CN116969132B - Online metering method and system for total output amount of pretreated impurities - Google Patents
Online metering method and system for total output amount of pretreated impurities Download PDFInfo
- Publication number
- CN116969132B CN116969132B CN202311045182.XA CN202311045182A CN116969132B CN 116969132 B CN116969132 B CN 116969132B CN 202311045182 A CN202311045182 A CN 202311045182A CN 116969132 B CN116969132 B CN 116969132B
- Authority
- CN
- China
- Prior art keywords
- weighing
- screw conveyor
- amount
- impurity
- pretreated
- Prior art date
- 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.)
- Active
Links
- 239000012535 impurity Substances 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000005303 weighing Methods 0.000 claims abstract description 58
- 238000004364 calculation method Methods 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 6
- 238000003860 storage Methods 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 9
- 239000010813 municipal solid waste Substances 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 5
- 238000007405 data analysis Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 238000009270 solid waste treatment Methods 0.000 abstract description 4
- 230000002354 daily effect Effects 0.000 description 11
- 230000003068 static effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- 230000007723 transport mechanism Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000003225 biodiesel Substances 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- -1 electric power Substances 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000010794 food waste Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010806 kitchen waste Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000003895 organic fertilizer Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/08—Screw or rotary spiral conveyors for fluent solid materials
- B65G33/14—Screw or rotary spiral conveyors for fluent solid materials comprising a screw or screws enclosed in a tubular housing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
- G01G3/12—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides an online metering method and system for the output total amount of pretreated impurities, which are applied to the technical field of organic solid waste treatment, wherein a measured value of a material is obtained through a weighing sensor, an estimated value is obtained according to a calculation formula, and the estimated value is corrected according to influence factors to obtain the total amount M Z, and the online metering method comprises the following steps: the measured initial weight value M C of the screw conveyor; weighing the screw conveyor at intervals to obtain a current weight value M TN; calculating the total conveying quantity M N in unit time according to the weighing times P in unit time; calculating daily transport weight M 0 according to the daily working time; measuring standard impurity amount M D; the daily transport weight M 0 and the standard impurity amount M D were compared, and the result was corrected according to the influence factor. The impurity output total amount can be measured on line for many times in the normal operation process of the production line, the production line is not required to be closed, and the production efficiency can be effectively improved.
Description
Technical Field
The invention belongs to the technical field of organic solid waste treatment, and particularly relates to an online metering method and system for total output amount of pretreated impurities.
Background
The organic solid waste treatment means that organic solid waste such as food waste, kitchen waste, excrement and animal solid waste is subjected to harmless treatment and resource utilization by a plurality of physical, chemical and biological methods, so that the pollution to the environment is reduced, even waste is turned into wealth, and a series of resource products such as biodiesel, electric power, organic fertilizer and the like are finally produced.
The pretreatment impurity sorting efficiency is an important recycling index, however, the metering of the recycling utilization rate has a difficult problem, namely how much impurity is effectively sorted out in the pretreatment link.
The existing organic solid waste treatment process is characterized in that after garbage treatment is carried out through a garbage treatment device, impurity waste is transported to a storage bin through an impurity transport mechanism, the impurity weight is weighed through a sensor installed on the storage bin, the static weighing mode can only be carried out under the condition that a production line is closed, the production line is required to be closed during weighing, the production efficiency is affected, the production line is frequently closed or opened, equipment is easy to damage, the service life is prolonged, static measurement is carried out on the storage bin, the use of a large-scale production line is not facilitated, and the range requirement on the sensor is high.
Disclosure of Invention
In view of the problems in the prior art, the invention aims to provide an online metering method for the total output amount of the pretreated impurities, which can perform online metering on the total output amount of the impurities for a plurality of times in the normal operation process of a production line, monitor the impurity sorting condition, and can effectively improve the production efficiency without closing the production line.
The online metering method for the total output amount of the pretreated impurities obtains a measured value of a material through a weighing sensor, obtains an estimated value according to a calculation formula, and corrects the estimated value according to influence factors to obtain the total impurity amount M Z, and specifically comprises the following steps:
weighing the screw conveyor through a weighing sensor to obtain an initial weight value M C;
the screw conveyor is weighed at intervals through a weighing sensor to obtain a current weight value M TN, and the transported weight of the screw conveyor at the current moment is M TN-MC;
Calculating the weighing times P of the screw conveyor in unit time;
Calculating the total conveying amount M N, namely M N＝(MT1-MC)+(MT2-MC)+....+(MTP-MC, of the screw conveyor in unit time;
According to the daily working time, calculating the daily transport weight M 0, namely M 0＝M1+M2+...+MH-1+MH.A, and calculating the time less than the unit time according to the proportion A;
Weighing the daily treatment impurity amount in the storage bin to obtain a standard impurity amount M D;
The daily transport weight M 0 and the standard impurity amount M D are compared, and the measurement result is corrected by data analysis to obtain the total impurity amount M Z＝M0 K, wherein K is a correction coefficient.
Preferably, the screw conveyor comprises a feed inlet and a discharge outlet, the screw conveyor frame is arranged on a section bar platform, and at least one weighing sensor is arranged on the section bar platform.
Preferably, the bottom of section bar platform is rectangular structure, weighing sensor is provided with four, is located the corner of section bar platform bottom respectively, and four weighing sensor's position is the same apart from the distance of section bar platform bottom center department.
Preferably, the unit time is 1 hour, and the calculation formula of the weighing times P per hour is P=3600/T, and T=60L/SN, wherein T is the interval time of two adjacent weighing times, and the unit is seconds; l is the distance from the feed inlet to the discharge outlet of the screw conveyor, and the unit is meter; s is a screw pitch, and the unit is meter; n is the spiral rotating speed, and the unit is r/min.
The invention further provides an online metering system for the total output amount of the pretreated impurities, which is used for realizing the online metering method for the total output amount of the pretreated impurities, and comprises a garbage treatment device, an impurity transportation mechanism and a storage bin, wherein at least one weighing sensor is arranged on the impurity transportation mechanism, the weighing sensor is connected with a main control device, and the main control device is used for receiving data measured by the weighing sensor 3 and correcting the data.
Preferably, the impurity transport mechanism comprises a section bar platform, the weighing sensor is arranged on the section bar platform, a screw conveyer provided with a feed inlet and a discharge outlet is erected on the section bar platform, the feed inlet is communicated with a discharge outlet of the garbage treatment device, and the discharge outlet is connected with the storage bin.
The beneficial effects of the invention are as follows: compared with the method for carrying out static weighing through a bin, the method and the system for online metering the total output amount of the pretreated impurities can carry out online metering on the total output amount of the impurities for many times in the normal operation process of the production line, monitor the impurity sorting condition, do not need to close the production line, and can effectively improve the production efficiency; in addition, the on-line weighing can avoid frequent closing and starting of the production line, can effectively reduce damage to production line equipment, and is beneficial to prolonging the service life of the equipment; and the range requirement of the weighing sensor is lower, the whole bin is not required to be weighed, the overhaul is convenient, and the weighing cost is saved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a block diagram of the structure of the present invention;
Fig. 2 is a schematic structural view of the impurity transporting mechanism of the present invention.
Marked in the figure as: 1. a screw conveyor; 101. a feed inlet; 102. a discharge port; 2. a section bar platform; 3. a load cell.
Detailed Description
Example 1
An online metering method for the total output amount of the pretreated impurities is provided, wherein a measured value of a material is obtained through a weighing sensor 3, an estimated value is obtained according to a calculation formula, and the estimated value is corrected according to influence factors, so that the total impurity amount M Z is obtained.
Firstly, the positions and the number of the weighing sensors 3 are required to be determined according to factors such as the structure of the profile platform 2, so that the gravity distribution uniformity of each weighing sensor 3 is ensured, and the accuracy of measurement is improved.
As shown in fig. 2, in a specific embodiment, the screw conveyor 1 includes a feed inlet 101 and a discharge outlet 102, the screw conveyor 1 is erected on the profile platform 2, and since the bottom of the profile platform 2 is in a rectangular structure, four weighing sensors 3 are disposed at corners of the bottom of the profile platform 2, and the distances between the positions of the four weighing sensors 3 and the center of the bottom of the profile platform 2 are the same.
The online metering method for the total output amount of the pretreated impurities specifically comprises the following steps:
weighing the screw conveyor 1 through a weighing sensor 3 to obtain an initial weight value M C; under the normal state, after the operation of the screw conveyor 1 is stopped every day, the weighing display quantity value is 0, namely M C =0, and when residues exist in the screw conveyor 1, the weighing display quantity value is M C.
The screw conveyor 1 is weighed at intervals through the weighing sensor 3 to obtain a current weight value M TN, and the transported weight of the screw conveyor 1 at the current moment is M TN-MC.
Calculating the weighing times P of the screw conveyor 1 in unit time; in a specific embodiment, the unit time can be set to be 1 hour, and the calculation formula of the weighing times P per hour is p=3600/T, and t=60L/SN, where T is the interval time between two adjacent weighing times, and the unit is seconds; l is the distance between a feed inlet 101 and a discharge outlet 102 of the screw conveyor, and the unit is meter; s is a screw pitch, and the unit is meter; n is the spiral rotating speed, and the unit is r/min.
The total conveying amount M N, that is, M N＝(MT1-MC)+(MT2-MC)+....+(MTP-MC, per unit time of the screw conveyor 1 is calculated.
Calculating the daily transport weight M 0, namely M 0＝M1+M2+...+MH-1+MH.A according to the daily working time; less than an entire hour of the daily operating period H, and calculated proportionally, for example, the daily operating period H is 8.8 hours, M 0＝M1+M2+...M8+M9.0.8.
And weighing the daily impurity treatment amount in the storage bin to obtain the standard impurity amount M D.
The daily transport weight M 0 and the standard impurity amount M D are compared, and the measurement result is corrected by data analysis to obtain the total impurity amount M Z＝M0 K, wherein K is a correction coefficient.
As shown in fig. 2, due to the problem of the height of the front and rear devices, the screw conveyor 1 is inclined, so that the rolling phenomenon of the materials is unavoidable during the process of conveying the materials, thereby causing the phenomenon of repeated weighing.
As shown in table 1, a part of the parameter record table in the correction process is shown.
TABLE 1
The standard impurity amount M D can be measured through a pressure sensor on an existing storage bin, M D1 is obtained by measuring once before the production line is started, M D2 is obtained by measuring once after the day work is finished, and then the standard impurity amount M D＝MD2-MD1 is obtained.
By comparing the mass ratio between the daily transport weight M 0 and the standard impurity amount M D, the correction coefficient K is about 0.763 through data analysis and calculation.
Example two
As shown in fig. 1, a second aspect of the present invention is to provide an online metering system for total output of pretreated impurities, which is used for implementing the online metering method for total output of pretreated impurities, and the online metering system comprises a garbage disposal device, an impurity transportation mechanism and a storage bin, wherein at least one weighing sensor 3 is installed on the impurity transportation mechanism, the weighing sensor 3 is connected with a main control device, and the main control device is used for receiving data measured by the weighing sensor 3 and correcting the data.
As shown in fig. 2, the impurity transporting mechanism comprises a section bar platform 2, the weighing sensor 3 is mounted on the section bar platform 2, a screw conveyor 1 provided with a feeding port 101 and a discharging port 102 is erected on the section bar platform 2, the feeding port 101 is communicated with a discharging port of the garbage disposal device, and the discharging port 102 is connected with a storage bin.
The foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The online metering method of the total output amount of the pretreated impurities is characterized in that a measured value of a material is obtained through a weighing sensor (3), an estimated value is obtained according to a calculation formula, and the estimated value is corrected according to influence factors, so that the total amount M Z of the impurities is obtained, and the online metering method specifically comprises the following steps:
Weighing the screw conveyor (1) through a weighing sensor (3) to obtain an initial weight value M C;
The screw conveyor (1) is weighed at intervals through a weighing sensor (3) to obtain a current weight value M TN, and the transported weight of the screw conveyor (1) at the current moment is M TN-MC;
Calculating the weighing times P of the screw conveyor (1) in unit time; the unit time is 1 hour, the calculation formula of the weighing times P per hour is P=3600/T, and T=60L/SN, wherein T is the interval time of two adjacent times of weighing, and the unit is seconds; l is the distance from a feed inlet (101) to a discharge outlet (102) of the screw conveyor, and the unit is meter; s is a screw pitch, and the unit is meter; n is the spiral rotating speed, and the unit is r/min;
Calculating the total conveying amount M N, namely M N＝(MT1-MC)+(MT2-MC)+....+(MTP-MC, of the spiral conveyor (1) in unit time;
According to the daily working time, calculating the daily transport weight M 0, namely M 0＝M1+M2+...+MH-1+MH.A, and calculating the time less than the unit time according to the proportion A;
Weighing the daily treatment impurity amount in the storage bin to obtain a standard impurity amount M D;
The daily transport weight M 0 and the standard impurity amount M D are compared, and the measurement result is corrected by data analysis to obtain the total impurity amount M z＝M0 K, wherein K is a correction coefficient.
2. The on-line metering method for the total output amount of the pretreated impurities according to claim 1, wherein the screw conveyor (1) comprises a feed inlet (101) and a discharge outlet (102), the screw conveyor (1) is erected on a profile platform (2), and at least one weighing sensor (3) is arranged on the profile platform (2).
3. The online metering method of the total output amount of the pretreated impurities according to claim 2, wherein the bottom of the profile platform (2) is of a rectangular structure, four weighing sensors (3) are respectively arranged at corners of the bottom of the profile platform (2), and the distances between the positions of the four weighing sensors (3) and the center of the bottom of the profile platform (2) are the same.
4. An online metering system for the total output amount of pretreated impurities, which is used for realizing the online metering method for the total output amount of pretreated impurities according to any one of claims 1 to 3, and comprises a garbage treatment device, an impurity transportation mechanism and a storage bin, wherein at least one weighing sensor (3) is arranged on the impurity transportation mechanism, the weighing sensor (3) is connected with a main control device, and the main control device is used for receiving data measured by the weighing sensor (3) and correcting the data.
5. The on-line metering system for total output amount of pretreated impurities according to claim 4, wherein said impurity transporting mechanism comprises a profile platform (2), said weighing sensor (3) is mounted on said profile platform (2), said profile platform (2) is provided with a screw conveyor (1) provided with a feeding port (101) and a discharging port (102), said feeding port (101) is communicated with a discharging port of a garbage disposal device, and said discharging port (102) is connected with a storage bin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311045182.XA CN116969132B (en) | 2023-08-17 | 2023-08-17 | Online metering method and system for total output amount of pretreated impurities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311045182.XA CN116969132B (en) | 2023-08-17 | 2023-08-17 | Online metering method and system for total output amount of pretreated impurities |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116969132A CN116969132A (en) | 2023-10-31 |
| CN116969132B true CN116969132B (en) | 2024-06-04 |
Family
ID=88473054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311045182.XA Active CN116969132B (en) | 2023-08-17 | 2023-08-17 | Online metering method and system for total output amount of pretreated impurities |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116969132B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2069552U (en) * | 1989-08-27 | 1991-01-16 | 陈文生 | Capacitance type helix electronic metrical device |
| CN1645068A (en) * | 2005-01-28 | 2005-07-27 | 武汉科技大学 | Dynamic metering device of powdery material |
| CN204489856U (en) * | 2015-02-07 | 2015-07-22 | 山东金钊建材设备有限公司 | A kind of weighing spiral feeder |
| CN106706106A (en) * | 2016-11-15 | 2017-05-24 | 湖南海翼电子商务股份有限公司 | Weighing correction method, weighing correction system and weighing device |
| CN206378191U (en) * | 2016-11-25 | 2017-08-04 | 内蒙古大唐国际托克托发电有限责任公司 | A kind of Novel waistband scale automatic check device in kind |
| CN107032063A (en) * | 2017-06-23 | 2017-08-11 | 蒋丽芳 | Helix balance |
| JP2018179630A (en) * | 2017-04-07 | 2018-11-15 | ケイミュー株式会社 | Device for measuring weight of screw conveyor and system for measuring weight of screw conveyor having the same |
| CN210802676U (en) * | 2019-07-23 | 2020-06-19 | 安徽华谊化工有限公司 | Weighing feeder calibrating device |
| CN111780849A (en) * | 2020-05-28 | 2020-10-16 | 宁夏京能宁东发电有限责任公司 | Material object calibration method for improving metering precision of coal feeder |
| WO2020233912A1 (en) * | 2019-05-23 | 2020-11-26 | Schenck Process Europe Gmbh | Device for measuring a mass flow and for metering bulk material, and method for metering bulk material |
| CN112537608A (en) * | 2020-11-05 | 2021-03-23 | 中国石油天然气集团有限公司 | Method for measuring weight of drilling cuttings in real time based on spiral conveyor |
| CN112539813A (en) * | 2020-11-05 | 2021-03-23 | 中国石油天然气集团有限公司 | Real-time online measurement method for weight of drilling cuttings |
| CN213422345U (en) * | 2020-11-05 | 2021-06-11 | 中国石油天然气集团有限公司 | Online real-time weighing device of well drilling detritus |
-
2023
- 2023-08-17 CN CN202311045182.XA patent/CN116969132B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2069552U (en) * | 1989-08-27 | 1991-01-16 | 陈文生 | Capacitance type helix electronic metrical device |
| CN1645068A (en) * | 2005-01-28 | 2005-07-27 | 武汉科技大学 | Dynamic metering device of powdery material |
| CN204489856U (en) * | 2015-02-07 | 2015-07-22 | 山东金钊建材设备有限公司 | A kind of weighing spiral feeder |
| CN106706106A (en) * | 2016-11-15 | 2017-05-24 | 湖南海翼电子商务股份有限公司 | Weighing correction method, weighing correction system and weighing device |
| CN206378191U (en) * | 2016-11-25 | 2017-08-04 | 内蒙古大唐国际托克托发电有限责任公司 | A kind of Novel waistband scale automatic check device in kind |
| JP2018179630A (en) * | 2017-04-07 | 2018-11-15 | ケイミュー株式会社 | Device for measuring weight of screw conveyor and system for measuring weight of screw conveyor having the same |
| CN107032063A (en) * | 2017-06-23 | 2017-08-11 | 蒋丽芳 | Helix balance |
| WO2020233912A1 (en) * | 2019-05-23 | 2020-11-26 | Schenck Process Europe Gmbh | Device for measuring a mass flow and for metering bulk material, and method for metering bulk material |
| CN210802676U (en) * | 2019-07-23 | 2020-06-19 | 安徽华谊化工有限公司 | Weighing feeder calibrating device |
| CN111780849A (en) * | 2020-05-28 | 2020-10-16 | 宁夏京能宁东发电有限责任公司 | Material object calibration method for improving metering precision of coal feeder |
| CN112537608A (en) * | 2020-11-05 | 2021-03-23 | 中国石油天然气集团有限公司 | Method for measuring weight of drilling cuttings in real time based on spiral conveyor |
| CN112539813A (en) * | 2020-11-05 | 2021-03-23 | 中国石油天然气集团有限公司 | Real-time online measurement method for weight of drilling cuttings |
| CN213422345U (en) * | 2020-11-05 | 2021-06-11 | 中国石油天然气集团有限公司 | Online real-time weighing device of well drilling detritus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116969132A (en) | 2023-10-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102680069B (en) | Automatic grain delivery management platform based on weighing measurement | |
| CN201413188Y (en) | Multiple-conveyer connection material circulating type multifunctional belt scale automatic check system | |
| CN202657654U (en) | Weighing hopper | |
| CN204831491U (en) | Sectional type high accuracy weigher based on carry model | |
| IL154577A0 (en) | A system for feeding portions of material to an injection molding machine | |
| CN207280581U (en) | Coal metering device more than the charging coke of one kind top | |
| CN116969132B (en) | Online metering method and system for total output amount of pretreated impurities | |
| CN102528960B (en) | Multi-stage formula metering and blanking automatic mixing system | |
| CN107021247A (en) | Automatic weighing system for the tablet raw material that brakes | |
| CN112378500A (en) | Conveying equipment capable of measuring weight of material and implementation method thereof | |
| CN204528554U (en) | Double belt Weighing feeder | |
| CN201436063U (en) | Rubber bits dosing device | |
| CN215247720U (en) | Online real coal inspection belt conveyor system | |
| CN206945111U (en) | A kind of timing charging gear for carrying metering | |
| CN2480815Y (en) | Electronic measuring central controller | |
| CN206087397U (en) | Auxiliary material baling line that uses in rubber production process | |
| CN205898284U (en) | School balance device of high -order balk cargo balance of converter | |
| CN113503944A (en) | Material conveying amount metering device and method | |
| CN2289228Y (en) | High precision solid flow metering installation | |
| CN218251581U (en) | Dynamic weighing code-scanning sorting device | |
| CN219511643U (en) | Weighing device with conveying structure | |
| CN217006023U (en) | Coal-fired separate-bin metering control system | |
| CN213621958U (en) | Automatic quantitative dispensing device of raw materials | |
| CN109879074A (en) | A kind of ceramic raw material static weighing feed system | |
| EP3872460A1 (en) | Fuel feeding system and method for controlling a fuel feeding system as well as use |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |