CN204395466U - The vapor-liquid-solid three-phase augmentation of heat transfer multi-pipe heat exchanger that a kind of solid particle distributes again - Google Patents
The vapor-liquid-solid three-phase augmentation of heat transfer multi-pipe heat exchanger that a kind of solid particle distributes again Download PDFInfo
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- CN204395466U CN204395466U CN201420605510.7U CN201420605510U CN204395466U CN 204395466 U CN204395466 U CN 204395466U CN 201420605510 U CN201420605510 U CN 201420605510U CN 204395466 U CN204395466 U CN 204395466U
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Abstract
The utility model provides the vapor-liquid-solid three-phase augmentation of heat transfer multi-pipe heat exchanger that a kind of solid particle distributes again, comprise heat exchanger, distribution of particles plate, vapour-liquid solid separator, gas condensing unit, circulation pipe, circulating pump, described heat exchanger lower tube box installs distribution of particles plate; Distribution of particles plate carries out grafting by distribution grid unit by its side coupling to form.Distribution grid unit is hollow round table structure, and distribution grid unit side coupling is annulus and cylinder respectively, by being inserted in annulus by cylinder, completes the grafting of distribution grid unit.Heat exchanger upper tube box is connected with vapour-liquid solid separator by circulation pipe; Gas outlet is equipped with on vapour-liquid solid separator top, and its outlet is connected with condensation sleeve pipe by circulation pipe, enters into condensed water storage tank through condensed steam; Vapour-liquid solid separator bottom connects vertical circulation pipe; Concentrated solution outlet, liquor inlet and electromagnetic flowmeter vertical circulation pipe be equipped with; Vertical circulation pipe is connected with pump inlet by one section of horizontal cyclic pipe; Circulating-pump outlet is connected with the lower tube box of heat exchanger by circulation pipe.The utility model installs distribution of particles plate at lower tube box, realize solid particle being uniformly distributed in heating tube bundle, thus increase the solid particle impingement tube bank wall probability in heating tube bundle, form disturbance at fluid boundary layer, there is anti-scale removal effect, enhanced heat transfer performance.
Description
Technical field
The utility model relates to the vapor-liquid-solid three-phase augmentation of heat transfer multi-pipe heat exchanger that a kind of solid particle distributes again.
Background technology
In the industrial production such as chemical industry, medicine, generally need to adopt the heat transmission equipment such as evaporimeter or reboiler to carry out heat exchange operation.Along with the prolongation of operating time, the suspension in material or crystal are enriched to the wall of heating tube bundle, form incrustation.The generation of dirt can make the heat transfer coefficient in heat exchanger tube decline, and rate of heat transfer reduces, and heat transmission equipment needs regularly to carry out shut-down cleaning, result in production capacity and declines, and is therefore badly in need of the heat exchanging evaporator developing heat transfer property optimization.Introduce fluidization particle in a fluid, constantly clashed into the wall of heat exchanger by solid particle, can prevent the formation of wall dirt, therefore air-liquid-solid multitube evaporating heat exchanger technology can solve the problem of the heat exchange property difference that wall fouling causes.In air-liquid-solid multitube evaporating heat exchanger technology, the normal fluidization of solid particle in tube bank is the prerequisite realizing excellent operation.The utility model, at the distribution of particles plate of lower tube box Installation of New Type, realizes solid particle being uniformly distributed at heating tube bundle, operation conditions optimization, realizes tube bank augmentation of heat transfer.
Utility model content
In order to solve the problems of the technologies described above, the vapor-liquid-solid three-phase augmentation of heat transfer multi-pipe heat exchanger apparatus that the utility model provides a kind of solid particle to distribute again.
The technical solution adopted in the utility model is: comprise heat exchanger, distribution of particles plate, vapour-liquid solid separator, gas condensing unit, circulation pipe, circulating pump.Described heat exchanger heating tube bundle material is hard glass, wall plated film, and heat flux is 10kW/m
2; Heat exchanger lower tube box installs distribution of particles plate; Heat exchanger upper tube box is connected with vapour-liquid solid separator by circulation pipe; Gas outlet is installed on the top of vapour-liquid solid separator, and its outlet is connected with condensation sleeve pipe by circulation pipe, enters into condensed water storage tank after steam-condensation; Vapour-liquid solid separator bottom connects vertical circulation pipe; Vertical circulation pipe is equipped with concentrated solution outlet, liquor inlet and electromagnetic flowmeter, vertical circulation pipe is connected with pump inlet by one section of horizontal cyclic pipe; Circulating-pump outlet is connected with the lower tube box of heat exchanger by circulation pipe.
In the vapor-liquid-solid three-phase augmentation of heat transfer multi-pipe heat exchanger that above-mentioned solid particle distributes again, described distribution of particles plate is formed by its side coupling grafting by distribution grid unit.Distribution grid unit is hollow round table structure, and its side and lower surface angle are 15 ~ 45 °, and distribution grid unit side has 4 ~ 8 circular opens, by these circular opens, fluid flow guiding is intrafascicular to Tube Sheet of Heat Exchanger, realizes solid particle being uniformly distributed in tube bank.Distribution grid unit side coupling, being annulus and the cylinder of half hollow of sectional area different diameters 0.5mm respectively, by being inserted in annulus by cylinder, completing the grafting of distribution grid unit.
In the vapor-liquid-solid three-phase augmentation of heat transfer multi-pipe heat exchanger apparatus that above-mentioned solid particle distributes again, gas outlet is equipped with on described vapour-liquid solid separator top; Solid particle charging aperture is equipped with in side, carries out supplementing of solid particle.
In the vapor-liquid-solid three-phase augmentation of heat transfer multi-pipe heat exchanger that above-mentioned solid particle distributes again, the solid particle added is polytetrafluoroethylene (PTFE) ball, polyformaldehyde ball, glass marble, and the diameter of solid particle is 1 ~ 3mm.Rate of flow of fluid in circulation pipe controls at 1.5 ~ 2.5m/s.
Compared with prior art, the beneficial effects of the utility model are: at the distribution of particles plate of lower tube box Installation of New Type, realize particle being uniformly distributed in tube bank, thus the solid particle impingement tube bank wall probability increased in tube bank, disturbance is formed at fluid boundary layer, there is anti-scale removal effect, optimize heat transfer property.
Accompanying drawing explanation
Fig. 1 is principle schematic of the present utility model.
Fig. 2 is the normal axomometric drawing of distribution grid unit.
Fig. 3 is the top view of distribution grid unit.
Fig. 4 is the left view of distribution grid unit.
Fig. 5 is the normal axomometric drawing of distribution of particles plate.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1, wherein 1 be heat exchanger heating tube bundle, 2 for upper tube box, 3 for lower tube box, 4 for distribution of particles plate, 5 for vapour-liquid solid separator, 6 for solid particle charging aperture, 7 for gas outlet, 8 for discharging opening, 9 for valve, 10 for charging aperture, 11 for check valve, 12 for electromagnetic flowmeter, 13 for circulating pump, 14 for double-pipe condenser, 15 be condensed water storage tank.
The utility model is described in detail as follows device and operating process: first by the distribution grid unit side coupling cylinder A of in Fig. 3 and another distribution grid unit side coupling semicircular ring B grafting good, distribution grid unit connects into distribution of particles plate, distribution of particles plate as shown in Figure 5, is installed in lower tube box 3 shown in Fig. 1 by the distribution of particles plate connected.
As shown in Figure 1, first add certain material liquid by charging aperture 10, solid particle charging aperture 6 adds the solid particle that volume fraction is 5 ~ 15%, and density of solid particles is 1500 ~ 2500Kg/m
3, diameter is 1 ~ 3mm.Open circulating pump 13, liquid-solid two-phase circulates, and fluid enters in heat exchanger from bottom to top, and after distribution of particles plate 4, solid particle distributes again, in uniform inflow heat exchanger heating tube bundle.Heat exchanger heating tube bundle 1 carries out electrified regulation, and heat flux is 10kW/m
2double-pipe condenser 14 leads to condensed water, by electromagnetic flowmeter 12 batching cycle flow, rate of circulating flow controls at 1.5 ~ 2.5m/s, measure the condensed water volume in condensed water storage tank 15, calculate the evaporation capacity in feed liquid, after evaporation capacity reaches requirement, open valve 9 and receive the feed liquid after concentrating, and constantly input material liquid by charging aperture 10.
Observe the distribution of circulating granular in heat exchanger heating tube bundle 1, when circulating particle quantity reduces, by solid particle charging aperture 6 constantly replenishment cycles particle, constantly heat exchanging pipe wall is clashed into by solid particle, play the effect of anti-scale removal, strengthen the disturbance to boundary layer, augmentation of heat transfer effect simultaneously.
Claims (4)
1. the vapor-liquid-solid three-phase augmentation of heat transfer multi-pipe heat exchanger apparatus that distributes again of a solid particle, it is characterized in that: comprise heat exchanger, distribution of particles plate, vapour-liquid solid separator, gas condensing unit, circulation pipe, circulating pump, described heat exchanger heating tube bundle material is hard glass, wall plated film, heat flux is 10kW/m
2; Heat exchanger lower tube box installs distribution of particles plate; Heat exchanger upper tube box is connected with vapour-liquid solid separator by circulation pipe; Gas outlet is equipped with on vapour-liquid solid separator top, and its outlet is connected with condensation sleeve pipe by circulation pipe, enters into condensed water storage tank through condensed steam; Vapour-liquid solid separator bottom connects vertical circulation pipe; Vertical circulation pipe is equipped with concentrated solution outlet, liquor inlet and electromagnetic flowmeter, vertical circulation pipe is connected with pump inlet by one section of horizontal cyclic pipe; Circulating-pump outlet is connected with the lower tube box of heat exchanger by circulation pipe.
2. the vapor-liquid-solid three-phase augmentation of heat transfer multi-pipe heat exchanger apparatus that distributes again of solid particle according to claim 1, it is characterized in that: distribution of particles plate is formed by its side coupling grafting by distribution grid unit, distribution grid unit is hollow round table structure, side and lower surface angle are 15 ~ 45 °, distribution grid unit side has 4 ~ 8 circular opens, distribution grid unit side coupling, annulus and the cylinder of half hollow of sectional area different diameters 0.5mm respectively, by being inserted in annulus by cylinder, complete the grafting of distribution grid unit.
3. the vapor-liquid-solid three-phase augmentation of heat transfer multi-pipe heat exchanger apparatus that distributes again of solid particle according to claim 1, is characterized in that: gas outlet is equipped with on vapour-liquid solid separator top; Solid particle charging aperture is equipped with in side, carries out supplementing of solid particle.
4. the vapor-liquid-solid three-phase augmentation of heat transfer multi-pipe heat exchanger apparatus that distributes again of solid particle according to claim 1, it is characterized in that: the solid particle added is polytetrafluoroethylene (PTFE) ball, polyformaldehyde ball, glass marble, the diameter of solid particle is 1 ~ 3mm; Rate of flow of fluid in circulation pipe controls at 1.5 ~ 2.5m/s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420605510.7U CN204395466U (en) | 2014-10-20 | 2014-10-20 | The vapor-liquid-solid three-phase augmentation of heat transfer multi-pipe heat exchanger that a kind of solid particle distributes again |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420605510.7U CN204395466U (en) | 2014-10-20 | 2014-10-20 | The vapor-liquid-solid three-phase augmentation of heat transfer multi-pipe heat exchanger that a kind of solid particle distributes again |
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| CN204395466U true CN204395466U (en) | 2015-06-17 |
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| CN201420605510.7U Expired - Fee Related CN204395466U (en) | 2014-10-20 | 2014-10-20 | The vapor-liquid-solid three-phase augmentation of heat transfer multi-pipe heat exchanger that a kind of solid particle distributes again |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105344122A (en) * | 2015-09-02 | 2016-02-24 | 湖北合加环境设备有限公司 | Horizontal falling film evaporator capable of descaling in online manner |
| CN105833563A (en) * | 2016-05-12 | 2016-08-10 | 江阴市江中设备制造有限公司 | Non-scaling heating assembly and evaporative crystallization device with same |
| CN105854339A (en) * | 2016-05-12 | 2016-08-17 | 江阴市江中设备制造有限公司 | MVR (mechanical vapor recompression) evaporative crystallizer with scale removing and preventing functions |
| CN106215438A (en) * | 2016-08-26 | 2016-12-14 | 海洲环保集团有限公司 | Three-phase fluidized bed evaporator |
| CN106440869A (en) * | 2016-08-30 | 2017-02-22 | 朱清敏 | Self-cleaning cyclic heat-exchange device |
| CN108862223A (en) * | 2018-09-07 | 2018-11-23 | 云南云天化股份有限公司 | A kind of effective method for extending the Phosphoric Acid Concentration system equipment cleaning frequency |
| CN109354090A (en) * | 2018-11-26 | 2019-02-19 | 东南大学 | A kind of desulfurization wastewater evaporator and method with inert carrier circulation |
| CN114026046A (en) * | 2019-05-31 | 2022-02-08 | 克拉伦国际有限公司 | Wastewater treatment by evaporation and prevention of dirt with several cleaning particles |
-
2014
- 2014-10-20 CN CN201420605510.7U patent/CN204395466U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105344122A (en) * | 2015-09-02 | 2016-02-24 | 湖北合加环境设备有限公司 | Horizontal falling film evaporator capable of descaling in online manner |
| CN105833563A (en) * | 2016-05-12 | 2016-08-10 | 江阴市江中设备制造有限公司 | Non-scaling heating assembly and evaporative crystallization device with same |
| CN105854339A (en) * | 2016-05-12 | 2016-08-17 | 江阴市江中设备制造有限公司 | MVR (mechanical vapor recompression) evaporative crystallizer with scale removing and preventing functions |
| CN106215438A (en) * | 2016-08-26 | 2016-12-14 | 海洲环保集团有限公司 | Three-phase fluidized bed evaporator |
| CN106440869A (en) * | 2016-08-30 | 2017-02-22 | 朱清敏 | Self-cleaning cyclic heat-exchange device |
| CN106440869B (en) * | 2016-08-30 | 2019-09-27 | 朱清敏 | Automatically cleaning cycle heat exchange device |
| CN108862223A (en) * | 2018-09-07 | 2018-11-23 | 云南云天化股份有限公司 | A kind of effective method for extending the Phosphoric Acid Concentration system equipment cleaning frequency |
| CN109354090A (en) * | 2018-11-26 | 2019-02-19 | 东南大学 | A kind of desulfurization wastewater evaporator and method with inert carrier circulation |
| CN114026046A (en) * | 2019-05-31 | 2022-02-08 | 克拉伦国际有限公司 | Wastewater treatment by evaporation and prevention of dirt with several cleaning particles |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20151020 |
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| EXPY | Termination of patent right or utility model |