CN109536213B - Efficient tar cooling and collecting device based on heat conduction fins - Google Patents

Efficient tar cooling and collecting device based on heat conduction fins Download PDF

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CN109536213B
CN109536213B CN201811593252.4A CN201811593252A CN109536213B CN 109536213 B CN109536213 B CN 109536213B CN 201811593252 A CN201811593252 A CN 201811593252A CN 109536213 B CN109536213 B CN 109536213B
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temperature section
temperature
low
refrigeration
heat conducting
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CN109536213A (en
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胡松
李寒剑
池寰瀛
廖广
向军
苏胜
汪一
许凯
何立模
徐俊
韩亨达
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Huazhong University of Science and Technology
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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00—Purifying combustible gases containing carbon monoxide
    • C10K1/04—Purifying combustible gases containing carbon monoxide by cooling to condense non-gaseous materials
    • C10K1/046—Reducing the tar content

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  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

The invention provides a tar high-efficiency cooling and collecting device based on a heat conduction fin, which comprises: a pipe connection module; the high-temperature section refrigeration assembly comprises a plurality of high-temperature section refrigeration modules, and each module comprises two high-temperature section liquid cooling blocks, two high-temperature section refrigeration sheets and a high-temperature section temperature guide sheet; the heat conduction area in the middle of the high-temperature section heat conduction sheet comprises a plurality of parallel high-temperature section heat conduction fins; the medium-temperature section refrigeration assembly comprises a plurality of medium-temperature section refrigeration modules, and each module comprises two medium-temperature section liquid cooling blocks, two medium-temperature section refrigeration sheets and a medium-temperature section heat conduction sheet; a plurality of parallel fins are arranged on a heat conduction area in the middle of the middle-temperature section heat conduction piece, one end of each fin extends to one side edge of the area, and the other end of each fin is a certain distance away from the other side edge; the low-temperature section refrigeration assembly comprises a plurality of low-temperature section refrigeration modules, and each module comprises two low-temperature section liquid cooling blocks, two low-temperature section refrigeration sheets and a low-temperature section temperature guide sheet; the heat conducting area in the middle of the low-temperature section heat conducting sheet comprises a plurality of fins which are uniformly distributed along the circumferential direction and extend outwards in a radiation mode from the axis.

Description

Efficient tar cooling and collecting device based on heat conduction fins
Technical Field
The invention belongs to the field of cooling and collecting tar, and particularly relates to a high-efficiency cooling and collecting device for tar based on a heat conduction fin.
Background
The condensation method is a conventional method for collecting tar in the pyrolysis and combustion experimental research at present, and water, ice-water mixture or liquid nitrogen is generally used as a condensation medium. The temperature of water is generally room temperature (25 ℃), the temperature of an ice-water mixture is generally close to 0 ℃, and the condensation effect of the two condensation media on tar components with the dew point lower than zero is poor; the temperature of the liquid nitrogen is extremely low, almost all tar can be condensed, however, the temperature of the liquid nitrogen (-196 ℃) is lower than the boiling point of most gas products, so that most of the gas products are condensed while the tar is condensed, the gas loss is caused, and the gas collection and analysis are not facilitated.
Meanwhile, in the experimental research of pyrolysis and combustion, the components of the tar components are often complex, and in the experimental research of some materials (such as biomass) with large moisture and volatile components, the complex tar components can be completely collected by multi-stage condensation collection. The temperature at the primary collection cannot be too low, otherwise excessive accumulation and condensation of moisture may result, thereby retarding the flow-through and subsequent collection of tar components; and the tail end collecting device needs a certain low temperature to realize the complete collection of tar.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide a tar cooling and collecting device based on a thermal conduction fin, which can cool and collect tar quickly and efficiently.
In order to achieve the purpose, the invention adopts the following scheme:
the invention provides a tar high-efficiency cooling and collecting device based on a heat conduction fin, which is characterized by comprising the following components: the front end inlet of the pipeline connecting module is communicated with the pipe orifice of the tar conveying pipeline in a sealing way; high temperature section refrigeration subassembly, with the sealed intercommunication of pipeline connection module's rear end export, including a plurality of consecutive high temperature section refrigeration modules, every high temperature section refrigeration module contains: the device comprises two high-temperature section liquid cooling blocks, two high-temperature section refrigerating sheets and a high-temperature section heat conducting sheet; two side surfaces of the high-temperature section liquid cooling block are respectively provided with a high-temperature section leading-in port matched with a rear end outlet of the pipeline connecting module and a high-temperature section supporting pipe matched with the high-temperature section leading-in port, the middle part of the high-temperature section liquid cooling block is provided with a high-temperature section flow guide channel hermetically communicated with the high-temperature section leading-in port and the high-temperature section supporting pipe, the peripheral area of the high-temperature section flow guide channel is sunken towards the thickness direction to form a high-temperature section liquid cooling cavity, and the side wall of the high-temperature section liquid; the two high-temperature section refrigerating pieces are respectively sleeved on the peripheral surfaces of the two high-temperature section supporting pipes, and the hot surfaces are respectively in contact with the outer side surfaces of the bottom walls of the two high-temperature section liquid cooling grooves in a fitting manner; two side surfaces of the high-temperature section heat conducting sheet are respectively attached to the cold surfaces of the two high-temperature section refrigerating sheets, the middle part of the high-temperature section heat conducting sheet is provided with a high-temperature section heat conducting area communicated with the high-temperature section supporting tube in a sealing manner, the high-temperature section heat conducting area comprises a plurality of high-temperature section heat conducting fins arranged in parallel, and a high-temperature section outflow port for allowing fluid to pass through is formed between every two adjacent high-temperature section heat conducting fins; middle temperature section refrigeration subassembly, with the sealed intercommunication of the fluid outlet of high temperature section refrigeration subassembly, including a plurality of middle temperature section refrigeration modules that link to each other in proper order, every middle temperature section refrigeration module contains: two middle-temperature section liquid cooling blocks, two middle-temperature section refrigerating sheets and a middle-temperature section temperature conducting sheet; two side surfaces of the middle-temperature section liquid cooling block are respectively provided with a middle-temperature section leading-in port matched with the front end inlet and a middle-temperature section supporting pipe matched with the middle-temperature section leading-in port, the middle part of the middle-temperature section liquid cooling block is provided with a middle-temperature section flow guide channel hermetically communicated with the middle-temperature section leading-in port and the middle-temperature section supporting pipe, the peripheral area of the middle-temperature section flow guide channel is sunken towards the thickness direction to form a middle-temperature section liquid cooling cavity, and the side wall of the middle-temperature section liquid cooling cavity is provided with a liquid cooling inlet; the two middle-temperature section refrigerating sheets are respectively sleeved on the peripheral surfaces of the two middle-temperature section supporting tubes, and the hot surfaces of the two middle-temperature section refrigerating sheets are respectively in contact with the outer side surfaces of the bottom walls of the two middle-temperature section liquid cooling grooves in a fitting manner; two side surfaces of the middle-temperature section heat conducting fins are respectively attached to the cold surfaces of the two middle-temperature section refrigerating fins, a middle-temperature section heat conducting area communicated with the middle-temperature section supporting tube in a sealing mode is arranged in the middle of the middle-temperature section heat conducting area, a plurality of middle-temperature section heat conducting fins which are parallel to each other are arranged on the middle-temperature section heat conducting area, one end of each middle-temperature section heat conducting fin extends to one side edge of the middle-temperature section heat conducting area, the other end of each middle-temperature section heat conducting fin is a certain distance away from the other side edge of the middle-temperature section heat conducting area, and a middle-temperature section outflow port allowing fluid to pass through is formed between; and the low-temperature section refrigeration assembly is communicated with the fluid outlet of the medium-temperature section refrigeration assembly in a sealing manner and comprises a plurality of low-temperature section refrigeration modules which are sequentially connected, and each low-temperature section refrigeration module comprises: the device comprises two low-temperature section liquid cooling blocks, two low-temperature section refrigerating sheets and a low-temperature section temperature conducting sheet; two side surfaces of the low-temperature section liquid cooling block are respectively provided with a low-temperature section introducing port matched with the front end inlet and a low-temperature section supporting pipe matched with the low-temperature section introducing port, the middle part of the low-temperature section liquid cooling block is provided with a low-temperature section flow guide channel hermetically communicated with the low-temperature section introducing port and the low-temperature section supporting pipe, the peripheral area of the low-temperature section flow guide channel is sunken towards the thickness direction to form a low-temperature section liquid cooling cavity, and the side wall of the low-temperature section liquid cooling cavity is provided with a; the two low-temperature section refrigerating pieces are respectively sleeved on the peripheral surfaces of the two low-temperature section supporting pipes, and the hot surfaces are respectively in contact with the outer side surfaces of the bottom walls of the two low-temperature section liquid cooling grooves in a fitting manner; the both sides face of low temperature section heat conduction piece is hugged closely with the cold face of two low temperature section refrigeration pieces respectively to the middle part is equipped with the low temperature section heat conduction region with low temperature section supporting tube closure intercommunication, and this low temperature section heat conduction region contains a plurality of along circumferencial direction evenly distributed and low temperature section heat conduction fin towards the axis extension, forms the low temperature section egress opening that lets the fluid pass through between the adjacent low temperature section heat conduction fin.
The beneficial effect of this scheme is: the arrangement of the heat conducting fins, the flow outlet and the heat conducting fins can effectively increase the heat exchange area and reduce the heat transfer resistance, so that the cold energy can be effectively transmitted, the temperature distribution of the whole heat conducting fins is more uniform, and the arrangement of the fins is convenient for the further leaching and collection of the tar condensed. Particularly, in the high-temperature section, the high-temperature section outflow ports formed by the heat conducting fins which are parallel to each other can enable airflow to pass through quickly, avoid blockage and carry out primary cooling. In the middle temperature section, set up a plurality of middle temperature section heat conduction fins that are parallel to each other on leading the temperature region, and each middle temperature section heat conduction fin's one end extends to a middle temperature section and leads the regional marginal a side of temperature, and the other end leads the regional opposite side of temperature apart from middle temperature section and follows a certain distance, sets up like this and can delay the air current and pass through speed, extension air current and lead warm plate contact time, reach better cooling effect, carry out the medium-grade cooling, the tar is collected in the condensation. In the low-temperature section, the heat conducting area comprises a plurality of low-temperature section heat conducting fins which are uniformly distributed along the circumferential direction and extend towards the central axis, and a low-temperature section outflow port for allowing fluid to pass is formed between the adjacent low-temperature section heat conducting fins, so that the centripetal radial outflow port and the fins are arranged, the top ends of the fins with the highest heat exchange efficiency are positioned in the center of the flow channel, and the air flow with higher speed at the center can be better cooled; meanwhile, the fins collected at the center can effectively transmit the cold energy to the center position, so that the temperature field of the whole diversion part is uniform; on the other hand, the fins collected in the central part form a circular island, so that the coming flow with the highest flow speed in the central part is prevented from directly passing through, and the retention time of the coming flow can be effectively prolonged, so that the coming flow is more effectively cooled, the deep cooling is realized, and the efficient collection of the residual tar is completed. The incoming flow is gradually cooled through the refrigeration and refrigeration assembly at the high-medium-low temperature section, the heat exchange temperature difference between the incoming flow and the incoming flow is gradually reduced, the air flow is uniform, and the tar cooling and collecting efficiency is improved.
Moreover, the device can continuously work without any refrigerant when the tar is refrigerated, has no pollution source, no rotating and sliding parts, no vibration and noise and long service life when in work, adopts the refrigerating sheet which is easy to install as a direct refrigerating source, directly cools the tar by the temperature conduction sheet with high heat conductivity, can improve the refrigerating efficiency and reduce the energy loss; in each refrigeration module, the tar is rapidly cooled through the synergistic effect of the two refrigeration pieces; the two-stage liquid cooling cavity with the liquid inlet hole and the liquid outlet hole can effectively take away heat on the hot surface of the annular refrigerating sheet, so that efficient refrigeration of the refrigerating sheet is guaranteed.
Furthermore, due to the modular design, all parts can be replaced mutually, and the stability of the system is guaranteed when parts are damaged; and the modular design can also facilitate the free combination of users according to the needs of condensation and collection conditions, thereby meeting different requirements and greatly expanding the applicability of the condensation and collection devices.
In addition, the sealing connection between the water cooling assembly supporting tube and the temperature guide sheet can avoid the pressure bearing of the refrigerating sheet, on one hand, the damage of the annular water cooling sheet can be avoided, and the service life of the device is ensured; on the other hand, the close fitting of the refrigerating sheet can be ensured, and a refrigerating module with controllable temperature is formed.
Preferably, the efficient tar cooling and collecting device based on the temperature guide fins according to the present invention may further include: in the high-temperature section refrigeration assembly, the high-temperature section heat conduction areas of the adjacent high-temperature section heat conduction sheets are arranged in a staggered manner, in the medium-temperature section refrigeration assembly, the medium-temperature section heat conduction areas of the adjacent medium-temperature section heat conduction sheets are arranged in a staggered manner, and in the low-temperature section refrigeration assembly, the low-temperature section heat conduction areas of the adjacent low-temperature section heat conduction sheets are arranged in a staggered manner.
The beneficial effects of this preferred feature are: the outflow ports of the heat conducting sheets in the temperature sections are arranged in a staggered mode, so that heat transfer contact between incoming flow and the heat conducting sheets can be further optimized, and the incoming flow is efficiently cooled.
Preferably, the efficient tar cooling and collecting device based on the temperature guide fins according to the present invention may further include: in the high-temperature section refrigerating assembly, the inner diameter of the high-temperature section refrigerating sheet is set as R0The width of the heat conduction fin at the high temperature section is W1A thickness of1Thermal convection coefficient of h1A coefficient of thermal conductivity of λ1Then W is1≤R0/2，
Figure GDA0002629363600000041
1/2<ω<1Thus, the heat conduction effect is better.
Preferably, the efficient tar cooling and collecting device based on the temperature guide fins according to the present invention may further include: in the middle-temperature section refrigerating assembly, the width of the middle-temperature section heat-conducting fin is set as W2And the distance from the center of the other end of the middle-temperature section heat-conducting fin to the other side edge of the middle-temperature section heat-conducting area is A, then A: w21: 1 ~ 1.5, it is better to set up the heat conduction effect like this.
Preferably, the efficient cooling and collecting device for tar based on the temperature guiding fins according to the present invention may further have the following features: in the low-temperature section refrigeration assembly, a plurality of auxiliary temperature conduction fins are uniformly arranged on the low-temperature section temperature conduction area, and each auxiliary temperature conduction fin isThe heat conduction fins are arranged between two adjacent low-temperature section heat conduction fins and extend from the bottom to the axis, and the extension length of the auxiliary heat conduction fins is set to be l2The length of the low-temperature section heat conduction fin is L2Then l is2：L2The ratio of the heat conduction efficiency to the heat conduction efficiency is 1-2: 3.
Preferably, the efficient cooling and collecting device for tar based on the temperature guiding fins according to the present invention may further have the following features: in the low-temperature section refrigerating assembly, the low-temperature section outflow port is fan-shaped, the central angle is 10-30 degrees, and the distance B between the top end of the low-temperature section outflow port and the axle center of the medium-temperature section heat conducting area is equal to L2/6～L2And/3, the heat conduction effect is better.
Preferably, the efficient cooling and collecting device for tar based on the temperature guiding fins according to the present invention may further have the following features: it is set that the high temperature section refrigeration assembly contains N1A high-temperature section refrigerating module, a middle-temperature section refrigerating assembly containing N2A middle temperature section refrigerating module, a low temperature section refrigerating assembly containing N3Individual low temperature section refrigerating module, then N1：N2：N32: 3-5: 6-9, the tar cooling and collecting effect is better.
Preferably, the efficient cooling and collecting device for tar based on the temperature guiding fins according to the present invention may further have the following features: the width of high temperature section egress opening is greater than the width of well temperature section egress opening to the width of well temperature section egress opening is greater than the low temperature section egress opening, sets up like this and is favorable to hierarchical cooling more, thereby realizes high-efficient cooling.
The beneficial effects of this preferred feature are: the temperature guide fins and the large outflow port of the high-temperature section can uniformly send airflow into the next cooling module while preliminarily cooling the incoming flow to collect part of tar, and can also avoid blockage; the temperature conducting area and the outflow port of the medium temperature section can further cool the inflow and collect tar; the temperature-conducting fins and the small flow outlet at the low-temperature section can more uniformly cool the airflow, so that the high-efficiency collection of the residual tar is completed; different structures of the high-temperature section, the medium-temperature section and the low-temperature section can enhance the difference of properties of tar collected by different temperature zones to a greater extent, so that tar is collected and simultaneously is subjected to preliminary separation.
Preferably, the efficient cooling and collecting device for tar based on the temperature guiding fins according to the present invention may further have the following features: the three groups of cold liquid supply components respectively correspond to the high-temperature section refrigeration component, the medium-temperature section refrigeration component and the low-temperature section refrigeration component, and each group of cold liquid supply components is connected with a cold liquid inlet hole of each refrigeration module liquid cooling cavity in the refrigeration component of the same temperature section and conveys cooling liquid into the cold liquid inlet hole; the three groups of electric quantity adjusting components respectively correspond to the high-temperature section refrigerating component, the medium-temperature section refrigerating component and the low-temperature section refrigerating component, and each group of electric quantity adjusting components is connected with a power supply circuit of each refrigerating piece in the refrigerating component at the same temperature section to adjust the power supply quantity; the three groups of temperature measuring components respectively correspond to the high-temperature section refrigerating assembly, the medium-temperature section refrigerating assembly and the low-temperature section refrigerating assembly, each group of temperature measuring components is connected with the temperature guide sheet of each refrigerating module in the refrigerating assembly at the same temperature section, and the temperature of fluid passing through the temperature guide sheet is monitored; and the temperature control component is in communication connection with the three temperature measurement components, the three electric quantity adjusting components and the three cold liquid supply components, controls the flow of the cold liquid conveyed by the corresponding cold liquid supply component based on the set temperature and the monitoring temperature received from each temperature measurement component, and controls the corresponding electric quantity adjusting components to adjust the power supply quantity.
The beneficial effects of this preferred feature are: the high-temperature section refrigeration assembly, the medium-temperature section refrigeration assembly and the low-temperature section refrigeration assembly are respectively controlled by temperature control members to adjust the refrigerating capacity of the refrigeration piece and the flow of cold liquid entering the liquid inlet hole according to the temperature of the refrigeration piece, so that high-precision refrigeration temperature control can be realized; by utilizing the characteristics of small thermal inertia and large temperature difference of the refrigerating sheet and controlling the sensitive and quick electric quantity of the temperature control component, the set temperature can be maintained well even under the condition that the temperature of the tar conveyed by the conveying pipeline has large change.
Preferably, the efficient tar cooling and collecting device based on the temperature guide fins according to the present invention may further include: the setting of the temperature includes: high temperature section set temperature T1Middle temperature section set temperature T2And a low temperature section set temperature T3，T1＜T2＜T3。
Preferably, the efficient tar cooling and collecting device based on the temperature guide fins according to the present invention may further include: t is1＝0～10℃，T2＝-20～0℃，T3The effect is better when the temperature is between-50 and-20 ℃.
Preferably, the efficient tar cooling and collecting device based on the temperature guide fins according to the present invention may further include: the outer edge area of each refrigeration module is alternately provided with a plurality of module mounting holes which extend along the axial direction and are used for connecting the refrigeration modules and a plurality of external connecting mounting holes which are used for connecting the pipeline connecting modules or external pipelines.
Drawings
FIG. 1 is a schematic structural diagram of a tar high-efficiency cooling and collecting device based on temperature-conducting fins according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a pipe connection module according to an embodiment of the present invention;
FIG. 3 is an exploded view of a pipe connection module according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of a pipe connection module according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of the connection between a tar conveying pipe and a pipe connection module according to an embodiment of the present invention;
FIG. 6 is a schematic diagram showing the connection relationship between a tar conveying pipeline, a pipeline connection module and a high-temperature section refrigeration module according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a high temperature section refrigeration module according to an embodiment of the present invention;
FIG. 8 is a cross-sectional view of a hot leg refrigeration module according to an embodiment of the present invention;
FIG. 9 is an exploded view of a hot leg refrigeration module according to an embodiment of the present invention;
FIG. 10 is an exploded view of a hot leg liquid cooled block according to an embodiment of the present invention;
FIG. 11 is a schematic structural diagram of a high-temperature stage liquid cooling seat according to an embodiment of the present invention;
fig. 12 is a schematic structural view of a high-temperature-stage thermal conductive sheet according to an embodiment of the present invention, wherein (a) is a front view and (b) is a perspective view;
FIG. 13 is a schematic structural view of a middle temperature segment heat conductive sheet according to an embodiment of the present invention, wherein (a) is a front view and (b) is a perspective view;
fig. 14(a) is a schematic structural view of a low-temperature-range thermal conductive sheet according to an embodiment of the present invention, wherein (a) is a front view and (b) is a perspective view;
FIG. 15 is a schematic structural view of a connector according to an embodiment of the present invention;
fig. 16 is a schematic diagram illustrating a correspondence relationship between a high-temperature-stage refrigeration assembly, a medium-temperature-stage refrigeration assembly, and a low-temperature-stage refrigeration assembly, and an electric quantity adjustment member and a temperature control member according to an embodiment of the present invention;
fig. 17 is a schematic view of a connection relationship between two high-temperature-stage refrigeration modules and a temperature measuring member, a cold liquid supply member, an electric quantity adjusting member, and a temperature control member according to an embodiment of the present invention.
Detailed Description
The tar high-efficiency cooling and collecting device based on the temperature conduction fins according to the present invention will be explained in detail with reference to the attached drawings.
< example >
As shown in fig. 1 to 15, the high-efficiency tar cooling and collecting device 10 based on the temperature-conducting fins is communicated with a tar conveying pipeline T, condenses the high-temperature pyrolysis gas conveyed from the pipeline T, and collects the liquefied tar. The tar high-efficiency cooling and collecting device 10 based on the heat conduction fins comprises a pipeline connection module 20, a high-temperature section refrigerating assembly 30, a medium-temperature section refrigerating assembly 40, a low-temperature section refrigerating assembly 50, three groups of temperature measurement components 60, three groups of cold liquid supply components 70, three groups of electric quantity adjusting components 80 and a temperature control component 90.
As shown in fig. 1 to 5, the two ends of the pipe connection module 20 are respectively connected with the pipe orifice of the tar conveying pipe T and the fluid channel inlet of the high-temperature section refrigerating module 31 in a sealing manner, and it includes a first connection pipe seat 21, a sealing member 22, a second connection pipe seat 23 and a fastening member. The first connecting tube seat 21 is sleeved on the outer peripheral surface of the tube opening, and the bottom extends along the radial direction and expands outwards to form a first mounting disc 21 a. The sealing member 22 is disposed in the first connecting tube base 21 and fitted over the outer peripheral surface of the tube opening. In this embodiment, the sealing member 22 includes two sealing rings 22a and a gasket 22b, the two sealing rings 22a are sleeved on the inner peripheral surface of the first connecting pipe seat 21, and the gasket 22b is located between the two sealing rings 22 a. The front part of the second connecting pipe seat 23 is ring-shaped, and it extends into the first connecting pipe seat 21 and is pressed on the sealing ring 22a, and by pressing against the sealing ring 22a, the gasket 22b further presses against the other sealing ring 22a, so that the two sealing rings 22a are both deformed circumferentially and sealed and tightly attached to the outer wall of the pipe orifice. The outer periphery of the middle part of the second connecting pipe seat 23 extends along the radial direction and expands outwards to form a second mounting disc 23a corresponding to the first mounting disc 21a, and the bottom of the second connecting pipe seat 23 is provided with an outlet 23b matched with and communicated with the inlet of the fluid channel of the high-temperature section refrigeration module 31 in a sealing way. Furthermore, as shown in fig. 4 to 6, the pipe diameter of the middle part of the second connecting pipe seat 23 is the same as the pipe diameter of the tar conveying pipe T, the pipe diameter of the rear part of the second connecting pipe seat 23 is the same as the inner diameter of the fluid passage inlet of the high-temperature section refrigerating module 31, and the inner diameter of the second connecting pipe seat 23 gradually decreases from the middle part to the bottom part, and decreases from the pipe diameter of the tar conveying pipe T to the inner diameter of the high-temperature section refrigerating module 31. The fastening member is used to fasten the first mounting plate 21a and the second mounting plate 23 a. In this embodiment, the fastening members are three sets of screw fastening members, which are matched with three sets of screw holes 24 formed on the first connecting pipe seat 21 and the second connecting pipe seat 23, and the first connecting pipe seat 21 and the second connecting pipe seat 23 are fastened and connected through the screw holes 24.
As shown in fig. 1, the hot leg refrigeration assembly 30 includes two connected hot leg refrigeration modules 31. Each high-temperature section refrigerating module 31 comprises two high-temperature section liquid cooling blocks 311, two high-temperature section refrigerating sheets 312, a high-temperature section heat conducting sheet 313 and four sealing rings 314-317.
The high-temperature stage liquid-cooling block 311 includes a liquid-cooling cover 3111 and a liquid-cooling seat 3112. The liquid-cooled cover 3111 has a through hole 3111a (inlet) in the middle for fluid to pass through, the liquid-cooled cover 3111 has two rings of mounting grooves 3111b and 3111c on the inner surface, the mounting groove 3111b is disposed on the rear end of the through hole 3111a, and the mounting groove 3111c is disposed around the outer edge of the liquid-cooled groove 3112 b. As shown in fig. 6 to 11, a flow passage 3112a (flow guide) corresponding to the flow hole 3111a is disposed in the middle of the liquid-cooled seat 3112, a liquid-cooled tank 3112b is formed by recessing the peripheral region of the flow passage 3112a, a liquid inlet hole 3112c (cold liquid inlet hole) and a liquid outlet hole 3112d (cold liquid outlet hole) penetrating the outer wall of the liquid-cooled seat 3112 are disposed in the liquid-cooled tank 3112b, and a support tube 3112e is formed by extending the rear end of the flow passage 3112a out of the bottom wall of the liquid-cooled tank 3112 b. As shown in fig. 11, two rings of mounting grooves 3112f and 3112g are provided at the front end of the flow passage 3112a and the front end of the liquid-cooling tank 3112b of the liquid-cooling seat 3112, respectively, and the mounting grooves 3112f and 3112g are fitted to the mounting grooves 3111b and 3111c, respectively, for mounting the seal rings.
As shown in fig. 6 to 10, the high-temperature section cooling plate 312 is annular and is fitted over the outer peripheral surface of the support tube 3112e, and its hot surface is in contact with the outer side surface of the bottom wall of the liquid cooling tank 3112b, and its cold surface is in contact with the high-temperature section heat conducting plate 313. The contact surfaces of the high-temperature section refrigerating sheet 312 and the liquid cooling groove 3112b and the contact surfaces of the high-temperature section refrigerating sheet 312 and the high-temperature section heat conducting sheet 313 are coated with heat conducting silicone grease with high heat conductivity, the coated heat conducting silicone grease can effectively reduce the interface heat resistance and increase the heat conductivity, on one hand, the high-temperature section heat conducting sheet 313 can maintain a lower temperature, on the other hand, the heat of the hot surface is also transferred out in time, and therefore efficient refrigeration of the high-temperature section refrigerating sheet 312 is guaranteed.
The sealing ring 314 is interposed between the mounting grooves 3111b and 3112f and the sealing ring 315 is interposed between the mounting grooves 3111c and 3112g, so that when the liquid-cooling cover 3111 is closed on the liquid-cooling seat 3112, a sealed liquid-cooling chamber is enclosed with the liquid-cooling groove 3112b, and the circulation hole 3111a and the flow passage 3112a form a sealed fluid passage P.
The seal ring 316 is disposed between the rear end of the support pipe 3112e and the high-temperature-stage heat-conductive sheet 313. As shown in fig. 10, the packing 316 is installed in an installation groove at the rear end of the support pipe 3112 e.
In addition, a circle of mounting groove 3111d is further arranged on the outer side surface of the liquid cooling cover 3111, is positioned at the front end of the circulating hole 3111a, is matched with the mounting groove arranged at the outer edge of the outlet 23b at the bottom of the second connecting pipe seat 23, and is used for clamping the sealing ring 317 together to realize sealing connection; in addition, when the two high-temperature stage refrigeration modules 31 are interconnected, the sealing ring 317 may be sandwiched between the liquid cooling covers 3111 of the two high-temperature stage refrigeration modules 31 to perform a sealing function.
As shown in fig. 6 to 9, the high-temperature-stage heat conducting plate 313 is located between the high-temperature-stage cooling plates 312 of the two high-temperature-stage liquid cooling blocks 311, and is respectively closely attached to the cooling surfaces of the two high-temperature-stage cooling plates 312. As shown in fig. 12, the middle of the high-temperature-stage heat conducting plate 313 is provided with a high-temperature-stage heat conducting area 313a hermetically communicated with the support pipe 3112e, which plays a role of heat conducting and shunting, and conducts the cold energy from the cooling plate to the high-temperature fluid for cooling. The high-temperature section heat conduction region 313a comprises a plurality of high-temperature section heat conduction fins 313a-1 which are arranged in parallel, each high-temperature section heat conduction fin 313a-1 is of a strip-shaped structure, and strip-shaped high-temperature section outflow ports 313a-2 for allowing fluid to pass are formed between every two adjacent high-temperature section heat conduction fins 313 a-1; in this embodiment, let the inside diameter of the high-temperature-stage cooling plate 312 be R0The width of the high-temperature section heat conduction fin 313a-1 is W1A thickness of1Thermal convection coefficient of h1A coefficient of thermal conductivity of λ1For optimum heat transfer, these parameters should satisfy W1≤R0/2，
Figure GDA0002629363600000091
1/2<ω<1。
In addition, two side surfaces of the high-temperature section heat conducting sheet 313 are respectively provided with an annular sealing groove 313c which is hermetically connected with the two high-temperature section liquid cooling blocks 311, and the annular sealing groove 313c is matched with a mounting groove at the rear end of the support pipe 3112e to jointly clamp a sealing ring 316. The side wall of the high-temperature stage heat-conducting piece 313 is further provided with an installation groove 313d extending toward the high-temperature stage heat-conducting area 313 a.
In addition, in order to facilitate the disassembly and assembly of each high-temperature-stage refrigeration module 31, so as to collect tar condensed on the inner wall or clean and maintain the high-temperature-stage refrigeration module 31, two first mounting holes a1, four second mounting holes a2 and two third mounting holes A3 extending along the axial direction of the fluid passage P are respectively provided on the liquid cooling cover 3111 and the liquid cooling seat 3112. All the first fitting holes a1 are provided around the fluid passage P and located in the vicinity of the outer side of the fluid passage P, and the flow passage hole 3111a is sealingly pressed into connection with the flow passage 3112a through the first fitting hole a1 and the first connection piece B1 shown in fig. 15. All the second mounting holes a2 are disposed around the liquid cooling chamber and located near the outside of the liquid cooling chamber, and the liquid cooling cover 3111 is press-fitted in a sealed manner to the liquid cooling tank 3112B through the second mounting holes a2 and the second connection member B2 shown in fig. 15. All the third mounting holes A3 are provided in the peripheral regions of the liquid-cooled cover 3111 and the liquid-cooled base 3112, and the liquid-cooled cover 3111 and the liquid-cooled base 3112 are fastened to the liquid-cooled base 3112 by the third mounting holes A3 and the third connecting member B3 shown in fig. 15, so that the two support pipes 3112e are sealingly pressed against the two side surfaces of the high-temperature-stage heat conductive sheet 313. As shown in fig. 15, in the present embodiment, the first connector B1, the second connector B2, and the third connector B3 are all stainless steel hexagonal screw connectors.
Further, in order to realize the detachable connection among the plurality of high temperature section refrigeration modules 31, and to enable the high temperature section refrigeration module 31 to be detachably connected with the pipe connection module 20 and the middle temperature section refrigeration assembly 40. Twelve fourth mounting holes a4 are provided in the outer edge regions of the liquid-cooled cover 3111 and the liquid-cooled base 3112; thus, the plurality of high temperature stage refrigeration modules 31 can be detachably and hermetically connected to each other through the fourth mounting holes a4 and the fourth connecting members B4 shown in fig. 15. Correspondingly, a plurality of fourth mounting holes a4 matched with the high-temperature section refrigeration modules 31 are also formed in the outer edge areas of the first mounting plate 21a and the second mounting plate 23 a; connecting the liquid-cooled cover 3111 and the liquid-cooled seat 3112 to the pipe connection module 20 through the fourth mounting hole a4 and a fourth connection B4 as shown in fig. 15; or the liquid cooling cover 3111 and the liquid cooling seat 3112 may be connected to other external pipes. As shown in fig. 15, in the present embodiment, the fourth connector B4 is a bolt-and-nut connector, and the bolt is a stainless double-headed bolt.
As shown in fig. 9, the left and right high-temperature stage liquid-cooling blocks 311 are respectively referred to as a first high-temperature stage liquid-cooling block 311 and a second high-temperature stage liquid-cooling block 311, and the third mounting hole A3 includes two counter bores A3-1 provided on the liquid-cooling cover 3111 and the liquid-cooling seat 3112 of the first high-temperature stage liquid-cooling block 311, and a threaded hole A3-2 provided on the liquid-cooling seat 3112 of the second high-temperature stage liquid-cooling block 311. As before, the first high-temperature stage cooling block 311 and the second high-temperature stage cooling block 311 have only the difference of the third mounting hole A3, and the rest of the structure including the first mounting hole a1, the second mounting hole a2 and the fourth mounting hole a4 are all the same.
As shown in fig. 1, the middle temperature stage cooling assembly 40 includes three middle temperature stage cooling modules 41 connected in series. The middle-temperature section refrigeration module 41 has the same structure as the high-temperature section refrigeration module 31, and the difference is only the structure of the temperature conducting area in the temperature conducting sheet, and the description of the same contents is omitted here, and only the difference is explained: as shown in fig. 13, in the middle-temperature-section refrigeration module 41, a plurality of middle-temperature-section heat-conducting fins 413a-1 parallel to each other are arranged on the middle-temperature-section heat-conducting region 413a, the bottom end of each middle-temperature-section heat-conducting fin 413a-1 extends to one side edge of the middle-temperature-section heat-conducting region 413a, the top end is a certain distance away from the other side edge of the middle-temperature-section heat-conducting region 413a, and correspondingly, middle-temperature-section outflow ports a-2 formed between the middle-temperature-section heat-conducting fins 413a-1 are mutually communicated to form a back-and-forth bent S shape, so that the heat exchange efficiency at the top end of the middle-temperature-section heat-conducting fin 413a-1 is far greater than that of plane direct contact, the heat exchange area is more reasonably; meanwhile, the design of the suspended top end of the middle-temperature section heat conduction fin 413a-1 can also avoid excessive tar from being condensed at the edge with lower temperature, so that the further tar leaching and collecting efficiency is ensured. In this embodiment, the width of the middle temperature stage heat-conducting fin 413a-1 is set as W2And the distance from the center of the top end of the middle-temperature section heat conduction fin 413a-1 to the side edge of the middle-temperature section heat conduction area is A, then A: w2＝1：1～1.5。
The low-temperature section refrigeration assembly 50 includes seven sequentially connected low-temperature section refrigeration modules 51. The low-temperature section refrigeration module 51 has the same structure as the high-temperature section refrigeration module 31, and the difference is only the structure of the temperature conducting area in the temperature conducting sheet, and the same contents are not repeated here, and only the difference is explained: as shown in fig. 14, in the low temperature stage refrigeration module 51, the low temperature stage heat conducting area 513a includes a plurality of low temperature stage heat conducting fins 513a-1 which are uniformly distributed along the circumferential direction and radially extend from the axis, the tops of all the low temperature stage heat conducting fins 513a-1 are connected, and a low temperature stage for passing the fluid is formed between the adjacent low temperature stage heat conducting fins 513a-1The outflow port 513a-2, and each low-temperature section outflow port 513a-2 is fan-shaped; each low-temperature stage outflow port 513a-2 is further provided with an auxiliary heat conduction fin 513a-3, the auxiliary heat conduction fin 513a-3 extends from the bottom of the low-temperature stage outflow port 513a-2 to the axis, and the extension length of the auxiliary heat conduction fin 513a-3 is set to be l2The length of the low-temperature section heat conduction fin 513a-1 is L2Then l is2：L21-2: 3. In this embodiment, the central angle of the low temperature stage outflow port 513a-2 is 30 °, and the distance B from the top end of the low temperature stage outflow port 513a-2 to the central axis of the medium temperature stage thermal conduction region is equal to L2/6～L2/4. The low-temperature section heat conduction fins 513a-1, the low-temperature section outflow port 513a-2 and the auxiliary heat conduction fins 513a-3 formed in the low-temperature section heat conduction region 513a ensure efficient air flow passing and heat transfer of the fins and the fins on the one hand, and can also ensure a sufficient contact area on the other hand.
In addition, in order to optimize the temperature conduction effect of the whole tar high-efficiency cooling and collecting device 10 based on the temperature conduction fins, in the high-temperature section refrigeration assembly 30, the high-temperature section temperature conduction regions 313a of the adjacent high-temperature section temperature conduction sheets 313 are arranged in a staggered manner (that is, the outflow ports of the adjacent temperature conduction sheets are not opposite to each other, but are staggered with each other); in the middle-temperature-section refrigeration assembly 40, the middle-temperature-section heat conduction areas 413a of the adjacent middle-temperature-section heat conduction sheets 413 are arranged in a staggered manner; likewise, in the low temperature stage cooling module 50, the low temperature stage heat conduction regions 513a of the adjacent low temperature stage heat conduction fins 513 are arranged offset from each other. Also, the width of the high temperature stage outflow port 313a-2 should be greater than the width of the middle temperature stage outflow port 413a-2, and the width of the middle temperature stage outflow port 413a-2 should be greater than the width of the low temperature stage outflow port 513 a-2.
The three groups of temperature measuring components 60 respectively correspond to the high-temperature section refrigerating assembly 30, the middle-temperature section refrigerating assembly 40 and the low-temperature section refrigerating assembly 50, each group of temperature measuring components 60 is connected with the temperature guide sheet of each refrigerating module in the refrigerating assembly at the same temperature section, and the temperature of fluid passing through the temperature guide sheet is monitored. As shown in fig. 17, the temperature measuring member 60 is connected to one high-temperature-stage heat conducting piece 313 in the high-temperature-stage refrigeration assembly 30, and the sensing end of the temperature measuring member 60 is arranged in the mounting groove 313d of the high-temperature-stage heat conducting piece 313; in this embodiment, the temperature measuring member 60 is a screw thermocouple model M3 PT 100K, and the screw sensing end can be screwed into the mounting groove 313d (with internal threads). The structure of each of the other temperature measuring members 60 and the connection relationship between the other temperature measuring members and the corresponding temperature conductive sheet are the same, and are not described herein again.
The three groups of cold liquid supply components 70 respectively correspond to the high-temperature section refrigeration component 30, the middle-temperature section refrigeration component 40 and the low-temperature section refrigeration component 50, and each group of cold liquid supply components 70 is connected with the liquid cooling cavity of each refrigeration module in the refrigeration component at the same temperature section and conveys cooling liquid into the liquid cooling cavity. As shown in fig. 17, is a cold fluid supply member 70 connected to the cold fluid inlet of the cold chamber of one of the hot stage cold block 311 in the hot stage refrigeration assembly 30. A cold liquid supply member 70 connected to each of the liquid inlet holes 3112c for supplying a cold liquid into the liquid inlet holes 3112c, wherein the cold liquid supply member 70 includes a liquid guide tube 71, a heat dissipation fan 72, a liquid storage tank 73 and a micro pump 74; the inlet of the liquid guide pipe 71 is connected with the liquid outlet hole 3112d, the cooling fan 72 cools the cold liquid entering the liquid guide pipe 71, and the cooled cold liquid enters the liquid storage bin 73 and is conveyed into the liquid inlet hole 3112c by the micro pump 74. The structure of each of the other cooling liquid supply members 70 and the connection relationship thereof with the cooling liquid chamber are the same, and will not be described herein.
The three groups of electric quantity adjusting components 80 correspond to the high-temperature section refrigerating assembly 30, the medium-temperature section refrigerating assembly 40 and the low-temperature section refrigerating assembly 50 respectively, and each group of electric quantity adjusting components 80 is connected with a power supply circuit of each refrigerating piece in the refrigerating assembly at the same temperature section to adjust the power supply quantity.
The temperature control member 90 is in communication connection with the three sets of temperature measurement members 60, the three sets of cold liquid supply members 70, and the three sets of electric quantity adjustment members 80, and controls the flow rate of the cold liquid delivered by the corresponding cold liquid supply member 70 based on the set temperature and the monitored temperature received from each set of temperature measurement members 60, and controls the corresponding electric quantity adjustment member 80 to adjust the power supply quantity. Here, the temperature control member 90 will be described by taking, as an example, the temperature measuring member 60, the cooling liquid supply member 70, and the electric quantity adjusting member 80 connected to the high-temperature-stage refrigeration unit 30: as shown in FIG. 17, the temperature control member 90 is in communication with the temperature measuring member 60, is connected to each high-temperature-section cooling plate 312 and each liquid inlet hole 3112c, receives the monitored temperature of the temperature measuring member 60, and is based on the monitored temperatureAnd the set temperature controls the refrigerating capacity of the high-temperature section refrigerating plate 312 and the flow rate of the cold liquid entering the liquid inlet hole 3112 c. The temperature control member 90 includes an input display section 91 and a control section 92. The input display unit 91 is used for inputting control instruction information and a set temperature, and displays the set temperature and a received monitored temperature. The control part 92 receives the monitored temperature of the temperature measuring member 60, and controls the electric quantity adjusting part to adjust the electric power supply quantity of the high-temperature stage refrigerating sheet 312 or the cold liquid supply member 70 to adjust the flow quantity of the cold liquid inputted to the liquid inlet port 3112c based on the monitored temperature and the set temperature. The connection and control relationship of the temperature control member 90 for each temperature measurement member 60, three sets of electric quantity adjustment members 80 and the cold liquid supply member 70 corresponding to the middle-temperature-section refrigeration assembly 40 and the low-temperature-section refrigeration assembly 50 are the same, and are not described herein again. In the present embodiment, the high temperature section sets the temperature T1The temperature is set to be 0-10 ℃ in the middle temperature section2At a low temperature of-20 to 0 ℃, and a set temperature T3＝-50～-20℃。
In addition, in the present embodiment, as shown in fig. 16, in the high-temperature-stage refrigeration module 31, the axes (depth direction) of the liquid inlet hole 3112c and the liquid outlet hole 3112d of the two high-temperature-stage liquid-cooling blocks 311 and the mounting groove 313d on the high-temperature-stage heat conducting piece 313 are located on the same plane, and for the medium-temperature-stage refrigeration module 41 and the low-temperature-stage refrigeration module 51, the axes (depth direction) of the liquid inlet hole, the liquid outlet hole and the mounting groove on the heat conducting piece are also located on the same plane, so that the coplanar arrangement can reduce the space required for assembly to the maximum extent. In the present embodiment, all the seal rings are fluororubber seal rings.
The above is the specific structure of the high-efficient cooling collection device 10 of tar based on heat conduction fin that this embodiment provided, and based on the above-mentioned structure, its working process is: first, a set temperature (high temperature stage set temperature T) is inputted through the temperature control means 901Is 0 to 10 ℃, and the set temperature T of the medium temperature section2Is-20 to 0 ℃, and the set temperature T of the low temperature section3Is-50 to-20 ℃), the refrigeration sheets of each temperature section are regulated and controlled to generate refrigeration capacity, simultaneously three groups of cold liquid supply components 70 are started, cold liquid is introduced into the liquid cooling cavities for circulation, the heat of the hot surfaces of the refrigeration sheets is continuously taken away, and the cold surfaces can continuously produce refrigerationCooling; then, the high-temperature pyrolysis gas in the warm fluid conveying pipeline T enters the pipeline connecting module 20 and further enters the high-temperature section refrigerating module 31; the cold quantity on the cold surface of the high-temperature section refrigerating sheet 312 is continuously transmitted to the liquid-cooling seat 3112 and the high-temperature section heat-conducting sheet 313, and is combined with the liquid cooling effect of the liquid-cooling cavity, so that tar in the high-temperature pyrolysis gas in the high-temperature section heat-conducting area 313a of the high-temperature section heat-conducting sheet 313 is rapidly cooled and condensed through the fluid channel P; then, the temperature is gradually reduced and condensed by the three middle-temperature section refrigeration modules 41 and the seven low-temperature section refrigeration modules 41, so that the tar is efficiently condensed and collected in a large amount.
Through the process, tar can be effectively collected, and meanwhile, the pipeline connecting module 20 and the high-temperature section refrigerating module 31 can be flexibly matched with various tar collecting requirements. The temperature measuring member 60 and the temperature control member 90 can ensure that the set tar collecting temperature is well maintained even under the condition that the temperature of the pyrolysis process has large variation.
The above embodiments are merely illustrative of the technical solutions of the present invention. The tar high-efficiency cooling and collecting device based on the temperature-guiding fins according to the present invention is not limited to the structure described in the above embodiments, but is subject to the scope defined by the claims. Any modification or supplement or equivalent replacement made by the person skilled in the art on the basis of the present invention is within the scope of the claims of the present invention.

Claims (9)

1. The utility model provides a high-efficient cooling collection device of tar based on lead temperature fin which characterized in that includes:
the front end inlet of the pipeline connecting module is communicated with the pipe orifice of the tar conveying pipeline in a sealing way;
high temperature section refrigeration subassembly, with the sealed intercommunication of pipeline connection module's rear end export, including a plurality of consecutive high temperature section refrigeration modules, every high temperature section refrigeration module contains: the device comprises two high-temperature section liquid cooling blocks, two high-temperature section refrigerating sheets and a high-temperature section heat conducting sheet; two side surfaces of the high-temperature section liquid cooling block are respectively provided with a high-temperature section leading-in port matched with a rear end outlet of the pipeline connecting module and a high-temperature section supporting pipe matched with the high-temperature section leading-in port, the middle part of the high-temperature section liquid cooling block is provided with a high-temperature section flow guide channel hermetically communicated with the high-temperature section leading-in port and the high-temperature section supporting pipe, the peripheral area of the high-temperature section flow guide channel is sunken towards the thickness direction to form a high-temperature section liquid cooling cavity, and the side wall of the high-temperature section liquid cooling cavity is provided; the two high-temperature section refrigerating sheets are respectively sleeved on the peripheral surfaces of the two high-temperature section supporting pipes, and hot surfaces of the two high-temperature section refrigerating sheets are respectively in contact with the outer side surfaces of the bottom walls of the two high-temperature section liquid cooling cavities in a fitting manner; two side surfaces of the high-temperature section heat conducting sheet are respectively attached to the cold surfaces of the two high-temperature section refrigerating sheets, a high-temperature section heat conducting area communicated with the high-temperature section supporting tube in a sealing mode is arranged in the middle of the high-temperature section heat conducting sheet, the high-temperature section heat conducting area comprises a plurality of high-temperature section heat conducting fins arranged in parallel, and a high-temperature section outflow port allowing fluid to pass through is formed between every two adjacent high-temperature section heat conducting fins;
the middle temperature section refrigeration assembly is communicated with the fluid outlet of the high temperature section refrigeration assembly in a sealing manner and comprises a plurality of middle temperature section refrigeration modules which are sequentially connected, and each middle temperature section refrigeration module comprises: two middle-temperature section liquid cooling blocks, two middle-temperature section refrigerating sheets and a middle-temperature section temperature conducting sheet; two side surfaces of the middle-temperature section liquid cooling block are respectively provided with a middle-temperature section leading-in port matched with the front end inlet and a middle-temperature section supporting tube matched with the middle-temperature section leading-in port, the middle part of the middle-temperature section liquid cooling block is provided with a middle-temperature section flow guide channel hermetically communicated with the middle-temperature section leading-in port and the middle-temperature section supporting tube, the peripheral area of the middle-temperature section flow guide channel is sunken towards the thickness direction to form a middle-temperature section liquid cooling cavity, and the side wall of the middle-temperature section liquid cooling cavity is provided with a liquid cooling inlet hole and a liquid cooling; the two middle-temperature section refrigerating pieces are respectively sleeved on the peripheral surfaces of the two middle-temperature section supporting tubes, and hot surfaces of the two middle-temperature section refrigerating pieces are respectively in contact with the outer side surfaces of the bottom walls of the two middle-temperature section liquid cooling cavities in a fitting manner; two side surfaces of the middle-temperature section heat conducting fins are respectively attached to the cold surfaces of the two middle-temperature section refrigerating fins, a middle-temperature section heat conducting area communicated with the middle-temperature section supporting tube in a sealing mode is arranged in the middle of the middle-temperature section heat conducting area, a plurality of middle-temperature section heat conducting fins which are parallel to each other are arranged on the middle-temperature section heat conducting area, one end of each middle-temperature section heat conducting fin extends to one side edge of the middle-temperature section heat conducting area, the other end of each middle-temperature section heat conducting fin is a certain distance away from the other side edge of the middle-temperature section heat conducting area, and a middle-temperature section outflow port allowing fluid to pass through is formed between every two adjacent middle; and
low temperature section refrigeration subassembly, with the sealed intercommunication of the fluid outlet of middle temperature section refrigeration subassembly, including a plurality of consecutive low temperature section refrigeration modules, every the low temperature section refrigeration module contains: the device comprises two low-temperature section liquid cooling blocks, two low-temperature section refrigerating sheets and a low-temperature section temperature conducting sheet; two side surfaces of the low-temperature section liquid cooling block are respectively provided with a low-temperature section introducing port matched with the front end inlet and a low-temperature section supporting pipe matched with the low-temperature section introducing port, the middle part of the low-temperature section liquid cooling block is provided with a low-temperature section flow guide channel hermetically communicated with the low-temperature section introducing port and the low-temperature section supporting pipe, the peripheral area of the low-temperature section flow guide channel is sunken towards the thickness direction to form a low-temperature section liquid cooling cavity, and the side wall of the low-temperature section liquid cooling cavity is provided with a cold liquid inlet hole; the two low-temperature section refrigerating pieces are respectively sleeved on the peripheral surfaces of the two low-temperature section supporting pipes, and hot surfaces of the two low-temperature section refrigerating pieces are respectively in contact with the outer side surfaces of the bottom walls of the two low-temperature section liquid cooling cavities in a fitting manner; two side surfaces of the low-temperature section heat conducting fins are respectively attached to the cold surfaces of the two low-temperature section refrigerating fins, a low-temperature section heat conducting area communicated with the low-temperature section supporting tube in a sealing mode is arranged in the middle of the low-temperature section heat conducting area, the low-temperature section heat conducting area comprises a plurality of low-temperature section heat conducting fins which are evenly distributed along the circumferential direction and extend from the axis to the outside in a radiation mode, and a low-temperature section outflow port allowing fluid to pass through is formed between every two adjacent low-temperature section heat conducting fins.
2. The efficient cooling and collecting device for tar based on the temperature conduction fins as claimed in claim 1, is characterized in that:
wherein in the high-temperature section refrigerating assembly, the high-temperature section heat conducting areas of the adjacent high-temperature section heat conducting sheets are arranged in a staggered way,
in the middle-temperature section refrigerating assembly, the middle-temperature section heat conducting areas of the adjacent middle-temperature section heat conducting sheets are arranged in a staggered way,
in the low-temperature section refrigeration assembly, the low-temperature section heat conduction areas of the adjacent low-temperature section heat conduction sheets are arranged in a staggered mode.
3. The efficient cooling and collecting device for tar based on the temperature conduction fins as claimed in claim 1, is characterized in that:
wherein, in the middle temperature section refrigeration component, the width of the middle temperature section heat conduction fin is set as W2And the distance from the center of the other end of the middle-temperature section heat-conducting fin to the other side edge of the middle-temperature section heat-conducting area is A, then A: w2＝1：1～1.5。
4. The efficient cooling and collecting device for tar based on the temperature conduction fins as claimed in claim 1, is characterized in that:
wherein, in the low temperature section refrigeration subassembly, still evenly be equipped with a plurality of supplementary temperature fins of leading on the low temperature section temperature conduction region, every supplementary temperature fin setting is in adjacent two low temperature section temperature fins of leading to extend towards the axle center from the bottom, establish supplementary extended length who leads the temperature fin is l2The length of the low-temperature section heat conduction fin is L2Then l is2：L2＝1～2:3。
5. The efficient cooling and collecting device for tar based on the temperature conduction fins as claimed in claim 4, is characterized in that:
in the low-temperature section refrigeration assembly, the low-temperature section outflow port is fan-shaped, the central angle is 10-30 degrees, and the distance B between the top end of the low-temperature section outflow port and the axis of the medium-temperature section heat conduction area is equal to L2/6～L2/3。
6. The efficient cooling and collecting device for tar based on the temperature conduction fins as claimed in claim 1, is characterized in that:
wherein, it is assumed that the high temperature section refrigeration component contains N1The high-temperature section refrigeration module and the medium-temperature section refrigeration assembly comprise N2The middle-temperature section refrigeration module and the low-temperature section refrigeration assembly comprise N3A low as statedTemperature zone refrigeration module, then N1：N2：N3＝2：3～5：6～9。
7. The efficient cooling and collecting device for tar based on the temperature conduction fins as claimed in claim 1, is characterized in that:
wherein, the width of the outflow port of the high temperature section is larger than the width of the outflow port of the medium temperature section, and the width of the outflow port of the medium temperature section is larger than the outflow port of the low temperature section.
8. The efficient cooling and collecting device for tar based on the temperature guiding fins according to claim 1, further comprising:
the three groups of cold liquid supply components are respectively corresponding to the high-temperature section refrigeration component, the medium-temperature section refrigeration component and the low-temperature section refrigeration component, and each group of cold liquid supply components is connected with a cold liquid inlet hole of each refrigeration module liquid cooling cavity in the refrigeration component of the same temperature section and conveys cooling liquid into the cold liquid inlet hole;
the three groups of electric quantity adjusting components correspond to the high-temperature section refrigerating component, the medium-temperature section refrigerating component and the low-temperature section refrigerating component respectively, and each group of electric quantity adjusting components is connected with a power supply circuit of each refrigerating piece in the refrigerating component in the same temperature section to adjust the power supply quantity;
the three groups of temperature measuring components respectively correspond to the high-temperature section refrigerating assembly, the medium-temperature section refrigerating assembly and the low-temperature section refrigerating assembly, each group of temperature measuring components is connected with the temperature guide sheet of each refrigerating module in the refrigerating assembly at the same temperature section, and the temperature of fluid passing through the temperature guide sheet is monitored; and
and the temperature control component is in communication connection with the three temperature measuring components, the three electric quantity adjusting components and the three cold liquid supply components, controls the flow of the cold liquid conveyed by the corresponding cold liquid supply component based on the set temperature and the monitoring temperature received from each temperature measuring component, and controls the corresponding electric quantity adjusting components to adjust the power supply quantity.
9. The efficient cooling and collecting device for tar based on the temperature conduction fins as claimed in claim 1, is characterized in that:
the outer edge area of each refrigeration module is alternately provided with a plurality of module mounting holes which extend along the axial direction and are used for connecting the refrigeration modules and a plurality of external connecting mounting holes which are used for connecting the pipeline connecting modules or external pipelines.
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008106454A1 (en) * 2007-02-26 2008-09-04 Blentech Corporation Continuous food product cooling system
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CN205784091U (en) * 2016-06-22 2016-12-07 天津市紫航模具有限公司 A kind of highly efficient cooling device of mould
CN106851864A (en) * 2017-03-01 2017-06-13 华中科技大学 A kind of two-part continuously adjustabe concentration photo-thermal device
CN108102673A (en) * 2017-12-20 2018-06-01 华中科技大学 A kind of biomass pyrolysis liquefaction polygenerations systeme
CN207659408U (en) * 2017-09-21 2018-07-27 新奥科技发展有限公司 Coal tar is segmented indirect condensing device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008106454A1 (en) * 2007-02-26 2008-09-04 Blentech Corporation Continuous food product cooling system
CN102433168A (en) * 2011-11-20 2012-05-02 华中科技大学 Condenser for laboratory
CN205784091U (en) * 2016-06-22 2016-12-07 天津市紫航模具有限公司 A kind of highly efficient cooling device of mould
CN106851864A (en) * 2017-03-01 2017-06-13 华中科技大学 A kind of two-part continuously adjustabe concentration photo-thermal device
CN207659408U (en) * 2017-09-21 2018-07-27 新奥科技发展有限公司 Coal tar is segmented indirect condensing device
CN108102673A (en) * 2017-12-20 2018-06-01 华中科技大学 A kind of biomass pyrolysis liquefaction polygenerations systeme

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