CN204329622U - A kind of roller kilns automatic feeding system - Google Patents
A kind of roller kilns automatic feeding system Download PDFInfo
- Publication number
- CN204329622U CN204329622U CN201420712457.0U CN201420712457U CN204329622U CN 204329622 U CN204329622 U CN 204329622U CN 201420712457 U CN201420712457 U CN 201420712457U CN 204329622 U CN204329622 U CN 204329622U
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- CN
- China
- Prior art keywords
- weighing
- roller kilns
- hopper
- steelframe
- butterfly valve
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model is a kind of roller kilns automatic feeding system.A steelframe above the automatic rotary line of roller kilns import side, steelframe is installed large hopper, under three journal stirrups of large hopper, three weighing units being housed respectively is fixed on steelframe, the weighing spiral of variable ratio frequency changer speed governing is equipped with in the lower outlet of large hopper, butterfly valve is equipped with at weighing spiral outlet place, large hopper, weighing unit, weighing spiral, butterfly valve and weighing control system form metering weighing system jointly, are combined in roller kilns automatic control system.Install little hopper below weighing spiral outlet, under little hopper, butterfly valve is housed, the charge of a crucible once deposited by little hopper.Install synchronous cylinder in the front of automatic rotary line, connect the pressing plate of a band four paws under cylinder push-rod, synchronous cylinder and finger clamp are arranged on steelframe.Adopt native system, reach the requirements that roller kilns crucible automatic charge is dried, easy and simple to handle, weighing precision is high, improves roller kilns integrated automation level.
Description
Technical field
The utility model relates in powder drying field the automatic feeding system of the roller kilns material drying adopting band automatic rotary line.
Background technology
In chemical industry, electronics, metallurgy, building materials, rare earth and lithium electricity raw material are produced, many products are all dry solid, powderies, and mostly its semi-finished product are the wet stock containing certain quantity of fluid, need to obtain product by drying.The method that powder is dried is a lot, and one of them uses roller kilns to carry out material drying.Roller kilns length is generally 50 meters to 100 meters, wet stock is loaded in crucible, is placed on supporting plate, sends in roller kilns, by the process of intensification, oven dry, cooling, cooling (kiln is outer), obtains the product of needs drying.Roller kilns are built with electrical bar, upper and lower horizontally disposed, guarantee that section has a narrow range of temperature.Kiln temperature can reach 1400 DEG C, adopts PID intelligence instrument to control in conjunction with actuator, regulate sensitive, precision is high, variations in temperature can be controlled in ± 3 DEG C within.Roller kilns are furnished with automatic rotary line, adopt electro-optical system to complete the cyclic process in the inside and outside conveying of roller kilns, oven dry, cooling of crucible and product in conjunction with 90 ° of steering boxs.
Automatic feeding device on current domestic roller kilns automatic rotary line is few.Subject matter is when wet stock falls into the crucible of below because of gravity after automatic weighing, be not effectively controlled because automatic weighing is inaccurate and overproof, collapse material phenomenon, there will be wet stock to overfill, spread the situation that material occurs to leak outside crucible, cause waste, increase production cost, reduce yield rate; And after wet stock loads crucible smoothly, because the angle of repose of material self can go out the same heap point phenomenon of phenomenon hillside at upper surface, when wet stock enters roller kilns oven dry along with automatic rotary line in crucible, because wet stock is uneven in crucible, middle high place there will be the phenomenon of not saturating, the sugared heart of oven dry, badly influences product quality and output.The problem of the leakage material existed when therefore solving roller kilns auto feed, heap point, the sugared heart, is the Quality and yield improving product, improves roller kilns automatization level, improve the key issue of workman's working condition.
Summary of the invention
In order to solve Problems existing in roller kilns auto feed, the utility model discloses a kind of roller kilns automatic feeding system, as shown in Figure 2, Figure 3, Figure 4.
The technical solution of the utility model is as follows:
On the steelframe arranged above the automatic rotary line of roller kilns import side, install large hopper, under the journal stirrup of large hopper, correspondence is evenly provided with multiple weighing unit, and is fixed on steelframe, the weighing spiral of variable ratio frequency changer speed governing is equipped with in the lower outlet of large hopper, and butterfly valve is equipped with at weighing spiral outlet place; Large hopper, weighing unit, weighing spiral, butterfly valve and weighing control system form metering weighing system jointly, and are combined in roller kilns automatic control system.Below weighing spiral outlet, correspondence is provided with little hopper, and little hopper is arranged with butterfly valve, and the charge of a crucible once deposited by little hopper.Install synchronous cylinder in the front of automatic rotary line, connect finger clamp under cylinder push-rod, synchronous cylinder and finger clamp are arranged on steelframe.
The utility model weighing spiral outlet installs butterfly valve additional, ensure that weighing precision.Little hopper is set, makes weighing and separately carry out to crucible is reinforced, shortening the time that crucible is reinforced, avoid the problem occurring to leak material.Synchronous finger clamp is set, efficiently solves and to pile point, the sugared heart after crucible feeds in raw material, dry not saturating problem.
The utility model has installed weighing spiral outlet butterfly valve additional on original roller kilns automatic feeding system (see Fig. 1) basis, the weight caused when can effectively prevent weighing spiral from collapsing material is overproof, guarantee weighing system accurate measurement, weighing precision is not more than ± and 3 ‰.Below weighing spiral outlet, installed the little hopper of band butterfly valve additional, make weighing and can separately carry out to crucible is reinforced, substantially reducing the time that crucible is reinforced, even if crucible along with turning spur slowly advance in reinforced, also can not to there is the problem of leaking material again.Steelframe has installed additional the synchronous cylinder of band pressing plate, while crucible is reinforced, has been positioned at the synchronous cylinder action above the station of 2, turning spur front, band dynamic pressure plate is descending, and the rear heap point formed reinforced in crucible is flattened; Understood real in order to the wet stock solved in crucible flattens centre afterwards, still dry the problem thoroughly not producing the sugared heart, 4 round steel rods of burn-oning under pressing plate do pawl, when pressing plate descending heap point flatten while, 4 pawls under pressing plate also insert in wet stock, when synchronous cylinder is up, in crucible, in the middle of wet stock plane, also leave 4 passages, thus effectively solve the problem of bank point, the sugared heart in crucible.
Accompanying drawing explanation
The former roller kilns automatic feeding system diagram of Fig. 1;
Fig. 2 the utility model roller kilns automatic feeding system illustrates;
Fig. 3 the utility model roller kilns automatic feeding system cross-section illustration;
Fig. 4 the utility model roller kilns automatic feeding system B enlarged icon.
Detailed description of the invention
According to the roller kilns automatic feeding system shown in Fig. 2, Fig. 3 and Fig. 4, a steelframe 1 above the automatic rotary line 6 of roller kilns 11 import side, steelframe is installed large hopper 2, under three journal stirrups of large hopper, three weighing units 3 being housed respectively is fixed on steelframe, the weighing spiral 4 of variable ratio frequency changer speed governing is equipped with in the lower outlet of large hopper, butterfly valve 7 is equipped with at weighing spiral outlet place, large hopper, weighing unit, weighing spiral, butterfly valve and weighing control system form metering weighing system jointly, are combined in roller kilns automatic control system.Install little hopper 8 below weighing spiral outlet, butterfly valve 7 is housed under little hopper, the charge of a crucible 5 once deposited by little hopper.Install synchronous cylinder 10 in the front of automatic rotary line, connect the pressing plate 9 of a band four paws under cylinder push-rod, synchronous cylinder and finger clamp are arranged on steelframe.
Concrete operation method is as follows:
Implement operating mode: wet stock is loaded in large hopper
Operating temperature: normal temperature
Wet stock liquid content: some
Crucible dead size (assuming that): 300 × 300 × 120mm
Wet stock height: 100mm in crucible
Crucible charge capacity: about 0.009m
3
Wet stock proportion (assuming that): 800kg/m
3
Crucible charge amount: 7.2kg
Weighing precision :≤± 3 ‰
After roller kilns are driven, automatic feeding system first carries out self-inspection, confirms that large hopper has loaded the wet stock of needs oven dry; The action of weighing spiral outlet butterfly valve is normal; The action of little hopper exit butterfly valve is normal; Synchronous cylinder action is normal.Input weighing feeding quantity (7.2kg), the high and low material level of large hopper is reported to the police, and the overproof warning of weighing, each data show in real time, and equipment running status all shows on the computer screen, can monitor automatic feeding system.
After receiving the instruction that roller kilns automatic control system starts to feed in raw material, metering weighing system resets, start the weighing spiral under large hopper, open exit butterfly valve, fast wet stock is put into the little hopper of below, when blowing amount reaches 85% of setting value, weighing spiral slows down under the control of frequency converter, become slow blowing, stop blowing when arriving setting value (7.2kg), weighing spiral outlet butterfly valve cuts out simultaneously; Weighing unit AUTOMATIC STATIC weighing goes out blowing amount, makes and records and it can be used as second zero point.The metering weighing system be made up of large hopper, weighing unit, weighing spiral, butterfly valve and weighing control system is Weightlessness balance, and calibrates the value of dynamic weighing by static weighing, and weighing precision is very high.When the crucible of feeding slowly is come immediately below small powder bucket along with the advance of automatic rotary line, photoelectric switching signal makes little hopper exit butterfly valve open, and moment adds wet stock (7.2kg) good for scale in crucible.Complete after feeding in raw material, little hopper exit butterfly valve is closed, and sends the signal that can restart blowing to weighing spiral, gets the feeding quantity (7.2kg) that next crucible needs ready, again feeds in raw material after the crucible of next station arrives.While little hopper exit butterfly valve is opened, be contained in synchronous cylinder action steelframe is positioned at above the station of 2, turning spur front, cylinder push-rod band dynamic pressure plate is descending, and the heap point formed after reinforced in crucible is flattened; 4 round steel pawls under pressing plate, also insert in wet stock simultaneously, when synchronous cylinder is up, also leave 4 passages in crucible in the middle of wet stock plane, the material be compacted in the middle of crucible also can be dried very soon.So move in circles, roller kilns automatic feeding system just fullys meet the requirement of roller kilns auto feed, the problem of the leakage material existed when having satisfactorily resolved original roller kilns auto feed, heap point, the sugared heart.
By adopting roller kilns automatic feeding system of the present utility model and method, reach the requirements that roller kilns crucible automatic charge is dried, easy and simple to handle, weighing precision is high, and automaticity is high, alleviates the labour intensity of workman, avoid the infringement of high-temperature operation to workman's health, cost is low, improves output and the product quality of roller kilns, also substantially increases the integrated automation level of roller kilns.
Claims (2)
1. a roller kilns automatic feeding system, it is characterized in that on the steelframe that arranges above the automatic rotary line of roller kilns import side, large hopper is installed, under the journal stirrup of large hopper, correspondence is evenly provided with multiple weighing unit, and be installed on steelframe, the weighing spiral of variable ratio frequency changer speed governing is equipped with in the lower outlet of large hopper, butterfly valve is equipped with at weighing spiral outlet place, large hopper, weighing unit, weighing spiral, butterfly valve and weighing control system form metering weighing system jointly, and are combined in roller kilns automatic control system; Below weighing spiral outlet, correspondence is provided with little hopper, and little hopper is arranged with butterfly valve, and the charge of a crucible once deposited by little hopper; Install synchronous cylinder in the front of automatic rotary line, connect finger clamp under cylinder push-rod, synchronous cylinder and finger clamp are arranged on steelframe.
2. the system as claimed in claim 1, under it is characterized in that the journal stirrup of large hopper, correspondence is evenly provided with 3 weighing units.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420712457.0U CN204329622U (en) | 2014-11-24 | 2014-11-24 | A kind of roller kilns automatic feeding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420712457.0U CN204329622U (en) | 2014-11-24 | 2014-11-24 | A kind of roller kilns automatic feeding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204329622U true CN204329622U (en) | 2015-05-13 |
Family
ID=53165973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420712457.0U Withdrawn - After Issue CN204329622U (en) | 2014-11-24 | 2014-11-24 | A kind of roller kilns automatic feeding system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204329622U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390464A (en) * | 2014-11-24 | 2015-03-04 | 天津市化工设计院 | Automatic feeding system of roller kiln |
| CN105292531A (en) * | 2015-11-06 | 2016-02-03 | 苏州汉腾自动化设备有限公司 | Powder loading machine |
-
2014
- 2014-11-24 CN CN201420712457.0U patent/CN204329622U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390464A (en) * | 2014-11-24 | 2015-03-04 | 天津市化工设计院 | Automatic feeding system of roller kiln |
| CN104390464B (en) * | 2014-11-24 | 2016-09-28 | 天津市化工设计院 | A kind of roller kilns automatic feeding system |
| CN105292531A (en) * | 2015-11-06 | 2016-02-03 | 苏州汉腾自动化设备有限公司 | Powder loading machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150513 Effective date of abandoning: 20160928 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |