Calcium sulfate scale chelating cleaning equipment

Abstract

The utility model provides calcium sulfate scale chelation cleaning equipment, which comprises a liquid preparation device, a booster pump, a circulating water tank and a circulating pump, the liquid preparation device comprises a liquid mixing bin, a water inlet pipe, a cleaning agent input pipe, a first liquid outlet pipe and a second liquid outlet pipe, the water inlet pipe, the cleaning agent input pipe, the first liquid outlet pipe and the second liquid outlet pipe are communicated on the liquid mixing bin, and the output end of the first liquid outlet pipe is communicated with a liquid inlet of the booster pump. A liquid outlet of the booster pump is provided with a pipeline connector used for being connected with a terminal flushing pipe fitting, a liquid outlet of the second liquid outlet pipe is communicated with the circulating water tank, the circulating water tank is further communicated with a circulating water outlet pipe and a liquid return pipe, and the circulating pump is arranged on the circulating water outlet pipe. The water inlet pipe and the cleaning agent input pipe are each provided with a flow meter and a flow adjusting valve, and the first liquid outlet pipe, the second liquid outlet pipe, the circulating water outlet pipe and the liquid return pipe are each provided with a stop valve. The calcium sulfate scale chelating and cleaning equipment has the advantages of being scientific in design, capable of being suitable for various operation scenes, convenient to prepare liquid and high in practicability.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of descaling cleaning equipment, specifically, a kind of calcium sulfate scale chelation cleaning equipment is involved. BACKGROUND

[0002] Calcium sulfate scale chelation cleaning agent is composed of high molecular polymer, special chelating agent, stain stripping agent, penetration dispersing agent, etc., its PH value is close to neutral, has the advantages of not corroding metal, not producing hydrogen embrittlement phenomenon, non-toxic to human body, waste liquid can be safely discharged;It can be used for cleaning of chemical equipment, papermaking equipment, seawater desalination equipment, and also can be used for plugging operation of sulfate in oil well.

[0003] In the operation site, appropriate cleaning method needs to be selected according to the operation object, for example, for industrial equipment that can form a circulating loop, circulating washing can be used;For single equipment that cannot form a loop, soaking washing or spraying washing can be used;For oil well plugging operation, due to its large amount of use, a booster pump is generally used to continuously inject cleaning liquid from annulus, and after filling, the cleaning liquid is finally returned from the oil pipe. In the prior art, the versatility of the cleaning equipment is not strong, the above three operation scenes need to use three different devices, and cleaning liquid needs to be prepared on site in each scene. The current liquid preparation method needs to additionally set up a large pool or a large tank, and then the cleaning agent and water are mixed in proportion before being connected to the cleaning equipment. This liquid preparation method occupies a large area and has low liquid preparation efficiency.

[0004] In order to solve the above problems, people have been seeking an ideal technical solution. SUMMARY

[0005] The utility model aims at the deficiency of prior art, and provides a kind of calcium sulfate scale chelation cleaning equipment that is designed scientifically, can be applied to multiple operation scenes, liquid preparation is convenient and practical.

[0006] In order to achieve the above purpose, the utility model adopts the technical scheme that a kind of calcium sulfate scale chelation cleaning equipment, including liquid preparation device, booster pump, circulating water tank and circulating pump, the liquid preparation device includes mixing bin and the water inlet pipe, cleaning agent input pipe, first liquid outlet pipe and second liquid outlet pipe communicated on the mixing bin, the output end of the first liquid outlet pipe is communicated with the liquid inlet of the booster pump, the liquid outlet of the booster pump is provided with the pipeline interface for connecting terminal flushing pipe fitting, the liquid outlet of the second liquid outlet pipe is communicated with the circulating water tank, the circulating water tank is also communicated with circulating water outlet pipe and liquid return pipe, and the circulating pump is arranged on the circulating water outlet pipe;Flow meter and flow regulating valve are arranged on the water inlet pipe and the cleaning agent input pipe, and stop valve is arranged on the first liquid outlet pipe, the second liquid outlet pipe, the circulating water outlet pipe and the liquid return pipe.

[0007] Beneficial effects: By controlling the flow of the water inlet pipe and the cleaning agent input pipe, the required concentration of cleaning agent can be prepared in the mixing bin, and then different output routes can be selected according to different cleaning objects. For example, for single equipment that cannot form a loop, a spray head / hose can be connected to the outlet of the booster pump for spray washing / soaking washing; for industrial equipment that can form a circulating loop, the cleaning liquid can be discharged into the circulating water tank, the circulating water outlet pipe and the return pipe are connected to the inlet and outlet of the industrial equipment respectively, and the circulating pump is started to perform circulating washing; for oil well plugging, a metal pipe can be connected to the outlet of the booster pump to directly inject the prepared cleaning liquid into the oil well annulus.

[0008] Based on the above, the circulating water outlet pipe is communicated with a drain pipe on the side wall upstream of the stop valve, and a drain valve is arranged on the drain pipe.

[0009] Beneficial effects: The arrangement of the drain pipe and the drain valve facilitates the replacement of the cleaning liquid in the circulating water tank.

[0010] Based on the above, a vertical strip-shaped window is formed in the side wall of the circulating water tank.

[0011] Beneficial effects: The vertical strip-shaped window facilitates the observation of the clarity of the cleaning liquid in the circulating water tank, so as to judge the cleaning progress.

[0012] Based on the above, the mixing bin comprises a cylindrical part and an inverted conical part connected below the cylindrical part, an inner cylinder is coaxially arranged in the cylindrical part, the outlet port of the water inlet pipe is communicated at the top of the side wall of the cylindrical part and is arranged in a liquid inlet direction avoiding the inner cylinder, the cleaning agent input pipe is coaxially arranged in the inner cylinder and the bottom end of the cleaning agent input pipe protrudes from the bottom end of the inner cylinder, and the two ends of the inner cylinder and the outer wall of the cleaning agent input pipe are closed.

[0013] Beneficial effects: The water inlet pipe, the cylindrical part and the inner cylinder form a volute shape, so that the incoming tap water forms a rotational flow, which can accelerate the mixing speed of the cleaning agent at the bottom end of the cleaning agent input pipe, and the concentration of the cleaning liquid entering the booster pump is maintained at a relatively uniform level.

[0014] Based on the above, it further comprises a conical block coaxially arranged below the cleaning agent input pipe, the conical block is connected to the bottom end of the inner cylinder through a plurality of support rods, and the tip of the conical block is arranged towards the cleaning agent input pipe.

[0015] Beneficial effects: The arrangement of the conical block can guide the cleaning agent to spread around, so that the mixing of the cleaning liquid is more uniform. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1It is the structure schematic view of the calcium sulfate scale chelation cleaning equipment in the utility model.

[0017] Fig. 2 It is the structure schematic view of the liquid preparation device in the utility model.

[0018] Fig. 3 It is the top view of the mixed liquid bin in the utility model.

[0019] In the figure: 1. Circulating water tank;2. Mixed liquid bin;3. Booster pump;4. Circulating pump;5. Water inlet pipe;6. Cleaning agent input pipe;7. First liquid outlet pipe;8. Second liquid outlet pipe;9. Liquid return pipe;10. Circulating water liquid outlet pipe;11. Pipeline interface;12. Flow meter;13. Flow regulating valve;14. Stop valve;15. Drain pipe;16. Drain valve;17. Inner cylinder;18. Conical block;19. Support rod;20. Vertical strip-shaped window;21. Cylindrical part;22. Inverted conical part. DETAILED DESCRIPTION

[0020] The technical scheme of the utility model will be described in further detail below through specific embodiments.

[0021] As Figs. 1-3 shown, a kind of calcium sulfate scale chelation cleaning equipment, including liquid preparation device, booster pump 3, circulating water tank 1 and circulating pump 4, the liquid preparation device includes mixed liquid bin 2 and the water inlet pipe 5, cleaning agent input pipe 6, first liquid outlet pipe 7 and second liquid outlet pipe 8 being communicated on the mixed liquid bin 2, the output end of the first liquid outlet pipe 7 is communicated the liquid inlet of the booster pump 3, the liquid outlet of the booster pump 3 is provided with the pipeline interface 11 for connecting terminal flushing pipe piece, the liquid outlet of the second liquid outlet pipe 8 is communicated the circulating water tank 1;Circulating water tank 1 is also communicated with circulating water liquid outlet pipe 10 and liquid return pipe 9, and the circulating pump 4 is arranged on the circulating water liquid outlet pipe 10;Flow meter 12 and flow regulating valve 13 are all provided on the water inlet pipe 5 and the cleaning agent input pipe 6, and stop valve 14 is all arranged on the first liquid outlet pipe 7, second liquid outlet pipe 8, the circulating water liquid outlet pipe 10 and the liquid return pipe 9.

[0022] In order to make the liquid in the mixing tank 2 can be quickly mixed, the mixing tank 2 includes a cylindrical part 21 and a reverse tapered part 22 connected below the cylindrical part 21, the cylindrical part 2 is coaxially provided with an inner cylinder 17, the output port of the water inlet pipe 5 is communicated at the top of the side wall of the cylindrical part 2, and the liquid inlet direction avoids the inner cylinder 17; in this way, the water inlet pipe 5, the cylindrical part 2 and the inner cylinder 17 form a volute shape, and the tap water forms a rotating flow after entering. The cleaning agent input pipe 6 is coaxially arranged in the inner cylinder 17 and the bottom end of the cleaning agent input pipe 6 extends out of the bottom end of the inner cylinder 17, and the two ends of the inner cylinder 17 are closed with the outer wall of the cleaning agent input pipe 6 to fix the cleaning agent input pipe 6.

[0023] The cleaning agent input pipe 6 is coaxially arranged below the tapered block 18, and the tapered block 18 is connected to the bottom end of the inner cylinder 17 through a plurality of supporting rods 19, and the tapered block 18 is arranged with the tip end facing the cleaning agent input pipe 6. The tapered block 18 can guide the cleaning agent input by the cleaning agent input pipe 6 to diffuse to the surrounding, and can be more quickly mixed with the tap water rotating flow.

[0024] In order to facilitate the replacement of the circulating cleaning liquid, the circulating water outlet pipe 10 is communicated with a liquid discharge pipe 15 on the side wall upstream of the stop valve 14, and the liquid discharge valve 16 is arranged on the liquid discharge pipe 15. A vertical strip-shaped window 20 is formed in the side wall of the circulating water tank 1, which can observe the liquid level, and can also infer the cleaning condition of the equipment by observing the clarity of the circulating cleaning liquid.

[0025] In specific use, according to the content, thickness and hardness of the scale of the cleaning object, the concentration of the cleaning liquid is set, and by controlling the flow of the water inlet pipe 5 and the cleaning agent input pipe 6, the cleaning agent with the required concentration can be prepared in the mixing tank 2, and then different output routes are selected according to different cleaning objects. For single equipment which cannot form a loop, the stop valve 14 on the first liquid outlet pipe 7 can be closed, the stop valve 14 on the second liquid outlet pipe 8 can be opened, and the nozzle / hose is connected to the pipeline interface 11 of the outlet of the booster pump 3 to perform spray washing / soaking washing; for industrial equipment which can form a circulating loop, the stop valve 14 on the first liquid outlet pipe 7 can be closed, the stop valve 14 on the second liquid outlet pipe 8 can be opened, and the cleaning liquid is discharged into the circulating water tank 1, the circulating water outlet pipe 10 and the liquid return pipe 9 are connected to the liquid inlet and outlet of the industrial equipment respectively, and the circulating pump 4 is started to perform circulating washing; for oil well plugging, the stop valve 14 on the second liquid outlet pipe 8 can be closed, the stop valve 14 on the first liquid outlet pipe 7 can be opened, and the metal pipe is connected to the pipeline interface 11 of the outlet of the booster pump 3 to directly inject the prepared cleaning liquid into the oil well annulus.

[0026] It should be noted that the above examples are used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the specific embodiments of the present application can be modified or some technical features can be replaced by equivalent ones; without departing from the spirit of the technical solutions of the present application, they should be covered in the technical solution range claimed by the present application.

Claims

1. A calcium sulfate scale sequestering cleaning apparatus characterized by: The utility model provides a terminal flushing system, including liquid preparation device, booster pump, circulating water tank and circulating pump, the liquid preparation device includes mixing bin and the water inlet pipe, cleaning agent input pipe, first liquid outlet pipe and second liquid outlet pipe who are communicated on the mixing bin, the output end of first liquid outlet pipe is communicated the liquid inlet of booster pump, and the liquid outlet of booster pump is provided with the pipeline interface for connecting terminal flushing pipe fitting, and the liquid outlet of second liquid outlet pipe is communicated circulating water tank, and still communicated with circulating water liquid outlet pipe and back liquid pipe on circulating water tank, and circulating pump is arranged on circulating water liquid outlet pipe, flowmeter and flow regulating valve are all provided with on water inlet pipe and cleaning agent input pipe, and stop valve is all provided with on first liquid outlet pipe, second liquid outlet pipe, circulating water liquid outlet pipe and back liquid pipe, and the mixing bin includes cylindrical portion and the inverted conical portion who are connected below cylindrical portion, and the inner cylinder is coaxially provided in cylindrical portion, and the output port of water inlet pipe is communicated in the top of cylindrical portion side wall, and the liquid inlet direction avoids the setting of inner cylinder, and the cleaning agent input pipe is coaxially arranged in the inner cylinder, and the bottom end is arranged in the bottom end of inner cylinder, and the both ends of inner cylinder are closed with the outer wall of cleaning agent input pipe.

2. The calcium sulfate scale sequestering cleaning apparatus of claim 1, wherein: The circulating water liquid outlet pipe is communicated with a drain pipe on the side wall upstream of the stop valve, and the drain pipe is provided with a drain valve.

3. The calcium sulfate scale sequestering cleaning apparatus of claim 2, wherein: A vertical strip-shaped window is formed on the side wall of the circulating water tank.

4. A calcium sulphate scale sequestering cleaning apparatus according to any one of claims 1 to 3 characterised in that: It further comprises a conical block coaxially arranged below the cleaning agent input pipe, the conical block is connected to the bottom end of the inner cylinder through a plurality of support rods, and the tip of the conical block is arranged towards the cleaning agent input pipe.

Images