CN200941017Y - High efficiency, constant flow rate heat recovery device - Google Patents
High efficiency, constant flow rate heat recovery device Download PDFInfo
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- CN200941017Y CN200941017Y CN 200620086545 CN200620086545U CN200941017Y CN 200941017 Y CN200941017 Y CN 200941017Y CN 200620086545 CN200620086545 CN 200620086545 CN 200620086545 U CN200620086545 U CN 200620086545U CN 200941017 Y CN200941017 Y CN 200941017Y
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- heat
- heat exchange
- uniform flow
- exchange tubes
- refrigerant
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Abstract
The uniform flow sensible heat saver belongs to the field of heat engineering equipment, which consists of an upper and a lower head, a heat saver body and fixed flanges, and which is characterized in that a group of heat exchange tubes (5) are arranged between the upper and lower tube sheets (12) (14) of the heat saver body (4). A baffle board (6) is provided inside the heat exchange tubes (5); a refrigerant inlet duct (7) is provided on the upper side of the heat saver body (4); and provided on the lower side of the heat saver body is a refrigerant outgoing duct (13). A cooling water inlet duct (8) and outgoing duct (9) are positioned on the upper head (11) where a bleeder duct (10) is provided on the top. An exhaust duct (2) is positioned at the bottom of the lower head (3). The heat saver body (4) is connected to the upper (11) and lower (3) heads through the flange (18). Adopting the technique of layout of shot vertical tubes and disturbance of liquid film, instantly separating the liquid film from the gas phase with use of gravity, the heat saver can effectively maintain the refrigerant steam, in the whole cooling process, in a high-efficiency exchange condition of cooling of the thin liquid film, thereby reducing the heat resistance and improving the overall heat exchange coefficient.
Description
Technical field
The utility model relates to the efficient sensible heat recover of a kind of uniform flow, belongs to the Thermal Equipment field.
Technical background
As everyone knows, can produce a large amount of used heat in the compressor of air conditioner course of work, its heat equals total amount of heat that air-conditioning system absorbs from surrounding space and adds compressor of air conditioner the motor feels hot the comprehensive of amount.Water-cooling type air-conditioning unit is discharged into this part heat in the atmospheric environment by condenser fan by cooling tower, Wind-cooling type air-conditioning unit and goes, and this has caused certain waste virtually.Heat recovery technology utilizes this part heat to obtain hot water exactly, with the purpose that realizes that used heat utilizes.The core of heat recovery technology is a heat regenerator, heat regenerator can be called " superheated vapor cooler " or " water heater " again, its major function is to realize compressor of air conditioner be in operation high temperature refrigerant steam that gives off and the exchange that is heated cold water, the heat that compressor discharge is gone out converts available hot water to, and its essence is exactly efficient steam one water heat exchanger.At present this technology is widely used in piston type, the centrifugal and screw cold water air-conditioning unit.
Heat regenerator in the market mainly contains two kinds of patterns, and a kind of is the horizontal shell and tube type heat regenerator, and its structure adopts the horizontal tube condensation, along with constantly condensing of gas phase, the thickness of liquid film progressive additive on heat exchanger tube surface increases thermal resistance, influences the heat exchange effect, while condensing along with steam, the steam flow velocity obviously descends, and the condensation effect that weakened causes the coefficient of heat transfer to reduce, in order to satisfy enough heat exchange areas, will inevitably increase volume, the weight of heat regenerator.Another kind is board-like heat regenerator, though this kind heat regenerator heat exchange effect is improved, the long-time running meeting causes the fouling of water side system, and cleans very difficulty after the fouling of this kind heat regenerator.So two kinds of heat regenerators exist processing and the high shortcoming of operating cost.
The utility model content
According to above deficiency of the prior art, the technical problems to be solved in the utility model is: the vertical short tube layout of a kind of employing, thin liquid film perturbation technique are provided, utilize gravity that liquid film is separated immediately with gas phase, realize that refrigerant vapor can both maintain the high efficient heat exchanging operating mode of thin liquid film condensation effectively in omnidistance condensation process, utilize the thickness of flow design attenuate liquid film effectively simultaneously, keeping condensation surface is unstable thin liquid film or dropwise condensation form, reach the reduction thermal resistance, improve the efficient sensible heat recover of uniform flow of the purpose of total coefficient of heat transfer the biglyyest.
The technical scheme that its technical problem that solves the utility model adopts is: the efficient sensible heat recover of this uniform flow, comprise, low head, heat regenerator body and mounting flange, it is characterized in that: on the heat regenerator body, settle short set of heat exchange tubes between the lower perforated plate, deflection plate is set in the set of heat exchange tubes, heat regenerator body top one side is provided with the refrigerant air inlet pipe, the opposite side bottom is provided with the refrigerant escape pipe, cooling water inlet pipe and cooling water outlet pipe are set on the upper cover, the top is provided with bleeder pipe, the low head bottom is provided with drainpipe, heat regenerator body and upper cover, low head connects by flange.
Place the set of heat exchange tubes between the upper and lower tube sheet of heat regenerator body to be many, the vertical installation.Its length and quantity are decided according to load, and different loads has the set of heat exchange tubes of different length and quantity.
Deflection plate is tabular, and one or more is set, and constitutes baffle groups, and the polylith deflection plate is staggered to be installed, and is provided with and the corresponding pore of set of heat exchange tubes on the baffle groups.Pore quantity is decided according to heat exchange tube design.
The dividing plate that has aperture is set in the middle of the refrigerant air inlet pipe.Can guarantee the uniformity of branch gas, and can control the steam flow velocity of each side, effectively improve heat exchange efficiency, and make full use of the recover body plenum.
Dividing plate is set in the middle of the upper cover, in the middle of the low head dividing plate is set, the bottom is provided with bearing.
The heat regenerator body is designed to one or more levels, connects with the tube sheet case between every two-stage.
Compared with prior art, the beneficial effect that the efficient sensible heat recover of the utility model uniform flow is had is: adopt vertical short tube layout, thin liquid film perturbation scheme, utilize gravity and thin liquid film effect to realize separating automatically of liquid film and gas phase, refrigerant vapor directly contact with the heat exchanger tube surface and keep the higher coefficient of heat transfer, improved the shortcoming that causes coefficient of heat transfer decline in the legacy equipment because of liquid film covering heat exchange surface; The layout of deflection plate in the recover body, the generation that has slowed down incrustation scale greatly after making cooling water enter has prolonged service life; While is at the dividing plate with holes of the air inlet pipe setting of refrigerant.Guaranteed to divide the uniformity of gas, and can control the steam flow velocity well, effectively raised heat exchange efficiency, and can make full use of the heat regenerator space, reduced production costs.Upper and lower end socket adopts bolt to be connected with the heat regenerator body, is convenient to care and maintenance.The utility model processing is simple, does not need any special processing technology, and cost is low, and good reliability need not increase any operating cost after the configuration.
Description of drawings
Fig. 1 is a heat regenerator body construction cross-sectional schematic of the present utility model;
Fig. 2 is that the A of Fig. 1 is to schematic diagram;
Fig. 3, the 4th, the local enlarged diagram of B;
Fig. 5 is that C is to schematic diagram.
Fig. 1-the 5th, the preferred example of the efficient sensible heat recover of the utility model uniform flow, wherein: 1, bearing 2, drainpipe 3, low head 4, heat regenerator body 5, set of heat exchange tubes 6, deflection plate 7, refrigerant air inlet pipe 8, cooling water inlet pipe 9, cooling water outlet pipe 10, bleeder pipe 11, upper cover 12, upper perforated plate 13, refrigerant escape pipe 14, lower perforated plate 15, seal washer 16 upper cover dividing plates 17, baffle plate 18, flange 19, low head dividing plate.
The specific embodiment
Below in conjunction with accompanying drawing the efficient sensible heat recover of the utility model uniform flow is described further:
As shown in Figure 1, the efficient sensible heat recover of this uniform flow is the out-tubular condensing type: be made up of bearing 1, drainpipe 2, low head 3, heat regenerator body 4, set of heat exchange tubes 5, deflection plate 6, refrigerant air inlet pipe 7, cooling water inlet pipe 8, cooling water outlet pipe 9, bleeder pipe 10, upper cover 11, upper perforated plate 12, refrigerant escape pipe 13, lower perforated plate 14, seal washer 15, upper cover dividing plate 16, baffle plate 17, flange 18 and low head dividing plate 19.Low head 3 is established drainpipe 2, heat regenerator not the time spent be convenient to the cooling water emptying, be connected with flange 18 between upper and lower end socket 3,11 and the heat regenerator body 4.Heat regenerator body 4 tops are provided with refrigerant air inlet pipe 7, and lowest part is provided with refrigerant escape pipe 13.Heat regenerator body 4 positioned inside set of heat exchange tubes 5 and deflection plate 6 are provided with and the corresponding pore of tube sheet on the deflection plate 6, and refrigerant air inlet pipe 7 places settle narrow meshed baffle plate 17.Between heat regenerator body 4 and upper cover 11, the low head 3 seal washer 15 is installed, connects by flange 18.Low head 3 bottoms are equipped with bearing 1.
Set of heat exchange tubes 5 is that many short heat exchanger tubes are formed, and set of heat exchange tubes 5 links to each other with refrigerant escape pipe 13 with refrigerant air inlet pipe 7.Set of heat exchange tubes 5 is vertically placed, and its length and quantity are decided according to load, and different loads has the set of heat exchange tubes of different length and quantity.Deflection plate 6 is installed on the set of heat exchange tubes 5, and deflection plate 6 is tabular, and one or more is set as required.Polylith deflection plate 6 staggered installations.Be provided with and set of heat exchange tubes 5 corresponding pores on the deflection plate 6, pore quantity is decided according to the quantity design of set of heat exchange tubes 5.Set of heat exchange tubes 5 is passed the pore on the deflection plate 6.
As shown in Figure 2, cooling water inlet pipe 8 and cooling water outlet pipe 9 are arranged on the upper cover 11, the centre is provided with dividing plate 16, and cooling water flow path is provided with rationally, improves the heat exchange effect.
Shown in Fig. 3,4, in the middle of the refrigerant air inlet pipe 7 narrow meshed baffle plate 17 is set, guarantee the uniformity of branch gas.
As shown in Figure 5, in the middle of the low head 3 dividing plate 19 is set, the bottom is provided with bearing 1, between upper cover 11, the low head 3 seal washer 15 is installed, and connects by flange 18.
The operation principle and the course of work: cooling water is entered by the cooling water inlet pipe 8 of upper cover 11, through several flow processs that dividing plate 16 and dividing plate 19 intercept, carries out being discharged by cooling water outlet pipe 9 after the heat exchange with set of heat exchange tubes 5.Refrigerant vapor enters heat regenerator body 4 by the refrigerant air inlet pipe 7 on the heat regenerator body 4, and is descending under the obstruct of deflection plate 6, carries out heat exchange with cooling water in the pipe after the refrigerant escape pipe 13 of heat regenerator body 4 lower ends is discharged; The condensate liquid that forms in the set of heat exchange tubes 5 in the heat transfer process flows out downwards under the gravity effect.
The efficient sensible heat recover of the utility model uniform flow adopts vertical short tube thin liquid film perturbation scheme, utilize gravity and thin liquid film effect to realize separating automatically of liquid film and gas phase, thereby refrigerant vapor is directly contacted with the heat exchanger tube surface improved the coefficient of heat transfer greatly, its recuperation of heat amount is big, can improve the efficient of air-conditioning unit after the access greatly, save the unit power consumption, the load of unit is reduced, prolonged the service life of air-conditioning unit greatly.Structural design can guarantee that long-play is less scaling cleverly simultaneously, is convenient to care and maintenance, and processing is simple, and cost is low, and the reliability height does not increase operating cost, meets " energy-conservation and environmental protection " policy of country.
Claims (6)
1, the efficient sensible heat recover of uniform flow, comprise, low head, heat regenerator body and mounting flange, it is characterized in that: on the heat regenerator body (4), lower perforated plate (12), (14) settle short set of heat exchange tubes (5) between, deflection plate (6) is set in the set of heat exchange tubes (5), heat regenerator body (4) top one side is provided with refrigerant air inlet pipe (7), the opposite side bottom is provided with refrigerant escape pipe (13), cooling water inlet pipe (8) and cooling water outlet pipe (9) are set on the upper cover (11), the top is provided with bleeder pipe (10), low head (3) bottom is provided with drainpipe (2), heat regenerator body (4) and upper cover (11), low head (3) connects by flange (18).
2, the efficient sensible heat recover of uniform flow according to claim 1 is characterized in that: place the set of heat exchange tubes (5) between heat regenerator body (4) and upper and lower tube sheet (12), (14) to be many, the vertical installation.
3, the efficient sensible heat recover of uniform flow according to claim 1, it is characterized in that: deflection plate (6) is provided with one or more for tabular, constitutes baffle groups, polylith deflection plate (6) is staggered to be installed, and is provided with and the corresponding pore of set of heat exchange tubes (5) on the baffle groups.
4, the efficient sensible heat recover of uniform flow according to claim 1 is characterized in that: the baffle plate (17) that has aperture is set in the middle of the refrigerant air inlet pipe (7).
5, the efficient sensible heat recover of uniform flow according to claim 1 is characterized in that: dividing plate (16) is set in the middle of the upper cover (11), in the middle of the low head (3) dividing plate (19) is set, the bottom is provided with bearing (1).
6, the efficient sensible heat recover of uniform flow according to claim 1, it is characterized in that: heat regenerator body (4) is designed to one or more levels, connects with the tube sheet case between every two-stage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620086545 CN200941017Y (en) | 2006-06-30 | 2006-06-30 | High efficiency, constant flow rate heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620086545 CN200941017Y (en) | 2006-06-30 | 2006-06-30 | High efficiency, constant flow rate heat recovery device |
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| Publication Number | Publication Date |
|---|---|
| CN200941017Y true CN200941017Y (en) | 2007-08-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620086545 Expired - Fee Related CN200941017Y (en) | 2006-06-30 | 2006-06-30 | High efficiency, constant flow rate heat recovery device |
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| CN (1) | CN200941017Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103251123A (en) * | 2013-05-24 | 2013-08-21 | 河南中烟工业有限责任公司 | Waste heat recovery system of vacuum damping machine |
| CN106839819A (en) * | 2017-03-29 | 2017-06-13 | 无锡市利宝德工业设备制造有限公司 | Oscillatory type heat exchanger |
| CN108917235A (en) * | 2018-07-23 | 2018-11-30 | 麦克维尔空调制冷(武汉)有限公司 | A kind of vertical (type) condenser |
| CN111306966A (en) * | 2020-03-31 | 2020-06-19 | 西南交通大学 | Water-cooling and air-cooling double-cooling heat exchanger and method based on annular microchannel |
-
2006
- 2006-06-30 CN CN 200620086545 patent/CN200941017Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103251123A (en) * | 2013-05-24 | 2013-08-21 | 河南中烟工业有限责任公司 | Waste heat recovery system of vacuum damping machine |
| CN103251123B (en) * | 2013-05-24 | 2016-03-02 | 河南中烟工业有限责任公司 | A kind of vacuum conditioner residual neat recovering system |
| CN106839819A (en) * | 2017-03-29 | 2017-06-13 | 无锡市利宝德工业设备制造有限公司 | Oscillatory type heat exchanger |
| CN108917235A (en) * | 2018-07-23 | 2018-11-30 | 麦克维尔空调制冷(武汉)有限公司 | A kind of vertical (type) condenser |
| CN111306966A (en) * | 2020-03-31 | 2020-06-19 | 西南交通大学 | Water-cooling and air-cooling double-cooling heat exchanger and method based on annular microchannel |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |