CN213701205U - Industrial molten salt rapid cooling system - Google Patents
Industrial molten salt rapid cooling system Download PDFInfo
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- CN213701205U CN213701205U CN202022676444.0U CN202022676444U CN213701205U CN 213701205 U CN213701205 U CN 213701205U CN 202022676444 U CN202022676444 U CN 202022676444U CN 213701205 U CN213701205 U CN 213701205U
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Abstract
The utility model discloses an industry fused salt rapid cooling system, including the slicer, the slicer links to each other with conveying equipment, is provided with a plurality of atomizer above conveying equipment or conveying equipment, cools down to industrial salt through atomizer spout vaporific water at the in-process of carrying, and conveying equipment links to each other with pneumatic conveying system for carry industrial salt, and cool down industrial salt once more through the air current at the in-process that the air current was carried, final industrial salt gets into the packing silo and stores. The utility model discloses utilize the gasification latent heat of water and the radiating characteristics of air current, become fuse salt by the liquid slice fast, realized fuse salt's rapid cooling, can carry out serialization, pipelined industrial production, it is safe energy-conserving, practice thrift the manual work, improved work efficiency.
Description
Technical Field
The utility model relates to a cooling system of industry fused salt, concretely relates to utilize mode that vaporific aqueous gasification latent heat and air current heat dissipation combined together to carry out rapid cooling's system to industry fused salt.
Background
At present, industrial salt containing various organic matters is generally generated in the production process of chemical industry, agricultural chemical industry, pharmaceutical industry and fine chemical industry, and the industrial salt has color and smell, can not be used as a raw material by the chlor-alkali industry and generally becomes dangerous waste. The hazardous waste harms the environment, the cost and the burden of enterprises are increased, the hazardous waste is changed into chemical raw materials again, waste is changed into valuable, and the hazardous waste treatment method is suitable for environment-friendly development.
In order to reuse the hazardous waste salt in chemical production, a treatment mode of roasting the hazardous waste salt at high temperature can be adopted at present. The hazardous waste salt can remove organic matters through high-temperature roasting treatment in an industrial kiln, so that high-content industrial salt is obtained, and the treated industrial salt can be reused in chemical production as a chlor-alkali industrial raw material, a snow-melting agent and a raw material for preparing metal sodium. However, after high-temperature roasting, the salt is changed into a molten liquid state, the temperature is increased to 900-1500 ℃, and the rapid cooling, packaging and transportation are difficult. At present, high-temperature industrial salt is generally placed on the ground to be flattened for natural cooling after being sliced on a slicing machine, but the mode has large occupied area, the high-temperature industrial salt transportation is dangerous and inconvenient, and the natural cooling time is long.
Therefore, a method for rapidly changing molten salt from a liquid state to a solid state and from a high temperature to a low temperature is needed to be researched, so that the industrial salt can be continuously packaged and processed, and is convenient to transport and store.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model provides an industry fused salt rapid cooling system, this system can realize the continuity cooling and the packing of industrial salt with high temperature industrial salt rapid cooling, has improved work efficiency, has solved that industrial salt natural cooling is long, area is big, transport dangerous and not in the aspect not enough.
The utility model discloses an industry fused salt rapid cooling system, include:
a slicing machine for slicing the industrial molten salt;
the conveying equipment is connected with a discharge port of the slicing machine and is used for conveying the industrial salt;
the plurality of atomizing nozzles are arranged above or on the conveying equipment, and spray mist water to cool the industrial salt in the conveying process of the industrial salt; and
and the pneumatic conveying system is connected with the conveying equipment and used for conveying the industrial salt and cooling the industrial salt again through the air flow in the air flow conveying process.
Further, the slicing machine may be a device capable of slicing high-temperature molten salt disclosed in the prior art, for example, an industrial sodium chloride molten salt slicing device disclosed in patent CN207463175U, and the slicing device includes a housing, a rotary drum is disposed in the housing, and a tray is disposed at the lower part of the rotary drum. And a scraper is arranged on one side of the rotary drum and is tangent to the rotary drum, and the distance between the scraper and the surface of the rotary drum is set according to the standard that the scraper can scrape off industrial salt on the surface of the rotary drum. The lower part of the scraper is provided with a hopper. The center of the rotary drum is provided with a rotating shaft, a cooling jacket is arranged in the rotary drum and connected with a plurality of cooling medium channels, and the bottom of the charging tray is provided with a heating device.
Furthermore, the slicer can also be the slicer that improves among the prior art, for example, its structure includes the shell, is equipped with gyro wheel, lower flitch and feed bin in proper order from the top down in the shell, is equipped with cooling jacket on the gyro wheel for lower the temperature to industrial salt, the flitch is down set up to the below of gyro wheel, also be equipped with cooling jacket on the flitch down, the industrial salt of cooling crystallization falls on the flitch down on the gyro wheel, further lowers the temperature through the flitch. The below of flitch is the feed bin down, and the flitch slope sets up down, can collect the industrial salt that falls from the gyro wheel, can make the industrial salt that drops from the gyro wheel again slide into the feed bin through flitch down, guarantees that industrial salt continues the cooling at the in-process of landing. The bottom of feed bin is equipped with the discharge gate, is equipped with the screen cloth that the slope set up in the top of discharge gate, is provided with the clearance mouth in the shell department that is close the lower position of screen cloth, and the industrial salt that gets into the feed bin sieves through the screen cloth, and the discharge gate discharge of the slice industrial salt of tiny particle or graininess industrial salt from the feed bin gets into and scrapes trigger or pipe chain machine, and the bold industrial salt of screen cloth top is through the screen cloth interception, discharges from the clearance mouth to prevent to block up and scrape trigger or pipe chain machine.
Further, when the screen is installed, the inclination angle of the screen is 3-15 degrees (compared with the horizontal plane), so that large blocky salt is gathered at the cleaning opening and is discharged from the cleaning opening.
Furthermore, the side length of the mesh of the screen is 50-190mm, and the mesh size of the screen is preferably 100 x 100 mm. The screen mesh is made of high temperature resistant materials, such as stainless steel 304, 316L, 316, 304ss, 310ss, carbon steel Q235, Q345, Q275, carbon steel lining ceramic and other special high temperature resistant materials.
Furthermore, a cooling medium for circulating cooling is introduced into the cooling jacket, and the cooling medium can be water, saline water, and organic solvents (xylene, solvent oil, etc.).
Furthermore, the conveying equipment can be various conveying equipment which is provided with a transmission mechanism and can perform heat exchange in the transmission conveying process, and the industrial salt can be sprayed and cooled in the transmission conveying process.
Preferably, the conveying means comprises a scraper, a pipe chain, a conveyor belt, or the like.
Further, in order to cool down the industrial salt at the in-process of carrying, the utility model discloses set up a plurality of atomizer above conveying equipment or conveying equipment, the atomizer carries out evenly setting along the direction that industrial salt carried. In the whole process from the industrial salt entering the conveying equipment to the industrial salt being sent out from the conveying equipment, atomized water is sprayed out from the atomizing spray head and sprayed on the surface of the industrial salt, and the rapid cooling of the industrial salt is realized by utilizing the latent heat of vaporization of the atomized water. The number of the atomizing nozzles, the interval distance and the like are set according to actual conditions so as to meet the requirement of industrial salt cooling.
Further, the other structures of the conveying equipment except the atomizing nozzle are the same as those of the prior art. When the conveying equipment is a scraper conveyor or a pipe chain conveyor, the conveying equipment comprises a feed inlet, a discharge outlet, a transmission mechanism, an air outlet, a scraper, a chain and the like. The air outlet is used for taking away the vapor after the gasification and recycling, and the air outlet can be connected with the draught fan to accelerate the extraction of the vapor. The heat exchange can be completed more quickly with the movement of the high temperature salt and the extraction of the water vapor. The draught fan can be connected with the dust removal device, the dust removal device is connected with the absorption tower, and the absorption tower is connected with the water tank. The water vapor pumped out from the draught fan is dedusted by the dedusting device, enters the absorption tower to be subjected to heat exchange and temperature reduction to become liquid water, and the liquid water is stored in the water tank for reuse.
Furthermore, the atomizer can link to each other with the water tank via high-pressure water pump, and liquid water in the water tank is sprayed into conveying equipment through the atomizer in to cool down industrial salt, realized the cyclic utilization of water.
The pneumatic conveying system is a pneumatic conveying or airflow conveying system disclosed in the prior art, and can convey granular materials in an airflow direction in a closed pipeline by utilizing the energy of airflow. The pneumatic conveying device or system with the function disclosed in the prior art can be used for the utility model.
Furthermore, the material of the slicing machine, the scraper or the pipe chain machine is a high-temperature resistant material, such as stainless steel 304, 316L, 316, 304ss, 310ss, carbon steel Q235, Q345, Q275, carbon steel lining ceramic and other special high-temperature resistant materials.
Use conveying equipment for scraping trigger or pipe chain machine as the example, use the utility model discloses industry fused salt rapid cooling system carries out rapid cooling's method to industrial salt does:
(1) slicing the industrial molten salt on a slicing machine to obtain flaky industrial salt solid;
(2) conveying the flaky industrial salt solid by using a scraper or a pipe chain machine, and continuously spraying atomized water to the surface of the flaky industrial salt solid through an atomizing nozzle in the conveying process to cool the industrial salt;
(3) discharging the flaky industrial salt solid from a discharge hole of a scraper conveyor or a pipe chain conveyor, wherein the discharge temperature is 100-200 ℃;
(4) the flaky industrial salt solid enters a pneumatic conveying system from a scraper or a pipe chain machine, is cooled to 40-80 ℃ again through pneumatic conveying, and industrial salt discharged from the pneumatic conveying system enters a packaging bin.
The utility model discloses earlier become the slice through the slicer with melt state industrial salt, the temperature is fallen to 600-. The utility model discloses carry the in-process of transporting at industrial salt, realized the rapid cooling of high temperature salt, solved that industrial salt natural cooling is long, area is big, transport danger and not in the aspect not enough, improved work efficiency. The cooled solid salt can enter a packaging bin for storage, and the water content is 0-5 wt%. Then the packaging is carried out by a packaging machine, thus realizing the continuous industrial production and the packaging requirements.
Further, the utility model discloses accomplish the cooling of industrial salt in the transportation of industrial salt, in order to realize that the temperature of the discharge gate industrial salt that scrapes the trigger falls to 100 and supplyes 200 ℃, can regulate and control through the conveying speed of slice industrial salt, the spraying speed and the spraying volume of vaporific water, the length of scraping trigger or pipe chain, the number of the shower nozzle on scraping trigger or the pipe chain trigger etc. condition.
The system of the utility model is suitable for the molten salt produced in the production processes of various agricultural chemical industries, fine chemical industries, pharmaceutical industries, chemical industries and the like after the high-temperature roasting of an industrial kiln (a glass kiln and the like), for example, the molten salt such as molten sodium chloride, potassium chloride, magnesium chloride, sodium sulfate, potassium sulfate, magnesium sulfate, sodium carbonate, sodium phosphate, sodium silicate, barium chloride and the like.
The utility model discloses following beneficial effect has:
1. the utility model can quickly change the fused salt from liquid state to sheet state, can carry out continuous and assembly line type industrial production, is safe and energy-saving, and saves labor;
2. the utility model discloses utilize the characteristics that the gasification latent heat of water is big, install atomizer in the conveying equipment that is used for industrial salt to transport, the water is the carrier gasification and takes away a large amount of heat, through the area of direct contact who increases water and industrial salt atomizes water, cools down simultaneously at the in-process of transporting, and heat transfer efficiency is fast, and is consuming time few, has improved work efficiency.
3. When the conveying equipment is non-open equipment such as a scraper machine, a pipe chain machine and the like, gasified water vapor can be pumped away by a draught fan from an air outlet, the water content and the quality of salt are not influenced, the pumped water vapor is changed into liquid water through dust removal and cooling, and the recovered water is atomized by a spray head and then gasified to cool the molten salt. Water is circulated through liquid state, gas state and liquid state, so that the water is recycled, water resources are saved, and the aims of saving energy, reducing emission and reducing cost are fulfilled.
4. The utility model discloses can be used to the cooling of the useless salt of melting that each field production processes such as sodium chloride, sodium sulfate, sodium carbonate, sodium phosphate produced, make things convenient for the packing storage, low cost, beneficial effect is showing, and the using value is high.
5. The utility model discloses can control the water content in the refined salt between 0.1% -5% according to the subsequent handling needs, the subsequent handling of being convenient for uses.
Drawings
Fig. 1 is a schematic diagram of the industrial molten salt rapid cooling system of the present invention.
Fig. 2 is a schematic structural diagram of the slicer of the present invention.
Wherein, 1, gyro wheel, 2, lower flitch, 3, feed bin, 4, screen cloth, 5, clearance mouth.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. In the following description, the apparatus or method used is prior art unless otherwise specified.
Example 1
The schematic diagram of the industrial molten salt rapid cooling system of the utility model is shown in figure 1, and comprises a slicing machine, a scraper or a pipe chain machine and a pneumatic conveying system. The slicing machine is used for slicing the industrial molten salt, and the scraper conveyor or the pipe chain conveyor comprises a feeding hole, a discharging hole, a transmission mechanism and an air outlet. The scraper conveyor or the pipe chain conveyor is connected with a discharge port of the slicing machine, a plurality of atomizing nozzles are arranged on the scraper conveyor or the pipe chain conveyor and used for conveying industrial salt, and the industrial salt is cooled by mist water sprayed by the atomizing nozzles in the conveying process. The pneumatic conveying system is connected with the scraper conveyor or the pipe chain conveyor and is used for conveying the industrial salt and cooling the industrial salt again through air flow in the air flow conveying process.
The temperature of the molten salt from the industrial kiln is 900-, and changing the water into liquid water again, and enabling the formed liquid water to enter the water tank for recycling. The flaky salt in the pipe chain machine or the scraper is continuously contacted with the atomized water for cooling, and when the flaky salt reaches the discharge hole of the pipe chain machine or the scraper, the temperature of the flaky salt is reduced to 100-200 ℃. And (3) feeding the cooled flaky salt into a pneumatic conveying system, cooling again through air flow conveying, cooling to 40-80 ℃ when the flaky salt is discharged from the pneumatic conveying system, feeding the cooled flaky salt into a packaging bin for storage, and continuously packaging by using a packaging machine.
Further, the slicer can adopt a slicer disclosed in the prior art, such as an industrial sodium chloride molten salt slicing device disclosed in patent CN207463175U, and can also adopt a self-improved slicer. The structure of modified slicer is as shown in fig. 2, including the shell, from the top down is equipped with gyro wheel 1 in proper order in the shell, lower flitch 2 and feed bin 3, is equipped with cooling jacket on the gyro wheel for cooling down industrial salt, lower flitch slope sets up in the shell, and the last cooling jacket that is equipped with of lower flitch, industrial salt that drops from the gyro wheel continue to cool down through contacting down the flitch, and industrial salt continues to cool down on the flitch wall down in-process, slides into the feed bin through lower flitch, and the feed bin is used for collecting and putting together industrial salt, the bottom of feed bin is equipped with the discharge gate, is equipped with the screen cloth 4 that the slope set up in the top of discharge gate, is provided with clearance mouth 5 in the lower shell. Screening the gathered industrial salt by using a screen, discharging flaky salt and small blocky salt from a discharge port, feeding the flaky salt and the small blocky salt into a scraper conveyor or a pipe chain conveyor, and continuously cooling again by using the scraper conveyor or the pipe chain conveyor; the large blocky salt is blocked by the screen mesh and stays and is discharged through the cleaning port. The installation angle of the screen is 3-15 degrees, so that large blocky salt can be conveniently gathered at the cleaning port and discharged from the cleaning port. The purpose of the screen arrangement is to prevent large lumps of salt from entering the scraper or pipe chain machine and clogging the scraper or pipe chain machine.
Furthermore, the side length of the mesh of the screen is 50-190mm, and the mesh size of the screen is preferably 100 x 100 mm. The screen mesh is made of high temperature resistant materials, such as stainless steel 304, 316L, 316, 304ss, 310ss, carbon steel Q235, Q345, Q275, carbon steel lining ceramic and other special high temperature resistant materials.
Further, the pipe chain machine and the scraper can be horizontal or angled. The transportation speed of the pipe chain machine and the scraper machine and the number of the atomizing nozzles can be adjusted according to actual conditions. The pipe chain machine and the scraper machine are the same as the prior art except that a plurality of atomizing nozzles are added at the upper part of the industrial salt conveying direction, and comprise a feed inlet, a discharge outlet, a transmission mechanism, an air outlet, a scraper, a chain and the like.
Further, the material of slicer, scraper and tube chain machine includes: stainless steel 304, 316L, 316, 304ss, 310ss, carbon steel Q235, Q345, Q275, carbon steel lining ceramic and other special high temperature resistant materials.
Further, the pneumatic conveying system is a device or a system for pneumatic conveying disclosed in the prior art. The general flow of pneumatic transmission is as follows: industrial salt coming out of a pipe chain machine or a scraper enters a raw material collecting tank of a pneumatic conveying system, enters a pneumatic conveying pipeline through a high-airtightness star-shaped blanking valve, enters a storage bin through air flow carrying, is separated from gas in the storage bin, falls to the bottom of the storage bin, and enters a packaging machine through a bottom valve; gas is dedusted by the high-efficiency filter cartridge collector, enters the first heat exchanger (surface cooler) for cooling after passing through the safety filter, enters the high-airtightness Roots blower, is compressed by the blower and then is sent to the second heat exchanger for cooling again, and then is sent to the bottom of the raw material collecting tank through the pneumatic conveying pipeline to complete one-time conveying circulation. The whole pneumatic conveying system is controlled by a PLC.
Example 2
The structure of the industrial molten salt rapid cooling system is the same as that of the embodiment 1, except that: the pipe chain machine or the scraper is replaced by a conveyor belt.
Claims (10)
1. An industrial molten salt rapid cooling system is characterized by comprising:
a slicing machine for slicing the industrial molten salt;
the conveying equipment is connected with a discharge port of the slicing machine and is used for conveying the industrial salt;
the plurality of atomizing nozzles are arranged above or on the conveying equipment, and spray mist water to cool the industrial salt in the conveying process of the industrial salt; and
and the pneumatic conveying system is connected with the conveying equipment and used for conveying the industrial salt and cooling the industrial salt again through the air flow in the air flow conveying process.
2. The system for rapidly cooling industrial molten salt according to claim 1, which is characterized in that: the slicer includes the shell, is equipped with gyro wheel, lower flitch and feed bin in proper order under to in the shell, is equipped with cooling jacket on the gyro wheel for lower the temperature to industrial salt, be equipped with cooling jacket on the lower flitch, the industrial salt that drops from the gyro wheel slides into the feed bin through lower flitch, the bottom of feed bin is equipped with the discharge gate, is equipped with the screen cloth that the slope set up in the top of discharge gate, is provided with the clearance mouth in the shell department that is close the lower position of screen cloth.
3. The system for rapidly cooling industrial molten salt according to claim 2, which is characterized in that: the blanking plate is obliquely arranged in the shell.
4. The system for rapidly cooling industrial molten salt according to claim 2, which is characterized in that: the inclination angle of the screen is 3-15 degrees.
5. The system for rapidly cooling industrial molten salt according to claim 2 or 4, which is characterized in that: the side length of the mesh of the screen is 50-190 mm.
6. The system for rapidly cooling industrial molten salt according to claim 1, which is characterized in that: the conveying equipment is provided with a transmission mechanism and comprises a scraper, a pipe chain machine or a conveying belt.
7. The system for rapidly cooling industrial molten salt according to claim 1 or 6, which is characterized in that: among the conveying equipment, evenly be provided with a plurality of atomizer along the top of industrial salt direction of delivery or on the conveying equipment for cool down industrial salt.
8. The system for rapidly cooling industrial molten salt according to claim 6, which is characterized in that: scrape trigger or pipe chain machine and include the air outlet, the air outlet links to each other with the draught fan, and the draught fan links to each other with dust collector, and dust collector and absorption tower link to each other, and the absorption tower links to each other with the water tank for retrieve exhaust vapor in the air outlet.
9. The system for rapidly cooling industrial molten salt according to claim 1 or 8, which is characterized in that: the atomizing nozzle is connected with the water tank through a high-pressure water pump.
10. The system for rapidly cooling industrial molten salt according to claim 1, which is characterized in that: the slicing machine and the conveying equipment are made of high-temperature-resistant materials.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022676444.0U CN213701205U (en) | 2020-11-18 | 2020-11-18 | Industrial molten salt rapid cooling system |
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| CN202022676444.0U CN213701205U (en) | 2020-11-18 | 2020-11-18 | Industrial molten salt rapid cooling system |
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| CN213701205U true CN213701205U (en) | 2021-07-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114522958A (en) * | 2022-02-27 | 2022-05-24 | 瀚蓝绿电固废处理(佛山)有限公司 | Method for rapidly cooling high-temperature liquid molten salt |
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2020
- 2020-11-18 CN CN202022676444.0U patent/CN213701205U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114522958A (en) * | 2022-02-27 | 2022-05-24 | 瀚蓝绿电固废处理(佛山)有限公司 | Method for rapidly cooling high-temperature liquid molten salt |
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