CN204097126U - A kind of vaporizer - Google Patents
A kind of vaporizer Download PDFInfo
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- CN204097126U CN204097126U CN201420546009.8U CN201420546009U CN204097126U CN 204097126 U CN204097126 U CN 204097126U CN 201420546009 U CN201420546009 U CN 201420546009U CN 204097126 U CN204097126 U CN 204097126U
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Abstract
The utility model embodiment provides a kind of vaporizer, belongs to field of industrial waste water treatment, to solve the problem that inconvenience installed and used by existing vaporizer.Described vaporizer comprises: cooling tower and tube and shell heat exchanger, described cooling tower comprises housing, and at the pond district that enclosure interior sets gradually from the bottom to top, packing area, atomizing sprayer and blower fan, wherein, described cooling tower is communicated with described tube and shell heat exchanger by recycle pump.The utility model can be used in the evaporation of the brine waste produced in industrial production.
Description
Technical field
The utility model relates to field of industrial waste water treatment, particularly relates to a kind of vaporizer.
Background technology
Industrial development is the major source of environmental pollution, and the emission treatment of trade effluent is the large emphasis solving problem of environmental pollution.In trade effluent, the process of the brine waste that chemical plant, power plant etc. produce is one of focus of current research.
The brine waste vaporizer of current industrial frequent use mostly is single-effect evaporator, multiple-effect evaporator, mechanical steam recompression vaporizer.Wherein, the secondary steam that single-effect evaporator produces directly is discharged, cause a large amount of energy loss, can not be satisfied with industrial for energy-conservation demand, so those skilled in the art favor more in use multiple-effect evaporator and mechanical steam recompression vaporizer.But find when using multiple-effect evaporator and mechanical steam recompression vaporizer to process brine waste, existing vaporizer mostly is the integral structure that cooling tower and tube and shell heat exchanger form jointly, because it is bulky, it is made to install and use very inconvenience.
For the problems referred to above, a kind of vaporizer being convenient to install and use is provided to be the important topic that those skilled in the art face.
Utility model content
The utility model provides a kind of vaporizer, to solve the problem that inconvenience installed and used by existing vaporizer.
For achieving the above object, embodiment of the present utility model adopts following technical scheme:
A kind of vaporizer, comprising: cooling tower and tube and shell heat exchanger, described cooling tower comprises housing, and at the pond district that enclosure interior sets gradually from the bottom to top, packing area, atomizing sprayer and blower fan, wherein,
Described cooling tower is communicated with described tube and shell heat exchanger by recycle pump.
Further, between described packing area and described atomizing sprayer, also heat exchange coil is provided with.
Further, described heat exchange coil is capillary bed.
Particularly, described capillary bed adopts the one in atactic copolymerized polypropene, corrosion-resistant polyvinyl chloride, tetrafluoroethylene, stainless steel, copper, nickel steel material.
Alternatively, described capillary bed is the carbon steel pipe that outer wall is enclosed with anticorrosion material.
Alternatively, the packing height of the filler in described packing area is the 1/3-2/3 of the spatial altitude between described heat exchange coil to described pond district.
Alternatively, before by the filling compaction in described packing area, the packing volume of filling in described packing area is 1.2-3 with the ratio of described packing area volume.
Further, the filler in described packing area is cellular polyurethane material.
Alternatively, described tube and shell heat exchanger comprises heating surface bank, and described heating surface bank is capillary bed.
Further, described tube and shell heat exchanger adopts the one in atactic copolymerized polypropene, corrosion-resistant polyvinyl chloride, tetrafluoroethylene, stainless steel, copper, nickel steel material.
The utility model embodiment provides a kind of vaporizer, this vaporizer mainly comprises cooling tower and tube and shell heat exchanger, wherein, these two portions are communicated with by recycle pump, tube and shell heat exchanger can heat up to brine waste, brine waste after intensification then changes into vaporific by cooling tower, makes itself and air carry out sufficient heat exchange to evaporate completely.By the evaporation part (cooling tower) of vaporizer and heating part (tube and shell heat exchanger) split design, be applicable to different plant layouts, and installation process is also more flexible, inconvenient problem installed by solution vaporizer that can be good.
Accompanying drawing explanation
The structural representation of the vaporizer that Fig. 1 provides for the utility model embodiment;
Another structural representation of the vaporizer that Fig. 2 provides for the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Below in conjunction with accompanying drawing, the vaporizer that the utility model provides is described in detail.
The utility model embodiment provides a kind of vaporizer, and as shown in Figure 1, described vaporizer comprises:
Cooling tower 1 and tube and shell heat exchanger 2, described cooling tower comprises housing 11, and the pond district 12 to set gradually from the bottom to top in housing 11 inside, packing area 13, atomizing sprayer 14 and blower fan 15, wherein, cooling tower 1 is communicated with tube and shell heat exchanger 2 by recycle pump 3.
Vaporizer is the phase-state change utilizing material, makes the device that heat transmits between different media.In general, in the vaporizer for brine waste process, provide thermal source by the external world, brine waste displaces heat in order to heat up and to evaporate from thermal source.In order to save energy, this thermal source or the water vapour obtained by upper level evaporator evaporation provide, or the water vapour to be obtained by this evaporator evaporation heats up through overdraft and obtains, these two kinds of modes all need a lot of equipment to complete whole evaporative process, and be integral type due to the structure of wherein vaporizer, cause installing and using all very inconvenience.And by cooling tower 1 and tube and shell heat exchanger 2 split design in the utility model, the space that in factory, many places are relatively little can be utilized better, and compared to prior art, its installation, dismounting and use are all more convenient.
In an embodiment of the present utility model, the heat source temperature of vaporizer is 30 DEG C-80 DEG C, and this is because factory's used heat such as current recirculated water are divided into high-temperature hot and Low Temperature Thermal more, and the utility value of Low Temperature Thermal is not high, how to be discharged arbitrarily, thus caused a large amount of low temperature heat energy wastes.The utility model wishes the low-temperature waste heat that can make full use of these plant emissions, therefore the heat source temperature of vaporizer is designed to 30 DEG C-80 DEG C.This heat source temperature is arranged within the scope of this, to utilize these low temperature heat energies to carry out primary evaporator to brine waste fully on the one hand, on the other hand can also reduce subsequent high temperature on the basis utilizing low temperature heat energy to carry out evaporating and evaporate the heat source temperature used, thus saving heat energy better.
In another embodiment of the present utility model, between packing area 13 and atomizing sprayer 14, be also provided with heat exchange coil 16.The heat source temperature adopted in the utility model is relatively low, in order to displace heat from thermal source better, is provided with described heat exchange coil 16.Be converted into vaporific brine waste elder generation and heat exchange coil 16 surface contact by atomizing sprayer 14, carry out second-heating, brine waste can be evaporated in air quickly, thus improve vaporization efficiency.
In another embodiment of the present utility model, heat exchange coil 16 is capillary bed.Because the specific surface area of kapillary is very big, be made into the netted contact area that significantly can increase thermal source wherein and brine waste, thermal exchange can be made more rapid, thus the vaporization efficiency of brine waste is improved further.Be understandable that, those skilled in the art can arrange the caliber of heat exchange coil 16 according to the water yield of the brine waste carrying out evaporation process, to keep the normal circulation of brine waste in vaporizer.In addition.Those skilled in the art also can use the structure of other type as heat exchange coil 16, if enable structure used meet specific surface area large, fully contact with handled brine waste.
In another embodiment of the present utility model, described capillary bed adopts the one in atactic copolymerized polypropene, corrosion-resistant polyvinyl chloride, tetrafluoroethylene, stainless steel, copper, nickel steel material.Owing to containing a large amount of materials such as industrial salt, bronsted lowry acids and bases bronsted lowry in brine waste, very easily the infringements such as corrosion are caused to the recycle system inwall of vaporizer, especially evaporating in the process of carrying out, evaporate the rising of concentration increase and the temperature caused, by making, the water quality of brine waste and temperature etc. are more extreme, thus make the infringement suffered by the inwall of the recycle system even more serious.Therefore the utility model embodiment has selected above-mentioned material, and these materials have characteristic that is corrosion-resistant, high temperature resistant or high-temperature corrosion resistance, can improve the work-ing life of vaporizer to greatest extent.
In another embodiment of the present utility model, described capillary bed is the carbon steel pipe that outer wall is enclosed with anticorrosion material, the carbon steel pipe adopting outer wall to be enclosed with anticorrosion material can realize, under corrosion-resistant, the resistant to elevated temperatures prerequisite of capillary bed, reducing raw materials cost to a certain extent.Be understandable that, the material of capillary bed, structure are not limited to above-mentioned situation, those skilled in the art can arrange suitable material, structure, caliber etc. according to the difference of the actual water quality of handled brine waste, make this applicable scope of vaporizer institute more extensive.
In another embodiment of the present utility model, the packing height of the filler in described packing area 13 is the 1/3-2/3 of the spatial altitude between described heat exchange coil 16 to described pond district 12.Because brine waste is after atomizing sprayer 14 is atomized, need to condense on larger air contact surfaces, to evaporate, and adopt loose porous filler more air contact surfaces can be provided to amass for the evaporation of brine waste.Therefore, adopt above-mentioned packing height reasonably can either utilize space in cooling tower 1, enough large air contact surfaces can either be provided to amass for the brine waste after atomization, enough spaces can be retained in cooling tower 1 again, the water vapor transfer that evaporation produces can be gone out rapidly and unhinderedly by blower fan 15.Finally improve the vaporization efficiency of vaporizer.
Of the present utility model enter in an embodiment, before by the filling compaction in described packing area, the packing volume of filling in described packing area is 1.2-3 with the ratio of described packing area volume.The content providing air contact surfaces to make brine waste condense to carry out evaporating thereon about filler is above-mentioned have been mentioned, it should be noted that here, the compaction of filler is higher, and the air contact surfaces comprised in the filler of unit volume is larger; And compaction's deficiency of filler will make partial filler puffing in vaporizer operational process, cause partial water flow resistance uneven, affect the normal operation of vaporizer.Therefore in the present embodiment, the packing volume of filling in described packing area and the ratio of described packing area volume are located in above-mentioned scope, wherein, the ratio of preferred volume is 1.5, under this volume ratio, can either provide enough large and suitable air contact surfaces for the evaporation of brine waste, also the filler after compacting can be filled up whole packing area 13 (ratio of the packing volume namely after compacting and packing area 13 volume is 1), thus to greatest extent for the evaporation of brine waste provides air contact surfaces to amass, to improve the vaporization efficiency of brine waste.
In another embodiment of the present utility model, the mode of the filling of filler has two kinds: filler is made the square that multiple length of side is 5cm-10cm and (if square volume is too small, easily washed away by current by the first filling mode, and volume cross senior general cause filling difficulty higher), then these squares are seated in cage type framework, after cage type framework fills up by the filler after compacting to be used, cage type framework is integrally provided in packing area 13; Filler is then made multiple module by the second filling mode, and the cross section of this module is identical with the cross section of cooling tower 1, these modules is stratified and set on below heat exchange coil 16 as required.In above-mentioned two kinds of filling modes, the former is relatively simple to operate, be easy to install and application.Brine waste after latter can make condensation repeatedly evaporates, and has reasonable evaporation effect, and those skilled in the art can select suitable filling mode to carry out the filling of filler according to practical situation.
In another embodiment of the present utility model, the filler in packing area 13 is poromeric polyurethane material.Poromeric polyurethane material is shaping easily, have porous, tamped density is large, specific surface area is large, intensity is large advantage, can provide larger air contact surfaces, the vaporization efficiency of brine waste is further improved for the brine waste condensing in its surface.Be understandable that, those skilled in the art can also use the material of other type as filler, if enable material used meet specific surface area large, provide sufficient air contact surfaces for brine waste.
In another embodiment of the present utility model, tube and shell heat exchanger 2 comprises heating surface bank 21, and heating surface bank 21 is capillary bed.The material of the capillary bed that capillary bed as used herein is used with above-mentioned heat exchange coil 16 is identical, acts on identical, is to provide larger heat source-contacting surface to amass equally, thus improves heat exchange efficiency, repeat no more herein.
Of the present utility model enter in an embodiment, tube and shell heat exchanger adopts the one in atactic copolymerized polypropene, corrosion-resistant polyvinyl chloride, tetrafluoroethylene, stainless steel, copper, nickel steel material.Owing to needing the circular flow carrying out brine waste and thermal source in tube and shell heat exchanger 2, therefore tube and shell heat exchanger 2 is also easy to the phenomenon such as acid and alkali corrosion, high temperature corrosion occurs, and then causes damage to it.In order to avoid above-mentioned infringement, the material of above-mentioned corrosion-resistant, high temperature or high temperature corrosion can be adopted to manufacture tube and shell heat exchanger 2.Be understandable that, those skilled in the art can also select in above-mentioned material scope according to practical situation, and these materials can be applied in the part directly contacted with brine waste or thermal source in tube and shell heat exchanger 2 by emphasis.
In another embodiment of the present utility model, as shown in Figure 2, above the packing area 13 of cooling tower 1, heat exchange coil 16 can not also be provided with below atomizing sprayer 14.This is that the brine waste amount produced due to some industry is relatively less, even if do not carry out second-heating on heat exchange coil 16, only also can evaporate on filler completely, not need heat exchange coil 16 to provide heat further.Those skilled in the art can determine it whether above the packing area 13 of cooling tower 1, arrange heat exchange coil 16 below atomizing sprayer 14 according to practical situation.
In another embodiment of the present utility model, according to requirement of engineering, tube and shell heat exchanger 2 can not arrange housing, when evaporating, make brine waste through heating surface bank 21, then heating surface bank 21 entirety is directly put into the yield zone of high-temperature medium, be understandable that, at this moment need to increase a water tank in the outlet of tube and shell heat exchanger 2 to be communicated with water circulating pump, to complete the vaporization cycle of brine waste.In the present embodiment, in the yield zone of thermal source comparatively large and nearer apart from vaporizer time, owing to not being provided with housing in tube and shell heat exchanger 2, heating surface bank 21 directly can be put into the yield zone of thermal source, now just do not need to import thermal source in tube and shell heat exchanger 2, thus can cost be saved, improve vaporization efficiency.
The utility model embodiment provides a kind of vaporizer, and this vaporizer mainly comprises cooling tower and tube and shell heat exchanger, and these two portions are communicated with by recycle pump.Wherein, brine waste heats up by tube and shell heat exchanger, and the brine waste after intensification then changes into vaporific and provides evaporation place for it by cooling tower.By the evaporation part (cooling tower) of vaporizer and heating part (tube and shell heat exchanger) split design, be applicable to different plant layouts, and installation process is also more flexible, inconvenient problem installed by solution vaporizer that can be good.
Illustrate the evaporative process of the vaporizer that brine waste provides in the utility model embodiment below in conjunction with accompanying drawing, be specially:
As shown in Figure 1, the thermal source of 30 DEG C-80 DEG C is provided to vaporizer, the heating surface bank of brine waste first in tube and shell heat exchanger 2, after the heat source temperature that brine waste rises to setting, boosted by recycle pump 3, enter cooling tower 1, be sprayed onto on filler or heat exchange coil 16 after being atomized by atomizing sprayer 14, by the air inducing effect of blower fan 15, at filler or/and the surface of heat exchange coil 16 is evaporated, not evaporating brine waste completely converges in pond 12, circulation is re-started by recycle pump 3 inflow pipe shell heat exchanger 2, until brine waste is evaporated or is reached finite concentration.
In another specific embodiment, in above-mentioned evaporative process, when thermal source is liquid, the thermal source in tube and shell heat exchanger 2 and brine waste also commutative position run, and namely brine waste runs in the housing, and thermal source runs in heating surface bank 21.Both water quality is depended in the selection of both travel positions, and because heating surface bank 21 is capillary bed, caliber is less and be easy to blocking, therefore, the thermal source run wherein or the impurity contained by brine waste must be relatively less, and water quality relatively better (hardness is lower, and silicone content is lower).Based on above-mentioned condition, those skilled in the art can select the travel position of thermal source and brine waste according to practical situation.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still in the protection domain that the utility model creates.
Claims (10)
1. a vaporizer, is characterized in that, comprising: cooling tower and tube and shell heat exchanger, and described cooling tower comprises housing, and at the pond district that enclosure interior sets gradually from the bottom to top, packing area, atomizing sprayer and blower fan, wherein,
Described cooling tower is communicated with described tube and shell heat exchanger by recycle pump.
2. vaporizer according to claim 1, is characterized in that, between described packing area and described atomizing sprayer, be also provided with heat exchange coil.
3. vaporizer according to claim 2, is characterized in that, described heat exchange coil is capillary bed.
4. vaporizer according to claim 3, is characterized in that, described capillary bed adopts the one in atactic copolymerized polypropene, corrosion-resistant polyvinyl chloride, tetrafluoroethylene, stainless steel, copper, nickel steel material.
5. vaporizer according to claim 3, is characterized in that, described capillary bed is the carbon steel pipe that outer wall is enclosed with anticorrosion material.
6. vaporizer according to claim 1, is characterized in that, the packing height of the filler in described packing area is the 1/3-2/3 of the spatial altitude between described heat exchange coil to described pond district.
7. vaporizer according to claim 1, is characterized in that, before by the filling compaction in described packing area, the packing volume of filling in described packing area is 1.2-3 with the ratio of described packing area volume.
8. the vaporizer according to claim 6 or 7, is characterized in that, the filler in described packing area is cellular polyurethane material.
9. vaporizer according to claim 1, is characterized in that, described tube and shell heat exchanger comprises heating surface bank, and described heating surface bank is capillary bed.
10. vaporizer according to claim 9, is characterized in that, described tube and shell heat exchanger adopts the one in atactic copolymerized polypropene, corrosion-resistant polyvinyl chloride, tetrafluoroethylene, stainless steel, copper, nickel steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420546009.8U CN204097126U (en) | 2014-09-22 | 2014-09-22 | A kind of vaporizer |
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| CN201420546009.8U CN204097126U (en) | 2014-09-22 | 2014-09-22 | A kind of vaporizer |
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| CN204097126U true CN204097126U (en) | 2015-01-14 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108106451A (en) * | 2018-01-29 | 2018-06-01 | 山东大华环境节能科技有限公司 | A kind of associative form closed cooling tower with accurate energy adjustment |
| CN113651386A (en) * | 2021-08-12 | 2021-11-16 | 重庆钢铁股份有限公司 | Stripping tower for denitrification |
| CN113772864A (en) * | 2021-08-30 | 2021-12-10 | 上海润风智能科技有限公司 | Zero-emission process method for more efficiently utilizing waste heat |
-
2014
- 2014-09-22 CN CN201420546009.8U patent/CN204097126U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108106451A (en) * | 2018-01-29 | 2018-06-01 | 山东大华环境节能科技有限公司 | A kind of associative form closed cooling tower with accurate energy adjustment |
| CN113651386A (en) * | 2021-08-12 | 2021-11-16 | 重庆钢铁股份有限公司 | Stripping tower for denitrification |
| CN113772864A (en) * | 2021-08-30 | 2021-12-10 | 上海润风智能科技有限公司 | Zero-emission process method for more efficiently utilizing waste heat |
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Effective date of registration: 20170901 Address after: 100192, A, room five, building B-6, building No. 502, Zhongguancun Dongsheng science and Technology Park, Dongsheng Road, Haidian District, 66, Beijing, Patentee after: Beijing Novel Environmental Protection Co., Ltd. Address before: The 065001 Hebei economic and Technological Development Zone of Langfang Huaxiang new Austrian Science and Technology Park in the Southern District B building room 522 Patentee before: ENN SCIENCE & TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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