CN111076575A - Spiral plate heat exchange device of gas-solid circulating fluidized bed and operation method thereof - Google Patents
Spiral plate heat exchange device of gas-solid circulating fluidized bed and operation method thereof Download PDFInfo
- Publication number
- CN111076575A CN111076575A CN201911289022.3A CN201911289022A CN111076575A CN 111076575 A CN111076575 A CN 111076575A CN 201911289022 A CN201911289022 A CN 201911289022A CN 111076575 A CN111076575 A CN 111076575A
- Authority
- CN
- China
- Prior art keywords
- plate heat
- spiral plate
- heat exchanger
- spiral
- outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/04—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being formed by spirally-wound plates or laminae
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/02—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by influencing fluid boundary
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention belongs to the technical field of heat exchangers, and discloses a spiral plate heat exchange device of a gas-solid circulating fluidized bed and an operation method thereof, wherein a cold fluid outlet of a spiral plate heat exchanger is connected with an inlet of a cyclone separator, a lower outlet of the cyclone separator is connected with a particle adding device, the particle adding device is connected with a cold fluid inlet of the spiral plate heat exchanger, a nozzle is arranged at the cold fluid inlet, and a vortex air pump is connected with the nozzle inlet; the hot fluid outlet of the spiral plate heat exchanger is connected with the constant temperature water tank, the outlet of the constant temperature water tank is connected with the inlet of the circulating pump, and the outlet of the circulating pump is connected with the hot fluid inlet of the spiral plate heat exchanger. According to the invention, a certain amount of inert solid particles are added through the particle adding device, so that the inert solid particles and air form a mixed working medium, and the mixed working medium and water perform forced circulation heat exchange in the spiral plate heat exchanger. The invention combines the fluidized bed heat exchange anti-scaling energy-saving technology with the heat exchange process of the spiral plate heat exchanger, and effectively improves the heat transfer performance of the spiral plate heat exchanger.
Description
Technical Field
The invention belongs to the technical field of heat exchangers, and particularly relates to a novel gas-solid circulating fluidized bed spiral plate heat exchange device and an operation method thereof.
Background
The spiral plate heat exchanger is formed by coiling two parallel metal plates, two spiral channels are formed in the spiral plate heat exchanger, cold fluid and hot fluid flow in a counter-current mode, and heat exchange is carried out through thin plates. Because of its large heat transfer coefficient, it can fully utilize low-temperature heat source, so that it can be used as a high-effective heat-transfer element, and can be extensively used in the fields of medicine, chemical industry, light industry, food, textile, metallurgy and dye, etc. When gas phase heat exchange exists in the spiral plate heat exchanger, effective measures are necessary to strengthen the gas phase heat transfer because the heat conductivity coefficient of gas is small and the heat exchange efficiency is low.
The fluidized bed heat exchange anti-scaling energy-saving technology has good enhanced heat transfer performance, and is well applied to heat exchange equipment such as evaporators, preheaters, boilers and the like of some chemical products, but the application of the technology in a spiral plate heat exchanger is not reported.
Disclosure of Invention
The invention aims to solve the technical problem of intensified heat transfer of the spiral plate heat exchanger, and provides a gas-solid circulating fluidized bed spiral plate heat exchange device and an operation method thereof.
In order to solve the technical problems, the invention is realized by the following technical scheme:
a gas-solid circulating fluidized bed spiral plate heat exchange device comprises a spiral plate heat exchanger with two spiral channels inside, wherein two ends of one spiral channel are a cold fluid inlet and a cold fluid outlet, and two ends of the other spiral channel are a hot fluid inlet and a hot fluid outlet; the spiral plate heat exchanger is horizontally arranged; the cold fluid outlet of the spiral plate heat exchanger is connected with the inlet of a cyclone separator through a third connecting pipeline, the lower outlet of the cyclone separator is connected with a particle adding device, the particle adding device is connected with the cold fluid inlet of the spiral plate heat exchanger through a second connecting pipeline, and the inlet of the second connecting pipeline is connected with the outlet of a nozzle; the vortex air pump is connected with an inlet of the nozzle through a first connecting pipeline, and a gas rotor flow meter is arranged on the first connecting pipeline; the hot fluid outlet of the spiral plate heat exchanger is connected with a constant temperature water tank through a fourth connecting pipeline, the outlet of the constant temperature water tank is connected with the inlet of a circulating pump, and the outlet of the circulating pump is connected with the hot fluid inlet of the spiral plate heat exchanger through a fifth connecting pipeline; a liquid rotameter is arranged on the fifth connecting pipeline;
adding inert solid particles by using the particle adding device, and recovering the inert solid particles by using the particle adding device and the cyclone separator; and the inert solid particles and air form a mixed working medium, and the mixed working medium and water are subjected to forced circulation heat exchange in the spiral plate heat exchanger through the vortex air pump and the circulating pump respectively.
Further, the cold fluid inlet is positioned at the edge of the spiral plate heat exchanger, the cold fluid outlet is positioned in the middle of the spiral plate heat exchanger, the hot fluid inlet is positioned in the middle of the spiral plate heat exchanger, and the hot fluid outlet is positioned at the edge of the spiral plate heat exchanger; thereby causing the two fluid media in the spiral plate heat exchanger to flow in countercurrent.
Further, the plate width of the spiral plate heat exchanger is 150-1900 mm, the wall thickness is 2-6 mm, the space between spiral plate channels is 5-40 mm, and the heat exchange area of a single heat exchange unit is 0.5-300 m2。
Further, the particle adding device comprises an inclined pipe, a first valve, a particle collector, a second valve and a funnel; an outlet at the lower part of the inclined pipe is connected with the second connecting pipeline, an outlet at the upper part of the inclined pipe is connected with the lower end of the particle collector through the first valve, and the upper part of the particle collector is connected with the lower end of the funnel through the second valve.
Further, the inert solid particles are glass bead particles.
Further, the equivalent diameter of the glass bead particle is 0.6 to 2.0 mm.
Furthermore, the addition amount of the glass bead particles is 0.5-2.0%.
Furthermore, the circulating gas velocity in the spiral plate heat exchanger is 7.40-11.57 m/s.
When inert solid particles are added by the particle adding device, the second valve is opened to ensure that the first valve is in a closed state, the inert solid particles are added into the particle collector through the hopper, then the second valve is closed, and the first valve is opened to enable the inert solid particles to enter the second connecting pipe and enter the spiral plate heat exchanger along with flowing gas;
and when the particle adding device and the cyclone separator are used for recovering inert solid particles, closing the first valve to ensure that the second valve is in a closed state. And after the gas-solid mixed working medium flows through the cyclone separator, gas is discharged from an outlet at the upper end of the cyclone separator, inert solid particles enter the particle collector after centrifugal sedimentation, after all the inert solid particles in the device are collected, the inclined tube and the second connecting pipeline are detached from the device, the collected particles are discharged from the bottom of the particle collector, and then the detached inclined tube and the second connecting pipeline are installed in the device again through a movable joint.
The invention has the beneficial effects that:
according to the gas-solid circulating fluidized bed spiral plate heat exchange device and the operation method thereof, the fluidized bed technology is applied to the heat exchange process of the spiral plate heat exchanger, and the glass bead solid particles are added into the spiral plate heat exchanger to form a gas-solid circulating fluidized bed spiral plate heat exchanger heat exchange system, so that the gas-solid circulating fluidized bed spiral plate heat exchanger heat exchange device has a good heat transfer enhancement effect. The reason is mainly that when the spiral plate heat exchanger exchanges heat between air and water, the thermal resistance is mainly concentrated on the air side, so that after solid particles are added to the air side, the particles in the air conduct heat with the wall surface and the particles collide with the wall surface to damage the boundary layer of the wall surface, the total thermal resistance of the heat exchanger can be reduced, and the effect of enhancing heat transfer is achieved.
The gas-solid circulating fluidized bed spiral plate heat exchange device and the operation method thereof have the advantages of simple equipment structure, stable operation, low energy consumption, contribution to realizing industrialization, effective improvement of production efficiency and energy utilization rate and reduction of environmental pollution. The invention improves the heat transfer efficiency of the spiral plate heat exchanger, has wide application prospect and can generate great economic, social and environmental benefits.
Drawings
Fig. 1 is a schematic structural diagram of a spiral plate heat exchanger device of a gas-solid circulating fluidized bed provided by the invention.
In fig. 1: 1. a vortex air pump; 2. a first connecting line; 3. a gas rotameter; 4. a particle feeding device; 5. a cyclone separator; 6. a nozzle; 7. a second connecting line; 8. a third connecting pipeline; 9. a spiral plate heat exchanger; 10. a fourth connecting pipeline; 11. a constant temperature water tank; 12. a circulation pump; 13. a liquid rotameter; 14. and a fifth connecting pipeline.
FIG. 2 is a schematic structural view of a front view of a spiral plate heat exchanger of the present invention;
FIG. 3 is a schematic side view of the spiral plate heat exchanger of the present invention;
in fig. 2: a. a cold fluid outlet; b. a hot fluid outlet; c. a cold fluid inlet; d. a hot fluid inlet.
FIG. 4 is a schematic structural view of a granule feeding apparatus according to the present invention;
in fig. 4: e. an inclined tube; f. a first valve; g. a particle collector; h. a second valve; i. a funnel.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings:
as shown in fig. 1, the present embodiment discloses a spiral plate heat exchange device of a gas-solid circulating fluidized bed and an operation method thereof, the device is made of 304 stainless steel, and comprises a vortex air pump 1, a first connecting pipeline 2, a gas rotor flow 3, a particle adding device 4, a cyclone separator 5, a nozzle 6, a second connecting pipeline 7, a third connecting pipeline 8, a spiral plate heat exchanger 9, a fourth connecting pipeline 10, a constant temperature water tank 11, a circulating pump 12, a liquid rotor flow meter 13 and a fifth connecting pipeline 14.
As shown in fig. 2 and 3, the spiral plate heat exchanger 9 is horizontally arranged, that is, is horizontally arranged along the axial direction, and particles collide with the heat exchange wall surface better under the combined action of self gravity and inertial centrifugal force. The spiral plate heat exchanger is formed by rolling two parallel metal plates, and two spiral channels are formed in the spiral plate heat exchanger. The spiral plate heat exchanger 9 comprises a cold fluid outlet a, a hot fluid outlet b, a cold fluid inlet c and a hot fluid inlet d. The cold fluid outlet a and the cold fluid inlet c are two ends of a spiral channel, and the hot fluid outlet b and the hot fluid inlet d are two ends of the spiral channel; and the cold fluid inlet c is positioned on the edge of the spiral plate heat exchanger 9, the cold fluid outlet a is positioned in the middle of the spiral plate heat exchanger 9, the hot fluid inlet d is positioned in the middle of the spiral plate heat exchanger 9, and the hot fluid outlet b is positioned on the edge of the spiral plate heat exchanger 9. Therefore, two fluid media in the spiral plate heat exchanger 9 flow in a countercurrent manner and are forced to circulate through the vortex air pump 1 and the circulating pump 12, and the heat exchange media are respectively a mixed working medium of air and solid particles and pure water at a certain temperature.
In this embodiment, the spiral plate heat exchanger 9 is placed horizontally, the plate width is 200mm, the wall thickness is 3mm, the channel interval of the spiral plate is 15mm, the channel length is 2.48m, and the heat exchange area of a single heat exchange unit is about 1m2And the outside is wrapped with heat insulation cotton to reduce heat loss. Generally speaking, the width of the spiral plate heat exchanger 9 is 150-1900 mm, the wall thickness is 2-6 mm, the space between the spiral plate channels is 5-40 mm, and the heat exchange area of a single heat exchange unit is 0.5-300 m2To prevent the addition of inert solid particles from clogging the spiral channels, the pitch of the spiral plate channels may be suitably increased, in this example, to about 10 times the equivalent diameter of the largest particle studied.
A cold fluid outlet a of the spiral plate heat exchanger 9 is connected with an inlet at the upper part of the cyclone separator 5 through a third connecting pipeline 8, a gas outlet at the upper part of the cyclone separator 5 is communicated with the atmosphere, a solid outlet at the lower part of the cyclone separator 5 is connected with the particle feeding device 4, and the particle feeding device 4 is connected with a cold fluid inlet c of the spiral plate heat exchanger 9 through a second connecting pipeline 7. The nozzle 6 is installed at the inlet of the second connecting pipeline 7, the position of the air outlet of the nozzle 6 is about half of the cross section of the joint of the inclined pipe e and the second connecting pipeline 7, the purpose of adding the nozzle 6 is to enable particles to be better circulated, the kinetic energy and the static pressure at the air outlet of the nozzle 6 are large, and therefore the particles in the pipeline of the particle adding device 4 above are easier to descend. The vortex air pump 1 is connected with an air inlet of the nozzle 6 through a first connecting pipeline 2, and the first connecting pipeline 2 is provided with an air rotameter 3.
The hot fluid outlet b of the spiral plate heat exchanger 9 is connected with the constant temperature water tank 11 through the fourth connecting pipeline 10, the outlet of the constant temperature water tank is connected with the inlet of the circulating pump 12, and the outlet of the circulating pump 12 is connected with the hot fluid inlet d of the spiral plate heat exchanger 9 through the fifth connecting pipeline 14. The fifth connecting line 14 is provided with a liquid rotameter 13. Wherein, the circulating pump 12 adopts a semi-open centrifugal pump for forced circulation.
As shown in FIG. 4, the granule adding apparatus 4 comprises an inclined tube e, a first valve f, a granule collector g, a second valve h and a funnel i. The outlet at the lower part of the inclined tube e is connected with the second connecting pipeline 7, and in order to make the particles in the particle collector g fall into the second connecting pipeline 7 better, the inclined tube e and the second connecting pipeline 7 are designed to be connected at an angle of 30 degrees in the embodiment, so that the air flows through the inclined tube as little as possible, and the particles fall down better. The outlet at the upper part of the inclined tube e is connected with the lower end of the particle collector g through a first valve f. The upper part of the particle collector g is connected via a second valve h to the lower end of a funnel i for feeding inert solid particles.
According to the gas-solid circulating fluidized bed spiral plate heat exchange device, a certain amount of glass bead particles are added through the particle adding device 4, so that the glass bead particles and air form a mixed working medium, and the mixed working medium and water are subjected to forced circulating heat exchange in the spiral plate heat exchanger 9 through the vortex air pump 1 and the circulating pump 12 respectively. In the operation process, cold and hot fluid flow in the spiral plate heat exchanger 9 in a countercurrent mode, glass bead particles move in the spiral channel under the combined action of self gravity and inertial centrifugal force, the glass bead particles have large collision and shear stress on the heat transfer wall surface in the movement process, the thickness of the flowing and heat transfer boundary layer can be effectively reduced, meanwhile, heat can be conducted between the particles and the heat transfer wall surface through mutual collision and contact, and further the heat transfer performance of the spiral plate heat exchanger 9 is improved. The shape of the selected glass bead particles is spherical, the equivalent diameter is preferably 0.8-1.5 mm, the settling velocity of the particles in the air is low, and the particles can better participate in circulation; the addition of the particles is 0.5-2.0%, so that the concentration required by enhanced heat transfer can be met, and the addition of the particles is the ratio of the volume of the added particles to the volume of air of the particles contained in the circulating system; the circulating gas velocity in the spiral plate heat exchanger is 7.40-11.57 m/s, and the particles are well fluidized and distributed in the spiral plate heat exchanger 9.
During operation, a proper amount of glass bead particles are added into a system, the flow rates of air and water are respectively adjusted to specified values, the mixed working medium and the water are respectively subjected to forced circulation heat exchange in the spiral plate heat exchanger 9 through the vortex air pump 1 and the circulating pump 12, when the mixed working medium flows through the cyclone separator 5, gas and solid are separated, the gas is discharged into the atmosphere from an outlet at the upper end of the cyclone separator 5, inert solid particles are centrifugally settled, then fall into the second connecting pipeline 7 from the bottom of the cyclone separator 5 through the particle collector g and are continuously mixed with the air to participate in circulation. The gas rotameter 3 inside the first connecting line 2 is used to measure the flow of air through the first connecting line 2 and the liquid rotameter 13 inside the fifth connecting line 14 is used to measure the flow of hot fluid through the fifth connecting line 14.
When inert solid particles need to be added into the system, solid particles are added by using the particle adding device 4, before adding the particles each time, the first valve f is ensured to be in a closed state, then the second valve h is opened, the inert solid particles are added into the particle collector g through the funnel i, after adding the solid particles, the second valve h is closed, and the first valve f is opened, so that the inert solid particles enter the second connecting pipe 7 and enter the spiral plate heat exchanger 9 along with flowing gas.
When the inert solid particles need to be replaced in the system, the device is ensured to be in a stop state, the inert solid particles are recovered by using the cyclone separator 5 and the particle adding device 4, the second valve h is ensured to be in a closed state, and the first valve f is closed. After the gas-solid mixed working medium flows through the cyclone separator 5, gas is discharged into the atmosphere from an outlet at the upper end of the cyclone separator 5, inert solid particles enter a particle collector g from an outlet at the lower part of the cyclone separator 5 after centrifugal sedimentation, after all the inert solid particles in the device are collected, the inclined tube e and the second connecting pipeline 7 are detached from the device, the first valve f is opened, the particles in the particle collector g can be taken out from the first valve f under the action of gravity, and then the detached inclined tube e and the second connecting pipeline 7 connected with the detached inclined tube e are installed in the device again through a movable joint.
The gas-solid circulating fluidized bed spiral plate heat exchange device is used for heat exchange under normal pressure, when the equivalent diameter of glass bead particles is 0.6-2.0 mm, the adding amount of the particles is 0.5-2.0%, the circulating gas velocity in the spiral plate heat exchanger is 7.40-11.57 m/s, and the circulating flow velocity of hot fluid in the spiral plate heat exchanger is 0.5m/s, the device can play a remarkable role in enhancing heat transfer, and the total heat transfer coefficient can be improved by 29.75% to the maximum extent. Therefore, the spiral plate heat exchanger device of the gas-solid circulating fluidized bed has obvious enhanced heat transfer effect, and the addition of the glass bead particles has important influence on the enhanced heat transfer performance.
Although the preferred embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and those skilled in the art can make various changes and modifications within the spirit and scope of the present invention without departing from the spirit and scope of the appended claims.
Claims (9)
1. A gas-solid circulating fluidized bed spiral plate heat exchange device comprises a spiral plate heat exchanger with two spiral channels inside, wherein two ends of one spiral channel are a cold fluid inlet and a cold fluid outlet, and two ends of the other spiral channel are a hot fluid inlet and a hot fluid outlet; the spiral plate heat exchanger is characterized in that the spiral plate heat exchanger is horizontally arranged; the cold fluid outlet of the spiral plate heat exchanger is connected with the inlet of a cyclone separator through a third connecting pipeline, the lower outlet of the cyclone separator is connected with a particle adding device, the particle adding device is connected with the cold fluid inlet of the spiral plate heat exchanger through a second connecting pipeline, and the inlet of the second connecting pipeline is connected with the outlet of a nozzle; the vortex air pump is connected with an inlet of the nozzle through a first connecting pipeline, and a gas rotor flow meter is arranged on the first connecting pipeline; the hot fluid outlet of the spiral plate heat exchanger is connected with a constant temperature water tank through a fourth connecting pipeline, the outlet of the constant temperature water tank is connected with the inlet of a circulating pump, and the outlet of the circulating pump is connected with the hot fluid inlet of the spiral plate heat exchanger through a fifth connecting pipeline; a liquid rotameter is arranged on the fifth connecting pipeline;
adding inert solid particles by using the particle adding device, and recovering the inert solid particles by using the particle adding device and the cyclone separator; and the inert solid particles and air form a mixed working medium, and the mixed working medium and water are subjected to forced circulation heat exchange in the spiral plate heat exchanger through the vortex air pump and the circulating pump respectively.
2. The spiral-plate heat exchange device of claim 1, wherein the cold fluid inlet is located at the edge of the spiral-plate heat exchanger, the cold fluid outlet is located at the middle of the spiral-plate heat exchanger, the hot fluid inlet is located at the middle of the spiral-plate heat exchanger, and the hot fluid outlet is located at the edge of the spiral-plate heat exchanger; thereby causing the two fluid media in the spiral plate heat exchanger to flow in countercurrent.
3. The spiral plate heat exchange device of claim 1, wherein the spiral plate heat exchanger has a plate width of 150 to 1900mm, a wall thickness of 2 to 6mm, a spiral plate channel spacing of 5 to 40mm, and a single heat exchange area of 0.5 to 300m2。
4. The spiral plate heat exchange device of claim 1, wherein the particle feeder comprises an inclined tube, a first valve, a particle collector, a second valve and a funnel; an outlet at the lower part of the inclined pipe is connected with the second connecting pipeline, an outlet at the upper part of the inclined pipe is connected with the lower end of the particle collector through the first valve, and the upper part of the particle collector is connected with the lower end of the funnel through the second valve.
5. A gas-solid circulating fluidized bed spiral plate heat exchange device according to claim 1, wherein the inert solid particles are glass bead particles.
6. A gas-solid circulating fluidized bed spiral plate heat exchange device according to claim 5, wherein the equivalent diameter of the glass bead particles is 0.6-2.0 mm.
7. A gas-solid circulating fluidized bed spiral plate heat exchange device according to claim 5, wherein the particle addition amount of the glass bead particles is 0.5-2.0%.
8. The spiral plate heat exchange device of claim 5, wherein the circulating gas velocity in the spiral plate heat exchanger is 7.40-11.57 m/s.
9. A method of operating a spiral plate heat exchanger apparatus of claim 4, wherein when inert solid particles are added by the particle feeder, the second valve is opened to ensure the first valve is closed, inert solid particles are fed into the particle collector through the hopper, then the second valve is closed, the first valve is opened to allow inert solid particles to enter the second connecting pipe and enter the spiral plate heat exchanger with flowing gas;
and when the particle adding device and the cyclone separator are used for recovering inert solid particles, closing the first valve to ensure that the second valve is in a closed state. And after the gas-solid mixed working medium flows through the cyclone separator, gas is discharged from an outlet at the upper end of the cyclone separator, inert solid particles enter the particle collector after centrifugal sedimentation, after all the inert solid particles in the device are collected, the inclined tube and the second connecting pipeline are detached from the device, the collected particles are discharged from the bottom of the particle collector, and then the detached inclined tube and the second connecting pipeline are installed in the device again through a movable joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911289022.3A CN111076575A (en) | 2019-12-13 | 2019-12-13 | Spiral plate heat exchange device of gas-solid circulating fluidized bed and operation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911289022.3A CN111076575A (en) | 2019-12-13 | 2019-12-13 | Spiral plate heat exchange device of gas-solid circulating fluidized bed and operation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111076575A true CN111076575A (en) | 2020-04-28 |
Family
ID=70314601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911289022.3A Pending CN111076575A (en) | 2019-12-13 | 2019-12-13 | Spiral plate heat exchange device of gas-solid circulating fluidized bed and operation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111076575A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60133289A (en) * | 1983-12-21 | 1985-07-16 | Fuji Standard Res Kk | Cooling method of high-temperature body by using fluidized bed |
| JPH01244291A (en) * | 1988-03-25 | 1989-09-28 | Mitsui Eng & Shipbuild Co Ltd | Fluidized layer heat exchanger in circulation type fluidized layer boiler |
| CN2388581Y (en) * | 1999-08-08 | 2000-07-19 | 王瑞华 | Plate coil |
| CN1627035A (en) * | 2004-04-19 | 2005-06-15 | 石油大学(北京) | Gas and solid circular flow warmer |
| CN201706928U (en) * | 2010-06-18 | 2011-01-12 | 苏州市锦翔压力容器制造有限公司 | Semi-detachable type spiral plate heat exchanger for oil field |
| WO2012038109A2 (en) * | 2010-09-20 | 2012-03-29 | Thyssenkrupp Xervon Energy Gmbh | Method and installation for generating steam |
| CN105318752A (en) * | 2015-11-04 | 2016-02-10 | 兰州兰洛炼化设备有限公司 | End face double-sealing spiral plate type high-temperature flue gas reboiler |
| CN107764110A (en) * | 2016-08-23 | 2018-03-06 | 中国石油化工股份有限公司 | The outer circulation type fluid-bed heat exchanger that solid particle fully circulates |
| CN209512581U (en) * | 2018-11-14 | 2019-10-18 | 清华大学 | Gas-liquid counter current heat-exchanger rig |
| CN110448928A (en) * | 2019-07-15 | 2019-11-15 | 天津大学 | A kind of air-liquid-solid downlink cycle fluidized bed evaporation device and its operating method |
-
2019
- 2019-12-13 CN CN201911289022.3A patent/CN111076575A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60133289A (en) * | 1983-12-21 | 1985-07-16 | Fuji Standard Res Kk | Cooling method of high-temperature body by using fluidized bed |
| JPH01244291A (en) * | 1988-03-25 | 1989-09-28 | Mitsui Eng & Shipbuild Co Ltd | Fluidized layer heat exchanger in circulation type fluidized layer boiler |
| CN2388581Y (en) * | 1999-08-08 | 2000-07-19 | 王瑞华 | Plate coil |
| CN1627035A (en) * | 2004-04-19 | 2005-06-15 | 石油大学(北京) | Gas and solid circular flow warmer |
| CN201706928U (en) * | 2010-06-18 | 2011-01-12 | 苏州市锦翔压力容器制造有限公司 | Semi-detachable type spiral plate heat exchanger for oil field |
| WO2012038109A2 (en) * | 2010-09-20 | 2012-03-29 | Thyssenkrupp Xervon Energy Gmbh | Method and installation for generating steam |
| CN105318752A (en) * | 2015-11-04 | 2016-02-10 | 兰州兰洛炼化设备有限公司 | End face double-sealing spiral plate type high-temperature flue gas reboiler |
| CN107764110A (en) * | 2016-08-23 | 2018-03-06 | 中国石油化工股份有限公司 | The outer circulation type fluid-bed heat exchanger that solid particle fully circulates |
| CN209512581U (en) * | 2018-11-14 | 2019-10-18 | 清华大学 | Gas-liquid counter current heat-exchanger rig |
| CN110448928A (en) * | 2019-07-15 | 2019-11-15 | 天津大学 | A kind of air-liquid-solid downlink cycle fluidized bed evaporation device and its operating method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106595348B (en) | Non-scaling fluid-bed heat exchanger | |
| CN201488611U (en) | Double-stroke separation type heat exchanger | |
| CN204421697U (en) | A kind of imitative labyrinth shape baffle shell-and-tube heat exchanger | |
| CN109579573A (en) | A kind of spiral lattice board shell-and-tube heat exchanger | |
| CN107764109A (en) | Automatically cleaning fluid-bed heat exchanger | |
| CN204007249U (en) | A kind of Multi-level deflector spiral-plate heat exchanger | |
| CN109603706B (en) | Continuous flow plate type chemical reactor | |
| CN106959026A (en) | A kind of laterally intermittent stagnation coiled pipe membrane wall powder high-efficiency heat exchanger | |
| CN202209905U (en) | Fluid heat transfer surface automatic descaling device | |
| CN206601057U (en) | Spiral tube heat exchanger | |
| CN203837550U (en) | Discontinuous and bi-directional warping type heat exchange tube | |
| CN111076575A (en) | Spiral plate heat exchange device of gas-solid circulating fluidized bed and operation method thereof | |
| CN206222984U (en) | A kind of broad passage plate heat exchanger | |
| CN205991726U (en) | Storage tank formula heat-exchanger rig is used in a kind of Wet-smelting method | |
| CN205383914U (en) | Quartzy shell and tube heat exchanger of high -purity acid | |
| CN203550696U (en) | Plate heat exchanger | |
| CN206818021U (en) | Laterally intermittent stagnation coiled pipe membrane wall powder high-efficiency heat exchanger | |
| CN206454291U (en) | A kind of environmentally friendly falling film evaporator | |
| CN201944825U (en) | Flue gas and low temperature corrosion resistance heating medium coal economizer | |
| CN104864770A (en) | Online cleaning system and method for circulating cooling water heat exchanger | |
| CN201844697U (en) | Flue gas waste heat recovery device of industrial furnace | |
| CN205807915U (en) | A kind of cleanable heat pump heat exchanger | |
| CN204188048U (en) | The solid-liquid two-phase flow welded type plate type heat exchanger of anti-alluvial Wear-proof | |
| CN203249507U (en) | Low temperature flue gas waste heat reclamation device | |
| CN208990255U (en) | A kind of circulating evaporator with partition |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |