CN217340772U

CN217340772U - Gas-liquid self-separation explosion-proof fan

Info

Publication number: CN217340772U
Application number: CN202221239624.5U
Authority: CN
Inventors: 岑山; 白如意
Original assignee: Shenzhen Foxson Environmental Protection Technology Co ltd
Current assignee: Shenzhen Foxson Environmental Protection Technology Co ltd
Priority date: 2022-05-21
Filing date: 2022-05-21
Publication date: 2022-09-02
Anticipated expiration: 2032-05-21

Abstract

The application relates to a gas-liquid self-separation explosion-proof fan, it includes oil mist processing apparatus, steam processing apparatus and the air-blower that sets gradually along the air current direction, exhaust gas treatment device's both ends communicate respectively oil mist processing apparatus with steam processing apparatus, the air inlet of air-blower with steam processing apparatus keeps away from exhaust gas treatment device's one end intercommunication. This application can clean the non-gas of carrying, reduces the probability that explosion-proof fan probably takes place to explode because of the flammable explosive gas in the waste gas, improve equipment safety in utilization.

Description

Gas-liquid self-separation explosion-proof fan

Technical Field

The application relates to the field of fans, in particular to a gas-liquid self-separation explosion-proof fan.

Background

At present, in the working environment of some mines or chemical plants, some waste gas is often generated. These exhaust gases generally contain oil mist or flammable and explosive gases such as: carbon monoxide, hydrogen sulfide, methane, sulfur dioxide, ammonia gas and the like, oil mist or flammable and explosive gases are easy to explode when being conveyed by a fan, and great potential safety hazards exist.

In order to ensure the safety of workers and working equipment and the requirement of environmental protection, the waste gas is generally treated into clean gas and then discharged.

SUMMERY OF THE UTILITY MODEL

In order to handle above-mentioned waste gas better, reach exhaust emission standard, this application provides a gas-liquid is from separating explosion-proof fan.

The application provides a pair of gas-liquid self-separation explosion-proof fan adopts following technical scheme:

the gas-liquid self-separation explosion-proof fan comprises an oil mist treatment device, a waste gas treatment device, a water vapor treatment device and an air blower which are sequentially arranged along the direction of air flow, wherein two ends of the waste gas treatment device are respectively communicated with the oil mist treatment device and the water vapor treatment device, and an air inlet of the air blower is communicated with one end, far away from the waste gas treatment device, of the water vapor treatment device.

Through adopting above-mentioned technical scheme, pending air is before getting into the air-blower, and the oil mist processing apparatus that advances is gone into, gets rid of the oil mist in the air, then through exhaust treatment device, with the poisonous and harmful gas in the air, makes the air become clean, carries out the drying to clean air through steam processing apparatus at last for the air that the air-blower was blown out at last reaches exhaust emission and handles the standard.

Optionally, the oil mist processing apparatus includes the ionization tube and sets up electrode slice and the storage tray in the ionization tube, the electrode slice has a plurality ofly and follows the mutual parallel arrangement of air current direction, the storage tray sets up the electrode slice below, be provided with on the storage tray recess and with the conveyer pipe of recess intercommunication, the conveyer pipe runs through the ionization tube and with the sealed setting of ionization tube.

Through adopting above-mentioned technical scheme, form the electric field between the adjacent electrode slice, after the gas that contains the oil mist enters into the ionization tube, under the effect of electric field, oil mist gas is by the separation oil mist particle of electrified positive charge and the oil mist particle of electrified negative charge, oil mist particle moves to two positive and negative electrode slices respectively in the electric field to adsorb on the electrode slice, condense into oil and drip, and in flowing to the storage tray of electrode slice lower part, get rid of oil through the conveyer pipe on the storage tray, and the air after removing the oil mist is discharged.

Optionally, the waste gas treatment device comprises an absorption tank, reaction liquid is arranged in the absorption tank, an air inlet pipe and an air outlet pipe are arranged on the absorption tank, the air inlet pipe is communicated with the oil mist treatment device, and the air outlet pipe is communicated with the water vapor treatment device.

By adopting the technical scheme, the poisonous and harmful gas is absorbed and converted by utilizing the chemical reaction of the reaction liquid and the poisonous and harmful gas in the waste gas, and finally the clean gas is discharged.

Optionally, the exhaust treatment device further comprises a communicating pipe and an air leakage pipe, wherein the air leakage pipe is arranged in the bottom of the absorption tank in parallel, two ends of the communicating pipe are communicated with the air inlet pipe and the head end of the air leakage pipe respectively, the tail end of the air leakage pipe is sealed and arranged, and a plurality of air leakage holes are formed in the side wall of the air leakage pipe.

By adopting the technical scheme, after entering from the air inlet pipe, the gas is discharged from the plurality of air leakage holes of the air leakage pipe, and when the liquid level of the reaction liquid is higher than the diameter of the air leakage pipe, the contact area between the air and the reaction liquid can be increased by the arrangement of the plurality of air leakage holes; and the air is discharged from the air leakage hole until the air floats out of the liquid level, so that the reaction time of the air and the reaction liquid is prolonged, and the absorption efficiency of the reaction liquid is improved.

Optionally, the steam treatment device comprises a drying pipe and an adsorption layer arranged in the drying pipe, wherein the adsorption layer is provided with a plurality of air inlet directions of the drying pipe, and the air inlet directions of the drying pipe are uniformly arranged.

Through adopting above-mentioned technical scheme, utilize multilayer drier to carry out the drying to steam and absorb, reduce steam and probably cause harm to the air-blower after getting into the air-blower.

Optionally, steam processing apparatus includes cooling tube, honeycomb duct and sets up the condenser pipe in the cooling tube, wear out at the both ends of condenser pipe the cooling tube and with the cooling tube is sealed to be set up, the honeycomb duct is close to the tip setting of cooling tube and with the cooling tube intercommunication.

Through adopting above-mentioned technical scheme, when the circulation of air that contains steam arrived the cooling tube, the temperature of condenser pipe is lower, and the heat in the steam scatters and then condenses into the water droplet, assembles the bottommost layer along the inner wall of cooling tube.

Optionally, the oil mist treatment device and the exhaust gas treatment device, the exhaust gas treatment device and the water vapor treatment device, and the water vapor treatment device and the blower are all connected through flanges.

Through adopting above-mentioned technical scheme, utilize the ring flange to fix between oil mist processing apparatus, exhaust treatment device, steam treatment device and the air-blower to make the joint strength between oil mist processing apparatus, exhaust treatment device, steam treatment device and the air-blower increase, also increased sealed effect.

Optionally, one end of the oil mist treatment device, which is far away from the exhaust gas treatment device, is provided with a dust filter layer.

Through adopting above-mentioned technical scheme, in explosion-proof fan use, can filter the dust of external world, reduced external dust and piled up in oil mist processing device and exhaust-gas treatment device, carry the life that prolongs oil mist processing device and exhaust-gas treatment device.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the oil mist, toxic and harmful gases and water vapor in the waste gas can be treated one by one, the risk that the explosion-proof fan is easy to combust and explode when conveying the gas is reduced, and the clean air finally discharged by the air blower can reach the waste gas emission standard;

2. the oil mist treatment device and the water vapor treatment device can discharge collected oil mist or water vapor from the device, so that accumulation of the oil mist and water drops is avoided as much as possible, and the service life of the device is prolonged.

Drawings

Fig. 1 is an overall schematic view of an air-liquid self-separation explosion-proof fan in the first embodiment of the present application.

Fig. 2 is a schematic cross-sectional view illustrating a positional relationship between the electrode sheet and the receiving tray along an axial direction of the ionization tube according to an embodiment of the present invention.

Fig. 3 is a partial half-sectional view showing the connection relationship between the transport tube and the receiving tray along the axial direction of the ionization tube in an embodiment of the present application.

FIG. 4 is a partial half-sectional view of an exhaust gas treatment device in an intake direction according to an embodiment of the present application.

FIG. 5 is a schematic sectional view of a steam treatment apparatus according to an embodiment of the present invention, taken along an air inlet direction.

Fig. 6 is a schematic sectional view of a blower in the intake direction according to the first embodiment of the present application.

Fig. 7 is a schematic sectional view of a steam treatment apparatus in the second embodiment of the present application along the air intake direction.

Description of reference numerals: 1. an oil mist treatment device; 11. an ionization tube; 12. an electrode sheet; 13. a storage tray; 131. a groove; 132. a delivery pipe; 133. an insulating support; 14. a dust filter layer; 15. a first flange plate; 16. a second flange plate; 2. an exhaust gas treatment device; 21. an absorption tank; 211. a cavity; 212. an air inlet pipe; 2121. a third flange plate; 213. an air outlet pipe; 2131. a fourth flange plate; 214. a communicating pipe; 215. a gas leakage pipe; 2151. air leakage holes; 216. a liquid inlet pipe; 2161. a liquid inlet valve; 217. a liquid outlet pipe; 2171. a liquid outlet valve; 218. a liquid level tube; 22. a mounting seat; 3. a water vapor treatment device; 31. a drying tube; 311. a fifth flange plate; 312. a sixth flange plate; 32. an adsorption layer; 33. a cooling tube; 34. a condenser tube; 35. a flow guide pipe; 4. a blower; 41. a funnel; 411. a seventh flange plate; 412. a fixed bracket; 413. a sleeve; 42. a double-shaft motor; 43. a fan blade; 47. and (7) mounting a bracket.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses gas-liquid self-separation explosion-proof fan.

Example 1

Referring to fig. 1, the gas-liquid self-separation explosion-proof fan comprises an oil mist treatment device 1, an exhaust gas treatment device 2, a water vapor treatment device 3 and a blower 4. The oil mist treatment device 1, the waste gas treatment device 2, the water vapor treatment device 3 and the blower 4 are sequentially communicated. The oil mist treatment device 1 is used for separating oil mist contained in gas from the gas; the waste gas treatment device 2 is used for purifying gas and removing toxic and harmful gases in the gas; the water vapor treatment device 3 is used for drying the purified gas; the blower 4 discharges the treated clean dry air.

Referring to fig. 2 and 3, the oil mist treatment device 1 includes an ionization tube 11, an electrode sheet 12, a storage tray 13, and a dust filter layer 14. A first flange 15 and a second flange 16 are fixed to both ends of the ionization tube 11. The first flange 15 is used for being matched with a site pipeline bolt to realize the installation and fixation of the oil mist treatment device 1. The dust filter layer 14 is arranged on the inner wall of the ionization tube 11 and close to one side of the first flange 15, the dust filter layer 14 is a filter screen or a sponge, dust in field pipeline conveying gas can be filtered, and dust accumulation in the oil mist treatment device 1 and the waste gas treatment device 2 is reduced. The receiving tray 13 is plate-shaped, and two opposite side wall edges of the receiving tray 13 are abutted against the inner wall of the ionization tube 11. A groove 131 is arranged in the receiving tray 13, and a delivery pipe 132 is arranged at the bottom of the receiving tray 13 and communicated with the groove 131, and the delivery pipe 132 penetrates through the ionization tube 11 and is connected with the ionization tube 11 in a sealing way. An insulating holder 133 is fixed above the recess 131 of the receiving tray 13, and a plurality of electrode tabs 12 are fixed to the insulating holder 133, the electrode tabs 12 being plate-shaped. The connecting line between two adjacent electrode plates 12 is perpendicular to the gas flow direction in the ionization tube 11, so that the gas circulation is facilitated. The electrode plates 12 are connected at intervals and divided into two parts, wherein one part is connected with the high-voltage positive electrode, and the other part is connected with the high-voltage negative electrode. The two adjacent electrode plates 12 generate electric fields due to different polarities, and air between the two electrode plates 12 is ionized, so that oil mist is ionized into oil mist particles with positive charges and oil mist particles with negative charges, moves along the electric field between the two electrode plates 12, and finally converges on the electrode plates 12. In the present embodiment, a total of five electrode tabs 12 are provided, wherein three electrode tabs 12 are commonly connected to the high-voltage positive electrode, and two electrode tabs 12 are commonly connected to the high-voltage negative electrode. When the oil mist on the electrode plate 12 is gathered to form oil drops and drops, the oil drops are collected by the grooves 131 on the receiving tray 13 and are conveyed to the outside of the ionization tube 11 through the conveying pipe 132 for further processing. A valve is further provided in the duct of the duct 132 outside the ionization tube 11 to seal the duct 132 against gas leakage.

Referring to fig. 4, the exhaust gas treatment device 2 includes an absorption cell 21 and a mounting seat 22, and the mounting seat 22 is fixed to the bottom of the absorption cell 21 to mount and fix the absorption cell 21. The absorption cell 21 is closed, the whole absorption cell 21 is in a cuboid shape, and a cavity 211 is formed inside the absorption cell 21 and used for containing reaction liquid. In this embodiment, an inlet pipe 212 and an outlet pipe 213 are respectively disposed on two opposite sidewalls of the absorption cell 21 and near the top wall, and both the inlet pipe 212 and the outlet pipe 213 are communicated with the cavity 211. A third flange 2121 is fixed at one end of the air inlet pipe 212 far away from the absorption cell 21, and a fourth flange 2131 is fixed at one end of the air outlet pipe 213 far away from the absorption cell 21. The third flange 2121 and the second flange 15 are in bolt fit, so that the oil mist treatment device 1 is more stably fixed. The absorption tank 21 is also provided with a communicating pipe 214 and an air leakage pipe 215, the air leakage pipe 215 is fixed on the bottom wall of the inner cavity, one end of the air leakage pipe 215 is arranged in a closed mode, and the side wall of the air leakage pipe 215 is provided with a plurality of air leakage holes 2151. The communicating pipe 214 is vertically fixed on the side wall of the inner cavity, the top nozzle of the communicating pipe 214 is communicated with the air inlet pipe 212, and the bottom nozzle of the communicating pipe 214 is communicated with one end, far away from the sealing, of the air leakage pipe 215. A liquid inlet pipe 216 is arranged on one side wall of the absorption tank 21 close to the top wall, and a liquid inlet valve 2161 is arranged on the liquid inlet pipe 216; an outlet pipe 217 is arranged on the bottom wall of the absorption tank 21, and an outlet valve 2171 is arranged on the outlet pipe 217; a liquid level pipe 218 is further communicated with the side wall of the absorption tank 21, a bottom end pipe orifice of the liquid level pipe 218 is arranged close to the bottom wall of the absorption tank 21, and a top end pipe orifice of the liquid level pipe 218 is arranged close to the top wall of the absorption tank 21. Before the reaction liquid is conveyed into the absorption cell 21, the liquid outlet valve 2171 is closed, then the liquid inlet valve 2161 is opened, and the reaction liquid is conveyed into the absorption cell 21 through the liquid inlet pipe 216; when the reaction liquid is stopped being delivered, the liquid inlet valve 2161 is closed to prevent part of gas from possibly leaking out of the liquid inlet valve 2161 during the aeration reaction, which causes environmental pollution. When the height of the display liquid level of the liquid level pipe 218 is higher than the diameter of the gas leakage pipe 215, the gas to be processed enters the communicating pipe 214 and the gas leakage pipe 215 from the gas inlet pipe 212, and the gas leakage pipe 215 is provided with the plurality of gas leakage holes 2151, so that the contact area between the gas and the reaction liquid is increased, and the reaction, dissolution or absorption of the reaction liquid to the gas is accelerated. In the embodiment, the absorption solution is mainly used for absorbing hydrogen sulfide or sulfur dioxide gas generated in a chemical plant, and the reaction solution is sodium hydroxide solution.

Referring to fig. 5, the water vapor treatment device 3 includes a drying tube 31 and an adsorption layer 32, a fifth flange 311 and a sixth flange 312 are fixed to both ends of the drying tube 31, and the fifth flange 311 is used for being bolt-fitted with a fourth flange 2131 to fixedly connect the water vapor treatment device 3 and the exhaust gas treatment device 2. The adsorption layer 32 is in a shape of a round cake and is fixedly abutted against the inner wall of the drying tube 31, and the adsorption layer 32 is made of silica gel or activated alumina. The adsorbed layer 32 evenly is provided with a plurality ofly along the drying tube 31 direction of admitting air, improves the adsorption effect to steam. In the present embodiment, five adsorption layers 32 are provided in the drying duct 31.

Referring to fig. 6, the blower 4 includes a funnel 41, a two-axis motor 42 and fan blades 43, and a seventh flange 411 is fixed to the air inlet side of the funnel 41 and is used for being in bolt fit with the sixth flange 312 to fix the blower 4 and the water vapor treatment device 3 together. A support 412 is fixed in the ventilating duct 41 along the ventilating direction, the support 412 is in a cross shape integrally, a sleeve 413 is arranged in the middle of the support 412, the axis of the sleeve 413 is parallel to the axis of the ventilating duct 41, and the double-shaft motor 42 is placed in the sleeve 413 and fixedly connected with the sleeve 413. The fan blades 43 are fixed to both output shafts of the two-shaft motor 42, and the two fan blades 43 are installed in the same orientation. When the dual-shaft motor 42 starts to drive, the fan blades 43 near the air inlet can radiate heat to the dual-shaft motor 42, so that the working temperature of the dual-shaft motor 42 is reduced.

The implementation principle of the embodiment of the application is as follows: closing the liquid outlet valve 2171, then opening the liquid inlet valve 2161, delivering the reaction liquid to the absorption tank 21 through the liquid inlet pipe 216, and after the liquid level of the liquid level pipe 218 is completely higher than the diameter of the gas leakage pipe 215, installing and fixing the first flange 15 of the oil mist treatment device 1 with the on-site pipeline; during field ventilation, gas containing oil mist, hydrogen sulfide or sulfur dioxide enters the ionization tube 11 firstly, most dust in the gas can be filtered by the dust filter layer 14, the oil mist gas is gradually condensed into oil drops on the electrode plate 12 under the action of high-voltage ionization and an electric field and drops into the storage disc 13, and the oil drops are conveyed to the outside of the ionization tube 11 through the conveying pipe 132; then the hydrogen sulfide or sulfur dioxide gas passes through the gas inlet pipe 212, the communicating pipe 214 and the gas leakage pipe 215, and then chemically reacts with the sodium hydroxide solution in the absorption tank 21, so that the hydrogen sulfide or sulfur dioxide gas is absorbed in the sodium hydroxide solution, and finally the gas containing water vapor is discharged from the gas outlet pipe 213; after the gas containing water vapor enters the drying tube 31, the water vapor is gradually adsorbed by silica gel or activated alumina; finally, the gas is clean and dry when being conveyed to the blower 4, and then is discharged through the blower 4.

Example 2

Referring to fig. 7, the present embodiment is different from embodiment 1 in that the moisture processing device 3 includes a cooling pipe 33, a condensation pipe 34, and a draft pipe 35. The condensation pipe 34 is divided into a coiled pipe 341 and a straight pipe 342, the two ends of the coiled pipe 341 are respectively communicated with the straight pipe 342, and the straight pipe 342 penetrates through the cooling pipe 33 and is hermetically connected with the cooling pipe 33. When the temperature of the coil 341 is lower than the temperature of the cooling pipe 33, the vapor in the cooling pipe 33 releases heat to the coil 341, so that the vapor is gradually condensed into water drops on the coil 341 and drops into the cooling pipe 33. Honeycomb duct 35 has two, sets up respectively in the position that the cooling tube inner wall is close to both ends, and honeycomb duct 35 communicates with each other with the inner wall of cooling tube 33, is provided with the valve on the honeycomb duct 35, and the water droplet that the accessible valve will assemble is discharged, relies on the valve can also guarantee the leakproofness of cooling tube 33 simultaneously.

The implementation principle of the embodiment of the application is as follows: closing the liquid outlet valve 2171, then opening the liquid inlet valve 2161, delivering the reaction liquid to the absorption tank 21 through the liquid inlet pipe 216, and after the liquid level of the liquid level pipe 218 is completely higher than the diameter of the gas leakage pipe 215, installing and fixing the first flange 15 of the oil mist treatment device 1 with the on-site pipeline; during field ventilation, gas containing oil mist, hydrogen sulfide or sulfur dioxide enters the ionization tube 11 firstly, most dust in the gas can be filtered by the dust filter layer 14, the oil mist gas is gradually condensed into oil drops on the electrode plate 12 under the action of high-voltage ionization and an electric field and drops into the storage disc 13, and the oil drops are conveyed to the outside of the ionization tube 11 through the conveying pipe 132; then the hydrogen sulfide or sulfur dioxide gas passes through the gas inlet pipe 212, the communicating pipe 214 and the gas leakage pipe 215, and then chemically reacts with the sodium hydroxide solution in the absorption tank 21, so that the hydrogen sulfide or sulfur dioxide gas is absorbed in the sodium hydroxide solution, and finally the gas containing water vapor is discharged from the gas outlet pipe 213; after the gas containing water vapor enters the cooling pipe 44, the water vapor is gradually condensed into water drops to be gathered in the cooling tank when meeting the condensing pipe 45 with lower temperature, and the gathered water drops are guided to the outside of the cooling tank through the guide pipes 46 at the two ends of the cooling tank; finally, the gas is clean and dry when being conveyed to the blower 4, and then is discharged through the blower 4.

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

Claims

1. The utility model provides an explosion-proof fan of gas-liquid self-separation which characterized in that: the device comprises an oil mist treatment device (1), an exhaust gas treatment device (2), a water vapor treatment device (3) and an air blower (4) which are sequentially arranged along the airflow direction, wherein two ends of the exhaust gas treatment device (2) are respectively communicated with the oil mist treatment device (1) and the water vapor treatment device (3), and an air inlet of the air blower (4) is communicated with one end of the water vapor treatment device (3) far away from the exhaust gas treatment device (2).

2. The gas-liquid self-separation explosion-proof fan according to claim 1, characterized in that: oil mist processing apparatus (1) includes ionization tube (11) and sets up electrode slice (12) and storage tray (13) in ionization tube (11), electrode slice (12) have a plurality ofly and follow the mutual parallel arrangement of air current direction, storage tray (13) set up electrode slice (12) below, be provided with on storage tray (13) recess (131) and with conveyer pipe (132) of recess (131) intercommunication, conveyer pipe (132) run through ionization tube (11) and with ionization tube (11) seal sets up.

3. The gas-liquid self-separation explosion-proof fan according to claim 1, characterized in that: the waste gas treatment device (2) comprises an absorption tank (21), reaction liquid is arranged in the absorption tank (21), an air inlet pipe (212) and an air outlet pipe (213) are arranged on the absorption tank (21), the air inlet pipe (212) is communicated with the oil mist treatment device (1), and the air outlet pipe (213) is communicated with the water vapor treatment device (3).

4. The gas-liquid self-separation explosion-proof fan according to claim 3, characterized in that: waste gas treatment device (2) still include communicating pipe (214) and gas leakage pipe (215), gas leakage pipe (215) parallel arrangement in the bottom of absorption cell (21), the both ends of communicating pipe (214) communicate respectively intake pipe (212) with the head end of gas leakage pipe (215), the tail end of gas leakage pipe (215) seals to set up just be provided with a plurality of gas leakage holes (2151) on gas leakage pipe (215) lateral wall.

5. The gas-liquid self-separation explosion-proof fan according to claim 1, characterized in that: steam processing apparatus (3) include drying tube (31) and set up adsorbed layer (32) in drying tube (31), adsorbed layer (32) are provided with a plurality ofly and evenly set up along drying tube (31) direction of admitting air.

6. The gas-liquid self-separation explosion-proof fan according to claim 1, characterized in that: steam processing apparatus (3) include cooling tube (33), honeycomb duct (35) and set up condenser pipe (34) in cooling tube (33), wear out at the both ends of condenser pipe (34) cooling tube (33) and with cooling tube (33) seal sets up, honeycomb duct (35) are close to the tip setting of cooling tube (33) and with cooling tube (33) intercommunication.

7. The gas-liquid self-separation explosion-proof fan according to claim 1, characterized in that: the oil mist treatment device (1) and the waste gas treatment device (2), the waste gas treatment device (2) and the water vapor treatment device (3), and the water vapor treatment device (3) and the blower (4) are connected through flanges.

8. The gas-liquid self-separation explosion-proof fan according to claim 1, characterized in that: and a dust filter layer (14) is arranged at one end of the oil mist treatment device (1) far away from the waste gas treatment device (2).