CN113375482A - Supercritical fluid heat exchanger - Google Patents
Supercritical fluid heat exchanger Download PDFInfo
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- CN113375482A CN113375482A CN202110801765.5A CN202110801765A CN113375482A CN 113375482 A CN113375482 A CN 113375482A CN 202110801765 A CN202110801765 A CN 202110801765A CN 113375482 A CN113375482 A CN 113375482A
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- heat exchange
- rotating
- heat exchanger
- supercritical fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
- F28D7/1607—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation with particular pattern of flow of the heat exchange media, e.g. change of flow direction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/24—Arrangements for promoting turbulent flow of heat-exchange media, e.g. by plates
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a supercritical fluid heat exchanger, which comprises a cylinder body, a heat exchanger and a heat exchanger, wherein the cylinder body comprises a heat exchange cavity and an accommodating cavity; the heat exchange assembly is arranged in the heat exchange cavity and comprises a heat exchange tube, tube plates arranged at two ends of the heat exchange tube and a baffle plate arranged at the middle section of the heat exchange tube, and the tube plates and the baffle plate are arranged in the baffle plate; and the rotating assembly is arranged in the accommodating cavity and is connected with the heat exchange assembly to drive the heat exchange assembly to rotate. The rotary component realizes the rotation of the heat exchange component in the heat exchange cavity, and the positions of the notch arranged on the baffle plate and the sealing plate arranged on the flow separation plate are constantly changed along with the rotation of the heat exchange component, so that the working state of the fluid exchanger is changed, and the high-flexibility and high-efficiency heat exchange is realized.
Description
Technical Field
The invention relates to the technical field of heat exchangers, in particular to a supercritical fluid heat exchanger.
Background
The shell-and-tube heat exchanger is composed of a shell, a heat transfer tube bundle, a tube plate, a baffle plate (baffle plate), a tube box and other parts, wherein the shell is cylindrical, the tube bundle is arranged in the shell, two ends of the tube bundle are fixed on the tube plate, and two kinds of cold and hot fluids for heat exchange flow in the tube and are called tube pass fluids; another type of fluid flowing outside the tubes, known as the shell-side fluid, is typically provided with baffles within the shell to increase the heat transfer coefficient of the fluid outside the tubes, which baffles increase the velocity of the shell-side fluid and force the fluid to traverse the tube bundle multiple times over a specified path, thereby increasing the degree of fluid turbulence. The heat exchange tubes can be arranged in an equilateral triangle or a square on the tube plate.
In actual use, for heat exchange of cold and hot fluids with different temperature differences, the flow rate of the high-heat hot fluid is expected to be small so as to fully transmit the heat of the high-temperature fluid, and the flow rate of the low-heat hot fluid is expected to be large so as to enable the low-temperature fluid to absorb more heat; meanwhile, the hot fluid is transmitted to the cold fluid heat step by step under the action of the baffle plates in the shell, the hot fluid at the hot fluid inlet is high in heat carrying amount and high in heat exchange efficiency, the hot fluid at the hot fluid outlet is low in heat carrying amount and low in heat exchange efficiency, and in actual use, the flow amount and the heat exchange time of the hot fluid between the baffle plates in each stage of heat exchange interval are the same, and the heat exchange efficiency is low.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
In order to solve the technical problems, the invention provides the following technical scheme: a supercritical fluid heat exchanger comprises a cylinder body, a heat exchange cavity and a containing cavity, wherein a flow isolating plate is arranged on the inner wall of the heat exchange cavity; the heat exchange assembly is arranged in the heat exchange cavity and comprises a heat exchange tube, tube plates arranged at two ends of the heat exchange tube and a baffle plate arranged at the middle section of the heat exchange tube, and the tube plates and the baffle plate are arranged in the baffle plate; and the rotating assembly is arranged in the accommodating cavity and is connected with the heat exchange assembly to drive the heat exchange assembly to rotate.
As a preferable embodiment of the supercritical fluid heat exchanger according to the present invention, wherein: the rotating assembly comprises a rotating piece and a pushing piece, one side of the rotating piece is connected with the heat exchange assembly through a tube plate, and the pushing piece is arranged on the other side of the rotating piece. .
As a preferable embodiment of the supercritical fluid heat exchanger according to the present invention, wherein: the rotating piece comprises a rotating base and a rotating pressing block, a rotating groove is formed in the annular direction of the inner wall of the rotating base, an elastic piece is arranged at the bottom of the rotating base, the top of the elastic piece is connected with the rotating pressing block, and a protruding block matched with the rotating groove in use is arranged on the annular direction of the side wall of the rotating pressing block.
As a preferable embodiment of the supercritical fluid heat exchanger according to the present invention, wherein: the impeller comprises a driving piece and a rotating rod, the driving piece is arranged outside the accommodating cavity, the driving rod of the driving piece extends to the accommodating cavity and is connected to the rotating rod, a clamping block is arranged at one end, away from the driving rod, of the rotating rod, and a pushing block is arranged above the rotating rod through the supporting rod.
As a preferable embodiment of the supercritical fluid heat exchanger according to the present invention, wherein: the promotion piece includes rectangular piece, rectangular piece be provided with the long spout that fixture block collocation was used, rectangular piece both ends are provided with the catch bar.
As a preferable embodiment of the supercritical fluid heat exchanger according to the present invention, wherein: the top of the rotating pressing block is provided with a pushing groove, and the axis of the pushing rod coincides with the axis of the rotating pressing block.
As a preferable embodiment of the supercritical fluid heat exchanger according to the present invention, wherein: the flow partition plate is of a circular ring structure, a circular sliding groove is formed in the flow partition plate, a sealing plate is arranged on the flow partition plate, and the sealing plate seals a gap formed in the baffle plate.
As a preferable embodiment of the supercritical fluid heat exchanger according to the present invention, wherein: the flow isolating plate corresponding to the baffle plate close to the high-temperature fluid inlet is provided with two groups of closing plates, the flow isolating plate corresponding to the baffle plate close to the high-temperature fluid outlet is not provided with a closing plate, and the flow isolating plate corresponding to the baffle plate is provided with a group of closing plates.
As a preferable embodiment of the supercritical fluid heat exchanger according to the present invention, wherein: the one end that the actuating lever was kept away from to the dwang is provided with the slider, the slider top is provided with the fixture block.
As a preferable embodiment of the supercritical fluid heat exchanger according to the present invention, wherein: rotate the piece bottom and be provided with the rotation connecting rod that runs through heat exchange assembly, it is provided with the supplementary dwang of connecting tube sheet to rotate a lateral wall.
The invention has the beneficial effects that: the rotary assembly is used for realizing the rotation of the heat exchange assembly in the heat exchange cavity, and the positions of the notch arranged on the baffle plate and the sealing plate arranged on the flow separation plate are continuously changed along with the rotation of the heat exchange assembly, so that the working state of the fluid exchanger is changed, the high-flexibility and high-efficiency heat exchange is realized, and the step-by-step high-efficiency heat exchange can be realized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
FIG. 1 is a block diagram of the overall structure of the present invention.
FIG. 2 is a schematic view of the internal structure of the present invention.
Fig. 3 is a schematic view of a heat exchange assembly-rotating assembly connection structure of the present invention.
Fig. 4 is a schematic view showing an assembly structure of the flow plate in embodiment 1.
FIG. 5 is a schematic view showing the structure of a baffle plate in example 1.
Fig. 6 is a schematic view of the entire structure of the rotating member in embodiment 2.
Fig. 7 is a schematic view of the internal structure of the rotating member in embodiment 2.
FIG. 8 is a schematic view of the structure of the pusher in example 2.
FIG. 9 is a schematic view showing the movement of the pusher in example 2.
FIG. 10 is a schematic view showing an assembly structure of the flow plate in example 3.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 to 5, a first embodiment of the present invention provides a supercritical fluid heat exchanger, which includes a cylinder 100 including a heat exchange chamber 101 and a receiving chamber 102, wherein the heat exchange chamber 101 is used for exchanging heat between a high temperature fluid and a low temperature fluid, a rotating assembly 300 is disposed in the receiving chamber 102, and a flow isolating plate 103 is disposed on an inner wall of the heat exchange chamber 101; the heat exchange assembly 200 is arranged in the heat exchange cavity 101, the heat exchange assembly 200 comprises a heat exchange tube 201, tube plates 202 arranged at two ends of the heat exchange tube 201 and a baffle plate 203 arranged at the middle section of the heat exchange tube 201, the heat exchange tube 201 is used for transmitting low-temperature fluid, the tube plates 202 close two ends of the heat exchange cavity 101, the baffle plate 203 is provided with a gap so as to realize that high-temperature fluid flows along an S-shaped route in the heat exchange cavity 101, the flow path of the high-temperature fluid in the heat exchange cavity 101 is prolonged, the heat exchange efficiency is improved, the tube plates 202 and the baffle plate 203 are both arranged in the baffle plate 103, the baffle plate 103 is of a circular structure, a circular chute 103a is arranged in the baffle plate, the tube plates 202 and the baffle plate 203 can rotate in the circular chute 103a so as to drive the whole heat exchange assembly 200 to rotate in the heat exchange cavity 101, a closing plate 103b is arranged on the baffle plate 103, and the closing plate 103b closes the gap arranged on the baffle plate 203, when the heat exchange assembly 200 rotates in the heat exchange cavity 101, when the gap of the baffle plate 203 rotates to the position where the closing plate 103b is arranged on the flow partition plate 103, the closing plate 103b completely closes the gap of the baffle plate 203, and the high-temperature fluid stops flowing in the heat exchange cavity 101; the rotating assembly 300 is disposed in the accommodating cavity 102, and the rotating assembly 300 is connected to the heat exchange assembly 200 to drive the heat exchange assembly 200 to rotate intermittently, and the rotating assembly 300 drives the heat exchange assembly 200 to rotate intermittently or adjust the rotating position in the heat exchange cavity 101.
The inner wall of the heat exchange cavity 101 is provided with a flow partition plate 103, the flow partition plate 103 is of a circular ring structure, a circular chute 103a is arranged in the flow partition plate, a tube plate 202 and a baffle plate 203 are arranged in the flow partition plate 103 and can rotate in the circular chute 103a of the flow partition plate 103, a sealing plate 103b which can completely seal a gap formed in the baffle plate 203 is arranged on the flow partition plate 103, a rotating assembly 300 is arranged in the accommodating cavity 102 and connected with the heat exchange assembly 200, the whole heat exchange assembly 200 can be driven to rotate in the flow partition plate 103, along with the rotation of the heat exchange assembly 200, the relative position of the gap formed in the baffle plate 203 and the sealing plate 103b formed in the flow partition plate 103 is constantly changed, the movement path of high-temperature fluid is constantly changed, and the change of the working state of the exchanger can be realized by rotating the heat exchange assembly 200 to a fixed position:
exchanger operating state 1: the gap of the baffle plate 203 is not overlapped with the closing plate 103b of the flow separation plate 103, and at the moment, high-temperature fluid in the exchanger normally flows along the S path to exchange heat;
exchanger operating state 2: the gap of the baffle plate 203 is partially overlapped with the closing plate 103b of the flow separation plate 103, so that the flow rate of the high-temperature fluid can be flexibly changed according to the overlap ratio of the gap and the closing plate, the flow rate of the high-temperature fluid can be flexibly changed according to the temperature and the heat exchange efficiency of the high-temperature fluid, the high-efficiency heat exchange is realized, and the real-time flow quantity of the high-temperature fluid is controlled;
exchanger operating state 3: the gap of the baffle plate 203 and the closing plate 103b of the flow partition plate 103 are completely closed, at this time, the high-temperature fluid stops flowing in the heat exchange cavity 101, at this time, the high-temperature fluid inlet, the high-temperature fluid outlet, the low-temperature fluid inlet and the low-temperature fluid outlet are simultaneously closed, the high-temperature fluid and the low-temperature fluid are simultaneously closed in the heat exchange cavity 101, and the sufficient heat exchange between the high-temperature fluid and the low-temperature fluid and the heat preservation of the low-temperature fluid are realized;
according to the invention, the rotation of the heat exchange assembly 200 in the heat exchange cavity is realized through the rotating assembly 300, and the positions of the gap arranged on the baffle plate 203 and the sealing plate 103b arranged on the flow partition plate 103 are continuously changed along with the rotation of the heat exchange assembly 200, so that the change of the working state of the fluid exchanger is realized, and the high-flexibility and high-efficiency heat exchange is realized.
Example 2
Referring to fig. 6 to 9, a second embodiment of the present invention is different from the first embodiment in that: the rotating assembly 300 comprises a rotating piece 301 and a pushing piece 302, one side of the rotating piece 301 is connected with the heat exchange assembly 200 through a tube plate 202, the rotating piece 301 drives the heat exchange assembly 200 to rotate, the pushing piece 302 is arranged on the other side of the rotating piece 301, and the pushing piece 302 realizes rotation of the rotating piece 301.
Further, the rotating member 301 comprises a rotating base 301a and a rotating pressing block 301b, a rotating groove 301c is circumferentially arranged on the inner wall of the rotating base 301a, an elastic member 301d is arranged at the bottom of the rotating base 301a, the rotating pressing block 301b is connected to the top of the elastic member 301d, a protrusion 301e matched with the rotating groove 301c is circumferentially arranged on the side wall of the rotating pressing block 301b, when the rotating pressing piece 301b presses downwards, the projection 301e arranged annularly on the side wall of the rotating pressing piece 301b moves downwards along the rotating groove 301c, when the pressing of the rotating pressing piece 301b disappears, under the action of the elastic element 301d, the rotating pressing block 301b moves upwards, and due to the arrangement of the groove path at the lower part of the rotating groove 301c, the lug 301e deflects at a certain angle along the rotating groove, and the lug 301e enters the adjacent rotating groove 301c, so that the rotating element 301 is driven to rotate at a certain angle.
Further, the pushing member 302 includes a driving member 302a and a rotating rod 302b, the driving member 302a is disposed outside the accommodating cavity 102, a driving rod 302c of the driving member 302a extends into the accommodating cavity 102 and is connected to the rotating rod 302b, the driving member 302a works, the rotating rod 302b is driven by the driving rod 302c to perform a circular motion, one end of the rotating rod 302b far away from the driving rod 302c is provided with a clamping block 302b-1, and a pushing block 302e is disposed above the rotating rod 302b through a supporting rod 302 d. The pushing block 302e comprises a long strip block 302e-1, the long strip block 302e-1 is provided with a long sliding groove 302e-2 matched with the clamping block 302b-1 for use, and two ends of the long strip block 302e-1 are provided with pushing rods 302 e-3. The top of the rotating pressing block 301b is provided with a pushing groove 301b-1, and the pushing rod 302e-3 is coincident with the axis of the rotating pressing block 301 b.
The driving piece 302a drives the rotating rod 302b to do circular motion, while the rotating rod 302b does circular motion, the rotating rod 302b drives the pushing block 302e to do reciprocating linear motion, the top of one end of the rotating rod 302b is provided with a clamping block 302b-1, the clamping block 302b-1 is positioned in a long sliding groove 302e-2 arranged on a long strip block 302e-1, when the rotating rod 302b does circular motion, the clamping block 302b-1 does reciprocating sliding motion in the long sliding groove 302e-2, so as to drive the long strip block 302e-1 above the rotating rod 302b to do linear reciprocating motion, both ends of the long strip block 302e-1 are provided with pushing rods 302e-3, the pushing rods 302e-3 are movably arranged in the supporting rod 302d, while the supporting rod 302d plays a supporting role on the pushing block 302e, the pushing rods 302e-3 can realize the linear reciprocating motion, the axis of the push rod 302e-3 coincides with the axis of the rotating pressing block 301b, the push rod 302e-3 arranged at one end of the long strip block contacts with the rotating pressing block 301b while performing linear reciprocating motion, so as to extrude the rotating pressing block 301b, and after the rotating pressing block 301b is extruded, the rotating member 301 is driven to rotate at a certain angle, the push rod 302e-3 performs reciprocating motion, so as to intermittently extrude the rotating pressing block 301b, and the rotating member 301 is driven to intermittently rotate.
The pushing piece 302 converts the circular motion into the reciprocating linear motion, so as to intermittently extrude the rotating pressing block 301b, drive the rotating piece 301 to intermittently rotate, the rotating piece 301 intermittently rotates to drive the heat exchange assembly 200 intermittently to rotate, the baffle plate 203 arranged on the heat exchange assembly 200 also intermittently rotates, the position of the notch arranged on the baffle plate 203 continuously changes, further, the flow path of the high-temperature fluid continuously changes, the high-temperature fluid continuously impacts the baffle plate 203 and the heat exchange tube 201, the heat of the high-temperature fluid is continuously excited and transferred to the low-temperature fluid, thereby realizing the sufficient heat exchange between the high-temperature fluid and the low-temperature fluid in the heat exchange tube 201, and improving the heat exchange efficiency,
example 3
Referring to fig. 10, a third embodiment of the present invention, which is different from the first two embodiments, is shown: the flow partition plate 103 corresponding to the baffle plate 203 close to the high-temperature fluid inlet is provided with two groups of closing plates 103b, the flow partition plate 103 corresponding to the baffle plate 203 close to the high-temperature fluid outlet is not provided with the closing plates 103b, and the flow partition plate 103 corresponding to the baffle plate 203 is provided with one group of closing plates 103 b.
Because the heat is reduced step by step when the high-temperature fluid flows along the heat exchange cavity 101, the high-temperature fluid near the high-temperature fluid inlet has high heat carrying capacity and high heat exchange efficiency, and the high-temperature fluid near the high-temperature fluid outlet has low heat carrying capacity and low heat exchange efficiency, the high-temperature fluid is expected to stay for a longer time in the first-stage heat exchange. When the rotating assembly 300 drives the heat exchange assembly 200 to rotate intermittently in the heat exchange cavity 101, the positions of the sealing plates 103b arranged on the flow partition plate 103 and the gaps arranged on the baffle plates 203 are constantly changed, because the flow partition plate 103 corresponding to the baffle plate 203 close to the high-temperature fluid inlet is provided with two groups of sealing plates 103b, the sealing plates 103 are arranged at the two ends of the flow partition plate 103, when the positions of the sealing plates 103b and the baffle plate 203 are partially or completely overlapped, the outflow rate of the high-temperature fluid in the first-stage heat exchange interval is slowed down or stopped, the flow partition plate 103 corresponding to the baffle plate 203 close to the high-temperature fluid outlet is not provided with the sealing plate 103b, the high-temperature fluid in the last-stage heat exchange interval normally flows out, the flow partition plate 103 corresponding to the baffle plate 203 is provided with a group of sealing plates 103b, and the high-temperature fluid in the heat exchange interval is influenced by the gaps arranged on the sealing plates 103b and the baffle plate 203, so that the outflow rate of the high-temperature fluid is slowed down or stopped, because two groups of closing plates 103 are arranged in the first-stage heat exchange interval, the probability of the situation that the outflow rate of the high-temperature fluid is slowed down or stops flowing out is twice of the heat exchange interval between the two groups of closing plates, in the long-term heat exchange process, along with the intermittent rotation of the heat exchange assembly 200 in the heat exchange cavity 101, the retention time of the high-temperature fluid in the first-stage heat exchange interval is longer than that of all the heat exchange intervals between the two groups of closing plates, and the retention time of all the heat exchange intervals between the two groups of closing plates is longer than that of the last-stage heat exchange interval, so that the staged heat exchange of the high-temperature fluid in the heat exchange cavity 101 is realized, and the heat exchange efficiency is improved.
One end of the rotating rod 302b, which is far away from the driving rod 302c, is provided with a sliding block 302b-2, the top of the sliding block 302b-2 is provided with a clamping block 302b-1, and the sliding block 302b-2 can slide along the driving rod 302c, so that the rotating radius of the rotating rod 302b driving the pushing block 302e is adjusted, after the rotating radius is reduced, the linear thread of the pushing block 302e which does the back-and-forth movement is shortened, the thread of the pushing rod 302e-3 can be adjusted according to the distance between the pushing rod 302e-3 and the rotating clamping block 301b, and the rotating clamping block 301b can be smoothly extruded in a clearance manner.
Rotate the piece 301 bottom and be provided with the rotation connecting rod 301f that runs through heat exchange assembly 200, rotate the supplementary dwang 301g that piece 301 lateral wall was provided with connecting tube sheet 202, rotate connecting rod 301f and supplementary dwang 301g and can assist and rotate piece 301 and transmit the turning force for heat exchange assembly 200, realize heat exchange assembly 200's normal rotation.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. A supercritical fluid heat exchanger, characterized by: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the cylinder body (100) comprises a heat exchange cavity (101) and an accommodating cavity (102), wherein the inner wall of the heat exchange cavity (101) is provided with a flow isolating plate (103);
the heat exchange assembly (200) is arranged in the heat exchange cavity (101), the heat exchange assembly (200) comprises a heat exchange tube (201), tube plates (202) arranged at two ends of the heat exchange tube (201) and baffle plates (203) arranged at the middle section of the heat exchange tube (201), and the tube plates (202) and the baffle plates (203) are both arranged in the baffle plates (103);
the rotating assembly (300) is arranged in the accommodating cavity (102) and connected with the heat exchange assembly (200) to drive the heat exchange assembly (200) to rotate.
2. A supercritical fluid heat exchanger according to claim 1 wherein: the rotating assembly (300) comprises a rotating piece (301) and a pushing piece (302), one side of the rotating piece (301) is connected with the heat exchange assembly (200) through a tube plate (202), and the pushing piece (302) is arranged on the other side of the rotating piece (301).
3. A supercritical fluid heat exchanger according to claim 2 wherein: rotate piece (301) including rotating base (301a) and rotating briquetting (301b), it is provided with rotation recess (301c) to rotate base (301a) inner wall hoop, it is provided with elastic component (301d) to rotate base (301a) bottom, elastic component (301d) top is connected with rotate briquetting (301b), rotate briquetting (301b) lateral wall hoop be provided with rotate lug (301e) that recess (301c) collocation was used.
4. A supercritical fluid heat exchanger according to claim 2 or 3 wherein: the pushing member (302) comprises a driving member (302a) and a rotating rod (302b), the driving member (302a) is arranged outside the accommodating cavity (102), a driving rod (302c) of the driving member (302a) extends into the accommodating cavity (102) and is connected to the rotating rod (302b), one end, far away from the driving rod (302c), of the rotating rod (302b) is provided with a clamping block (302b-1), and a pushing block (302e) is arranged above the rotating rod (302b) through a supporting rod (302 d).
5. The supercritical fluid heat exchanger of claim 4 wherein: the pushing block (302e) comprises a long strip block (302e-1), the long strip block (302e-1) is provided with a long sliding groove (302e-2) matched with the clamping block (302b-1) for use, and two ends of the long strip block (302e-1) are provided with pushing rods (302 e-3).
6. The supercritical fluid heat exchanger of claim 5 wherein: the top of the rotating pressing block (301b) is provided with a pushing groove (301b-1), and the pushing rod (302e-3) is overlapped with the axis of the rotating pressing block (301 b).
7. A supercritical fluid heat exchanger according to any one of claims 1 to 3, 5 or 6 wherein: the flow partition plate (103) is of a circular ring structure, a circular sliding groove (103a) is formed in the flow partition plate, a sealing plate (103b) is arranged on the flow partition plate (103), and the sealing plate (103b) seals a gap formed in the baffle plate (203).
8. A supercritical fluid heat exchanger according to claim 7 wherein: the flow partition plate (103) corresponding to the baffle plate (203) close to the high-temperature fluid inlet is provided with two groups of closing plates (103b), the flow partition plate (103) corresponding to the baffle plate (203) close to the high-temperature fluid outlet is not provided with the closing plates (103b), and the flow partition plate (103) corresponding to the baffle plate (203) is provided with one group of closing plates (103 b).
9. A supercritical fluid heat exchanger according to claim 8 wherein: one end of the rotating rod (302b), which is far away from the driving rod (302c), is provided with a sliding block (302b-2), and the top of the sliding block (302b-2) is provided with a clamping block (302 b-1).
10. A supercritical fluid heat exchanger according to claim 9 wherein: rotate piece (301) bottom and be provided with rotation connecting rod (301f) that runs through heat exchange assemblies (200), it is provided with supplementary dwang (301g) of connecting tube sheet (202) to rotate piece (301) lateral wall.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110801765.5A CN113375482B (en) | 2021-07-15 | 2021-07-15 | Supercritical fluid heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110801765.5A CN113375482B (en) | 2021-07-15 | 2021-07-15 | Supercritical fluid heat exchanger |
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| CN113375482A true CN113375482A (en) | 2021-09-10 |
| CN113375482B CN113375482B (en) | 2022-06-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114797142A (en) * | 2022-03-22 | 2022-07-29 | 浙江三江化工新材料有限公司 | Ethylene oxide low pressure condensate aftertreatment system |
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| CN114797142B (en) * | 2022-03-22 | 2023-10-24 | 浙江三江化工新材料有限公司 | Ethylene oxide low pressure condensate aftertreatment system |
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