The two vortex tube refrigeration heating of intelligence
Technical field
The utility model relates to refrigerating and heating systems used in a kind of petroleum and petrochemical industry process units, specifically a kind of vortex tube refrigeration heating.
Background technology
It is CN103743005A that State Intellectual Property Office discloses publication number on April 23rd, 2014, patent name is the Patent Application Publication of vortex tube actified solution dehumidification system and regeneration of waste liquor dehumanization method thereof, and this system comprises vortex tube refrigeration heating, solution dehumidification system and regenerative system.It is characterized in that solution dehumidification system by blower fan, the first control valve, heat insulation-type dehumidifier, hot liquid reserve tank, concentrated solution pump, rare concentrated solution heat exchanger, gas-liquid heat-exchange, atomizer, air outlet form.Its effect utilizes solution to dehumidify to air to reach the effect of dehumidifying.Solution regeneration system is by weak solution pump, solution regenerator.Its effect makes solution again recover wettability power.Vortex pipe refrigeration system comprises high-pressure air source, the second control valve, swirl control ice chest.Its role is to as regeneration of waste liquor provides heat to make dehumidification solution concentrating regenerative; Simultaneously can cooling and dehumidifying solution to improve effect on moisture extraction.In technique scheme, used vortex tube, but above-mentioned patent is completely different from the technical scheme of this patent, the technology solved is also completely different.
Vortex tube refrigerator extensive use in modern industry, experiment shows, dry 700kPa, 25 DEG C of compressed air are separated through vortex tube, and the temperature of cold airflow is minimum reaches-45 DEG C, and thermal current maximum temperature can reach+110 DEG C.According to practical application needs, by regulating throughput and coefficient of refrigerating performance, can obtain cold airflow and the thermal current of different temperatures, to meet the demand of different user.
In big-and-middle-sized petroleum and petrochemical industry process units, the outdoor control rack that needs carry out freezing is several at least, tens at most.Current vortex tube rack refrigerator application dispersion, integrated level is low, is that a rack installs a vortex tube refrigerator in a lot of application scenario, and compressed air use amount is large, and indirectly cause power consumption large, even air compression plant excess load, maintenance cost increases; And be Non-follow control for the vortex tube freezed at present, be subject to the impact of compressed air pressure fluctuation, cause gas flow temperature unstable, gas flow temperature is too high or too low all can have an impact to the work of rack, thermostatic chamber etc.; The thermal current that vortex tube hot junction produces simultaneously is not fully used, and causes energy waste.
Summary of the invention
The purpose of this utility model overcomes deficiency of the prior art, provides one can reduce the overall consumption of compressed air, improve the utilization rate of small-sized vortex tube cold and heat, thus the two vortex tube refrigeration heating of the intelligence promoting its energy-saving horizontal.
For achieving the above object, the technical scheme that the utility model adopts is:
The two vortex tube refrigeration heating of intelligence, it is primarily of flow control valve, main vortex tube, auxiliary vortex tube, intake valve, main coefficient of refrigerating performance control valve, auxiliary coefficient of refrigerating performance control valve, hot stream temperature sensor, cold airflow temperature sensor and controller are formed, described main vortex tube and auxiliary vortex tube are installed in parallel, in described main vortex tube and auxiliary vortex tube, compressed air input connects same air inlet pipeline, thermal current output connects same hot gas line, cold airflow output connects same cooling pipelines, described flow control valve is located on described air inlet pipeline, described intake valve is located at the compressed air input in auxiliary vortex tube, main coefficient of refrigerating performance control valve and auxiliary coefficient of refrigerating performance control valve are located at the thermal current output of main vortex tube and auxiliary vortex tube respectively, hot stream temperature sensor and cold airflow temperature sensor are located on hot gas line and cooling pipelines respectively, hot stream temperature sensor and cold airflow temperature sensor send temperature information to controller, and controller carries out regulable control to main coefficient of refrigerating performance control valve and auxiliary coefficient of refrigerating performance control valve respectively, described flow control valve sends its flow aperture data to controller, and controller is by INO or cut out.
Described air inlet pipeline is provided with compressed-air filter.Compressed-air filter, in order to the drop in filtering compressed air or granule foreign, prevents drop or particle from having an impact to this system works performance and safety.
The hot gas output of described hot gas line is connected with thermal current distributor, described thermal current distributor provides thermal current to multiple hot gas user side by multiple branches thermal current pipeline, each hot gas user side is provided with temperature sensor, each branch thermal current pipeline is provided with temperature-sensing valve, described controller receives the temperature data that temperature sensor sends, and according to temperature data, regulable control is carried out to temperature-sensing valve, realize automatically adjusting to the temperature of each hot gas user side.
The cold air output of described cooling pipelines is connected with cold airflow distributor, described cold airflow distributor provides cold airflow to multiple cold air user side by multiple branches cold airflow pipeline, each cold air user side is provided with temperature sensor, each branch cold airflow pipeline is provided with temperature-sensing valve, described controller receives the temperature data that temperature sensor sends, and according to temperature data, regulable control is carried out to temperature-sensing valve, realize automatically adjusting to the temperature of each cold air user side.
The flow aperture of described controller to flow control valve carries out regulable control, all just can meet each user and put demand, make full use of compressed air to make cold airflow and thermal current, reduces energy dissipation.
The beneficial effects of the utility model: owing to adopting above-mentioned version, the utility model makes full use of vortex tube refrigeration, heats and have both, and the characteristic that refrigerating capacity is identical with heating capacity, realize vortex tube refrigeration by control system and heat the accurate control of gas flow temperature, and the automatic control of hot and cold air-flow is realized by automatic gas flow distributor, achieve diversification application and spend high integrated, have " a tractor serves several purposes ", reduce the overall consumption of compressed air, improve the utilization rate of small-sized vortex tube cold and heat, promote the features such as its energy-saving horizontal.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is structural representation of the present utility model.
In figure: 1, flow control valve; 2, main vortex tube; 3, auxiliary vortex tube; 4, intake valve; 5, main coefficient of refrigerating performance control valve; 6, auxiliary coefficient of refrigerating performance control valve; 7, hot stream temperature sensor; 8, cold airflow temperature sensor; 9, controller; 10, air inlet pipeline; 11, hot gas line; 12, cooling pipelines; 13, compressed-air filter; 14, thermal current distributor; 15, branch's thermal current pipeline; 16, hot gas user side; 17, temperature sensor; 18, temperature-sensing valve; 19, cold airflow distributor; 20, branch's cold airflow pipeline; 21, cold air user side; 22, temperature sensor; 23, temperature-sensing valve.
Detailed description of the invention
As shown in Figure 1, the two vortex tube refrigeration heating of intelligence, it is primarily of flow control valve 1, main vortex tube 2, auxiliary vortex tube 3, intake valve 4, main coefficient of refrigerating performance control valve 5, auxiliary coefficient of refrigerating performance control valve 6, hot stream temperature sensor 7, cold airflow temperature sensor 8 and controller 9 are formed, described main vortex tube 2 and auxiliary vortex tube 3 are installed in parallel, in described main vortex tube 2 and auxiliary vortex tube 3, compressed air input connects same air inlet pipeline 10, thermal current output connects same hot gas line 11, cold airflow output connects same cooling pipelines 12, described flow control valve 1 is located on described air inlet pipeline 10, described intake valve 4 is located at the compressed air input in auxiliary vortex tube 3, main coefficient of refrigerating performance control valve 5 and auxiliary coefficient of refrigerating performance control valve 6 are located at the thermal current output of main vortex tube 2 and auxiliary vortex tube 3 respectively, hot stream temperature sensor 7 and cold airflow temperature sensor 8 are located on hot gas line 11 and cooling pipelines 12 respectively, hot stream temperature sensor 7 and cold airflow temperature sensor 8 send temperature information to controller 9, and controller 9 carries out regulable control according to temperature information respectively by the flow-rate ratio of main coefficient of refrigerating performance control valve 5 and auxiliary coefficient of refrigerating performance control valve 6 pairs of cold airflows and thermal current, described flow control valve 1 sends its flow aperture data to controller 9, when flow aperture data value is less than or equal to the flow aperture threshold values of setting, intake valve 4 cuts out by controller 9, auxiliary vortex tube 3 quits work, when flow aperture data value is greater than the flow aperture threshold values of setting, intake valve 4 is opened by controller 9, and regulates auxiliary coefficient of refrigerating performance control valve 6, and auxiliary vortex tube 3 is started working.For the specific embodiments of the utility model system, described flow aperture threshold values is 40%, when the flow aperture of flow control valve equals 40%, namely main vortex tube 2 reaches its maximum working load, if when the flow aperture of flow control valve 1 is greater than 40%, main vortex tube 2 will excess load, now, auxiliary vortex tube 3 will be started, alleviate the live load of main vortex tube.
Described air inlet pipeline 10 is provided with compressed-air filter 13.Compressed-air filter 13, in order to the drop in filtering compressed air or granule foreign, prevents drop or particle from having an impact to this system works performance and safety.
The hot gas output of hot gas line 11 is connected with thermal current distributor 14, described thermal current distributor 14 provides thermal current to multiple hot gas user side 16 by multiple branches thermal current pipeline 15, each hot gas user side is provided with temperature sensor 17, each branch thermal current pipeline 15 is provided with temperature-sensing valve 18, described controller 9 receives the temperature data that temperature sensor 17 sends, and according to temperature data, regulable control is carried out to temperature-sensing valve 18, realize automatically adjusting to the temperature of each hot gas user side 16.In the utility model, hot gas user side 16 can be the equipment collected thermal current being applied to equipment/gauge pipe Wax proofing companion heat by thermal current distributor, also can be the equipment being applied to lubricating oil constant temperature, can also be applied to laboratory experiment thermostat.
The cold air output of cooling pipelines 12 is connected with cold airflow distributor 19, described cold airflow distributor 19 provides cold airflow to multiple cold air user side 21 by multiple branches cold airflow pipeline 20, each cold air user side 21 is provided with temperature sensor 22, each branch cold airflow pipeline 20 is provided with temperature-sensing valve 23, described controller 9 receives the temperature data that temperature sensor 22 sends, and according to temperature data, regulable control is carried out to temperature-sensing valve 23, realize automatically adjusting to the temperature of each cold air user side 21.
The utility model also carries out the mode of coordinated signals, described controller 9 is according to the temperature data of cold air user side 21 or hot gas user side 16, regulable control is carried out by the flow-rate ratio of main coefficient of refrigerating performance control valve 5 and auxiliary coefficient of refrigerating performance control valve 6 pairs of cold airflows and thermal current, regulable control is carried out to the flow aperture of flow control valve 1 simultaneously, all just can meet each user to make cold airflow and thermal current and put demand, make full use of compressed air, reduce energy dissipation.
The above is preferred embodiment of the present utility model; certainly the interest field of the utility model can not be limited with this; should be understood that; for those skilled in the art; the technical solution of the utility model is modified or equivalent replacement, do not depart from the protection domain of technical solutions of the utility model.