CN113667984A - Corrosion inhibitor and pipeline corrosion inhibitor coating device - Google Patents
Corrosion inhibitor and pipeline corrosion inhibitor coating device Download PDFInfo
- Publication number
- CN113667984A CN113667984A CN202010402274.9A CN202010402274A CN113667984A CN 113667984 A CN113667984 A CN 113667984A CN 202010402274 A CN202010402274 A CN 202010402274A CN 113667984 A CN113667984 A CN 113667984A
- Authority
- CN
- China
- Prior art keywords
- corrosion inhibitor
- support ring
- percent
- channel
- pipe body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/18—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using inorganic inhibitors
- C23F11/187—Mixtures of inorganic inhibitors
- C23F11/188—Mixtures of inorganic inhibitors containing phosphates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/06—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
-
- 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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
A corrosion inhibitor and a pipeline corrosion inhibitor coating device. The invention provides a pipeline corrosion inhibitor coating device which comprises a pipe body, wherein a first supporting mechanism, a second supporting mechanism and a cleaning mechanism are arranged outside the pipe body; the inside solvent chamber that is equipped with of body, be equipped with on the body and annotate liquid mouth and the air inlet with solvent chamber intercommunication, it is equipped with the sealing plug in the liquid mouth to annotate, be equipped with one-way admission valve in the air inlet, the inside annular air cavity that is equipped with of first end of body, be equipped with the induced air mouth with annular air cavity intercommunication on the body, be equipped with the draught fan in the induced air mouth, a plurality of spray tubes of being connected with the body is perpendicular to the outside circumference of first end of body have been arranged, be equipped with the jet channel of arranging along its axial in the spray tube, the jet channel is through leading air flue and annular air cavity intercommunication, still be equipped with the hydrojet way around jet channel spiral arrangement in the body, the spiral center pin of hydrojet channel coincides with the center pin of jet channel, and hydrojet channel and solvent chamber intercommunication, hydrojet channel and solvent chamber junction are equipped with atomizing nozzle. The invention can uniformly coat the corrosion inhibitor on the inner wall of the pipeline, and the coating effect of the corrosion inhibitor is good.
Description
Technical Field
The invention relates to the technical field of corrosion inhibitors, in particular to a corrosion inhibitor and a pipeline corrosion inhibitor coating device.
Background
Aiming at corrosion of equipment and pipelines caused by Cl ions and H ions generated by ionization of sodium chloride and calcium chloride solutions in central air conditioners and circulating refrigerant systems in the operation process, the common water treatment process flow is generally adopted in the industry for treatment, water sample analysis is firstly carried out, then, the materials are fed through the anion and cation inhibitory treatment agents which are temporarily proportioned, and the formula is continuously adjusted according to detection in a period to carry out regular feeding control, so that the cost is high, the effect is poor, and the service life of the equipment is seriously influenced.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a corrosion inhibitor and a pipeline corrosion inhibitor coating device.
The invention provides a corrosion inhibitor which comprises the following raw materials in percentage by mass: 21-31% of trisodium phosphate, 30-42% of sodium tripolyphosphate, 5.5-10.5% of sodium hexametaphosphate, 8.5-14.5% of sodium hydroxyethylidene diphosphate, 10-15% of urotropine, 0.5-1.5% of silicon dioxide, 0.5-1.5% of benzotriazole, 1-5% of molybdate and the balance of deionized water.
Preferably, the raw materials comprise, by mass: 26.6 percent of trisodium phosphate, 36.7 percent of sodium tripolyphosphate, 8.1 percent of sodium hexametaphosphate, 12.2 percent of tetra sodium hydroxyethylidene diphosphate, 12.2 percent of urotropine, 0.81 percent of silicon dioxide, 0.81 percent of benzotriazole, 2.1 percent of molybdate and the balance of deionized water.
Preferably, the raw materials comprise, by mass: 21% of trisodium phosphate, 42% of sodium tripolyphosphate, 10.5% of sodium hexametaphosphate, 8.5% of tetrasodium hydroxyethylidene diphosphate, 10% of urotropine, 0.5% of silicon dioxide, 0.5% of benzotriazole, 1% of molybdate and the balance of deionized water.
Preferably, the raw materials comprise, by mass: 31% of trisodium phosphate, 30% of sodium tripolyphosphate, 5.5% of sodium hexametaphosphate, 14.5% of tetrasodium hydroxyethylidene diphosphate, 15% of urotropine, 1.5% of silicon dioxide, 1.5% of benzotriazole, 5% of molybdate and the balance of deionized water.
The invention also provides a device for coating the pipeline with the corrosion inhibitor, which comprises a pipe body, wherein a first supporting mechanism, a second supporting mechanism and a cleaning mechanism are sequentially arranged outside the pipe body from the first end to the second end; the inside solvent chamber that is equipped with the notes corrosion inhibitor of body, be equipped with notes liquid mouth and the air inlet with solvent chamber intercommunication on the body, be equipped with the sealing plug in the notes liquid mouth, be equipped with one-way admission valve in the air inlet, the inside annular air cavity that is equipped with of body first end, be equipped with the induced air mouth with annular air cavity intercommunication on the body, be equipped with the draught fan in the induced air mouth, the outside circumference of body first end has arranged a plurality of spray tubes of being connected with the body is perpendicular, be equipped with the air vent of arranging along its axial in the spray tube, the air vent is through leading air vent and annular air cavity intercommunication, still be equipped with the hydrojet way around the air vent spiral arrangement in the body, the spiral center pin of hydrojet way and the center pin coincidence of air vent, and hydrojet way and solvent chamber intercommunication, hydrojet way and solvent chamber junction are equipped with atomizing nozzle.
Preferably, first supporting mechanism includes first supporting ring and a plurality of first supporting wheel, and first supporting ring cover is established outside the body and the center pin coincidence of the center pin of first supporting ring and body, and first supporting ring is through a plurality of first connecting pieces and body outer wall connection, and a plurality of first mounting brackets have been arranged to the outside circumference of first supporting ring, and a plurality of first supporting wheels set up and a plurality of first supporting wheel rotate respectively with a plurality of first mounting brackets with a plurality of first mounting bracket one-to-ones respectively and are connected.
Preferably, the first support ring and the first connecting piece are made of elastic soft materials; preferably, the first supporting wheel is made of polyurethane or rubber material with elasticity and wear resistance.
Preferably, the second supporting mechanism comprises a second supporting ring and a plurality of second supporting wheels, the second supporting ring is sleeved outside the pipe body, the central shaft of the second supporting ring coincides with the central shaft of the pipe body, the second supporting ring is connected with the outer wall of the pipe body through a plurality of second connecting pieces, a plurality of second mounting frames are arranged in the circumferential direction outside the second supporting ring, the plurality of second supporting wheels are arranged in a one-to-one correspondence mode with the plurality of second mounting frames respectively, and the plurality of second supporting wheels are rotatably connected with the plurality of second mounting frames respectively.
Preferably, the second support ring and the second connecting piece are both made of elastic soft materials; preferably, the second supporting wheel is made of polyurethane or rubber material with elasticity and wear resistance.
Preferably, the cleaning mechanism comprises a toothed chain, a plurality of gears, a driving motor and a plurality of cleaning brushes, the plurality of gears are circumferentially arranged outside the pipe body, the driving motor is connected with one of the gears and drives the gear to rotate, the toothed chain is installed outside the plurality of gears and meshed with the plurality of gears, the plurality of cleaning brushes are circumferentially arranged outside the toothed chain, and the plurality of cleaning brushes are connected with the toothed chain.
The invention provides a pipeline corrosion inhibitor coating device, in the coating process, gas is conveyed into a pipeline to push the pipeline to walk in the pipeline, in the operation process, a first supporting wheel and a second supporting wheel are always in close contact with the inner wall of the pipeline, a cleaning brush is also in contact with the inner wall of the pipeline to clean the inner wall of the pipeline, gas is introduced into an annular gas cavity by an induced draft fan, an atomizing nozzle sprays corrosion inhibitors into a liquid spraying pipeline, and one end of a spraying pipe, which is far away from a pipe body, is spirally arranged outside the gas flow when the gas comes out from the gas spraying pipeline, so that the atomized corrosion inhibitors can be diffused in a large range and uniformly adhered to the inner wall of the pipeline to form a corrosion inhibitor protective film, chloride ions and hydrogen ions are prevented from corroding the pipeline, the service life of the pipeline is greatly prolonged, the pipeline has the capability of efficiently inhibiting and eliminating H + corrosion and inhibiting the breeding of bacteria after the corrosion inhibitor is added, the freezing point of a chilled water (refrigerant liquid) system can be lowered by 2-3 ℃, and the refrigeration effect is effectively improved.
The corrosion inhibitor provided by the invention has a corrosion inhibition rate of more than 96% on a circulating water system taking sodium chloride and calcium chloride solution as refrigerant liquid, can form a super protective film on the metal surface in equipment, prevents chloride ions and hydrogen ions from corroding stainless steel and carbon steel equipment, and greatly prolongs the service life of the equipment; the invention can also be used in chilled water (coolant) systems such as ethylene glycol, propylene glycol, glycerol, methanol and the like, and can effectively inhibit and eliminate equipment corrosion caused by ionized H & lt + & gt of ethylene glycol, propylene glycol, glycerol and methanol solutions in the running process and inhibit the influence efficiency of breeding bacteria on the systems. After the invention is added, the invention not only has the capability of efficiently inhibiting and eliminating H + corrosion and inhibiting the breeding of fungi, but also can lower the freezing point of a chilled water (refrigerant liquid) system by 2-3 ℃, thereby effectively improving the refrigeration effect.
Drawings
FIG. 1 is a schematic structural diagram of a corrosion inhibitor coating apparatus for pipelines according to the present invention;
FIG. 2 is a schematic structural diagram of a tube body of a corrosion inhibitor coating apparatus for pipelines according to the present invention;
FIG. 3 is a schematic structural diagram of a first supporting mechanism in a pipeline corrosion inhibitor coating apparatus according to the present invention;
FIG. 4 is a schematic structural diagram of a second supporting mechanism in the corrosion inhibitor coating apparatus for pipelines according to the present invention;
FIG. 5 is a schematic structural diagram of a cleaning mechanism in a corrosion inhibitor coating apparatus for pipelines according to the present invention.
Detailed Description
Referring to fig. 1-5, the invention provides a pipeline corrosion inhibitor coating device, which comprises a pipe body 1, wherein a first supporting mechanism, a second supporting mechanism and a cleaning mechanism are sequentially arranged outside the pipe body 1 from a first end to a second end; wherein:
a solvent cavity 2 filled with corrosion inhibitor is arranged inside a tube body 1, a liquid injection port 3 and an air inlet 4 which are communicated with the solvent cavity 2 are arranged on the tube body 1, a sealing plug is arranged in the liquid injection port 3, a one-way air inlet valve is arranged in the air inlet 4, an annular air cavity 5 is arranged inside the first end of the tube body 1, an air induction port 6 which is communicated with the annular air cavity 5 is arranged on the tube body 1, an induced draft fan is arranged in the air induction port 6, a plurality of spray tubes 7 which are vertically connected with the tube body 1 are circumferentially arranged outside the first end of the tube body 1, an air channel 8 which is axially arranged in the spray tubes 7 is communicated with the annular air cavity 5 through an air guide channel 9, a liquid injection channel 10 which is spirally arranged around the air channel 8 is also arranged in the tube body 1, and the spiral central shaft of the liquid injection channel 10 is superposed with the central shaft of the air channel 8, and the liquid spraying channel 10 is communicated with the solvent cavity 2, and an atomizing nozzle is arranged at the joint of the liquid spraying channel 10 and the solvent cavity 2.
First supporting mechanism includes first supporting ring 11 and a plurality of first supporting wheel 12, first supporting ring 11 cover is established at body 1 outside and the center pin of first supporting ring 11 and the center pin coincidence of body 1, first supporting ring 11 is through a plurality of first connecting piece 14 and 1 outer wall connection of body, a plurality of first mounting brackets 13 have been arranged to 11 outside circumference of first supporting ring, a plurality of first supporting wheel 12 set up and a plurality of first supporting wheel 12 rotate respectively with a plurality of first mounting brackets 13 one-to-one respectively and be connected. The first support ring 11 and the first connecting member 14 are made of a soft material with elasticity, and the first support wheel 12 is made of a polyurethane or rubber material with elasticity and wear resistance. In the process of coating, the plurality of first supporting wheels 12 are always in close contact with the inner wall of the pipeline 22, and the first supporting rings 11 and the first connecting pieces 14 are made of elastic soft materials, so that the pipeline 22 can smoothly pass through the reducing part.
The second supporting mechanism comprises a second supporting ring 15 and a plurality of second supporting wheels 16, the second supporting ring 15 is sleeved on the outer portion of the pipe body 1, the central shaft of the second supporting ring 15 coincides with the central shaft of the pipe body 1, the second supporting ring 15 is connected with the outer wall of the pipe body 1 through a plurality of second connecting pieces 18, a plurality of second mounting frames 17 are circumferentially arranged on the outer portion of the second supporting ring 15, the plurality of second supporting wheels 16 are respectively arranged in a one-to-one correspondence mode with the plurality of second mounting frames 17, and the plurality of second supporting wheels 16 are respectively connected with the plurality of second mounting frames 17 in a rotating mode. The second support ring 15 and the second connecting member 18 are made of a flexible material with elasticity, and the second support wheel 16 is made of a polyurethane or rubber material with elasticity and wear resistance. In the process of coating, the plurality of second supporting wheels 16 are always in close contact with the inner wall of the pipeline 22, and the second supporting rings 15 and the second connecting pieces 18 are made of elastic soft materials, so that the flexible supporting rings can pass through the reducing part of the pipeline 22 smoothly.
The cleaning mechanism comprises a toothed chain 19, a plurality of gears 20, a driving motor and a plurality of cleaning brushes 21, the plurality of gears 20 are circumferentially arranged outside the pipe body 1, the driving motor is connected with one of the gears 20 and drives the gear 20 to rotate, the toothed chain 19 is installed outside the plurality of gears 20 and meshed with the plurality of gears 20, the plurality of cleaning brushes 21 are circumferentially arranged outside the toothed chain 19, and the plurality of cleaning brushes 21 are connected with the toothed chain 19. In the process of coating, the plurality of cleaning brushes 21 are always in close contact with the inner wall of the pipeline 22, and the bristles of the cleaning brushes 21 can deform at the reducing part of the pipeline 22 so that the coating device can smoothly pass through.
During the coating process, gas is conveyed into the pipeline 22 to push the corrosion inhibitor to travel in the pipeline 22, during the operation process, the first supporting wheel 12 and the second supporting wheel 16 are always in close contact with the inner wall of the pipeline 22, the cleaning brush 21 is also in contact with the inner wall of the pipeline 22 to clean the inner wall of the pipeline 22, a draught fan introduces gas into the annular air cavity 5, the atomizing nozzle sprays the corrosion inhibitor into the liquid spraying channel 10, and the end of the spraying pipe 7, which is far away from the pipe body 1, is used for spirally arranging the corrosion inhibitor sprayed out of the liquid spraying channel 10 outside the air flow when the gas comes out of the gas spraying channel 8, so that the atomized corrosion inhibitor can be diffused in a large range and attached to the inner wall of the pipeline 22 to form a corrosion inhibitor protective film, the pipeline is prevented from being corroded by chloride ions and hydrogen ions, the service life of the pipeline 22 is greatly prolonged, and the pipeline 22 has the capability of efficiently inhibiting and eliminating H + corrosion and inhibiting the growth of bacteria after being added, the freezing point of a chilled water (refrigerant liquid) system can be lowered by 2-3 ℃, and the refrigeration effect is effectively improved.
Example 1
The corrosion inhibitor used by the pipeline corrosion inhibitor coating device comprises the following raw materials in percentage by mass: 26.6 percent of trisodium phosphate, 36.7 percent of sodium tripolyphosphate, 8.1 percent of sodium hexametaphosphate, 12.2 percent of tetra sodium hydroxyethylidene diphosphate, 12.2 percent of urotropine, 0.81 percent of silicon dioxide, 0.81 percent of benzotriazole, 2.1 percent of molybdate and the balance of deionized water.
TABLE 1
| Item | Corrosion rate | Unit of |
| Before adding | 12.36-15.63 | g/m2.h |
| After being added with the raw materials | 0.0015 | g/m2.h |
As can be seen from table 1, the corrosion inhibitor proposed in this example 1 has a significant corrosion inhibiting effect.
Example 2
The corrosion inhibitor used by the pipeline corrosion inhibitor coating device comprises the following raw materials in percentage by mass: 21% of trisodium phosphate, 42% of sodium tripolyphosphate, 10.5% of sodium hexametaphosphate, 8.5% of tetrasodium hydroxyethylidene diphosphate, 10% of urotropine, 0.5% of silicon dioxide, 0.5% of benzotriazole, 1% of molybdate and the balance of deionized water.
TABLE 2
| Item | Corrosion rate | Unit of |
| Before adding | 12.36-15.63 | g/m2.h |
| After being added with the raw materials | 0.0011 | g/m2.h |
As can be seen from table 2, the corrosion inhibitor proposed in this example 2 has a significant corrosion inhibition effect.
Example 3
The corrosion inhibitor used by the pipeline corrosion inhibitor coating device comprises the following raw materials in percentage by mass: 31% of trisodium phosphate, 30% of sodium tripolyphosphate, 5.5% of sodium hexametaphosphate, 14.5% of tetrasodium hydroxyethylidene diphosphate, 15% of urotropine, 1.5% of silicon dioxide, 1.5% of benzotriazole, 5% of molybdate and the balance of deionized water.
TABLE 3
| Item | Corrosion rate | Unit of |
| Before adding | 12.36-15.63 | g/m2.h |
| After being added with the raw materials | 0.00125 | g/m2.h |
As can be seen from table 3, the corrosion inhibitor proposed in this example 3 has a significant corrosion inhibiting effect.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The corrosion inhibitor is characterized by comprising the following raw materials in percentage by mass: 21-31% of trisodium phosphate, 30-42% of sodium tripolyphosphate, 5.5-10.5% of sodium hexametaphosphate, 8.5-14.5% of sodium hydroxyethylidene diphosphate, 10-15% of urotropine, 0.5-1.5% of silicon dioxide, 0.5-1.5% of benzotriazole, 1-5% of molybdate and the balance of deionized water.
2. The corrosion inhibitor according to claim 1, characterized in that the raw materials thereof comprise, by mass: 26.6 percent of trisodium phosphate, 36.7 percent of sodium tripolyphosphate, 8.1 percent of sodium hexametaphosphate, 12.2 percent of tetra sodium hydroxyethylidene diphosphate, 12.2 percent of urotropine, 0.81 percent of silicon dioxide, 0.81 percent of benzotriazole, 2.1 percent of molybdate and the balance of deionized water.
3. The corrosion inhibitor according to claim 1, characterized in that the raw materials thereof comprise, by mass: 21% of trisodium phosphate, 42% of sodium tripolyphosphate, 10.5% of sodium hexametaphosphate, 8.5% of tetrasodium hydroxyethylidene diphosphate, 10% of urotropine, 0.5% of silicon dioxide, 0.5% of benzotriazole, 1% of molybdate and the balance of deionized water.
4. The corrosion inhibitor according to claim 1, characterized in that the raw materials thereof comprise, by mass: 31% of trisodium phosphate, 30% of sodium tripolyphosphate, 5.5% of sodium hexametaphosphate, 14.5% of tetrasodium hydroxyethylidene diphosphate, 15% of urotropine, 1.5% of silicon dioxide, 1.5% of benzotriazole, 5% of molybdate and the balance of deionized water.
5. An apparatus for coating a pipeline with a corrosion inhibitor according to any one of claims 1 to 4, comprising a pipe body (1), wherein the outside of the pipe body (1) is provided with a first supporting mechanism, a second supporting mechanism and a cleaning mechanism in sequence from a first end to a second end; a solvent cavity (2) filled with corrosion inhibitor is arranged inside the tube body (1), a liquid injection port (3) and an air inlet (4) which are communicated with the solvent cavity (2) are arranged on the tube body (1), a sealing plug is arranged in the liquid injection port (3), a one-way air inlet valve is arranged in the air inlet (4), an annular air cavity (5) is arranged inside the first end of the tube body (1), an air induction port (6) communicated with the annular air cavity (5) is arranged on the tube body (1), a draught fan is arranged in the air induction port (6), a plurality of spray pipes (7) which are vertically connected with the tube body (1) are circumferentially arranged outside the first end of the tube body (1), an air jet channel (8) which is axially arranged is arranged in the spray pipes (7), the air jet channel (8) is communicated with the annular air cavity (5) through an air guide channel (9), a liquid jet channel (10) which is spirally arranged around the air jet channel (8) is also arranged in the tube body (1), and the spiral central axis of the liquid jet channel (10) is superposed with the central axis of the air jet channel (8), and the liquid spraying channel (10) is communicated with the solvent cavity (2), and an atomizing nozzle is arranged at the joint of the liquid spraying channel (10) and the solvent cavity (2).
6. The corrosion inhibitor coating device according to claim 5, wherein the first support mechanism comprises a first support ring (11) and a plurality of first support wheels (12), the first support ring (11) is sleeved outside the pipe body (1), a central axis of the first support ring (11) coincides with a central axis of the pipe body (1), the first support ring (11) is connected with the outer wall of the pipe body (1) through a plurality of first connecting pieces (14), a plurality of first mounting frames (13) are circumferentially arranged outside the first support ring (11), the plurality of first support wheels (12) are respectively arranged in one-to-one correspondence with the plurality of first mounting frames (13), and the plurality of first support wheels (12) are respectively connected with the plurality of first mounting frames (13) in a rotating manner.
7. The corrosion inhibitor coating apparatus according to claim 6, wherein the first support ring (11) and the first connecting member (14) are made of a flexible material having elasticity; preferably, the first supporting wheel (12) is made of polyurethane or rubber material with elasticity and wear resistance.
8. The corrosion inhibitor coating apparatus according to claim 5, wherein the second support mechanism comprises a second support ring (15) and a plurality of second support wheels (16), the second support ring (15) is sleeved outside the pipe body (1), a central axis of the second support ring (15) coincides with a central axis of the pipe body (1), the second support ring (15) is connected with the outer wall of the pipe body (1) through a plurality of second connecting pieces (18), a plurality of second mounting brackets (17) are circumferentially arranged outside the second support ring (15), the plurality of second support wheels (16) are respectively arranged in one-to-one correspondence with the plurality of second mounting brackets (17), and the plurality of second support wheels (16) are respectively connected with the plurality of second mounting brackets (17) in a rotating manner.
9. The corrosion inhibitor coating apparatus according to claim 8, wherein the second support ring (15) and the second connecting member (18) are made of a flexible material having elasticity; preferably, the second support wheel (16) is made of polyurethane or rubber material with elasticity and wear resistance.
10. The corrosion inhibitor coating apparatus according to claim 5, wherein the cleaning mechanism comprises a toothed chain (19), a plurality of gears (20), a driving motor and a plurality of cleaning brushes (21), the plurality of gears (20) are circumferentially arranged outside the tube body (1), the driving motor is connected with one of the gears (20) and drives the gear (20) to rotate, the toothed chain (19) is arranged outside the plurality of gears (20) and is meshed with the plurality of gears (20), the plurality of cleaning brushes (21) are circumferentially arranged outside the toothed chain (19), and the plurality of cleaning brushes (21) are connected with the toothed chain (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010402274.9A CN113667984B (en) | 2020-05-13 | 2020-05-13 | Corrosion inhibitor and pipeline corrosion inhibitor film coating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010402274.9A CN113667984B (en) | 2020-05-13 | 2020-05-13 | Corrosion inhibitor and pipeline corrosion inhibitor film coating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113667984A true CN113667984A (en) | 2021-11-19 |
| CN113667984B CN113667984B (en) | 2023-08-22 |
Family
ID=78536885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010402274.9A Active CN113667984B (en) | 2020-05-13 | 2020-05-13 | Corrosion inhibitor and pipeline corrosion inhibitor film coating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113667984B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1068312A (en) * | 1991-07-09 | 1993-01-27 | 化学工业部天津化工研究院 | Corrosion inhibiting antisludging agent for circularly-cooling sea water |
| JPH0835084A (en) * | 1994-07-22 | 1996-02-06 | Mitsubishi Heavy Ind Ltd | Rust preventive for metal |
| CN101838057A (en) * | 2009-03-16 | 2010-09-22 | 董兆祥 | Multifunctional anti-incrustation corrosion inhibitor and preparation method thereof |
| CN202877044U (en) * | 2012-09-05 | 2013-04-17 | 梁法春 | Corrosion inhibitor film coating device of gathering and transporting pipeline |
| CN103496794A (en) * | 2013-09-26 | 2014-01-08 | 广东省石油化工研究院 | Corrosion and scale inhibitor for treating circulating cooling water |
| CN104609579A (en) * | 2013-11-01 | 2015-05-13 | 湖州欧美新材料有限公司 | Multi-component corrosion and scale inhibitor |
-
2020
- 2020-05-13 CN CN202010402274.9A patent/CN113667984B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1068312A (en) * | 1991-07-09 | 1993-01-27 | 化学工业部天津化工研究院 | Corrosion inhibiting antisludging agent for circularly-cooling sea water |
| JPH0835084A (en) * | 1994-07-22 | 1996-02-06 | Mitsubishi Heavy Ind Ltd | Rust preventive for metal |
| CN101838057A (en) * | 2009-03-16 | 2010-09-22 | 董兆祥 | Multifunctional anti-incrustation corrosion inhibitor and preparation method thereof |
| CN202877044U (en) * | 2012-09-05 | 2013-04-17 | 梁法春 | Corrosion inhibitor film coating device of gathering and transporting pipeline |
| CN103496794A (en) * | 2013-09-26 | 2014-01-08 | 广东省石油化工研究院 | Corrosion and scale inhibitor for treating circulating cooling water |
| CN104609579A (en) * | 2013-11-01 | 2015-05-13 | 湖州欧美新材料有限公司 | Multi-component corrosion and scale inhibitor |
Non-Patent Citations (1)
| Title |
|---|
| 周本省: "《工业水处理技术》", 28 February 1997, 化学工业出版社 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113667984B (en) | 2023-08-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS62109000A (en) | Cleaning of internal surface of heat transfer tube in heat exchanger | |
| EP0357572A1 (en) | A process for cleaning tube type heat exchangers | |
| KR100822354B1 (en) | Scale removal device for water pipes | |
| CN113667984B (en) | Corrosion inhibitor and pipeline corrosion inhibitor film coating device | |
| US6758282B2 (en) | Fire protection pipe and methods of manufacture | |
| CN110565161A (en) | Tail gas transmission device | |
| CN205570929U (en) | Pipeline high pressure cleaning system | |
| CN202778857U (en) | Bent-tube inner-wall reinforcement anti-corrosion processing device | |
| US20080216870A1 (en) | Dry Ice Blasting With Ozone-Containing Carrier Gas | |
| CN105020732A (en) | Device for treating and recycling exhaust gas of boiler | |
| CN104259157B (en) | The preparation method of gel composite tube cleaner and cross-linked polyacrylamide aqueous gel | |
| CN210255602U (en) | A high-efficient rust cleaning device for steel pipe | |
| CN216447686U (en) | Corrosion prevention device for long-distance urban natural gas pipeline | |
| CN202860937U (en) | Micro-explosion type water pipeline scaling apparatus | |
| WO2022018016A8 (en) | Air purifying device, animal fattening system, and use | |
| CN115183252B (en) | Tail gas treatment device | |
| CN103060830B (en) | The antibacterial technique of Oilfield Water Injection Pipelines cleaning coating | |
| CN208178031U (en) | A kind of receiving ball tube device | |
| KR101647428B1 (en) | Water purification device having butterfly valve | |
| CN210936259U (en) | Surface belt cleaning device before steel pipe is anticorrosive | |
| CN104373748B (en) | A kind of pipeline corrosion inhibitor coating cleaner | |
| CN204035107U (en) | A kind ofly clean air-dry device for seal wire | |
| CN107555618A (en) | A kind of water pipe rust removing and contaminant releasing and anti-corrosion device | |
| JP5900064B2 (en) | Water treatment method for a boiler having an economizer | |
| JP2017133758A (en) | Cleaning method and device of heat exchanger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |