CN218191520U - Pipe cleaner - Google Patents
Pipe cleaner Download PDFInfo
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- CN218191520U CN218191520U CN202222048147.0U CN202222048147U CN218191520U CN 218191520 U CN218191520 U CN 218191520U CN 202222048147 U CN202222048147 U CN 202222048147U CN 218191520 U CN218191520 U CN 218191520U
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Abstract
The utility model provides a pipe cleaner, it includes: the umbrella-shaped cleaning mechanism comprises a framework, a guide straight leather cup and a support straight leather cup, wherein the guide straight leather cup and the support straight leather cup are sleeved on the outer side wall of the framework, the umbrella-shaped cleaning mechanism is respectively installed on one side of the guide straight leather cup and one side of the support straight leather cup, and the umbrella-shaped cleaning mechanism is sleeved on the outer side wall of the framework. The guide straight leather cup plays a role in preventing the pipe cleaner from deflecting or impacting the pipe wall at the position of passing through the elbow or the tee; the supporting straight leather cup plays a supporting role, the concentricity of the pipe cleaner and the pipeline is ensured, the umbrella-shaped cleaning mechanism plays a sealing role in the pipeline, power is provided for the operation of the pipe cleaner, and the umbrella-shaped cleaning mechanism has the capability of cleaning impurities in the pipeline. The pipe cleaner moves in the pipeline under the pushing of the medium in the pipeline, and the pipe cleaning operation of the pipeline is realized. The pipe cleaner has higher passing capacity, lower paraffin removal capacity and lower scale carrying level, and can effectively control the single dirt removal amount of the pipe cleaner, so that the wax blockage accident does not occur in the pipe cleaning operation of the pipeline.
Description
Technical Field
The utility model relates to a pipeline cleaning tool technical field especially relates to a pipe cleaner.
Background
In the use process of the long-distance crude oil pipeline, certain impurities are deposited inside the pipeline, and mainly comprise silt carried in oil products, wax, colloid, asphaltene and the like separated out from the pipeline wall. The deposition of these impurities in the pipeline can affect the equivalent pipe diameter of the pipeline, which reduces the transport efficiency of the pipeline. In order to ensure the efficient operation of the pipeline, impurities in the pipeline must be cleaned regularly, and a pipe cleaner is a common pipeline online cleaning tool at present. The currently commonly used pig mainly comprises a foam pig and a mechanical pig. The pipe conveying resistance can be increased if the impurity amount removed by the pipe cleaning operation at a single time is too large, the pipeline can be blocked in serious conditions, and the impurity amount removed by the pipe cleaning operation at a single time is strictly limited in the pipe cleaning process. The method has the advantages that part of crude oil pipelines in China operate for decades, the pipeline cleaning operation is not carried out, wax is seriously accumulated inside the pipelines, and the passing performance of the pipelines is not clear. In order to ensure the safety of pipeline operation, laws and regulations stipulate that long-distance crude oil pipelines must be regularly tested, while internal testing is the most effective pipeline testing method in common use at present, and the old pipelines must be cleaned firstly when internal testing is carried out. In the process of cleaning old pipelines, the blockage phenomenon of a pipe cleaner often occurs.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to prior art not enough, provide a dredging pipe ware.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a pig, comprising: the umbrella cleaning mechanism comprises a framework, a guide straight leather cup and a support straight leather cup, wherein the guide straight leather cup and the support straight leather cup are sleeved on the outer side wall of the framework, an umbrella cleaning mechanism is installed on one side of the guide straight leather cup and one side of the support straight leather cup respectively, and the umbrella cleaning mechanism is sleeved on the outer side wall of the framework.
Adopt the utility model discloses technical scheme's beneficial effect is: the guide straight leather cup plays a role in preventing the pipe cleaner from deflecting or impacting the pipe wall at the position of passing through the elbow or the tee; the straight leather cup of support plays the supporting role, guarantees that dredging pipe ware and pipeline are concentric, and the umbelliform mechanism of cleaning plays sealed effect in the pipeline, provides power for the operation of dredging pipe ware to have the ability of cleaing away pipeline debris, be the key part of dredging pipe ware pigging effect. The pipe cleaner moves in the pipeline under the pushing of the medium in the pipeline, and the pipe cleaning operation of the pipeline is realized. The pipeline cleaner has higher passing capacity, lower paraffin removal capacity and lower scale carrying level, can effectively control the single-time pollution cleaning amount of the pipeline cleaner, ensures that the pipeline cleaning operation does not have paraffin blockage accidents, and simplifies the structure.
Further, the guide straight leather cup is close to one end of the framework, and the support straight leather cup is located in the middle of the framework.
The beneficial effect of adopting the further technical scheme is that: the straight leather cup of direction plays and prevents that the pig from producing the skew or striking the pipe wall effect in elbow or tee bend department, supports straight leather cup and plays the supporting role, guarantees that pig and pipeline are concentric, and the umbelliform mechanism of cleaning plays sealed effect in the pipeline, provides power for the operation of pig to have the ability of cleaing away pipeline debris, be the key component of pig pigging effect. The pipe cleaner moves in the pipeline under the pushing of the medium in the pipeline, and the pipe cleaning operation of the pipeline is realized. The pipe cleaner has higher passing capacity, lower paraffin removal capacity and lower scale carrying level, can effectively control the single dirt removal amount of the pipe cleaner, ensures that the pipe cleaning operation of the pipeline does not have the paraffin blockage accident, and simplifies the structure.
Further, the umbrella-shaped cleaning mechanism includes: the umbrella-shaped leather cups are of a semicircular structure and multiple in number, the middle of each umbrella-shaped leather cup is connected with the sleeves, the sleeves are sleeved on the outer side wall of the framework and close to the umbrella-shaped leather cups of the straight leather cups in the guiding mode, the side wall of each straight leather cup in the guiding mode is abutted to the side wall of the corresponding straight leather cup in the guiding mode, and the umbrella-shaped leather cups of the straight leather cups in the supporting mode are abutted to the side wall of the corresponding straight leather cup in the supporting mode.
The beneficial effect of adopting the further technical scheme is that: the umbrella-shaped leather cup plays a role in sealing in the pipeline, provides power for the operation of a pipe cleaner, has certain capacity of cleaning impurities in the pipeline, and is a key component for the pipe cleaner to clean the pipe. Umbrella-shaped leather cups with different sizes, different thicknesses and different hardnesses, supporting leather cups with different sizes and different hardnesses and guiding leather cups with different sizes and different hardnesses can be installed according to requirements. Through proper selection, the pipe cleaner has higher passing capacity, lower paraffin removal capacity and lower scale carrying level, the single-time sewage removal amount of the pipe cleaner can be effectively controlled, and the wax blockage accident of the pipe cleaning operation of the pipeline is avoided. Simple structure, convenience and practicality. Can warp through the elbow of less curvature radius and great body, in the regular pipe cleaning operation of high wax crude oil pipeline and the first pipe cleaning operation of old pipeline, can effectually reduce the stifled possibility of pipeline wax. The pipe cleaner moves in the pipeline under the pushing of the medium in the pipeline, and the pipe cleaning operation of the pipeline is realized.
Furthermore, a groove is formed in the joint of the umbrella-shaped leather cup and the sleeve.
The beneficial effect of adopting the further technical scheme is that: the setting of recess, the umbrella form leather cup of being convenient for is nimble warp, adapts to the body of different diameters, improves the adaptability of dredging pipe ware, can warp through the elbow of less curvature radius and great body, in the first dredging pipe operation of the regular dredging pipe operation of high wax-bearing crude oil pipeline and old pipeline, can effectually reduce the possibility that pipeline wax is stifled.
Furthermore, a positioning transmitter for tracking and positioning is installed in the middle of the other end of the framework.
The beneficial effect of adopting the further technical scheme is that: the positioning transmitter transmits an electromagnetic pulse signal for tracking and positioning of the pipe cleaner, so that a user can use the pipe cleaner conveniently, and the user experience is improved.
Further, the skeleton comprises: barrel, first leather cup mounting flange, second leather cup mounting flange, first leather cup mounting flange installs the one end of barrel, second leather cup mounting flange installs the middle part of barrel, the direction straight leather cup with first leather cup mounting flange connects, support straight leather cup with second leather cup mounting flange connects.
The beneficial effect of adopting the further technical scheme is that: the leather cup mounting flange is welded on the cylinder body and used for mounting and positioning the guide straight leather cup, the umbrella-shaped leather cup and the support straight leather cup. The guide straight leather cup and the umbrella-shaped leather cup are arranged on an installation flange at the front end of the framework, wherein the guide straight leather cup plays a role in preventing the pipe cleaner from deflecting or impacting the pipe wall at the position of passing through the elbow or the tee; the supporting straight leather cup and the umbrella-shaped leather cup are installed on a second leather cup installation flange of the framework, the supporting straight leather cup plays a supporting role, the pipe cleaner and the pipeline are guaranteed to be concentric, the umbrella-shaped leather cup is stable in shape, and the pipe cleaner is guaranteed to seal the cross section of the pipeline.
Further, first leather cup mounting flange is located the opposite side of the straight leather cup of direction, second leather cup mounting flange is located the opposite side of the straight leather cup of support.
The beneficial effect of adopting the further technical scheme is that: due to the arrangement of the leather cup mounting flange, the straight leather cup can be conveniently mounted and maintained, supporting force is provided for the straight leather cup, the straight leather cup is prevented from deforming and shaking, and the stability and the reliability of the pipe cleaner are improved.
Furthermore, the skeleton is a steel skeleton.
The beneficial effect of adopting the further technical scheme is that: the framework is a steel framework, so that the loading force of the pipe cleaner is improved, and the cost is reduced.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of a pipe pig provided by an embodiment of the present invention.
The reference numbers illustrate: 1. a framework; 2. guiding the straight leather cup; 3. an umbrella-shaped leather cup; 4. supporting the straight leather cup; 5. an umbrella-shaped cleaning mechanism; 6. positioning the transmitter; 7. a sleeve; 8. a groove; 10. a barrel; 11. a first leather cup mounting flange; 12. and a second leather cup mounting flange.
Detailed Description
The principles and features of the present invention will be described with reference to the drawings, which are provided for illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1, an embodiment of the present invention provides a pipe pig, which includes: skeleton 1, the straight leather cup of direction 2, the straight leather cup 4 of support, the straight leather cup of direction 2 and the straight leather cup 4 cover of support is in on the lateral wall of skeleton 1, the umbelliform 5 of cleaning the mechanism are installed respectively to one side of the straight leather cup of direction 2 and one side of the straight leather cup 4 of support, the umbelliform is cleaned the mechanism 5 cover on the lateral wall of skeleton 1.
Adopt the utility model discloses technical scheme's beneficial effect is: the guide straight leather cup plays a role in preventing the pipe cleaner from deflecting or impacting the pipe wall at the position of passing through the elbow or the tee; the supporting straight leather cup plays a supporting role, the pipe cleaner and the pipeline are guaranteed to be concentric, the umbrella-shaped cleaning mechanism plays a sealing role in the pipeline, power is provided for operation of the pipe cleaner, and the umbrella-shaped cleaning mechanism has the capacity of cleaning impurities in the pipeline and is a key component for the pipe cleaner to clean the pipe. The pipe cleaner moves in the pipeline under the pushing of the medium in the pipeline, and the pipe cleaning operation of the pipeline is realized. The pipe cleaner has higher passing capacity, lower paraffin removal capacity and lower scale carrying level, and can effectively control the single dirt removal amount of the pipe cleaner, so that the wax blockage accident does not occur in the pipe cleaning operation of the pipeline, and the structure is simplified.
As shown in fig. 1, further, the guide straight leather cup 2 is close to one end of the framework 1, and the support straight leather cup 4 is located in the middle of the framework 1.
The beneficial effect of adopting the further technical scheme is that: the straight leather cup of direction plays and prevents that the pig from producing the skew or striking the pipe wall effect in elbow or tee bend department, supports straight leather cup and plays the supporting role, guarantees that pig and pipeline are concentric, and the umbelliform mechanism of cleaning plays sealed effect in the pipeline, provides power for the operation of pig to have the ability of cleaing away the pipeline debris, be the key part of pig pigging effect. The pipe cleaner moves in the pipeline under the pushing of the medium in the pipeline, and the pipe cleaning operation of the pipeline is realized. The pipe cleaner has higher passing capacity, lower paraffin removal capacity and lower scale carrying level, can effectively control the single dirt removal amount of the pipe cleaner, ensures that the pipe cleaning operation of the pipeline does not have the paraffin blockage accident, and simplifies the structure.
As shown in fig. 1, the umbrella-shaped cleaning mechanism 5 further includes: a plurality of umbelliform leather cups 3 and at least one sleeve 7, umbelliform leather cup 3 is semi-circular structure, and is a plurality of the middle part of umbelliform leather cup 3 is passed through sleeve 7 is connected, sleeve 7 cover is in on the lateral wall of skeleton 1, close on the umbelliform leather cup 3 of the straight leather cup 2 of direction with one side lateral wall butt of the straight leather cup 2 of direction closes on the umbelliform leather cup 3 of the straight leather cup 4 of support with one side lateral wall butt of the straight leather cup 4 of support.
The beneficial effect of adopting the further technical scheme is that: the umbrella-shaped leather cup plays a role in sealing in the pipeline, provides power for the operation of a pipe cleaner, has certain capacity of cleaning impurities in the pipeline, and is a key component for the pipe cleaning function of the pipe cleaner. Umbrella-shaped leather cups with different sizes, different thicknesses and different hardnesses, supporting leather cups with different sizes and different hardnesses and guiding leather cups with different sizes and different hardnesses can be installed according to requirements. Through proper selection, the pipe cleaner has higher passing capacity, lower paraffin removal capacity and lower scale carrying level, the single-time sewage removal amount of the pipe cleaner can be effectively controlled, and the wax blockage accident of the pipe cleaning operation of the pipeline is avoided. Simple structure, convenience and practicality. Can warp through the elbow of less curvature radius and great body, in the regular pipe cleaning operation of high wax crude oil pipeline and the first pipe cleaning operation of old pipeline, can effectually reduce the stifled possibility of pipeline wax. The pipe cleaner moves in the pipeline under the pushing of the medium in the pipeline, and the pipe cleaning operation of the pipeline is realized.
As shown in fig. 1, further, a groove 8 is provided at the junction of the umbrella cup 3 and the sleeve 7.
The beneficial effect of adopting the further technical scheme is that: the setting of recess, the umbrella form leather cup of being convenient for is nimble warp, adapts to the body of different diameters, improves the adaptability of dredging pipe ware, can warp through the elbow of less curvature radius and great body, in the first dredging pipe operation of the regular dredging pipe operation of high wax-bearing crude oil pipeline and old pipeline, can effectually reduce the possibility that pipeline wax is stifled.
As shown in fig. 1, further, a positioning transmitter 6 for tracking and positioning is installed in the middle of the other end of the framework 1.
The beneficial effect of adopting the further technical scheme is that: the positioning transmitter transmits an electromagnetic pulse signal for tracking and positioning of the pipe cleaner, so that a user can use the pipe cleaner conveniently, and the user experience is improved.
The positioning transmitter may be a low frequency positioning transmitter, and the structure and principle of the positioning transmitter 6 are the prior art, which are not described herein again.
As shown in fig. 1, further, the skeleton 1 includes: barrel 10, first leather cup mounting flange 11, second leather cup mounting flange 12, first leather cup mounting flange 11 is installed the one end of barrel 10, second leather cup mounting flange 12 is installed the middle part of barrel 10, the direction straight leather cup 2 with first leather cup mounting flange 11 is connected, support straight leather cup 4 with second leather cup mounting flange 12 is connected.
The beneficial effect of adopting the further technical scheme is that: the leather cup mounting flange is welded on the cylinder body and used for mounting and positioning the guide straight leather cup, the umbrella-shaped leather cup and the support straight leather cup. The guide straight leather cup and the umbrella-shaped leather cup are arranged on an installation flange at the front end of the framework, wherein the guide straight leather cup plays a role in preventing the pipe cleaner from deflecting or impacting the pipe wall at the position of passing through the elbow or the tee; the supporting straight leather cup and the umbrella-shaped leather cup are installed on a second leather cup installation flange of the framework, wherein the supporting straight leather cup plays a supporting role, a pipe cleaner and a pipeline are guaranteed to be concentric, the umbrella-shaped leather cup is stable in shape, and the pipe cleaner is guaranteed to seal the cross section of the pipeline.
As shown in fig. 1, further, the first cup mounting flange 11 is located at the other side of the guide straight cup 2, and the second cup mounting flange 12 is located at the other side of the support straight cup 4.
The beneficial effect of adopting the further technical scheme is that: due to the arrangement of the leather cup mounting flange, the straight leather cup can be conveniently mounted and maintained, supporting force is provided for the straight leather cup, the straight leather cup is prevented from deforming and shaking, and the stability and the reliability of the pipe cleaner are improved.
As shown in fig. 1, the skeleton 1 is a steel skeleton.
The beneficial effect of adopting the further technical scheme is that: the skeleton is a steel skeleton, so that the loading force of the pipe cleaner is improved, and the cost is reduced.
The utility model provides a pipe cleaner, which is an umbrella-shaped leather cup mechanical pipe cleaner and belongs to a pipe cleaning tool. The pipe pig includes: the device comprises a framework 1, a guide straight leather cup 2, an umbrella-shaped leather cup 3, a support straight leather cup and a low-frequency positioning transmitter 6. Umbrella-shaped leather cups with different sizes, thicknesses and hardness, supporting leather cups with different sizes and hardness and guiding leather cups with different sizes and hardness can be installed according to requirements. By proper selection, the pipe cleaner has higher passing capacity, lower wax removal capacity and lower scale carrying level. The single decontamination quantity of the pipe cleaner can be effectively controlled, and the pipe cleaning operation of the pipeline is ensured not to cause wax blockage accidents. Simple structure, convenience and practicality.
The framework of the pipe cleaner consists of a cylinder body, a first leather cup mounting flange, a second leather cup mounting flange and a transmitter interface. The whole length of the framework is determined according to the number of the umbrella-shaped leather cups required to be installed, the diameter of the pipeline is generally 1.3-1.5 times, and meanwhile, the influence of the minimum curvature radius of the pipeline elbow is required to be considered in order to ensure the passing performance. The barrel is formed by welding high-strength steel plates or pipes, the diameter of the barrel is generally 30-50% times of the inner diameter of a pipeline, the specific size can be adjusted according to the passing performance required by the pipeline, and the tail of the barrel is provided with a low-frequency positioning transmitter mounting interface for mounting a positioning transmitter.
The left side is the front of the pipe cleaner, the right side is the back of the pipe cleaner,
the front leather cup and the rear leather cup mounting flanges are welded on the cylinder body and are mainly used for mounting and positioning the guide straight leather cup, the front umbrella-shaped leather cup, the support straight leather cup and the rear umbrella-shaped leather cup. The guide straight leather cup and the front umbrella-shaped leather cup are arranged on an installation flange at the front end of the framework, wherein the guide straight leather cup plays a role in preventing the pipe cleaner from deflecting or impacting the pipe wall at the position of passing through the elbow or the tee; the supporting straight leather cup and the umbrella-shaped leather cup positioned at the rear part are arranged on a mounting flange of the second leather cup of the framework, wherein the supporting straight leather cup mainly plays a supporting role, a pipe cleaner and a pipeline are ensured to be concentric, the shape of the umbrella-shaped leather cup is stable in the front and the rear, and the sealing of the pipe cleaner on the section of the pipeline is ensured.
The diameters of the front umbrella-shaped leather cup and the rear umbrella-shaped leather cup are generally 100-105% times of the inner diameter of the pipeline, the umbrella-shaped leather cup plays a role of sealing in the pipeline, provides power for the operation of a pipe cleaner, has certain capacity of cleaning impurities in the pipeline, and is a key component for the pipe cleaner to clean the pipe. The umbrella-shaped leather cup has the advantages that the thickness is gradually reduced from the center to the edge, the mechanical property is more reasonable, and the dirt cleaning capability of the pipe cleaner can be controlled by adjusting the diameter, the thickness and the hardness of the umbrella-shaped leather cup according to needs in practical application. The low-frequency positioning transmitter can transmit an electromagnetic pulse signal of 23Hz for tracking and positioning the pig.
Compared with a common mechanical pipe cleaner, the umbrella-shaped leather cup structure has better passing performance and can deform through an elbow with smaller curvature radius and a larger pipe body; the high-wax-content crude oil pipeline cleaning device has relatively low wax scraping capacity and scale carrying capacity, and can effectively reduce the possibility of wax blockage of the pipeline in the regular pipeline cleaning operation of the high-wax-content crude oil pipeline and the first pipeline cleaning operation of the old pipeline.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.
Claims (8)
1. A pipe pig, comprising: the umbrella cleaning machine comprises a framework, a guide straight leather cup and a support straight leather cup, wherein the guide straight leather cup and the support straight leather cup are sleeved on the outer side wall of the framework, an umbrella cleaning mechanism is respectively installed on one side of the guide straight leather cup and one side of the support straight leather cup, and the umbrella cleaning mechanism is sleeved on the outer side wall of the framework.
2. The pig of claim 1 wherein the guide straight cups are located adjacent one end of the carcass and the support straight cups are located in the middle of the carcass.
3. The pipe pig according to claim 1, characterized in that the umbrella-like cleaning mechanism comprises: a plurality of umbelliform leather cups and at least one sleeve, umbelliform leather cup is semi-circular structure, and is a plurality of the middle part of umbelliform leather cup is passed through muffjoint, the muffjoint is in on the lateral wall of skeleton, close on the umbelliform leather cup of the straight leather cup of direction with one side lateral wall butt of the straight leather cup of direction closes on the umbelliform leather cup of the straight leather cup of support with one side lateral wall butt of the straight leather cup of support.
4. The pig of claim 3 wherein the junction of said umbrella cup and said sleeve is provided with a groove.
5. The pipeline pig of claim 1 wherein the other end of the framework is centrally mounted with a positioning transmitter for tracking positioning.
6. The pipeline pig of claim 1, wherein the carcass comprises: barrel, first leather cup mounting flange, second leather cup mounting flange, first leather cup mounting flange is installed the one end of barrel, second leather cup mounting flange is installed the middle part of barrel, the direction directly the leather cup with first leather cup mounting flange connects, support directly the leather cup with second leather cup mounting flange connects.
7. The pig of claim 6 wherein the first cup mounting flange is on the other side of the guide straight cup and the second cup mounting flange is on the other side of the support straight cup.
8. The pipeline pig of claim 1 wherein the skeleton is a steel skeleton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222048147.0U CN218191520U (en) | 2022-08-04 | 2022-08-04 | Pipe cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222048147.0U CN218191520U (en) | 2022-08-04 | 2022-08-04 | Pipe cleaner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218191520U true CN218191520U (en) | 2023-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222048147.0U Active CN218191520U (en) | 2022-08-04 | 2022-08-04 | Pipe cleaner |
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| Country | Link |
|---|---|
| CN (1) | CN218191520U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117401751A (en) * | 2023-12-13 | 2024-01-16 | 泰安北方洗涤用品有限公司 | Circulating water device for washing powder production line |
-
2022
- 2022-08-04 CN CN202222048147.0U patent/CN218191520U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117401751A (en) * | 2023-12-13 | 2024-01-16 | 泰安北方洗涤用品有限公司 | Circulating water device for washing powder production line |
| CN117401751B (en) * | 2023-12-13 | 2024-02-20 | 泰安北方洗涤用品有限公司 | Circulating water device for washing powder production line |
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