CN2362675Y - Cement feeder for continuous type cement stirring equipment - Google Patents
Cement feeder for continuous type cement stirring equipment Download PDFInfo
- Publication number
- CN2362675Y CN2362675Y CN 99235646 CN99235646U CN2362675Y CN 2362675 Y CN2362675 Y CN 2362675Y CN 99235646 CN99235646 CN 99235646 CN 99235646 U CN99235646 U CN 99235646U CN 2362675 Y CN2362675 Y CN 2362675Y
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- CN
- China
- Prior art keywords
- cement
- weighing hopper
- buffering bucket
- bin
- hopper
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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.)
- Expired - Fee Related
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- 239000004568 cement Substances 0.000 title claims abstract description 142
- 238000003756 stirring Methods 0.000 title abstract description 5
- 238000005303 weighing Methods 0.000 claims abstract description 60
- 230000003139 buffering effect Effects 0.000 claims abstract description 57
- 238000007599 discharging Methods 0.000 claims description 35
- 230000001737 promoting effect Effects 0.000 claims description 2
- 239000002994 raw material Substances 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000001684 chronic effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The utility model relates to a cement feeder for continuous type cement stirring equipment, which comprises a cement bin and a weighing hopper, etc., wherein, a buffering hopper is arranged between the cement bin and the weighing hopper to cause the cement bin and the weighing hopper to be communicated. Weighing sensors are arranged on surge hopper and the weighing hopper, and the weighing sensor on the surge hopper is connected with an electric control component which is arranged at a discharge port of the cement bin and controls discharge by a circuit, and the weighing sensor on the weighing hopper is connected with a valve of the discharge port of the surge hopper. The cement feeder for continuous type cement stirring equipment causes the moment flow weighing of the cement output from the weighing hopper to be accurate, and the cement feeding precision is ensured to reach to national standard. Thereby, the quality of the cement is raised, and raw materials are economized.
Description
The utility model is the device that uses in a kind of general engineering equipment, the cement supply device in particularly a kind of continous way Cement Concrete mixing plant.
Traditional continous way Cement Concrete mixing plant be continuous with raw materials such as sand, stone, cement with transport tape or promote mode such as spiral and infeed mixer continuously, mixer continuous stirring evenly back is supplied with the required Cement Concrete of various engineerings.For guaranteeing the Cement Concrete quality, national regulation strict raw material ratio requirement.Various for this reason raw materials all need accurately to measure the flow of arbitrary moment and keep stable continuous to supply with, and particularly cement flow requires the tightest.Tradition continous way mixing plant can guarantee sand, rock glacier amount accurate measurement and stable.But cement supply device problem is not resolved, and makes cement flow inaccurate yet instability of metering and fault rate height.Tradition continous way mixing plant cement supply device is directly to infeed weighing hopper by cement bin, weighing hopper is provided with decrement computation weigh sensor, its underpart outlet is provided with feeding screw, utilize the microprocessor sensor-lodging, through overdrive circuit control cement bin lower part outlet valve switch, thereby wish that the cement storage exports revolution speed of screw with the control weighing hopper within the specific limits in the control weighing hopper, reach the cement flow of control continuous stirring.But it is accurately stable that this mode can not guarantee to control automatically cement flow.Because cement amount is very big in the cement bin, cement pumps into air pump, cement contains a large amount of gases in the storehouse, so cement elasticity difference everywhere in the storehouse, density variation is very big, and physical state is very inconsistent, fetches boiling water hopper dredger lower part outlet valve during to the weighing hopper feed when weighing hopper weight reaches lower limit, microprocessor, the cement feeding speed is just very inhomogeneous, and it is very big to beat.And feed is chronic sometimes, causes decrement metering maximum error, and feed is too fast too much again sometimes, and the cement bin valve has little time to close and makes that rubber sleeve breaks on the weighing hopper, and cement overflows, and the powder ash drifts about on a large scale.The cement flow accurate measurement that not only can not guarantee is in a conventional manner supplied with and is stablized, and complete machine fault rate height, and very serious to the surrounding environment pollution, the cement waste is very big, and productivity effect is relatively poor.
The purpose of this utility model is to provide a kind of cement supply device, it can accurately be stablized by its flow continuously to mixer supply cement the time, makes the industrial production requirement that the cement proportion precision satisfies national regulation fully, fault rate is low, productivity effect is high, Cement Concrete is satisfied in pollution less, comprehensively.
The technical solution of the utility model is: whole device includes cement bin, parts such as weighing hopper and valve, it is characterized in that between cement bin and weighing hopper, being provided with a buffering bucket, by buffering bucket cement bin and weighing hopper are communicated with, cement bin, be respectively equipped with charging aperture and discharging opening on buffering bucket and the weighing hopper, the cement bin discharging opening is provided with the electric-controlled parts of control discharging, the buffering bucket discharging opening is provided with valve, on buffering bucket, be provided with general computation weigh sensor, on weighing hopper, be provided with decrement computation weigh sensor, general computation weigh sensor on the buffering bucket is connected with electric-controlled parts on the cement bin discharging opening by control circuit, and the decrement computation weigh sensor on the weighing hopper is connected with valve on the discharging opening of buffering bucket bottom by control circuit.
The utility model is owing to be provided with buffering bucket between cement bin and weighing hopper, and the discharging of the discharging opening of cement bin and buffering bucket is passed through the control circuit FEEDBACK CONTROL by LOAD CELLS on buffering bucket and the weighing hopper respectively, therefore cement must be earlier enters buffering bucket from cement bin and carries out the centre and keep in, physical state high conformity when cement enters weighing hopper like this, degree of tightness is even, admission velocity is stablized soon, cement amount in the weighing hopper can more accurately be measured, the moment flow accurate measurement of weighing hopper output cement, the feed precision that has guaranteed cement is up to state standards, improved the quality of Cement Concrete widely, substantially eliminated environmental pollution, and can economize in raw materials, simultaneously, the running of whole mixing plant is more steady, and the occurrence rate of fault also decreases.
Accompanying drawing 1 is the structural representation of the utility model embodiment 1;
Accompanying drawing 2 is the structural representation of the utility model embodiment 2;
Accompanying drawing 3 is the structural representation of the utility model embodiment 3.
Below in conjunction with drawings and Examples the utility model is described in further detail.
Embodiment 1:
As shown in Figure 1, the utility model is made up of cement bin 1, buffering bucket 2 and weighing hopper 3, the three from top to bottom is cascaded through rubber sleeve successively, it all is hollow container, be respectively equipped with charging aperture and discharging opening up and down, the discharging opening of buffering bucket 2 bottoms is provided with valve 5, and the electric-controlled parts of control discharging speed also is a valve 4 on cement bin 1 discharging opening.
Isolate by the switch realization cement bin 1 of valve 4,5 and the connected sum between buffering bucket 2, buffering bucket 2 and the weighing hopper 3, cement bin 1 lower part outlet place also is provided with standby manually-operated gate 6, valve 6 is in normally open, but wait manual-lock in particular cases in maintenance, blocking-up cement spills, and weighing hopper 3 bottom discharging openings are provided with feeding screw.
General computation weigh sensor 7 and decrement computation weigh sensor 8 are composed in parallel by several respectively, become digital quantity input microprocessor CPU through amplifier by A/D conversion, the microprocessor CPU output connects drive circuit, electromagnetic switch valve successively, pneumatic actuator, be connected with valve 4,5 at last, the power of pneumatic actuator is provided by pressure gas source.The utility model needs pairing buffering bucket 2 internal memory cement bound weight of cement bin 1 bottom discharging opening valve 4 switches and the corresponding weighing hopper 3 internal memory cement bound weight of buffering bucket 2 discharging opening valves, 5 switches to microprocessor CPU to be set respectively in Installation and Debugging, and also having weighing hopper 3 discharging opening cement proportions to require is cement flow.
The utility model in use, it is temporary that cement in the cement bin 1 enters buffering bucket 2 by its discharging opening, the voltage signal that the LOAD CELLS 7 of prescribing a time limit on cement weight reaches and sets value in buffering bucket 2 sends reaches setting value, this signal makes the solenoid directional control valve commutation through microprocessor by drive circuit, pressure gas source enters pneumatic actuator, cement bin 1 discharging opening valve 4 is closed, and cement promptly stops to enter buffering bucket 2; When reaching the lower limit of setting weight, LOAD CELLS 7 voltage signals of buffering bucket 2 make the commutation of electromagnetic switch valve by driver through microprocessor, pressure gas source enters the actuator hopper dredger 1 discharging opening valve 4 of fetching boiling water, replenish cement to buffering bucket 2, so the cement amount all-the-time stable in the buffering bucket 2 within the specific limits.Buffering bucket 2 adopts same principle control to weighing hopper 3 feed: microprocessor was through same stop buffering bucket 2 discharging opening valves 5 when 3 cement weight reached the higher limit of setting in the weighing hopper, buffering bucket 2 is stopped to weighing hopper 3 water supply mud, when feeding screw rotates, through transport tape to the mixer feed, when the cement amount in the weighing hopper 3 drops to the lower limit of setting, the voltage signal that LOAD CELLS 8 sends reaches setting value, this signal is opened buffering bucket 2 discharging opening valves 5 by drive circuit and same program through microprocessor, buffering bucket 2 replenishes cement to weighing hopper 3, so the cement weight in the weighing hopper 3 is maintained within a certain range in the continuous operation process of mixer all the time.
As for weighing hopper 3 discharging openings, the control that feeding screw is sent cement amount is that microprocessor sends signal according to the cement amount variation integration user that the decrement computation weigh sensor 8 that is provided with on the weighing hopper 3 provides automatically to the cement proportion flow value (being cement consumption) of microprocessor setting, goes to control weighing hopper 3 lower part outlet feeding screw rotating speed of motor through the D/A digital-to-analogue conversion by frequency converter and makes the cement flow of weighing hopper 3 outputs guarantee ratio requirement.By in the above-mentioned course of work as can be seen, because the cement amount in buffering bucket 2 and the weighing hopper 3 all is controlled in the weight range of setting automatically, it is temporary that 2 pairs of cement from state labile in the cement bin 1 of buffering bucket carry out the centre, improved the physical state of cement widely, when making cement enter weighing hopper 3 by buffering bucket 2, degree of tightness is even, stability of flow, charging rate is accelerated, and the cement amount in the weighing hopper 3 can more accurately be measured and keep within the specific limits.Therefore, weighing hopper 3 is stability of flow when the mixer feed, the feed precision is higher, improved the quality of Cement Concrete widely, because batching is accurate, stable, has therefore also saved cement, has eliminated environmental pollution substantially, and the running of whole mixing plant is more steady, and the fault occurrence rate of equipment descends thereupon.
Embodiment 2:
As shown in Figure 2, embodiment 2 compares with embodiment 1, on architectural feature, buffering bucket 2 and weighing hopper 3 remain unchanged, in the employing, following mode is cascaded by rubber sleeve, but cement bin 1 is arranged on buffering bucket 2 and weighing hopper 3 next doors are arranged side by side with it, the electric-controlled parts of control discharging is for promoting feeding screw 10 on the cement bin discharging opening, the general computation weigh sensor 7 that promotes on feeding screw 10 and the buffering bucket 2 is connected through control circuit, so promote feeding screw 10 quantity of cement when cement bin 1 is fed to buffering bucket 2 is subjected to the FEEDBACK CONTROL of cement amount the buffering bucket 2, its course of work is identical with embodiment 1.
In order to solve the cement and the very big problem of cement storage of industrial different application need different labels, be set up in parallel the cement bin more than 2 in the utility model, each cement bin is communicated with buffering bucket 2 respectively, can in different cement bins, deposit the cement of different labels like this, can select the cement supply of different labels as required, very convenient.
Embodiment 3:
As shown in Figure 3, cement bin 1 of the present utility model the compages that adopt embodiment 1 and embodiment 2 are set, above buffering bucket 2, be provided with cement bin in, also be set side by side with cement bin on the next door of buffering bucket 2 and weighing hopper 3.
In order to make the utility model when working, cement slows down from the speed that cement bin 1 enters buffering bucket 2, break with the rubber tube that prevents water hopper dredger 1 and buffering bucket 2 junctions, cement overflows contaminated environment, the 3 reinforced times of weighing hopper is shortened, to improve the decrement measuring accuracy of weighing hopper 3, under assurance mixes cement the consumption condition, design the bore of the valve 4 of cement bin 1 bottom less, and design the bore of the valve 5 of buffering bucket 2 bottoms bigger, promptly valve 4 is little than the bore of valve 5.
For making the fully exhaust of cement in the buffering bucket 2, make the cement state more even, also be provided with air vent 9 on the top of buffering bucket 2.
The utility model is applicable to various Cement Concrete mixing plants, also can be used for simultaneously other higher powder of ratio requirement is supplied with.
Claims (7)
1, cement supply device in a kind of continous way Cement Concrete mixing plant, include cement bin 1, parts such as weighing hopper 3 and valve, it is characterized in that between cement bin 1 and weighing hopper 3, being provided with a buffering bucket 2, by buffering bucket 2 cement bin 1 and weighing hopper 3 are communicated with to get up, cement bin 1 discharging opening is provided with the electric-controlled parts of control discharging, buffering bucket 2 discharging openings are provided with valve 5, on buffering bucket 2 and weighing hopper 3, be respectively arranged with general computation weigh sensor 7 and decrement computation weigh sensor 8, general computation weigh sensor 7 on the buffering bucket 2 is connected with electric-controlled parts on cement bin 1 discharging opening by control circuit, and the decrement computation weigh sensor 8 on the weighing hopper 3 is connected with valve 5 on buffering bucket 2 discharging openings by control circuit.
2, the cement supply device in the continous way Cement Concrete mixing plant according to claim 1, it is characterized in that cement bin 1, buffering bucket 2 and weighing hopper 3 threes are cascaded successively from top to bottom, the electric-controlled parts of the control discharging on cement bin 1 discharging opening is a valve 4.
3. the cement supply device in the interconnection system Cement Concrete mixing plant according to claim 1, it is characterized in that buffering bucket 2 and weighing hopper 3 are cascaded up and down, cement bin 1 is arranged on buffering bucket 2 and weighing hopper 3 next doors are arranged side by side with it, and the electric-controlled parts of the control discharging on cement bin 1 discharging opening is for promoting feeding screw 10.
4. the cement supply device in the interconnection system Cement Concrete mixing plant according to claim 3 is characterized in that also being provided with cement bin 1 above buffering bucket 2.
5, the cement supply device in the continuous formula Cement Concrete mixing plant in limit according to claim 3 is characterized in that being provided with cement bin arranged side by side more than 21.
6, the cement supply device in the continous way Cement Concrete mixing plant according to claim 2 is characterized in that the bore of relative aperture buffering bucket 2 discharging opening valves 5 of cement bin 1 discharging opening valve 4 is little.
7, according to the cement supply device in claim 4 or the 5 or 6 described continous way Cement Concrete mixing plants, it is characterized in that being provided with air vent 9 on the top of buffering bucket 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99235646 CN2362675Y (en) | 1999-03-29 | 1999-03-29 | Cement feeder for continuous type cement stirring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99235646 CN2362675Y (en) | 1999-03-29 | 1999-03-29 | Cement feeder for continuous type cement stirring equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2362675Y true CN2362675Y (en) | 2000-02-09 |
Family
ID=34023577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99235646 Expired - Fee Related CN2362675Y (en) | 1999-03-29 | 1999-03-29 | Cement feeder for continuous type cement stirring equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2362675Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100354094C (en) * | 2001-06-20 | 2007-12-12 | 株式会社大林组 | Weighing equipment for concrete material |
| CN100382880C (en) * | 2005-09-09 | 2008-04-23 | 安海 | Loss-in-weight feeders for liquid feeding |
| CN102259390A (en) * | 2011-05-10 | 2011-11-30 | 无锡江加建设机械有限公司 | Mobile mortar mixing plant based on IOT (internet of things) |
| CN106696089A (en) * | 2017-02-24 | 2017-05-24 | 福建信达机械有限公司 | Intelligent feeding device for upper and lower cement hoppers and production method thereof |
| CN107328461A (en) * | 2017-07-10 | 2017-11-07 | 中国建材检验认证集团贵州有限公司 | A kind of high performance concrete experiment metering system and metering method |
| CN108792656A (en) * | 2018-06-29 | 2018-11-13 | 河源市东源鹰牌陶瓷有限公司 | Ceramic mud powder surplus material recovery device and its clout recycling and control method |
| CN109123739A (en) * | 2017-06-28 | 2019-01-04 | 河南神农膨化饲料科技有限公司 | A kind of soybean puffing device and soybean puffing technique |
| CN110411544A (en) * | 2019-08-07 | 2019-11-05 | 安徽维东建材股份有限公司 | A kind of cement batcher |
| CN110843136A (en) * | 2019-12-09 | 2020-02-28 | 长沙润达智能装备有限公司 | Dosing and Conveying System of Micro Additives for Dry Mixed Mortar |
-
1999
- 1999-03-29 CN CN 99235646 patent/CN2362675Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100354094C (en) * | 2001-06-20 | 2007-12-12 | 株式会社大林组 | Weighing equipment for concrete material |
| CN100382880C (en) * | 2005-09-09 | 2008-04-23 | 安海 | Loss-in-weight feeders for liquid feeding |
| CN102259390A (en) * | 2011-05-10 | 2011-11-30 | 无锡江加建设机械有限公司 | Mobile mortar mixing plant based on IOT (internet of things) |
| CN106696089A (en) * | 2017-02-24 | 2017-05-24 | 福建信达机械有限公司 | Intelligent feeding device for upper and lower cement hoppers and production method thereof |
| CN109123739A (en) * | 2017-06-28 | 2019-01-04 | 河南神农膨化饲料科技有限公司 | A kind of soybean puffing device and soybean puffing technique |
| CN109123739B (en) * | 2017-06-28 | 2021-04-02 | 河南神农膨化饲料科技有限公司 | Soybean puffing device and soybean puffing process |
| CN107328461A (en) * | 2017-07-10 | 2017-11-07 | 中国建材检验认证集团贵州有限公司 | A kind of high performance concrete experiment metering system and metering method |
| CN108792656A (en) * | 2018-06-29 | 2018-11-13 | 河源市东源鹰牌陶瓷有限公司 | Ceramic mud powder surplus material recovery device and its clout recycling and control method |
| CN108792656B (en) * | 2018-06-29 | 2023-09-12 | 河源市东源鹰牌陶瓷有限公司 | Ceramic mud powder residue recycling device and residue recycling control method thereof |
| CN110411544A (en) * | 2019-08-07 | 2019-11-05 | 安徽维东建材股份有限公司 | A kind of cement batcher |
| CN110843136A (en) * | 2019-12-09 | 2020-02-28 | 长沙润达智能装备有限公司 | Dosing and Conveying System of Micro Additives for Dry Mixed Mortar |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |