CN218646106U - Heavy oil heater - Google Patents

Abstract

The application discloses heavy oil heater, including both ends open-ended casing, be provided with the support saddle on the outer wall of casing, evenly be provided with many heat exchange tubes in the casing, heavy oil entry and heavy oil export have been seted up on the casing, be provided with two mounting discs in the casing, two mounting discs set up the both ends tip at the casing respectively, leave the heating chamber between two mounting discs, the terminal surface of each heat exchange tube all flushes with the terminal surface that the mounting disc is close to the lid, set up the steam inlet that is used for carrying heating steam to the heating intracavity on the casing outer wall, set up the condensate export with the steam inlet adaptation on the casing outer wall, be provided with the fuel delivery pump on the casing, the both ends opening part of casing all is provided with the lid, the equal fixed flange that is provided with of the tip of lid and casing, be provided with the connecting bolt who is used for connecting fixed casing and lid between lid and the casing. This application is rational in infrastructure, and this application has the effect of being convenient for carry out the washing to the heat transfer pipe inner wall.

Description

Heavy oil heater

Technical Field

The application relates to the technical field of heat exchange, in particular to a heavy oil heater.

Background

The heavy oil heater is an energy-saving device for preheating or secondarily heating fuel oil, is arranged in front of a combustion device, and is used for heating the fuel oil before combustion, so that the heavy oil heater can reduce the viscosity of the fuel oil at high temperature (105-150 ℃), promote sufficient atomization and combustion and the like, and finally achieve the purpose of saving energy.

Heavy oil heater uses the long time back among the prior art, and heavy oil easily accumulates one deck scaling on the heat exchange tube inner wall, easily influences the subsequent heat transfer effect of heat exchange tube, needs regularly to wash the heat exchange tube inner wall, and heavy oil heater's casing is integrated into one piece usually, dismantles inconveniently, is not convenient for wash the heat exchange tube inner wall, the probably increase of heat exchange tube jam.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the washing to the heat transfer pipe, this application provides a heavy oil heater.

The application provides a heavy oil heater adopts following technical scheme:

the utility model provides a heavy oil heater, includes both ends open-ended casing, be provided with on the outer wall of casing and support the saddle, evenly be provided with many heat exchange tubes in the casing, heavy oil entry and heavy oil export have been seted up on the casing, be provided with two mounting discs in the casing, two the mounting disc sets up respectively the both ends tip of casing, two leave the heating chamber between the mounting disc, each the terminal surface of heat exchange tube all with the mounting disc flushes near the terminal surface of lid, set up on the casing outer wall be used for to the steam inlet of heating intracavity transport heating steam, set up on the casing outer wall with the condensate export of steam inlet adaptation, be provided with the fuel delivery pump on the casing, the both ends opening part of casing all is provided with the lid, the lid with the equal fixed flange that is provided with of tip of casing, the lid with be provided with between the casing and be used for connecting fixedly the casing with the connecting bolt of lid.

Through adopting above-mentioned technical scheme, when the heat exchange tube was washd to needs, need accomplish the dismantlement with the casing earlier to the lid, the operation as follows: take off connecting bolt on by two flange, can accomplish lid and casing and accomplish the dismantlement, can be convenient for wash the heat exchange tube afterwards and maintain, wash the back that finishes, need install lid and casing, the operation as follows: make lid and casing end wall laminate mutually earlier, pass two flange with connecting bolt again, can accomplish the installation of lid and casing, can carry out normal use afterwards, realize easy dismounting, be convenient for carry out abluent purpose to the heat transfer pipe.

Optionally, a plurality of partition plates are further arranged in the housing, and each partition plate is respectively arranged outside the heating cavity.

Through adopting above-mentioned technical scheme, set up the polylith division board, the circulation time of extension heavy oil in the heat exchange tube, abundant heat transfer.

Optionally, a heat tracing pipe is arranged in the shell, and the heat tracing pipe is arranged outside the heating cavity.

By adopting the technical scheme, the heat tracing pipe is arranged, so that the viscosity of liquid in the heat exchange pipe is prevented from increasing at low temperature, the pressure drop in the pipe is increased, the power is increased, and the energy-saving effect is achieved.

Optionally, a plurality of baffle plates are arranged in the shell, each baffle plate is arranged in the heating cavity, each baffle plate is fixedly connected with the inner wall of the shell, and each baffle plate is uniformly arranged along the length direction of the heating cavity.

Through adopting above-mentioned technical scheme, set up polylith baffling board in the casing, the dwell time of extension heating steam in the heating chamber promotes the heat transfer effect.

Optionally, an anticorrosive layer is arranged on the inner wall of the heat exchange tube.

Through adopting above-mentioned technical scheme, set up the anticorrosive coating on the inner wall of heat exchange tube, strengthen the corrosion resistance of heat exchange tube, prolong the life of heat exchange tube.

Optionally, a guide plate is fixedly arranged on the inner wall of the shell, and the guide plate is arranged at the steam inlet.

By adopting the technical scheme, the heating steam is prevented from directly spraying the heat exchange pipe, and the damage to the heat exchange pipe is reduced.

Optionally, a temperature detector is arranged at the heavy oil inlet.

By adopting the technical scheme, the temperature detector is arranged at the heavy oil inlet, so that the temperature can be monitored at any time, and scaling and coking can be effectively prevented.

Optionally, a manhole is opened on the side wall of the housing.

By adopting the technical scheme, the manhole is arranged, so that a worker can observe the working condition in the heater conveniently.

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

1. when the heat exchange tube needs to be cleaned, the cover body and the shell need to be disassembled firstly, and the operation is as follows: take off connecting bolt on by two flange, can accomplish lid and casing and accomplish and dismantle, can be convenient for wash the maintenance to the heat transfer pipe afterwards, wash the back that finishes, need install lid and casing, the operation as follows: firstly, the cover body is attached to the end wall of the shell, then the connecting bolt penetrates through the two connecting flanges, and the cover body and the shell can be installed;

2. set up the polylith division board, the circulation time of extension heavy oil in the heat-exchanging pipe sets up polylith baffling board in the casing, and the dwell time of extension heating steam in the heating intracavity promotes the heat transfer effect.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a cross-sectional view of the overall structure of an embodiment of the present application;

FIG. 3 is a partial schematic structural view of an embodiment of the present application, illustrating the arrangement of baffles in the casing.

Description of reference numerals:

1. a housing; 2. supporting the saddle; 3. a heat exchange pipe; 4. a heavy oil inlet; 5. a heavy oil outlet; 6. mounting a disc; 7. a heating cavity; 8. a cover body; 9. a steam inlet; 10. a condensate outlet; 11. an oil transfer pump; 12. a connecting flange; 13. a connecting bolt; 14. a partition plate; 15. a heat tracing pipe; 16. a baffle plate; 17. an anticorrosive layer; 18. a baffle; 19. a temperature detector; 20. a manhole; 21. installing a frame; 22. and (7) mounting the plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses heavy oil heater, as shown in fig. 1 and fig. 2, its both ends open-ended casing 1, be provided with the support saddle 2 that is used for supporting casing 1 on casing 1's the outer wall, be provided with the fuel delivery pump 11 on casing 1, casing 1's both ends opening part all is provided with lid 8, lid 8 is provided with flange 12 with casing 1's the equal fixed flange 12 that is provided with in tip, be provided with connecting bolt 13 that is used for being connected fixed casing 1 and lid 8 between lid 8 and the casing 1, when needs wash heat exchange tube 3, need earlier accomplish lid 8 and casing 1 with the lid and dismantle, the operation is as follows: take off connecting bolt 13 by two flange 12 on, can accomplish lid 8 and the dismantlement of casing 1 completion, can be convenient for wash the maintenance to heat transfer pipe 3 afterwards, wash the back that finishes, need install lid 8 and casing 1, the operation as follows: firstly, a cover body 8 is attached to the end wall of a shell 1, then a connecting bolt 13 penetrates through two connecting flanges 12, the installation of the cover body 8 and the shell 1 can be completed, and then the normal use can be carried out, the purposes of convenient disassembly and assembly and convenient cleaning of the heat exchange tubes 3 are realized, a plurality of heat exchange tubes 3 are uniformly arranged in the shell 1, an anti-corrosion layer 17 is arranged on the inner wall of each heat exchange tube 3, the anti-corrosion layer 17 is a 0.5-1mm PTFE layer and can resist almost all common strong corrosion and hydroxide chemical substances, and the shell also has the characteristics of high temperature resistance, non-stick property and self-lubrication, a heavy oil inlet 4 and a heavy oil outlet 5 are arranged on the shell 1, two mounting discs 6 are arranged in the shell 1, the two mounting discs 6 are respectively arranged at the end parts of the two ends of the shell 1, a heating cavity 7 is reserved between the two mounting discs 6, and a plurality of partition plates 14 are also arranged in the shell 1, division board 14 all sets up outside heating chamber 7, each division board 14 sets up respectively in heating chamber 7 both sides, separate the direct current way of heavy oil in the casing 1 for bent runner, the circulation time of extension heavy oil in heat exchange tube 3, abundant heat transfer, heating chamber 7 still is provided with heat tracing pipe 15 outward, heat tracing pipe 15 prevents viscosity increase under the liquid low temperature, increase 1 internal pressure drop of casing, increase power consumption, play energy-conserving effect, prevent that steam from taking the liquid condensation in the casing 1, the tape liquid of steam is two to require under different operating modes, heat tracing pipe 15 can avoid, the terminal surface of each heat exchange tube 3 all flushes with the terminal surface that mounting disc 6 is close to lid 8, set up the steam inlet 9 that is used for carrying heating steam in the heating chamber 7 on the casing 1 outer wall, set up the condensate export 10 with the steam inlet 9 adaptation on the casing 1 outer wall.

As shown in fig. 2 and 3, be provided with polylith baffling board 16 in the casing 1, each baffling board 16 all sets up in the heating chamber 7, each baffling board 16 all with casing 1's inner wall fixed connection, each baffling board 16 evenly sets up along the length direction of heating chamber 7, the dwell time of extension heating steam in the heating chamber 7 promotes the heat transfer effect, fixedly on the casing 1 inner wall being provided with guide plate 18, guide plate 18 sets up steam inlet 9 department avoids heating steam to directly spout heat exchange tube 3, reduces the damage to heat exchange tube 3, and heavy oil entry 4 department still is provided with thermodetector 19, monitors the temperature at any time, effectively prevents scale deposit, coking, has seted up manhole 20 on casing 1's the lateral wall, and the staff of being convenient for observes the behavior in the heater.

Division board 14 includes installing frame 21 and mounting panel 22, is bolted connection between mounting panel 22 and the installing frame 21, and easy dismounting still is provided with the handle on the mounting panel 22, and the staff of being convenient for takes out mounting panel 22 in by casing 1 to change or maintain.

The implementation principle of the heavy oil heater in the embodiment of the application is as follows: heavy oil is introduced into the shell 1 from a heavy oil inlet 4, the heavy oil entering the shell 1 is discharged from a heavy oil outlet 5, heating steam is introduced into the shell 1 from a steam inlet 9, the heat of the heating steam is introduced into the heavy oil through a heat exchange pipe 3, and the heat of the heating steam is conveyed to the heavy oil, cooled and condensed and then discharged from a condensate outlet 10.

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: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A heavy oil heater, characterized by: comprises a shell (1) with two open ends, a supporting saddle (2) is arranged on the outer wall of the shell (1), a plurality of heat exchange tubes (3) are uniformly arranged in the shell (1), a heavy oil inlet (4) and a heavy oil outlet (5) are arranged on the shell (1), two mounting discs (6) are arranged in the shell (1), the two mounting discs (6) are respectively arranged at the end parts of the two ends of the shell (1), a heating cavity (7) is reserved between the two mounting discs (6), the end surface of each heat exchange tube (3) is flush with the end surface of the mounting disc (6) close to the cover body (8), a steam inlet (9) for conveying heating steam into the heating cavity (7) is arranged on the outer wall of the shell (1), a condensate outlet (10) matched with the steam inlet (9) is formed in the outer wall of the shell (1), an oil transfer pump (11) is arranged on the shell (1), the openings at the two ends of the shell (1) are respectively provided with a cover body (8), the end parts of the cover body (8) and the shell body (1) are both fixedly provided with a connecting flange (12), and a connecting bolt (13) used for connecting and fixing the shell (1) and the cover body (8) is arranged between the cover body (8) and the shell (1).

2. The heavy oil heater of claim 1, wherein: still be provided with polylith division board (14) in casing (1), each division board (14) set up respectively outside heating chamber (7).

3. The heavy oil heater of claim 1, wherein: a heat tracing pipe (15) is arranged in the shell (1), and the heat tracing pipe (15) is arranged outside the heating cavity (7).

4. A heavy oil heater according to claim 1, characterized in that: the heating device is characterized in that a plurality of baffle plates (16) are arranged in the shell (1), each baffle plate (16) is arranged in the heating cavity (7), each baffle plate (16) is fixedly connected with the inner wall of the shell (1), and each baffle plate (16) is uniformly arranged along the length direction of the heating cavity (7).

5. The heavy oil heater of claim 1, wherein: and an anticorrosive layer (17) is arranged on the inner wall of the heat exchange tube (3).

6. A heavy oil heater according to claim 1, characterized in that: a guide plate (18) is fixedly arranged on the inner wall of the shell (1), and the guide plate (18) is arranged at the steam inlet (9).

7. A heavy oil heater according to claim 1, characterized in that: and a temperature detector (19) is arranged at the heavy oil inlet (4).

8. A heavy oil heater according to claim 1, characterized in that: a manhole (20) is arranged on the side wall of the shell (1).

Images