CN216011863U

CN216011863U - Immersive coiled pipe heat exchanger with cleaning effect

Info

Publication number: CN216011863U
Application number: CN202122329359.1U
Authority: CN
Inventors: 周晓林; 韩宝亿; 张凤英; 张开东
Original assignee: Wuxi Baoyi Energy Equipment Co ltd
Current assignee: Wuxi Baoyi Energy Equipment Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-03-11
Anticipated expiration: 2031-09-24

Abstract

The application discloses immersive coiled pipe heat exchanger with clean effect, it includes box and coiled pipe, the coiled pipe sets up in the box, the coiled pipe comprises a plurality of straight tube portions and a plurality of bent pipe portion are connected in turn and are constituteed, still include scarfing cinder ring and magnetic ring, the scarfing cinder ring slides and sets up in straight tube portion, the outer wall of scarfing cinder ring and the inner wall laminating of straight tube portion, the magnetic ring slip cap is located in straight tube portion, the scarfing cinder ring is made by magnetism nature material, the coiled pipe is made by non-magnetism nature material, is provided with the drive on the box the drive assembly that straight tube portion length direction removed is followed to the magnetic ring. This application has the effect that reduces the interior dirt content of serpentine pipe, improves heat exchange efficiency.

Description

Immersive coiled pipe heat exchanger with cleaning effect

Technical Field

The invention relates to an immersed coiled pipe heat exchanger, in particular to an immersed coiled pipe heat exchanger with a cleaning effect.

Background

The immersion heat exchanger is a heat exchanger which is made by placing heat exchange pipelines arranged according to a certain rule in containers such as a groove, and certain gaps are kept among the heat exchange pipes to ensure that effective heat exchange can be carried out.

The immersion type coiled pipe heat exchanger is a heat exchanger taking a coiled heat exchange pipe bundle as a heat exchange element, has the characteristics of simple structure, convenience in manufacturing, installation and cleaning, low price and the like, and is widely applied to heat exchange operation of high-pressure fluid. The coil heat exchanger can be divided into an immersion type and a spray type according to different cooling modes of fluid outside the pipe.

In view of the above-mentioned related technologies, the inventor believes that after a period of time of use, dirt is easily accumulated in the coil, and a large amount of dirt is accumulated in the inner wall of the coil, which may affect heat exchange and reduce heat exchange efficiency of the heat exchanger.

SUMMERY OF THE UTILITY MODEL

In order to reduce the dirt content in the coiled pipe heat exchanger, improve heat exchange efficiency, this application provides an immersive coiled pipe heat exchanger with clean effect.

The application provides an immersive coiled pipe heat exchanger with clean effect adopts following technical scheme:

the utility model provides an immersive coiled pipe heat exchanger with clean effect, includes box and coiled pipe, the coiled pipe set up in the box, the coiled pipe comprises a plurality of straight tube portions and a plurality of bent pipe portion are connected in turn, its characterized in that: the magnetic pipe type slag removing device is characterized by further comprising a slag removing ring and a magnetic ring, wherein the slag removing ring is arranged in the straight pipe portion in a sliding mode, the outer wall of the slag removing ring is attached to the inner wall of the straight pipe portion, the magnetic ring is sleeved on the straight pipe portion in a sliding mode, the slag removing ring is made of magnetic materials, the coiled pipe is made of non-magnetic materials, and a driving component for driving the magnetic ring to move in the length direction of the straight pipe portion is arranged on the box body.

Through adopting above-mentioned technical scheme, drive assembly starts, and the magnetic ring that the straight tube portion was located to the drive cover moves along the length direction of straight tube portion, and under the effect of magnetic ring, the dirt of snakelike inside pipe wall is cleared up and is scraped by the scarfing cinder ring that magnetic material made. Through the mutual cooperation of box, coiled pipe, scarfing cinder ring, magnetic ring and drive assembly, realized the clearance to the dirt of coiled pipe straight tube portion inner wall, had the effect that reduces the interior dirt content of coiled pipe, improves heat exchange efficiency.

Optionally, the driving assembly includes a driving motor, a screw rod and a sliding plate, an opening for accommodating the magnetic ring is formed in the sliding plate, an outer ring wall of the magnetic ring is attached to an inner wall of the opening, the screw rod is in threaded connection with the sliding plate, the setting direction of the screw rod is parallel to the straight pipe portion, the driving motor is connected to the box body, one end of the screw rod is rotatably connected to the inner wall of the box body, and the other end of the screw rod penetrates through the box body and is connected to an output shaft of the driving motor.

By adopting the technical scheme, when slag is removed, the driving motor is started, the screw rod is driven by the driving motor to rotate, the sliding plate moves along the length direction of the straight pipe part under the driving of the screw rod, and the magnetic ring is driven to move along the length direction of the straight pipe part.

Optionally, a guide rod is arranged in the box body, the guide rod is connected between two opposite side walls of the box body, the guide rod is arranged in parallel with the screw rod, and the guide rod is in sliding fit with the sliding plate.

Through adopting above-mentioned technical scheme, the removal that sets up to the slide plate of guide bar provides spacing and direction, makes it move along the length direction of straight tube portion all the time, has strengthened the stability of structure.

Optionally, flanges are arranged at two ends of the straight pipe portion and two ends of the bent pipe portion, and the straight pipe portion and the bent pipe portion are detachably connected through the flanges.

Through adopting above-mentioned technical scheme, the setting up of ring flange makes straight tube portion and elbow portion can dismantle and be connected, has made things convenient for operating personnel to dismantle the coiled pipe and overhaul in the straight tube portion.

Optionally, a guide strip is connected to the inner wall of the straight pipe portion, the guide strip is arranged along the length direction of the straight pipe portion, a guide groove for accommodating the guide strip is formed in the slag removing ring, and the slag removing ring is in sliding fit with the guide strip.

Through adopting above-mentioned technical scheme, setting up of gib block provides spacing and direction for sliding of scarfing cinder ring in the straight tube portion, has further strengthened the stability of structure.

Optionally, two ends of the guide strip are fixedly connected with limiting blocks.

Through adopting above-mentioned technical scheme, the stopper has carried on spacingly to the scarfing cinder ring, has avoided the scarfing cinder ring to slide excessively, falls into the bent pipe portion by straight tube portion.

Optionally, the entry end of coiled pipe is connected with the input tube, be provided with the input valve on the input tube, the exit end of coiled pipe is connected with the output tube, be provided with the output valve on the output tube, be connected with slag removal mechanism on the box, slag removal mechanism includes storage water tank, wastewater tank, inlet tube, outlet pipe and water pump, the one end of inlet tube with the storage water tank intercommunication, the other end and input tube intercommunication, the water pump sets up on the inlet tube, the one end of outlet pipe with the output tube intercommunication, the other end of outlet pipe with the wastewater tank intercommunication.

Through adopting above-mentioned technical scheme, when carrying out the scarfing cinder, close input valve and output valve earlier, start drive assembly again, the scarfing cinder ring carries out the scarfing cinder operation to coiled pipe inner wall under drive assembly's effect. After the slag is removed, the water pump is started, water in the water storage tank is pumped into the coiled pipe through the water inlet pipe by the water pump, dirt scraped in the coiled pipe is washed, and waste water with the dirt flows into the waste water tank through the water outlet pipe to be stored. At this time, the input valve and the output valve are opened again to perform the heat exchange operation.

Optionally, an anti-abrasion layer is arranged on the inner wall of the magnetic ring.

Through adopting above-mentioned technical scheme, the friction between magnetic ring and the straight tube portion has been reduced in the setting of abrasionproof layer, has prolonged the life of equipment.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the mutual matching of the box body, the serpentine pipe, the slag removing ring, the magnetic ring and the driving assembly, the cleaning of dirt on the inner wall of the straight pipe part of the serpentine pipe is realized, and the effects of reducing the content of the dirt in the serpentine pipe and improving the heat exchange efficiency are achieved;

2. the arrangement of the guide strip provides limiting and guiding for the sliding of the slag removing ring in the straight pipe part, so that the stability of the structure is enhanced;

3. the friction between the magnetic ring and the straight pipe part is reduced due to the arrangement of the anti-abrasion layer, and the service life of the equipment is prolonged.

Drawings

Fig. 1 is a schematic structural diagram of an immersion type coiled heat exchanger with a cleaning effect according to an embodiment of the present application.

Fig. 2 is a left side view (a-a cross section) of a submerged coil heat exchanger having a cleaning effect in an embodiment of the present application.

Fig. 3 is a sectional view taken along the line a-a in fig. 2.

Fig. 4 is a left side view (cross-section line B-B) of a submerged serpentine heat exchanger having a cleaning effect in an embodiment of the present application.

Fig. 5 is a sectional view taken along line B-B in fig. 4.

Fig. 6 is an enlarged view of a portion C in fig. 5.

Fig. 7 is a schematic structural diagram for showing a connection structure of the serpentine tube and the driving assembly in the box body in the embodiment of the present application.

Fig. 8 is a front view (cross-sectional line D-D) of a submerged serpentine heat exchanger having a cleaning effect in an embodiment of the present application.

Fig. 9 is a sectional view taken along line D-D in fig. 8.

Fig. 10 is an enlarged view of a portion E in fig. 9.

Description of reference numerals: 1. a box body; 2. a serpentine tube; 21. a straight tube portion; 22. a bent pipe portion; 3. a flange plate; 4. an input tube; 5. an input valve; 6. an output pipe; 7. an output valve; 8. slag removal ring; 9. a magnetic ring; 10. a drive assembly; 101. a drive motor; 102. a screw; 103. a slide plate; 104. a guide bar; 11. an opening; 12. an anti-wear layer; 13. a guide strip; 14. a guide groove; 15. a limiting block; 16. a slag removal mechanism; 161. a water storage tank; 162. a wastewater tank; 163. a water inlet pipe; 164. a water outlet pipe; 165. a water pump; 166. a water inlet valve; 167. and (4) a water outlet valve.

Detailed Description

The present application is described in further detail below with reference to figures 1-10. The embodiment of the application provides an immersive coiled pipe heat exchanger with clean effect, it has the effect that reduces 2 interior dirt contents of coiled pipe, improves heat exchange efficiency.

Referring to fig. 1 to 3, an immersion type serpentine heat exchanger having a cleaning effect includes a housing 1 and a serpentine tube 2. The serpentine pipe 2 is arranged in the box body 1, and the serpentine pipe 2 is formed by alternately connecting a plurality of straight pipe parts 21 and a plurality of bent pipe parts 22. Flanges 3 are connected to both ends of the straight pipe portion 21 and the bent pipe portion 22, and the flanges 3 of the straight pipe portion 21 and the bent pipe portion 22 are connected by bolts (bolts are not shown in the drawing). The opening 11 end of the coiled pipe 2 is communicated with an input pipe 4, and an input valve 5 is arranged on the input pipe 4; the outlet end of the coiled pipe 2 is communicated with an output pipe 6, and the output pipe 6 is provided with an output valve 7.

Referring to fig. 4-6, the straight pipe portion 21 is provided with a slag removing ring 8, the outer wall of the slag removing ring 8 is attached to the inner wall of the straight pipe portion 21, and the slag removing ring 8 is in sliding fit with the straight pipe portion 21. The outer walls of the straight pipe parts 21 are respectively sleeved with a magnetic ring 9, and the magnetic rings 9 are in sliding fit with the straight pipe parts 21. The serpentine tube 2 is made of a non-magnetic material, and the serpentine tube 2 in this embodiment is a copper tube. The slag removing ring 8 is made of magnetic material, and the box body 1 is provided with a driving component 10 which drives the plurality of magnetic rings 9 to move along the straight pipe part 21.

Referring to fig. 6 and 7, when dirt accumulated on the inner wall of the straight pipe portion 21 needs to be cleaned, the driving assembly 10 is started, the magnetic ring 9 slides along the length direction of the straight pipe portion 21 under the driving action of the driving assembly 10, the slag removing ring 8 slides in the straight pipe portion 21 under the suction of the magnetic ring 9, and the dirt adhered to the inner wall of the straight pipe portion 21 is scraped, so that the heat exchange efficiency of the serpentine pipe 2 is improved. The straight pipe part 21 and the bent pipe part 22 are detachably connected, so that an operator can conveniently detach the coiled pipe 2 and overhaul the structure of the coiled pipe.

Referring to fig. 5 and 7, the driving assembly 10 includes a driving motor 101, a screw 102, and a slide plate 103. The sliding plate 103 is arranged in the box body 1 and is vertical to the straight pipe part 21, and a gap is reserved between the edge of the sliding plate 103 and the inner side wall of the box body 1 for ensuring the normal flow of a heat exchange medium in the heat exchanger. The sliding plate 103 is provided with openings 11 for accommodating the magnetic rings 9, and the positions, the number and the shapes of the openings 11 are consistent with those of the magnetic rings 9. The magnetic ring 9 is fixedly connected to the inner wall of the opening 11, and the inner wall of the magnetic ring 9 is provided with an anti-abrasion layer 12. The driving motor 101 is connected to the outer vertical side wall of the box 1, the screw 102 is in threaded connection with the sliding plate 103, and the arrangement direction of the screw 102 is parallel to the length direction of the straight pipe part 21. One end of the screw 102 is rotatably connected with the inner side wall of the box 1, and the other end thereof penetrates through the side wall of the box 1 and is connected with the output shaft of the driving motor 101. The box body 1 is also internally provided with a guide rod 104, the guide rod 104 is connected between two opposite vertical side walls of the box body 1, and the guide rod 104 is in sliding fit with the sliding plate 103 and is arranged in parallel relative to the screw rod 102.

Referring to fig. 5 and 7, when the driving assembly 10 is started, the driving motor 101 is started to drive the screw 102 to rotate, and the sliding plate 103 moves along the length direction of the straight pipe portion 21 under the driving of the screw 102 and the limiting and guiding effects of the guide rod 104, and drives the magnetic ring 9 connected to the sliding plate 103 to move synchronously. The arrangement of the anti-abrasion layer 12 reduces the friction between the magnetic ring 9 and the straight pipe part 21, and prolongs the service life of the structure.

Referring to fig. 6, a guide bar 13 is fixedly connected to an inner wall of the straight tube portion 21, and the guide bar 13 is disposed along a longitudinal direction of the straight tube portion 21. Two guide strips 13 are arranged in each straight pipe part 21, and the two guide strips 13 are symmetrically arranged in the straight pipe part 21 by taking the central axis of the straight pipe part 21 as a symmetry center.

Referring to fig. 8-10, the slag removing ring 8 is provided with two guide grooves 14 corresponding to the guide bars 13 in position and shape, and the slag removing ring 8 is in sliding fit with the guide bars 13. The both ends of gib block 13 respectively are connected with a stopper 15, and when scarfing cinder ring 8 slided to the tip of gib block 13, stopper 15 and scarfing cinder ring 8 butt.

Referring to fig. 7 and 10, the arrangement of the guide strips 13 provides a limit and a guide for the sliding of the slag removing ring 8 in the straight pipe part 21, and the structural stability is enhanced. The arrangement of the limiting block 15 avoids the excessive slippage of the slag removing ring 8 and the falling of the slag removing ring from the straight pipe part 21 into the bent pipe part 22.

Referring to fig. 2 and 3, the tank 1 is connected with a slag removal mechanism 16, and the slag removal mechanism 16 includes a water storage tank 161, a waste water tank 162, a water inlet pipe 163 and a water outlet pipe 164. One end of the water inlet pipe 163 is communicated with the water storage tank 161, the other end is communicated with the input pipe 4, and the water inlet pipe 163 is connected to the input pipe 4 between the input valve 5 and the inlet end of the serpentine pipe 2. The water inlet pipe 163 is provided with a water pump 165, the water inlet pipe 163 is provided with a water inlet valve 166, and the water inlet valve 166 is arranged on the water inlet pipe 163 between the water pump 165 and the input pipe 4. One end of the water outlet pipe 164 is communicated with the waste water tank 162, the other end is communicated with the output pipe 6, and the water outlet pipe 164 is connected to the output pipe 6 between the output valve 7 and the outlet end of the serpentine pipe 2. The outlet pipe 164 is provided with an outlet valve 167.

Referring to fig. 2 and 3, when slag removal from the straight pipe portion 21 is required, the input valve 5 and the output valve 7 are closed, and the driving unit 10 is actuated to remove slag from the inner wall of the straight pipe portion 21. After the slag removal is completed, the water inlet valve 166 and the water outlet valve 167 are opened, the water pump 165 is started, water in the water storage tank 161 flows into the coiled pipe 2 through the water inlet pipe 163 and the input pipe 4 under the action of the water pump 165, dirt scraped from the coiled pipe 2 is washed, and waste water with dirt flows into the waste water tank 162 through the water outlet pipe 164 to be temporarily stored. After the residue in the serpentine pipe 2 is washed clean, the water pump 165, the water inlet valve 166 and the water outlet valve 167 are closed, and the input valve 5 and the output valve 7 are opened, so that the heat exchange medium flows into the serpentine pipe 2 for heat exchange.

The implementation principle of the immersive coiled pipe heat exchanger with the cleaning effect is as follows: when dirt accumulated on the inner wall of the straight pipe part 21 needs to be cleaned, the driving assembly 10 is started, the driving motor 101 is started to drive the screw 102 to rotate, and under the driving action of the screw 102 and the guiding action of the guide rod 104, the sliding plate 103 moves along the length direction of the straight pipe part 21 to drive the magnetic ring 9 connected to the sliding plate 103 to synchronously move. The slag removing ring 8 in the straight pipe part 21 slides in the straight pipe part 21 under the suction of the magnetic ring 9, so that dirt adhered in the straight pipe part 21 is scraped, and the heat exchange efficiency of the serpentine pipe 2 is improved.

After the slag removal operation is completed, the slag removal mechanism 16 is started, the water pump 165 pumps water in the water storage tank 161 into the coiled pipe 2 to flush residues in the coiled pipe, and wastewater with the residues flows into the wastewater tank 162 to be temporarily stored, so that the residues in the coiled pipe 2 are cleaned.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an immersive coiled pipe heat exchanger with clean effect, includes box (1) and coiled pipe (2), coiled pipe (2) set up in box (1), coiled pipe (2) are connected in turn by a plurality of straight tube portion (21) and a plurality of bent pipe portion (22) and are constituteed, its characterized in that: still include slag ring (8) and magnetic ring (9), slag ring (8) slide set up in straight tube portion (21), the outer wall of slag ring (8) with the inner wall laminating of straight tube portion (21), magnetic ring (9) sliding sleeve is located on straight tube portion (21), slag ring (8) are made by magnetic material, coiled pipe (2) are made by non-magnetic material, be provided with the drive on box (1) magnetic ring (9) are followed straight tube portion (21) length direction removes drive assembly (10).

2. A cleaning-effect submerged coiled heat exchanger as set forth in claim 1, wherein: the driving assembly (10) comprises a driving motor (101), a screw rod (102) and a sliding plate (103), an opening (11) used for accommodating the magnetic ring (9) is formed in the sliding plate (103), the outer ring wall of the magnetic ring (9) is attached to the inner wall of the opening (11), the screw rod (102) is in threaded connection with the sliding plate (103), the setting direction of the screw rod (102) is parallel to the straight pipe portion (21), the driving motor (101) is connected to the box body (1), one end of the screw rod (102) is rotatably connected with the inner wall of the box body (1), and the other end of the screw rod (102) penetrates through the box body (1) and is connected with an output shaft of the driving motor (101).

3. A cleaning-effect submerged coiled heat exchanger as set forth in claim 2, wherein: the novel sliding box is characterized in that a guide rod (104) is arranged in the box body (1), the guide rod (104) is connected between two opposite side walls of the box body (1), the guide rod (104) and the screw rod (102) are arranged in parallel, and the guide rod (104) is in sliding fit with the sliding plate (103).

4. A cleaning-effect submerged coiled heat exchanger as set forth in claim 1, wherein: the straight pipe portion (21) with the both ends of bent pipe portion (22) all are provided with ring flange (3), straight pipe portion (21) with pass through between bent pipe portion (22) flange (3) can dismantle the connection.

5. A cleaning-effect submerged coil heat exchanger as set forth in claim 3 wherein: the inner wall of the straight pipe portion (21) is connected with a guide strip (13), the guide strip (13) is arranged along the length direction of the straight pipe portion (21), a guide groove (14) used for containing the guide strip (13) is formed in the slag removing ring (8), and the slag removing ring (8) is in sliding fit with the guide strip (13).

6. A cleaning-effect submerged coiled heat exchanger as set forth in claim 5, wherein: and two ends of the guide strip (13) are fixedly connected with limit blocks (15).

7. A cleaning-effect submerged coiled heat exchanger as set forth in claim 1, wherein: the inlet end of coiled pipe (2) is connected with input tube (4), be provided with input valve (5) on input tube (4), the exit end of coiled pipe (2) is connected with output tube (6), be provided with output valve (7) on output tube (6), be connected with slag removal mechanism (16) on box (1), slag removal mechanism (16) are including storage water tank (161), waste water tank (162), inlet tube (163), outlet pipe (164) and water pump (165), the one end of inlet tube (163) with storage water tank (161) intercommunication, the other end and input tube (4) intercommunication, water pump (165) set up on inlet tube (163), the one end of outlet pipe (164) with output tube (6) intercommunication, the other end of outlet pipe (164) with waste water tank (162) intercommunication.

8. A cleaning-effect submerged coiled heat exchanger as set forth in claim 1, wherein: and an anti-abrasion layer (12) is arranged on the inner wall of the magnetic ring (9).