CN101780880A - Cooling device - Google Patents
Cooling device Download PDFInfo
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- CN101780880A CN101780880A CN 201010134316 CN201010134316A CN101780880A CN 101780880 A CN101780880 A CN 101780880A CN 201010134316 CN201010134316 CN 201010134316 CN 201010134316 A CN201010134316 A CN 201010134316A CN 101780880 A CN101780880 A CN 101780880A
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Abstract
A cooling device comprises a cooling bin. The cooling bin is provided with a front end cover, a rear end cover, a material inlet, a material outlet, a cooling air inlet, a cooling air outlet and a helical mixing conveyor, wherein the helical mixing conveyor comprises a transmission shaft connecting the front end cover and the rear end cover; the transmission shaft is provided with positive helical slices and reverse helical slices; and the transfer directions of the positive helical slices and the reverse helical slices are opposite. The cooling device solves the problem that the materials are piled at the ends because the helical mixing conveyors arranged in the cooling devices in the prior art transfer the materials only towards one direction, and the problem of indirect cooling effect of the cooling air in the prior art, and can avoid the transfer efficiency from being affected because the materials are piled at the ends of the helical mixing conveyors and improve the cooling effect of the cooling air while ensuring normal transfer of the materials.
Description
Technical field
The present invention relates to a kind of cooling mechanism, specifically a kind of cooling mechanism that is used for powder material.
Background technology
Cooling mechanism is a kind of equipment with cooling effect, is widely used in industries such as production, processing.Cooling mechanism of the prior art generally all is provided with ventilation inlet and air outlet, and portion also is provided with stirring conveying device within it, is used for material to be cooled is stirred and carries, and stirring conveying device commonly used is a helix transporting device.
The applicant is in the application number of submitting before this is 201020000178.3 utility application, a kind of steam sterilizer is disclosed, be provided with the cooling storehouse in this steam sterilizer, described cooling storehouse is the cavity that has cooling sandwith layer, on its cavity, be provided with cooling storehouse inlet point and cooling warehouse discharging mouth, be provided with the helical stir conveyer in described inside cavity, be provided with dust-precipitator along the throughput direction of described helical stir conveyer and the top that is positioned at described cooling storehouse; In described cooling storehouse outer setting cooling air air intake bellows with described cooling storehouse internal communication are arranged, the position that described cooling air air intake bellows and cooling storehouse are connected is provided with filter screen; Be provided with refrigerating gas discharging pneumatic valve on the top of described dust-precipitator, described refrigerating gas discharging pneumatic valve is connected with the ventilation induced draft fan.
In this technical scheme,, need be rotated stirring to the material in the storehouse, make it fully contact the effect that reaches quick cooling with cold air by the helical stir conveyer that in the cooling storehouse, is provided with in order to accelerate the rate of cooling of material.In the above-mentioned cooling storehouse, the bottom that described cooling storehouse generally can be selected to be arranged in the position that is provided with for cooling air air intake bellows, cooling air enters in the cavity of cooling storehouse by described filter screen behind described air intake bellows, the wind inlet channel of cooling air is to enter in the cavity to flow to the left and right sides after the air intake of bottom like this, cooling air is not very direct to the cooling effect of material like this, so can to a certain degree influence be arranged to cooling effectiveness.
In addition, in the described cooling storehouse helical stir conveyer constantly convey materials to cooling off the warehouse discharging mouth, because under the effect of auger loader, material is only carried to a direction, material is easy to pile up in the helical stir conveyor end when being delivered to cooling warehouse discharging mouth place like this, even transmission shaft with described helical stir conveyer can appear by the situation of asphyxia by external pressure on the chest and abdomen, and influence the normal operation of described helical stir conveyer, also make blanking not thorough simultaneously.
In order further to solve the problems of the technologies described above, the applicant improves on the basis of its original technical scheme, has obtained technical solutions according to the invention.
Summary of the invention
For this reason, technical matters to be solved by this invention is a cooling mechanism of the prior art, the helical stir conveyer of its setting only transmits material facing one direction, cause material to be piled up along the end of throughput direction easily at the helical stir conveyer, influence the normal conveying of the normal operation and the material of described helical stir conveyer drive shaft, make that also blanking is not thorough in the material transmission course, and then provide a kind of and when guaranteeing that material is normal and carrying, can avoid material to pile up the cooling mechanism that influences transport efficiency in the helical stir conveyor end.
Another technical matters to be solved by this invention is a cooling mechanism of the prior art, its cooling air enters in the cavity mobile to the left and right sides from the bottom in described cooling storehouse, the throughput direction of air intake wind direction and material is inconsistent, make the roundabout problem of cooling effect of cooling air, thus provide a kind of can cooling mechanism more direct, that in the process that material to be cooled is transmitted, material is fully cooled off efficiently.
For solving the problems of the technologies described above, the invention provides a kind of cooling mechanism, comprise the cooling storehouse, the two ends in described cooling storehouse are provided with front end cover, rear side housing, top, described cooling storehouse and close described front end cover place are provided with cooling storehouse material inlet, bottom, described cooling storehouse and close described rear side housing place are provided with cooling storehouse material outlet, also are provided with cooling air ventilation inlet and cooling air air outlet on the described cooling storehouse; Also be provided with the helical stir conveyer in described cooling storehouse, described helical stir conveyer comprises the transmission shaft that connects described front end cover and described rear side housing, and the motor that is connected with described transmission shaft; Described transmission shaft is provided with right-handed screw sheet and antispin sheet, and the direction of transfer of described right-handed screw sheet and described antispin sheet is opposite; The initiating terminal of described right-handed screw sheet is arranged on the described cooling Cang Wuliaochukouchu of a distance end far away, and the initiating terminal of described antispin sheet then is arranged on the end near described cooling Cang Wuliaochukouchu; Along the transmission direction of described transmission shaft, the terminal of the terminal of described right-handed screw sheet and described antispin sheet all is positioned at the top of described cooling storehouse material outlet.
In described cooling mechanism,, be provided with between the terminal of the terminal of described right-handed screw sheet and described antispin sheet at interval along the transmission direction of described transmission shaft.
Described interval is less than or equal to the size of described cooling storehouse material outlet.
The pitch of described antispin sheet is less than the size of described cooling storehouse material outlet.
The pitch of described right-handed screw sheet is greater than the pitch of described antispin sheet.
Described cooling air ventilation inlet is arranged on the described front end cover.
The place is provided with filter screen at described cooling air ventilation inlet, and the aperture of described filter screen is less than the particle diameter of the material of required cooling.
Described cooling air air outlet is arranged on top, described cooling storehouse.
The place is provided with dust arrester installation at described cooling air air outlet, and the top of described dust arrester installation is provided with air outlet valve.
Described air outlet valve is connected with induced draft fan.
Described cooling Cang Wuliaorukouchu is provided with inlet valve, and described cooling Cang Wuliaochukouchu is provided with bleeder valve.
Technique scheme has the following advantages compared to existing technology,
(1) cooling mechanism of the present invention, the helical stir conveyer that is provided with in the cooling storehouse comprises right-handed screw sheet and the antispin sheet that is arranged on its transmission shaft; The initiating terminal of described right-handed screw sheet is arranged on the described cooling Cang Wuliaochukouchu of a distance end far away, and the initiating terminal of described antispin sheet is arranged on the end near described cooling Cang Wuliaochukouchu.
When stating the helical stir conveyer in the use material being carried, described right-handed screw sheet is mainly used in carries material to be cooled, helical stir conveyer of the prior art only is provided with the right-handed screw sheet, material to be cooled like this arrives the other end of helical stir conveyer and discharges from cooling storehouse material outlet after transmitting, meanwhile the continuous convey materials along with material is easy to be deposited in the end of transmission shaft near described cooling storehouse material outlet, and the setting of antispin sheet then is to carry out reverse transmission for the material that will be delivered to described antispin sheet among the present invention; The setting of antispin sheet has just solved the problem that material is piled up near an end of described cooling storehouse material outlet at transmission shaft in the prior art like this; But the spiralization cycle that described antispin sheet is provided with can not be too many, can the normal conveying of material to be cooled be impacted too much, can't realize above-mentioned purpose, so further define " along the transmission direction of described transmission shaft; the terminal of the terminal of described right-handed screw sheet and described antispin sheet all is positioned at the top of described cooling storehouse material outlet " in the cooling mechanism of the present invention, so just further guaranteed that material is after the right-handed screw sheet is delivered to described antispin sheet place, described antispin sheet can carry out the reverse conveying of certain distance to this material, the reverse conveying of described certain distance makes material just through oppositely carrying the back and mixing further cooling with the material of carrying through forward that it meets, simultaneously when cooling off to falling into described cooling Cang Wuliaochukouchu.
So realized on the whole described helical stir conveyer with material when described cooling storehouse material outlet direction is carried, the right-handed screw sheet just changes, described antispin sheet counter-rotating, avoided material only when right-handed screw sheet direction is carried, to accumulate material at cooling Cang Houduangaichu easily, even with the problem of transmission shaft asphyxia by external pressure on the chest and abdomen, the reverse conveying of antispin sheet simultaneously can reduce the problem of material stock at the bottom of the storehouse, rear side housing place, makes blanking more thorough, has reduced the loss of material in cooling process.
(2) cooling mechanism of the present invention, transmission direction along described transmission shaft further is set, be provided with between the terminal of the terminal of described right-handed screw sheet and described antispin sheet at interval, just changeing through described right-handed screw sheet and material after described antispin sheet counter-rotating can successfully break away from described transmission shaft and fall into described cooling Cang Wuliaochukouchu through described interval like this.The preferred described size that is less than or equal to described cooling storehouse material outlet that is spaced apart, when so just having guaranteed that material falls into described cooling Cang Wuliaochukouchu smoothly through described interval, also can obtain bigger forward fed distance as much as possible, carry the time of simultaneously material being cooled off so that improve.
(3) cooling mechanism of the present invention is arranged on described cooling air ventilation inlet on the described front end cover, has so just realized the consistent of the air intake wind direction of cooling air and mass transport direction, is convenient to material to be cooled is carried out air cooling better; The place is provided with filter screen at described cooling air ventilation inlet, the aperture of described filter screen is less than the particle diameter of the material of required cooling, this is provided with and has guaranteed that the material of kicking up can not disperse outside the cooling storehouse in the stirring of helical stir conveyer or convey materials process, but attached to the filter screen inwall, under the cooling wind action, come back to then in the cooling storehouse, be delivered to cooling storehouse material outlet by described helical stir conveyer;
In addition, cooling mechanism of the present invention further is provided with described cooling air ventilation inlet on the basis of above-mentioned setting be circular, be most preferred air intake design,, thereby improved the service efficiency of cold wind on the whole because this design provides big as far as possible incoming air area.
(4) cooling mechanism of the present invention, cooling storehouse material inlet is positioned at the top, cooling storehouse near front end cover, described cooling storehouse material outlet is positioned near rear side housing cooling bottom, storehouse, described cooling air air outlet is arranged on top, described cooling storehouse, be more convenient for charging and discharging like this, material can stir cooling and to the material outlet direction conveying of cooling storehouse, make cooling and conveying more reasonable by the helical stir conveyer after the while charging, save the time, improved work efficiency.
(5) cooling mechanism of the present invention, the place is provided with dust arrester installation at described cooling air air outlet, material in the cooling storehouse moves under the effect of cold wind and helical stir conveyer, the material to described dust arrester installation place that moves with cold wind is blocked, make material can not discharge, reduced the loss that material causes in cooling process with cold wind; Cooling mechanism of the present invention, also be provided with air outlet valve at the top of described dust arrester installation, described air outlet valve is connected with induced draft fan, the velocity of liquid assets of cooling air in the cooling storehouse quickened in being provided with of induced draft fan, it is more abundant to make that cooling air contacts with material, faster, saved hardening time, improved cooling effectiveness.
Description of drawings
For the easier quilt of content of the present invention is clearly understood, below according to a particular embodiment of the invention and in conjunction with the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the structural representation of cooling mechanism of the present invention;
Fig. 2 is the scheme drawing that ventilation inlet is arranged on cooling storehouse front end cover in the cooling mechanism of the present invention;
Fig. 3 is the structural representation that is provided with the cooling mechanism of inlet valve, bleeder valve and dust arrester installation of the present invention.
Reference numeral is expressed as among the figure: 1-filter screen, 2-front end cover, 3-motor, 4-cooling storehouse material inlet, 5-cools off storehouse, 6-transmission shaft, 7-dust arrester installation, 8-air outlet valve, the 9-induced draft fan, 10-cooling storehouse material outlet, 11-bleeder valve, 12-right-handed screw sheet, 13-cooling air air outlet, 14-inlet valve, the 15-rear side housing, 16-antispin sheet, 17-cooling air ventilation inlet, 18-helical stir conveyer, the initiating terminal of 19-antispin sheet, the initiating terminal of 20-right-handed screw sheet.
The specific embodiment
Cooling mechanism of the present invention can see from this figure that as shown in Figure 1 it comprises a cylindrical circular cooling storehouse 5, and described cooling storehouse 5 is horizontally arranged with front end cover 2 and rear side housing 15; Be provided with cooling storehouse material inlet 4 on 5 tops, described cooling storehouse and near described front end cover 2 places, be provided with cooling storehouse material outlet 10 in 5 bottoms, described cooling storehouse and near described rear side housing 15 places; In addition, on the front end cover 2 in described cooling storehouse 5, cooling air ventilation inlet 17 is set, be provided with cooling air air outlet 13 on 5 tops, described cooling storehouse and near described rear side housing 15 places, cooling air is discharged from described cooling air air outlet 17 after circulating after described cooling air ventilation inlet 17 enters described cooling storehouse 5 like this.In order when material is cooled off, to realize conveying to material, cooling mechanism of the present invention also is provided with helical stir conveyer 18 in described cooling storehouse 5, described helical stir conveyer 18 comprises the transmission shaft 6 that connects described front end cover 2 and described rear side housing 15, and the motor 3 that is connected with described transmission shaft 6; Be provided with right-handed screw sheet 12 and antispin sheet 16 on described transmission shaft 6, the pitch of described right-handed screw sheet 12 is greater than the pitch of described antispin sheet 16; The initiating terminal 20 of described right-handed screw sheet is arranged on distance material outlet 10 places, a described cooling storehouse end far away, one end of promptly close in this embodiment described cooling storehouse 5 front end covers 2,19 of the initiating terminals of described antispin sheet are arranged on the end near material outlet 10 places, described cooling storehouse, i.e. an end of the rear side housing 15 in close described cooling storehouse 5; All along the transmission direction setting of described transmission shaft 6, under the drive of turning cylinder 6, described right-handed screw sheet 12 and described antispin sheet 16 have formed its specific still opposite rotation delivery track of direction like this for described right-handed screw sheet 12 and described antispin sheet 16; Transmission direction along described transmission shaft 6, the terminal of the terminal of described right-handed screw sheet 12 and described antispin sheet 16 all is positioned at the scope top of described cooling storehouse material outlet 10, and be provided with between the terminal of the terminal of described right-handed screw sheet 12 and described antispin sheet 16 at interval, described interval equals the pitch of antispin sheet 16 in the present embodiment.
In the present embodiment, in order to improve the cooling performance of cooling air to material, described cooling air ventilation inlet 17 is set for circular, as shown in Figure 2, is provided with filter screen 1 at described cooling air ventilation inlet 17 places, the aperture of described filter screen 1 is less than the particle diameter of the material of required cooling.
As embodiment that can conversion, the interval that is provided with between the terminal of the terminal of right-handed screw sheet 12 and described antispin sheet 16 in the cooling mechanism of the present invention is less than the size of described cooling storehouse material discharging opening 10, and the pitch of described antispin sheet 16 is less than the size of described cooling storehouse material outlet 10.As another can conversion embodiment, the terminal of the terminal of right-handed screw sheet 12 and described antispin sheet 16 can link together in the cooling mechanism of the present invention, can realize purpose of the present invention too.In addition, cooling air ventilation inlet 17 described in the cooling mechanism of the present invention also can be arranged on the top or the bottom in described cooling storehouse 5 according to actual requirement of engineering.
In addition, cooling mechanism of the present invention can also be set to structure as shown in Figure 3, this cooling mechanism is on the architecture basics that aforementioned cooling mechanism had, connection is provided with inlet valve 14 at material inlet 4 places, described cooling storehouse, material outlet 10 places, described cooling storehouse are connected with bleeder valve 11,13 places are connected with dust arrester installation 17 at described cooling air air outlet, and the top of described dust arrester installation is provided with air outlet valve 8, and described air outlet valve 8 is connected with induced draft fan 9.
Cooling mechanism of the present invention in use, its working process is as follows:
The first, open inlet valve 14, close bleeder valve 11, treat that material enters into cooling fully from described cooling storehouse material inlet 4 and closes described inlet valve 14 behind 5 inside, storehouse.Then, open induced draft fan 9, under the effect of described induced draft fan 9, in 17 mouthfuls of described cooling air ventilation inlets entered the cooling storehouse, circulation in the cooling storehouse was after 13 discharges of cooling air air outlet by filter screen 1 for cooling air;
The second, when opening induced draft fan 9, unlatching is arranged at the motor 3 on the described cooling storehouse 5, select the agitating function shelves of helical stir conveyer 18, under the effect of motor 3, the 12 pairs of materials of right-handed screw sheet that drive on the transmission shaft 6 fully stir, antispin sheet 16 also rotates thereupon and equally material is stirred, and makes the material in the cooling storehouse 5 fully contact quick cooling with cooling air when stirring;
The 3rd, after treating material cooling fully, select the conveying function shelves of helical stir conveyer 18, open bleeder valve 11 then, under the effect of motor 3, the right-handed screw sheet 12 that is arranged on the transmission shaft 6 of described helical stir conveyer 18 transmits forward while rotating, simultaneously material is transmitted to cooling storehouse material outlet 10 directions, when material is delivered near material outlet 10 places, described cooling storehouse under the effect of described right-handed screw sheet 12, material touches described antispin sheet 12, under the effect that described antispin sheet 16 contrarotations are carried, material falls to described cooling storehouse material outlet 10 through described bleeder valve 11 discharges at the junction or the interval between described right-handed screw sheet 12 and the described antispin sheet 16 of described right-handed screw sheet 12 and described antispin sheet 16, in said process, cooling air also cools off material when material is carried; Antispin sheet on the described transmission shaft 6 16 counter-rotatings simultaneously, the material that accumulates in rear side housing 15 places is transmitted to described cooling storehouse material outlet 10 from rear side housing 15 under the effect of antispin sheet 16, make cooled material discharge by cooling storehouse material outlet 10, thereby make the material blanking more thorough, the material of having avoided material only may cause along a direction transmission accumulates and stops up, and has reduced the material loss that blanking does not thoroughly cause.
Obviously, the foregoing description only is for example clearly is described, and is not the qualification to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And conspicuous variation of being extended out thus or change still are among the protection domain of the invention.
Claims (10)
1. cooling mechanism, comprise the cooling storehouse, described cooling storehouse is cylindric, its two ends are provided with front end cover, rear side housing, top, described cooling storehouse and close described front end cover place are provided with cooling storehouse material inlet, bottom, described cooling storehouse and close described rear side housing place are provided with cooling storehouse material outlet, and described cooling storehouse is provided with cooling air ventilation inlet and cooling air air outlet; Also be provided with the helical stir conveyer in described cooling storehouse, described helical stir conveyer comprises the transmission shaft that connects described front end cover and described rear side housing, and the motor that is connected with described transmission shaft;
It is characterized in that:
Described transmission shaft is provided with right-handed screw sheet and antispin sheet, and the direction of transfer of described right-handed screw sheet and described antispin sheet is opposite;
The initiating terminal of described right-handed screw sheet is arranged on the described cooling Cang Wuliaochukouchu of a distance end far away, and the initiating terminal of described antispin sheet then is arranged on the end near described cooling Cang Wuliaochukouchu;
Along the transmission direction of described transmission shaft, the terminal of the terminal of described right-handed screw sheet and described antispin sheet all is positioned at the top of described cooling storehouse material outlet.
2. cooling mechanism according to claim 1 is characterized in that: along the transmission direction of described transmission shaft, be provided with between the terminal of the terminal of described right-handed screw sheet and described antispin sheet at interval.
3. cooling mechanism according to claim 2 is characterized in that: described interval is less than or equal to the size of described cooling storehouse material outlet.
4. according to claim 1 or 3 described cooling mechanisms, it is characterized in that: the pitch of described antispin sheet is less than the size of described cooling storehouse material outlet.
5. according to claim 1 or 2 or 3 arbitrary described cooling mechanisms, it is characterized in that the pitch of described right-handed screw sheet is greater than the pitch of described antispin sheet.
6. according to the arbitrary described cooling mechanism of claim 1-3, it is characterized in that: described cooling air ventilation inlet is arranged on the described front end cover.
7. cooling mechanism according to claim 6 is characterized in that: the place is provided with filter screen at described cooling air ventilation inlet, and the aperture of described filter screen is less than the particle diameter of the material of required cooling.
8. according to claim 1 or 2 or 3 or 7 described cooling mechanisms, it is characterized in that: described cooling air air outlet is arranged on top, described cooling storehouse.
9. cooling mechanism according to claim 8 is characterized in that, the place is provided with dust arrester installation at described cooling air air outlet, and the top of described dust arrester installation is provided with air outlet valve, and described air outlet valve is connected with induced draft fan.
10. cooling mechanism according to claim 9 is characterized in that: described cooling Cang Wuliaorukouchu is provided with inlet valve, and described cooling Cang Wuliaochukouchu is provided with bleeder valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010134316 CN101780880A (en) | 2010-03-29 | 2010-03-29 | Cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010134316 CN101780880A (en) | 2010-03-29 | 2010-03-29 | Cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101780880A true CN101780880A (en) | 2010-07-21 |
Family
ID=42521057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010134316 Pending CN101780880A (en) | 2010-03-29 | 2010-03-29 | Cooling device |
Country Status (1)
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| CN (1) | CN101780880A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103571744A (en) * | 2013-11-07 | 2014-02-12 | 重庆良酩科技发展有限公司 | High-temperature-sterilization solid material cooling and inoculating device |
| CN105221444A (en) * | 2015-10-31 | 2016-01-06 | 重庆渝牛食品有限公司 | For the pump of syrup delivery |
| CN106144446A (en) * | 2016-09-21 | 2016-11-23 | 吉林烟草工业有限责任公司 | A kind of conveying worm |
| CN108294350A (en) * | 2018-01-24 | 2018-07-20 | 苏州尚梵斯科技有限公司 | A kind of air-cooled water replanishing device of high temperature prepared food and its technique |
| CN109420548A (en) * | 2017-08-30 | 2019-03-05 | 黑龙江如柏科技有限公司 | Helix transporting device and disintegrating apparatus with dedusting function |
| CN113180258A (en) * | 2021-04-30 | 2021-07-30 | 河南农业大学 | Small-particle-size rhizome crop dry cleaning system for washing soil with soil |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103571744A (en) * | 2013-11-07 | 2014-02-12 | 重庆良酩科技发展有限公司 | High-temperature-sterilization solid material cooling and inoculating device |
| CN103571744B (en) * | 2013-11-07 | 2016-01-13 | 重庆良酩科技发展有限公司 | A kind of high-temperature sterilization solid substances cooling, classification inoculation apparatus |
| CN105221444A (en) * | 2015-10-31 | 2016-01-06 | 重庆渝牛食品有限公司 | For the pump of syrup delivery |
| CN106144446A (en) * | 2016-09-21 | 2016-11-23 | 吉林烟草工业有限责任公司 | A kind of conveying worm |
| CN109420548A (en) * | 2017-08-30 | 2019-03-05 | 黑龙江如柏科技有限公司 | Helix transporting device and disintegrating apparatus with dedusting function |
| CN109420548B (en) * | 2017-08-30 | 2024-03-22 | 黑龙江如柏科技有限公司 | Spiral conveying device with dust removal function and crushing equipment |
| CN108294350A (en) * | 2018-01-24 | 2018-07-20 | 苏州尚梵斯科技有限公司 | A kind of air-cooled water replanishing device of high temperature prepared food and its technique |
| CN113180258A (en) * | 2021-04-30 | 2021-07-30 | 河南农业大学 | Small-particle-size rhizome crop dry cleaning system for washing soil with soil |
| CN113180258B (en) * | 2021-04-30 | 2022-11-22 | 河南农业大学 | Small-particle-size rhizome crop dry cleaning system for washing soil with soil |
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Application publication date: 20100721 |