CN214130989U - Novel DMF waste gas recovery device - Google Patents
Novel DMF waste gas recovery device Download PDFInfo
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- CN214130989U CN214130989U CN202022461808.3U CN202022461808U CN214130989U CN 214130989 U CN214130989 U CN 214130989U CN 202022461808 U CN202022461808 U CN 202022461808U CN 214130989 U CN214130989 U CN 214130989U
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Abstract
The utility model discloses a novel DMF waste gas recovery device, including first tower body, be equipped with first shower on the first tower body, be equipped with first vaporific shower nozzle on each first shower, be equipped with first feed liquor pipe between each first shower, the intake pipe is installed to the bottom of first tower body, the side of first tower body is equipped with the second tower body, be equipped with the second shower on the second tower body, all be equipped with second vaporific shower nozzle on each second shower, be equipped with second feed liquor pipe between each second shower, be provided with communicating pipe between first tower body and the second tower body, be equipped with condensation mechanism on communicating pipe, be equipped with first air exhauster on communicating pipe, the bottom mounting of first tower body has the hang plate, the bottom mounting of second tower body has the water-collecting tray, be equipped with oblique form siphunculus between hang plate and the water-collecting tray, install the output tube on the water-collecting tray, the top of second tower body is fixed with the blast pipe, the utility model discloses structural design is ingenious, The method is reasonable, can carry out high efficiency, low cost and good treatment effect on the DMF waste gas, and is worthy of popularization and application.
Description
Technical Field
The utility model relates to a device, especially a novel DMF waste gas recovery device.
Background
The synthetic leather industry developed vigorously at present brings infinite business opportunities for numerous enterprises, and for the synthetic leather manufacturing enterprises, DMF is taken as a solvent to dissolve PU resin in the manufacturing process of PU leather, and then the PU resin is soaked or coated on the surface of base cloth to form bass, and DMF is washed out by utilizing the solubility of DMF and water in the process, so that waste water in the wet process manufacturing process is generated.
In the drying process of the synthetic leather, a large amount of DMF-containing waste gas is generated, which is also the source of odor of the smelly eggs generated in the air, and all levels of local governments adopt active measures to eliminate the DMF waste gas in the air, however, due to the influence of the existing process, the ideal DMF waste gas treatment effect cannot be achieved all the time, the treated waste gas is unstable, good time and bad time are not tolerable for residents living in industrial areas, and a device with good DMF waste gas treatment effect, high efficiency, stability and low cost is urgently needed in the market.
SUMMERY OF THE UTILITY MODEL
The utility model discloses solve above-mentioned prior art's shortcoming, provide one kind can be to DMF exhaust-gas treatment effectual, high-efficient, stable, with low costs novel DMF exhaust gas recovery device, satisfied synthetic leather manufacturing enterprise to DMF exhaust gas recovery handle high-efficient, stable, with low costs the demand of handling.
The utility model provides a technical scheme that its technical problem adopted: the novel DMF waste gas recovery device comprises a first tower body, first spray pipes which are fixedly arranged at intervals from top to bottom and are in a spiral line shape are uniformly distributed in the first tower body, first mist spray heads which are uniformly distributed at intervals in a spiral line shape are fixed on each first spray pipe, the first spray pipes are communicated with each other through first liquid inlet pipes, an air inlet pipe is arranged at the bottom end of the first tower body, a second tower body is arranged at the side end of the first tower body, second spray pipes which are fixedly arranged at intervals from top to bottom and are in a spiral line shape are uniformly distributed in the second tower body, second mist spray heads which are uniformly distributed at intervals in a spiral line shape are fixed on each second spray pipe, the second spray pipes are communicated with each other through second liquid inlet pipes, a communicating pipe is arranged between the top end of the first tower body and the bottom end of the second tower body, a condensing mechanism is arranged on the communicating pipe, the condensing mechanism comprises a cylinder body, and condensing pipes which are bent and stacked together are fixed in the cylinder body, the one end of condenser pipe is the entrance point, the other end of condenser pipe is the exit end, it is provided with through the clearance to fold between adjacent condenser pipe together, install first air exhauster on communicating pipe, the bottom mounting of first tower body has the hang plate, the bottom mounting of second tower body has the water tray that gathers, be equipped with the oblique form siphunculus of fixing respectively in first tower body and second tower body department between hang plate and the water tray that gathers, the last output tube of installing of water tray, the top of second tower body is fixed with the blast pipe. The first tower body, the first spray pipe and the first mist spray head have the functions of manufacturing mist water drop layers layer by layer, so that most of DMF waste gas in the waste gas can be diluted; the spiral first spray pipe has the advantages that the arrangement of the first mist spray heads can be increased, the spray coverage is increased, and the spray effect is increased; the second tower body, the second spray pipe and the second mist spray head have the effects that mist water drop layers can be manufactured layer by layer, so that residual DMF waste gas possibly in the waste gas can be thoroughly diluted, the discharged waste gas is guaranteed to be thoroughly safe and reach the standard, and the effect of discharging safety is achieved; the spiral second spray pipe has the functions of increasing the arrangement of the second mist spray heads, increasing the spray coverage and increasing the spray effect; the communicating pipe has the effects that the waste gas can be conveyed from the top end of the first tower body to the bottom end of the second tower body, so that the possible residual DMF waste gas can be thoroughly treated and cleaned again; the condensation mechanism is used for condensing and removing DMF waste gas in the rest part of the waste gas; the first exhaust fan has the effects that the negative pressure in the first tower body can be increased, so that the problem that DMF waste gas is difficult to convey due to long-time retention in the first tower body can be avoided, the load of a blower fan in a factory for conveying the waste gas to an air inlet pipe can be reduced, and the service life of the blower fan is prolonged; the inclined plate, the water collecting disc, the inclined through pipe and the output pipe have the functions that waste water which is sprayed and diluted by the DMF waste gas of the first tower body is collected to the water collecting disc of the second tower body through the inclined plate and the inclined through pipe and is uniformly conveyed to a designated position outside the second tower body through the output pipe to uniformly treat the DMF waste water; the exhaust pipe is used for discharging the DMF waste gas which is treated cleanly and reaches the standard.
Further perfect, the upper and lower both ends that are located first air exhauster of communicating pipe all install condensation mechanism, install the connecting pipe between the exit end of upper end condensation mechanism and the feed liquor end of lower extreme condensation mechanism. The communicating pipe is positioned at the upper end and the lower end of the first exhaust fan and is provided with the condensing mechanisms, so that the condensing effect and efficiency of DMF waste gas can be greatly increased.
Further perfection, install air exhaust mechanism on the blast pipe. The effect of mechanism of bleeding here is, can improve the negative pressure between second tower body and the first tower body to can avoid DMF waste gas to stay second tower body and first tower body easily, the difficult exhaust condition takes place.
Further perfected, the air exhaust mechanism comprises a shell, a frame is fixed in the shell, rotating shafts are respectively and rotatably connected to the top end and the bottom end of the frame, blades are mounted on the two rotating shafts, first bevel gears are fixed to the bottom of the top rotating shaft and the top end of the bottom rotating shaft, a second bevel gear is meshed between the two first bevel gears, and the second bevel gear is driven to rotate by a first motor fixed to the side end of the shell. The shell, the frame, the rotating shaft, the blades, the first bevel gears, the second bevel gears and the first motor have the effects that one first motor can be used for driving the double blades to rotate, so that the air outlet quantity is increased, the negative pressure in the second tower body is increased, the circulation of waste gas is increased, the waste gas blockage is avoided, the treatment effect of DMF waste gas is further improved, the load of a blower fan in a factory building for conveying DMF waste gas is reduced, and the service life of the blower fan is prolonged; the working principle of the air suction mechanism is as follows: the first motor is started, the first motor drives the second bevel gears to rotate, and the second bevel gears are respectively meshed with the two first bevel gears simultaneously, so that when the second bevel gears rotate, the two first bevel gears are synchronously driven to rotate and drive the two first bevel gears to rotate in different directions, the two rotating shafts are driven to rotate in different directions, and the two blades are driven to rotate in different directions, so that the first motor can drive the two blades to rotate simultaneously, the air exhaust force can be increased, and a better treatment effect on DMF waste gas can be achieved; the deflection angles of the blades of the two blades are opposite.
The utility model discloses profitable effect is: the utility model has the advantages of ingenious and reasonable structural design, utilize first tower body, first shower, the first vaporific shower nozzle can be the vaporific water droplet layer of making of one deck, thereby can dilute most DMF waste gas in the waste gas, utilize first shower to be the spiral line form and can increase the arrangement of first vaporific shower nozzle, increase and spray the coverage, increase and spray the effect, utilize second tower body, second shower, the second vaporific shower nozzle can be the vaporific water droplet layer of making of one deck, thereby can thoroughly dilute the possible surplus DMF waste gas in the waste gas, ensure to discharge waste gas thoroughly safely, up to standard, play and discharge the insurance effect, utilize the second shower to be the spiral line form and can increase the arrangement of second vaporific shower nozzle, increase and spray the coverage, increase and spray the effect, utilize communicating pipe can carry waste gas from the top of first tower body to the bottom of second tower body, thereby can be to waste gas thoroughly once more, the insurance cut thorough processing totally to the DMF waste gas that probably remains, utilize condensation mechanism to fall the DMF waste gas condensation in the waste gas residual, utilize first air exhauster can increase the negative pressure in the first tower body, thereby can avoid DMF waste gas to stay in first tower body for a long time and cause the transport difficulty, the load when air-blower carries waste gas to the intake pipe in also can reducing the factory building, increase the life of air-blower, be worth popularizing and applying.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a view from perspective A of FIG. 1;
FIG. 3 is a view from perspective B of FIG. 1;
FIG. 4 is a cross-sectional view taken along line C-C of FIG. 1;
FIG. 5 is a cross-sectional view taken along line D-D of FIG. 1;
FIG. 6 is a cross-sectional view taken along line E-E of FIG. 1;
fig. 7 is a schematic structural view of the middle air pumping mechanism of the present invention.
Description of reference numerals: the device comprises a first tower body 1, a first spray pipe 2, a first mist spray nozzle 3, a first liquid inlet pipe 4, an air inlet pipe 5, a second tower body 6, a second spray pipe 7, a second mist spray nozzle 8, a second liquid inlet pipe 9, a communicating pipe 10, a condensing mechanism 11, a condensing pipe 11-1, a gap a, an inlet end 11-2, an outlet end 11-3, a cylinder body 11-4, a first exhaust fan 12, an inclined plate 13, a water collecting disc 14, an inclined through pipe 15, an output pipe 16, an exhaust pipe 17, a connecting pipe 18, an air exhaust mechanism 19, a shell 19-1, a frame 19-2, a rotating shaft 19-3, blades 19-4, a first bevel gear 19-5, a second bevel gear 19-6 and a first motor 19-7.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
with reference to the accompanying drawings: the novel DMF waste gas recovery device comprises a first tower body 1, first spray pipes 2 which are fixedly arranged at intervals from top to bottom and are in a spiral line shape are uniformly distributed in the first tower body 1, first mist spray heads 3 which are uniformly distributed at intervals in a spiral line position are fixed on each first spray pipe 2, each first spray pipe 2 is communicated with each other through a first liquid inlet pipe 4, an air inlet pipe 5 is arranged at the bottom end of the first tower body 1, a second tower body 6 is arranged at the side end of the first tower body 1, second spray pipes 7 which are fixedly arranged at intervals from top to bottom and are in a spiral line shape are uniformly distributed in the second tower body 6, second mist spray heads 8 which are uniformly distributed at intervals in a spiral line position are fixed on each second spray pipe 7, each second spray pipe 7 is communicated with each other through a second liquid inlet pipe 9, a communicating pipe 10 is arranged between the top end of the first tower body 1 and the bottom end of the second tower body 6, and a condensing mechanism 11 is arranged on the communicating pipe 10, the condensation mechanism 11 comprises a cylinder body 11-4, a condensation pipe 11-1 which is bent and stacked close to each other is fixed in the cylinder body 11-4, one end of the condensation pipe 11-1 is an inlet end 11-2, the other end of the condensation pipe 11-1 is an outlet end 11-3, a through gap a is arranged between the condensation pipes 11-1 which are stacked close to each other, a first exhaust fan 12 is installed on a communicating pipe 10, an inclined plate 13 is fixed at the bottom end of the first tower body 1, a water collecting disc 14 is fixed at the bottom end of the second tower body 6, inclined through pipes 15 which are respectively fixed at the first tower body 1 and the second tower body 6 are arranged between the inclined plate 13 and the water collecting disc 14, an output pipe 16 is installed on the water collecting disc 14, and an exhaust pipe 17 is fixed at the top end of the second tower body 6.
The upper end and the lower end of the communicating pipe 10 positioned on the first exhaust fan 12 are both provided with a condensing mechanism 11-1, and a connecting pipe is arranged between the outlet end of the upper condensing mechanism 11-1 and the liquid inlet end of the lower condensing mechanism.
The exhaust pipe 17 is provided with an air suction mechanism 19.
The air exhaust mechanism 19 comprises a shell 19-1, a frame 19-2 is fixed in the shell 19-1, the top end and the bottom end of the frame 19-2 are respectively and rotatably connected with rotating shafts 19-3, blades 19-4 are mounted on the two rotating shafts 19-3, first bevel gears 19-5 are fixed at the bottom of the rotating shaft 19-3 at the top end and the top end of the rotating shaft 19-3 at the bottom end, a second bevel gear 19-6 is meshed between the two first bevel gears 19-5, and the second bevel gear 19-6 is driven to rotate by a first motor 19-7 fixed at the side end of the shell 19-1.
The utility model discloses a theory of operation: firstly, an air blower (not shown in the figure) in a factory building is utilized to convey DMF waste gas generated on a production line to an air inlet pipe 5, then, a first exhaust fan 12 and an air exhaust mechanism 19 are synchronously started, so that the circulation speed of the DMF waste gas can be increased, the phenomenon that the DMF waste gas conveyed by the air blower is retained at a first tower body 1 and a second tower body 6 due to insufficient conveying force is avoided, a dilution solution (water) is synchronously conveyed to a first liquid inlet pipe 4 and a second liquid inlet pipe 9, the dilution solution passes through each first spray pipe 2 and each second spray pipe 7 respectively, so that a large amount of dilution solution is sprayed out of a first mist-shaped spray head 3 and a second mist-shaped spray head 8, the DMF waste gas at the first tower body 1 can be partially diluted (20% -30% of DMF waste gas in the waste gas can be diluted), then reaches two condensation mechanisms 11 through a communicating pipe 10, condensed water is circularly filled into the condensation mechanisms 11 at the moment and reaches a condensation pipe 11-1, therefore, the surface temperature of the condenser pipe 11-1 is low, the waste gas can be mostly condensed by the flow through the gap a, 70% -80% of DMF waste gas in the waste gas can be condensed and processed (because the condensation effect of the DMF waste gas is good, and the dissolubility is general, the condensing mechanism 11 can condense 70% -80% of DMF waste gas in the waste gas into liquid), the condensed DMF liquid flows into the water collecting tray 14 through the communicating pipe 10 and is finally discharged from the output pipe 16, finally, the waste gas reaches the second tower body 6 through the communicating pipe 10, finally, the possible residual DMF waste gas processing is achieved through the spraying in the second tower body 6, so that the safety effect is achieved, the processed waste gas discharged through the exhaust pipe 17 is qualified and reaches the standard discharge, and finally, the waste water is conveyed to the designated position through the output pipe 16 for sewage processing, is worthy of popularization and application.
While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.
Claims (4)
1. The utility model provides a novel DMF waste gas recovery device, includes first tower body (1), characterized by: first spray pipes (2) which are spirally linear and fixedly arranged at intervals are uniformly distributed from top to bottom in the first tower body (1), first mist-shaped spray heads (3) which are spirally position-interval and uniformly distributed are fixed on each first spray pipe (2), each first spray pipe (2) is communicated with each other through a first liquid inlet pipe (4), an air inlet pipe (5) is installed at the bottom end of the first tower body (1), a second tower body (6) is arranged at the side end of the first tower body (1), second spray pipes (7) which are spirally linear and fixedly arranged at intervals are uniformly distributed from top to bottom in the second tower body (6), second mist-shaped spray heads (8) which are spirally position-interval and uniformly distributed are fixed on each second spray pipe (7), each second spray pipe (7) is communicated with each other through a second liquid inlet pipe (9), and a communicating pipe (10) is arranged between the top end of the first tower body (1) and the bottom end of the second tower body (6), the condensation mechanism (11) is installed on the communicating pipe (10), the condensation mechanism (11) comprises a barrel body (11-4), a bent and overlapped condensing pipe (11-1) is fixed in the barrel body (11-4), one end of the condensing pipe (11-1) is an inlet end (11-2), the other end of the condensing pipe (11-1) is an outlet end (11-3), a through gap (a) is arranged between the condensing pipes (11-1) which are overlapped together, a first exhaust fan (12) is installed on the communicating pipe (10), an inclined plate (13) is fixed at the bottom end of the first tower body (1), a water collecting disc (14) is fixed at the bottom end of the second tower body (6), and an inclined communicating pipe (15) which is respectively fixed at the first tower body (1) and the second tower body (6) is arranged between the inclined plate (13) and the water collecting disc (14), an output pipe (16) is installed on the water collecting disc (14), and an exhaust pipe (17) is fixed at the top end of the second tower body (6).
2. The novel DMF waste gas recovery device as defined in claim 1, wherein: the upper end and the lower end of the communicating pipe (10) positioned at the upper end and the lower end of the first exhaust fan (12) are provided with a condensation mechanism (11), the upper end is provided with an outlet end and a lower end of the condensation mechanism (11), and a connecting pipe (18) is arranged between liquid inlet ends of the condensation mechanism (11).
3. A novel DMF waste gas recovery apparatus as defined in claim 2, which is characterized in that: and an air exhaust mechanism (19) is arranged on the exhaust pipe (17).
4. A novel DMF waste gas recovery apparatus as claimed in claim 3, characterised in that; the air extraction mechanism (19) comprises a shell (19-1), a frame (19-2) is fixed in the shell (19-1), the top end and the bottom end of the frame (19-2) are respectively and rotatably connected with a rotating shaft (19-3), blades (19-4) are mounted on the two rotating shafts (19-3), first bevel gears (19-5) are fixed at the bottom of the rotating shaft (19-3) at the top end and at the bottom end of the rotating shaft (19-3) at the top end, a second bevel gear (19-6) is meshed between the two first bevel gears (19-5), and the second bevel gear (19-6) is driven to rotate by a first motor (19-7) fixedly arranged at the side end of the shell (19-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022461808.3U CN214130989U (en) | 2020-10-30 | 2020-10-30 | Novel DMF waste gas recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022461808.3U CN214130989U (en) | 2020-10-30 | 2020-10-30 | Novel DMF waste gas recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214130989U true CN214130989U (en) | 2021-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022461808.3U Active CN214130989U (en) | 2020-10-30 | 2020-10-30 | Novel DMF waste gas recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214130989U (en) |
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2020
- 2020-10-30 CN CN202022461808.3U patent/CN214130989U/en active Active
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