CN108043055A

CN108043055A - A kind of slurry atomization drying equipment for electric porcelain production

Info

Publication number: CN108043055A
Application number: CN201711306178.9A
Authority: CN
Inventors: 刘昆
Original assignee: Pingxiang City Jiangxi Province Nan Keng High Voltage Electric Porcelain Factory
Current assignee: Pingxiang City Jiangxi Province Nan Keng High Voltage Electric Porcelain Factory
Priority date: 2017-12-11
Filing date: 2017-12-11
Publication date: 2018-05-18
Anticipated expiration: 2037-12-11
Also published as: CN108043055B

Abstract

The invention discloses a kind of slurry atomization drying equipments for electric porcelain production, belong to electric porcelain production apparatus field.A kind of slurry atomization drying equipment for electric porcelain production includes babinet, dryness storehouse is from top to bottom equipped in babinet successively, discharging bin, screen storehouse, dryness storehouse top is provided with circular spray air duct, spray air duct bottom is uniformly provided with multiple exhaust vents, spray air inlet channel below air duct is provided with multiple vertical feed pipes, the end of each feed pipe is connected respectively a horizontal discharge nozzle, each discharge nozzle is annular in shape, and in same plane, the concyclic heart, the center in the diameter self-desiccation storehouse of each discharge nozzle outwards gradually increases, discharge hole is uniformly provided on each discharge nozzle, discharge hole is connected with atomizer, around equipped with multiple air outlets on discharging bin side wall, each air outlet is connected by wind pipe with heater.A kind of slurry atomization drying equipment for electric porcelain production disclosed by the invention can carry out batch mud atomization drying, uniform drying, work efficiency height.

Description

A kind of slurry atomization drying equipment for electric porcelain production

Technical field

The present invention relates to electric porcelain production apparatus fields, and in particular to a kind of to be set for the slurry atomization drying of electric porcelain production It is standby.

Background technology

The powder such as mud powder obtained by spray drying device has uniform particle, uniform moisture and good fluidity etc. Feature, it is ensured that for the internal stress of electrotechnical porcelain product than more uniform, spray drying device is necessary in current electric porcelain production technique sets One of standby, its performance directly influences the yield and quality of mud powder and the quality of electrotechnical porcelain product.Existing mud mist Change drying equipment to there are problems that uneven drying, work efficiency are low, mud powder cannot be screened.

The content of the invention

The defects of in order to overcome the prior art, the technical problems to be solved by the invention are to propose a kind of for electroceramics life The slurry atomization drying equipment of production can carry out batch mud atomization drying, and uniform drying, work efficiency is high, and realization pair The mud powder of atomization drying is screened, and ensures the uniformity of mud powder particle.

For this purpose, the present invention uses following technical scheme：

The present invention provides a kind of slurry atomization drying equipment for electric porcelain production, including babinet, in the babinet by It is equipped with dryness storehouse, discharging bin, screening storehouse successively under, the dryness storehouse top is provided with circular spray air duct, the spray wind Cylinder bottom is uniformly provided with multiple exhaust vents, is connected with hot air duct at the top of the spray air duct, the hot air duct is equipped with heating Device and the first wind turbine, the spray air inlet channel below air duct are provided with multiple vertical feed pipes, and each feed pipe is connected with inlet tube, The inlet tube is connected with mud pit, and connecting pipe is equipped with booster pump, and metering pump, each institute are equipped on each feed pipe The end for stating feed pipe is connected respectively a horizontal discharge nozzle, and each discharge nozzle is annular in shape, and in same flat Face, the concyclic heart, the diameter of each discharge nozzle outwards gradually increase from the center of the dryness storehouse, on each discharge nozzle uniformly Equipped with discharge hole, each discharge hole is respectively connected with atomizer；Around multiple air outlets are equipped on the discharging bin side wall, respectively The air outlet is connected with wind pipe, and the wind pipe is equipped with the second wind turbine, cartridge filter, and the cartridge filter passes through pipe Road is connected with the heater, and the discharging bin bottom is equipped with discharge port, the discharge port and the feed inlet in the screening storehouse Connection, described screen are provided with sieve in storehouse, the screening storehouse side wall is equipped with bulky grain above the sieve and exports, described big Particle outlet is concordant with the upper surface of the sieve, and the screening storehouse side wall is exported in the lower section of the sieve equipped with little particle, The little particle outlet is concordant with the bottom wall in the screening storehouse, and the screening storehouse lower part is equipped with force transmitting board, is set on the force transmitting board It is equipped with vibrating motor.

In preferably embodiment of the invention, there are two lifting cylinder, each liftings for the top setting of the babinet The piston-rod end of cylinder is equipped with arc scraper, and the arc scraper is close to the dryness storehouse inner wall and is set.

In preferably embodiment of the invention, stirring rod is provided in the mud pit, the stirring rod is equipped with and stirs Mix blade.

In preferably embodiment of the invention, lautertuns is additionally provided on the inlet tube, the lautertuns is located at described Between mud pit and the feed pipe, multistorey strainer mesh is equipped in the lautertuns.

In preferably embodiment of the invention, the straight direction radially adjacent to the sieve of the discharge port gradually subtracts Small, the discharge port side wall is equipped with to tap and hammer into shape, and the impact portion for tapping hammer and the sidewall spacers of the discharge port coordinate.

In preferably embodiment of the invention, through hole honeycomb aluminum plate is equipped in the spray air duct.

In preferably embodiment of the invention, the cabinet exterior is equipped with heating interlayer, at the top of the heating interlayer and Bottom is respectively arranged with water outlet, water inlet, and the water outlet, the water inlet are communicated with a water service pipe, each water flowing Motor-driven valve is equipped on pipe.

In preferably embodiment of the invention, the cartridge filter includes left plate, right plate, foreboard, the foreboard with The left plate or right plate pivot joint.

In preferably embodiment of the invention, the cartridge filter inner homogeneous is provided at least two blocks active carbon slabs, institute The shape that active carbon slab is stated with the cartridge filter is adapted, and the inner wall of the left plate, the inner wall of the right plate are in phase each other To being provided at least two pairs of sliding slots on position.

Beneficial effects of the present invention are：

Provided by the present invention for the slurry atomization drying equipment of electric porcelain production, by setting circular spray air duct and The even multiple exhaust vents for being arranged at the spray air duct bottom so that hot wind is fully dispersed to be entered in the dryness storehouse, increase and mud Starch the touch opportunity of droplet；The diameter of each discharge nozzle outwards gradually increases from the center of the dryness storehouse, by it is each it is described go out Expects pipe dispersed distribution is in the dryness storehouse so that the mud droplet that each atomizer ejects is well dispersed in described dry In dry storehouse, it can realize and once substantial amounts of mud droplet is dried, substantial amounts of mud droplet can come into full contact with hot wind, Improve drying efficiency；Each discharge nozzle is annular in shape, and in same plane, the concyclic heart so that each atomizer injection The mud droplet same time gone out contacts with hot wind, advantageously ensures that the dry mass of batch mud droplet；Mud droplet passes through For powder after heated-air drying from the discharge port into the sieve, the sieve screens powder, advantageously ensures that powder The uniformity of last granular size；The air outlet of the discharging bin is connected by pipeline with cartridge filter, heater successively, it is each it is described go out The exhaust gas of air port outflow reenters the dryness storehouse, fully after the Rose Box removal filtration by the heater Utilize the waste heat in exhaust gas.

Description of the drawings

Fig. 1 is a kind of structural representation of the slurry atomization drying equipment for electric porcelain production provided in the embodiment of the present invention Figure；

Fig. 2 is the cooperation of arc scraper, spray air duct and dryness storehouse.

In figure：

100th, babinet；111st, lifting cylinder；112nd, arc scraper；120th, heating interlayer；121st, water outlet；122nd, intake Mouthful；123rd, motor-driven valve；200th, dryness storehouse；210th, air duct is sprayed, 211, exhaust vent；212nd, hot air duct；213rd, heater；214th, One wind turbine；215th, through hole honeycomb aluminum plate；221st, feed pipe；222nd, inlet tube；223rd, mud pit；224th, booster pump；225th, measure Pump；226th, discharge nozzle；227th, atomizer；228th, stirring rod；229th, lautertuns；300th, discharging bin；311st, wind pipe；312、 Second wind turbine；313rd, discharge port；314th, hammer is tapped；320th, cartridge filter；321st, active carbon slab；322nd, left plate；323rd, right plate； 324th, foreboard；325th, sliding slot；400th, storehouse is screened；411st, sieve；412nd, bulky grain exports；413rd, little particle exports；414th, power transmission Plate；415th, vibrating motor.

Specific embodiment

Technical solution to further illustrate the present invention below with reference to the accompanying drawings and specific embodiments.

As shown in Figure 1, a kind of slurry atomization drying equipment of electric porcelain production includes babinet 100, in the babinet 100 by It is equipped with dryness storehouse 200, discharging bin 300, screening storehouse 400 successively under, 200 top of dryness storehouse is provided with circular spray wind Cylinder 210,210 bottom of the spray air duct are uniformly provided with multiple exhaust vents 211, and 210 top of spray air duct is connected with hot air duct 212, the hot air duct 212 is equipped with 213 and first wind turbine 214 of heater.

Spray air duct 210 lower section is provided with multiple vertical feed pipes 221, and each feed pipe 221 is and inlet tube 222 connections, the inlet tube 222 are connected with mud pit 223, and connecting pipe is equipped with booster pump 224, each feed pipe Metering pump 225 is equipped on 221, the end of each feed pipe 221 is connected respectively a horizontal discharge nozzle 226, respectively The discharge nozzle 226 is annular in shape, and in same plane, the concyclic heart, and the diameter of each discharge nozzle 226 is from the dryness storehouse 200 center outwards gradually increases, and discharge hole is uniformly provided on each discharge nozzle 226, and each discharge hole is respectively connected with mist Change nozzle 227.Since the diameter of each discharge nozzle is different, each metering pump 225 can be controlled accurately toward described in correspondence Discharge nozzle 226 is passed through the flow of mud so that the uniformity of the mud droplet size ejected from each atomizer 227, Advantageously ensure that the uniformity of mud powder particles size.

Around multiple air outlets are equipped on 300 side wall of discharging bin, each air outlet connects with wind pipe 311 Logical, the wind pipe 311 is equipped with the second wind turbine 312, cartridge filter 320, and the cartridge filter 320 passes through pipeline and the heating Device 213 connects, and second wind turbine 312 takes the exhaust gas in the dryness storehouse 200 and aqueous vapor away in time, enhances the dryness storehouse 200 heat transfer effect advantageously ensures that the dryness storehouse 200 is continually and steadily dried mud droplet；Due to exhaust gas and water With the heat of some in gas, therefore the cartridge filter 320 cleans to the exhaust gas and aqueous vapor that are come out from the air outlet Filtering enters the exhaust gas Jing Guo filtration treatment in the heater 213, so as to participate in the drying to next group mud droplet In process, realize and the waste heat in exhaust gas is made full use of.

300 bottom of discharging bin is equipped with discharge port 313, and the discharge port 313 passes through pipeline and the screening storehouse 400 The connection of feed inlet, described screen are provided with sieve 411 in storehouse 400, screening 400 side wall of storehouse is above the sieve 411 Equipped with bulky grain outlet 412, the bulky grain outlet 412 is concordant with the upper surface of the sieve 411, screening 400 side of storehouse Wall is equipped with little particle in 411 lower section of sieve and exports 413, and the bottom wall of the little particle outlet 413 and the screening storehouse 400 is put down Together, screening 400 lower part of storehouse is equipped with force transmitting board 414, is provided with vibrating motor 415 on the force transmitting board 414, passes through the sieve Net 411 screens mud powder.

A kind of slurry atomization drying equipment of above-mentioned electric porcelain production, 210 bottom of the circular spray air duct are uniformly set There are multiple exhaust vents, make hot wind fully dispersed into the dryness storehouse 200, increase and the touch opportunity of mud droplet；Respectively The diameter of the discharge nozzle 226 outwards gradually increases from the center of the dryness storehouse 200, makes full use of the dryness storehouse 200 Inner space, by each 226 dispersed distribution of discharge nozzle in the dryness storehouse 200 so that each atomizer 227 sprays The mud droplet gone out is well dispersed in the dryness storehouse 200, can realize and once substantial amounts of mud droplet is dried, and Unaffected between each other, substantial amounts of mud droplet can come into full contact with hot wind, improve drying efficiency；Each discharge nozzle 226 are in same plane so that the mud droplet same time that each atomizer 227 ejects contacts with hot wind, favorably In the dry mass for ensureing batch mud droplet, effectively avoid part mud droplet over-drying or without dry abundant；Mud For mud powder of the droplet after heated-air drying from the discharge port into the sieve, the sieve sieves mud powder Choosing advantageously ensures that the uniformity of mud powder particles size；The exhaust gas of each air outlet outflow passes through the cartridge filter 320 After removal filtration, the dryness storehouse 200 is reentered by the heater 213, makes full use of the waste heat in exhaust gas.

As shown in Figures 1 and 2, further, the top of the babinet 100 is set there are two lifting cylinder 111, each described The piston-rod end of lifting cylinder 111 is equipped with arc scraper 112, and the arc scraper 112 is close to 200 inner wall of dryness storehouse It sets；After the dryness storehouse 200 works a period of time, a small amount of mud powder of adherency is had on 200 inner wall of dryness storehouse, is made Into material composition is uneven and the waste of raw material, therefore the lifting cylinder 111 is set to drive the arc scraper 112 along institute It states 100 inner wall of babinet to move up and down, the mud powder for being adhered to 100 inner wall of babinet be scraped, by the arc scraper 112 The mud powder scraped is fallen to from the discharge port 313 on the sieve 411.

Further, stirring rod 228 is provided in the mud pit 223, the stirring rod 228 is equipped with agitating vane； The stirring rod 228 is stirred the mud in the mud pit 223, accelerates the flow rate of mud, effectively prevents mud Caking, while be conducive to continuous-stable and improve mud toward the feed pipe 221, ensure that the babinet 100 being capable of continuous firing.

Further, lautertuns 229 is additionally provided on the inlet tube 222, the lautertuns 229 is located at the mud pit Between 223 and the feed pipe 221, multistorey strainer mesh is equipped in the lautertuns 229；The impurity such as iron filings are adulterated in mud, easily Cause the quality problems of electroceramics finished product, the lautertuns 229 is set to be filtered removal of impurities to mud.

Further, the straight direction radially adjacent to the sieve 411 of the discharge port 313 is gradually reduced, the discharging Mouth 313 is obliquely installed, and can effectively be reduced mud powder and is deposited in the edge of the discharging bin 300, while reduce mud powder Expect the difficulty of cleaning；313 side wall of discharge port, which is equipped with, taps hammer 314, the impact portion for tapping hammer 314 and the discharge port 313 sidewall spacers cooperation, the mud powder through heated-air drying is easily adhered to the inner wall of the discharge port 313, unclear for a long time Reason easily causes mud powder caking, is deposited in the inner wall of the discharging bin 300, causes the blocking of the discharge port 313, influence mud The discharging speed of starch material, and be not easily cleaned, increase the intensity of later stage cleaning.Described tap is set to hammer 314 into shape, it is described to being adhered to Mud powder on 313 inner wall of discharge port is cleared up, and the number of taps for tapping hammer 314 is determined according to practical condition It is fixed.

Further, it is equipped with through hole honeycomb aluminum plate 215 in the spray air duct 210 so that the air-flow in the spray air duct 210 Scattered, the air-flow into each exhaust vent 211 is uniform, and local air flow is avoided to concentrate and generates impact to the spray air duct 210, is subtracted The vibration of few spray air duct 210.

Further, 200 outer wall of dryness storehouse is equipped with heating interlayer 120,120 top of heating interlayer and bottom point Water outlet 121, water inlet 122 are not provided with, and the water outlet 121, the water inlet 122 are communicated with a water service pipe, each institute It states and motor-driven valve 123 is equipped on water service pipe；In 200 course of work of dryness storehouse, mud that the atomizer 227 ejects Slurry drops small part can be adhered to the inner wall of the dryness storehouse 200, due to the temperature at 200 inner wall of dryness storehouse and its edge compared with 200 central temperature of dryness storehouse is low, causes to be adhered to the drop of 200 inner wall of dryness storehouse and in the dryness storehouse 200 The mud drop of inner wall edge is difficult to drying, causes the waste of uneven drying, raw material, therefore sets the heating interlayer 120 The dryness storehouse 200 is heated, it is uniform to be conducive to mud droplet drying.

Further, the cartridge filter 320 includes left plate 322, right plate 323, foreboard 324, the foreboard 324 and institute It states left plate 322 or the right plate 323 is pivotally connected；The foreboard 324 is pivotally connected with the left plate 322 or right plate 323, is convenient for The foreboard 324 with the left plate 322 or the right plate 323 is combined and is consolidated, also allows for dismantling the foreboard 324, It is replaced convenient for the element to the cartridge filter 320.

Further, 320 inner homogeneous of cartridge filter is provided at least two blocks active carbon slabs 321, the activity carbon slab 321 are adapted with the shape of the cartridge filter 320, the inner wall of the left plate 322, the inner wall of the right plate 323 are each other At least two pairs of sliding slots 325 are provided in relative position；The impurity in hot wind, moisture etc. is made to be fully absorbed by active carbon slab 321, is passed through The hot wind of filtering post processing can be re-entered into inside heater 213.The foreboard 324 is easy to disassemble, described to replace Active carbon slab 321, the sliding slot 325 is set to be for the ease of the active carbon slab 321 installation.

The operation principle of the present invention is as follows：

Start first wind turbine 214, the heater 213, the dryness storehouse 200 is preheated, when reaching preheating Between, the motor-driven valve 123 is opened, people's hot water is led in the heating interlayer 120, the stirring rod 228 is to the mud pit 223 Interior mud is stirred, and starts the booster pump 224, the metering pump 225, the vibrating motor 415, and mud flows through described Mud pit 223, the lautertuns 229, the feed pipe 221, the discharge nozzle 226 are ejected into from each atomizer 227 In the dryness storehouse 200, mud droplet is dried in hot wind, and mud powder after drying enters through the discharge port 313 The sieve, the sieve 411 screen mud powder.

When the dryness storehouse 200 work reaches setting drying time, startup second wind turbine 312, the dryness storehouse 200 Interior exhaust gas and aqueous vapor are from the air outlet into the cartridge filter 320, by 321 filtering and impurity removing of the active carbon slab, moisture Into the heater 213, reenter in the dryness storehouse 200.

When the dryness storehouse 200 works a period of time, start lifting cylinder 111, the arc scraper 112 is by the drying The mud powder of storehouse 200 inner wall adherency scrapes；Start described tap and hammer 314 into shape, the mud of 313 inner wall of discharge port will be adhered to Powder shakes off；Wherein, the arc scraper 112, the working time for tapping hammer 314 and frequency can be according to production scene situations It determines.

The present invention is described with reference to the preferred embodiments, and those skilled in the art know, is not departing from the present invention's In the case of spirit and scope, various changes or equivalence replacement can be carried out to these features and embodiment.The present invention is from this The limitation of specific embodiment disclosed in place, other embodiments fallen into claims hereof belong to protection of the present invention Scope.

Claims

1. a kind of slurry atomization drying equipment of electric porcelain production, it is characterised in that：

Including babinet (100), dryness storehouse (200), discharging bin (300), screening are from top to bottom equipped in the babinet (100) successively Storehouse (400), dryness storehouse (200) top are provided with circular spray air duct (210), and described spray air duct (210) bottom is uniformly set There are multiple exhaust vents (211), described spray is connected with hot air duct (212) at the top of air duct (210), on the hot air duct (212) Equipped with heater (213) and the first wind turbine (214)；

It is provided with multiple vertical feed pipes (221) below spray air duct (210), each feed pipe (221) is and feed liquor (222) connection is managed, the inlet tube (222) communicates with mud pit (223), and booster pump (224) is provided on connecting pipe, respectively Metering pump (225) is equipped on the feed pipe (221), the end of each feed pipe (221) has been connected respectively a water Flat discharge nozzle (226), each discharge nozzle (226) is annular in shape, and in same plane, the concyclic heart, each discharge nozzle (226) diameter outwards gradually increases from the center of the dryness storehouse (200), is uniformly provided with out on each discharge nozzle (226) Expect hole, each discharge hole is respectively connected with atomizer (227)；

Around multiple air outlets are equipped on discharging bin (300) side wall, each air outlet connects with wind pipe (311) Logical, the wind pipe (311) is equipped with the second wind turbine (312), cartridge filter (320), the cartridge filter (320) by pipeline with Heater (213) connection；

Discharging bin (300) bottom is equipped with discharge port (313), the charging of the discharge port (313) and screening storehouse (400) The connection of mouth, screening storehouse (400) is interior to be provided with sieve (411), and screening storehouse (400) side wall is in the sieve (411) Top is provided with bulky grain outlet (412), and the bottom and the upper surface of the sieve (411) of the bulky grain outlet (412) are put down Together, in below the sieve (411) little particle being set to export (413), the little particle exports screening storehouse (400) side wall (413) bottom is concordant with the bottom wall of screening storehouse (400), and described screening storehouse (400) lower part is equipped with force transmitting board (414), institute It states and vibrating motor (415) is provided on force transmitting board (414).

2. the slurry atomization drying equipment of electric porcelain production according to claim 1, it is characterised in that：

There are two lifting cylinder (111), the piston rod ends of each lifting cylinder (111) for the top setting of the babinet (100) End is equipped with arc scraper (112), and the arc scraper (112) is close to the setting of the dryness storehouse (200) inner wall.

3. the slurry atomization drying equipment of electric porcelain production according to claim 1, it is characterised in that：

Stirring rod (228) is provided in the mud pit (223), the stirring rod (228) is equipped with agitating vane.

4. the slurry atomization drying equipment of electric porcelain production according to claim 1, it is characterised in that：

Lautertuns (229) is additionally provided on the inlet tube (222), the lautertuns (229) is located at the mud pit (223) and institute Between stating feed pipe (221), multistorey strainer mesh is equipped in the lautertuns (229).

5. the slurry atomization drying equipment of electric porcelain production according to claim 1, it is characterised in that：

The straight direction radially adjacent to the sieve (411) of the discharge port (313) is gradually reduced, discharge port (313) side Wall, which is equipped with, taps hammer (314), and the impact portion for tapping hammer (314) and the sidewall spacers of the discharge port (313) coordinate.

6. the slurry atomization drying equipment of electric porcelain production according to claim 1, it is characterised in that：

Through hole honeycomb aluminum plate (215) is equipped in the spray air duct (210).

7. the slurry atomization drying equipment of electric porcelain production according to claim 1, it is characterised in that：

Babinet (100) outer wall is equipped with heating interlayer (120), and heating interlayer (120) top and bottom are respectively arranged with Water outlet (121), water inlet (122), the water outlet (121), the water inlet (122) are communicated with a water service pipe, each institute It states and motor-driven valve (123) is equipped on water service pipe.

8. the slurry atomization drying equipment of electric porcelain production according to claim 1, it is characterised in that：

The cartridge filter (320) include left plate (322), right plate (323), foreboard (324), the foreboard (324) with it is described Left plate (322) or the right plate (323) pivot joint.

9. the slurry atomization drying equipment of electric porcelain production according to claim 8, it is characterised in that：

Cartridge filter (320) inner homogeneous is provided at least two pieces active carbon slabs (321), the activity carbon slab (321) and institute The shape for stating cartridge filter (320) is adapted, and the inner wall of the left plate (322), the inner wall of the right plate (323) are in phase each other To being provided at least two pairs of sliding slots (325) on position.