CN205315058U - Power generation facility of aromatic hydrocarbon mill technology waste heat - Google Patents
Power generation facility of aromatic hydrocarbon mill technology waste heat Download PDFInfo
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- CN205315058U CN205315058U CN201620023829.8U CN201620023829U CN205315058U CN 205315058 U CN205315058 U CN 205315058U CN 201620023829 U CN201620023829 U CN 201620023829U CN 205315058 U CN205315058 U CN 205315058U
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- air
- cooler
- heat
- heat exchanger
- power generation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Abstract
The utility model belongs to the technical field of the cogeneration technique and specifically relates to an utilize the device of aromatic hydrocarbon factory production technology cogeneration, this waste heat of power generation facility flow is simple, and it is convenient to implement, and the operation is reliable high -efficient to effectively improve the economic benefits of aromatic hydrocarbon mill. The utility model discloses a power generation facility of aromatic hydrocarbon mill technology waste heat which characterized in that: including an at least electricity generation branch road, every electricity generation branch road includes the heat transfer evaporimeter, use the alkanes for send out dielectric the turbine generation unit, the air but cools ware, circulating pump, heat exchanger, wherein, the air but cold ware and heat transfer evaporimeter the tube side separately through the pipe connection between the pipeline and technology return tank that the technology top of the tower was drawn forth, the shell side of the shell side of heat transfer evaporimeter, turbine generation unit, heat exchanger, the air but tube side of cold ware, circulating pump and heat exchanger pass through pipe connection one -tenth circulation pipeline.
Description
Technical field
This utility model relates to cogeneration technology field, especially a kind of device utilizing aromatic hydrocarbons plant production processes cogeneration.
Background technology
In aromatic hydrocarbons process of factory production, adopt substantial amounts of fractionating column, to heat at Fractionator Bottom on the one hand, make the material heat absorption evaporation that needs separate, different according to the boiling point of different material on the other hand, then refrigerated separation. So in the whole production process of aromatic hydrocarbons, there is substantial amounts of low temperature exhaust heat can utilize. At present, in aromatic hydrocarbons factory, these heats are generally all cooled away by air cooler, and air cooler consumes substantial amounts of electric energy.
Have started to utilize process waste to generate electricity now with minority aromatic hydrocarbons factory, heat exchanging evaporator water is adopted to carry out heat exchange, recycling is taken the steam of waste heat out of and is pushed to turbine power generation unit or screw expansion unit, no matter is live (open) steam generating and organic working medium generating, all there is the defect that conversion efficiency of thermoelectric is low, one group of air cooler need to be increased and overlap heat transmission equipment more, system equipment is complicated, and construction investment is big, and engineering construction difficulty is big, and there is fouling of heat exchangers problem after running, difficult in maintenance.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiency in above-mentioned background technology, it is provided that provide a kind of device for generating power by waste heat, and this device for generating power by waste heat flow process is simple, and it is convenient to implement, reliable efficiently, thus being effectively improved the economic benefit of aromatic hydrocarbons factory.
The technical solution adopted in the utility model is as follows: the TRT of a kind of aromatic hydrocarbons factory technics waste heat, it is characterized in that: include at least one generating branch road, every generating branch road include heat exchanging evaporator, with alkanes be power generation medium turbine power generation unit, air but cooler, circulating pump, heat exchanger;
Wherein, the tube side of air but cooler and heat exchanging evaporator is connected between pipeline and the process reflows tank that technique tower top is drawn each via pipeline, and the tube side of the shell side of heat exchanging evaporator, turbine power generation unit, the shell side of heat exchanger, air but cooler, circulating pump and heat exchanger connects into circulation line by pipeline.
As preferably, described TRT also includes alkanes storage tank and fills pump, connects No. seven valves, the other end No. eight valves of series connection and after filling pump in one end of alkanes storage tank, is connected in parallel on air but pipeline between cooler and circulating pump.
As preferably, a valve it is provided with between outlet and the tube side of heat exchanging evaporator of described technique tower top, the outlet of technique tower top and air are but provided with No. two valves between cooler, the shell side of heat exchanger and air are but provided with No. three valves between cooler, No. four valves it are provided with between air but cooler and No. seven valves, it is provided with No. five valves between air but cooler and process reflows tank, between tube side and the process reflows tank of heat exchanging evaporator, is provided with No. six valves.
As preferably, described alkanes is pentane or butane.
As preferably, described heat exchanging evaporator is shell and tube or wrap-round tubular heat exchanger.
As preferably, described heat exchanger is recuperation of heat tubular heat exchanger.
This utility model have the beneficial effect that this utility model can recovery process waste heat, thus reducing the waste of the energy, increase economic efficiency, and there is simple in construction, run convenient feature; It is compared with the prior art, pentane or the processing medium of butane medium and aromatic hydrocarbons factory needed for turbine power generation unit are compatible, it is in operation pentane or butane medium is the high-pressure side at heat exchanging evaporator, after heat exchanging evaporator is revealed, even if pentane or butane leak in processing medium, cause big impact without technological process is produced; And there are pentane or butane product in general aromatic hydrocarbons factory, the pentane of turbine power generation unit use or butane medium power generation medium, directly from aromatic hydrocarbons factory, conveniently use and store; Turbine generators adopts pentane or the butane direct generation of electricity, it is to avoid use water heat exchange vapor or many deficiencies of other organic working medium generating, and this utility model does not have and leaks in processing medium, causes product quality accident and production accident risk; Adopting the turbine power generation unit of pentane or butane, single-machine capacity can be accomplished relatively larger, and conversion efficiency of thermoelectric is high, has incomparable advantage than screw expander; Due to media compatibility, make air cooler to be used in conjunction with, realized generating and the two kinds of operating mode switchings that do not generate electricity by valve transfer; During generating, air cooler passes through pentane or butane, and when not generating electricity, the pentane of generating or butane media discharge are in storage tank, and air cooler passes through processing medium; Can according to the amount of process waste, the bar number of the branch road that generates electricity described in flexible configuration, when relevant device fault, fault generating branch road can pass through valve and be switched to not generating operation mode flexibly, and the branch road that generates electricity normally can continue generating, is independent of each other.
Accompanying drawing explanation
Fig. 1 is the pipeline configuration schematic diagram of this utility model embodiment one.
Fig. 2 is the pipeline configuration schematic diagram of this utility model embodiment two.
Detailed description of the invention
Below in conjunction with Figure of description, the utility model is described in further detail, but this utility model is not limited to following example.
Embodiment one;
As shown in Figure 1, the TRT of a kind of aromatic hydrocarbons factory technics waste heat that this utility model provides, be provided with a generating branch road, heat exchanging evaporator 2 that this generating branch road includes being made up of shell and tube or wrap-round tubular heat exchanger, with alkanes (pentane or butane) be power generation medium turbine power generation unit 3, air but cooler 4, circulating pump 5 (pentane or butane circulation high-pressure pump), recuperation of heat shell and tube heat exchanger 6.
Wherein, the tube side of air but cooler and heat exchanging evaporator is connected between pipeline and the process reflows tank that technique tower top 1 is drawn each via pipeline, and the tube side of the shell side of heat exchanging evaporator, turbine power generation unit, the shell side of heat exchanger, air but cooler, circulating pump and heat exchanger connects into circulation line by pipeline.
Described TRT also includes alkanes storage tank and fills pump, and connect No. seven valve FV7, the other end No. eight valve FV8 of series connection and after filling pump for one end of alkanes storage tank, is connected in parallel on air but pipeline between cooler and circulating pump. A valve FV1 it is provided with between outlet and the tube side of heat exchanging evaporator of described technique tower top, the outlet of technique tower top and air are but provided with No. two valve FV2 between cooler, the shell side of heat exchanger and air are but provided with No. three valve FV3 between cooler, No. four valve FV4 it are provided with between air but cooler and No. seven valves, it is provided with No. five valve FV5 between air but cooler and process reflows tank, between tube side and the process reflows tank of heat exchanging evaporator, is provided with No. six valve FV6.
The operation principle of the present embodiment one is: the pipeline that the tube side of described heat exchanging evaporator 2 is drawn with technique tower top 1 is connected, the processing medium of heat exits into the tube side of described heat exchanging evaporator 2 from technique tower top 1, the shell side medium inlet of described heat exchanging evaporator 2 is connected by heat exchanger 6 with circulating pump 5, pentane or butane medium absorb heat evaporation in described heat exchanging evaporator 2 shell side, this gaseous state pentane or butane medium send into turbine generators by the pipeline being connected with turbine power generation unit 3, promote the acting generating of described turbine power generation unit 3. Pentane after generating or butane gas flow out from turbine power generation unit 3 after to described air cooler 4, pentane or butane medium are cooled to liquid by air cooler 4, this liquid pentane or the butane medium heat of the higher pentane of temperature or butane after delivered to heat exchanger 6 recovery generating by circulating pump 5 is heated up, pentane or butane medium after intensification are sent in the shell side of described heat exchanging evaporator 2 at elevated pressures, complete a power generation cycle.
The present embodiment one can realize utilizing cogeneration and without the cogeneration two kinds convenient switching of condition altogether by valve transfer. Close valve FV2, FV5, open valve FV1, FV3, FV4, FV6 simultaneously and utilize cogeneration operating mode; Opening valve FV2, FV5, namely simultaneously close off valve FV1, FV3, FV4, FV6 is the former traditional handicraft operating mode not utilizing waste heat. Valve FV7 is when equipment fault, it is necessary to power generation medium is discharged into storage tank and opens, close at ordinary times. Valve FV8 opens when needs fill power generation medium to system, closes at ordinary times.
Embodiment two;
As shown in Figure 2, it is different in that with embodiment one, embodiment two is provided with two or above generating branch road, and each generating branch road is connected between pipeline and the process reflows tank that technique tower top 1 is drawn, and is relation in parallel between generating branch road with generating branch road. The structure of every generating branch road in embodiment two is identical with the generating branch road in embodiment one, in Fig. 2, except a generating branch road described in embodiment one, another generating route heat exchanging evaporator 2 ', turbine power generation unit 3 ', air but cooler 4 ', circulating pump 5 ', heat exchanger 6 ' and valve FV1 ', No. two valve FV2 ', No. three valve FV3 ', No. four valve FV4 ', No. five valve FV5 ', No. six valve FV6 ', No. seven valve FV7 ', No. eight valve FV8 ' are constituted.
The foregoing is only preferred embodiment of the present utility model, for a person skilled in the art, this utility model can have various modifications and variations. All within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (6)
1. the TRT of an aromatic hydrocarbons factory technics waste heat, it is characterized in that: include at least one generating branch road, every generating branch road include heat exchanging evaporator (2), with alkanes be power generation medium turbine power generation unit (3), air but cooler (4), circulating pump (5), heat exchanger (6);
Wherein, the tube side of air but cooler (4) and heat exchanging evaporator (2) is connected between pipeline and the process reflows tank that technique tower top (1) is drawn each via pipeline, and the tube side of the shell side of heat exchanging evaporator (2), turbine power generation unit (3), the shell side of heat exchanger (6), air but cooler (4), circulating pump (5) and heat exchanger (6) connects into circulation line by pipeline.
2. the TRT of a kind of aromatic hydrocarbons factory technics waste heat according to claim 1, it is characterized in that: described TRT also includes alkanes storage tank (7) and fills pump (8), connecting after No. seven valves (FV7), the other end No. eight valves (FV8) of series connection and filling pump (8) in one end of alkanes storage tank (7), is connected in parallel on the pipeline between air but cooler (4) and circulating pump (5).
3. the TRT of a kind of aromatic hydrocarbons factory technics waste heat according to claim 2, it is characterized in that: between outlet and the tube side of heat exchanging evaporator (2) of described technique tower top (1), be provided with a valve (FV1), it is provided with No. two valves (FV2) between outlet and the air but cooler (4) of technique tower top (1), it is provided with No. three valves (FV3) between shell side and the air but cooler (4) of heat exchanger (6), No. four valves (FV4) it are provided with between air but cooler (4) and No. seven valves (FV7), No. five valves (FV5) it are provided with between air but cooler (4) and process reflows tank, No. six valves (FV6) it are provided with between tube side and the process reflows tank of heat exchanging evaporator (2).
4. the TRT of a kind of aromatic hydrocarbons factory technics waste heat according to claim 1 or 2 or 3, it is characterised in that: described alkanes is pentane or butane.
5. the TRT of a kind of aromatic hydrocarbons factory technics waste heat according to claim 1 or 2 or 3, it is characterised in that: described heat exchanging evaporator (2) is shell and tube or wrap-round tubular heat exchanger.
6. the TRT of a kind of aromatic hydrocarbons factory technics waste heat according to claim 1 or 2 or 3, it is characterised in that: described heat exchanger (6) is recuperation of heat tubular heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620023829.8U CN205315058U (en) | 2016-01-11 | 2016-01-11 | Power generation facility of aromatic hydrocarbon mill technology waste heat |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620023829.8U CN205315058U (en) | 2016-01-11 | 2016-01-11 | Power generation facility of aromatic hydrocarbon mill technology waste heat |
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| CN205315058U true CN205315058U (en) | 2016-06-15 |
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| CN201620023829.8U Active CN205315058U (en) | 2016-01-11 | 2016-01-11 | Power generation facility of aromatic hydrocarbon mill technology waste heat |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105507972A (en) * | 2016-01-11 | 2016-04-20 | 宁波中金石化有限公司 | Power generator based on waste heat of aromatic factory technique |
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2016
- 2016-01-11 CN CN201620023829.8U patent/CN205315058U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105507972A (en) * | 2016-01-11 | 2016-04-20 | 宁波中金石化有限公司 | Power generator based on waste heat of aromatic factory technique |
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