TWO:It has been said that, whatever may be the value of his logic, Bacon recalled men from the construction of baseless theories to the study of facts. But, here also, he merely echoes Aristotle, who said the same thing long before him, with much greater terseness, and with the superior authority of one who teaches by example as well as by precept; while the381 merit of reviving Aristotles advice when it had fallen into oblivion belongs to another Bacon, the author of the Opus Majus; the merit of acting on it, to the savants of the Renaissance, to such men as Vesalius, Cesalpino, and Tycho Brahe.
- Classification by type of system
- 1natural circulation external heating pipe type
- 2natural circulation calandria type
- 3forced circulation type
- 4falling-film type
- 5rising film type
- 6jacket type
- 7coil type
- Classification by method of operation
- 1single effect evaporator system
- 2multiple effect evaporator system
- 3auto-vapor mechanical compression system
- 4auto-vapor ejector compression system
- 5multistage flash system
After taking into consideration of the physical and chemical property of solutions, the desired design conditions, and available utilities, we select the most suitable type of system by utilizing our years of experience and excellent results.
In addition, we can offer designs and manufacturing services that take into careful consideration compactness, energy-efficiency, and automatization.
THREE:Thumb-tacks are of but little use in mechanical drawing except for the most temporary purposes, and may very well be dispensed with altogether; they injure the draughting-boards, obstruct the squares, and disfigure the sheets.The triumph of Stoicism was, however, retarded by the combined influence of the Academic and Peripatetic schools. Both claimed the theory of a morality founded on natural law as a doctrine of their own, borrowed from them without acknowledgment by the Porch, and restated under an offensively paradoxical form. To a Roman, the Academy would offer the further attraction of complete immunity from the bondage of a speculative system, freedom of enquiry limited only by the exigencies of practical life, and a conveniently elastic interpretation of the extent to which popular faiths might be accepted as true. If absolute suspense of judgment jarred on his moral convictions, it was ready with accommodations and concessions. We have seen how the scepticism of Carneades was first modified by Philo, and then openly renounced by Philos successor, Antiochus. Roman170 influence may have been at work with both; for Philo spent some time in the capital of the empire, whither he was driven by the events of the first Mithridatic War; while Antiochus was the friend of Lucullus and the teacher of Cicero.268
While standard calandria type evaporation systems are widely used as the typical concentration evaporator by the various food and chemical industries, we have delivered many of those systems as finishing concentration evaporators especially for sugar solutions and starch syrups.
THREE:enwrapt, the lightning wieldest;At the time when Carneades delivered his lectures, the morality of Rome resembled that of Sparta during her great conflict with Athens, as characterised by one of the speakers in the Melian Dialogue. Scrupulously honourable in their dealings with one another, in their dealings with foreign nations her citizens notoriously identified justice with what was agreeable or advantageous to themselves. The arguments of the Academic philosopher must, therefore, have been doubly annoying to the leaders of the State, as a satire on its public policy and as a source of danger to the integrity of its private life. In this respect, old Cato was a type of the whole race. In all transactions with his fellow-citizens, and in every office undertaken on behalf of the community, his honesty was such that it became proverbial. But his absolute disregard of international justice has become equally proverbial through the famous advice, reiterated on every possible occasion, that an unoffending and unwarlike city should be destroyed, lest its existence should at some future time become a source of uneasiness to the mistress of the world. Perhaps it was a secret consciousness of his own inconsistency which prevented him from directly proposing that Carneades should not be allowed to continue his lectures. At any rate, the ex-Censor contented himself with moving that the business on which the Athenian envoys had come should be at once concluded, that they might return to their classes at Athens, leaving the youth of Rome to seek instruction as before from the wise conversation and example of her public men.214 We are not told whether his speech on this occasion wound up with the usual formula, caeterum, Patres Conscripti, sententia mea est Carthaginem esse delendam; but as it is stated that from the year 175 to the end of his life, he never made a motion in the Senate that was not terminated by those words, we are entitled to assume that he did not omit them in the present instance. If so, the effect must have been singularly grotesque; although, perhaps, less so than if attention had been drawn to the customary phrase by its unexpected absence. At any rate, Carneades had an opportunity of carrying back one more illustration of ethical inconsistency wherewith to enliven his lectures on the vanity of dogmatising and the absolute equilibrium of contradictory opinions.
- Enables flexible operation with little influence from variations in load and raw solution concentrations because of an adequate amount of solution being held within the system. These systems are also suitable for batch type burning evaporators.
- Concentrations can be controlled within product specifications by the cascade control using the concentrations of concentrated solution and the raw solution supply and also by the arithmetic control of raw solution concentrations, etc. (Result for sugar solutions: 75±0.2wt%)
- High-viscosity solutions and solutions that may crystallize can also be utilized by installing a propeller in the evaporator as a forced circulation system.
THREE:There is, perhaps, no passage in Aristotles writingsthere is certainly none in his scientific writingsmore eloquent than that which describes the glory of his imaginary heavens. The following translation may give some faint idea of its solemnity and splendour:
This is a process example of a device that continuously and simultaneously concentrates two types of waste liquid with a single high-efficiency steam compressor.
THREE:Besides transforming art and literature, the dialectic method helped to revolutionise social life, and the impulse communicated in this direction is still very far from being exhausted. We allude to its influence on female education. The intellectual blossoming of Athens was aided, in its first development, by a complete separation of the sexes. There were very few of his friends to whom an Athenian gentleman talked so little as to his wife.104 Colonel Mure aptly compares her position to that of an English housekeeper, with considerably less liberty than is enjoyed by the latter. Yet the union of tender admiration with the need for intelligent sympathy and the desire to awaken interest in noble pursuits existed at Athens in full force, and created a field for its exercise. Wilhelm von Humboldt has observed that at this time chivalrous love was kept alive by customs which, to us, are intensely repellent. That so valuable a sentiment should be preserved and diverted into a more legitimate channel was an object of the highest importance. The naturalistic method of ethics did much, but it could not do all, for more was required than a return to primitive simplicity. Here the method of mind stepped in and supplied the deficiency. Reciprocity was the soul of dialectic as practised by Socrates, and the dialectic of love demands a reciprocity of passion which can only exist between the sexes. But in a society where the free intercourse of modern Europe was not permitted, the modern sentiment could not be reached at a single bound; and those who sought for the conversation of intelligent women had to seek for it among a class of which Aspasia was the highest representative. Such women played a great part in later Athenian society; they attended philosophical lectures, furnished heroines to the New Comedy, and on the whole gave a healthier tone to literature. Their successors, the Delias and Cynthias of159 Roman elegiac poetry, called forth strains of exalted affection which need nothing but a worthier object to place them on a level with the noblest expressions of tenderness that have since been heard. Here at least, to understand is to forgive; and we shall be less scandalised than certain critics,105 we shall even refuse to admit that Socrates fell below the dignity of a moralist, when we hear that he once visited a celebrated beauty of this class, Theodot by name;106 that he engaged her in a playful conversation; and that he taught her to put more mind into her profession; to attract by something deeper than personal charms; to show at least an appearance of interest in the welfare of her lovers; and to stimulate their ardour by a studied reserve, granting no favour that had not been repeatedly and passionately sought after.Why not? Dick wanted to know.
- By evaporating the steam using a mechanical compressor and reusing it, almost no heating steam is alomost required except the time of start-up, so large energy savings can be expected.
- By combining with a thin film falling heat exchanger that does not raise the boiling point due to the liquid depth, it is possible to utilize the temperature difference of the compressor at the maximum.
- Since the residence time and heating time are short and the holding amount is small, starting and stopping can be performed in a short time.
- It will prevent scale adhesion in the can that the evaporator is divided into two parts, and that the supply of the undiluted solution is alternately switched over a fixed period of time to perform heat concentration.