CN210187951U

CN210187951U - Truncated cone shaped cleaning device

Info

Publication number: CN210187951U
Application number: CN201920681081.4U
Authority: CN
Inventors: De'en Li; 李得恩
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-14
Filing date: 2019-05-14
Publication date: 2020-03-27
Anticipated expiration: 2029-05-14

Abstract

The utility model provides a circular truncated cone form cleaning device, including cylindric cleaning device main part, the cleaning device main part still is connected with the guide part, the guide part is circular truncated cone form or circular cone form, the cleaning device main part with the guide part is made by material or degradable material that can be dissolved in the pipe-line transportation medium. The beneficial effects of the utility model are that efficient and environmental protection and energy saving.

Description

Truncated cone shaped cleaning device

Technical Field

The invention discloses a method and a device for reducing drag of a conveying pipeline, and relates to the technical field of pipeline system cleaning.

Background

The utilization of natural gas energy is one of the important directions for the development at home and abroad at present. The demand for natural gas is increasing due to global demand for sustainable development of economy and call for "clean energy".

At present, the main transportation mode of natural gas is pipeline transportation. Gas transmission pipelines in modern sense have been developed for nearly 120 years. When gas flows through the pipe, the roughness causes friction and thus gas vortex, resulting in energy loss and thus pressure loss of the pipe. For natural gas pipeline transportation in a turbulent flow state, the influence of pipe wall roughness on a friction coefficient is the largest, and the pipe wall roughness is reduced by increasing the transportation quantity. In recent years, the research on natural gas pipeline transportation drag reduction has been greatly advanced, and as for the current research results, the drag reduction method can be roughly summarized as follows: natural gas pipeline inner coating drag reduction technology and drag reducer drag reduction technology.

Methods for applying drag reducer drag reduction in gas pipelines are mentioned in patents US4958653, CN 205678348U. As proposed in US5020561, a method of drag reduction in gas pipelines using drag reducers, which are substances like corrosion inhibitors, lubricants, etc., such as: fatty acids, alkoxylated fatty acid amines and/or amides having between 18 and 54 carbon atoms and long chain hydrocarbons having a molecular weight of from about 300 to about 900. It is also proposed in this invention that certain natural crude oils, which are composed of asphaltenes, resins and long-chain alkanes (C1-C40), also contain small amounts of N, S, O, Fe and V, and these heteroatoms are mostly concentrated in high molecular weight fractions such as asphaltene fractions, which make the asphaltenes polar, also meet the drag reducing agent requirements. However, this patent teaches the use of drag reducing agents to reduce drag in gas pipelines and teaches certain drag reducing agents. However, the drag reduction effect of these chemicals is limited, and the drag reducer itself needs various chemical raw materials such as formaldehyde, etc., which are likely to cause environmental pollution in both the manufacturing and using processes.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a circular truncated cone form cleaning device, including cylindric cleaning device main part, the cleaning device main part still is connected with the guide part, the guide part is circular truncated cone form or circular cone form, the cleaning device main part with the guide part is made by the material or the degradable material that can be dissolved in the pipe-line medium.

As a further improvement of the embodiment of the utility model, the side surface of the main body of the cleaning device is provided with a groove.

As a further improvement of the embodiment of the present invention, the groove is spirally arranged around the cleaning device main body.

As a further improvement of the embodiment of the present invention, the groove is plural.

As a further improvement of the embodiment of the present invention, the guide portion is a hollow portion.

As a further improvement of the embodiment of the present invention, the top end of the guiding portion is set to be a concave bowl shape.

As a further improvement of the embodiment of the utility model, the cleaning device main body is a hollow arrangement.

As a further improvement of the embodiment of the utility model, the inside honeycomb cavity that is provided with of cleaning device main part.

As a further improvement of the embodiment of the utility model, the cleaning device and the pipeline assigned position are respectively provided with a positioning device which can be matched with each other.

As a further improvement of the embodiment of the present invention, the cleaning device main body includes two cleaning device main body part portions, the cleaning device main body part portions are connected by an elastic connecting member made of a material soluble in a pipe transport medium or a degradable material.

The utility model has the advantages and positive effects that:

(1) the liquid storage device can clean the liquid storage stored in the clean pipeline with the highest quality, realizes cleaning operation under the condition of normal pipeline conveying, and improves production efficiency.

(2) The original method of cleaning the pipeline by using chemical agents is replaced, and environmental protection and energy conservation can be realized.

(3) Can be dissolved and crushed more quickly without influencing the downstream transportation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the combined cleaning device of the present invention;

in the figure, a cylindrical cleaning device body 1, a guide part 2 and a groove 3.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. However, these embodiments are not intended to limit the present invention, and structural, methodical, or functional changes that may be made by one of ordinary skill in the art based on these embodiments are all included in the scope of the present invention.

In the various illustrations of the present application, certain dimensions of structures or portions may be exaggerated relative to other structures or portions for ease of illustration and, thus, are provided to illustrate only the basic structure of the subject matter of the present application.

Also, terms used herein such as "upper," "above," "lower," "below," and the like, denote relative spatial positions of one element or feature with respect to another element or feature as illustrated in the figures for ease of description. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

As shown in fig. 1, the utility model relates to a frustum of a cone form cleaning device, including cylindric cleaning device main part, the cleaning device main part still is connected with the guide part, the guide part is frustum of a cone form or cone form, the cleaning device main part with the guide part is made by the material or the degradable material that can dissolve in the pipe transportation medium. The side surface of the cleaning device main body is provided with a groove. The groove is spirally arranged around the cleaning device main body. The recess is a plurality of. The guide part is arranged in a hollow way. The top end of the guide part is arranged to be concave bowl-shaped. The cleaning device main part is hollow. The cleaning device main body is internally provided with a honeycomb hollow. The designated positions of the cleaning device and the pipeline are respectively provided with a positioning device which can be matched with each other. The cleaning device body comprises two cleaning device body part bodies which are connected by an elastic connecting piece made of a material soluble in the pipeline conveying medium or a degradable material.

In the use, can use two or more cleaning device simultaneously at a certain distance apart in the pipeline, the recess width, the degree of depth or inclination in every cleaning device main part can be adjusted according to actual requirements, through the change of these numerical values of recess, can produce the product that satisfies different dredging pipe speeds. These values of the grooves result in a flow of air passing partially through the grooves to reduce the speed of travel of the product in the duct.

The cylindrical cleaning device main body ensures sufficient friction with the inner wall of the pipeline in the advancing process, and the shape has the main advantage of cleaning accumulated liquid in the pipeline. The defect is that the small radius can not turn downwards and only can run straight line. Meanwhile, in order to be capable of dissolving or degrading as soon as possible after cleaning is completed on the premise of ensuring the cleaning effect, the interiors of the cleaning device main body and the guide part are hollow. The top end of the guide part can be bowl-shaped, on the one hand the curved surface of the bowl-shaped is different, and usually influences the pigging speed of the cleaning device. On the other hand, the bowl form sets up and to reduce the guide part volume on the one hand, reduces and dissolves or degradation time, can also form certain storage effect because of the bowl form expands outward in the in-process that advances simultaneously in the pipeline.

The guide is provided to ensure that it does not jam when passing through the bend.

Meanwhile, the cylindrical cleaning device main body is divided into two part bodies because of poor turning capability, and the two part bodies are connected by the elastic connecting piece and can be relatively separated to form a certain distance when the turning is accepted so as to enhance the turning capability.

The cleaning device main body is used in the pipeline cleaning process, and the cleaning device main body comprises the following specific steps: a cleaning device installation step of entering the duct from a delivery duct connected to the duct; opening the pipeline after the cleaning device enters the pipeline, wherein the pipeline generates pressure in the pipeline due to the entry of natural gas to push the cleaning device to advance; if more impurities exist, a recovery step and a recovery step are involved, the pipeline in the advancing direction of the fuel gas is closed at the designated position of the pipeline, the recovery pipeline connected with the pipeline is opened, the cleaning device is pushed by the pressure in the pipeline to enter a recovery tank, and the pipeline in the advancing direction of the fuel gas is opened after the recovery pipeline is closed.

The ball is sent out by a ball receiving barrel of the pipeline, the ball sending barrel is usually a tee joint connected with the pipeline, the tee joint is closed after the ball sending barrel is sent out, and meanwhile, the pipeline is pressurized, so that the cleaning device is pushed to move forwards. When there are two cleaning devices, the front cleaning device is forced and pigged to pull the rear cleaning device. The friction force of the front cleaning device and the pipeline is larger than that of the rear cleaning device. The front cleaning device moves forwards and simultaneously rotates with the pipe wall in a friction mode to achieve the purpose of removing the accumulated scale of the pipeline, and the length of the plugging section is determined by the connecting distance of the front cleaning device and the rear cleaning device. If only need realize clean function, then set up the recovery pipeline at the assigned position of pipeline, can connect in the tee bend of pipeline usually, the tee bend reconnection waste liquid recovery unit makes cleaning device pressure promote to get into waste liquid recovery unit and accomplishes cleanly, and cleaning device dissolves or degrades at waste liquid recovery unit to can judge clean effect according to the quantity of the recovery liquid that waste liquid recovery unit collected, and whether need clean once more.

The realization of the plugging function can install a magnetic device in the plugging section needing plugging in advance, the cleaning device is pushed to reach the appointed place by the pressure of the pipeline and is contacted with the magnetic device installed on the pipeline in advance, and the magnetic device controls the outer diameter of the cleaning device to expand so as to be tightly combined with the pipeline, thereby opening the plugging function. The cleaning device stops advancing. Then, the pressure of the pipeline is reduced, the pipeline section is cut in a cold mode, and the operation is carried out on fire. After the fire operation is finished, the magnetic device is switched, so that the outer diameter of the cleaning device is contracted, and the plugging function is removed. Then the pipeline is pressurized to continuously push the pigging isolator to advance until the pigging isolator falls into a ball collecting barrel at the tail end of the pipeline. The pipe cleaning and the fire operation plugging are synchronously completed.

The method has the advantages of saving the work of replacing combustible gas with nitrogen before firing and replacing air with nitrogen before production, improving safety, saving cost, shortening operation time and improving efficiency.

Although particular embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are examples only and that the scope of the present invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are all within the scope of the invention.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.

The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.

Claims

1. The frustum cone-shaped cleaning device is characterized by comprising a cylindrical cleaning device body, wherein the cleaning device body is further connected with a guide part, the guide part is in a frustum cone shape or a cone shape, and the cleaning device body and the guide part are both made of materials soluble in pipeline conveying media or degradable materials.

2. Truncated cone cleaning device according to claim 1, wherein the cleaning device body is provided with grooves on its sides.

3. The frustoconical cleaning apparatus of claim 2, wherein said groove is helically disposed about said cleaning apparatus body.

4. The frustoconical cleaning apparatus of claim 2, wherein said recess is plural.

5. Truncated cone cleaning device according to claim 1, wherein the guide is hollow.

6. The frustoconical cleaning apparatus of claim 1, wherein the tip of the guide portion is configured in a concave bowl shape.

7. Truncated cone cleaning device according to claim 1, wherein the cleaning device body is hollow.

8. The truncated cone-shaped cleaning device according to claim 7, wherein a honeycomb-shaped hollow is provided inside the cleaning device main body.

9. Truncated cone cleaning device according to claim 1, characterised in that the cleaning device and the pipe are provided with co-operating positioning means at designated positions, respectively.

10. The frustoconically-shaped cleaning apparatus according to claim 1, wherein the cleaning apparatus body comprises two cleaning apparatus body section parts, the cleaning apparatus body section parts being connected by an elastic connection member, the elastic connection member being made of a material soluble in a medium transported by a pipeline or a degradable material.