CN108745782B - Flange center joint reinforcing injection equipment and application method thereof - Google Patents
Flange center joint reinforcing injection equipment and application method thereof Download PDFInfo
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- CN108745782B CN108745782B CN201810592402.3A CN201810592402A CN108745782B CN 108745782 B CN108745782 B CN 108745782B CN 201810592402 A CN201810592402 A CN 201810592402A CN 108745782 B CN108745782 B CN 108745782B
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- flange
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- mixer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
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Abstract
The invention provides flange center joint reinforcing injection equipment and a using method thereof, wherein the flange center joint reinforcing injection equipment comprises an injection device and a sealing device connected with the injection device through a glue conveying hose; the injection device comprises two hoppers, a mixer, a booster pump, a gearbox and a driving motor, wherein the sealing device comprises a strip-shaped sealing belt made of a metal soft belt and a lock catch for tightly wrapping the sealing belt on the outer side of a central seam of a connected flange; the invention is especially suitable for the pre-control treatment of the low-pressure pipeline connecting flange, and reduces flange leakage; in addition, the two hoppers are mixed in the closed accommodating space of the mixer, so that the glue solution is prevented from being solidified in the mixer due to the construction time, the machine and accessories are very convenient to clean, the service life of the machine is prolonged, and the labor cost is saved.
Description
Technical Field
The invention belongs to the field of processing equipment, and particularly relates to flange center joint reinforcing injection equipment and a using method thereof.
Background
The flange connection is a detachable joint which is used for fixing two pipelines, pipe fittings or devices on one flange plate, adding a flange pad between the two flange plates, and tightening the two flange plates by bolts to tightly combine the two flange plates; the flange connection modes can be generally divided into five types: namely flat welding, butt welding, socket welding, loose sleeve and threads; the flange connection is an important connection mode for pipeline construction, and the flange connection is widely used in industrial pipelines, such as connection of various valves such as butterfly valves, gate valves, check valves and the like with pipelines in an indoor hydrant water supply system; the flange is usually sealed through the pretightning force of gasket and bolt, however, the type and the effect of installation of gasket, the mode and the pretightning force of bolt installation, and the factors such as the external load that cause flange junction because of the piping trend all can influence the sealed effect of flange, and the flange junction of low pressure pipeline and the relation flange junction of high pressure high temperature medium are not allowed to leak yet, once leak, not only need high maintenance cost, but also influence the safe operation of piping.
Disclosure of Invention
In view of the above, the present invention aims to provide a flange center joint reinforced injection device suitable for flange connection of low pressure pipelines.
In order to achieve the above purpose, the technical scheme adopted by the device of the invention is as follows: a flange center joint reinforcing injection device comprises an injection device and a sealing device connected with the injection device through a glue conveying hose; the injection device comprises two hoppers, a mixer, a booster pump, a gearbox and a driving motor, wherein the openings of the hoppers are vertically upwards arranged, the bottoms of the hoppers are connected with the mixer through a dispensing pipeline, the mixer comprises a closed accommodating space, the mixer is provided with an inlet connected with the dispensing pipeline and an outlet connected with the glue conveying hose, the dispensing pipeline is connected with the booster pump, and an output shaft of the driving motor is connected with the booster pump through the gearbox;
the sealing device comprises a strip-shaped sealing belt made of a metal soft belt and a lock catch for fastening and wrapping the sealing belt on the outer side of a central seam of a connected flange, the width of the sealing belt is larger than that of the central seam of the connected flange, a plurality of glue injection holes are uniformly distributed in the sealing belt, a detachable glue hole cover is covered on each glue injection hole, and the ports of the glue delivery hoses are mutually matched with the glue injection holes to be detachably connected.
Further, the sealing belt is also uniformly provided with exhaust holes, and the exhaust holes are covered with detachable vent covers.
Further, a sealing rubber strip made of an adhesive material, an elastic material or a viscoelastic material is further included, and the diameter of the sealing rubber strip is smaller than or equal to the width of the central seam of the connected flange.
Further, the lock catch comprises lock pins which can penetrate through two ends of the sealing band.
Further, the lock catch comprises a lock belt which can be coated on the outer side of the sealing belt and lock pins which can be penetrated at two ends of the lock belt.
Further, the pressurizing pump is a plunger type pressurizing pump.
The application method of the flange center joint reinforcing injection equipment comprises the following steps:
step one, installing a glue conveying hose: disassembling the injection cover, connecting one end of the glue delivery hose with the injection hole of the sealing device, and connecting the other end of the glue delivery hose with the mixer of the injection device;
step two, installing a sealing device: cutting a sealing strip with the length larger than the outer circumference of the connected flange according to the size of the flange, fastening, cladding and installing the sealing strip on a central seam of the connected flange, and aligning an injection hole with the middle position of the central seam of the connected flange;
starting an injection device: firstly, respectively filling middle joint reinforcing glue into two corresponding hoppers according to a certain proportion; switching on a power supply of the driving motor, starting the driving motor to work, transmitting power to a gearbox through a driving wheel arranged on the motor, transmitting the power to a booster pump after the speed of the gearbox is reduced, and pressing materials in a hopper into a mixer through a rubber distribution pipeline through the booster pump;
step four, mixing the raw materials by a mixer, pressing the raw materials into a flange glue injection sealing device through a glue delivery hose, and entering a flange center joint; when the reinforced glue is discharged from the exhaust hole, the driving motor is closed to stop injection;
and fifthly, after 20-40 min, removing the sealing device until the outflow reinforcing glue is solidified.
The application method of the flange center joint reinforcing injection device further comprises the following steps:
when the sealing device is installed, in order to fully inject colloid, the injection hole is arranged below the flange, and the exhaust hole is arranged above the flange; in order to further improve the sealing performance, a sealing adhesive tape made of a viscous material, an elastic material or a visco-elastic material is plugged into a middle joint of a connected flange, the sealing adhesive tape is 2-4 mm higher than the outer circle of the flange, and the sealing adhesive tape cannot be contacted with a flange gasket; in order to further improve the tightness, the outer circle of the flange is wound and protected by adopting a viscoelastic body belt.
The device according to the invention has the following advantages over the prior art:
(1) Injecting glue solution in the hopper into the mixer through the two hoppers, the booster pump, the driving motor and the gearbox, mixing the glue solution by the mixer, and injecting the glue solution into a center joint of the flange which is connected with the mixer through the conveying hose and the sealing device, namely a connecting joint surface of the flange; after the glue solution is solidified to realize sealing and reinforcement, the sealing belt is dismantled after solidification; by adopting the technical scheme of the invention, the middle joint of the flange is directly reinforced, and the high maintenance cost after the flange leakage can be reduced; the invention is especially suitable for the pre-control treatment of the low-pressure pipeline connecting flange, and reduces flange leakage; in addition, the two hoppers are mixed in the closed accommodating space of the mixer, so that the glue solution is prevented from being solidified in the mixer due to the construction time, the machine and accessories are very convenient to clean, the service life of the machine is prolonged, and the labor cost is saved.
(2) Through sealing strip, filling hole and exhaust hole for sealing device length can carry out the cutting of length according to the diameter specific condition of different flanges, has further improved connection speed, and processing is more convenient.
Drawings
In the accompanying drawings:
FIG. 1 is a diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic view of the flange center seam of the joint of FIG. 1;
fig. 3 is a schematic structural view of the latch.
Reference numerals illustrate:
1-injecting glue holes; 2-a sealing tape; 3-a glue conveying hose; 4-a mixer; 5-a glue dispensing pipeline; 6, a hopper; 7-import; 8-a booster pump; 9-driving a motor; 10-a gearbox; 11-outlet; 12-flanges; 13, a sealing rubber strip; 14-a glue hole cover; 15-middle joint; 16-exhaust holes; 17-an air hole cover; 18-locking the belt; 19-locking pin.
Detailed Description
The invention adopts the technical scheme that: as shown in figures 1, 2 and 3,
a flange center joint reinforcing injection device comprises an injection device and a sealing device connected with the injection device through a glue conveying hose; the injection device comprises two hoppers 6, a mixer 4, a pressure pump 8, a gearbox 10 and a driving motor 9, wherein the openings of the hoppers 6 are vertically upwards arranged, the bottoms of the hoppers are connected with the mixer 4 through a glue distribution pipeline 5, the mixer 4 comprises a closed accommodating space, the mixer 4 is provided with an inlet 7 connected with the glue distribution pipeline 5 and an outlet 11 connected with the glue delivery hose 3, the glue distribution pipeline 5 is connected with the pressure pump 8, and an output shaft of the driving motor 9 is connected with the pressure pump 8 through the gearbox 10;
the sealing device comprises a strip-shaped sealing belt 2 made of a metal soft belt and a lock catch 19 for fastening and wrapping the sealing belt 2 outside a central seam 15 of a connected flange 12, as shown in fig. 3, the lock catch 19 for fastening two ends of the sealing belt 2 is larger than the central seam 15 of the connected flange 12 in width, a plurality of glue injection holes 1 are uniformly distributed on the sealing belt 2, a detachable glue hole cover 14 is covered on the glue injection holes 1, and the ports of the glue delivery hose 3 are mutually matched with the glue injection holes 1 to be detachably connected.
Further, the sealing belt 2 is further uniformly provided with exhaust holes 16, and the exhaust holes 16 are covered with a detachable air hole cover 17.
Further, a bead 13 made of an adhesive material, an elastic material or a viscoelastic material is included, and the diameter of the bead 13 is smaller than or equal to the width of the slit 15 in the attached flange 12.
Further, the lock catch comprises lock pins which can penetrate through two ends of the sealing band 2.
Further, as shown in fig. 3, the lock catch includes a locking band 18 which can be wrapped around the outside of the sealing band 2, and locking pins 19 which can be inserted through both ends of the locking band 18.
Further, the pressurizing pump 8 is a plunger type pressurizing pump.
The flange center joint reinforcing injection device of this embodiment needs to be further described as follows: the injection device comprises two hoppers, wherein resin materials and curing agents are respectively added into the two hoppers, and main materials and curing agents which are prepared by taking resin as a base material in a mixer are mixed in a ratio of 2:1; the sealing rubber strip made of the viscoelastic material adopts Holland Inlet Stokes viscoelastic body; the gearbox adopts a two-stage speed change structure.
The invention relates to a flange center joint reinforcing injection device, which has the working principle that: the two hoppers of the injection device are used for injecting the two-component raw materials, one end of the glue conveying hose is connected with the mixer, and the other end of the glue conveying hose is connected with the sealing device; after the power supply is connected, the driving motor drives the pressurizing pump through the gearbox to mix injection materials in the two hoppers through the mixer and then inject the mixed injection materials into the center joint of the connected flange; by adopting the technical scheme, the middle joint of the flange is directly reinforced, the hidden danger of flange leakage of the low-pressure pipeline is directly closed in an original state, the flange gasket is protected from corrosion and external force impact, and the reinforced flange can bear medium leakage below 2.5 MPa; the technical scheme of the invention is very necessary for the pre-control treatment of the flange in the early stage, and can reduce the high maintenance cost after the leakage of the low-pressure flange.
The invention relates to a method for using flange center joint reinforcing injection equipment, which comprises the following steps:
1. installing a glue conveying hose: disassembling the injection cover, connecting one end of the glue delivery hose with the injection hole of the sealing device, and connecting the other end of the glue delivery hose with the mixer of the injection device;
2. and (3) installing a sealing device: and (3) installing a sealing device: cutting a sealing strip with the length larger than the outer circumference of the connected flange according to the size of the flange, fastening, cladding and installing the sealing strip on a central seam of the connected flange, and aligning an injection hole with the middle position of the central seam of the connected flange; in order to fully inject the colloid, the injection hole is arranged below the flange, and the exhaust hole is arranged above the flange; in order to further improve the sealing performance, a sealing adhesive tape made of a viscous material, an elastic material or a visco-elastic material is plugged into a middle joint of a connected flange, the sealing adhesive tape is 2-4 mm higher than the outer circle of the flange, and the sealing adhesive tape cannot be contacted with a flange gasket; in order to further improve the tightness, the outer circle of the flange is wound and protected by adopting a viscoelastic body belt;
3. starting the injection device: firstly, respectively filling middle joint reinforcing glue into two corresponding hoppers according to a certain proportion; switching on a power supply of the driving motor, starting the driving motor to work, transmitting power to a gearbox through a driving wheel arranged on the motor, transmitting the power to a booster pump after the speed of the gearbox is reduced, and pressing materials in a hopper into a mixer through a rubber distribution pipeline through the booster pump;
4. the raw materials are mixed by a mixer and then are pressed into a flange glue injection sealing device through a glue delivery hose, and enter a flange center joint; when the reinforced glue is discharged from the exhaust hole, the driving motor is closed to stop injection;
5. and after 20-40 min, removing the sealing device until the outflow reinforcing glue is solidified.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (8)
1. The utility model provides a flange middling enhancement injection equipment which characterized in that: comprises an injection device and a sealing device connected with the injection device through a glue delivery hose; the injection device comprises two hoppers, a mixer, a booster pump, a gearbox and a driving motor, wherein the openings of the hoppers are vertically upwards arranged, the bottoms of the hoppers are connected with the mixer through a dispensing pipeline, the mixer comprises a closed accommodating space, the mixer is provided with an inlet connected with the dispensing pipeline and an outlet connected with the glue conveying hose, the dispensing pipeline is connected with the booster pump, and an output shaft of the driving motor is connected with the booster pump through the gearbox;
the sealing device comprises a strip-shaped sealing belt made of a metal soft belt and a lock catch for fastening and wrapping the sealing belt on the outer side of a central seam of a connected flange, the width of the sealing belt is larger than that of the central seam of the connected flange, a plurality of glue injection holes are uniformly distributed in the sealing belt, a detachable glue hole cover is covered on each glue injection hole, and the ports of the glue conveying hoses are mutually matched with the glue injection holes to be detachably connected.
2. A flange mid-joint reinforcing injection apparatus as set forth in claim 1, wherein: the sealing belt is also uniformly distributed with exhaust holes, and the exhaust holes are covered with detachable vent covers.
3. A flange mid-joint reinforcing injection apparatus as set forth in claim 1, wherein: and a sealing rubber strip made of an adhesive material, an elastic material or a visco-elastic material, wherein the diameter of the sealing rubber strip is smaller than or equal to the width of the central seam of the connected flange.
4. A flange seam reinforcing injection apparatus according to any of claims 1 to 3, wherein: the lock catch comprises lock pins which can penetrate through two ends of the sealing band.
5. A flange seam reinforcing injection apparatus according to any of claims 1 to 3, wherein: the lock catch comprises a lock belt capable of being coated on the outer side of the sealing belt and lock pins capable of penetrating through two ends of the lock belt.
6. A flange seam reinforcing injection apparatus according to any of claims 1 to 3, wherein: the pressure pump is a plunger type pressure pump.
7. The method of using a flange center seam enhanced injection device of claim 1, comprising the steps of:
step one, installing a glue conveying hose: disassembling the injection cover, connecting one end of the glue delivery hose with the injection hole of the sealing device, and connecting the other end of the glue delivery hose with the mixer of the injection device;
step two, installing a sealing device: cutting a sealing strip with the length larger than the outer circumference of the connected flange according to the size of the flange, fastening, cladding and installing the sealing strip on a central seam of the connected flange, and aligning an injection hole with the middle position of the central seam of the connected flange;
starting an injection device: firstly, respectively filling middle joint reinforcing glue into two corresponding hoppers according to a certain proportion; switching on a power supply of the driving motor, starting the driving motor to work, transmitting power to a gearbox through a driving wheel arranged on the motor, transmitting the power to a booster pump after the speed of the gearbox is reduced, and pressing materials in a hopper into a mixer through a rubber distribution pipeline through the booster pump;
step four, mixing the raw materials by a mixer, pressing the raw materials into a flange glue injection sealing device through a glue delivery hose, and entering a flange center joint; when the reinforced glue is discharged from the exhaust hole, the driving motor is closed to stop injection;
and fifthly, after 20-40 min, removing the sealing device until the outflow reinforcing glue is solidified.
8. The method of using a flange mid-joint reinforcing injection apparatus of claim 7, further comprising the steps of:
when the sealing device is installed, in order to fully inject colloid, the injection hole is arranged below the flange, and the exhaust hole is arranged above the flange; in order to further improve the sealing performance, a sealing adhesive tape made of a viscous material, an elastic material or a visco-elastic material is plugged into a middle joint of a connected flange, the sealing adhesive tape is 2-4 mm higher than the outer circle of the flange, and the sealing adhesive tape cannot be contacted with a flange gasket; in order to further improve the tightness, the outer circle of the flange is wound and protected by adopting a viscoelastic body belt.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810592402.3A CN108745782B (en) | 2018-06-11 | 2018-06-11 | Flange center joint reinforcing injection equipment and application method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810592402.3A CN108745782B (en) | 2018-06-11 | 2018-06-11 | Flange center joint reinforcing injection equipment and application method thereof |
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| CN108745782A CN108745782A (en) | 2018-11-06 |
| CN108745782B true CN108745782B (en) | 2023-06-23 |
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| CN110578843B (en) * | 2019-09-23 | 2021-01-15 | 张凡君 | Leakage-preventing sealing process for pressure pipeline flange |
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| SU1717260A1 (en) * | 1989-07-26 | 1992-03-07 | Челябинский Политехнический Институт Им.Ленинского Комсомола | Device for coating internal surface of circular seam of pipeline |
| US5144788A (en) * | 1988-06-28 | 1992-09-08 | Valois S.A. | Method of vacuum-packing a liquid or a paste in a flexible tube having a dispensing pump or valve |
| US6691932B1 (en) * | 2000-05-05 | 2004-02-17 | Sealant Equipment & Engineering, Inc. | Orbital applicator tool with static mixer tip seal valve |
| CN201620802U (en) * | 2010-03-23 | 2010-11-03 | 韩忠奇 | Oil production wellhead leak sealing locking device |
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| DE102014016207A1 (en) * | 2014-10-31 | 2016-05-04 | Dürr Systems GmbH | Applicator for application of a job material |
| CN206523473U (en) * | 2017-01-04 | 2017-09-26 | 国家电网公司 | A kind of combined electrical apparatus flange seal glue-pouring device |
| CN208627699U (en) * | 2018-06-11 | 2019-03-22 | 中海油安全技术服务有限公司 | Seam reinforces injection device in a kind of flange |
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2018
- 2018-06-11 CN CN201810592402.3A patent/CN108745782B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5144788A (en) * | 1988-06-28 | 1992-09-08 | Valois S.A. | Method of vacuum-packing a liquid or a paste in a flexible tube having a dispensing pump or valve |
| SU1717260A1 (en) * | 1989-07-26 | 1992-03-07 | Челябинский Политехнический Институт Им.Ленинского Комсомола | Device for coating internal surface of circular seam of pipeline |
| US6691932B1 (en) * | 2000-05-05 | 2004-02-17 | Sealant Equipment & Engineering, Inc. | Orbital applicator tool with static mixer tip seal valve |
| CN201620802U (en) * | 2010-03-23 | 2010-11-03 | 韩忠奇 | Oil production wellhead leak sealing locking device |
| CN102673897A (en) * | 2011-03-11 | 2012-09-19 | 苏舍米克斯帕克有限公司 | Multi-component cartridge |
| DE102014016207A1 (en) * | 2014-10-31 | 2016-05-04 | Dürr Systems GmbH | Applicator for application of a job material |
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| CN108745782A (en) | 2018-11-06 |
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