas in the production management area communicated with the production workshop through the air lock chamber is reduced, the concentration of the peculiar smell gas in the air lock chamber and the production management area is reduced, and the comfort level of workers in the air lock chamber and the production management area is improved.
Therefore, the air lock device for isolating the peculiar smell gas has the advantages of reducing the concentration of the peculiar smell gas in the air lock chamber and the production management area and improving the comfort of workers.
In some embodiments, the airlock room includes an airlock box and a communication channel disposed inside the airlock box, the airlock box includes a first side wall and a second side wall disposed opposite each other, each of the first side wall and the second side wall is connectable to the production shop and the production management area, and the communication channel is formed between the first side wall, the second side wall, and a bottom wall and a top wall of the airlock box.
In some embodiments, at least a portion of at least one of the first side wall and the second side wall includes an inner wall, an outer wall, and an airflow channel between the inner wall and the outer wall, a vertical partition board connecting the inner wall and the outer wall is disposed between the inner wall and the outer wall, and the vertical partition board divides the airflow channel so as to form the induced air channel and the exhaust air channel independent from each other.
In some embodiments, the inner wall and the outer wall of the airlock chamber are each made of a glass panel and a metal frame.
In some embodiments, the air lock box body comprises an air shower section and an air inducing section, the air inducing section is arranged at the upper end of the air shower section, the communication channel is arranged in the air shower section, the air inducing channel is divided into a first air inducing section and a second air inducing section extending in the vertical direction between the air shower section and the air inducing section through a first horizontal partition plate, and a first vent opening is formed in a region between the inner wall and the outer wall of the first horizontal partition plate.
In some embodiments, the air shower section has an air shower section inner wall and an air shower section outer wall, the air induction section includes an induced air section inner wall and an induced air section outer wall, the air shower section inner wall and the induced air section inner wall constitute the inner wall, the air shower section outer wall and the induced air section outer wall constitute at least a part of the outer wall, the air outlet of the induced air channel is disposed on the air shower section inner wall, the air outlet of the induced air channel communicates with the communication channel and the first induced air section, the air inlet of the induced air channel is disposed on the induced air section outer wall, and the air outlet of the induced air channel, the first induced air section, the second induced air section and the air inlet of the induced air channel constitute the induced air channel.
In some embodiments, the first horizontal partition plate is further provided with a second ventilation opening in a region between the inner wall and the outer wall, the second ventilation opening is communicated with the exhaust channel, and the air lock box further comprises an exhaust chamber section which is arranged at the upper end of the air induction chamber section.
In some embodiments, the air exhaust chamber section includes an air exhaust section outer wall, the air shower section outer wall and the air inducing section outer wall form the outer wall, an air inlet of the air exhaust channel is arranged in the air shower section and communicated with the communicating channel, an air outlet of the air exhaust channel is arranged on the air exhaust section outer wall, a second horizontal partition plate is arranged between the air exhaust chamber section and the air inducing chamber section, a third air inlet is arranged in a region between the inner wall and the outer wall of the second horizontal partition plate, and the third air inlet is communicated with the second air inlet.
In some embodiments, a third horizontal partition plate is arranged between the inner wall of the air showering section and the outer wall of the air showering section to divide a cavity between the inner wall of the air showering section and the outer wall of the air showering section into a lower air showering section and an upper air showering section, the air outlet of the air inducing channel is arranged at one section of the inner wall of the air showering section, which is located at the upper air showering section, the upper air showering section is communicated with the first air vent, the air inlet of the air exhausting channel is arranged at one section of the inner wall of the air showering section, which is located at the lower air showering section, the air inlet of the air exhausting channel is sequentially communicated with the second air vent, the third air vent and the air exhaust chamber section, and a fourth air vent is arranged on the third horizontal partition plate.
In some embodiments, the air outlet of the induced air channel is provided with a plurality of air outlets, and each air outlet is provided with a nozzle.
In some embodiments, the communication channel has a first end and a second end, wherein the first end is used for being connected with a production workshop, the second end is used for being connected with a production management area, each of the first end and the second end is provided with an induction door, and each induction door has an opening state and a closing state.
In some embodiments, a first induced draft fan and a second induced draft fan are arranged on the induced draft channel, so that the positive air pressure state of the air lock chamber is maintained by starting the number of the fans to operate according to the pressure in the air lock chamber.
A control method of a damper device for isolating an odorous gas, comprising:
adopt above-mentioned air brake device, when being in the current period of time, one of them induction door is opened, control system starts two fans and rotates, and when being in the non-current period of time, control system starts first draught fan and rotates, guarantees that the indoor pressure of air brake and the difference of atmospheric pressure are 15Pa-25 Pa.
In some embodiments, the air output of the first induced draft fan is L2 ═ 0.827 × a2 × Δ P1/2 × 1.25 × N2, the air output required for maintaining positive pressure is calculated, wherein L2: the air output/m required for reaching a specified positive pressure value when the door is closed3·h-1(ii) a A2, the sectional area of a single door seam per square meter; Δ P: the pressure difference/Pa between the inner side and the outer side of the air lock device door gap; n2: the total number of gates, N2 is more than or equal to 1.
In some embodiments, the air output of the second induced draft fan L1 ═ a1 × V3600, and the air output required for blocking the odor gas from entering the damper device, wherein L1 is the air output/m required for reaching the specified wind speed value when the door is opened3·h-1(ii) a A1, opening the cross-sectional area of the door per square meter; v: wind speed/m.s of door opening section-1。
Drawings
Fig. 1 is a schematic structural view of a damper device for isolating an odorous gas according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of an air shower section according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of an induced draft chamber section of one embodiment of the present invention;
FIG. 4 is a schematic view of the exhaust chamber section according to one embodiment of the present invention.
Reference numerals:
an air lock device 100;
an airlock 1; an air shower section 11; a lower air shower section 111; an upper air shower section 112; an inner wall 113 of the air shower section; an air shower section outer wall 114; an air induction chamber section 12; an inner wall 121 of the induced draft section; an induced draft section outer wall 122; an exhaust chamber section 13; an outer wall 131 of the exhaust section; a first horizontal partition 14; a first ventilation opening 141; a second ventilation opening 142; a second horizontal partition 15; a third vent 151; a third horizontal partition 16; a fourth vent 161; a vertical partition 17; an induction door 18;
a first side wall 101; a second sidewall 102;
an air lock box 201; a communication passage 202; a first end 2021; a second end 2022;
an induced draft channel 2; an air inlet 21 of the induced draft passage; an air outlet 22 of the induced air channel;
an exhaust passage 3; an air outlet 31 of the air exhaust passage; an air inlet 32 of the air exhaust passage;
a draught fan 4; a first induced draft fan 41; second induced draft fan 42.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
Hereinafter, a damper device 100 for isolating an odorous gas and a control method of the damper device 100 for isolating an odorous gas according to an embodiment of the present invention will be described with reference to fig. 1 to 4.
The air lock device 100 for isolating the peculiar smell gas in the embodiment of the invention comprises an air lock chamber 1, a draught fan 4, an induced draft channel 2 and an exhaust channel 3.
As shown in fig. 1 and 2, the air lock chamber 1 is used for communicating a production workshop with a production management area, an air inlet 21 of the induced air passage is arranged outside the air lock chamber 1 and is communicated with the outside, and an air outlet 22 of the induced air passage is communicated with the inside of the air lock chamber 1. An air inlet 32 of the air exhaust channel 3 is communicated with the inside of the air lock chamber 1, and an air outlet 31 of the air exhaust channel 3 is arranged outside the air lock chamber 1 and communicated with the outside. The induced draft fan 4 is arranged on the induced draft channel 2 so as to maintain the positive air pressure state of the airlock through the operation of the induced draft fan 4.
The air lock device 100 for isolating the peculiar smell gas of the embodiment of the invention forms a circulating air flow channel communicated with the outside with the air lock chamber 1 through the induced air channel 2 and the exhaust air channel 3, thereby improving the circulating speed of the inside of the air lock chamber 1 and the outside air. Meanwhile, the induced draft fan 4 is arranged on the induced draft channel 2, the outside air is introduced into the air lock chamber 1 through the induced draft fan 4, the air pressure inside the air lock chamber 1 is higher than the outside atmospheric pressure, so that the air lock chamber 1 has a positive air pressure state (the positive air pressure state is that the air pressure inside the air lock chamber 1 is higher than the outside atmospheric pressure), a positive air pressure difference of the air pressure is formed between the air lock chamber 1 and a production workshop, the peculiar smell generated in the production workshop is prevented from overflowing to the inside of the air lock chamber 1, the peculiar smell entering of a production management area communicated with the production workshop through the air lock chamber 1 is prevented, the concentration of the peculiar smell in the air lock chamber 1 and the production management area is reduced, and the comfort level of workers in the air lock chamber 1 and the production management area is improved.
According to the air lock device 100 for isolating the peculiar smell gas, the air outlet 22 of the air inducing channel is communicated with the interior of the air lock chamber 1 to form the air inducing channel 2, so that the peculiar smell gas on the clothes of the workers passing through the air lock chamber 1 can be sprayed to a certain extent, the peculiar smell gas adsorbed on the clothes of the workers passing through the air lock chamber 1 can be prevented from being brought into a production management area, and the concentration of the peculiar smell gas in the production management area is reduced.
Therefore, the air lock device 100 for isolating the odor gas according to the embodiment of the present invention has the advantages of reducing the concentration of the odor gas in the air lock chamber 1 and the production management area, and improving the comfort of the staff.
As shown in fig. 1 and 2, the airlock room 1 includes an airlock box 201 and a communication passage 202 provided in the airlock box 201, the airlock box 201 includes a first side wall 101 (e.g., left side in fig. 1) and a second side wall 102 (e.g., right side in fig. 1) which are oppositely provided, each of the first side wall 101 and the second side wall 102 is capable of being connected to a production shop and a production management area, and the communication passage 202 is formed between the bottom wall and the top wall of the airlock box 201, the first side wall 101, the second side wall 102.
The air lock device 100 for isolating peculiar smell gas in the embodiment of the invention communicates a production workshop with a production management area through the air lock box body 201, so that workers can conveniently pass through the communicating channel 202.
As shown in fig. 1 and 2, at least one of the first side wall 101 and the second side wall 102 includes an inner wall, an outer wall, and an airflow channel between the inner wall and the outer wall, a vertical partition 17 is disposed between the inner wall and the outer wall to connect the inner wall and the outer wall, and the airflow channel is divided by the vertical partition 17 so that the air inducing channel 2 and the air exhausting channel 3 are independent of each other. In other words, at least a portion of each of the first and second side walls 101 and 102 has an inner wall and an outer wall, and the inner wall and the outer wall are spaced apart to form an air flow channel; alternatively, at least a part of one of the first and second side walls 101 and 102 has an inner wall and an outer wall, and the vertical partition 17 divides the inner wall and the outer wall into the induction duct 2 and the discharge duct 3.
The air lock device 100 for isolating the peculiar smell gas in the embodiment of the invention improves the structural strength of the air lock chamber 1 by arranging the inner wall and the outer wall; in addition, the gap between the inner wall and the outer wall forms an air flow channel (the induced air channel 2 and the exhaust air channel 3), and additional installation of a duct for ventilation is not required, thereby simplifying the step of installing the damper device 100. In addition, compared with the installation of the ventilation duct, the air lock device 100 for isolating the odor gas according to the embodiment of the present invention has the advantages of large flow area and good air circulation effect by forming the air flow passage through the gap between the inner wall and the outer wall.
The air lock device 100 for isolating the peculiar smell gas in the embodiment of the invention divides the air flow channel into the air inducing channel 2 and the air exhausting channel 3 which are independent from each other through the vertical partition plate 17, so that the air circulation (air intake and air exhaust) in the air lock chamber 1 is not mutually facilitated, and the internal air circulation effect of the air lock chamber 1 is further improved.
Therefore, the damper device 100 for isolating odorous gas according to the embodiment of the present invention has the advantages of high strength, simple installation process, and good air circulation effect.
Alternatively, both the inner and outer walls of the airlock 1 are made of glass panels and metal frames. The structural strength of the airlock 1 is further increased.
As shown in fig. 1, the air lock box 201 includes an air shower section 11 and an induced air chamber section 12, the induced air chamber section 12 is disposed at an upper end (for example, up and down in fig. 1) of the air shower section 11, the communication channel 202 is disposed at the air shower section 11, the induced air channel 2 is divided into a first induced air section (not shown) and a second induced air section (not shown) by the first horizontal partition 14 between the air shower section 11 and the induced air chamber section 12, the first horizontal partition 14 is located between the inner wall and the outer wall, and the first ventilation opening 141 is opened in a region between the inner wall and the outer wall. It will be appreciated that the first induced air section is located in the air shower section 11 and the second induced air section is located in the air inducing section 12.
Optionally, the air shower section 11 has an air shower section inner wall 113 and an air shower section outer wall 114, the induced air section 12 includes an induced air section inner wall 121 and an induced air section outer wall 122, the air shower section inner wall 113 and the induced air section inner wall 121 form an inner wall, the air shower section outer wall 114 and the induced air section outer wall 122 form at least a part of an outer wall, the air outlet 22 of the induced air channel is disposed on the air shower section inner wall 113, the air outlet 22 of the induced air channel communicates with the communicating channel 202 and the first induced air section, the air inlet of the induced air channel is disposed on the induced air section outer wall 122, and the air outlet 22 of the induced air channel, the first induced air section, the second induced air section, and the air inlet 21 of the induced air channel form an induced air channel 2.
According to the air lock device 100 for isolating the peculiar smell gas, provided by the embodiment of the invention, the air lock box body 201 is divided into the air shower section 11 and the induced air chamber section 12, the first horizontal partition plate 14 is arranged between the air shower section 11 and the induced air chamber section 12, and the communication channel 202 is arranged in the air shower section 11, so that the area in the communication channel 202 is reduced, the power required by the induced draft fan 4 for maintaining a positive pressure state can be further reduced, and the effect of saving electric energy is achieved.
Optionally, the air shower section 11 and the induced draft section 12 are detachably connected. The difficulty of production and transportation is reduced.
As shown in fig. 1 and 2, the first horizontal partition 14 is further provided with a second ventilation opening 142 in the area between the inner wall and the outer wall, the second ventilation opening 142 is communicated with the exhaust channel 3, the air lock box 201 further comprises an exhaust chamber section 13, and the exhaust chamber section 13 is arranged at the upper end of the induced air chamber section 12.
Optionally, the air discharging chamber section 13 includes an air discharging section outer wall 131, the air showering section outer wall 114 and the induced air section outer wall 122 constitute outer walls of the first side wall 101 and/or the second side wall 102, the air inlet 22 of the air discharging channel is disposed in the air showering section 11 and is communicated with the communicating channel 202, the air outlet 31 of the air discharging channel is disposed with the air discharging section outer wall 131, a second horizontal partition 15 is disposed between the air discharging chamber section 13 and the induced air chamber section 12, a third ventilation opening 151 is disposed in a region between the inner wall and the outer wall of the second horizontal partition 15, and the third ventilation opening 151 is communicated with the second ventilation opening.
According to the air lock device 100 for isolating the peculiar smell gas, provided by the embodiment of the invention, the exhaust chamber section 13 is arranged, the second ventilation opening 142 is further formed in the area, between the inner wall and the outer wall, of the first horizontal partition plate 14, the third ventilation opening 151 is formed in the area, between the inner wall and the outer wall, of the second horizontal partition plate 15, the exhaust opening 31 of the exhaust channel 3 is arranged at the exhaust chamber section 13 (high position), so that the diffusion of the peculiar smell gas in other places of a plant area is reduced, and the concentration of the peculiar smell gas in other spaces where workers move in the plant area is reduced.
Optionally, the exhaust plenum section 13 and the induced draft plenum section 12 are removably connected.
In some embodiments, the air shower section 11, the induced draft chamber section 12 and the exhaust chamber section 13 can be detachably connected, so that the difficulty of production and transportation is reduced (the size of the air lock chamber 1 is too large).
Optionally, a gate is arranged on the exhaust port 31 of the exhaust channel 3, and the exhaust speed is limited by the gate, so that the circulation speed and the positive air pressure state of the air lock chamber 1 can be controlled according to actual requirements.
As shown in fig. 1 and fig. 2, a third horizontal partition is disposed between the inner wall 113 and the outer wall 114 of the air shower section to divide the cavity between the inner wall 113 and the outer wall 114 of the air shower section into a lower air shower section 111 and an upper air shower section 112, the air outlet 22 of the induced air channel is disposed at a section of the inner wall 113 of the air shower section located at the upper air shower section 112, the upper air shower section 112 is communicated with the first vent 141, the air inlet 32 of the exhaust air channel is disposed at a section of the inner wall 113 of the air shower section located at the lower air shower section 111, the air inlet 32 of the exhaust air channel is sequentially communicated with the second vent 142, the third vent 151 and the exhaust chamber section 13, and a fourth vent 161 is disposed on the third horizontal partition 15.
Specifically, according to the flow direction of the air, the air exhaust channel 3 includes a first air exhaust section, a second air exhaust section, a third air exhaust section and a fourth air exhaust section which are sequentially arranged, the third horizontal partition plate 16, the inner wall 113 of the air shower section, the outer wall 114 of the air shower section and the bottom of the air lock chamber 1 form the first air exhaust section, the second air exhaust section is located in the air shower section 11, the third air exhaust section is arranged in the air introducing section 12, the fourth air exhaust section is arranged in the air exhaust chamber section 13, the second air exhaust section is communicated with the third air exhaust section through the second vent 142, and the third air exhaust section is communicated with the fourth air exhaust section through the third air vent 151.
Optionally, a section of the inner wall located at the lower air showering section 111 is provided with a shutter, and the shutter is disposed at the air inlet 32 of the exhaust channel 3. The air inlet 32 of the air exhaust channel 3 is provided with a shutter which has good decoration.
As shown in fig. 1 and 4, a plurality of air outlets 22 of the induced air channels are provided, and a nozzle is provided on each air outlet 22 of the induced air channel. Specifically, the air outlets 22 of the induced air channel are arranged at intervals at a section of the inner wall 121 of the air showering section located at the upper air showering section 112, so as to blow off the odor attached to the surface of the clothes of the worker.
As shown in fig. 1 and 4, the communicating passage 202 has a first end 2021 and a second end 2022 which are oppositely arranged, the first end 2021 is used for communicating with a production workshop, the second end 2022 is used for communicating with a production management area, each of the first end 2021 and the second end 2022 is provided with a sensing door 18, each sensing door 18 has an open state and a closed state, and the sensing doors 18 are communicated with a control system, so that at most one sensing door 18 is in the open state. In other words, one of the two induction doors 18 is in the open state and the other induction door 18 is in the closed state, or both induction doors 18 are in the closed state.
The damper device 100 for isolating offensive odor according to the embodiment of the present invention controls at most one induction door 18 to be in an open state by providing the induction door 18 at the first end 2021 and the second end 2022 of the communication passage 202 which are oppositely disposed. So as to reduce the power of the induced draft fan 4 while maintaining the positive air pressure state in the air lock chamber 1.
As shown in fig. 1 and 4, the induced draft channel 2 is provided with a first induced draft fan 41 and a second induced draft fan 42, and both the first induced draft fan 41 and the second induced draft fan 42 are electrically connected with the control system to select the number of the start-up fans according to the pressure in the airlock 1, so as to maintain the positive air pressure state of the airlock 1 by controlling the operation of the fans. Optionally, a first induced draft fan 41 and a second induced draft fan 42 are provided in the induced draft section 12. The number of the induced draft fans 4 can be selected and started according to the specific air pressure of the air lock chamber 1 through the first induced draft fan 41 and the second induced draft fan 42, and the air pressure of the air lock chamber 1 can be adjusted more timely. Meanwhile, two draught fans are adopted to adjust the change of the air lock chamber 1, so that the condition that the draught fans are easy to burn out due to overlarge air pressure change can be avoided.
The control method of the damper device 100 for isolating the odor gas according to the embodiment of the present invention includes:
with the damper device 100, when the damper device is in the passing time period (the passing time period is when one induction door 18 is in the open state), the control system starts the two fans to rotate, and when the damper device is in the non-passing time period (both induction doors 18 are in the closed state), the control system starts the first induced draft fan 41 to rotate, so that the difference between the pressure in the damper chamber 1 and the atmospheric pressure is 15-25 Pa.
According to the control method of the air lock device 100 for isolating the peculiar smell gas, disclosed by the embodiment of the invention, the pressure in the air lock chamber 1 is maintained to be in the positive air pressure state through the air lock device 100, so that the concentration of the peculiar smell gas in the air lock chamber 1 and a production management area is reduced, and the comfort level of workers is improved. In addition, the difference between the pressure in the air lock chamber 1 and the atmospheric pressure is 15Pa-25Pa, and the difference can further reduce the power of the induced draft fan 4 while the peculiar smell gas in the production workshop enters the air lock chamber 1.
Alternatively, the air volume of the first induced draft fan 41 is L2 ═ 0.827 × a2 × P1/2 × 1.25 × N2, and the air volume required to maintain the positive pressure is calculated, where L2 is the air volume/m required to reach a predetermined positive pressure value when the door is closed3·h-1(ii) a A2, the sectional area of a single door seam per square meter; Δ P: the pressure difference/Pa between the inner side and the outer side of the door gap of the air lock device 100; n2: the total number of gates, N2 is more than or equal to 1. The air output L1 of the second induced draft fan 42 is a 1V 3600, and the air output required for blocking the odor gas from entering the air brake device 100 is L1, the air output required for reaching the specified air speed value when the door is opened/m3·h-1(ii) a A1, opening the cross-sectional area of the door per square meter; v: wind speed/m.s of door opening section-1. The air output of the first induced draft fan 41 is limited according to the specific parameters of the air lock device 100, the positive air pressure state of the air lock chamber 1 can be maintained more accurately, so that the peculiar smell gas in a workshop can be reduced to enter the air lock chamber 1, the concentration of the peculiar smell gas in a production management area connected with the air lock chamber 1 is reduced, and the comfort degree of workers in the air lock chamber 1 and the production management area is improved.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A damper device for isolating odorous gases, comprising:
the air lock chamber is used for communicating the production workshop with the production management area;
the air inlet of the induced air channel is arranged outside the air lock chamber and is communicated with the outside, the air outlet of the induced air channel is communicated with the inside of the air lock chamber, the air inlet of the exhaust air channel is communicated with the inside of the air lock chamber, and the air outlet of the exhaust air channel is arranged outside the air lock chamber and is communicated with the outside;
and the induced draft fan is arranged on the induced draft channel so as to maintain the positive air pressure state of the air lock chamber through the operation of the induced draft fan.
2. The airlock device for isolating off-flavor gases as claimed in claim 1, wherein the airlock chamber comprises an airlock box and a communication channel disposed inside the airlock box, the airlock box comprising oppositely disposed first and second sidewalls, each of the first and second sidewalls being connectable to the production shop and a production management area, the communication channel being formed between the first and second sidewalls and a bottom wall and a top wall of the airlock box.
3. The damper device for isolating an odorous gas according to claim 2,
at least one part of at least one of the first side wall and the second side wall comprises an inner wall, an outer wall and an airflow channel positioned between the inner wall and the outer wall, wherein a vertical partition plate for connecting the inner wall and the outer wall is arranged between the inner wall and the outer wall, and the vertical partition plate divides the airflow channel so as to ensure that the formed induced air channel and the formed exhaust air channel are mutually independent;
optionally, the inner wall and the outer wall of the airlock chamber are both made of glass panels and a metal frame.
4. The air brake device for isolating the peculiar smell gas according to claim 3, wherein the air brake box body comprises an air shower section and an air inducing chamber section, the air inducing chamber section is arranged at the upper end of the air shower section, the communication channel is arranged at the air shower section, the air inducing channel is divided into a first air inducing section and a second air inducing section which extend along the vertical direction by a first horizontal partition plate between the air shower section and the air inducing chamber section, and a first ventilation opening is formed in a region between the inner wall and the outer wall of the first horizontal partition plate;
optionally, the air shower section has an air shower section inner wall and an air shower section outer wall, the induced air section includes induced air section inner wall and induced air section outer wall, air shower section inner wall and induced air section inner wall constitute the inner wall, air shower section outer wall with induced air section outer wall has constituted at least a part of outer wall, the induced air passageway the air exit sets up on the air shower section inner wall, the induced air passageway the air exit intercommunication the intercommunication passageway with first induced air section, the air intake setting of induced air passageway is in on the induced air section outer wall, the induced air passageway the air exit, first induced air section second induced air section and the induced air passageway the air intake constitutes the induced air passageway.
5. The damper device for isolating off-flavor gases according to claim 4, wherein the first horizontal partition plate is further provided with a second ventilation opening in a region between the inner wall and the outer wall, the second ventilation opening is communicated with the exhaust passage, the damper box body further comprises an exhaust chamber section, and the exhaust chamber section is arranged at the upper end of the air induction chamber section;
optionally, the air discharge chamber section is including the section outer wall of airing exhaust, the section outer wall of airing exhaust with the air shower section outer wall with induced air section outer wall has constituted the outer wall, the air intake setting of the passageway of airing exhaust is in the air shower section and with the intercommunication passageway is linked together, the air exit of the passageway of airing exhaust sets up the section outer wall of airing exhaust, be equipped with the horizontal baffle of second between air discharge chamber section and the induced air chamber section, the horizontal baffle of second is located the inner wall with third ventilation opening has been seted up to the region between the outer wall, the third ventilation opening with the second ventilation opening is linked together.
6. The damper device for isolating odor gas according to claim 5, wherein a third horizontal partition plate is disposed between the inner wall of the air shower section and the outer wall of the air shower section to divide the cavity between the inner wall of the air shower section and the outer wall of the air shower section into a lower air shower section and an upper air shower section, the air outlet of the induced air channel is disposed at a section of the inner wall of the air shower section located at the upper air shower section, the upper air shower section is communicated with the first vent, the air inlet of the exhausted air channel is disposed at a section of the inner wall of the air shower section located at the lower air shower section, the air inlet of the exhausted air channel is communicated with the second vent, the third vent and the exhaust chamber section in sequence, and a fourth vent is disposed on the third horizontal partition plate.
7. The damper device for isolating offensive odor according to claim 6, wherein the air outlet of the induced air passage is provided in plurality, and each of the air outlets is provided with a nozzle.
8. The damper apparatus for isolating odorous gas according to claim 2, wherein the communication passage has a first end and a second end which are oppositely disposed, the first end is used for communicating with a production plant, the second end is used for communicating with a production management area, each of the first end and the second end is provided with an induction door, and each induction door has an open state and a closed state.
9. The damper device for isolating odorous gas according to claim 8, wherein a first induced draft fan and a second induced draft fan are arranged on the induced draft channel to maintain a positive air pressure state of the damper chamber by starting the number of the fans operated according to the pressure in the damper chamber.
10. A control method for a damper device for isolating an odorous gas, comprising:
the air brake device as claimed in claim 9, wherein one of the induction doors is opened to start the two fans to rotate when the air brake device is in a passing time period, and the control system starts the first induced draft fan to rotate when the air brake device is in a non-passing time period to ensure that the difference between the pressure in the air brake chamber and the atmospheric pressure is 15Pa-25 Pa;
optionally, the air volume of the first induced draft fan is L2 ═ 0.827 × a2 × Δ P1/2 × 1.25 × N2, and the air volume required for maintaining positive pressure is calculated, wherein L2 is the air volume/m required for reaching a predetermined positive pressure value when the door is closed3·h-1(ii) a A2, the sectional area of a single door seam per square meter; Δ P: the pressure difference/Pa between the inner side and the outer side of the air lock device door gap; n2: the total number of gates, N2 is more than or equal to 1;
optionally, the air output L1 of the second induced draft fan is a 1V 3600, and the air output required by the odor gas entering the damper device is blocked, wherein L1 is the air output/m required by the door to reach a specified air speed value when the door is opened3·h-1(ii) a A1, opening the cross-sectional area of the door per square meter; v: wind speed/m.s of door opening section-1。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210162574.3A CN114541825B (en) | 2022-02-22 | 2022-02-22 | Air gate device for isolating peculiar smell gas and control method of air gate device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210162574.3A CN114541825B (en) | 2022-02-22 | 2022-02-22 | Air gate device for isolating peculiar smell gas and control method of air gate device |
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| Publication Number | Publication Date |
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| CN114541825A true CN114541825A (en) | 2022-05-27 |
| CN114541825B CN114541825B (en) | 2024-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210162574.3A Active CN114541825B (en) | 2022-02-22 | 2022-02-22 | Air gate device for isolating peculiar smell gas and control method of air gate device |
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| US20040166795A1 (en) * | 2003-02-24 | 2004-08-26 | Karl-Hans Fuchs | Airlock system and method for protecting a toxic-free area |
| CN1699859A (en) * | 2004-05-21 | 2005-11-23 | Lg电子株式会社 | Ventilating system |
| CN103266787A (en) * | 2013-05-24 | 2013-08-28 | 中国电子***工程第二建设有限公司 | Air lock chamber |
| CN106424013A (en) * | 2016-09-30 | 2017-02-22 | 无锡净净化设备有限公司 | Air shower for heavily-polluted area |
| CN212190384U (en) * | 2020-03-11 | 2020-12-22 | 江苏大翔科技有限公司 | Safety inspection epidemic prevention wind leaching rooms |
| CN113931488A (en) * | 2020-06-29 | 2022-01-14 | 晶硕信息科技(苏州)有限公司 | Airlock and laboratory system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040166795A1 (en) * | 2003-02-24 | 2004-08-26 | Karl-Hans Fuchs | Airlock system and method for protecting a toxic-free area |
| CN1699859A (en) * | 2004-05-21 | 2005-11-23 | Lg电子株式会社 | Ventilating system |
| CN103266787A (en) * | 2013-05-24 | 2013-08-28 | 中国电子***工程第二建设有限公司 | Air lock chamber |
| CN106424013A (en) * | 2016-09-30 | 2017-02-22 | 无锡净净化设备有限公司 | Air shower for heavily-polluted area |
| CN212190384U (en) * | 2020-03-11 | 2020-12-22 | 江苏大翔科技有限公司 | Safety inspection epidemic prevention wind leaching rooms |
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| Publication number | Publication date |
|---|---|
| CN114541825B (en) | 2024-01-12 |
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