Cleaning device for heat exchange tube bundle

Abstract

The utility model discloses a heat exchange tube bundle cleaning device which comprises a heat exchanger and a booster pump, the top end of the heat exchanger is connected with an access cover through a flange, a main flow tube and a plurality of branch flow tubes are inserted into the heat exchanger, a heat exchange cavity is formed in the heat exchanger, a feeding cavity is formed in the bottom of the heat exchanger, and a feeding tube is inserted into one side of the feeding cavity. A first blow-off pipe is inserted into one side of the feeding cavity, a second blow-off pipe is inserted into the other side of the feeding cavity, the bottom end of the main flow pipe penetrates through the bottom end of the heat exchanger to be connected with a discharging pipe and a first blow-off pipe in an inserted mode, the other end of the second blow-off pipe is connected with the first blow-off pipe in an inserted mode, a first electromagnetic valve is arranged on the discharging pipe, and second electromagnetic valves are arranged on the first blow-off pipe and the second blow-off pipe. Cleaning liquid is input into the water storage box from the water inlet pipe and then sprayed to the inner walls of the flow dividing pipe and the main flow pipe from the flushing nozzles, so that the flow dividing pipe and the main flow pipe are flushed and then discharged from the first blow-off pipe and the second blow-off pipe, and therefore cleaning is convenient, convenient and rapid.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchanger cleaning, in particular to a cleaning device for a heat exchange tube bundle. Background Art

[0002] High-pressure heat exchangers are relatively important equipment in oil production and processing. They are widely used to recover waste heat in processes such as coal-to-oil, coal-to-gas, and crude oil processing, thereby significantly saving energy efficiency. The heat exchange tube bundle is an important component in the high-pressure heat exchanger.

[0003] At present, the existing heat exchange tube bundles often need to be cleaned after use, but most of the existing heat exchange tube bundles are located in a closed space, which is inconvenient to clean and operate, thus affecting the use effect. Utility Model Content

[0004] The utility model aims to solve the problem that the existing heat exchange tube bundles in the prior art often need to be cleaned after use, and the existing heat exchange tube bundles are mostly located in a closed space, which is inconvenient to clean and operate, thus affecting the use effect, and a cleaning device for the heat exchange tube bundle is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A cleaning device for a heat exchange tube bundle comprises a heat exchanger and a booster pump, wherein the top of the heat exchanger is connected to a maintenance cover through a flange, a main pipe and a plurality of branch pipes are inserted in the heat exchanger, a heat exchange chamber is provided in the heat exchanger, a feed chamber is provided at the bottom of the heat exchanger, a feed pipe is inserted on one side of the feed chamber, a second drain pipe is inserted on the other side of the feed chamber, the bottom end of the main pipe passes through the bottom end of the heat exchanger and is inserted with a drain pipe and a first drain pipe, the other end of the second drain pipe is inserted with the first drain pipe, a first solenoid valve is provided on the drain pipe, and a second solenoid valve is provided on the first drain pipe and the second drain pipe, a water inlet pipe is inserted on the top of the maintenance cover, a water storage box is fixedly connected to the top inner wall of the maintenance cover, the water inlet pipe is inserted with the top of the water storage box, a plurality of flushing nozzles are inserted at the bottom of the water storage box, and the plurality of flushing nozzles are arranged opposite to the branch pipe and the main pipe.

[0007] Furthermore, a liquid inlet pipe is inserted into one side of the heat exchange chamber.

[0008] Furthermore, a liquid outlet pipe is inserted into the other side of the heat exchange chamber.

[0009] Furthermore, the outlet end of the booster pump is plugged into the feed pipe.

[0010] Furthermore, a control valve is provided on the feed pipe.

[0011] Furthermore, a booster pump is fixedly connected inside the water storage box, and a water outlet end of the booster pump is connected to the flushing nozzle.

[0012] Furthermore, the heat exchange chamber is arranged around the branch pipe and the main flow pipe.

[0013] The beneficial effects of the utility model are:

[0014] 1. The cleaning liquid is input into the water storage box from the water inlet pipe, and then sprayed from the flushing nozzle to the inner wall of the branch pipe and the main pipe, so as to flush the branch pipe and the main pipe, and then discharged from the first sewage pipe and the second sewage pipe, so as to facilitate cleaning, convenient and quick.

[0015] 2. The heat exchange chamber is arranged around the shunt pipe and the main pipe so that the objects in the shunt pipe and the main pipe can be evenly heat exchanged and cooled. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional structural schematic diagram of a cleaning device for a heat exchange tube bundle proposed by the utility model;

[0017] Figure 2 This is a bottom view structural schematic diagram of a heat exchange tube bundle cleaning device proposed by the utility model;

[0018] Figure 3 The utility model is a schematic cross-sectional structure diagram of a cleaning device for a heat exchange tube bundle.

[0019] In the figure: 1. heat exchanger; 2. inspection cover; 3. diverter pipe; 4. main pipe; 5. heat exchange chamber; 6. liquid inlet pipe; 7. liquid outlet pipe; 8. feed chamber; 9. feed pipe; 10. booster pump; 11. control valve; 12. discharge pipe; 13. first solenoid valve; 14. water inlet pipe; 15. water storage box; 16. flushing nozzle; 17. first sewage pipe; 18. second sewage pipe; 19. second solenoid valve. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-Figure 3A cleaning device for a heat exchange tube bundle includes a heat exchanger 1 and a booster pump 10. The top of the heat exchanger 1 is connected with an inspection cover 2 through a flange. A main pipe 4 and a plurality of branch pipes 3 are inserted in the heat exchanger 1. A heat exchange chamber 5 is provided in the heat exchanger 1. A feed chamber 8 is provided at the bottom of the heat exchanger 1. A feed pipe 9 is inserted on one side of the feed chamber 8. A second drain pipe 18 is inserted on the other side of the feed chamber 8. The bottom end of the main pipe 4 passes through the bottom end of the heat exchanger 1 and is inserted with a drain pipe 12 and a first drain pipe 17. Under the action of the booster pump 10, an object is pumped from the feed pipe 9 into the feed chamber 8, and then transported from the branch pipe 3 to the top of the heat exchanger 1. Then, the object is input from the top of the heat exchanger 1 into the main pipe 4, and then discharged through the drain pipe 12. The second drain pipe 17 is connected to the main pipe 4. The other end of the pipe 18 is plugged into the first sewage pipe 17, the discharge pipe 12 is provided with a first solenoid valve 13, the first sewage pipe 17 and the second sewage pipe 18 are provided with a second solenoid valve 19, the top of the inspection cover 2 is plugged with a water inlet pipe 14, the top inner wall of the inspection cover 2 is fixed with a water storage box 15 by bolts, the water inlet pipe 14 is plugged into the top of the water storage box 15, and the bottom of the water storage box 15 is plugged with a plurality of flushing nozzles 16, the cleaning liquid is input into the water storage box 15 from the water inlet pipe 14, and then sprayed from the flushing nozzle 16 to the inner walls of the diverter pipe 3 and the main pipe 4, so as to flush the diverter pipe 3 and the main pipe 4, and then discharged from the first sewage pipe 17 and the second sewage pipe 18, and the plurality of flushing nozzles 16 are arranged opposite to the diverter pipe 3 and the main pipe 4.

[0022] A liquid inlet pipe 6 is plugged into one side of the heat exchange chamber 5, and a liquid outlet pipe 7 is plugged into the other side of the heat exchange chamber 5. Condensed water is input into the heat exchange chamber 5 from the liquid inlet pipe 6 and then discharged from the liquid outlet pipe 7, thereby performing heat exchange and cooling on the items in the branch pipe 3 and the main pipe 4. The outlet end of the booster pump 10 is plugged into the feed pipe 9, and a control valve 11 is provided on the feed pipe 9. The flow of the feed pipe 9 is controlled by the control valve 11. A booster pump is fixed in the water storage box 15 by bolts, and the water outlet end of the booster pump is connected to the flushing nozzle 16. The heat exchange chamber 5 is arranged around the branch pipe 3 and the main pipe 4.

[0023] The working principle of this embodiment is as follows: when in use, first, the first solenoid valve 13 is opened, and then, under the action of the booster pump 10, the object is pumped from the feed pipe 9 into the feed cavity 8, and then transported from the shunt pipe 3 to the top of the heat exchanger 1, and then, the object is transported from the top of the heat exchanger 1 into the main pipe 4. In this process, condensed water is transported from the liquid inlet pipe 6 into the heat exchange cavity 5, and then discharged from the liquid outlet pipe 7, so that the objects in the shunt pipe 3 and the main pipe 4 are heat exchanged and cooled, and then discharged through the discharge pipe 12;

[0024] When cleaning is required, the first solenoid valve 13 is closed and the second solenoid valve 19 is opened. Then, the cleaning liquid is input into the water storage box 15 from the water inlet pipe 14, and then sprayed from the flushing nozzle 16 to the inner walls of the branch pipe 3 and the main pipe 4, thereby flushing the branch pipe 3 and the main pipe 4, and then discharged from the first sewage pipe 17 and the second sewage pipe 18.

[0025] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A cleaning device for a heat exchange tube bundle, comprising a heat exchanger (1) and a booster pump (10), characterized in that: The top of the heat exchanger (1) is connected to an inspection cover (2) via a flange, a main flow pipe (4) and a plurality of branch pipes (3) are inserted into the heat exchanger (1), a heat exchange chamber (5) is provided in the heat exchanger (1), a feed chamber (8) is provided at the bottom of the heat exchanger (1), a feed pipe (9) is inserted into one side of the feed chamber (8), a second sewage pipe (18) is inserted into the other side of the feed chamber (8), the bottom end of the main flow pipe (4) passes through the bottom end of the heat exchanger (1) and is inserted into a discharge pipe (12) and a first sewage pipe (17), the other end of the second sewage pipe (18) is connected to the A first sewage discharge pipe (17) is plugged in, a first solenoid valve (13) is provided on the discharge pipe (12), a second solenoid valve (19) is provided on the first sewage discharge pipe (17) and the second sewage discharge pipe (18), a water inlet pipe (14) is plugged in the top of the inspection cover (2), a water storage box (15) is fixedly connected to the top inner wall of the inspection cover (2), the water inlet pipe (14) is plugged in with the top of the water storage box (15), a plurality of flushing nozzles (16) are plugged in the bottom of the water storage box (15), and the plurality of flushing nozzles (16) are arranged opposite to the diversion pipe (3) and the main flow pipe (4).

2. A cleaning device for a heat exchange tube bundle according to claim 1, characterized in that: A liquid inlet pipe (6) is inserted into one side of the heat exchange chamber (5).

3. The cleaning device for a heat exchange tube bundle according to claim 1, characterized in that: A liquid outlet pipe (7) is inserted into the other side of the heat exchange chamber (5).

4. The cleaning device for a heat exchange tube bundle according to claim 1, characterized in that: The outlet end of the booster pump (10) is plugged into the feed pipe (9).

5. The cleaning device for a heat exchange tube bundle according to claim 1, characterized in that: The feed pipe (9) is provided with a control valve (11).

6. The cleaning device for a heat exchange tube bundle according to claim 1, characterized in that: A booster pump is fixedly connected inside the water storage box (15), and a water outlet end of the booster pump is connected to the flushing nozzle (16).

7. The cleaning device for a heat exchange tube bundle according to claim 1, characterized in that: The heat exchange chamber (5) is arranged around the branch pipe (3) and the main pipe (4).

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