CN114602623A - Process system for improving quality of limestone of cement production line - Google Patents
Process system for improving quality of limestone of cement production line Download PDFInfo
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- CN114602623A CN114602623A CN202210098191.4A CN202210098191A CN114602623A CN 114602623 A CN114602623 A CN 114602623A CN 202210098191 A CN202210098191 A CN 202210098191A CN 114602623 A CN114602623 A CN 114602623A
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- 239000004568 cement Substances 0.000 title claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 37
- 235000019738 Limestone Nutrition 0.000 title claims abstract description 36
- 239000006028 limestone Substances 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000008569 process Effects 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 141
- 239000000428 dust Substances 0.000 claims abstract description 32
- 239000002002 slurry Substances 0.000 claims abstract description 27
- 238000005507 spraying Methods 0.000 claims abstract description 19
- 238000005189 flocculation Methods 0.000 claims abstract description 9
- 230000016615 flocculation Effects 0.000 claims abstract description 8
- 238000011045 prefiltration Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 26
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 239000010802 sludge Substances 0.000 claims description 8
- 239000004927 clay Substances 0.000 claims description 7
- 239000010865 sewage Substances 0.000 claims description 5
- 230000018044 dehydration Effects 0.000 claims description 3
- 238000006297 dehydration reaction Methods 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 4
- 239000004575 stone Substances 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 description 7
- 239000002994 raw material Substances 0.000 description 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 3
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 2
- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical compound O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a process system for improving the quality of limestone in a cement production line, which comprises a crushing system, a mud removing system and a water spraying system, wherein the crushing system comprises a plate feeding machine, a crusher, a first belt conveyor, a dust remover, a dust removing fan, a dewatering vibrating screen machine and a second belt conveyor; the mud removing system comprises a first slurry pump, a cyclone group, a concentration tank, an automatic flocculation dosing machine, a second slurry pump, a filter press, a clean water tank and a clean water pump; the water spraying system comprises a pre-filter, an electric ball valve, a water tank, a water pump, a valve group and a nozzle. The stone chips, mud cakes and clear water which are produced in the process system are all recycled in the production system of the cement plant, so that the internal circulation of production is realized, and the energy conservation and emission reduction are realized; the water spraying system ensures the production index of limestone products, controls the quality of the limestone products accurately, ensures the stable quality of the whole production line, improves the grade and the product quality of cement, and improves the economic benefit of a cement plant.
Description
Technical Field
The invention relates to the technical field of cement production, in particular to a process system for improving the quality of limestone in a cement production line.
Background
In cement production, limestone is the primary raw material for producing cement. In the cement ingredients, the limestone accounts for about 80% of the proportion of the cement raw materials, and the quality of the limestone directly influences the quality of cement clinker. In GB50295-2016 cement plant design specifications, the quality requirement on limestone is as follows: calcium oxide (CaO) > 48%, magnesium oxide (MgO) < 3%, alkali (K2O + Na 2O) < 0.6%, sulfur trioxide (SO 3) < 0.5%, free calcium oxide (f-SO 2) < 8% (quartz) or < 4% (flint), chloride ion (Cl-) < 0.03%, phosphorus pentoxide (P2O 5) < 0.8%; however, in actual production, the limestone contains a large amount of clay and other impurities, and particularly in rainy seasons in the south, the limestone contains a large amount of mud, water and other substances, so that the quality index of the limestone is unqualified, particularly the test indexes such as calcium oxide and the like are unqualified; the content of impurities in the raw materials of each vehicle is not uniform, and the impurities can not be adjusted by later-stage ingredients; or the later-stage batching adjustment has no stability, so that the burned cement clinker is unqualified or the quality is unstable, the mixing amount of industrial waste residues such as slag of a cement grinding system is low, the grade of cement is reduced, and the economic benefit of a cement enterprise is influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a process system for improving the quality of limestone in a cement production line, which can solve the quality control problem of limestone, ensure the stable quality of the whole production line, improve the automation level and efficiency of cement production, and improve the grade and product quality of cement.
The technical scheme adopted by the invention is as follows:
a process system for improving the quality of limestone in a cement production line comprises a crushing system, a mud removing system and a water spraying system;
the crushing system comprises a plate feeding machine, a crusher, a first belt conveyor, a dust remover, a dust removing fan, a dewatering vibrating screen machine and a second belt conveyor; the plate feeding machine is arranged corresponding to the unloading pit, a discharge port of the plate feeding machine is connected with a feed port of the crusher through a non-standard scraper-trough conveyer, and a material receiving end of the first belt conveyor is arranged below the crusher corresponding to a discharge port of the crusher; the dust remover is connected with the plate feeding machine and the crusher through a dust collection cover and a dust collection air pipe, and an ash discharge port of the dust remover is arranged corresponding to the receiving end of the first belt conveyor; the dust removal fan is arranged at an air outlet above the dust remover; the dewatering vibrating screen is arranged corresponding to the discharge end of the first belt conveyor; a screen lower discharge port of the dewatering vibrating screen corresponds to a material receiving end of a second belt conveyor, and the discharged material of the second belt conveyor is sent to a limestone circular piling workshop;
the mud removing system comprises a first slurry pump, a cyclone group, a concentration tank, an automatic flocculation dosing machine, a second slurry pump, a filter press, a clean water tank and a clean water pump; the inlet of the first slurry pump is connected with the sludge port of the dewatering vibrating screen through a pipeline, the feed port of the cyclone group is connected with the outlet of the first slurry pump through a pipeline, the residue port at the lower end of the cyclone group corresponds to the material receiving end of the second belt conveyor, and the slurry port at the upper end of the cyclone group is connected with the inlet at the upper end of the concentration tank through a pipeline; the flocculation automatic dosing machine is connected with a dosing port at the upper end of the concentration tank through a pipeline; the clear water port at the upper end of the concentration tank is connected with a clear water tank through a pipeline, and the clear water tank is connected with an external production water supply system through a clear water pump; a sewage port at the lower end of the concentration tank is communicated with an inlet of a second slurry pump through a pipeline; the inlet of the filter press is connected with the outlet of the second slurry pump through a pipeline, the water outlet of the filter press is connected with the clean water tank through a pipeline, and the mud cake discharge at the discharge port of the filter press is transferred to a clay shed workshop;
the water spraying system comprises a pre-filter, an electric ball valve, a water tank, a water pump, a valve group and a nozzle; leading filter entrance point passes through the tube coupling outside production water supply system, and leading filter export passes through the tube coupling water tank water inlet, and electric ball valve sets up on the pipeline between leading filter and water tank, and the tube coupling water tank is passed through to water pump one end, and the nozzle is connected through the valves to the other end, and the nozzle setting is in the dehydration shale shaker top.
Specifically, the material receiving end of the first belt conveyor extends to the lower side of the plate feeding machine, and the material leakage of the plate feeding machine is collected.
Specifically, the water tank on be provided with water level switch and blowoff valve, water level switch real-time supervision water tank water level washs the maintenance to the water tank through the blowoff valve.
Specifically, a ball valve and a water pump filter are arranged on a pipeline for connecting the water tank and the water pump; the ball valve and the water pump filter control the flow and remove impurities in water.
Specifically, the valve group is a ball valve and an electromagnetic valve, and the valve group controls the opening and closing of a nozzle and the water spraying amount.
Specifically, desilting system and water spray system all adopt PLC controller independent control to access whole plant DCS distributed control system communication, broken system passes through whole DCS distributed control system control.
Specifically, the pipeline and the pipeline connected in the system are wear-resistant rubber hoses or PVC plastic pipes.
Due to the adoption of the technical scheme, the invention has the following advantages:
the stone chips, mud cakes and clear water which are produced in the process system are all recycled in the production system of the cement plant, so that the internal circulation of production is realized, and the energy conservation and emission reduction are realized; the water spraying system ensures the production index of limestone products, controls the quality of the limestone products accurately, ensures the stable quality of the whole production line, improves the grade and the product quality of cement, and improves the economic benefit of a cement plant.
Drawings
FIG. 1 is a schematic process flow diagram of the integral joint of the present invention.
In the figure: 1-crushing system, 1.1-unloading pit, 1.2-plate feeding machine, 1.3-crushing machine, 1.4-first belt conveyor, 1.5-dust remover, 1.6-dust removing fan, 1.7-dewatering sieving machine, 1.8-second belt conveyor, 2-mud removing system, 2.1-first slurry pump, 2.2-cyclone group, 2.3-concentration tank, 2.4-flocculation automatic dosing machine, 2.5-second slurry pump, 2.6-pressure filter, 2.7-clear water tank, 2.8-clear water pump, 3-water spraying system, 3.1-pre-filter, 3.2-electric ball valve, 3.3-water level switch, 3.4-blow-off valve, 3.5-water tank, 3.6-ball valve and water pump filter, 3.7-water pump, 3.8-valve bank, 3.9-nozzle.
Detailed Description
The invention is further explained below with reference to the drawings and examples, without thereby limiting the scope of protection of the invention, which is disclosed with the aim of protecting all technical modifications within the scope of the invention.
The process system for improving the quality of limestone in a cement production line, which is shown in the attached drawing 1, comprises a crushing system 1, a mud removing system 2 and a water spraying system 3.
The crushing system 1 comprises a plate feeder 1.2, a crusher 1.3, a first belt conveyor 1.4, a dust remover 1.5, a dust removing fan 1.6, a dewatering vibrating screen machine 1.7 and a second belt conveyor 1.8; the plate feeding machine 1.2 is arranged corresponding to the unloading pit 1.1, a discharge port of the plate feeding machine 1.2 is connected with a feed port of the crusher 1.3 through a non-standard scraper-trough conveyer, and a material receiving end of the first belt conveyor 1.4 is arranged below the crusher 1.3 corresponding to a discharge port of the crusher 1.3; the material receiving end of the first belt conveyor 1.4 extends to the lower part of the plate feeding machine 1.2, and the leakage of the plate feeding machine 1.2 is collected; the dust remover 1.5 is connected with the plate feeder 1.2 and the crusher 1.3 through a dust collection cover and a dust collection air pipe, and an ash discharge port of the dust remover 1.5 is arranged corresponding to a receiving end of the first belt conveyor 1.4; the dust removal fan 1.6 is arranged at an air outlet above the dust remover 1.5; the dewatering vibrating screen is arranged corresponding to the discharge end of the first belt conveyor 1.4; the screen lower discharge port of the dewatering vibrating screen corresponds to the material receiving end of the second belt conveyor 1.8, and the material discharged by the second belt conveyor 1.8 is sent into a limestone circular piling workshop.
The mud removing system 2 comprises a first slurry pump 2.1, a cyclone group 2.2, a concentration tank 2.3, an automatic flocculation dosing machine 2.4, a second slurry pump 2.5, a filter press 2.6, a clean water tank 2.7 and a clean water pump 2.8; an inlet of a first slurry pump 2.1 is connected with a sludge port of a dewatering vibrating screen through a wear-resistant rubber hose, a feed inlet of a cyclone group 2.2 is connected with an outlet of the first slurry pump 2.1 through a wear-resistant rubber hose, a residue port at the lower end of the cyclone group 2.2 corresponds to a material receiving end of a second belt conveyor 1.8, and a sludge port at the upper end of the cyclone group 2.2 is connected with an inlet at the upper end of a concentration tank 2.3 through a wear-resistant rubber hose; the flocculation automatic dosing machine 2.4 is connected with a dosing port at the upper end of the concentration tank 2.3 through a PVC plastic pipeline; the clear water port at the upper end of the concentration tank 2.3 is connected with a clear water tank 2.7 through a pipeline, and the clear water tank 2.7 is connected with an external production water supply system through a clear water pump 2.8; a sewage port at the lower end of the concentration tank 2.3 is communicated with an inlet of a second slurry pump 2.5 through a wear-resistant rubber hose; the import of pressure filter 2.6 is passed through wear-resisting rubber hose and is connected the export of second sediment stuff pump 2.5, and the pipeline connection clean water jar 2.7 is passed through to pressure filter 2.6 delivery port, and the clay cake ejection of compact of pressure filter 2.6 discharge gate is transported to clay heap canopy workshop.
The water spraying system 3 comprises a pre-filter 3.1, an electric ball valve 3.2, a water tank 3.5, a water pump 3.7, a valve bank 3.8 and a nozzle 3.9; leading filter 3.1 entrance point passes through the tube coupling outside production water supply system, leading filter 3.1 export passes through the tube coupling water tank 3.5 water inlet, be provided with water level switch 3.3 and blowoff valve 3.4 on the water tank 3.5, electronic ball valve 3.2 sets up on the pipeline between leading filter 3.1 and water tank 3.5, water pump 3.7 one end passes through tube coupling water tank 3.5, be provided with ball valve and water pump filter 3.6 on the pipeline that water tank 3.5 and water pump 3.7 are connected, the water pump 3.7 other end passes through valves 3.8 connecting nozzle 3.9, valves 3.8 are ball valve and solenoid valve, valve nozzle 3.9 sets up in the dehydration shale shaker top.
Preferably, the sludge removal system 2 and the water spraying system 3 are both independently controlled by a PLC controller and are communicated with a whole-plant DCS distributed control system, and the crushing system 1 is controlled by the whole-plant DCS distributed control system.
When the system works, the truck unloads limestone to the unloading pit 1.1, and the limestone enters the crusher 1.3 through the plate feeder 1.2 to be crushed; bulk materials leaked by the plate feeding machine 1.2 directly enter the first belt conveyor 1.4, and materials crushed by the crusher 1.3 also enter the first belt conveyor 1.4; the dust remover 1.5 removes dust from the crusher 1.3 and the plate feeder 1.2, the purified air is discharged out through the dust removal fan 1.6, and the dust also enters the first belt conveyor 1.4; the material out of the first belt conveyor 1.4 enters a dewatering vibrating screen, and a large amount of water is sprayed into the dewatering vibrating screen through a nozzle 3.9 of a water spraying system 3 to wash away clay and other impurities on limestone, so that the quality of the limestone is improved, and the batching of cement raw materials is improved; the material out of the dewatering vibrating screen enters a second belt conveyor 1.8, and the clean material out of the second belt conveyor 1.8 enters a limestone circular piling workshop of a cement plant.
The sludge discharged from the dewatering vibrating screen enters a first slurry pump 2.1, the material discharged from the first slurry pump 2.1 enters a cyclone group 2.2, the sludge and the water are separated by the cyclone group 2.2, the mud and the water enter a concentration tank 2.3 for continuous separation, the residues such as stone chips enter a second belt conveyor 1.8, and the residues enter a limestone circular pile workshop along with the material on the second belt conveyor 1.8 for production and standby; adding medicine into the concentration tank 2.3 through the automatic flocculation medicine adding machine 2.4 to perform clear water precipitation, wherein clear water at the upper part of the concentration tank 2.3 flows into the clear water tank 2.7, and sewage at the lower part enters the second slurry pump 2.5; the sewage discharged from the second slurry pump 2.5 enters a filter press 2.6, is subjected to filter pressing through the filter press 2.6, and the mud cakes are transported by a forklift and sent to a clay shed workshop of a cement plant for storage and standby; the clean water from the filter press 2.6 enters the clean water tank 2.7, the water from the clean water tank 2.7 enters the clean water pump 2.8, and the water from the clean water pump 2.8 enters the water system for cement plant production for reuse.
The water spraying system 3 is connected with water for the production system through a water inlet pipeline, the water enters the pre-filter 3.1, the filtered water enters the water tank 3.5, and an electric ball valve 3.2 is arranged between the pre-filter 3.1 and the water tank 3.5 to control the water quantity; the water tank 3.5 is provided with a water level switch 3.3 for monitoring the water level of the water tank 3.5 in real time, and a drain valve 3.4 for cleaning and maintaining the water tank 3.5; water in the water outlet tank 3.5 enters a water pump 3.7, a ball valve and a water pump filter 3.6 are arranged between the water tank 3.5 and the water pump 3.7, and the flow is controlled and impurities entering the water pump 3.7 are removed; the water from the water pump 3.7 is sprayed on the dewatering vibration sieve through the nozzle 3.9 to clean mud impurities on the limestone materials, and a ball valve and an electromagnetic valve are arranged between the water pump 3.7 and the nozzle 3.9 to control the water spraying amount and the opening and closing of the nozzle 3.9.
The mud removing system 2 and the water spraying system 3 are independently controlled by adopting a PLC (programmable logic controller), can communicate with a whole plant DCS (distributed control system) and receive control commands of starting and stopping the DCS; the crushing system 1 is controlled by a DCS (distributed control System) of the whole plant; when the supplied materials are clean, the sludge removal system 2 and the water spraying system 3 can be closed, the production of the crushing system 1 is not influenced, and unnecessary control redundancy is reduced.
The invention is not described in detail in the prior art.
The embodiments selected for the purpose of disclosing the invention, are presently considered to be suitable, it being understood, however, that the invention is intended to cover all variations and modifications of the embodiments which fall within the spirit and scope of the invention.
Claims (7)
1. The utility model provides an improve process systems of cement manufacture line limestone quality which characterized in that: comprises a crushing system, a mud removing system and a water spraying system;
the crushing system comprises a plate feeding machine, a crusher, a first belt conveyor, a dust remover, a dust removing fan, a dewatering vibrating screen machine and a second belt conveyor; the plate feeding machine is arranged corresponding to the unloading pit, a discharge port of the plate feeding machine is connected with a feed port of the crusher through a non-standard scraper-trough conveyer, and a material receiving end of the first belt conveyor is arranged below the crusher corresponding to the discharge port of the crusher; the dust remover is connected with the plate feeding machine and the crusher through a dust collection cover and a dust collection air pipe, and an ash discharge port of the dust remover is arranged corresponding to the receiving end of the first belt conveyor; the dust removal fan is arranged at an air outlet above the dust remover; the dewatering vibrating screen is arranged corresponding to the discharge end of the first belt conveyor; a screen lower discharge port of the dewatering vibrating screen corresponds to a material receiving end of a second belt conveyor, and the discharged material of the second belt conveyor is sent to a limestone circular piling workshop;
the mud removing system comprises a first slurry pump, a cyclone group, a concentration tank, an automatic flocculation dosing machine, a second slurry pump, a filter press, a clean water tank and a clean water pump; the inlet of the first slurry pump is connected with the sludge port of the dewatering vibrating screen through a pipeline, the feed port of the cyclone group is connected with the outlet of the first slurry pump through a pipeline, the residue port at the lower end of the cyclone group corresponds to the material receiving end of the second belt conveyor, and the slurry port at the upper end of the cyclone group is connected with the inlet at the upper end of the concentration tank through a pipeline; the flocculation automatic dosing machine is connected with a dosing port at the upper end of the concentration tank through a pipeline; the clear water port at the upper end of the concentration tank is connected with a clear water tank through a pipeline, and the clear water tank is connected with an external production water supply system through a clear water pump; a sewage port at the lower end of the concentration tank is communicated with an inlet of a second slurry pump through a pipeline; the inlet of the filter press is connected with the outlet of the second slurry pump through a pipeline, the water outlet of the filter press is connected with the clean water tank through a pipeline, and the mud cake discharge at the discharge port of the filter press is transferred to a clay shed workshop;
the water spraying system comprises a pre-filter, an electric ball valve, a water tank, a water pump, a valve group and a nozzle; leading filter entrance point passes through the tube coupling outside production water supply system, and leading filter export passes through the tube coupling water tank water inlet, and electric ball valve sets up on the pipeline between leading filter and water tank, and the tube coupling water tank is passed through to water pump one end, and the nozzle is connected through the valves to the other end, and the nozzle setting is in the dehydration shale shaker top.
2. The process system for improving the quality of limestone in a cement production line according to claim 1, characterized in that: the first belt conveyor material receiving end extends to the lower side of the plate feeding machine, and the plate feeding machine is collected to leak materials.
3. The process system for improving the quality of limestone in a cement production line according to claim 1, characterized in that: the water tank is provided with a water level switch and a drain valve.
4. The process system for improving the quality of limestone in a cement production line according to claim 1, characterized in that: and a ball valve and a water pump filter are arranged on a pipeline for connecting the water tank and the water pump.
5. The process system for improving the quality of limestone in a cement production line according to claim 1, characterized in that: the valve group comprises a ball valve and an electromagnetic valve.
6. The process system for improving the quality of limestone in a cement production line according to claim 1, characterized in that: the mud removing system and the water spraying system are independently controlled by a PLC controller and are communicated with a whole-plant DCS distributed control system, and the crushing system is controlled by the whole-plant DCS distributed control system.
7. The process system for improving the quality of limestone in a cement production line according to claim 1, characterized in that: the pipeline and pipeline connected in the system are wear-resistant rubber hoses or PVC plastic pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210098191.4A CN114602623A (en) | 2022-01-27 | 2022-01-27 | Process system for improving quality of limestone of cement production line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210098191.4A CN114602623A (en) | 2022-01-27 | 2022-01-27 | Process system for improving quality of limestone of cement production line |
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| CN114602623A true CN114602623A (en) | 2022-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210098191.4A Pending CN114602623A (en) | 2022-01-27 | 2022-01-27 | Process system for improving quality of limestone of cement production line |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB655957A (en) * | 1947-03-14 | 1951-08-08 | Directie Staatsmijnen Nl | Improvements in and relating to the separation of raw coal |
| CN105965699A (en) * | 2016-07-01 | 2016-09-28 | 陈更 | A set of concrete production environmental protection equipment and concrete production process |
| CN111068902A (en) * | 2019-12-25 | 2020-04-28 | 日昌升建筑新材料设计研究院有限公司 | Energy-saving mud cake conveying system |
| CN111068901A (en) * | 2019-12-25 | 2020-04-28 | 日昌升建筑新材料设计研究院有限公司 | Desilting preposition water-saving energy-saving sand stone aggregate washing system |
| CN111137959A (en) * | 2019-12-25 | 2020-05-12 | 日昌升建筑新材料设计研究院有限公司 | Sludge conveying system |
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2022
- 2022-01-27 CN CN202210098191.4A patent/CN114602623A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB655957A (en) * | 1947-03-14 | 1951-08-08 | Directie Staatsmijnen Nl | Improvements in and relating to the separation of raw coal |
| CN105965699A (en) * | 2016-07-01 | 2016-09-28 | 陈更 | A set of concrete production environmental protection equipment and concrete production process |
| CN111068902A (en) * | 2019-12-25 | 2020-04-28 | 日昌升建筑新材料设计研究院有限公司 | Energy-saving mud cake conveying system |
| CN111068901A (en) * | 2019-12-25 | 2020-04-28 | 日昌升建筑新材料设计研究院有限公司 | Desilting preposition water-saving energy-saving sand stone aggregate washing system |
| CN111137959A (en) * | 2019-12-25 | 2020-05-12 | 日昌升建筑新材料设计研究院有限公司 | Sludge conveying system |
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