CN112325624A - Drying method and production system of high-purity vanadium drying unit - Google Patents
Drying method and production system of high-purity vanadium drying unit Download PDFInfo
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- CN112325624A CN112325624A CN202011210576.2A CN202011210576A CN112325624A CN 112325624 A CN112325624 A CN 112325624A CN 202011210576 A CN202011210576 A CN 202011210576A CN 112325624 A CN112325624 A CN 112325624A
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- cooling
- cooling liquid
- purity vanadium
- drying
- heating element
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/04—Heating arrangements using electric heating
- F26B23/06—Heating arrangements using electric heating resistance heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/02—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
Abstract
The invention discloses a high-purity vanadium production system, a drying unit and a drying method, wherein the high-purity vanadium production system comprises a heating element body; the hollow cooling plate is arranged close to the heating element body, and a cooling liquid inlet and a cooling liquid outlet are formed in the hollow cooling plate; and the head end of the cooling liquid refrigeration system is communicated with the cooling liquid outlet, and the tail end of the cooling liquid refrigeration system is connected with the cooling liquid inlet so as to transport the cooling liquid discharged from the cooling liquid outlet to the cooling liquid inlet after refrigeration. The method has the advantages of simple operation, low cost and good continuity, realizes the improvement of the temperature control mode of forced water cooling from the original forced air cooling operation mode of the heating element of the high-purity vanadium drying system, and fundamentally solves the defect that the key heating element can not effectively reduce the operation temperature and is frequently burnt by utilizing forced air cooling to reduce the temperature in the high-strength continuous production.
Description
Technical Field
The invention relates to the technical field of metallurgical materials, in particular to a high-purity vanadium drying unit, a drying method and a high-purity vanadium production system.
Background
The operation mode of high strength, continuity and high stability is the characteristic of a high-purity vanadium production line, a drier set in the industrial high-purity vanadium production line mainly undertakes heavy operation tasks such as heating, drying and dehydration, and in order to reduce equipment cost and improve equipment use efficiency, manufacturers generally use forced air cooling heating elements for heating, drying and dehydration; at present, a high-purity vanadium drying system is key single-machine equipment for producing high-purity vanadium finished products, high-purity vanadium mainly provides raw materials for high-end vanadium products, vanadium electrolyte and the like, a high-purity vanadium production line is designed mainly by considering whether process parameter indexes can be realized, but no requirement is set for equipment continuity guarantee capability, the defect that a key heating element cannot effectively reduce the operating temperature by forced air cooling and is frequently burnt is gradually exposed in high-strength continuous production, a large amount of time is needed for checking and replacing the heating element, high-concentration vanadium dust has toxic injury to a human body, the labor intensity of field operators and the hidden danger of health hazard are greatly increased, the production organization and the product quality are influenced, inconvenience is brought to the production organization and adjustment, and serious potential safety hazard also exists in the process of confirming the fault reasons of the equipment.
Specifically, the high-purity vanadium drying unit is in a severe environment with high temperature, high dust and high humidity when operating in a high-purity operation area, and if maintenance personnel frequently and for a long time check and replace a heating element in the environment, the following problems are inevitably caused:
high temperature heatstroke. In the process of cable connection operation, because the environment temperature is very high, the average temperature of a high-purity vanadium production line in a closed state in an operation environment is up to more than 45 ℃, and maintenance personnel can easily cause high-temperature heatstroke in a long-time operation in a high-temperature environment;
the maintenance personnel can not clearly and definitely communicate with the operating personnel when the heating element is replaced due to the severe operating environment, and the maintenance personnel can not have power failure in the replacement process for many times, so that the danger and the electric shock accident are caused;
influence the operating rate, in the process of checking and replacing the heating element of the high-purity vanadium drying unit, the operation time for maintaining the connection and the disassembly of the heating element is too long, the continuity of the production operation is influenced to a certain extent, and the use efficiency of equipment is reduced;
and fourthly, the risk of toxic injury is caused, and the long-time field operation greatly increases the labor intensity of field operation and maintenance personnel and the hidden danger of health hazard because the high-concentration vanadium dust has toxic injury to human bodies.
The maintenance fault is high, frequent burning of the heating element requires frequent assembly and disassembly operations due to operation process requirements, the maintenance personnel can not be guaranteed to meet the technical requirements of electric cable connection every time, and equipment accidents are caused by lead connection due to poor cable connection at the position frequently.
Based on this, the prior art still remains to be improved.
Disclosure of Invention
In order to solve the technical problems, the embodiment of the invention provides a high-purity vanadium drying unit, a drying method and a high-purity vanadium production system.
The embodiment of the invention discloses a high-purity vanadium drying unit, which comprises:
a heating element body;
the hollow cooling plate is arranged close to the heating element body, and a cooling liquid inlet and a cooling liquid outlet are formed in the hollow cooling plate;
and the head end of the cooling liquid refrigeration system is communicated with the cooling liquid outlet, and the tail end of the cooling liquid refrigeration system is connected with the cooling liquid inlet so as to transport the cooling liquid discharged from the cooling liquid outlet to the cooling liquid inlet after refrigeration.
Further, the coolant refrigeration system includes: the cooling water outlet of the high-purity vanadium production cooling water pipe network is communicated with the cooling liquid inlet, the cooling liquid outlet is communicated with the cooling water inlet of the cooling unit, and the cooling water outlet of the cooling unit is communicated with the cooling water inlet of the high-purity vanadium production cooling water pipe network.
Further, the cooling liquid refrigeration system further comprises a spray tower, and the spray tower is arranged between the cooling unit and the cooling liquid outlet.
Further, the number of the hollow cooling plates is two, and the two hollow cooling plates are respectively arranged on two sides of the heating element body.
Further, the hollow cooling plate is a cavity copper cooling plate.
Further, the hollow cooling plate comprises a cooling plate body;
the cooling liquid inlet is arranged at the upper end of the cooling plate body, and a liquid inlet connecting device is arranged at the cooling liquid inlet;
the cooling liquid outlet is arranged at the lower end of the cooling plate body, and a liquid outlet connecting device is arranged at the cooling liquid outlet.
Further, the heating element body is a magnetron.
Furthermore, a regulating valve is arranged at the cooling liquid inlet.
The embodiment of the invention also discloses a drying method of the high-purity vanadium, which is characterized in that a heating element body of a drying system is cooled in a water cooling mode, cooling water is supplied by a high-purity vanadium production cooling water pipe network, and the cooling water from the drying system is primarily cooled by a spraying system, enters a cooling unit for secondary cooling and is conveyed to the high-purity vanadium production cooling water pipe network.
The embodiment of the invention also discloses a drying method of the high-purity vanadium, and a high-purity vanadium production system comprises the following steps: a high-purity vanadium production cooling water pipe network, a cooling unit, a spraying system and a drying system, wherein,
the drying system comprises a heating element body and a hollow cooling plate, wherein a cooling liquid inlet and a cooling liquid outlet are formed in the hollow cooling plate;
and the cooling liquid outlet is communicated to a spraying water inlet of the spraying system, the spraying water outlet of the spraying system is communicated with a cooling water inlet of the cooling unit, the cooling water outlet of the cooling unit is communicated to a cooling water inlet of the high-purity vanadium production cooling water pipe network, and the cooling water outlet of the high-purity vanadium production cooling water pipe network is communicated with the cooling liquid inlet.
By adopting the technical scheme, the invention at least has the following beneficial effects:
the method has the advantages of simple operation, low cost and good continuity, realizes the improvement of the temperature control mode of forced water cooling from the original forced air cooling operation mode of the heating element of the high-purity vanadium drying system, and fundamentally solves the defect that the key heating element can not effectively reduce the operation temperature and is frequently burnt by forced air cooling in the high-strength continuous production; utilize the principle that forced water-cooling can reduce heating element temperature fast, high-efficient, utilize pipe network water pressure to carry out incessant forced water-cooling to the inside device that generates heat of heating element to the hot water after will using is squeezed into spray column and is cooled down back used repeatedly, ensures that the running cost is controlled, and the liberation labour reduces manufacturing cost, improves production efficiency, reduces intensity of labour.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a cooling part of a heating element of a high-purity vanadium drying unit according to an embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following embodiments of the present invention are described in further detail with reference to the accompanying drawings.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it should be noted that "first" and "second" are merely for convenience of description and should not be construed as limitations of the embodiments of the present invention, and they are not described in any more detail in the following embodiments.
As shown in fig. 1, some embodiments of the present invention disclose a high purity vanadium drying unit, comprising:
a heating element body 7;
the hollow cooling plate is arranged in a manner of being tightly attached to the heating element body 7, and a cooling liquid inlet 1 and a cooling liquid outlet 6 are formed in the hollow cooling plate;
the head end of the cooling liquid refrigeration system is communicated with the cooling liquid outlet 6, and the tail end of the cooling liquid refrigeration system is connected with the cooling liquid inlet 1 so as to transport the cooling liquid discharged from the cooling liquid outlet 6 to the cooling liquid inlet 1 after refrigeration.
This embodiment carries out cooling to heating element body 7 through hollow cooling plate, replaces current forced air cooling, can directly improve the heating element of the air-cooled cooling of prior art, specifically, can demolish the radiating fin on the heating element who has now, arranges hollow cooling plate in heating element body 7 both sides, utilizes coolant liquid refrigerating system to refrigerate the coolant liquid to the realization is to heating element body 7's temperature control.
Some embodiments of the present invention further disclose a high purity vanadium drying unit, and based on the above embodiments, the cooling liquid refrigeration system includes: the cooling water outlet of the high-purity vanadium production cooling water pipe network is communicated with the cooling liquid inlet 1, the cooling liquid outlet 6 is communicated with the cooling water inlet of the cooling unit, and the cooling water outlet of the cooling unit is communicated with the cooling water inlet of the high-purity vanadium production cooling water pipe network. Further preferably, the cooling liquid refrigeration system further comprises a spray tower disposed between the cooling unit and the cooling liquid outlet 6.
The pipe network cooling water that this embodiment utilized import water pipe coupling device to pass through cooling treatment with higher level injects the cooling chamber into, and the cooling water discharge cooling chamber after will being heated through pipe network rivers pressure reaches the heat that reduces operation heating element self and generates heat to squeeze into the hot water after using into spray column and cool down the back and get into original cooling unit and cool down to 12 ℃ back circulation use, ensure that the running cost is controlled.
On the basis of the embodiments, in order to increase the refrigeration effect, the number of the hollow cooling plates is two, and the hollow cooling plates are respectively arranged on two sides of the heating element body 7. The rapid cooling of the heating element is realized through cooling at two sides. In the above embodiment, the hollow cooling plate is preferably a hollow copper cooling plate, and low-temperature cooling water enters the hollow cavity to cool the heating element on one side of the cooling plate.
On the basis of the embodiments, the hollow cooling plate comprises a cooling plate body 4; the cooling liquid inlet 1 is arranged at the upper end of the cooling plate body 4, and a liquid inlet coupling device 3 is arranged at the cooling liquid inlet 1; the cooling liquid outlet 6 is arranged at the lower end of the cooling plate body 4, and a liquid outlet connecting device 5 is arranged at the cooling liquid outlet 6. In some embodiments, the heating element body 7 is preferably a magnetron.
On the basis of the embodiments, in order to realize accurate control of the temperature of the heating element and avoid insufficient or transitional cooling, the cooling liquid inlet 1 is also provided with the regulating valve 2 to realize accurate control of the flow of the cooling liquid, thereby realizing accurate control of the temperature of the heating element.
The embodiment of the invention also discloses a drying method of the high-purity vanadium, which adopts a water cooling mode to cool the heating element body 7 of the drying system, cooling water is supplied by the high-purity vanadium production cooling water pipe network, and the cooling water from the drying system is primarily cooled by the spraying system, enters the cooling unit for secondary cooling and is conveyed to the high-purity vanadium production cooling water pipe network.
Specifically, a water inlet pipe of the cooling plate provides pipe network cooling water flow cooled by a water cooling unit; the water inlet regulating valve 2 is used for regulating the water flow according to the change of the field operation temperature and aiming at different temperature conditions to control the flow rate of the cooling water in the cooling cavity, so that the cooling water can meet the field temperature control requirement; the water inlet connecting device adopts a quick connector and a new heat-resistant material water pipe which are connected in a standard way to inject cooling water into the cooling cavity, so that the maintenance and the operation personnel can conveniently and quickly check and replace the water pipe; the cavity copper cooling plate is used as the cooling plate, and the heating element body 7 is cooled rapidly by utilizing the principle that the copper material has good heat-conducting property and low-temperature cooling water can take away a large amount of heat energy in the flowing of the low-temperature cooling water in the cavity; the water outlet connecting device injects cooling water into the cooling cavity by using a quick connector and a new heat-resistant material water pipe which are connected in a standard way, so that the maintenance and operation personnel can conveniently and quickly check and replace the water pipe; the water outlet pipe of the cooling plate receives the hot water used by the copper cavity cooling plate and sends the hot water into the spray tower through a pipe network for cooling treatment and recycling; thereby cooling down the heating element body 7 in the use process and producing a large amount of heat energy.
The embodiment of the invention also discloses a high-purity vanadium production system, which comprises: a high-purity vanadium production cooling water pipe network, a cooling unit, a spraying system and a drying system, wherein,
the drying system comprises a heating element body 7 and a hollow cooling plate, wherein a cooling liquid inlet 1 and a cooling liquid outlet 6 are formed in the hollow cooling plate;
the cooling liquid outlet 6 is communicated to a spraying water inlet of the spraying system, a spraying water outlet of the spraying system is communicated with a cooling water inlet of the cooling unit, a cooling water outlet of the cooling unit is communicated to a cooling water inlet of the high-purity vanadium production cooling water pipe network, and a cooling water outlet of the high-purity vanadium production cooling water pipe network is communicated with the cooling liquid inlet 1.
The invention removes the original air-cooled radiating fins of the heating element, processes two 75mm multiplied by 55mm multiplied by 10mm hollow copper cooling plates as hollow cooling plates, fixes the hollow copper cooling plates on two sides of the heating element of the magnetron, processes a water pipe joint connecting device at the water inlet and outlet respectively, and sets two fixing holes with anti-slip and fastening function devices on the fixing plate; injecting pipe network cooling water subjected to cooling treatment at a higher level into the cooling cavity by using an inlet water pipe joint device, discharging the heated cooling water out of the cooling cavity by using the water flow pressure of the pipe network to reduce the self-heating heat of the operating magnetron, and pumping the used hot water into a spray tower for cooling, then feeding the cooled hot water into an original cooling unit to cool to 12 ℃ and recycling the cooled hot water; and the water pressure of a cooling water pipe network for producing high-purity vanadium is utilized to perform uninterrupted forced water cooling on the heating device in the heating element, so that the operation cost is controlled.
It should be particularly noted that the various components or steps in the above embodiments can be mutually intersected, replaced, added or deleted, and therefore, the combination formed by the reasonable permutation and combination conversion shall also belong to the protection scope of the present invention, and the protection scope of the present invention shall not be limited to the embodiments.
The above is an exemplary embodiment of the present disclosure, and the order of disclosure of the above embodiment of the present disclosure is only for description and does not represent the merits of the embodiment. It should be noted that the discussion of any embodiment above is exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, of embodiments of the invention is limited to those examples, and that various changes and modifications may be made without departing from the scope, as defined in the claims. The functions, steps and/or actions of the method claims in accordance with the disclosed embodiments described herein need not be performed in any particular order. Furthermore, although elements of the disclosed embodiments of the invention may be described or claimed in the singular, the plural is contemplated unless limitation to the singular is explicitly stated.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, of embodiments of the invention is limited to these examples; within the idea of an embodiment of the invention, also technical features in the above embodiment or in different embodiments may be combined and there are many other variations of the different aspects of an embodiment of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of the embodiments of the present invention are intended to be included within the scope of the embodiments of the present invention.
Claims (10)
1. A high-purity vanadium drying unit is characterized by comprising:
a heating element body;
the hollow cooling plate is arranged close to the heating element body, and a cooling liquid inlet and a cooling liquid outlet are formed in the hollow cooling plate;
and the head end of the cooling liquid refrigeration system is communicated with the cooling liquid outlet, and the tail end of the cooling liquid refrigeration system is connected with the cooling liquid inlet so as to transport the cooling liquid discharged from the cooling liquid outlet to the cooling liquid inlet after refrigeration.
2. The high purity vanadium drying train of claim 1 wherein the coolant refrigeration system comprises: the cooling water outlet of the high-purity vanadium production cooling water pipe network is communicated with the cooling liquid inlet, the cooling liquid outlet is communicated with the cooling water inlet of the cooling unit, and the cooling water outlet of the cooling unit is communicated with the cooling water inlet of the high-purity vanadium production cooling water pipe network.
3. The high purity vanadium drying train of claim 2 wherein the coolant refrigeration system further comprises a spray tower disposed between the cooling train and the coolant outlet.
4. The high purity vanadium drying train of claim 1, wherein the number of the hollow cooling plates is two, and the two hollow cooling plates are respectively disposed at both sides of the heating element body.
5. The high purity vanadium drying train of claim 1 wherein the hollow cooling plates are hollow copper cooling plates.
6. The high purity vanadium drying train of claim 1 wherein the hollow cooling plate comprises a cooling plate body;
the cooling liquid inlet is arranged at the upper end of the cooling plate body, and a liquid inlet connecting device is arranged at the cooling liquid inlet;
the cooling liquid outlet is arranged at the lower end of the cooling plate body, and a liquid outlet connecting device is arranged at the cooling liquid outlet.
7. The high purity vanadium drying train of claim 1 wherein the heating element body is a magnetron.
8. The high-purity vanadium drying unit according to claim 1, wherein a regulating valve is further arranged at the cooling liquid inlet.
9. The drying method of the high-purity vanadium is characterized in that a heating element body of a drying system is cooled in a water cooling mode, cooling water is supplied by a high-purity vanadium production cooling water pipe network, the cooling water from the drying system is primarily cooled by a spraying system, enters a cooling unit for secondary cooling and is conveyed to the high-purity vanadium production cooling water pipe network.
10. A high purity vanadium production system, comprising: a high-purity vanadium production cooling water pipe network, a cooling unit, a spraying system and a drying system, wherein,
the drying system comprises a heating element body and a hollow cooling plate, wherein a cooling liquid inlet and a cooling liquid outlet are formed in the hollow cooling plate;
and the cooling liquid outlet is communicated to a spraying water inlet of the spraying system, the spraying water outlet of the spraying system is communicated with a cooling water inlet of the cooling unit, the cooling water outlet of the cooling unit is communicated to a cooling water inlet of the high-purity vanadium production cooling water pipe network, and the cooling water outlet of the high-purity vanadium production cooling water pipe network is communicated with the cooling liquid inlet.
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