CN219454771U - Special heat exchanger for recycling waste heat of mixed juice of sugar refinery - Google Patents
Special heat exchanger for recycling waste heat of mixed juice of sugar refinery Download PDFInfo
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- CN219454771U CN219454771U CN202320102763.1U CN202320102763U CN219454771U CN 219454771 U CN219454771 U CN 219454771U CN 202320102763 U CN202320102763 U CN 202320102763U CN 219454771 U CN219454771 U CN 219454771U
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Abstract
The utility model provides a heat exchanger special for waste heat recovery of mixed juice in a sugar refinery, which comprises a body, wherein an upper cover capable of being opened and closed is arranged on the body, a lower cover capable of being opened and closed is arranged on the lower surface, and a plurality of heating pipes for flowing the mixed juice are arranged in the body and are communicated with the upper cover and the lower cover; a plurality of vertical body partition boards are arranged in the body, and adjacent body partition boards enclose a heating space; and part of the separator body is provided with a heat source flow port, so that a heat source enters from the heat source inlet, directionally passes through the heat source channel and is finally discharged through the heat source outlet. The utility model can effectively utilize the low-heat-value heat sources such as hot water and last-effect juice steam discharged by sugar factories to heat the mixed juice in advance, thereby achieving the purposes of fully recycling waste heat, reducing energy consumption and improving comprehensive benefits.
Description
Technical Field
The utility model relates to the technical field of energy conservation of sugar manufacturing equipment, in particular to a heat exchanger special for waste heat recovery of mixed juice in a sugar refinery.
Background
At present, the mixed juice heating of sugar factories uses boiler steam or high-efficiency juice steam as a heat source, so that the heat efficiency is low and the energy consumption is high.
There are three types of waste heat generated in the sugar refinery production process: the first is the waste heat of flue gas discharged to the atmosphere by boiler combustion, the second is the waste heat of surplus hot water in the production process, and the third is the waste heat taken away by juice steam generated by evaporation end effect. However, these three types of waste heat, particularly the second and third types of waste heat, are not always effectively recycled in the sugar refinery production process.
In the production of sucrose, the mixed juice is heated and then enters the next clarification treatment process, so that the waste heat generated in the production process of a sugar refinery can be fully utilized by heating the mixed juice in order to fully recover the heat source and reduce the consumption of high-quality heat sources. The patent of CN103642947, in a system and a process for heating mixed juice by utilizing V-effect juice steam in a sugar refinery, provides a system for heating mixed juice by utilizing V-effect juice steam in a sugar refinery, which comprises six heaters, wherein mixed juice pipelines are arranged in the heaters, heat sources in the heater steam drums are used for heating the mixed juice in the mixed juice pipelines in an isolated manner, the mixed juice pipelines of the six heaters are mutually connected in series through a spectacle valve on each heater and a connecting pipeline between adjacent heaters, each heater is provided with an inlet and an outlet of the heat source, a vacuum pipeline is arranged in each heater 1#, 2#, 5# and 6# of the six heaters to vacuumize the heater steam drums, the heat sources of the heater 1#, 2# and 5# and 6# heaters are V-effect juice steam, and the heat sources of the heater 3# and the heater 4# are hot water. The system uses V-effect juice steam and III, IV and V-effect condensed water as heat sources to heat mixed juice once, so that V-effect juice steam discharged by general sugar factories as waste juice steam can be fully utilized, however, the V-effect juice steam, III, IV and V-effect condensed water and the mixed juice are respectively subjected to heat exchange in a space, the problem of insufficient heat exchange exists, the heat of the juice steam and the condensed water cannot be fully utilized in each heater, and the system needs to use 6 heaters, so that the occupied area is large and the control is more complex.
Disclosure of Invention
The utility model provides a special heat exchanger for waste heat recovery of mixed juice in a sugar refinery, which can effectively utilize low-heat-value heat sources such as hot water discharged by the sugar refinery, last-effect juice steam and the like to heat the mixed juice in advance, so as to achieve the purposes of fully recycling waste heat, reducing energy consumption and improving comprehensive benefits.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the heat exchanger special for waste heat recovery of mixed juice in a sugar refinery comprises a body, wherein a sealed upper space partition plate is arranged on the top surface of the body, a sealed lower space partition plate is arranged on the bottom surface of the body, an openable upper cover is arranged on the upper surface of the body, an openable lower cover is arranged on the lower surface of the body, a plurality of heating pipes for flowing mixed juice are arranged in the body, and the upper ends and the lower ends of the heating pipes respectively penetrate through the upper space partition plate and the lower space partition plate and are communicated with the upper cover and the lower cover; characterized by further comprising:
a plurality of vertical body partition boards are arranged in the body, and adjacent body partition boards enclose a heating space;
and part of the separator body is provided with a heat source flow port, so that a heat source enters from the heat source inlet, directionally passes through the heat source channel and is finally discharged through the heat source outlet.
Preferably, a heating pipe is arranged in each heating space;
a heating space communicated with the heat source inlet, wherein one side of the body partition plate is closed, and the other side of the body partition plate in the heat source outflow direction is provided with a heat source flow port at the upper part or the lower part; a heating space communicated with the heat source outlet, wherein a heat source flow port is arranged at the upper part or the lower part of the separator plate at one side of the heat source inflow direction, and the separator plate at the other side is closed; the heating space which is not communicated with the heat source inlet and the heat source outlet is provided with a heat source flow port at the upper part or the lower part of the body partition plate at one side into which the heat source flows, and the body partition plate at the other side from which the heat source flows is provided with a heat source flow port at the lower part or the upper part correspondingly so as to form a heat source channel which flows up and down.
More preferably, the heating space communicating with the heat source inlet is adjacent to the heating space communicating with the heat source outlet, and the heat source passage extends circumferentially along the inner peripheral side of the body.
More preferably, the heating space not communicating with the heat source inlet and the heat source outlet is closed by the body partition on the heat source inflow side and the body partition on the heat source outflow side.
Preferably, a plurality of vertical upper cover partition boards are arranged in the upper cover, the lower parts of the upper cover partition boards are attached to the inner wall of the upper space partition boards, and the upper parts of the upper cover partition boards are attached to the inner wall of the upper cover or an upper guide opening is reserved;
adjacent upper cover partition plates enclose an upper cover diversion space, the upper cover diversion space comprises a first upper cover diversion space and a second upper cover diversion space, mixed juice enters from a heating pipe and flows towards an upward diversion opening in the first upper cover diversion space, mixed juice flows from the first upper cover diversion space into the second upper cover diversion space through the upper diversion opening and downwards flows into the heating pipe, and the first upper cover diversion space and the second upper cover diversion space are alternately arranged;
a plurality of vertical lower cover partition boards are arranged in the lower cover, the upper parts of the lower cover partition boards are attached to the inner wall of the lower space partition boards, and the lower parts of the lower cover partition boards are attached to the inner wall of the lower cover or a lower diversion port is reserved;
the adjacent lower cover partition plates enclose a lower cover diversion space, the lower cover diversion space comprises a first lower cover diversion space and a second lower cover diversion space, in the first lower cover diversion space, mixed juice enters from the heating pipe and flows towards the lower diversion opening, in the second lower cover diversion space, mixed juice flows from the first lower cover diversion space through the lower diversion opening and flows upwards into the heating pipe, and the first lower cover diversion space and the second lower cover diversion space are alternately arranged;
and a second lower cover diversion space is correspondingly arranged below the first upper cover diversion space.
More preferably, a glue groove is formed in the position where the upper cover partition board is attached to the upper space partition board or the upper cover, and a glue strip is arranged in the glue groove and can be matched and sealed with the position where the upper cover partition board or the upper cover is attached to the upper space partition board;
the lower cover partition board is provided with a glue groove at the position where the lower cover partition board is attached to the lower space partition board or the lower cover, and glue strips are arranged in the glue groove and can be matched with the position where the lower cover partition board is attached to the lower space partition board or the lower cover to seal the position where the lower cover partition board is attached to the lower space partition board.
Preferably, the body partition plates are arranged radially or transversely and longitudinally in a crossed manner.
Preferably, the body partition plate comprises a first body partition plate, a second body partition plate and a third body partition plate which are vertically arranged, the upper part of the first body partition plate is attached to the upper space partition plate, and a space is reserved between the lower part of the first body partition plate and the lower space partition plate or a through groove is formed between the lower part of the first body partition plate and the lower space partition plate to serve as a heat source flow port; a space is reserved between the upper part of the second body partition plate and the upper space partition plate or a through groove is formed between the upper part of the second body partition plate and the upper space partition plate to serve as a heat source flow port, and the lower part of the second body partition plate is attached to the lower space partition plate; the upper part and the lower part of the third body partition board are respectively attached to the upper space partition board and the lower space partition board to form a seal.
Preferably, the upper cover diversion space, the lower cover diversion space and the heating space correspond to each other in position.
The heat source flow direction and the mixed juice flow direction form concurrent flow or countercurrent flow.
Preferably, the heating pipes are uniformly distributed in a diamond shape.
The heat exchanger special for recovering waste heat of mixed juice in sugar refinery adopts waste heat produced in the production process of sugar refinery as heat source, which can be hot water or last juice steam, to preheat the mixed juice, in the heater, the mixed juice enters from the mixed juice inlet, flows between the heating pipe, the upper space partition board and the upper cover, and between the lower space partition board and the lower cover, and flows out from the mixed juice outlet after heating is completed, which is called tube side in industry; and the heat source enters from the heat source inlet and flows in the body, and the industry is called shell side.
The device body partition boards are arranged in the device body, the adjacent device body partition boards enclose a heating space, and the device body partition boards are provided with heat source flow openings, so that the shell passes are divided into multiple shell passes, namely one heating space corresponds to one shell pass, and directional heat source channels aiming at heat sources are arranged, so that the heat source flow can be uniformly distributed on the contact surfaces of all heat exchange tubes without dead angles, and the heat exchange area is increased.
For the upper cover, be provided with the upper cover baffle to enclose into a plurality of upper cover water conservancy diversion spaces, to the lower cover, be provided with the lower cover baffle, enclose into a plurality of lower cover water conservancy diversion spaces, and then also separate into multitube journey with the tube side of heater, so, combine the heat source and the tube side of shell side in mixing juice and adopt the concurrent flow or countercurrent mode, can reach high-efficient heat transfer effect to reduce the energy consumption, improve the comprehensive benefits.
The utility model further provides a glue groove at the position where the upper cover partition plate is attached to the upper cover and the upper space partition plate, and the position where the lower cover partition plate is attached to the lower cover and the lower space partition plate, and the glue groove is placed for sealing, so that series flow of mixed juice can be prevented, and ordered and sufficient heat exchange can be achieved.
The heat exchanger special for waste heat recovery of the mixed juice in the sugar refinery can utilize low-heat-value hot water or last-effect juice steam to perform efficient heat exchange on the mixed juice, improve the temperature of the mixed juice, reduce the consumption of steam and achieve the effect of energy conservation.
Drawings
Fig. 1 is a schematic view of the front view of the present utility model (the left side of the body shows the inner body separator and the right side shows the inner heating tube).
Fig. 2 is a schematic front view of the upper and lower covers of the present utility model in an opened state.
FIG. 3 is a schematic view of the structure of the upper cover diversion space arrangement and the heating pipe arrangement according to an embodiment of the present utility model.
Fig. 4 is a schematic structural view of a diversion space arrangement of an upper cover according to an embodiment of the present utility model.
Fig. 5 is a schematic structural view of a body heating space arrangement according to an embodiment of the present utility model.
Fig. 6 is a schematic structural view of a top cover diversion space arrangement and a heating pipe arrangement according to another embodiment of the present utility model.
Fig. 7 is a schematic structural view of a diversion space arrangement of an upper cover according to another embodiment of the present utility model.
Fig. 8 is a schematic structural view of a body heating space arrangement of another embodiment of the present embodiment.
In the figure, an upper cover 1, a first upper cover diversion space 101, a second upper cover diversion space 102, an upper space partition plate 2, a mixed juice outlet 3, a heat source inlet 4, a body partition plate 5, a first body partition plate 501, a second body partition plate 502, a third body partition plate 503, a body 6, a lower space partition plate 7, a lower cover 8, a heating pipe 9, a mixed juice inlet 10, a heat source outlet 11, an upper cover partition plate 12, a first upper cover partition plate 1201 and a second upper cover partition plate 1202 are shown.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that, the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore, should not be construed as limiting the present utility model.
In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
Example 1
1-2, the special heat exchanger for recycling waste heat of mixed juice in a sugar refinery comprises a machine body 6, wherein the top surface of the machine body 6 is provided with a sealed upper space baffle plate 2, the bottom surface is provided with a sealed lower space baffle plate 7, the upper surface is provided with an openable upper cover 1, the lower surface is provided with an openable lower cover 8, a plurality of heating pipes 9 for flowing mixed juice are arranged in the lower surface, and the upper ends and the lower ends of the heating pipes 9 respectively penetrate through the upper space baffle plate 2 and the lower space baffle plate 7 and are communicated with the upper cover 1 and the lower cover 8; the upper and lower space baffles 2, 7 are provided with through holes for receiving heating pipes 9 therethrough, and for the upper space baffle 2 described herein, the mixed juice can only enter the upper cover 1 through the heating pipes 9, and also enter the heating pipes 9 from the upper cover 1 without flowing from the upper cover 1 into the body 6, while the heat source flows in the body 6 without entering the upper cover 1, and for the lower space baffle 7, the same is true. The special heat exchanger further comprises: the inside of the body is provided with a plurality of vertical body partition boards 5, and the adjacent body partition boards 5 enclose a heating space, of course, the upper space partition boards 2 and the lower space partition boards 7 are fixed on the upper surface and the lower surface of the body 6, which help the body partition boards 5 to enclose the heating space together, and also help the body partition boards 5 to be fixed; the body partition 5 is provided with a heat source flow port, so that a heat source enters from the heat source inlet 4, directionally passes through the heat source channel and is finally discharged through the heat source outlet 11, the heat source flow port plays a role of drainage, the body partition 5 divides the body 6 into multiple shell passes, and the heat source can flow in the multiple shell passes through the heat source flow port instead of heat exchange in only one large space, so that the heat of the heat source is gradually absorbed, and the heat exchange is more sufficient.
The embodiment provides a more preferable structure, wherein a heating pipe 9 is arranged in each heating space, so that the heat source can transfer heat to the mixed juice in each heating space; a heating space communicating with the heat source inlet 4, one side body partition 5 being closed to prevent the heat source from flowing out of the heating space, the other side body partition 5 in the heat source outflow direction being provided with a heat source flow port at an upper portion or a lower portion so that the heat source can flow toward the next heating space; a heating space communicated with the heat source outlet 11, wherein a heat source flow port is arranged at the upper part or the lower part of one side of the body partition plate 5 in the heat source inflow direction, and the other side of the body partition plate 5 is closed, so that the heat source which has undergone sufficient heat exchange can be directionally discharged from the heat source outlet 11; the heating space which is not communicated with the heat source inlet 4 and the heat source outlet 11 is provided with a heat source flow port at the upper part or the lower part, the other side of the body partition 5 which flows out of the heat source is provided with a heat source flow port at the lower part or the upper part correspondingly to form a heat source channel which flows up and down, namely, if the heat source enters into one heating space from the lower part of the body partition 5 at one side, the heat source flows out from the upper part of the body partition 5 at the other side, and if the heat source enters into one heating space from the upper part of the body partition 5 at one side, the heat source flows out from the lower part of the body partition 5 at the other side, so that the flow stroke of the heat source can be prolonged, and the heat can be more fully utilized.
More preferably, the heating space communicated with the heat source inlet 4 and the heating space communicated with the heat source outlet 11 are adjacent, namely, a closed body partition 5 can be shared, the upper part and the lower part of the body partition 5 are closely attached or closely combined with the upper space partition 2 and the lower space partition 7 respectively, and the heat source channel extends along the circumferential direction of the inner circumference side of the body in combination with the up-down alternate drainage of other body partitions 5, so that the whole space of the body 6 is fully utilized. In the following, a specific layout manner of the body partition plates 5 is listed, as shown in fig. 5, the body partition plates 5 are radially arranged, that is, the heating space is in a fan shape, preferably, the body partition plates 5 include a first body partition plate 501, a second body partition plate 502 and a third body partition plate 503 which are vertically arranged, the upper part of the first body partition plate 501 is attached to the upper space partition plate 2, and a space is reserved between the lower part and the lower space partition plate 7 or a through slot is reserved as a heat source fluid port; a space is reserved between the upper part of the second body partition 502 and the upper space partition 2 or a through groove is formed as a heat source flow port, and the lower part is attached to the lower space partition 7; the upper and lower parts of the third body partition 503 are respectively attached to the upper space partition 2 and the lower space partition 7 to form a seal, the third body partition 503 is disposed between the heat source inlet 4 and the heat source outlet 11, and the first body partition 501 and the second body partition 502 are alternately disposed except for the third body partition 503 to realize the heat source to flow up and down alternately along the circumference of the body 6, and in fig. 5, the heat source inlet 4-left heating space (heat source flows out from the lower part) -front middle heating space (heat source flows out from the upper part) -right heating space (heat source flows out from the lower part) -rear middle heating space (heat source flows out from the upper part) -rear left heating space-heat source outlet 11 is shown, so that the heat source has a longer stroke, and the space of the body 6 and the heat source heat are fully utilized. In addition, the manner of attaching the sealing member to the container is described herein, and the sealing member may be attached to the container, or may be tightly connected to the container by various means, such as plugging, bolting, or the like.
Preferably, in order to fully utilize heat energy, the embodiment also provides a multi-tube side arrangement structure, and as shown in fig. 3 and 4, a plurality of vertical upper cover partition boards 12 are arranged in the upper cover, the lower part of the upper cover partition boards 12 is attached to the inner wall of the upper space partition board 2, and the upper part is attached to the inner wall of the upper cover or an upper guide port is reserved; adjacent upper cover partition plates 12 enclose an upper cover diversion space, the upper cover diversion space comprises a first upper cover diversion space 101 and a second upper cover diversion space 102, mixed juice enters from a heating pipe 9 and flows towards an upward diversion port in the first upper cover diversion space 101, mixed juice flows from the first upper cover diversion space 101 into the second upper cover diversion space 102 through the upper diversion port and downwards flows into the heating pipe 9, and the first upper cover diversion space 101 and the second upper cover diversion space 102 are alternately arranged; the lower cover is internally provided with a plurality of vertical lower cover partition boards, the upper part of the lower cover partition boards is attached to the inner wall of the lower space partition board 7, and the lower part of the lower cover partition boards is attached to the inner wall of the lower cover or a lower diversion port is reserved; adjacent lower cover baffles enclose a lower cover diversion space, the lower cover diversion space comprises a first lower cover diversion space and a second lower cover diversion space, mixed juice enters from the heating pipe 9 and flows towards the downward diversion opening in the first lower cover diversion space, mixed juice flows from the first lower cover diversion space into the heating pipe 9 through the downward diversion opening and upwards, and the first lower cover diversion space and the second lower cover diversion space are alternately arranged; the second lower cover diversion space is correspondingly arranged below the first upper cover diversion space 101, and the first lower cover diversion space is correspondingly arranged below the second upper cover diversion space. The principle of tube side is similar to that of shell side, if the mixed juice enters the first lower cover diversion space from the heating tube 9, the mixed juice flows into the second lower cover diversion space from the lower diversion opening, then enters the first upper cover diversion space 101 above the mixed juice through the heating tube 9, then enters the second upper cover diversion space 102 through the upper diversion opening, and flows into the heating tube 9, the mixed juice flows between the upper cover 1 and the lower cover 8 alternately up and down and along the circumferential direction, so that the flow stroke of the mixed juice is prolonged, and the heat of the heat exchanger absorbed by the mixed juice is more fully utilized. The upper cover partition 12 and the lower cover partition are attached to each other, and the attaching manner may be attaching to each other, or may be a tight connection in various manners, such as plugging, etc., so that sealing is achieved.
The specific arrangement mode of the upper cover partition plate 12 is listed below, as shown in fig. 3 and 4, the upper cover partition plate 12 is arranged radially, that is, the first upper cover guide space 101 and the second upper cover guide space 102 are fan-shaped, the fan-shaped space shown in the front left side is shown in the first embodiment, the lower cover 8 is introduced first after the mixed juice enters, therefore, no upper guide opening is left on the upper cover partition plate 12 on both sides, the mixed juice enters the front right fan-shaped space (the second upper cover guide space 102) through the upper guide opening, namely, the first upper cover guide space 101 and the second upper cover guide space 102 are alternately arranged, after the mixed juice flows back through the lower cover, the first upper cover guide space 101 and the second upper cover guide space 102 are respectively, the fan-shaped space (the second upper cover guide space 102) in the rear middle is in an alternating arrangement mode, the mixed juice ends when finally flows out from the mixed juice outlet 3, the mixed juice does not enter the upper cover 1 through the front middle fan-shaped space (the first upper cover guide space 101), the upper cover is also arranged on both sides, the upper cover partition plate 1 is also arranged on the second upper cover partition plate 1201, the upper cover partition plate is arranged on both sides, the upper cover partition plate 1 is arranged on the side, and the upper cover partition plate is arranged on the side of the upper cover side, and the upper cover partition plate is in a solid line, thereby, the upper cover is arranged on the upper cover side is formed by the upper cover side, and the upper cover partition plate is formed by the upper cover is arranged on the upper cover, and is directly, and the upper cover is directly on the upper cover is directly and is arranged on the upper cover partition plate, and is directly on the upper cover partition plate, and is arranged.
More preferably, a glue groove is arranged at the position where the upper cover partition plate 12 is attached to the upper space partition plate 2 or the upper cover 1, and a glue strip is arranged in the glue groove, so that the position where the upper cover partition plate 12 is attached to the upper space partition plate 2 or the upper cover 1 can be matched and sealed. The lower cover partition board is provided with a glue groove at the position where the lower cover partition board is attached to the lower space partition board 7 or the lower cover 8, and glue strips are arranged in the glue groove and can be matched to seal the position where the lower cover partition board 7 or the lower cover 8 is attached to. The adhesive tape is placed for sealing, so that series flow of mixed juice can be prevented, and ordered and sufficient heat exchange is achieved.
Preferably, the upper cover diversion space, the lower cover diversion space and the heating space are corresponding in position, so that the shell side and the tube side are matched, and the heat exchange effect is better achieved.
Preferably, the flow direction of the heat source and the flow direction of the mixed juice form forward flow or backward flow, if forward flow is adopted, the heat source inlet 4 and the mixed juice inlet 10 are close, the heat source outlet 11 is close to the mixed juice outlet 3, and the heat source inlet 4 and the heat source outlet 11 are in adjacent shell passes for lengthening the travel; if the heat source inlet 4 and the mixed juice outlet 3 are close to each other, the heat source outlet 11 and the mixed juice inlet 10 are close to each other, and if the stroke is extended, the heat source inlet 4 and the heat source outlet 11 are also in adjacent shell passes. Thus, the heat of the heat source can be utilized more fully, and the countercurrent is optimal.
Preferably, the heating pipes 9 are uniformly distributed in a diamond shape, so that the heating pipes 9 can be compactly arranged, space is not wasted, channels among the heating pipes 9 are uniform, and dead angles are few.
Example 2
Embodiment 2 is substantially similar to embodiment 1, but provides a different arrangement of the body partition 5, and a different arrangement of the upper and lower cover partitions 12, 12.
A heating space communicating with the heat source inlet 4, one side body partition 5 being closed to prevent the heat source from flowing out of the heating space, the other side body partition 5 in the heat source outflow direction being provided with a heat source flow port at an upper portion or a lower portion so that the heat source can flow toward the next heating space; a heating space communicated with the heat source outlet 11, wherein a heat source flow port is arranged at the upper part or the lower part of one side of the body partition plate 5 in the heat source inflow direction, and the other side of the body partition plate 5 is closed, so that the heat source which has undergone sufficient heat exchange can be directionally discharged from the heat source outlet 11; a heating space which is not communicated with the heat source inlet 4 and the heat source outlet 11, wherein a heat source flow port is arranged on the upper part or the lower part of the body partition plate 5 on one side of the heat source inflow, a heat source flow port is arranged on the lower part or the upper part of the body partition plate 5 on the other side of the heat source outflow, so that a heat source channel which flows up and down is formed, the heat source flow is realized, the body partition plate 5 on one side of the heat source inflow and the body partition plate 5 on one side of the heat source outflow are both closed, and the other body partition plates 5 can directionally flow; that is, if the heat source enters into one heating space from the lower part of one body partition 5, it flows out from the upper part of the other body partition 5, and if the heat source enters into one heating space from the upper part of one body partition 5, it flows out from the lower part of the other body partition 5, but does not flow out from the other body partition 5, so that the series flow phenomenon is avoided, and the flow stroke of the heat source can be lengthened, so that the heat is more fully utilized.
The heating space communicated with the heat source inlet 4 and the heating space communicated with the heat source outlet 11 are adjacent, a closed body partition board 5 can be shared, the upper part and the lower part of the body partition board 5 are respectively closely attached to or combined with the upper space partition board 2 and the lower space partition board 7, and the heat source channel extends along the circumferential direction of the inner circumference side of the body by combining the upper alternate drainage of the other body partition boards 5, so that the whole space of the body 6 is fully utilized. In the following, a specific layout manner of the body partition 5 is listed, as shown in fig. 8, the body partition 5 is arranged transversely and longitudinally in a crossed manner, preferably, the body partition 5 includes a first body partition 501, a second body partition 502 and a third body partition 503 which are vertically arranged, the upper portion of the first body partition 501 is attached to the upper space partition 2, and a space is reserved between the lower portion and the lower space partition 7 or a through slot is reserved as a heat source fluid port; a space is reserved between the upper part of the second body partition 502 and the upper space partition 2 or a through groove is formed as a heat source flow port, and the lower part is attached to the lower space partition 7; the upper and lower parts of the third body partition 503 are respectively attached to the upper space partition 2 and the lower space partition 7 to form a seal, the third body partition 503 is disposed between the heat source inlet 4 and the heat source outlet 11, the first body partition 501 and the second body partition 502 are alternately disposed along the direction of the heat source flow, so as to realize the heat source flow alternately up and down along the circumferential side of the body 6, and for the front, middle and front and rear heating spaces, in order to ensure the directional flow of the heat source, the third body partition 503 is still disposed in the middle to separate so as to prevent the heat source flow between the front, middle and front and rear heating spaces, specifically, except for the heating space communicated with the heat source inlet 4 and the heating space communicated with the heat source outlet 11, other heating spaces, at most, a first body partition 501 and a second body partition 502 are disposed, the other side edges are enclosed by the body 6 or the body 6 and the third body partition 503, and the first body partition 501 and the second body partition 502 can play a role of drainage. The arrangement of the body partition 5 allows the heat source to have a longer stroke, as shown in fig. 8, the heat source inlet 4-left heating space (heat source flows out from the lower portion) -front middle heating space (heat source flows out from the upper portion) -front right heating space (heat source flows out from the lower portion) -rear right heating space (heat source flows out from the upper portion) -rear middle heating space (heat source flows out from the lower portion) -rear left heating space-heat source outlet 11, which makes full use of the space of the body 6 and the heat of the heat source. In addition, the manner of attaching the sealing member to the container is described herein, and the sealing member may be attached to the container, or may be tightly connected to the container by various means, such as plugging, bolting, or the like.
As shown in fig. 6 and 7, a plurality of vertical upper cover partition plates 12 are arranged in the upper cover, the lower part of the upper cover partition plates 12 is attached to the inner wall of the upper space partition plate 2, and the upper part is attached to the inner wall of the upper cover or an upper diversion port is reserved; adjacent upper cover partition plates 12 enclose an upper cover diversion space, the upper cover diversion space comprises a first upper cover diversion space 101 and a second upper cover diversion space 102, mixed juice enters from a heating pipe 9 and flows towards an upward diversion port in the first upper cover diversion space 101, mixed juice flows from the first upper cover diversion space 101 into the second upper cover diversion space 102 through the upper diversion port and downwards flows into the heating pipe 9, and the first upper cover diversion space 101 and the second upper cover diversion space 102 are alternately arranged; the lower cover is internally provided with a plurality of vertical lower cover partition boards, the upper part of the lower cover partition boards is attached to the inner wall of the lower space partition board 7, and the lower part of the lower cover partition boards is attached to the inner wall of the lower cover or a lower diversion port is reserved; adjacent lower cover baffles enclose a lower cover diversion space, the lower cover diversion space comprises a first lower cover diversion space and a second lower cover diversion space, mixed juice enters from the heating pipe 9 and flows towards the downward diversion opening in the first lower cover diversion space, mixed juice flows from the first lower cover diversion space into the heating pipe 9 through the downward diversion opening and upwards, and the first lower cover diversion space and the second lower cover diversion space are alternately arranged; the second lower cover diversion space is correspondingly arranged below the first upper cover diversion space 101, and the first lower cover diversion space is correspondingly arranged below the second upper cover diversion space. The principle of tube side is similar to that of shell side, if the mixed juice enters the first lower cover diversion space from the heating tube 9, then flows into the second lower cover diversion space from the lower diversion port, then enters the first upper cover diversion space 101 above the mixed juice through the heating tube 9, then enters the second upper cover diversion space 102 through the upper diversion port, and flows into the heating tube, the structure is that the mixed juice flows between the upper cover 1 and the lower cover 8 alternately up and down and along the circumferential direction, so that the flow stroke of the mixed juice is prolonged, and the heat of the heat exchanger absorbed by the mixed juice is more fully utilized. The upper cover partition 12 and the lower cover partition are attached to each other, and the attaching manner may be attaching to each other, or may be a tight connection in various manners, such as plugging, etc., so that sealing is achieved, but fastening by a fastener is not added.
In the following, a specific layout manner of the upper cover partition 12 is listed, as shown in fig. 5 and 6, the upper cover partition 12 is arranged transversely and longitudinally in a cross manner, and in the space shown in the front left side, the embodiment shows that the mixed juice is introduced into the lower cover 8 first after entering, therefore, no upper diversion port is left on the upper cover partition 12 on both sides, the mixed juice enters into the mixed juice through the front middle fan-shaped space (the first upper cover diversion space 101), the mixed juice enters into the front right fan-shaped space (the second upper cover diversion space 102) through the upper diversion port, namely, the first upper cover diversion space 101 and the second upper cover diversion space 102 are alternately arranged, after the mixed juice flows back through the lower cover, the mixed juice enters into the rear right space (the first upper cover diversion space 101) and flows into the rear middle space (the second upper cover diversion space 102), the alternately arranged structure is finished when the mixed juice finally flows out from the mixed juice outlet 3, in this embodiment, the mixed juice does not enter the upper cover 1 when flowing out from the mixed juice outlet 3, therefore, the upper cover partition plates 12 on both sides are not provided with upper diversion openings, thus, the black thick solid line is a first upper cover partition plate 1201, the upper part and the lower part of which are respectively attached to the upper cover 1 and the upper space partition plate 2, the two thin solid lines are side by side and are second upper cover partition plates 1202, the upper part of which is provided with upper diversion openings, the lower part of which is attached to the upper space partition plate 2, one side of the upper cover partition plates shared by the first upper cover diversion space 101 and the second upper cover diversion space 102 is the second upper cover partition plate 1202, the upper diversion openings are arranged, the other side of the upper cover partition plates 1201 are the first upper cover diversion spaces, and at most one second upper cover partition plate 1202 is arranged except the space corresponding to the positions of the mixed juice inlet 10 and the mixed juice outlet 3, the other side edges are enclosed and protected by the upper cover 1 or the upper cover 1 and the first upper cover partition 1201 or the first upper cover partition 1201, the second upper cover partition 1202 can play a role of drainage, and the lower cover partition is also transversely and longitudinally arranged in a crossed manner, so that the lower cover partition is arranged according to the above-mentioned deducing principle.
Claims (10)
1. The heat exchanger special for waste heat recovery of mixed juice in a sugar refinery comprises a body, wherein a sealed upper space partition plate is arranged on the top surface of the body, a sealed lower space partition plate is arranged on the bottom surface of the body, an openable upper cover is arranged on the upper surface of the body, an openable lower cover is arranged on the lower surface of the body, a plurality of heating pipes for flowing mixed juice are arranged in the body, and the upper ends and the lower ends of the heating pipes respectively penetrate through the upper space partition plate and the lower space partition plate and are communicated with the upper cover and the lower cover; characterized by further comprising:
a plurality of vertical body partition boards are arranged in the body, and adjacent body partition boards enclose a heating space;
and part of the separator body is provided with a heat source flow port, so that a heat source enters from the heat source inlet, directionally passes through the heat source channel and is finally discharged through the heat source outlet.
2. The heat exchanger special for waste heat recovery of mixed juice in sugar refinery according to claim 1, wherein:
a heating pipe is arranged in each heating space;
a heating space communicated with the heat source inlet, wherein one side of the body partition plate is closed, and the other side of the body partition plate in the heat source outflow direction is provided with a heat source flow port at the upper part or the lower part; a heating space communicated with the heat source outlet, wherein a heat source flow port is arranged at the upper part or the lower part of the separator plate at one side of the heat source inflow direction, and the separator plate at the other side is closed; the heating space which is not communicated with the heat source inlet and the heat source outlet is provided with a heat source flow port at the upper part or the lower part of the body partition plate at one side into which the heat source flows, and the body partition plate at the other side from which the heat source flows is provided with a heat source flow port at the lower part or the upper part correspondingly so as to form a heat source channel which flows up and down.
3. The heat exchanger special for waste heat recovery of mixed juice in sugar refinery according to claim 2, wherein:
the heating space communicated with the heat source inlet is adjacent to the heating space communicated with the heat source outlet, and the heat source channel extends along the circumferential direction of the inner periphery side of the body.
4. A sugar refinery mixed juice waste heat recovery dedicated heat exchanger according to any one of claims 1-3, wherein:
a plurality of vertical upper cover partition boards are arranged in the upper cover, the lower parts of the upper cover partition boards are attached to the inner wall of the upper space partition boards, and the upper parts of the upper cover partition boards are attached to the inner wall of the upper cover or an upper guide opening is reserved;
the upper cover baffle plates and the upper space baffle plates which are adjacent to each other form an upper cover diversion space, the upper cover diversion space comprises a first upper cover diversion space and a second upper cover diversion space, in the first upper cover diversion space, mixed juice enters from a heating pipe and flows towards an upward diversion port, in the second upper cover diversion space, mixed juice flows from the first upper cover diversion space into the heating pipe through the upper diversion port and downwards, and the first upper cover diversion space and the second upper cover diversion space are alternately arranged;
a plurality of vertical lower cover partition boards are arranged in the lower cover, the upper parts of the lower cover partition boards are attached to the inner wall of the lower space partition boards, and the lower parts of the lower cover partition boards are attached to the inner wall of the lower cover or a lower diversion port is reserved;
the adjacent lower cover partition plates and the lower space partition plates enclose a lower cover diversion space, the lower cover diversion space comprises a first lower cover diversion space and a second lower cover diversion space, in the first lower cover diversion space, mixed juice enters from a heating pipe and flows towards a lower diversion port, in the second lower cover diversion space, mixed juice flows from the first lower cover diversion space through the lower diversion port and flows upwards into the heating pipe, and the first lower cover diversion space and the second lower cover diversion space are alternately arranged;
and a second lower cover diversion space is correspondingly arranged below the first upper cover diversion space.
5. The heat exchanger special for waste heat recovery of mixed juice in sugar refinery according to claim 4, wherein:
a glue groove is formed in the position, where the upper cover partition plate is attached to the upper space partition plate or the upper cover, and glue strips are arranged in the glue groove and can be matched and sealed with the position, where the upper cover partition plate is attached to the upper space partition plate or the upper cover;
the lower cover partition board is provided with a glue groove at the position where the lower cover partition board is attached to the lower space partition board or the lower cover, and glue strips are arranged in the glue groove and can be matched with the position where the lower cover partition board is attached to the lower space partition board or the lower cover to seal the position where the lower cover partition board is attached to the lower space partition board.
6. A sugar refinery mixed juice waste heat recovery dedicated heat exchanger according to any one of claims 1-3, wherein:
the body partition plates are arranged radially or transversely and longitudinally in a crossed mode.
7. A heat exchanger dedicated for heat recovery of mixed juice in sugar refinery according to claim 2 or 3, wherein:
the device body partition board comprises a first device body partition board, a second device body partition board and a third device body partition board which are vertically arranged, wherein the upper part of the first device body partition board is attached to the upper space partition board, and a space is reserved between the lower part of the first device body partition board and the lower space partition board or a through groove is reserved between the lower part of the first device body partition board and the lower space partition board to serve as a heat source flow port; a space is reserved between the upper part of the second body partition plate and the upper space partition plate or a through groove is formed between the upper part of the second body partition plate and the upper space partition plate to serve as a heat source flow port, and the lower part of the second body partition plate is attached to the lower space partition plate; the upper part and the lower part of the third body partition board are respectively attached to the upper space partition board and the lower space partition board to form a seal.
8. The heat exchanger special for waste heat recovery of mixed juice in sugar refinery according to claim 4, wherein:
the upper cover diversion space, the lower cover diversion space and the heating space are corresponding in position.
9. The heat exchanger special for waste heat recovery of mixed juice in sugar refinery according to claim 1, wherein:
the heat source flow direction and the mixed juice flow direction form concurrent flow or countercurrent flow.
10. The heat exchanger special for waste heat recovery of mixed juice in sugar refinery according to claim 2, wherein:
the heating space which is not communicated with the heat source inlet and the heat source outlet is provided with a body partition plate at one side of the heat source, a body partition plate at the other side of the heat source, and the other body partition plates are closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320102763.1U CN219454771U (en) | 2023-02-02 | 2023-02-02 | Special heat exchanger for recycling waste heat of mixed juice of sugar refinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320102763.1U CN219454771U (en) | 2023-02-02 | 2023-02-02 | Special heat exchanger for recycling waste heat of mixed juice of sugar refinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219454771U true CN219454771U (en) | 2023-08-01 |
Family
ID=87387384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320102763.1U Active CN219454771U (en) | 2023-02-02 | 2023-02-02 | Special heat exchanger for recycling waste heat of mixed juice of sugar refinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219454771U (en) |
-
2023
- 2023-02-02 CN CN202320102763.1U patent/CN219454771U/en active Active
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