CN216499967U - Cement batching system - Google Patents
Cement batching system Download PDFInfo
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- CN216499967U CN216499967U CN202123177135.XU CN202123177135U CN216499967U CN 216499967 U CN216499967 U CN 216499967U CN 202123177135 U CN202123177135 U CN 202123177135U CN 216499967 U CN216499967 U CN 216499967U
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- grinding aid
- feed inlet
- valve
- discharge hole
- belt
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- 239000004568 cement Substances 0.000 title claims abstract description 26
- 238000003860 storage Methods 0.000 claims abstract description 11
- 239000000428 dust Substances 0.000 claims description 23
- 238000010409 ironing Methods 0.000 claims description 6
- 241001417527 Pempheridae Species 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 239000004615 ingredient Substances 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 230000000875 corresponding effect Effects 0.000 description 4
- 208000028571 Occupational disease Diseases 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a cement batching system, which comprises a grinding aid adding device, a batching device and an automatic control module, wherein the grinding aid adding device, the batching device and the automatic control module are mutually connected and matched; the grinding aid adding device comprises a grinding aid storage tank, a stop valve, a filter, a gear metering pump, a pressure balance valve, a flow measuring unit and an electromagnetic control valve; a discharge hole of the grinding aid storage tank is connected with a feed inlet of a stop valve, a discharge hole of the stop valve is connected with a feed inlet of a filter, a discharge hole of the filter is connected with a feed inlet of a gear metering pump, a discharge hole of the gear metering pump is connected with a feed inlet of a pressure balance valve, a discharge hole of the pressure balance valve is connected with a feed inlet of a flow measuring unit, and a discharge hole of the flow measuring unit is connected with a feed inlet of an electromagnetic control valve; the automatic grinding aid dosing device realizes the full automation of the cement dosing process so as to reduce the labor cost, and has the advantages of high accuracy, high reliability and simple structure so as to effectively avoid the waste of grinding aids and effectively ensure the cement quality.
Description
Technical Field
The utility model relates to a cement batching system.
Background
Because cement production is a continuous process, the prior cement batching system and the prior cement grinding aid adding system can not realize the correlated feeding of feeding amount and grinding aid flow, namely, the point that the grinding aid with corresponding amount is automatically added according to the feeding amount of the batching can not be realized, and the change of the adding amount of the grinding aid along with the change of the feeding amount of the batching can not be realized; in addition, the dust raising treatment and material leakage treatment at the lower part of the cement batching station are always difficult problems of cement plants, a lot of plants still need to consume a large amount of manpower to clean the dust raising and material leakage, and particularly, a lot of dust is generated in the batching station where materials stuck by a return belt of a belt conveyor are brought back along with the running of the belt, so that the environment is polluted, and meanwhile, the harm is also caused to the health of personnel.
In order to solve the problems, two main grinding aid adding modes exist at present, wherein one mode is to manually start grinding aid equipment on site, and the other mode is to remotely start the grinding aid equipment by a central control operator; however, the two modes are manual operation, operators need to watch over for a long time, the labor cost is high, grinding aid waste caused by misoperation is difficult to avoid, the problem of cement quality caused by incorrect addition of the grinding aid cannot be completely avoided, and further improvement is needed.
SUMMERY OF THE UTILITY MODEL
Aiming at the current situation of the prior art, the utility model aims to provide a cement batching system which realizes the full automation of the cement batching process so as to reduce the labor cost, has high accuracy, high reliability and simple structure, effectively avoids grinding aid waste, ensures the cement quality and effectively reduces the occupational disease incidence.
The technical scheme adopted by the utility model for solving the technical problems is as follows: a cement batching system is characterized by comprising a grinding aid adding device, a batching device and an automatic control module which are mutually connected and matched; the grinding aid adding device comprises a grinding aid storage tank, a stop valve, a filter, a gear metering pump, a pressure balance valve, a flow measuring unit and an electromagnetic control valve; the grinding aid storage tank is characterized in that a discharge hole of the grinding aid storage tank is connected with a feed inlet of a stop valve, a discharge hole of the stop valve is connected with a feed inlet of a filter, a discharge hole of the filter is connected with a feed inlet of a gear metering pump, a discharge hole of the gear metering pump is connected with a feed inlet of a pressure balance valve, a discharge hole of the pressure balance valve is connected with a feed inlet of a flow measuring unit, and a discharge hole of the flow measuring unit is connected with a feed inlet of an electromagnetic control valve; proportioning device includes belt weigher, band conveyer, dust collector and de-ironing separator, the belt weigher includes a plurality of, a plurality of the feed inlet of belt weigher all connects in parallel on solenoid electric valve's discharge gate, a plurality of the discharge gate of belt weigher all links to each other with band conveyer through non-standard swift current, the dust collector with band conveyer's top is all located to the de-ironing separator, the de-ironing separator locates the downstream side of dust collector and mutually supports with band conveyer, the air intake and the band conveyer of dust collector mutually support.
Preferably, the discharge port of the electromagnetic control valve is 5cm-8cm higher than the discharge port of each belt scale.
Preferably, a vortex fan sweeper is further arranged below the discharge hole of the belt conveyor.
Preferably, the automatic control module comprises a central control DCS system, a grinding aid device control box and a belt scale control box, and the gear metering pump, the pressure balance valve, the flow measuring unit and the electromagnetic control valve are all connected with the central control DCS system through the grinding aid device control box; and the belt weighers are connected with a central control DCS system through belt weigher control boxes.
Compared with the prior art, the utility model has the advantages that: the grinding aid automatic feeding device can automatically calculate the adding amount of the grinding aid according to the feeding amount of ingredients and finish automatic adding and deviation correction of the grinding aid, further realize full automation of a cement ingredient mixing process to reduce labor cost, has high accuracy, high reliability and a simple structure to effectively avoid grinding aid waste and effectively ensure cement quality, and effectively reduces dust pollution inside an ingredient station by means of a dust collector and a vortex fan cleaner to effectively reduce the incidence of occupational diseases.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a control schematic of the automated control module of the present invention.
Detailed Description
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
To maintain the following description of the embodiments of the present invention clear and concise, a detailed description of known functions and known components of the utility model have been omitted.
As shown in figure 1, the cement batching system comprises a grinding aid adding device, a batching device and an automatic control module which are mutually connected and matched; the grinding aid adding device comprises a grinding aid storage tank 1, a stop valve 2, a filter 3, a gear metering pump 4, a pressure balance valve 5, a flow measuring unit 6 and an electromagnetic control valve 7; the discharge hole of the grinding aid storage tank 1 is connected with the feed inlet of the stop valve 2, the discharge hole of the stop valve 2 is connected with the feed inlet of the filter 3, the discharge hole of the filter 3 is connected with the feed inlet of the gear metering pump 4, the discharge hole of the gear metering pump 4 is connected with the feed inlet of the pressure balance valve 5, the discharge hole of the pressure balance valve 5 is connected with the feed inlet of the flow measuring unit 6, and the discharge hole of the flow measuring unit 6 is connected with the feed inlet of the electromagnetic control valve 7.
To implement the above-described embodiments, the model configuration and specific data range corresponding to each device may be, but are not limited to: flow rate of the gear metering pump: 160-390L/h or 200-230L/h; the power of a variable frequency motor of the gear metering pump is 0.75kW, and the voltage: 380V/3/50 Hz; voltage of flow rate measurement unit: 220V/4-20 mA;
the batching device comprises a belt weigher 8, a belt conveyor 10, a dust collector 11 and an iron remover 12, the belt weigher 8 comprises a plurality of, the feed inlets of the belt weighers 8 are all connected in parallel on the discharge outlets of the electromagnetic control valves 7, the discharge outlets of the belt weighers 8 are all connected with the belt conveyor 10 through non-standard sliders, the dust collector 11 and the iron remover 12 are all arranged above the belt conveyor 10, the iron remover 12 is arranged on the downstream side of the dust collector 11 and is mutually matched with the belt conveyor 10, and the air inlets of the dust collector 11 are mutually matched with the belt conveyor 10.
The discharge port of the electromagnetic control valve 7 is 5cm-8cm higher than the discharge port of each belt scale 8.
A vortex fan sweeper 13 is arranged below the discharge hole of the belt conveyor 10.
To implement the above-described embodiments, the model configuration and specific data range corresponding to each device may be, but are not limited to: feeding capacity of belt scale 8: 35-350 t/h, the bandwidth of the belt weigher is 1.2 m, the motor of the belt weigher is subjected to frequency conversion and speed regulation, and the power is 5.5 kW; the belt width of the belt conveyor 10 is 800mm, the belt speed is 1.6m/s, and the conveying capacity of the belt conveyor 10 is 350t per hour; the treated air volume of the dust collector 11 was 9000m 3/h.
As shown in fig. 2, the automatic control module comprises a central control DCS system 9, a grinding aid device control box and a belt scale control box, wherein a PLC operation program is programmed into the central control DCS system 9; the gear metering pump 4, the pressure balance valve 5, the flow measuring unit 6 and the electromagnetic control valve 7 are all connected with a central control DCS system 9 through a grinding aid device control box; the belt weighers 8 are connected with a central control DCS system 9 through belt weigher control boxes.
The working principle is as follows: the central control DCS system 9 starts a plurality of belt weighers 8 through a belt weigher control box to weigh a certain amount of clinker, the clinker falls onto a belt conveyor 10 through a non-standard scraper-trough conveyer, and the belt conveyor 10 is started to convey the clinker into a cement grinding system; in the process, the dust collector 11 and the iron remover 12 are started, the dust collector 11 can suck dust generated when the clinker falls so as to prevent the pollution to the environment, and the iron remover 12 can remove scrap iron in the clinker by means of magnetic force; and finally, starting the vortex fan sweeper 13 to remove the materials remained on the belt conveyor 10, wherein the starting program is programmed into the central control DCS through a PLC program.
After the belt scale 8 is started, the belt scale control box transmits the weight of the material on the belt scale 8 to the central control DCS system 9, the central control DCS system 9 calculates the grinding aid to be added through a PLC program, then transmits a signal to the grinding aid device control box, the grinding aid device control box transmits the signal to the gear metering pump 4, the pressure balance valve 5, the flow measuring unit 6 and the electromagnetic control valve 7, the grinding aid in the grinding aid storage tank 1 is driven by the gear metering pump 4 to be sequentially conveyed to the flow measuring unit 6 through the stop valve 2, the filter 3 and the pressure balance valve 5 until the amount of the grinding aid reaches the amount calculated by the gear metering pump 6; the flow measuring unit 6 can measure the actual throughput of the grinding aid, then the actual throughput is fed back to the central control DCS system 9 through the grinding aid device control box to be compared and corrected again, the electromagnetic control valve 7 is opened after the flow is correct, the grinding aid is conveyed to the belt scale 8 to enter the belt conveyor together with clinker, the whole process does not need manual operation, automatic calculation, automatic correction, automatic grinding aid addition and automatic feeding are carried out, and unattended operation and intelligent addition are well achieved.
The grinding aid automatic feeding device can automatically calculate the adding amount of the grinding aid according to the feeding amount of ingredients and finish automatic adding and deviation correction of the grinding aid, further realize full automation of a cement ingredient mixing process to reduce labor cost, has high accuracy, high reliability and a simple structure to effectively avoid grinding aid waste and effectively ensure cement quality, and effectively reduces dust pollution inside an ingredient station by means of the dust collector 11 and the vortex fan sweeper 13 to effectively reduce the incidence of occupational diseases.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in the embodiments and modifications thereof may be made, and equivalents may be substituted for elements thereof; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (4)
1. A cement batching system is characterized by comprising a grinding aid adding device, a batching device and an automatic control module which are mutually connected and matched; the grinding aid adding device comprises a grinding aid storage tank, a stop valve, a filter, a gear metering pump, a pressure balance valve, a flow measuring unit and an electromagnetic control valve; the grinding aid storage tank is characterized in that a discharge hole of the grinding aid storage tank is connected with a feed inlet of a stop valve, a discharge hole of the stop valve is connected with a feed inlet of a filter, a discharge hole of the filter is connected with a feed inlet of a gear metering pump, a discharge hole of the gear metering pump is connected with a feed inlet of a pressure balance valve, a discharge hole of the pressure balance valve is connected with a feed inlet of a flow measuring unit, and a discharge hole of the flow measuring unit is connected with a feed inlet of an electromagnetic control valve; proportioning device includes belt weigher, band conveyer, dust collector and de-ironing separator, the belt weigher includes a plurality of, a plurality of the feed inlet of belt weigher all connects in parallel on solenoid electric valve's discharge gate, a plurality of the discharge gate of belt weigher all links to each other with band conveyer through non-standard swift current, the dust collector with band conveyer's top is all located to the de-ironing separator, the de-ironing separator locates the downstream side of dust collector and mutually supports with band conveyer, the air intake and the band conveyer of dust collector mutually support.
2. The cement batching system according to claim 1, wherein the discharge port of the electromagnetic control valve is 5cm-8cm higher than the discharge port of each belt scale.
3. The cement batching system as set forth in claim 2, wherein a vortex fan sweeper is further provided below the discharge port of said belt conveyor.
4. The cement batching system according to claim 3, wherein the automatic control module comprises a central control DCS system, a grinding aid device control box and a belt scale control box, and the gear metering pump, the pressure balancing valve, the flow measuring unit and the electromagnetic control valve are all connected with the central control DCS system through the grinding aid device control box; and the belt weighers are connected with a central control DCS system through belt weigher control boxes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123177135.XU CN216499967U (en) | 2021-12-16 | 2021-12-16 | Cement batching system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123177135.XU CN216499967U (en) | 2021-12-16 | 2021-12-16 | Cement batching system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216499967U true CN216499967U (en) | 2022-05-13 |
Family
ID=81500635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123177135.XU Active CN216499967U (en) | 2021-12-16 | 2021-12-16 | Cement batching system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216499967U (en) |
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2021
- 2021-12-16 CN CN202123177135.XU patent/CN216499967U/en active Active
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Address after: 303 Hanzhongmen street, Gulou District, Nanjing City, Jiangsu Province Patentee after: Zhongcai International Intelligent Technology Co.,Ltd. Patentee after: Haiyan Qinshan Nanfang Cement Co.,Ltd. Address before: 303 Hanzhongmen street, Gulou District, Nanjing City, Jiangsu Province Patentee before: NANJING KISEN INTERNATIONAL ENGINEERING Co.,Ltd. Patentee before: Haiyan Qinshan Nanfang Cement Co.,Ltd. |