CN115040944A - Gas collecting and purifying equipment for polyester resin production - Google Patents
Gas collecting and purifying equipment for polyester resin production Download PDFInfo
- Publication number
- CN115040944A CN115040944A CN202210968976.2A CN202210968976A CN115040944A CN 115040944 A CN115040944 A CN 115040944A CN 202210968976 A CN202210968976 A CN 202210968976A CN 115040944 A CN115040944 A CN 115040944A
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- box body
- purifying box
- gas
- sealing
- purifying
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention provides a gas collecting and purifying device for polyester resin production, which belongs to the technical field of waste gas treatment and comprises a purifying box body, a filtering assembly, a sealing assembly and a back flushing assembly, wherein an exhaust pipe is arranged at one end of the purifying box body, the filtering assembly is movably arranged in the purifying box body and is used for filtering sundries in gas and increasing the sundries at one side of the filtering assembly, the filtering assembly can move along the inside of the purifying box body, and the sealing assembly is arranged at one side of the filtering assembly. Compared with the prior art, the embodiment of the invention can realize automatic filtration of the polyester resin production gas and automatically clean impurities intercepted by one side of the filter assembly, thereby ensuring continuous filtration of subsequent gas and having the advantages of good gas purification effect and high purification efficiency.
Description
Technical Field
The invention belongs to the technical field of waste gas treatment, and particularly relates to gas collecting and purifying equipment for polyester resin production.
Background
The polyester resin is a base for forming the coating, has a function of bonding other components in the coating to form a coating film, and plays a role in determining the properties of the coating and the coating film.
At present, a large amount of waste gas is easily generated in the production process of polyester resin, so that the waste gas is required to be purified when being discharged, and the environmental pollution is avoided. Among the prior art, contain more granule debris usually in the polyester resin production waste gas, to this kind of granule debris purification treatment make waste gas pass the filter screen mostly, rely on the filter screen to intercept granule debris, nevertheless along with the lasting of waste gas passing, the debris that the interception was in filter screen one side are amasss more, very easily cause the jam of filter screen, and then influence the normal filtration of follow-up waste gas, have the defect that filtration efficiency is low and the filter effect is poor, need to improve urgently.
Disclosure of Invention
In view of the defects of the prior art, the technical problem to be solved by the invention is to provide a gas collecting and purifying device for producing polyester resin.
In order to solve the technical problems, the invention provides the following technical scheme:
a gas collecting and purifying device for producing polyester resin comprises a purifying box body, a filtering component, a sealing component and a back blowing component,
one end of the purifying box body is provided with an exhaust pipe,
the filtering component is movably arranged in the purifying box body and is used for filtering sundries in the air and can move along the purifying box body along with the increase of the sundries on one side of the filtering component,
the sealing component is arranged on one side of the filtering component and can seal the exhaust pipe when the filtering component moves,
the blowback subassembly is installed on purifying box outer wall sealing assembly is right after the blast pipe carries out the seal, the blowback subassembly be used for to purify the inside conveying gas of box, in order to order about the gas reverse pass filtering component.
As a further improvement of the invention: the filtering component comprises a ring plate and a filter screen,
the ring plate is movably arranged in the purifying box body, the filter screen is fixedly embedded at the inner side of the ring plate, the sealing component comprises a first elastic piece and a sealing ball body,
one end of the first elastic piece is connected with the filter screen, and the other end of the first elastic piece extends towards the exhaust pipe in the reverse direction and is connected with the sealing ball body.
As a further improvement of the invention: the back-blowing component comprises an air cylinder, an air blowing pipe and a piston component,
the air cylinder is fixedly arranged on the outer wall of the purifying box body, one end of the air blow pipe is connected with the air cylinder, the other end of the air blow pipe is communicated with the inner cavity of the purifying box body,
the piston assembly is arranged inside the air cylinder,
the annular plate is characterized in that a second sealing plate is fixedly arranged on one side edge of the annular plate and attached to the inner wall of the purifying box body, a second pressure relief hole is formed in the second sealing plate, and a first pressure relief hole is formed in the side wall of the purifying box body.
As a further improvement of the invention: the piston assembly comprises a piston block and a second elastic piece,
the piston block is movably arranged inside the air cylinder, one end of the second elastic piece is connected with the piston block, and the other end of the second elastic piece is connected with the inner wall of the air cylinder.
As a still further improvement of the invention: a first sealing plate is fixedly arranged at one side edge of the ring plate,
the first sealing plate is attached to the inner wall of the purifying box body, an opening is formed in the first sealing plate, and an air inlet pipe corresponding to the opening is arranged on the side wall of the purifying box body.
As a still further improvement of the invention: the inner wall of the purifying box body is fixedly provided with a guide rail, and one side of the ring plate is provided with a clamping groove matched with the guide rail.
As a still further improvement of the invention: the inner wall of the purifying box body is provided with a damping piece.
Compared with the prior art, the invention has the beneficial effects that:
in the embodiment of the invention, when gas generated in the production process of polyester resin is purified, the gas can be introduced into the purifying box body, the gas can pass through the filtering component and is discharged from the exhaust pipe after entering the purifying box body, impurities in the gas are intercepted on one side of the filtering component when the gas passes through the filtering component to realize the filtration of the gas, the gas flux of the filtering component is reduced along with the more the impurities accumulate on one side of the filtering component, the subsequent gas can push the filtering component to move along the inside of the purifying box body so as to drive the sealing component to move, the exhaust pipe can be sealed when the sealing component moves, at the moment, the back blowing component can convey the gas to the inside of the purifying box body, the gas can reversely pass through the filtering component to blow away the impurities intercepted on one side of the filtering component, the cleaning of the filtering component is realized, and compared with the prior art, the automatic filtration of the production gas of polyester resin can be realized, and still can carry out automatic clearance to the debris that filtering component one side intercepted to guarantee the continuous filtration of follow-up gas, have that gas purification is effectual and purification efficiency is high advantage.
Drawings
FIG. 1 is a schematic view showing the construction of a gas collecting and purifying apparatus for polyester resin production;
FIG. 2 is a schematic view showing the construction of a filter module in a gas collecting and purifying apparatus for polyester resin production;
FIG. 3 is an enlarged view of area A of FIG. 1;
FIG. 4 is an enlarged view of the area B in FIG. 1;
in the figure: 10-a purifying box body, 101-a guide rail, 102-an exhaust pipe, 103-an air inlet pipe, 104-a first pressure relief hole, 20-a filtering component, 201-a ring plate, 202-a filter screen, 203-a first sealing plate, 2031-a through hole, 204-a second sealing plate, 2041-a second pressure relief hole, 205-a clamping groove, 30-a damping component, 40-a sealing component, 401-a first elastic component, 402-a sealing sphere, 50-a back-blowing component, 501-an air blowing pipe, 502-an air storage cylinder, 503-a piston block and 504-a second elastic component.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
Referring to fig. 1, the embodiment provides a gas collecting and purifying apparatus for producing polyester resin, including a purifying box 10, a filtering assembly 20, a sealing assembly 40 and a back-blowing assembly 50, wherein an exhaust pipe 102 is disposed at one end of the purifying box 10, the filtering assembly 20 is movably disposed inside the purifying box 10 for filtering impurities in gas and increasing impurities at one side of the filtering assembly 20, the filtering assembly 20 is movable along the inside of the purifying box 10, the sealing assembly 40 is disposed at one side of the filtering assembly 20, when the filtering assembly 20 moves, the sealing assembly 40 can seal the exhaust pipe 102, the back-blowing assembly 50 is mounted on an outer wall of the purifying box 10, after the sealing assembly 40 seals the exhaust pipe 102, the back-blowing assembly 50 is used for delivering gas into the purifying box 10, to force the gas to pass back through the filter assembly 20.
When gas generated in the production process of polyester resin is purified, the gas can be introduced into the purifying box body 10, the gas can pass through the filtering component 20 and is exhausted by the exhaust pipe 102 after entering the purifying box body 10, when the gas passes through the filtering component 20, sundries in the gas are intercepted on one side of the filtering component 20 to realize gas filtration, as the sundries are accumulated on one side of the filtering component 20 more, the gas flux of the filtering component 20 is reduced, the subsequent gas can push the filtering component 20 to move along the inside of the purifying box body 10 to further drive the sealing component 40 to move, the exhaust pipe 102 can be sealed when the sealing component 40 moves, at the moment, the back blowing component 50 can convey the gas to the inside of the purifying box body 10, the gas can reversely pass through the filtering component 20 to further blow away the sundries intercepted on one side of the filtering component 20, and the cleaning of the filtering component 20 is realized.
Referring to fig. 1 and 2, in an embodiment, the filtering assembly 20 includes a ring plate 201 and a filter screen 202, the ring plate 201 is movably disposed inside the purifying box 10, the filter screen 202 is fixedly embedded inside the ring plate 201, the sealing assembly 40 includes a first elastic member 401 and a sealing ball 402, one end of the first elastic member 401 is connected to the filter screen 202, and the other end of the first elastic member 401 extends toward the exhaust pipe 102 and is connected to the sealing ball 402.
When gas enters the purifying box body 10, the gas can penetrate through the filter screen 202 and is discharged through the exhaust pipe 102, in the process, sundries in the gas are intercepted on one side of the filter screen 202, the more sundries on one side of the filter screen 202 are accumulated, the flux of the filter screen 202 is gradually reduced, the subsequent gas can push the filter screen 202 and the annular plate 201 to move towards the exhaust pipe 102 along the inside of the purifying box body 10, the sealing ball body 402 is driven by the first elastic piece 401 to move, when the sealing ball body 402 acts on the exhaust pipe 102, the sealing of the exhaust pipe 102 can be realized, at the moment, the gas is conveyed into the purifying box body 10 through the blowback assembly 50, when the gas enters the inside of the purifying box body 10, the gas can reversely penetrate through the filter screen 202, the sundries on one side of the filter screen 202 are blown away from the filter screen 202, and the automatic cleaning of the filter screen 202 is realized.
Referring to fig. 1 and 4, in an embodiment, the blowback assembly 50 includes an air cylinder 502, an air blowing pipe 501 and a piston assembly, the air cylinder 502 is fixedly mounted on the outer wall of the purifying box body 10, one end of the air blowing pipe 501 is connected to the air cylinder 502, the other end is communicated with the inner cavity of the purifying box body 10, the piston assembly is disposed inside the air cylinder 502, a second sealing plate 204 is fixedly disposed at an edge of one side of the ring plate 201, the second sealing plate 204 is attached to the inner wall of the purifying box body 10, a second pressure relief hole 2041 is formed in the second sealing plate 204, and a first pressure relief hole 104 is formed in the side wall of the purifying box body 10.
After the filter screen 202 moves to drive the sealing ball 402 to seal the exhaust pipe 102, the filter screen 202 can continue to move under the push of subsequent gas, at this time, the first elastic element 401 is compressed under force, and since sundries are accumulated on one side of the filter screen 202, the filter screen 202 is in a sealing state, when the filter screen 202 moves, the gas on one side of the filter screen can be pumped into the air storage cylinder 502 from the air blowing pipe 501, and then the piston assembly is driven to move along the interior of the air storage cylinder 502; when the ring plate 201 moves, the second sealing plate 204 can be driven to move synchronously, when the second pressure relief holes 2041 on the second sealing plate 204 move to one side of the first pressure relief holes 104 on the side wall of the purifying box 10, the piston assembly can move reversely along the inside of the air cylinder 502 to press and convey the gas inside the air cylinder 502 from the air blowing pipe 501 to the inside of the purifying box 10, and then reversely pass through the filter screen 202 to blow the impurities on one side of the filter screen 202 away from the filter screen 202, so that the filter screen 202 is automatically cleaned, after the impurities are blown away from one side of the filter screen 202, under the action of the first elastic element 401 and gravity, the ring plate 201 and the filter screen 202 move reversely along the inside of the purifying box 10, and the sealing ball 402 is separated from the exhaust pipe 102, so that the filter screen 202 and the sealing ball 402 are reset to filter the subsequent gas.
Referring to fig. 1, in one embodiment, the piston assembly includes a piston block 503 and a second elastic member 504, the piston block 503 is movably disposed inside the air cylinder 502, and one end of the second elastic member 504 is connected to the piston block 503, and the other end is connected to the inner wall of the air cylinder 502.
When the filter screen 202 moves along the interior of the purifying box 10, the air on one side of the filter screen can be pumped into the air cylinder 502 from the air blowing pipe 501, so as to push the piston block 503 to move along the interior of the air cylinder 502, and at this time, the second elastic element 504 is compressed under force; when the second sealing plate 204 moves to make the second pressure relief hole 2041 aligned with the first pressure relief hole 104, the pressure on one side of the filter screen 202 is lower than the pressure on the other side, and the second elastic member 504 drives the piston block 503 to move reversely along the inside of the air cylinder 502, so as to force the air inside the air cylinder 502 to be blown from the air blowing pipe 501 into the purifying box 10, and then to pass through the filter screen 202 reversely, so as to blow the impurities intercepted on one side of the filter screen 202 away from the filter screen 202, thereby realizing the automatic cleaning of the filter screen 202.
Referring to fig. 2 and fig. 3, in an embodiment, a first sealing plate 203 is further fixedly disposed on one side edge of the ring plate 201, the first sealing plate 203 is attached to an inner wall of the purification box 10, a through hole 2031 is formed in the first sealing plate 203, and an air inlet pipe 103 corresponding to the through hole 2031 is disposed on a side wall of the purification box 10.
Initially, the second sealing plate 204 is attached to the inner wall of the purifying box 10 to seal the first pressure relief hole 104, and at this time, the air inlet pipe 103 is aligned with the through hole 2031; when the ring plate 201 moves to drive the second sealing plate 204 to move and the hole positions of the second pressure relief hole 2041 and the first pressure relief hole 104 are aligned, the first sealing plate 203 moves synchronously to just seal the air inlet pipe 103, so as to prevent the outside air from being continuously conveyed into the purifying box 10.
Referring to fig. 1 and 2, in an embodiment, a guide rail 101 is fixedly disposed on an inner wall of the purifying box 10, and a clamping groove 205 adapted to the guide rail 101 is formed on one side of the ring plate 201.
The ring plate 201 is matched with the guide rail 101 through the clamping groove, so that the ring plate 201 can drive the filter screen 202 to stably move along the inside of the purifying box body 10.
In an embodiment, the first elastic element 401 and the second elastic element 504 may be springs or metal elastic pieces, which is not limited herein.
Referring to fig. 1, in an embodiment, the damping member 30 is disposed on the inner wall of the purifying box 10, and the damping member 30 provides a damping effect on the annular plate 201 to overcome an elastic supporting force of the first elastic member 401 on the filter screen 202, so that when the piston block 503 moves reversely along the air cylinder 502, the air can be smoothly pumped into the purifying box 10, and further the air can smoothly pass through the filter screen 202 reversely, thereby ensuring smooth cleaning of the filter screen 202.
In an embodiment, the damping member 30 may be an annular rubber ring or an annular silicone ring, which is not limited herein.
In the embodiment of the invention, when purifying the gas generated in the production process of the polyester resin, the gas can be introduced into the purifying box body 10, after the gas enters the purifying box body 10, the gas can pass through the filtering component 20 and is discharged from the exhaust pipe 102, when the gas passes through the filtering component 20, the impurities in the gas are intercepted on one side of the filtering component 20, so as to realize the filtration of the gas, the gas flux of the filtering component 20 is reduced along with the more the impurities accumulate on one side of the filtering component 20, the subsequent gas can push the filtering component 20 to move along the inside of the purifying box body 10, so as to drive the sealing component 40 to move, the exhaust pipe 102 can be sealed when the sealing component 40 moves, at the moment, the back blowing component 50 can convey the gas to the inside of the purifying box body 10, the gas can reversely pass through the filtering component 20, so as to blow away the impurities intercepted on one side of the filtering component 20, so as to realize the cleaning of the filtering component 20, compare in prior art, can realize the automatic filtration of polyester resin process gas to still can carry out the automation to the debris that filtering component 20 one side intercepted and clear up, thereby guarantee the continuous filtration of follow-up gas, have that gas purification is effectual and purification efficiency is high advantage.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (7)
1. A gas collecting and purifying device for producing polyester resin comprises a purifying box body and a filtering component, and is characterized by also comprising a sealing component and a back flushing component,
one end of the purifying box body is provided with an exhaust pipe,
the filtering component is movably arranged in the purifying box body and is used for filtering sundries in the air and can move along the purifying box body along with the increase of the sundries on one side of the filtering component,
the sealing component is arranged on one side of the filtering component and can seal the exhaust pipe when the filtering component moves,
the blowback subassembly is installed on the purification box outer wall sealing assembly is right after the blast pipe carries out the seal, the blowback subassembly be used for to purify the inside conveying gas of box, in order to order about gaseous reverse the passing filtering component.
2. The gas collecting and purifying apparatus for polyester resin production according to claim 1, wherein the filter assembly comprises a ring plate and a filter screen,
the ring plate is movably arranged in the purifying box body, the filter screen is fixedly embedded at the inner side of the ring plate, the sealing component comprises a first elastic piece and a sealing ball body,
one end of the first elastic piece is connected with the filter screen, and the other end of the first elastic piece extends towards the exhaust pipe in the reverse direction and is connected with the sealing ball body.
3. The gas collecting and purifying apparatus for polyester resin production as claimed in claim 2, wherein said blowback assembly comprises a gas cylinder, a gas blow pipe and a piston assembly,
the air cylinder is fixedly arranged on the outer wall of the purifying box body, one end of the air blow pipe is connected with the air cylinder, the other end of the air blow pipe is communicated with the inner cavity of the purifying box body,
the piston assembly is arranged inside the air cylinder,
the annular plate is characterized in that a second sealing plate is fixedly arranged on one side edge of the annular plate and attached to the inner wall of the purifying box body, a second pressure relief hole is formed in the second sealing plate, and a first pressure relief hole is formed in the side wall of the purifying box body.
4. The gas collecting and purifying apparatus for polyester resin production according to claim 3, wherein the piston assembly includes a piston block and a second elastic member,
the piston block is movably arranged inside the air cylinder, one end of the second elastic piece is connected with the piston block, and the other end of the second elastic piece is connected with the inner wall of the air cylinder.
5. The gas collecting and purifying apparatus for polyester resin production as claimed in claim 4, wherein a first sealing plate is further fixedly provided to one side edge of the ring plate,
the first sealing plate is attached to the inner wall of the purifying box body, an opening is formed in the first sealing plate, and an air inlet pipe corresponding to the opening is arranged on the side wall of the purifying box body.
6. The gas collecting and purifying equipment for polyester resin production as claimed in claim 2, wherein the purifying box body is fixedly provided with a guide rail on the inner wall, and one side of the ring plate is provided with a clamping groove adapted to the guide rail.
7. The gas collecting and purifying apparatus for polyester resin production according to claim 2, wherein the purifying box body is provided with a damper on an inner wall thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210968976.2A CN115040944B (en) | 2022-08-08 | 2022-08-08 | Gas collecting and purifying equipment for polyester resin production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210968976.2A CN115040944B (en) | 2022-08-08 | 2022-08-08 | Gas collecting and purifying equipment for polyester resin production |
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| Publication Number | Publication Date |
|---|---|
| CN115040944A true CN115040944A (en) | 2022-09-13 |
| CN115040944B CN115040944B (en) | 2022-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210968976.2A Active CN115040944B (en) | 2022-08-08 | 2022-08-08 | Gas collecting and purifying equipment for polyester resin production |
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