CN213885017U - Spray drying tower for preparing microwave dielectric ceramic powder - Google Patents

Abstract

The utility model relates to the technical field of feed liquid drying, in particular to a spray drying tower for preparing microwave dielectric ceramic powder, which comprises a main body tower, a feeding pipe and an exhaust pipe, wherein the top of the main body tower is fixedly connected with the feeding pipe, one side of the feeding pipe is fixedly connected with a diaphragm type high-pressure pump, the top of the diaphragm type high-pressure pump is fixedly connected with a filter plate, one side of the filter plate is fixedly connected with a stepping motor, the top of the stepping motor is fixedly connected with a stirring paddle, the other side of a grounding chain is fixedly connected with a connecting cylinder, the connecting cylinder can separately clean the main body tower and a pipeline, avoids dirty water in the main body tower from influencing the cleaning in the pipeline, improves the practicability of the device, the grounding chain can lead static electricity on the main body tower to the ground, reduces the probability of explosion caused by the static electricity, improves the practicability of the device, and reduces the heat exchange between the main body tower and the outside, the probability of the slurry sticking to the wall is reduced, and the practicability of the device is improved.

Description

Spray drying tower for preparing microwave dielectric ceramic powder

Technical Field

The utility model relates to a feed liquid drying technology field specifically is a spray drying tower is used in microwave medium ceramic powder preparation.

Background

The spray drying tower is used for drying biological pesticide, medicine and food microbe, and is a drying process in which raw material liquid is separated into fog drops in an atomizer and the fog drops are contacted directly with hot air or other gas to obtain product in powder form.

Traditional spray drying tower needs the staff manual to wherein add thick liquids in the ground paste feed bucket, staff's working strength has not only been aggravated, and the manual work adds thick liquids and is comparatively time-consuming, the going on of drying step has been slowed down, and thick liquids subsides easily in the feed bucket, then lead to viscosity greatly increased, very easily make thick liquids glue the wall, the most directness of the exhaust emission step that has simultaneously is directly discharged hot waste gas, cause very big waste, and hot waste gas very easily leads to the fact the damage to filtering the sack, reduce its life.

Therefore, how to design a spray drying tower for preparing microwave dielectric ceramic powder becomes a problem which needs to be solved currently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spray drying tower is used in microwave medium ceramic powder preparation to the artifical thick liquids that add that proposes in solving above-mentioned background art is comparatively time-consuming, and hot waste gas direct discharge causes extravagant scheduling problem.

In order to achieve the above object, the utility model provides a following technical scheme: a spray drying tower for preparing microwave medium ceramic powder comprises a main body tower, a feeding pipe and an exhaust pipe, wherein the top of the main body tower is fixedly connected with the feeding pipe, one side of the feeding pipe is fixedly connected with a diaphragm type high-pressure pump, the top of the diaphragm type high-pressure pump is fixedly connected with a filter plate, one side of the filter plate is fixedly connected with a stepping motor, the top of the stepping motor is fixedly connected with a stirring paddle, the top of the stirring paddle is fixedly connected with a material conveying pipeline, the bottom end of the material conveying pipeline is fixedly connected with a liquid pump, the other side of the main body tower is fixedly connected with the exhaust pipe, the outer wall of the exhaust pipe is fixedly connected with a water cooling pipe, the bottom end of the water cooling pipe is fixedly connected with a water pump, the bottom end of the water pump is fixedly connected with a water storage tank, the other end of the exhaust pipe is fixedly connected with a dust filter bag, and the other side of the dust filter bag is fixedly connected with an exhaust pipeline, the bottom fixedly connected with reaction tank of exhaust gas pipeline, the inside fixedly connected with porous baffle of reaction tank, the bottom fixed connection of catch basin has the storage bucket.

Preferably, the bottom of the main tower is fixedly connected with a grounding chain.

Preferably, the other side of the grounding chain is fixedly connected with a connecting cylinder.

Preferably, the outer wall of the main body tower is fixedly connected with a heat insulation material.

Preferably, the feeding pipe at the top of the main body tower, the diaphragm type high-pressure pump at one side of the feeding pipe, the filter plate at the top of the diaphragm type high-pressure pump, the stepping motor at one side of the filter plate, the stirring paddle at the top of the stepping motor, the conveying pipeline at the top of the stirring paddle and the liquid pump at the bottom end of the conveying pipeline jointly form a conveying stirring mechanism.

Preferably, the exhaust pipe of main part tower opposite side, the water-cooled tube of exhaust pipe outer wall, the water pump of water-cooled tube bottom, the catch basin of water pump bottom, the dust of the exhaust pipe other end is crossed the filter bag, and the waste gas pipeline of filter bag opposite side is crossed to the dust, and the reaction tank and the inside porous partition plate of reaction tank of waste gas pipeline bottom constitute cooling purification mechanism jointly.

Compared with the prior art, the beneficial effects of the utility model are that:

1. according to the spray drying tower for preparing the microwave dielectric ceramic powder, the material conveying and stirring mechanism is arranged, the water pipe is connected to the liquid pump, the liquid pump is started to pump slurry into the feed barrel, the stepping motor is started to drive the stirring paddle to rotate, and pores are formed in the surface of the filter plate, so that small-particle slurry passes through the filter plate, large-particle slurry can be filtered, the blockage of a spray gun is avoided, the atomization effect is reduced, external slurry can be pumped into the feed barrel, the manual slurry adding time is shortened, the slurry can be stirred, and the slurry is prevented from standing and settling;

2. this kind of spray drying tower is used in microwave medium ceramic powder preparation, through setting up cooling purification mechanism, open the water pump and go into the water-cooled tube with the cold water pump, can make hot waste gas and water-cooled tube carry out the heat exchange, the dust is crossed the filter bag and can is filtered the dust in the waste gas, the inside desulfurizer of reaction tank can react with the waste gas that contains sulphur, can reduce the emission of dust and harmful gas, accord with the environmental protection theory of green production, and cool down hot waste gas, reduce the influence that hot waste gas high temperature produced to filtering the sack.

Drawings

Fig. 1 is a schematic view of the overall structure of the device body of the present invention;

FIG. 2 is a schematic structural view of a material conveying and stirring mechanism of the present invention;

FIG. 3 is a schematic structural view of the cooling and purifying mechanism of the present invention;

fig. 4 is a schematic structural view of the connecting cylinder of the present invention;

in the figure: 1. a main body tower; 2. a material carrying barrel; 3. a grounding chain; 4. a connecting cylinder; 5. a thermal insulation material; 6. a feeding pipe; 7. a diaphragm type high pressure pump; 8. a filter plate; 9. a stepping motor; 10. a stirring paddle; 11. a delivery pipeline; 12. a liquid pump; 13. an exhaust pipe; 14. a water-cooled tube; 15. a water pump; 16. a water storage tank; 17. a dust filter bag; 18. an exhaust gas conduit; 19. a reaction tank; 20. a porous separator.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a spray drying tower for preparing microwave medium ceramic powder comprises a main body tower 1, a feeding pipe 6 and an exhaust pipe 13, wherein the top of the main body tower 1 is fixedly connected with the feeding pipe 6, one side of the feeding pipe 6 is fixedly connected with a diaphragm type high-pressure pump 7, the top of the diaphragm type high-pressure pump 7 is fixedly connected with a filter plate 8, one side of the filter plate 8 is fixedly connected with a stepping motor 9, the top of the stepping motor 9 is fixedly connected with a stirring paddle 10, the top of the stirring paddle 10 is fixedly connected with a material conveying pipeline 11, the bottom end of the material conveying pipeline 11 is fixedly connected with a liquid pump 12, the other side of the main body tower 1 is fixedly connected with the exhaust pipe 13, the outer wall of the exhaust pipe 13 is fixedly connected with a water cooling pipe 14, the bottom end of the water cooling pipe 14 is fixedly connected with a water pump 15, the bottom end of the water pump 15 is fixedly connected with a water storage tank 16, the other end of the exhaust pipe 13 is fixedly connected with a dust filter bag 17, and the other side of the dust filter bag 17 is fixedly connected with an exhaust pipe 18, the bottom end of the waste gas pipeline 18 is fixedly connected with a reaction tank 19, the inside of the reaction tank 19 is fixedly connected with a porous partition plate 20, and the bottom of the water storage tank 16 is fixedly connected with the loading bucket 2.

Preferably, the grounding chain 3 is fixedly connected to the bottom of the main body tower 1, the moisture content of dust is generally low and the inlet air temperature is high in the spray drying production process, at this time, once static electricity is generated to cause sparks, dust burning or explosion is likely to occur, the grounding chain 3 is arranged at the bottom of the main body tower 1, the grounding chain 3 has conductivity to guide the static electricity generated by the main body tower 1 into the ground, the probability of dust explosion in the drying tower is reduced, and the practicability of the device is improved.

Preferably, the opposite side fixedly connected with connecting cylinder 4 of ground connection chain 3, current drying tower is mostly with pipeline body coupling, lead to rinsing simultaneously usually when rinsing, however the inside impurity of drying tower is more, be difficult to directly wash, then influence the washing of follow-up pipeline, through setting up connecting cylinder 4, use connecting cylinder 4 with main part tower 1 and pipe connection, when rinsing, can take off connecting cylinder 4, can separately wash main part tower 1 and pipeline, need not anxious dirty water can pollute follow-up pipeline, abluent process has been accelerated, the practicality of device has been improved.

Preferably, the outer wall fixedly connected with thermal insulation material 5 of main part tower 1, current drying tower has the stainless steel to make mostly, thermal-insulated effect is general, if it is too much with external exchange heat, make the inside temperature of drying tower can not reach the requirement, it can make the thick liquids glue the wall to be very likely, through setting up thermal insulation material 5, set up thermal insulation material 5 at the outer wall of main part tower 1, make it carry out the cladding to main part tower 1, and then reduce main part tower 1 and external heat exchange, the inside temperature of main part tower 1 has been guaranteed, the possibility that the thick liquids glue the wall has been reduced, the practicality of device has been improved.

Preferably, a feeding pipe 6 at the top of a main tower 1, a diaphragm type high-pressure pump 7 at one side of the feeding pipe 6, a filter plate 8 at the top of the diaphragm type high-pressure pump 7, a stepping motor 9 at one side of the filter plate 8, a stirring paddle 10 at the top of the stepping motor 9, a conveying pipeline 11 at the top of the stirring paddle 10 and a liquid pump 12 at the bottom end of the conveying pipeline 11 jointly form a conveying stirring mechanism, the traditional spray drying tower needs workers to manually add slurry into a slurry feeding barrel, so that the working strength of the workers is increased, time is consumed for manually adding the slurry, the drying step is slowed down, the slurry is easy to settle in the feeding barrel, the viscosity is greatly increased, the slurry is easily adhered to the wall, a water pipe can be connected to a connector at one side of the liquid pump 12 when the slurry needs to be added into the feeding barrel, the other end of the water pipe is placed inside the mixed slurry, the slurry can be pumped into the material conveying pipeline 11 by starting the liquid pump 12 and then enters the material feeding barrel, then the stepping motor 9 is started to drive the stirring paddle 10 to rotate, the slurry can be stirred, the slurry is prevented from settling, the slurry dissolution is accelerated, and because the surface of the filter plate 8 is provided with tiny pores, the slurry which can contain small particles passes through the diaphragm type high-pressure pump 7, the slurry is pumped into the feeding pipe 6 through the diaphragm type high-pressure pump 7 to complete feeding, the mechanism can pump the external slurry into the feeding barrel, reduces the time for manually adding the slurry, improves the efficiency of adding the slurry, improves the practicability of the device, the slurry can be stirred, the influence of the standing sedimentation of the slurry on the subsequent drying is avoided, the practicability of the device is improved, meanwhile, large-particle slurry can be filtered, the spray gun is prevented from being blocked, the atomization effect is reduced, and the practicability of the device is improved.

Preferably, the exhaust pipe 13 on the other side of the main tower 1, the water cooling pipe 14 on the outer wall of the exhaust pipe 13, the water pump 15 at the bottom end of the water cooling pipe 14, the water storage tank 16 at the bottom end of the water pump 15, the dust filter bag 17 at the other end of the exhaust pipe 13, the waste gas pipeline 18 on the other side of the dust filter bag 17, the reaction tank 19 at the bottom end of the waste gas pipeline 18 and the porous partition plate 20 inside the reaction tank 19 jointly form a cooling and purifying mechanism, most of the existing waste gas discharging steps directly discharge hot waste gas, which causes great waste, and the hot waste gas easily damages the filter bag, thus reducing the service life of the filter bag, by arranging the cooling and purifying mechanism, cold water is added into the water storage tank 16, before the waste gas passes through the exhaust pipe 13, the water pump 15 is started, cold water can be pumped into the water cooling pipe 14, because the water cooling pipe 14 is wound and attached to the outer wall of the exhaust pipe 13, so when the hot waste gas passes through the exhaust pipe 13, can indirectly exchange heat with the water-cooled tube 14, can reduce the temperature of hot waste gas and heat cold water, can pass through the dust filter bag 17 after the waste gas is cooled, thereby filtering dust in the waste gas, greatly reducing the dust content in the waste gas, then leading the waste gas to enter the waste gas pipeline 18 and enter the reaction tank 19, a desulfurizing agent, such as lime slurry or soda solution, can react with sulfur-containing waste gas, meanwhile, the porous partition plate 20 can puncture larger bubbles formed by the waste gas, leading the waste gas to fully react with a desulfurizing agent, the mechanism can cool the hot waste gas, reduce the influence of the high temperature of the waste gas on the filter cloth bag, simultaneously can heat a water source, can stir slurry by using hot water, further reduce the wall sticking phenomenon, improve the practicability of the device, can reduce the emission of dust and harmful gas, and accord with the environmental protection idea of green production, the practicability of the device is improved.

The working principle is as follows: firstly, by arranging a material conveying and stirring mechanism, when slurry needs to be added into a material feeding barrel, a water pipe can be connected to a connector on one side of a liquid pump 12, the other end of the water pipe is placed inside the mixed slurry, the liquid pump 12 is started to pump the slurry into a material conveying pipeline 11 and then enter the material feeding barrel, a stepping motor 9 is opened to drive a stirring paddle 10 to rotate, the slurry can be stirred, the slurry is prevented from settling and the slurry dissolution is accelerated, small-particle slurry can be accommodated and pass through fine pores on the surface of a filter plate 8 and then enter a diaphragm type high-pressure pump 7, the slurry is pumped into a material feeding pipe 6 through the diaphragm type high-pressure pump 7 to finish the material feeding, the mechanism can pump the external slurry into the material feeding barrel, the time for manually adding the slurry is shortened, the slurry adding efficiency is improved, the practicability of the device is improved, and the slurry can be stirred, the influence of the standing sedimentation of the slurry on the subsequent drying is avoided, the practicability of the device is improved, meanwhile, the large-particle slurry can be filtered, the spray gun is prevented from being blocked, the atomization effect is reduced, and the practicability of the device is improved;

then, through setting up the cooling purification mechanism, add cold water to the water storage tank 16 inside first, before the exhaust pipe 13 is passed through to the waste gas, turn on the water pump 15, can pump the cold water into the water-cooled tube 14, because the water-cooled tube 14 twines and laminates in the outer wall of exhaust pipe 13, when there is hot waste gas to pass through in the exhaust pipe 13, can carry on the heat exchange with the water-cooled tube 14 indirectly, can make the hot waste gas temperature reduce and heat the cold water at the same time, can pass through the dust filter bag 17 after the waste gas cools down, thus filter the dust in the waste gas, make the dust content in the waste gas reduce greatly, then make the waste gas enter the waste gas pipeline 18, and let into the reaction tank 19, 19 inside of reaction tank contain the desulfurizing agent, such as lime slurry or soda solution, can react with the sulfur-containing waste gas, the porous baffle 20 can puncture the bigger bubble that the waste gas forms, make the waste gas react with desulfurizer fully, this mechanism can cool down the hot waste gas, the influence of high temperature of hot waste gas on the filtering cloth bag is reduced, a water source can be heated, slurry can be stirred by hot water, the wall sticking phenomenon is reduced, the practicability of the device is improved, the emission of dust and harmful gas can be reduced, the environment-friendly concept of green production is met, and the practicability of the device is improved;

then, the grounding chain 3 is arranged at the bottom of the main body tower 1, and the grounding chain 3 has conductivity so that static electricity generated by the main body tower 1 can be guided into the ground, thereby reducing the probability of dust explosion in the drying tower and improving the practicability of the device;

then, by arranging the connecting cylinder 4, the main body tower 1 is connected with the pipeline by using the connecting cylinder 4, and when the main body tower 1 and the pipeline are cleaned, the connecting cylinder 4 can be taken down, so that the main body tower 1 and the pipeline can be cleaned separately, and the problem that dirty water can pollute the subsequent pipeline is avoided, the cleaning process is accelerated, and the practicability of the device is improved;

finally, through setting up thermal insulation material 5, set up thermal insulation material 5 at the outer wall of main part tower 1, make it carry out the cladding to main part tower 1, and then reduce main part tower 1 and external heat exchange, guaranteed the inside temperature of main part tower 1, reduced the thick liquids and glued the possibility of wall, improved the practicality of device, this is exactly this kind of microwave medium ceramic powder preparation is with spray drying tower's theory of operation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a microwave dielectric ceramic powder preparation is with spray drying tower, includes main part tower (1), feeding pipe (6) and blast pipe (13), its characterized in that: the device comprises a main body tower (1), a feeding pipe (6) fixedly connected to the top of the main body tower (1), a diaphragm type high-pressure pump (7) fixedly connected to one side of the feeding pipe (6), a filter plate (8) fixedly connected to the top of the diaphragm type high-pressure pump (7), a stepping motor (9) fixedly connected to one side of the filter plate (8), a stirring paddle (10) fixedly connected to the top of the stepping motor (9), a material conveying pipeline (11) fixedly connected to the top of the stirring paddle (10), a liquid pump (12) fixedly connected to the bottom of the material conveying pipeline (11), an exhaust pipe (13) fixedly connected to the other side of the main body tower (1), a water-cooling pipe (14) fixedly connected to the outer wall of the exhaust pipe (13), a water pump (15) fixedly connected to the bottom of the water-cooling pipe (14), and a water storage tank (16) fixedly connected to the bottom of the water pump (15), the other end fixedly connected with dust of blast pipe (13) crosses filter bag (17), the opposite side fixedly connected with exhaust duct (18) of filter bag (17) is crossed to the dust, the bottom fixedly connected with reaction tank (19) of exhaust duct (18), the inside fixedly connected with porous baffle (20) of reaction tank (19).

2. A spray drying tower for microwave dielectric ceramic powder production as claimed in claim 1, wherein: the bottom of the water storage tank (16) is fixedly connected with a material carrying barrel (2).

3. A spray drying tower for microwave dielectric ceramic powder production as claimed in claim 1, wherein: the bottom of the main tower (1) is fixedly connected with a grounding chain (3).

4. A spray drying tower for microwave dielectric ceramic powder production as claimed in claim 3, wherein: the other side of the grounding chain (3) is fixedly connected with a connecting cylinder (4).

5. A spray drying tower for microwave dielectric ceramic powder production as claimed in claim 1, wherein: the outer wall of the main body tower (1) is fixedly connected with a heat insulation material (5).

6. A spray drying tower for microwave dielectric ceramic powder production as claimed in claim 1, wherein: the material feeding device is characterized in that a material feeding pipe (6) at the top of the main body tower (1), a diaphragm type high-pressure pump (7) on one side of the material feeding pipe (6), a filter plate (8) at the top of the diaphragm type high-pressure pump (7), a stepping motor (9) on one side of the filter plate (8), a stirring paddle (10) at the top of the stepping motor (9), a material conveying pipeline (11) at the top of the stirring paddle (10) and a liquid pump (12) at the bottom end of the material conveying pipeline (11) jointly form a material conveying stirring mechanism.

7. A spray drying tower for microwave dielectric ceramic powder production as claimed in claim 1, wherein: exhaust pipe (13) of main part tower (1) opposite side, water-cooling pipe (14) of exhaust pipe (13) outer wall, water pump (15) of water-cooling pipe (14) bottom, catch basin (16) of water pump (15) bottom, dust of the exhaust pipe (13) other end is crossed filter bag (17), the waste gas pipeline (18) of dust filter bag (17) opposite side, reaction tank (19) and the inside porous partition (20) of reaction tank (19) of waste gas pipeline (18) bottom constitute cooling purification mechanism jointly.

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