CN109536214B - Modularization accuse temperature tar collection device - Google Patents
Modularization accuse temperature tar collection device Download PDFInfo
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- CN109536214B CN109536214B CN201811593348.0A CN201811593348A CN109536214B CN 109536214 B CN109536214 B CN 109536214B CN 201811593348 A CN201811593348 A CN 201811593348A CN 109536214 B CN109536214 B CN 109536214B
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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
Abstract
The invention provides a modularized temperature-controlled tar collecting device, which comprises: a pipe connection module; a high-temperature section refrigerating assembly which comprises a plurality of high-temperature section refrigerating modules,the module comprises two high-temperature section liquid cooling blocks, two high-temperature section refrigerating sheets and a high-temperature section heat conducting sheet; the middle part of the high-temperature section heat conducting sheet is provided with a thick H1Is provided with an aperture D1The shunt hole of (2); 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; the middle part of the middle temperature section heat conducting sheet is provided with a thick H2Is provided with an aperture D2The shunt hole of (2); 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 pieces and a low-temperature section temperature guide piece; the middle part of the low-temperature section heat conducting sheet is provided with a thick H3Is provided with a plurality of apertures D3The shunt hole of (2), wherein D1>D2＞D3And H is1＜H2＜H3。
Description
Technical Field
The invention belongs to the field of tar cooling and collection, and particularly relates to a modularized temperature-control tar collecting device.
Background
At present, tar collection methods used in coal gasification or biomass gasification research mainly include a condensation method, a solvent absorption method, and a solid phase adsorption method.
Each of these methods has disadvantages:
1) the condensation method is a method which is widely used in research, and water, an ice-water mixture or liquid nitrogen is generally used as a condensation medium. The temperature of water is generally room temperature, the temperature of an ice-water mixture is generally close to zero, and the condensation effect of the two condensation media on tar components with dew points 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, most of the gas products are condensed while the tar is condensed, so that the gas loss is caused, and the gas collection and analysis are not facilitated;
2) the solution absorption method is also a common tar collection method, and as most of the components of tar are organic matters, the method usually adopts organic solvents such as acetone, dichloromethane, methanol, toluene and the like as tar absorption solvents, and utilizes condensation media such as ice water mixtures, ice brine and the like to enhance the tar absorption effect, but the tar components are extremely complex, and the different components have different solubilities in the organic solvents, so that the organic solvents show selective absorption to the different components in the tar, thereby being difficult to ensure the effective absorption of the tar; on the other hand, the used organic solvent has volatility, and the tar collecting effect is poor due to loss in the absorption process; in addition, the solution absorption method usually uses more absorption bottles, and the tar is separated and collected from the organic solvent in the later period more tedious;
3) the condensation method or the solution absorption method generally comprises the steps that an absorber is arranged in containers filled with a condensation medium, the containers generally have poor heat insulation effect, and the tar absorption efficiency is reduced due to the fact that the temperature of the condensation medium is increased in the tar absorption process; on the other hand, currently used condensing media are generally ice water, dry ice and liquid nitrogen, and the temperature of the condensing media can only be maintained at a specific temperature under the influence of the properties of the condensing media, so that the expansibility of the research on tar products is limited;
4) the key point of the tar adsorption effect of the solid-phase adsorption method is the adsorption performance of the adsorbent, and the commonly used solid-phase adsorbents are adsorbents with large specific surface areas such as active coke and molecular sieves, so that the tar adsorption effect is good, the tar needs to be recovered by thermal desorption, the operation process is complex, and the tar recovery rate is difficult to guarantee.
Disclosure of Invention
The invention is made to solve the above problems, and an object of the invention is to provide a modularized temperature-controlled tar collecting device, which can rapidly cool tar so as to efficiently collect the tar.
In order to achieve the purpose, the invention adopts the following scheme:
the invention provides a modularized temperature-control tar collecting device, which is characterized by comprising: 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; the two side surfaces of the high-temperature section liquid cooling block are respectively provided with a high-temperature section leading-in port matched with the rear end outlet of the pipeline connecting module and a high-temperature section supporting pipe corresponding to 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; 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 clung to the cold surfaces of the two high-temperature section refrigerating sheets, and the middle part of the high-temperature section heat conducting sheet is provided with a material which is communicated with the high-temperature section supporting pipe in a sealing way and has a thickness of H1The high-temperature section shunting area is uniformly provided with a plurality of apertures D1The high-temperature section shunt hole; 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 blocksTwo middle temperature section refrigerating sheets and a middle temperature section heat 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 corresponding to 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; 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 sheet are respectively clung to the cold surfaces of the two middle-temperature section refrigerating sheets, and the middle part of the middle-temperature section heat conducting sheet is provided with a sealing part which is communicated with the middle-temperature section supporting pipe and has a thickness of H2The medium temperature section shunting area is uniformly provided with a plurality of apertures D2The medium temperature section shunt hole; 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 leading-in port matched with the front end inlet and a low-temperature section supporting pipe corresponding to the low-temperature section leading-in 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 leading-in 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; 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; two side surfaces of the low-temperature section heat conducting sheet are respectively clung to the cold surfaces of the two low-temperature section refrigerating sheets, and the middle part of the low-temperature section heat conducting sheet is provided with a support pipe which is communicated with the low-temperature section in a sealing way and has the thickness of H3The low-temperature section shunting area is uniformly provided with a plurality of apertures D3The low-temperature section of (1) shunt hole, wherein D1>D2＞D3And H is1＜H2＜H3。
The beneficial effect of this scheme is: incoming flow is gradually cooled through the high-medium-low temperature section refrigeration and refrigeration assembly, the heat exchange temperature difference between the incoming flow and the incoming flow is gradually reduced, and the cooling efficiency is improved; the three-section design can also concentrate cooling products obtained by tar at different temperatures in different areas, and enrich tar components with similar properties while collecting the tar, so that complex tar products can be effectively separated. Furthermore, the large-aperture flow guide holes and the thin temperature guide plates in the high-temperature section allow airflow to pass through quickly, so that particles possibly carried by incoming flow are prevented from blocking the temperature guide plates, and excessive condensation of a large amount of tar in the initial cooling stage is avoided, so that the blockage of the temperature guide plates or the unobvious grading and collecting effect of the tar can be possibly caused; the small aperture of the low-temperature section and the thick temperature guide plate increase the heat exchange area and prolong the contact time of the air flow and the heat conduction plate, thereby achieving better condensation effect and tar collection.
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 modular temperature-controlled tar collecting device according to the present invention may further have the following features: d1：D2：D310: 5-8: 4 ~ 2, the design effect is better like this.
Preferably, the modular temperature-controlled tar collecting device according to the present invention may further have the following features: h1：H2：H35-6: 7-9: 8 ~ 10, the design effect is better like this.
Preferably, the modular temperature-controlled tar collecting device 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＞N3And N is1：N2：N32: 3-4: 4 to 6. The low-temperature section refrigeration module is arranged at the rearmost end of the incoming flow direction, the number is large, the temperature is low, the incoming flow is fully cooled, and the full collection of tar products is further ensured.
Preferably, the modular temperature-controlled tar collecting device according to the present invention may further include: 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 of the same temperature section, the temperature of fluid passing through the temperature guide sheet is monitored, a mounting groove extending towards the flow distribution area is formed in the side wall of each temperature guide sheet, and the sensing end of each temperature measuring component is arranged in the mounting groove.
The beneficial effects of this preferred feature are: the sensing end of the temperature measuring component directly extends into the temperature conducting sheet, so that the temperature can be measured more accurately, and accurate temperature control is facilitated.
Preferably, the modular temperature-controlled tar collecting device according to the present invention may further include: 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; and three groups of electric quantity adjusting components which correspond to the high-temperature section refrigerating assembly, the medium-temperature section refrigerating assembly and the low-temperature section refrigerating assembly respectively, wherein each group of electric quantity adjusting components 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.
Preferably, the modular temperature-controlled tar collecting device according to the present invention may further include: and the temperature control component is in communication connection with the three temperature measurement components, the three electric quantity adjustment 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 adjustment 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 modular temperature-controlled tar collecting device according to the present invention may further have the following features: 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 modular temperature-controlled tar collecting device according to the present invention may further have the following features: t is1＝0～10℃，T2＝-20～0℃，T3The effect is better when the temperature is between-50 and-20 ℃.
Preferably, the modular temperature-controlled tar collecting device according to the present invention may further have the following features: 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.
Preferably, the modular temperature-controlled tar collecting device according to the present invention may further have the following features: the heat conducting sheet is a metal plate with an array small-diameter through hole in the middle, and two side faces of the heat conducting sheet are respectively provided with a sealing groove which is in sealing connection with the two refrigerating units.
The beneficial effects of this preferred feature are: the metal plate has very high heat conductivity, and the array small-diameter through holes can form a large contact area, so that the cold quantity of the refrigeration piece is more favorably and efficiently transmitted to the fluid flowing through the heat conducting piece, and the refrigeration is efficiently and quickly carried out. And the sealing groove can assist in positioning the sealing element, so that sealing is better realized.
Drawings
FIG. 1 is a schematic structural diagram of a modular temperature-controlled tar collection device 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 diagram of a high-temperature-section heat conducting sheet according to an embodiment of the present invention;
FIG. 13 is a schematic structural view of a connector according to an embodiment of the present invention;
fig. 14 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. 15 is a schematic view of a connection relationship between two high-temperature-stage refrigeration modules and a temperature measuring member, a cold liquid supplying member, an electric quantity adjusting member, and a temperature control member according to an embodiment of the present invention.
Detailed Description
The modular temperature-controlled tar collecting device according to the present invention will be described in detail with reference to the accompanying drawings.
< example >
As shown in fig. 1 to 15, the modularized temperature-controlled tar collecting device 10 is communicated with a tar conveying pipeline T, and condenses the high-temperature pyrolysis gas conveyed from the pipeline T and collects the liquefied tar. The modularized temperature-controlled tar collecting device 10 comprises a pipeline connecting module 20, a high-temperature section refrigerating assembly 30, a middle-temperature section refrigerating assembly 40, a low-temperature section refrigerating assembly 50, three groups of temperature measuring components 60, three groups of cold liquid supply components 70, three groups of electric quantity adjusting components 80 and a temperature-controlled 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.
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 portion of the high-temperature-stage heat conducting plate 313 is provided with a high-temperature-stage branching region 313a in close communication with the support pipe 3112e, and the thickness of the high-temperature-stage branching region 313a is H1On which a plurality of apertures D are arranged1High temperature section tap hole 313b, in this embodiment, H1＝6mm，D1The total size is 0.8mm, and 41 high-temperature section shunting holes 313b are arranged; high temperature section guideTwo side surfaces of the temperature 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 conduction piece 313 is further provided with an installation groove 313d extending toward the high-temperature stage flow dividing region 313 a.
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.
In addition, in order to facilitate the disassembly and assembly of each high-temperature section refrigeration module 31, so as to collect tar condensed on the inner wall or clean and maintain the high-temperature section 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 arranged 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 a first connection piece B1 shown in fig. 13. 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. 13. 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. 13, 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. 13, 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. 13. 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. 13; or the liquid cooling cover 3111 and the liquid cooling seat 3112 may be connected to other external pipes. As shown in fig. 13, 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 in the thickness of the heat conducting sheet and the aperture of the shunting hole, and the same contents are not repeated here, and only the difference is explained: the thickness of the middle temperature section heat conducting sheet in the middle temperature section refrigeration module 41 is set to be H2The aperture of the medium-temperature section shunting hole is D2In this example, H2＝7mm，D2＝0.6mm。
The low-temperature section refrigeration assembly 50 includes five low-temperature section refrigeration modules 51 connected in series. Structure I of low-temperature section refrigeration module 51 and high-temperature section refrigeration module 31The difference is only in the thickness of the heat conducting sheet and the aperture of the shunting hole, and the same contents are not repeated here, and only the difference is explained: let the thickness of the low-temperature-stage heat conducting sheet in the low-temperature-stage refrigeration module 51 be H3The aperture of the low-temperature section shunting hole is D3In this example, H3＝8mm，D3＝0.4mm。
The three groups of temperature measuring components 60 respectively correspond to the high-temperature section refrigerating assembly 30, the medium-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. 15, 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. 15, 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. 15, the temperature control member 90 is communicatively connected to the temperature measuring member 60, and is connected to each high-temperature-stage cooling plate 312 and each liquid inlet hole 3112c, receives the monitored temperature of the temperature measuring member 60, and controls the cooling capacity of the high-temperature-stage cooling plate 312 and the flow rate of the cooling liquid entering the liquid inlet hole 3112c based on the monitored temperature and the set temperature. 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. 14, 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 concrete structure of the modularization temperature control tar collecting device 10 that this embodiment provided, and based on the above 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 section3The temperature is-50 to-20 ℃), the refrigeration sheets of each temperature section are regulated and controlled to generate cold, meanwhile, the three groups of cold liquid supply components 70 are started, cold liquid is introduced into the liquid cooling cavities for circulation, and the heat of the hot surfaces of the refrigeration sheets is continuously taken away, so that the cold surfaces can be continuously refrigerated; 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 shunting area 313a of the high-temperature section heat-conducting sheet 313 through the fluid passage P is rapidly cooled and condensed; then, the temperature is gradually reduced and condensed by the three middle-temperature section refrigerating modules 41 and the five low-temperature section refrigerating modules 41, so that the tar is efficiently condensed and collected in large quantity.
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 modular temperature-controlled tar collecting device 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 (10)
1. A modularization accuse temperature tar collection device 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 corresponding to 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 clung to the cold surfaces of the two high-temperature section refrigerating sheets, and the middle part of the high-temperature section heat conducting sheet is provided with a material which is communicated with the high-temperature section supporting pipe in a sealing way and has a thickness of H1The high-temperature section shunting area is uniformly provided with a plurality of apertures D1The high-temperature section shunt hole;
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 corresponding to the middle-temperature section leading-in port, and the middle part of the middle-temperature section liquid cooling block is provided with a middle-temperature section guiding-in portThe middle-temperature section guide channel is hermetically communicated with the middle-temperature section guide inlet and the middle-temperature section support tube, the peripheral area of the middle-temperature section guide channel is sunken towards the thickness direction to form a middle-temperature section liquid cooling cavity, and a cold liquid inlet hole and a cold liquid outlet hole are formed in the side wall of the middle-temperature section liquid cooling cavity; 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 sheet are respectively clung to the cold surfaces of the two middle-temperature section refrigerating sheets, and the middle part of the middle-temperature section heat conducting sheet is provided with a material which is hermetically communicated with the middle-temperature section supporting pipe and has a thickness of H2The medium temperature section shunting area is uniformly provided with a plurality of apertures D2The medium temperature section shunt hole; 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 corresponding to 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 sheet are respectively clung to the cold surfaces of the two low-temperature section refrigerating sheets, and the middle part of the low-temperature section heat conducting sheet is provided with a supporting tube which is communicated with the low-temperature section in a sealing way and has the thickness of H3The low-temperature section shunting area is uniformly provided with a plurality of apertures D3The low-temperature section of the gas-liquid separator is provided with a flow-dividing hole,
wherein D is1>D2＞D3And H is1＜H2＜H3。
2. The modular temperature controlled tar collection device of claim 1, wherein:
wherein D is1：D2：D3＝10：5～8：4～2。
3. The modular temperature controlled tar collection device of claim 1, wherein:
wherein H1：H2：H3＝5～6：7～9：8～10。
4. The modular temperature controlled tar collection device of claim 1, wherein:
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 N3Each of the low-temperature section refrigeration modules is N1＞N2＞N3And N is1：N2：N3＝2：3～4：4～6。
5. The modular temperature controlled tar collection device of claim 1, further comprising:
three groups of temperature measuring components respectively corresponding to the high-temperature section refrigerating assembly, the middle-temperature section refrigerating assembly and the low-temperature section refrigerating assembly, wherein 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 to monitor the temperature of fluid passing through the temperature guide sheet,
the side wall of each heat conducting sheet is provided with an installation groove extending towards the shunt area,
the sensing end of the temperature measuring component is arranged in the mounting groove.
6. The modular temperature controlled tar collection device of claim 5, 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; and
and the three groups of electric quantity adjusting components correspond to the high-temperature section refrigerating assembly, the medium-temperature section refrigerating assembly and the low-temperature section refrigerating assembly respectively, and each group of electric quantity adjusting components 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.
7. The modular temperature controlled tar collection device of claim 6, further comprising:
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.
8. The modular temperature controlled tar collection device of claim 7, wherein:
wherein the setting temperature includes: high temperature section set temperature T1Middle temperature section set temperature T2And a low temperature section set temperature T3，
T1＜T2＜T3。
9. The modular temperature controlled tar collection device of claim 8, wherein:
wherein, T1＝0～10℃，T2＝-20～0℃，T3＝-50～-20℃。
10. The modular temperature controlled tar collection device of claim 1, wherein:
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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| 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 |
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