CN210922246U - Condensing heat exchanger for petrochemical equipment - Google Patents

Condensing heat exchanger for petrochemical equipment Download PDF

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Publication number
CN210922246U
CN210922246U CN201921836387.9U CN201921836387U CN210922246U CN 210922246 U CN210922246 U CN 210922246U CN 201921836387 U CN201921836387 U CN 201921836387U CN 210922246 U CN210922246 U CN 210922246U
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China
Prior art keywords
heat exchange
heat exchanger
condensing
heat transfer
shell
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CN201921836387.9U
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Chinese (zh)
Inventor
吴浩
王雨
周向晖
杜明
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Fushun Xinhe Petrochemical Equipment Manufacture Co ltd
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Fushun Xinhe Petrochemical Equipment Manufacture Co ltd
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Abstract

The utility model discloses a condensing heat exchanger for petrochemical equipment, including casing and apron, the inside of casing is separated into three heat transfer chamber by three baffle, and the top of casing is through the bottom fixed connection of pin and apron, and the junction of casing both sides top and apron all fixedly is provided with the closing plate, and two closing plates alternate with a plurality of conveyer pipes respectively and are connected, and the one end that the casing was kept away from to a plurality of conveyer pipes is fixed with the one end of two hollow boxes respectively and is communicated, and the other end of two hollow boxes has seted up flue gas inlet and exhanst gas outlet respectively, the utility model discloses a condensing heat exchanger for petrochemical equipment loops through three heat transfer chamber to a plurality of flue gases, carries out the heat transfer through condensing heat transfer liquid, and the velocity of flow of condensing heat transfer liquid is steerable to be adjusted, improves heat; the heat exchanger is simple in structure, the top of the shell is opened by disassembling the cover plate, the heat exchange tube is taken out, and the heat exchanger is convenient to maintain.

Description

Condensing heat exchanger for petrochemical equipment
Technical Field
The utility model relates to a heat exchanger, in particular to condensing heat exchanger for petrochemical equipment belongs to industrial field.
Background
The condensing gas water heater absorbs the waste heat of the flue gas through the condensing heat exchanger, the heat efficiency of the condensing gas water heater is improved by more than 8 percent compared with that of a common gas water heater, and the condensing gas water heater belongs to an energy-saving and environment-friendly product and is favored by more and more consumers.
In order to absorb the waste heat of the flue gas, the condensing heat exchanger is mostly arranged on the outlet side of the high-temperature flue gas, the high-temperature flue gas flows in from the flue gas inlet of the condensing heat exchanger, and is subjected to heat exchange with low-temperature tap water in the condensing heat exchanger, and finally is discharged from the flue gas outlet. Heat exchangers for absorbing the waste heat of flue gas in the market mainly comprise fins, stainless steel corrugated pipes and the like in a spiral mode, but the heat exchangers have the defects of complex structure, complex maintenance and operation, low heat exchange efficiency and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a condensing heat exchanger for petrochemical equipment to there is the problem of structure complicacy, maintenance operation complicacy and the not high grade shortcoming of heat exchange efficiency in the heat exchanger on the market that proposes in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a condensing heat exchanger for petrochemical equipment comprises a shell and a cover plate, wherein the interior of the shell is divided into three heat exchange cavities by three partition plates, the top of the shell is fixedly connected with the bottom of the cover plate through a pin, sealing plates are fixedly arranged at the joints of the tops of the two sides of the shell and the cover plate, two sealing plates are respectively and alternately connected with a plurality of conveying pipes, one ends of the conveying pipes, far away from the shell, are respectively and fixedly communicated with one ends of two hollow boxes, the other ends of the two hollow boxes are respectively provided with a flue gas inlet and a flue gas outlet, the other ends of the conveying pipes are respectively and fixedly communicated with one ends of a plurality of flow dividing pipes, one sides of the flow dividing pipes are respectively and fixedly communicated with the two ends of a plurality of heat exchange pipes, the top of the cover plate is fixedly communicated with three condensed heat exchange liquid inlets, and one end of the shell is fixedly communicated with three condensed heat exchange liquid outlets.
As a preferred technical scheme of the utility model, it is three condensation heat transfer liquid entry communicates with the top in three heat transfer chamber respectively, and is three condensation heat transfer liquid export communicates with the one end of three heat transfer chamber bottom respectively.
As an optimal technical scheme of the utility model, it is three the equal fixed mounting in condensation heat transfer liquid export has the valve.
As an optimal technical scheme of the utility model, it is a plurality of the middle part of conveyer pipe is respectively with the middle part fixed connection of two fixed plates.
As an optimal technical scheme of the utility model, it is three the heat transfer chamber alternates with a plurality of heat exchange tubes respectively and is connected.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a condensing heat exchanger for petrochemical equipment, which is characterized in that each flue gas sequentially passes through three heat exchange cavities, heat exchange is carried out through condensing heat exchange liquid, the flow velocity of the condensing heat exchange liquid can be controlled and adjusted, and the heat exchange efficiency and the heat exchange effect are improved; the heat exchanger is simple in structure, the top of the shell is opened by disassembling the cover plate, the heat exchange tube is taken out, and the heat exchanger is convenient to maintain.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the utility model after two hollow boxes are disassembled;
fig. 3 is a schematic diagram of the internal structure of the present invention.
In the figure: 1. a housing; 2. a cover plate; 3. a hollow box; 4. a flue gas inlet; 5. a flue gas outlet; 6. a condensed heat exchange liquid inlet; 7. a condensed heat exchange liquid outlet; 8. a valve; 9. a delivery pipe; 10. a fixing plate; 11. a sealing plate; 12. a shunt tube; 13. a heat exchange pipe; 14. a partition plate; 15. a heat exchange cavity.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a condensing heat exchanger for petrochemical equipment, comprising a casing 1 and a cover plate 2, wherein the casing 1 is divided into three heat exchange chambers 15 by three partition plates 14, the top of the casing 1 is fixedly connected with the bottom of the cover plate 2 by pins, the cover plate 2 is used for sealing the top of the casing 1, sealing plates 11 are fixedly arranged at the joints of the top of the two sides of the casing 1 and the cover plate 2, the sealing plates 11 prevent the leakage of condensed heat exchange liquid, the two sealing plates 11 are respectively inserted and connected with a plurality of delivery pipes 9, one ends of the delivery pipes 9 far away from the casing 1 are respectively fixedly communicated with one ends of two hollow boxes 3, the other ends of the two hollow boxes 3 are respectively provided with a flue gas inlet 4 and a flue gas outlet 5, the other ends of the delivery pipes 9 are respectively fixedly communicated with one ends of a plurality of shunt pipes 12, one sides of the shunt pipes 12 are respectively, the top of the cover plate 2 is fixedly communicated with three condensed heat-exchange liquid inlets 6, and one end of the shell 1 is fixedly communicated with three condensed heat-exchange liquid outlets 7.
Preferably, the three condensed heat-exchange liquid inlets 6 are respectively communicated with the tops of the three heat-exchange cavities 15, the three condensed heat-exchange liquid outlets 7 are respectively communicated with one ends of the bottoms of the three heat-exchange cavities 15, and the condensed heat-exchange liquid in the three heat-exchange cavities 15 flows; valves 8 are fixedly arranged at the three condensed heat exchange liquid outlets 7, and the heat exchange and discharge speed is controlled; the middle parts of the conveying pipes 9 are respectively and fixedly connected with the middle parts of the two fixing plates 10, and the fixing plates 10 are used for fixing the conveying pipes 9; the three heat exchange cavities 15 are respectively connected with the plurality of heat exchange tubes 13 in a penetrating manner, and the smoke flowing in the plurality of heat exchange tubes 13 sequentially passes through the three heat exchange cavities 15 to exchange heat with the condensed heat exchange liquid.
When specifically using, the utility model relates to a condensing heat exchanger for petrochemical equipment, the flue gas gets into from flue gas entry 4, and shunt to a plurality of conveyer pipes 9 from hollow case 3, get into heat exchange tube 13 through shunt tubes 12 from conveyer pipe 9, the flue gas is in proper order through three heat transfer chamber 15, then rethread shunt tubes 12 and conveyer pipe 9 get into another hollow case 3, discharge from exhanst gas outlet 5 again, the condensation heat transfer liquid gets into three heat transfer chamber 15 respectively from three condensation heat transfer liquid entry 6, carry out the condensation heat transfer with the flue gas of heat exchange tube 13, the condensation heat transfer liquid after the heat transfer is discharged from three condensation heat transfer liquid export 7 respectively, adjust the also discharge velocity of heat transfer through valve 8 control.
In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The condensing heat exchanger for petrochemical equipment comprises a shell (1) and a cover plate (2), and is characterized in that the inside of the shell (1) is separated into three heat exchange cavities (15) by three partition plates (14), the top of the shell (1) is fixedly connected with the bottom of the cover plate (2) through pins, sealing plates (11) are fixedly arranged at the joints of the tops of the two sides of the shell (1) and the cover plate (2), the two sealing plates (11) are respectively and alternately connected with a plurality of conveying pipes (9), one ends, far away from the shell (1), of the conveying pipes (9) are respectively and fixedly communicated with one ends of two hollow boxes (3), the other ends of the two hollow boxes (3) are respectively provided with a flue gas inlet (4) and a flue gas outlet (5), and the other ends of the conveying pipes (9) are respectively and fixedly communicated with one ends of a plurality of shunt pipes (12), one side of a plurality of shunt tubes (12) is respectively fixed with the both ends of a plurality of heat exchange tubes (13) and communicates, the fixed intercommunication in top of apron (2) has three condensation heat transfer liquid entry (6), the fixed intercommunication in one end of casing (1) has three condensation heat transfer liquid export (7).
2. A condensing heat exchanger for petrochemical plants according to claim 1, wherein: the three condensed heat exchange liquid inlets (6) are respectively communicated with the tops of the three heat exchange cavities (15), and the three condensed heat exchange liquid outlets (7) are respectively communicated with one ends of the bottoms of the three heat exchange cavities (15).
3. A condensing heat exchanger for petrochemical plants according to claim 1, wherein: and valves (8) are fixedly arranged at the three condensed heat exchange liquid outlets (7).
4. A condensing heat exchanger for petrochemical plants according to claim 1, wherein: the middle parts of the conveying pipes (9) are respectively fixedly connected with the middle parts of the two fixing plates (10).
5. A condensing heat exchanger for petrochemical plants according to claim 1, wherein: the three heat exchange cavities (15) are respectively connected with the plurality of heat exchange tubes (13) in a penetrating manner.
CN201921836387.9U 2019-10-29 2019-10-29 Condensing heat exchanger for petrochemical equipment Active CN210922246U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921836387.9U CN210922246U (en) 2019-10-29 2019-10-29 Condensing heat exchanger for petrochemical equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921836387.9U CN210922246U (en) 2019-10-29 2019-10-29 Condensing heat exchanger for petrochemical equipment

Publications (1)

Publication Number Publication Date
CN210922246U true CN210922246U (en) 2020-07-03

Family

ID=71352202

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921836387.9U Active CN210922246U (en) 2019-10-29 2019-10-29 Condensing heat exchanger for petrochemical equipment

Country Status (1)

Country Link
CN (1) CN210922246U (en)

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