CN211963495U - System for sucking and purifying gaseous monomers in spinning process - Google Patents
System for sucking and purifying gaseous monomers in spinning process Download PDFInfo
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- CN211963495U CN211963495U CN201921956369.4U CN201921956369U CN211963495U CN 211963495 U CN211963495 U CN 211963495U CN 201921956369 U CN201921956369 U CN 201921956369U CN 211963495 U CN211963495 U CN 211963495U
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Abstract
The utility model discloses a gas monomer suction and purification system in the spinning process, which comprises a monomer suction part, a water spraying part and a purification part which are connected in sequence; the monomer suction part is used for collecting the gaseous monomer overflowing from the spinning plate and pumping the collected gaseous monomer to the water spraying part; the water spraying part is used for performing water spraying treatment on the gaseous monomer; the purification part is used for adsorbing the gaseous monomer treated by the water spraying part; the monomer suction part comprises a suction frame body positioned at the periphery of the outlet of the spinning plate, and the suction frame body is provided with an opening at one side close to the outlet of the spinning plate and is used for sucking gaseous monomers; the suction main pipe is positioned above the spinning box and connected with the exhaust fan, a plurality of suction branch pipes are connected between the suction frame strips and the suction main pipe, and the suction branch pipes are used for communicating the suction frame body and the suction main pipe. The utility model discloses a set up monomer suction portion, water drench portion and purification portion to the monomer suction device, and monomer processing apparatus are integrated as the integrated system, in order to reach the purpose of realizing monomer suction and monomer processing simultaneously.
Description
Technical Field
The utility model relates to an organic matter processing technology field in the non-woven fabrics production, more specifically relates to spinning process gaseous state free suction and clean system.
Background
The production process of the non-woven fabric can be roughly divided into the following steps: spinning, airflow cooling and drafting, lapping, hot rolling and winding, wherein the spinning is finished in a spinning box, a spinning plate is arranged below the spinning box, and a high-temperature molten melt is extruded by a screw to form spinning through the spinning plate; in the spinning process of the spinning plate, a plurality of low-molecular-weight gaseous monomers are generated at the spinning outlet of the spinning plate, the gaseous monomers are generated because molten raw materials in a spinning box body contain a plurality of low-molecular-weight monomers, the low-molecular-weight monomers are changed into gaseous state because of being still in a high-temperature state after flowing out from a spinning hole, if the gaseous monomers are not sucked away as soon as possible, the phenomena of melting point yarn breakage and slurry drop can occur in the spinning process, and a curtain can be wound to stop the spinning process in serious cases.
The single suction device known in the prior art is used for single-side suction, so that the suction effect is not ideal, and the cloth forming quality is influenced; or the pumping pipeline is unreasonably arranged, and the gaseous monomer is easy to cool and solidify in the pumping pipeline, so that the pipeline is blocked; or the monomer suction amount of each suction pipeline is not uniform, and the quality of the spun-laid web is influenced.
Gaseous monomer of the multiple low molecular weight that produces from the silk mouth is mostly organic volatile gas, and its boiling point is lower, meets the condensation and becomes the solid, and current non-woven fabrics manufacturing plant generally all directly discharges the atmosphere through the pipeline, and this kind of way not only contaminated air still makes gaseous monomer solidify in discharge pipeline exit department easily to cause and block up discharge passage, influence equipment life's defect.
There is a need for a system for sucking and purifying gaseous monomers in a spinning process, which integrates sucking and treating of gaseous monomers.
Disclosure of Invention
In order to solve at least the above technical problems existing in the prior art, the present invention aims to provide a system for sucking and purifying gaseous monomers in a spinning process.
The utility model aims at realizing through the following technical scheme:
a system for pumping and purifying gaseous monomers in a spinning process, comprising: the single body suction part, the water spraying part and the purification part are connected in sequence;
the monomer suction part is used for collecting gaseous monomers overflowing from the spinning plate and pumping the collected gaseous monomers to the water spraying part;
the water spraying part is used for performing water spraying treatment on the gaseous monomer and conveying the treated gaseous monomer to the purification part;
the purification part is used for purifying the gaseous monomer treated by the water spraying part;
the monomer suction part comprises a suction frame body, a suction branch pipe, a suction main pipe and an exhaust fan; the suction frame body is positioned around the outlet of the spinning plate and is formed by surrounding four hollow suction frame strips, and one side of each suction frame strip, which is close to the outlet of the spinning plate, is provided with an opening for sucking gaseous monomers;
the suction main pipe is located above the spinning box and connected with the exhaust fan, a plurality of suction branch pipes are connected between the suction frame strips and the suction main pipe, each suction branch pipe is provided with an air exhaust end and an air inlet end, the air exhaust ends are communicated with the opening side of the suction frame strips, and the air inlet ends are communicated with the suction main pipe.
The utility model discloses a free suction of spinning process gaseous state and clean system's theory of operation does: 1. monomer suction: the suction frame bodies are arranged on the periphery of the outlet of the spinning plate to realize multi-surface suction, so that the suction effect is ensured; the suction main pipe is arranged between the suction frame strip and the suction main pipe, so that the retention time of the gaseous monomer in the suction frame strip is shortened, and the gaseous monomer is prevented from being cooled and solidified in the pipeline; 2. monomer treatment: gaseous monomer after through will pumping is carried to water drenching portion and purification portion to handle gaseous monomer, thereby reduce gaseous monomer's concentration, avoid directly discharging to the atmosphere in.
Increase water drench portion and purification portion and be used for handling gaseous state monomer, be based on gaseous state monomer's nature, prior art shows that gaseous state monomer is mostly VOs, and VOs is soluble in water more, also can meet the condensation simultaneously and solidify, consequently can handle some gaseous state monomer through water drench portion, and another part is transported to purification portion again through the gaseous state monomer that water drench portion did not get handled, through physical adsorption to finally reduce gaseous state monomer's concentration, in order to reach emission standard.
The utility model discloses a set up monomer suction portion, water drench portion and purification portion to the monomer suction device, and monomer processing apparatus are integrated as the integrated system, in order to reach the purpose of realizing monomer suction and monomer processing simultaneously.
Preferably, the suction frame strip is U-shaped, the opening of the suction frame strip faces the outlet of the spinneret plate, and a plurality of baffles are arranged on the cross section of the inside of the suction frame strip, wherein two adjacent baffles form suction ports with the upper side and the lower side of the opening of the suction frame strip, and each suction port is correspondingly communicated with the air suction end of each suction branch pipe; therefore, the suction port is formed in the opening side of the suction frame strip to increase the suction force, so that the gaseous monomer overflowing from the outlet of the spinning plate can be efficiently sucked away as soon as possible; in addition, the arrangement of the baffle can also ensure the stability of the suction airflow, and can not generate adverse effect on the tows.
Preferably, the position of bleed-off end and suction mouth is relative, and the bore of bleed-off end is less than the bore of suction mouth, and wherein, the position of bleed-off end and suction mouth relatively can reduce gaseous monomer and be inhaled the resistance of sucking the branch pipe, and the bore of bleed-off end is less than the bore of suction mouth, can increase the suction of sucking the branch pipe to in the efficient lets gaseous monomer get into the suction branch pipe, avoid gaseous monomer to get into and stop at the suction mouth behind the suction mouth.
Preferably, the bottom of the water spraying part is provided with a discharge port, so that when the gaseous monomer enters the water spraying part, a part of the gaseous monomer is soluble in water and can be solidified in the water in a condensation way, the gaseous monomer is changed into a solid substance in the water spraying part after being solidified in the condensation way, and the solid substance is insoluble in water, so that the solid substance can be discharged through the discharge port.
Preferably, the purification part comprises a housing for accommodating the adsorbent material, and a discharge duct connected to the housing. The utility model discloses a part is got rid of to physisorption's method does not have the gaseous state monomer that is handled by water drenching portion, and gaseous state monomer after handling through water drenching portion can be adsorbed by adsorbing material after the purification portion that has been full of adsorbing material, then discharge the gas that accords with emission standard through the exhaust pipe again.
Preferably, the adsorbent material is selected from activated carbon and the like.
Preferably, the accommodating body is also provided with a back treatment discharge pipe which leads to the water spraying part; thus, the gaseous monomer treated by the purification part is sent to the water spraying part again through the treatment discharge pipe for retreatment until the gas in the discharge pipeline connected with the purification part meets the discharge standard and is discharged into the atmosphere.
Preferably, the baffle is uniformly arranged on the cross section in the suction frame strip, so that the suction amount of each suction opening is consistent, and the air pressure consistency of the suction opening to each position of the spinning plate is ensured.
Preferably, the suction frame body is fixedly connected with the lower end of the spinning box, thereby ensuring the stability of the suction frame body.
Preferably, the aspiration manifold is coated with a thermal insulation material to prevent the gaseous monomer within the aspiration manifold from freezing.
Preferably, the purifying part comprises a plasma purifying device and a UV photolysis purifying device, and the gaseous monomer treated by the water spraying part sequentially passes through the plasma purifying device and the UV photolysis purifying device to be purified.
Compared with the prior art, the utility model has the advantages as follows:
the utility model discloses a set up monomer suction portion, water drench portion and purification portion to the monomer suction device, and monomer processing apparatus are integrated as the integrated system, in order to reach the purpose of realizing monomer suction and monomer processing simultaneously.
The system realizes multi-surface suction by arranging the suction frame bodies around the outlet of the spinning plate, thereby ensuring the suction effect; the suction main pipe is arranged between the suction frame strip and the suction main pipe, so that the retention time of the gaseous monomer in the suction frame strip is shortened, and the gaseous monomer is prevented from being cooled and solidified in the pipeline; gaseous monomer after through will pumping is carried to water drenching portion and purification portion to handle gaseous monomer, thereby reduce gaseous monomer's concentration, avoid directly discharging to the atmosphere in.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic view showing the overall structure of a system for sucking and purifying a gaseous monomer in a spinning process;
FIG. 2 is a plan view of the monomer suction portion shown in FIG. 1 (a partial structure is not shown);
fig. 3 is a schematic view (in perspective, partial) of the combination of the pumping frame strip and the spinneret plate shown in fig. 1;
FIG. 4 is a schematic view (perspective, partial) of the combination of the suction frame strip and the suction branch tube shown in FIG. 1;
fig. 5 is a front view of the schematic shown in fig. 4.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Fig. 1 discloses a spinning process gaseous monomeric suction and purification system of embodiment of the present invention, including: the single body suction part 1, the water spraying part 2 and the purification part 3 are connected in sequence; the monomer suction part 1 is used for collecting gaseous monomers overflowing from the spinning plate 4 and pumping the collected gaseous monomers to the water spraying part 2; the water spraying part 2 is used for performing water spraying treatment on the gaseous monomer and conveying the treated gaseous monomer to the purification part 3; the purification part 3 is used for purifying the gaseous monomer treated by the water spraying part 2, and thus, the gas passing through the purification part 3 is discharged to the atmosphere.
Specifically, the gaseous monomer collected by the monomer suction unit 1 is transported to the shower unit 2 through the first pipe 105, and the gaseous monomer passing through the shower unit 2 is transported to the purification unit 3 through the second pipe 201.
As shown in fig. 1 and 2, the monomer suction section of the present embodiment includes a suction frame body 101, a suction branch pipe 102, a suction manifold 103, and a suction fan 104 (specifically, the suction fan is a centrifugal suction fan); the suction frame 101 is located around the outlet of the spinneret 4 (the suction frame 101 is adapted to the projection size of the spinning box, and the suction frame 101 is fixed to the lower end of the spinning box), and is surrounded by four hollow suction frame strips 1011.
As shown in fig. 3, suction frame 1011 is open on the side near the outlet of spinneret 4 for sucking in gaseous monomer.
As shown in fig. 1 and 2, the suction manifold 103 is located above the spinning box and connected to the suction fan 104, a plurality of suction branch pipes 102 are connected between the suction frame strips 1011 and the suction manifold 103, each suction branch pipe 102 is provided with a suction end 1014 and an air inlet end, wherein the suction end 1014 is communicated with the opening side of the suction frame strips 1011, and the air inlet end is communicated with the suction manifold 103.
The working principle of the suction and purification system for the gaseous monomer in the spinning process is as follows: 1. monomer suction: the suction frame body 101 is arranged on the periphery of the outlet of the spinning plate 4 to realize multi-surface suction, so that the suction effect is ensured; the suction branch pipe 102 is arranged between the suction frame strip 1011 and the suction main pipe 103, so that the residence time of the gaseous monomer in the suction frame strip 1011 is shortened, and the gaseous monomer is prevented from being cooled and solidified in the pipeline; 2. monomer treatment: gaseous monomer after through will pumping is carried to water drenching portion and purification portion to handle gaseous monomer, thereby reduce gaseous monomer's concentration, avoid directly discharging to the atmosphere in.
Increase water drenching portion and purification portion and be used for handling gaseous state monomer, be based on gaseous state monomer's nature, firstly, prior art shows, gaseous state monomer is mostly VOs, and VOs is soluble in water more, also can meet the condensation solid simultaneously, consequently can handle some gaseous state monomer through water drenching portion, and another part is transported to purification portion again through the gaseous state monomer that water drenching portion did not get handled, through physical adsorption to finally reduce gaseous state monomer's concentration, in order to reach emission standard.
In this embodiment, the suction frame strips 1011 are U-shaped, and the openings of the suction frame strips are toward the outlet of the spinneret 4, a plurality of baffles 1012 are disposed on the cross section of the inside of the suction frame strips 1011, wherein two adjacent baffles 1012 form suction openings with the upper and lower sides of the openings of the suction frame strips 1011, and each suction opening is correspondingly communicated with the air exhaust end 1014 of each suction branch pipe 102; in this way, the suction port is formed at the opening side of the suction frame strip 1011 to increase the suction force, so that the gaseous monomer overflowing from the outlet of the spinning plate 4 can be efficiently sucked away as soon as possible; in addition, the baffle 1012 can also play a role in guiding the air flow, so that the arrangement of the baffle 1012 can also ensure the stability of the sucked air flow, and cannot generate adverse effects on the tows.
In this embodiment, the pumping end 1014 is opposite to the suction port, and the aperture of the pumping end 1014 is smaller than the aperture of the suction port, wherein the pumping end 1014 can reduce the resistance of the gaseous monomer sucked into the suction branch pipe relative to the position of the suction port (the gaseous monomer entering the suction port can enter the pumping end 1014 linearly), the aperture of the pumping end 1014 is smaller than the aperture of the suction port, which can increase the suction force of the suction branch pipe 102, so as to efficiently let the gaseous monomer enter the suction branch pipe 102, and avoid the gaseous monomer from staying at the suction port after entering the suction port.
In this embodiment, the bottom of the water spraying part 2 is provided with a discharge port, so that when the gaseous monomer enters the water spraying part 2, a part of the gaseous monomer is soluble in water and can be solidified by condensation, the gaseous monomer is changed into a solid substance after being solidified by condensation in the water spraying part 2, and the solid substance is insoluble in water, so that the solid substance can be discharged through the discharge port.
In the present embodiment, the purification unit 3 includes a housing (e.g., a hollow box, a case) for housing an adsorbent (the adsorbent is selected from activated carbon, etc.), and a discharge duct 301 connected to the housing. The method adopts a physical adsorption method to remove part of the gaseous monomer which is not treated by the water spraying part, when the gaseous monomer treated by the water spraying part 2 passes through the purification part 3 filled with the adsorption material, the gaseous monomer can be adsorbed by the adsorption material, and then the gas which meets the emission standard is discharged through the discharge pipeline 301.
In this embodiment, the containing body is further provided with a back treatment discharge pipe 302, and the back treatment discharge pipe 302 leads to the water spraying part 2; in this way, the gaseous monomer treated by the purification part 3 is sent to the water spraying part 2 again through the treatment returning discharge pipe 302 for retreatment until the gas in the discharge pipeline 301 connected with the purification part 3 meets the discharge standard, and then discharged to the atmosphere.
The purification unit (3) of the present embodiment may adopt another configuration: the purification part (3) comprises a plasma purification device (not shown) and a UV photolysis purification device (not shown), and the gaseous monomer treated by the water spraying part (2) is subjected to purification treatment by the plasma purification device and the UV photolysis purification device in sequence.
Of course, it is also possible to provide VOs concentration detecting means at the outlet of the exhaust duct 301, and open the outlet of the exhaust duct 301 to exhaust the gas when the VOs concentration detecting means detects that the gas concentration in the exhaust duct 301 meets the exhaust standard. In this embodiment, whether the detected value of the VOs concentration detection device meets the emission standard or not can be judged by artificially observing the detected value, and automatic detection can also be realized, which is not specifically limited herein.
In this embodiment, the baffles 1012 are uniformly disposed on the cross section of the inside of the suction frame strips 1011, so as to ensure that the suction amount of each suction port is uniform, thereby ensuring the uniformity of the air pressure of each position of the spinneret 4.
In this embodiment, the suction manifold 102 is coated with a thermal insulation material to prevent the gaseous monomer in the suction manifold 102 from being solidified by cooling.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A system for suction and purification of gaseous monomers in a spinning process, characterized in that it comprises: a monomer suction part (1), a water spraying part (2) and a purification part (3) which are connected in sequence;
the monomer suction part (1) is used for collecting gaseous monomers overflowing from the spinning plate and pumping the collected gaseous monomers to the water spraying part (2);
the water spraying part (2) is used for performing water spraying treatment on the gaseous monomer and conveying the treated gaseous monomer to the purification part (3);
the purification part (3) is used for purifying the gaseous monomer treated by the water spraying part (2);
the monomer suction part (1) comprises a suction frame body (101), a suction branch pipe (102), a suction main pipe (103) and a suction fan (104); the suction frame body (101) is positioned around the outlet of the spinning plate and is surrounded by four hollow suction frame strips (1011), and one side of each suction frame strip (1011) close to the outlet of the spinning plate is provided with an opening for sucking gaseous monomers;
the suction main pipe (103) is positioned above the spinning box and connected with the exhaust fan (104), a plurality of suction branch pipes (102) are connected between the suction frame strips (1011) and the suction main pipe (103), each suction branch pipe (102) is provided with a suction end (1014) and an air inlet end, wherein the suction end (1014) is communicated with the opening side of the suction frame strips (1011), and the air inlet end is communicated with the suction main pipe (103).
2. The system for pumping and purifying the gaseous monomer for spinning process according to claim 1, wherein the pumping frame strip (1011) is U-shaped and has an opening facing the spinneret outlet, and a plurality of baffles (1012) are disposed on the cross section inside the pumping frame strip (1011), wherein two adjacent baffles (1012) form pumping openings with the upper and lower sides of the opening of the pumping frame strip (1011), and each pumping opening is correspondingly communicated with the pumping end (1014) of each pumping branch pipe (102).
3. The system for pumping and purging gaseous monomers for spinning process according to claim 2, wherein the pumping end (1014) is located opposite to the pumping port, and the pumping end (1014) has a smaller caliber than the pumping port.
4. The suction and purification system of the gaseous monomers of the spinning process according to claim 3, characterized in that the bottom of said showers (2) is provided with a discharge outlet.
5. The suction and purification system of the gaseous monomers of the spinning process according to claim 4, characterized in that said purification section (3) comprises a housing for containing the sorption material and a discharge duct (301) connected to the housing.
6. The suction and purification system for gaseous monomers in spinning process according to claim 1, wherein the purification section (3) comprises a plasma purification device and a UV photolysis purification device, and the gaseous monomers treated by the water showering section (2) are sequentially purified by the plasma purification device and the UV photolysis purification device.
7. The suction and purification system of the gaseous monomers of the spinning process according to claim 5, characterized in that on said containing body there is also a return treatment discharge pipe (302), said return treatment discharge pipe (302) opening into the water shower (2).
8. The system for pumping and purifying gaseous monomers for spinning according to claim 7, wherein said baffles (1012) are uniformly arranged on the cross section inside the pumping frame (1011).
9. The suction and purification system of the gaseous monomers of the spinning process according to claim 8, characterized in that said suction frame (101) is fixedly connected to the lower end of the spinning manifold.
10. The system for suction and purification of gaseous monomers for spinning process according to claim 9, characterized in that said suction manifold (102) is coated with a thermal insulation material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921956369.4U CN211963495U (en) | 2019-11-13 | 2019-11-13 | System for sucking and purifying gaseous monomers in spinning process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921956369.4U CN211963495U (en) | 2019-11-13 | 2019-11-13 | System for sucking and purifying gaseous monomers in spinning process |
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| Publication Number | Publication Date |
|---|---|
| CN211963495U true CN211963495U (en) | 2020-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921956369.4U Active CN211963495U (en) | 2019-11-13 | 2019-11-13 | System for sucking and purifying gaseous monomers in spinning process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211963495U (en) |
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- 2019-11-13 CN CN201921956369.4U patent/CN211963495U/en active Active
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