Intelligent cleaning anti-blocking device of heat pump for oil field

Abstract

The utility model relates to the technical field of heat pump intelligent cleaning anti-blocking, and discloses a heat pump intelligent cleaning anti-blocking device for an oil field, which comprises an automatic cleaning filter vat, the front end of the automatic cleaning filter vat is fixedly connected with a filter vat liquid inlet flange, and the outer wall of the rear end of the automatic cleaning filter vat is fixedly connected with a filter vat liquid discharge flange. A liquid inlet pipeline is installed at the rear end of the filter barrel drainage flange, a built-in filter screen and a plate heat exchanger are fixedly connected to the inner wall of the automatic cleaning filter barrel, the top end of the plate heat exchanger is fixedly connected with a liquid inlet flange, the bottom end of the plate heat exchanger is fixedly connected with a liquid outlet flange, and an electric switch valve is installed at the front end of the liquid inlet flange at the right end. According to the utility model, potential problems can be found earlier, the timeliness and the accuracy of maintenance are improved, manual intervention is reduced, the cleaning efficiency and the safety are improved, and the running state and the cleaning record of the system are sent to management personnel in real time so as to adapt to different working environments and conditions.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat pump intelligence clear anti -blocking technical field especially relates to a heat pump intelligence clear anti -blocking device for oil field. BACKGROUND

[0002] The heat pump intelligence clear anti -blocking device for oil field is a kind of equipment specially designed to solve the problem of pipeline blockage caused by crude oil condensation or impurity deposition in oil field production, and the device provides continuous and stable heat source for oil pipe by using heat pump technology to heat crude oil, reduce its viscosity, prevent wax deposition and other impurities deposition on the inner wall of oil pipe, so as to guarantee normal production of oil well and improve oil production efficiency.

[0003] As a key component in heat pump system, the performance of heat pump plate heat exchanger directly affects the operating efficiency and stability of the whole system, however, in actual application, plate heat exchanger often faces the risk of blockage due to the existence of impurities, particulate matter, sediment and the like in medium, which not only reduces heat exchange efficiency and increases energy consumption, but also causes damage to equipment and shortens service life.

[0004] To this end, the heat pump intelligence clear anti -blocking device for oil field is provided for the technical problem. UTILITY MODEL CONTENTS

[0005] The heat pump intelligence clear anti -blocking device for oil field can find potential problems earlier, improve the timeliness and accuracy of maintenance, reduce manual intervention, improve cleaning efficiency and safety, and send the operating state and cleaning record of the system to management personnel in real time to adapt to different working environments and conditions.

[0006] To achieve the above object, the utility model provides the following technical scheme.

[0007] A heat pump intelligence clear anti -blocking device for oil field, comprising: an automatic cleaning filter barrel, the automatic cleaning filter barrel front end is fixedly connected with filter barrel liquid inlet flange, the automatic cleaning filter barrel rear end outer wall is fixedly connected with filter barrel liquid outlet flange, the filter barrel liquid outlet flange rear end is installed with liquid inlet pipeline, the automatic cleaning filter barrel inner wall is fixedly connected with built-in filter screen;

[0008] Plate heat exchanger, the plate heat exchanger top is fixedly connected with liquid inlet flange, the plate heat exchanger bottom is fixedly connected with liquid outlet flange, right end liquid inlet flange front end is installed with electric switch valve, the electric switch valve front end is installed with tee pipe, the tee pipe front end is fixedly connected with bypass pipeline.

[0009] Further, the automatic cleaning filter barrel bottom end is fixedly connected with a blowdown flange, a bottom end of the blowdown flange is installed with an electric switch three-way valve one, and a bottom end of the electric switch three-way valve one is installed with a liquid outlet pipeline.

[0010] Further, a rear end of the liquid outlet pipeline is installed with an electric switch three-way valve three, and left and right ends of the electric switch three-way valve three are installed at front ends of left and right liquid outlet flanges respectively.

[0011] Further, a front end top side of the automatic cleaning filter barrel is installed with an electric switch three-way valve four, and a right end of the electric switch three-way valve four is installed at a left end of a bypass pipeline.

[0012] Further, a front end top side of the automatic cleaning filter barrel is installed with an electric switch three-way valve four, and a right end of the electric switch three-way valve four is installed at a left end of a bypass pipeline.

[0013] Further, a left end of the three-way pipe is installed with an electric switch three-way valve two, and a bottom end of the electric switch three-way valve two is installed at a rear end of a filter barrel liquid discharge flange.

[0014] Further, a top end of the automatic cleaning filter barrel is installed with a speed reducer, a driving end of the speed reducer is fixedly connected with a scraper, and an outer wall of the scraper and an inner wall of a built-in filter screen are closely attached.

[0015] The utility model has the advantages of the following beneficial effects:

[0016] In the utility model, real-time monitoring and intelligent analysis of the heat pump system are realized, which can discover potential problems earlier than traditional manual monitoring and regular maintenance, improve the timeliness and accuracy of maintenance, automatically select suitable cleaning methods and cleaning devices, efficiently clean the blockages in the heat pump system, reduce manual intervention, improve cleaning efficiency and safety, reduce maintenance cost, reduce energy consumption caused by manual maintenance, improve maintenance efficiency, prolong the service life of the heat pump system, and send the running state and cleaning records of the system to the management personnel in real time, which enables the management personnel to discover and handle problems in time to adapt to different working environments and conditions, and improve the stability and reliability of the system. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A perspective view of the heat pump intelligent cleaning and anti-blocking device for oil fields is provided in the utility model;

[0018] Figure 2 A filter barrel liquid inlet flange structure schematic view of the heat pump intelligent cleaning and anti-blocking device for oil fields is provided in the utility model;

[0019] Figure 3 A front view of the heat pump intelligent cleaning and anti-blocking device for oil fields is provided in the utility model;

[0020] Figure 4 A top view of the oilfield heat pump intelligent cleaning and anti-blocking device is provided in the utility model.

[0021] Figure 5 A structure schematic view of the electric switch three-way valve one of the oilfield heat pump intelligent cleaning and anti-blocking device is provided in the utility model.

[0022] Figure 6 A profile view of the automatic cleaning filter barrel of the oilfield heat pump intelligent cleaning and anti-blocking device is provided in the utility model.

[0023] Legend:

[0024] 1, filter barrel liquid inlet flange; 2, speed reducer motor; 3, pressure gauge; 4, scraper; 5, built-in filter screen; 6, blowdown flange; 7, liquid outlet pipeline; 8, filter barrel liquid outlet flange; 9, liquid inlet pipeline; 10, liquid inlet flange; 11, liquid outlet flange; 12, electric switch three-way valve one; 13, bypass pipeline; 14, electric switch valve; 15, control cabinet; 16, plate heat exchanger; 17, automatic cleaning filter barrel; 18, three-way pipe; 19, electric switch three-way valve two; 20, electric switch three-way valve three; 21, electric switch three-way valve four. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Referring to Figures 1-3 , the utility model provides an embodiment: an oilfield heat pump intelligent cleaning and anti-blocking device, including automatic cleaning filter barrel 17, automatic cleaning filter barrel 17 front end fixedly connected with filter barrel liquid inlet flange 1, automatic cleaning filter barrel 17 rear end outer wall fixedly connected with filter barrel liquid outlet flange 8, filter barrel liquid outlet flange 8 rear end is installed with liquid inlet pipeline 9, automatic cleaning filter barrel 17 inner wall fixedly connected with built-in filter screen 5, automatic cleaning filter barrel 17 bottom end fixedly connected with blowdown flange 6, blowdown flange 6 bottom end is installed with electric switch three-way valve one 12, electric switch three-way valve one 12 bottom end is installed with liquid outlet pipeline 7, referring to Figure 6 , automatic cleaning filter barrel 17 top end is installed with speed reducer motor 2, and speed reducer motor 2 drive end is fixedly connected with scraper 4, and scraper 4 outer wall and built-in filter screen 5 inner wall are close to each other, and automatic cleaning filter barrel 17 front end bottom side is installed with control cabinet 15, and automatic cleaning filter barrel 17 left end outer wall is installed with pressure gauge 3 on both sides.

[0027] Specifically: pressure gauge 3 detects the inlet liquid pressure and filtered liquid outlet pressure respectively, when the pressure difference exceeds the set pressure value, the deceleration motor 2 is started to drive the scraper 4 to run and remove the impurities in the automatic cleaning filter barrel 17, the electric switch valve 12 connected with the blowdown flange 6 is opened to discharge the impurities into the liquid outlet pipeline 7, after cleaning, the blowdown electric switch three-way valve 12 is closed, and the normal work is switched to.

[0028] Referring to Figure 4 and Figure 5 , the plate heat exchanger 16 is fixedly connected with the liquid inlet flange 10 at the top end, and is fixedly connected with the liquid outlet flange 11 at the bottom end, the electric switch valve 14 is installed at the front end of the right end liquid inlet flange 10, the three-way pipe 18 is installed at the front end of the electric switch valve 14, the bypass pipeline 13 is fixedly connected with the three-way pipe 18 at the front end, the electric switch three-way valve three 20 is installed at the rear end of the liquid outlet pipeline 7, the electric switch three-way valve three 20 is installed at the front end of the left and right liquid outlet flanges 11 respectively, the electric switch three-way valve four 21 is installed at the top side of the front end of the automatic cleaning filter barrel 17, the electric switch three-way valve four 21 is installed at the left end of the bypass pipeline 13, the electric switch three-way valve two 19 is installed at the left end of the three-way pipe 18, and the electric switch three-way valve two 19 is installed at the rear end of the filter barrel liquid outlet flange 8.

[0029] Specifically: when the control cabinet 5 finds that the pressure is abnormal for a long time, it can be judged that the automatic cleaning filter barrel 17 is faulty, the electric switch three-way valve four 21 connected with the filter barrel liquid inlet flange 1 can be directly switched to the bypass pipeline 13, and the original running state is restored, the automatic cleaning filter barrel 17 is removed for maintenance, if one of the plate heat exchangers 16 fails, the electric switch three-way valve three 20 and the electric switch valve 13 installed at the liquid inlet pipeline 9 and the liquid outlet pipeline 7 of the plate heat exchanger 16 are controlled by the switch to introduce the liquid into another heat exchanger without failure to work, and the faulty heat exchanger is removed for cleaning, so that the operation is not interrupted and economic loss is avoided.

[0030] Working principle: liquid from filter barrel into liquid flange 1 into automatic cleaning filter barrel 17, automatic cleaning filter barrel 17 installed speed reducer 2, when the pressure gauge 3 detects the pressure drop too much, send a signal, speed reducer 2 driven scraper 4 will built-in filter screen 5 from the built-in filter screen 5 filter impurities scraped down, through the blowdown flange 6 and electric switch three-way valve 12 into the liquid outlet pipe 7 for storage, after filtration of clean liquid from filter barrel discharge flange 8 out, through the liquid inlet pipe 9 and plate heat exchanger 16 liquid inlet flange 10 connection, liquid through plate heat exchanger 16 after work from the liquid outlet flange 11 from the other side of the discharge, in addition, installed in front of the filter barrel liquid inlet flange 1 electric switch three-way valve four 21, and when the filter barrel liquid inlet flange 1 failure, can be directly connected to the filter barrel liquid inlet flange 1 electric switch three-way valve four 21 place to accept access, open bypass line 13, liquid through bypass line 13 into automatic cleaning filter barrel 17 liquid inlet pipe 9, liquid inlet pipe 9 butt three-way pipe 18 electric switch three-way valve two 19 and electric switch valve 14, through the operation of control cabinet 15 control system, restore to the original one use one standby mode, in addition, the blowdown flange 6 installed electric switch three-way valve 12, meet the one use one standby requirements, control cabinet 15 can control the operation of the entire circuit and collect pressure data, can realize remote monitoring and blockage early warning function.

[0031] Finally, it should be noted that: the above only for the preferred embodiments of the present application have, and not for limiting the present application, although the foregoing detailed description of the present application has been made with reference to the foregoing embodiments, for the skilled in the art, it can still be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A heat pump intelligent anti-clogging device for oil fields, characterized in that, include: An automatic cleaning filter barrel (17) is provided. The front end of the automatic cleaning filter barrel (17) is fixedly connected to a filter barrel inlet flange (1). The rear end of the automatic cleaning filter barrel (17) is fixedly connected to a filter barrel drain flange (8). The rear end of the filter barrel drain flange (8) is equipped with an inlet pipe (9). The inner wall of the automatic cleaning filter barrel (17) is fixedly connected to an internal filter screen (5). Plate heat exchanger (16), the top of the plate heat exchanger (16) is fixedly connected to a liquid inlet flange (10), the bottom of the plate heat exchanger (16) is fixedly connected to a liquid outlet flange (11), the front end of the liquid inlet flange (10) on the right end is equipped with an electric switch valve (14), the front end of the electric switch valve (14) is equipped with a three-way pipe (18), the front end of the three-way pipe (18) is fixedly connected to a bypass pipe (13).

2. The intelligent anti-clogging device for oilfield heat pumps according to claim 1, characterized in that: The bottom of the automatic cleaning filter bucket (17) is fixedly connected to a drain flange (6), and the bottom of the drain flange (6) is equipped with an electric switch three-way valve (12), and the bottom of the electric switch three-way valve (12) is equipped with a liquid outlet pipe (7).

3. The intelligent anti-clogging device for oilfield heat pumps according to claim 2, characterized in that: The outlet pipe (7) is equipped with an electric switch three-way valve three (20) at the rear end. The left and right ends of the electric switch three-way valve three (20) are respectively installed at the front end of the outlet flange (11) on the left and right sides.

4. The intelligent anti-clogging device for oilfield heat pumps according to claim 1, characterized in that: The automatic cleaning filter barrel (17) is equipped with a control cabinet (15) at the bottom front end, and pressure gauges (3) are installed on both the upper and lower sides of the outer wall of the left end of the automatic cleaning filter barrel (17).

5. The intelligent anti-clogging device for oilfield heat pumps according to claim 1, characterized in that: The front top side of the automatic cleaning filter barrel (17) is equipped with an electric switch three-way valve four (21), and the right end of the electric switch three-way valve four (21) is installed at the left end of the bypass pipeline (13).

6. The intelligent anti-clogging device for oilfield heat pumps according to claim 1, characterized in that: The left end of the three-way pipe (18) is equipped with an electric switch three-way valve two (19), and the bottom end of the electric switch three-way valve two (19) is installed at the rear end of the filter barrel drain flange (8).

7. The intelligent anti-clogging device for oilfield heat pumps according to claim 1, characterized in that: The automatic cleaning filter barrel (17) is equipped with a geared motor (2) at the top. The drive end of the geared motor (2) is fixedly connected to a scraper (4). The outer wall of the scraper (4) and the inner wall of the built-in filter screen (5) are closely attached.

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