WO2019098442A1 - Appareil de collecte de gaz nocif et de séparation de poussière - Google Patents

Appareil de collecte de gaz nocif et de séparation de poussière Download PDF

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Publication number
WO2019098442A1
WO2019098442A1 PCT/KR2017/013486 KR2017013486W WO2019098442A1 WO 2019098442 A1 WO2019098442 A1 WO 2019098442A1 KR 2017013486 W KR2017013486 W KR 2017013486W WO 2019098442 A1 WO2019098442 A1 WO 2019098442A1
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WIPO (PCT)
Prior art keywords
exhaust gas
water
gas
dust
mixing
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Application number
PCT/KR2017/013486
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English (en)
Korean (ko)
Inventor
황춘상
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황춘상
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Publication of WO2019098442A1 publication Critical patent/WO2019098442A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
    • B01D50/40—Combinations of devices covered by groups B01D45/00 and B01D47/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
    • B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath

Definitions

  • the present invention relates to a harmful gas collecting and dust separating apparatus, and more particularly, to a harmful gas collecting and dust separating apparatus for collecting polluted exhaust gas such as gas generated during food cooking as well as soot of automobiles and separating only harmful substances contained in the exhaust gas To a harmful gas collecting and dust separating apparatus which emits only pure exhaust gas through a process.
  • a probe of the exhaust gas measuring instrument is inserted into a muffler of a vehicle. Since the probe is formed in a tube shape having a diameter smaller than that of the muffler, There is a problem that the exhaust gas is directly exposed to the outside during the process.
  • Korean Patent Registration No. 10-0373112 discloses an automobile exhaust pipe having a water trap, a radiating fin and an air supply device.
  • the automobile exhaust pipe includes a venturi pipe for atomizing the rinse water from a water reservoir for storing rinse water, A centrifugal separator for separating the water in the exhaust gas by a separating force, a sedimentation tank for collecting the liquid treated water flowing in the exhaust pipe, a filter installed at the bottom of the sedimentation tank, and a circulation pump connected by a hose to the filter.
  • a venturi pipe for atomizing the rinse water from a water reservoir for storing rinse water
  • a centrifugal separator for separating the water in the exhaust gas by a separating force
  • a sedimentation tank for collecting the liquid treated water flowing in the exhaust pipe
  • a filter installed at the bottom of the sedimentation tank
  • a circulation pump connected by a hose to the filter.
  • the above-described conventional technique is an environmentally friendly automotive exhaust gas apparatus that collects automobile exhaust gas as water, and is excellent in the function of purifying nitrogen compounds (NOx) and sulfur dioxide (SOx), which are noxious gases including particulate matter
  • NOx nitrogen compounds
  • SOx sulfur dioxide
  • the applicant of the present invention has found that, even if it does not have a device for measuring exhaust gas such as a pump, an injector, a sensor DPF, and a ceramic filter as in Korean Patent Application No. 10-2016-0155904, So that the noxious gas is effectively discharged to the outside so as not to discharge the noxious gas to the outside.
  • the above-mentioned patent of the applicant of the present invention has a simple structure but has a large volume, and thus is not effective in mobility. Further, the efficiency of collection varies depending on whether the opening and closing plate is open or closed, There is a problem that the gas can not be received uniformly.
  • the present invention has been devised in order to solve the above-mentioned problems, and it is an object of the present invention to provide a method and apparatus for collecting polluted exhaust gas such as gas generated during food cooking, And separating the harmful gas from the exhaust gas and discharging only the pure exhaust gas through the separation process.
  • the present invention also relates to a method of separating a water-soluble noxious gas contained in an exhaust gas while sucking an exhaust gas through a collecting fan, separating the noxious gas into water and performing secondary separation using a centrifugal force generated according to the discharge speed of the exhaust gas And the exhaust gas is discharged to the outside after removing harmful substances contained in the exhaust gas through the exhaust gas collecting and dust separating apparatus.
  • a folding bar is connected to a discharge member through which the exhaust gas is secondarily separated and discharged, and the noxious gas capturing and dust separating apparatus is made compact in its entire size by the folding process of the folding bar, And it is an object of the present invention to provide a harmful gas collection and dust separation device which is easy to carry and maximize mobility.
  • an exhaust gas purifying apparatus comprising: a gas inlet pipe through which exhaust gas is introduced; A mixing unit connected to the gas inlet pipe for mixing and discharging the introduced exhaust gas and water; And a separating unit connected to the mixing unit to supply the water and to separate the water-soluble noxious gas contained in the exhaust gas, wherein the mixing unit is configured to mix the exhaust gas with the exhaust gas, And a secondary mixing section for performing secondary mixing while rotating the exhaust gas and the water mixed with the primary mixture.
  • a connection pipe connected to the gas inlet pipe and coupled to the separating portion at an upper portion to primarily mix the exhaust gas and water;
  • a collecting fan for sucking the exhaust gas and water;
  • a mixing disk configured between the connection pipe and the collecting fan to mix the primary mixed exhaust gas with water to mix the secondary mixed gas so that the noxious gas contained in the exhaust gas is included in the water;
  • An outflow pipe connected to the mixing disk for discharging the exhaust gas and the water mixed in the secondary;
  • a transfer pipe connected to the outflow pipe at a lower end thereof for transferring the secondarily mixed exhaust gas and water to the separator.
  • connection clamp is further provided on the outer circumferential surface of the connection pipe to support the connection with the gas inlet pipe and the separation part, and to prevent leakage and outflow of the exhaust gas and water .
  • the separator includes a primary separator connected to the mixing unit to receive the mixed exhaust gas and water and to separate the water-soluble noxious gas contained in the exhaust gas; And a secondary separator formed in the primary separator and separating the remaining water-soluble noxious gas while the exhaust gas having undergone the primary separation is introduced into the lower part.
  • the primary separation unit may include a separation induction housing for rotating the water containing the exhaust gas and the water-soluble noxious gas along an inner circumferential surface thereof by a centrifugal force; And a cyclone unit coupled to a lower portion of the separation induction housing and separating the water-soluble noxious gas contained in the exhaust gas while rotating the exhaust gas and the water.
  • the separation induction housing may include a discharge pipe connected to the transfer pipe to discharge the mixed exhaust gas and water, and to establish a contact with the circumferential surface of the separation induction housing; And a separation inducing unit for allowing centrifugal force to act on the mixed exhaust gas discharged from the discharge pipe and water along the inner circumferential surface.
  • the cyclone portion collects dusts constituting the water-soluble noxious gas contained in the water to which the centrifugal force is applied while allowing the water to fall, and only the exhaust gas in the state in which the water- .
  • the secondary separation unit includes an inner surface portion for separating fine dust particles contained in the exhaust gas by a centrifugal force while rotating the supplied exhaust gas along the inner circumferential surface, A discharge hole for discharging dust of small particles separated from the exhaust gas to the inside of the primary separator, and a discharge hole for discharging only the pure exhaust gas from which the dust is separated .
  • the secondary separation unit further includes a discharge induction plate formed on the inner surface portion, for separating dust particles of small particles contained in the supplied exhaust gas and discharging the dust particles to the discharge holes .
  • the mixing unit further comprises a variable venturi unit for controlling the supply amount of water according to an inflow amount of the gas flowing through the gas inflow pipe.
  • the noxious gas capturing and dust separating apparatus includes a supporting frame to which the mixing unit and the separating unit are mounted and a moving wheel is disposed at a lower portion thereof, and a device for measuring the degree of contamination of the exhaust gas And a frame portion including a stationary frame to be mounted is further configured.
  • the frame part further includes a folding frame for moving the separating part to a position adjacent to the mixing part through a two-step folding process.
  • the water-soluble noxious gas contained in the exhaust gas is sucked into the water while sucking the exhaust gas through the collecting fan and is primarily separated, and by using the centrifugal force generated according to the discharge speed of the exhaust gas It is possible to efficiently collect and purify the exhaust gas even when there is no equipment such as an expensive sensor or an injector, because it is configured to remove the harmful substances contained in the exhaust gas through the second separation process.
  • a folding bar is connected to a discharge member through which the exhaust gas is secondarily separated and discharged, and the noxious gas collecting and dust separating device is made compact in its entire size by the folding process of the folding bar So that it is easy to store and carry, and the mobility can be maximized.
  • FIG. 1 and 2 are perspective views showing a harmful gas collection and dust separation apparatus according to an embodiment of the present invention
  • FIG. 3 is a cross-sectional view of a principal part of a harmful gas collection and dust separation apparatus according to an embodiment of the present invention
  • FIG. 4 and FIG. 5 are assembly sectional views showing a discharge member of a noxious gas capturing and dust separation apparatus according to an embodiment of the present invention
  • FIG. 6 is a cross-sectional view schematically showing a mixing unit of a harmful gas collection and dust separation apparatus according to an embodiment of the present invention
  • FIG. 7 and 8 are views showing a folding process of the noxious gas capturing and dust separation apparatus according to an embodiment of the present invention
  • FIG. 9 is a view showing another embodiment of the water supply unit of the harmful gas collection and dust separation apparatus according to the embodiment of the present invention.
  • the present invention relates to an apparatus for separating noxious gas and dust, comprising: a gas inlet pipe through which exhaust gas is introduced; A mixing unit connected to the gas inlet pipe to mix the exhaust gas with water while collecting the exhaust gas; A primary separator connected to the mixing unit to supply the water and to primarily separate the water-soluble noxious gas contained in the exhaust gas using a centrifugal force; A secondary separator disposed in the primary separator and separating the water-soluble noxious gas remaining after the primary exhaust gas is introduced into the lower part; And a frame portion to which the mixing portion and the primary and secondary separating portions are attached and which connects the primary separating portion to the mixing portion by a two-stage folding structure.
  • water is used as a medium for separating the water-soluble noxious gas.
  • the present invention is not limited to this, and it may be made of various types of medicines for treating noxious gas, dust, Ethanol, methanol aqueous solution, urea water for capturing nitrogen oxides, and lime water for capturing carbon dioxide, which can be used even in winter outdoors.
  • the water-soluble noxious gas is separated from the exhaust gas.
  • the water-soluble noxious gas but also the PM particles such as fine dust are separated.
  • FIG. 1 is a perspective view of a harmful gas collecting and dust separating apparatus according to an embodiment of the present invention
  • FIG. 3 is a perspective view of a harmful gas collecting and dust separating apparatus according to an embodiment of the present invention
  • FIG. 6 is a cross-sectional view schematically showing a mixing unit of a noxious gas capturing and dust separating apparatus according to an embodiment of the present invention
  • FIGS. 7 and 8 are views showing a harmful gas collecting and dust collecting apparatus according to an embodiment of the present invention. And a folding process of the dust separating apparatus.
  • the apparatus for separating and collecting noxious gas comprises a gas inflow pipe 102 through which exhaust gas is introduced, and a gas inflow pipe 102 connected to the gas inflow pipe 102, A first separator 120 connected to the mixing unit 110 to separate water-soluble noxious gas contained in the exhaust gas, a second separator 120 connected to the first separator 120, The exhaust gas having the primary separation of the water-soluble noxious gas is introduced into the lower part, and the remaining small particulate dusts are separated secondarily, and at the same time, the secondary separation
  • the mixing unit 110 and the separating unit are mounted on the upper surface of the mixing unit 110 and the separator 130 and the gas inlet pipe 102, (Not shown) It is configured to hereinafter.
  • the gas inlet pipe 102 is connected to the muffler of the vehicle and connected to the muffler so that the exhaust gas discharged through the muffler flows into the muffler so that the exhaust gas can be prevented from flowing out.
  • the gas inflow pipe 102 is connected to and coupled to a muffler of an automobile.
  • the gas inflow pipe 102 may be used for collecting exhaust gas discharged from a home, a restaurant, a medical service, or the like.
  • One end of the mixing unit 110 is connected to the gas inlet pipe 102 so that an exhaust gas containing a water-soluble noxious gas is introduced into the mixing unit 110.
  • the mixing unit 110 mixes the introduced exhaust gas with water, .
  • the mixing unit 110 is tightly coupled to the gas inlet pipe 102 at one end thereof to introduce exhaust gas such as soot.
  • exhaust gas such as soot.
  • a connection pipe 212 is formed on an upper surface of the first separator 120 to which the lower end of the cyclone 320 is connected.
  • connection clamp 212a for preventing the leakage of gas and the outflow of water can be further configured.
  • the collecting fan 220 is disposed at the other end of the mixing unit 110 on the same axis as the connecting pipe 212.
  • the collecting fan 220 sucks exhaust gas and water by a predetermined suction force.
  • a fan mounting portion 218 is formed.
  • the collecting fan 220 may be a conventional sirocco fan, but is not limited thereto.
  • the mixing unit 110 is formed between the connection pipe 212 and the fan mounting unit 218 and mixes the exhaust gas and the water flowing through the connection pipe 212 with each other, Out portion 216 to be discharged to the primary separation portion 120 is formed.
  • the outflow unit 216 includes a separation induction housing 310 formed in the primary separation unit 120 and a transfer pipe 104 for discharging the exhaust gas and the water mixed by the mixing disk 230 Are connected to each other.
  • the mixing unit 110 is installed between the connecting pipe 212 and the collecting fan 220. Exhaust gas and water mixed at the same time are simultaneously supplied through the connecting pipe 212 and mixed, A mixing guide 214 is formed to allow water-soluble noxious gas contained in the gas to be contained in the water, and the water-soluble noxious gas is transferred to the primary separator 120 in a wet state with water.
  • the mixing guide 214 is connected at one end to the connection pipe 212 and at the other end to the fan mounting portion 218.
  • the mixing guide 214 includes a collecting fan 220, So that dust such as water-soluble noxious gas is wetted by water to heavily weight the dust, and at the same time, exhausted gas and water, which have been mixed with each other, And a mixing disk 230 for discharging the mixing disk 230 to the outside.
  • connection pipe 212 primary mixing is performed inside the connection pipe 212 by the flow rate of the exhaust gas supplied to the connection pipe 212 and the weight of water supplied from the cyclone part 320,
  • the mixed exhaust gas and water are supplied to the interior of the mixing disk 230 so that secondary mixing is performed while turning along the inner circumferential surface of the mixing disk 230.
  • the mixed exhaust gas and water are discharged to the outlet 216, And is discharged to the separation induction housing 310 of the primary separation unit 120 through the transfer unit 104 connected to the primary separation unit 120.
  • the mixing unit 110 of the present invention includes a primary mixing unit that primarily mixes the exhaust gas with the flow rate of the exhaust gas and the weight of water of the connection pipe 212 and the connection pipe 212, And a mixing disk 230 that mixes the supplied exhaust gas and water while rotating the supplied exhaust gas and water when the exhaust gas and the water that are primarily mixed by the mixer 212 are mixed while being rotated.
  • the transfer unit 104 is connected to the discharge pipe 216 having the lower part connected to the discharge part 216 and the upper part connected to the discharge pipe 312 formed in the separation induction housing 310, .
  • the trapping fan 220 and the mixing disk 230 are incorporated in the mixing unit 110, so that the volume of the harmful gas trapping apparatus can be made more compact than that of the conventional trapping apparatus.
  • the exhaust gas is mixed with the water before the exhaust gas and the water are supplied to the secondary separators 120 and 130 to further maximize the efficiency of separation and collection of dust such as water-soluble harmful substances contained in the exhaust gas You can.
  • the connecting pipe 212 of the present invention may further include a variable venturi unit 240 for controlling the supply amount of water according to the inflow amount of the gas flowing through the gas inflow pipe 102 have.
  • variable venturi unit 240 is formed to be bent from the lower end of the cyclone unit 320 of the primary separation unit 120 toward the mixing guide unit 214 so that water is supplied from the cyclone unit 320
  • the cyclone part 320 may be further formed with a water jetting member 324 formed on the open end side of the water supply pipe 242 and spraying the particles with a particle of a predetermined size or less while the supplied water collides , But is not limited thereto.
  • the water supply pipe 244 and the opening and closing plate 244 are connected to each other by a water supply pipe 242 during closing operation of the opening and closing plate 244,
  • the first and second elastic members 242a and 244a may be further provided to prevent noise or damage from colliding with the rotary hinge 246.
  • a leaf spring (not shown) may be further provided to provide an elastic restoring force so that the closing operation can be automatically performed, but the present invention is not limited thereto.
  • the primary separation unit 120 separates the exhaust gas discharged through the transfer pipe 104 from the water containing the water-soluble noxious gas and upwardly supplies the exhaust gas to the secondary separation unit 130 to perform secondary separation
  • a separation induction housing 310 coupled to the lower portion of the separation induction housing 310 for separating the exhaust gas from the water containing the water soluble noxious gas
  • a cyclone unit 320 for separating the separated exhaust gas and discharging the separated exhaust gas to the secondary separator 130.
  • the separation induction housing 310 is formed with a discharge pipe 312 through which an upper part of the transfer pipe 104 is connected to an upper outer circumferential surface to discharge the exhaust gas and water.
  • the discharge pipe 312 communicates with the transfer pipe 104.
  • the discharge pipe 312 When discharging the water containing the exhaust gas and the water-soluble noxious gas, the discharge pipe 312 is connected to the separation inducing portion 316 forming the inner wall surface of the separation inducing housing 310 A discharge hole 314 is formed so that discharge can be performed.
  • the discharge hole 314 is formed so that its axis is in contact with the circumferential surface of the separation inducing portion 316. Water containing the exhaust gas and the water soluble noxious gas rotates along the inner circumferential surface of the separation inducing portion 316, (320).
  • the separation inducing portion 316 allows the water containing the discharged exhaust gas and the water-soluble noxious gas to rotate along the inner circumferential surface thereof, and moves to the cyclone portion 320 side by the centrifugal force by the rotation, The dust is firstly separated from the exhaust gas.
  • the separation inducing portion 316 separates the exhaust gas And the cyclone portion 320 collects the dusts constituting the water-soluble noxious gas contained in the water to which the centrifugal force is applied while dropping the water, and only the exhaust gas in the state in which the water- And is supplied to the supply hole 132 formed in the lower part of the secondary separator 130.
  • the cyclone part 320 is connected to the separation inducing part 316 to move the exhaust gas separated from the water-soluble noxious gas upward to be supplied to the secondary separation part 130. The separated water- And discharging the collected water-soluble noxious gas.
  • the cyclone part 320 is configured such that the pressure is reduced by the flow rate of the exhaust gas flowing into the connection pipe 212, and the supply of the stored water is performed due to the weight of the stored water.
  • the secondary separator 130 separates the particulate dust contained in the exhaust gas from the exhaust gas from which the water-soluble noxious gas has been separated by the primary separator 120, and separates only the pure exhaust gas . ≪ / RTI >
  • the secondary separator 130 is disposed inside the primary separator 120 and is coaxial with the separator induction housing 310 and the cyclone unit 320.
  • the secondary separator 130 is divided into a plurality of A supply hole 132 through which exhaust gas is supplied is formed.
  • the exhaust gas supplied to the supply hole 132 is supplied while maintaining the centrifugal force applied by the primary separator 120, and the supplied exhaust gas is supplied to the inner peripheral surface of the secondary separator 130 And the separated dust is discharged to the outside of the secondary separator 130 through the discharge hole 134 formed in the inner surface portion of the dust separator 130, The exhaust gas is moved upward.
  • the secondary separator 130 is further provided with a discharge guide plate 136 for separating dust particles in the form of small particles contained in the exhaust gas that moves while rotating, from the exhaust gas to further maximize the efficiency of the secondary separation. It will be possible.
  • the secondary separator 130 is formed such that the exhaust guide plate 136 is inclined in the direction opposite to the rotation direction of the exhaust gas, and the exhaust gas, which moves upward along the inner peripheral surface of the secondary separator 130, The dust particles in the form of small particles collide with the inner surface of the first separator 120 through the discharge hole 134, and only the pure exhaust gas with the second separation And is discharged through the discharge portion 138 to the outside.
  • the frame portion 140 is provided with a mixing portion 110 and a primary separating portion 120.
  • the primary separating portion 120 is divided into the mixing portion 110 and the primary separating portion 120 by the two- Thereby minimizing the volume of the noxious gas trapping and dust separating device, thereby facilitating storage and portability, and maximizing mobility.
  • the frame unit 140 includes a support frame 410 to which a mixing unit 110 and a primary separation unit 120 are mounted and which has a moving wheel at a lower portion thereof and an exhaust gas
  • the support frame 410 further includes a fan fixing frame 412 for supporting a collecting fan 220 installed at the other end of the mixing unit 110.
  • the mounting frame 420 is rotatably coupled to one surface of the support frame 410, and the mounting table 422 on which the equipment is mounted can be further configured.
  • the equipment may be a notebook, but is not limited thereto.
  • the mounting frame 420 may be formed of a housing in which the pollution measuring device is built, and may be configured to be pulled in and pulled out in a sliding manner such as a drawer, or may be configured to be fixed to the supporting frame 410 It might be.
  • the folding frame 430 includes first to third folding panels 432, 434, and 436, and a folding unit 440 is formed between the folding panels to guide the folding process in one direction. do.
  • the first folding panel 432 has a lower end connected to the support frame 410 and a first folding means 442 formed at the upper end thereof and a second folding panel 434 having a lower end connected to the first folding means 442 And a second folding means 444 is formed at the upper end so that the third folding panel 436 is rotatably coupled.
  • the upper end of the third folding panel 436 is coupled to the outer surface of the separation inducing housing 310 of the primary separating unit 120, and is rotatably coupled by the third folding unit.
  • the separation induction housing 310 is further provided with a fixing panel 450 rotatably coupled by the third folding means formed on the upper surface of the third folding panel 436 to form a plurality of folding panels 432 and 434
  • the coupling tube 212 of the mixing housing 210 is inserted into the open lower surface of the separation inducing housing 310.
  • the folding frame 430 of the present invention has been described as moving the separation inducing housing 310 to the mixing unit 110 side by the two-stage folding process, the present invention is not limited thereto, and the first to third folding panels 432, 434, and 436 can be detachably coupled, the position of the separation inducing housing 310 can be moved by various coupling methods.
  • the folding means 440 may be formed in the shape of protrusions and grooves, and the folding frame 430 may be coupled by a fitting method, or may be formed by a screw and a screw coupling groove,
  • the first to third folding panels 432, 434, and 436 may be configured to be adjustable in length while being drawn in and drawn out, respectively.
  • mixing unit 120 primary separation unit
  • mixing housing 220 collection fan

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Processes For Solid Components From Exhaust (AREA)

Abstract

La présente invention concerne un appareil de collecte de gaz nocif et de séparation de poussière, l'appareil comprenant : un tuyau d'entrée de gaz à travers lequel un gaz d'échappement est introduit; une partie de mélange reliée au tuyau d'entrée de gaz et collectant le gaz d'échappement introduit tout en mélangeant le gaz d'échappement et l'eau; une partie de séparation primaire reliée à la partie de mélange pour fournir l'eau à celle-ci, et séparant principalement un gaz nocif soluble dans l'eau contenu dans le gaz d'échappement à l'aide d'une force centrifuge; une partie de séparation secondaire disposée à l'intérieur de la partie de séparation primaire et séparant secondairement un gaz nocif soluble dans l'eau restant lorsque le gaz d'échappement principalement séparé est introduit vers le bas; et une partie de cadre sur laquelle la partie de mélange et la partie de séparation primaire et secondaire sont montées, la partie de cadre couplant la partie de séparation primaire à la partie de mélange au moyen d'une structure pliée à deux étages.
PCT/KR2017/013486 2017-11-17 2017-11-24 Appareil de collecte de gaz nocif et de séparation de poussière WO2019098442A1 (fr)

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KR10-2017-0153620 2017-11-17
KR1020170153620A KR101872652B1 (ko) 2017-11-17 2017-11-17 유해가스 포집 및 분진 분리장치

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CN114011161A (zh) * 2021-11-11 2022-02-08 濮阳泓天威药业有限公司 一种生物发酵逃液收集装置及收集方法
CN114225609A (zh) * 2021-12-24 2022-03-25 中国建筑第五工程局有限公司 一种用于碳中和的循环除尘设备及其降尘方法

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CN114225609A (zh) * 2021-12-24 2022-03-25 中国建筑第五工程局有限公司 一种用于碳中和的循环除尘设备及其降尘方法

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