CN204281700U - A kind of coal water slurry produces evaluation system - Google Patents
A kind of coal water slurry produces evaluation system Download PDFInfo
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- CN204281700U CN204281700U CN201420682895.7U CN201420682895U CN204281700U CN 204281700 U CN204281700 U CN 204281700U CN 201420682895 U CN201420682895 U CN 201420682895U CN 204281700 U CN204281700 U CN 204281700U
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Abstract
The utility model relates to a kind of coal water slurry and produces evaluation system.Be characterized in: comprise feed coal storing device, this feed coal storing device is connected with jaw crusher by transfer mechanism, this jaw crusher is connected with roll crusher by one-level lifting mechanism, a hopper is provided with thus feed coal after fragmentation can be collected below this roll crusher, this hopper is connected with No. two feed bins by two-stage hoisting mechanism, these No. two feed bins are connected with the import of rod mill by screw feeder, the import of this rod mill is also connected with additive storage tank with the first electromagnetic dosing pump by the first pipeline, and the import of this rod mill is also connected with production water storage tank with the second electromagnetic dosing pump by the second pipeline.The utility model provides a kind of whole process that can realize and produces evaluation system with the coal water slurry accurately controlled, and can realize the continuous wet method slurrying of 1000t/a material.
Description
Technical field
The utility model relates to a kind of coal water slurry and produces evaluation system.
Background technology
In short supply at international energy, under the megatrend that oil, Gas Prices rise day by day, China using the development of Modern Coal-based Chemical and support technology thereof as important energy strategy, by constantly expanding the scope of coal utilization transition, accelerate Energy restructuring, environmental enhancement, economic and social benefit, the modernization making Modern Coal-based Chemical be China, sustainability social construction provide new power.In First Generat ion of Coal Gasification Technology, coal water slurry gasification technical matters technology maturation, flow process is simple, process control safety is reliable, and vapourizing furnace inner structure is simple, good operation performance, there is obvious advantage under certain condition, be currently still one of advanced Coal Gasification Technology of a new generation of being widely adopted.
In coal water slurry commercial process, because the conditions such as ature of coal, additive, water, the mode of production can change at any time, therefore the demand in linear, continuity, accuracy, promptness is just created for the evaluation of coal water slurry quality, need to monitor in real time such as equipment status parameter, technical process parameter, product quality parameters etc.And less for coal water slurry industrial production line evaluating apparatus achievement in research at present, manufacturing enterprise in most cases still evaluates coal water slurry quality product based on laboratory measurements.But, because the conditional fluctuation scopes such as ature of coal, additive, process water, the mode of production are comparatively large, have impact on the monitoring of enterprise to key factor in coal water slurry production process to a certain extent, cause coal slurry over-all properties uncontrollable factor to increase.Therefore need to develop a kind of whole process of medelling production coal water slurry and the evaluation line accurately controlled, meet enterprise to the demand of coal slurry evaluation in linear, continuity, accuracy, promptness, improve the real-time monitoring to production line, promote coal water slurry product quality level and stability.
Existing coal water slurry preparation technology adopts wet method slurrying mostly, and pulping process relates to the processing parameter such as selection, the residence time of slip in grinding machine, inlet amount, level proportioning of grinding medium, is dynamic pulping process.But it is dry method slurrying that the overwhelming majority is evaluated to the slurrying of coal sample in laboratory, for the coal under fixed proportion, water, additive mixed system, belong to static slurrying evaluation, this evaluation procedure and wet method pulping process differ greatly, also be subject to the impact of the factor such as sampling bias, manual operation simultaneously, usually there is the situation of evaluation result distortion, easily cause the misleading to suitability for industrialized production scene.Therefore, line is evaluated in the heavy dose of wet method slurrying of exploitation, become a lot of large-scale coal chemical industry enterprises in the urgent need to.
Utility model content
One of the purpose of this utility model is to provide a kind of coal water slurry and produces evaluation system, can realize the whole process to many coals, many materials attributed scheme manufacture gasification coal water slurry and the evaluation accurately controlled, testing service and simulation training function.
A kind of coal water slurry produces evaluation system, its special feature is: comprise feed coal storing device, this feed coal storing device is connected with jaw crusher by transfer mechanism, this jaw crusher is connected with roll crusher by one-level lifting mechanism, a hopper is provided with thus feed coal after fragmentation can be collected below this roll crusher, this hopper is connected with No. two feed bins by two-stage hoisting mechanism, these No. two feed bins are connected with the import of rod mill by screw feeder, the import of this rod mill is also connected with additive storage tank with the first electromagnetic dosing pump by the first pipeline, and the import of this rod mill is also connected with production water storage tank with the second electromagnetic dosing pump by the second pipeline, the outlet of this rod mill and the inlet communication of trommel screen, the first outlet of this trommel screen is communicated with finished pulp storage tank by product surge tank, and second of this trommel screen exports and starch storage tank and be communicated with giving up.
Wherein No. two bin bottom outlets, star baiting valve is installed.
Wherein rod mill adopts overflow rod mill.
Wherein vane-type motor machine agitator is installed in finished pulp storage tank.
Wherein between the first outlet and the product surge tank of trommel screen, between product surge tank and finished pulp storage tank, second export and gives up and starch between storage tank and be separately installed with coal slurry transferpump of trommel screen.
Wherein also comprise frequency-conversion control cabinet, this frequency-conversion control cabinet is connected with the motor of the first electromagnetic dosing pump, the second electromagnetic dosing pump, the motor of star baiting valve, the motor of screw feeder and rod mill respectively.
The utility model provides a kind of whole process that can realize and produces evaluation system with the coal water slurry accurately controlled, control three major controls by multiple stage crushing continuous wet method slurrying system, high precision solid-liquid stage metering continus convergence system and many coal many materials attributed scheme production of intelligent to form, the continuous wet method slurrying of 1000t/a material can be realized.The authentic real micro device that line is modern coal-water slurry gasification production system is evaluated in the production that the utility model relates to, and can realize the multidigit function that the whole process of many coal many materials attributed scheme production coal water slurry is integrated with the evaluation study accurately controlled, testing service and simulation training function.In industrial application, the utility model can be used for the appraisals such as the screening of coal, the screening of slurrying additive and the ratio optimization of mixed coal, and the system data of acquisition can be used as the technical basis that coal chemical industry enterprises coal water slurry is produced.The construction of line is evaluated by the slurrying of the utility model wet method, can use up on the one hand and eliminate experimental error to greatest extent, improve coal and evaluate accuracy, what is more important, by the simulation to production process, pulping process link can be investigated comprehensively, if the factors such as measurement equipment, mass transport equipment, material fragmentation equipment and consumptive material are on the impact of coal water slurry preparation quality, and the impact on important productive capacitys such as the gasification conversion be associated, oxygen loss-rate, energy consumptions, improve coal water slurry and prepare level, improve process conditions, increase production and improve productivity.
Accompanying drawing explanation
Accompanying drawing 1 is logic theory block diagram of the present utility model;
Accompanying drawing 2 is the principle of work schematic diagram of the utility model system.
Embodiment
As shown in Figure 1, the utility model is that a kind of coal water slurry produces evaluation system, comprise feed coal storing device, this feed coal storing device, this feed coal storing device is connected with jaw crusher by transfer mechanism, this jaw crusher is connected with roll crusher by one-level lifting mechanism, a hopper is provided with thus feed coal after fragmentation can be collected below this roll crusher, this hopper is connected with No. two feed bins by two-stage hoisting mechanism, these No. two feed bins are connected with the import of rod mill by screw feeder, the import of this rod mill is also connected with additive storage tank with the first electromagnetic dosing pump by the first pipeline, and the import of this rod mill is also connected with production water storage tank with the second electromagnetic dosing pump by the second pipeline, the outlet of this rod mill and the inlet communication of trommel screen, first outlet of this trommel screen is connected with product surge tank by coal slurry transferpump, product surge tank is communicated with finished pulp storage tank by coal slurry transferpump, and second of this trommel screen exports and starched storage tank by coal slurry transferpump and be communicated with giving up.
Wherein be provided with star baiting valve No. two bin bottom outlets, rod mill adopts overflow rod mill.Wherein vane-type motor machine agitator is installed in finished pulp storage tank, also comprise frequency-conversion control cabinet in addition, the start and stop of all electrical equipments of this housing centralized Control, comprise the first electromagnetic dosing pump, the second electromagnetic dosing pump, star baiting valve motor, screw feeder motor and rod mill motor etc., wherein star baiting valve motor is connected with frequency transformer with rod mill motor, is set as variable frequency control.
Adopt the utility model system, its processing step is:
1) raw coal fragmentation and quantitatively conveying: first raw coal is sent into jaw crusher through precrushing to granularity 50 ~ 70mm, the coal grain being greater than 20mm is crushed to 10 ~ below 15mm through jaw crusher, and promoted by one-level after mixing with the coal grain being less than 20mm and enter roll crusher, be crushed to 3 ~ below 5mm and enter a hopper, by two sections of liftings, feed coal is delivered to No. two airtight feed bins, according to the theoretical concentration of calculating, regulate the star baiting valve electric machine frequency of No. two airtight bin bottoms, feed coal is sent in rod mill by screw feeder with the feeding speed of 0.5 ~ 2.5kg/min by feed coal equably.
2) preparation of additive and ration distribution: according to slurrying concentration, the additive adding rate of requirement of experiment, calculating solid content is the additive of 3% ~ 30% mass percent and the flow producing water, be the additive of 3% ~ 30% mass percent by electromagnetic dosing pump by solid content by regulation flow and produce moisture level and deliver to rod mill entrance, together send into the slurrying of rod mill wet method with feed coal.
3) grinding and screening: mixed feed coal, water and additive grind slurrying with the mill speed of test design and rod iron proportioning in rod mill.Products obtained therefrom enters roll mill roller sieve, sieve bucket and rod mill coaxial rotation, and product is inner at sieve bucket is qualified slurry by centrifugation by the coal slurry that sieve aperture flows out, and is not entered by the coarse particles coal of sieve bucket and sieves bucket end and enter reject chute.Finally get qualified slurry and carry out performance test.
4) coal water slurry stores and performance test: coal water slurry stores and is divided into two portions, and qualified slurry stores and waste product slurry stores.Qualified slurry squeezes into product surge tank through coal slurry pump, squeezes into storage tank and stores and observe, follow-uply to use as vaporising fuel finally by coal slurry pump; Waste product slurry squeezes into waste product surge tank through coal slurry pump, squeezes into outdoor waste product hold-up vessel process finally by coal slurry pump.The parameters such as the main test concentrations of coal slurry performance, viscosity, size-grade distribution, stability and mobility.
Step 1) in, shattering process constitutes step crushing system by precrushing, one-level associating division fragmentation, secondary roller pair breaking, three grades of spiral addi-tional crusher, embody the energy-saving and cost-reducing theory of " many broken few mill ", particle size after cracking is followed successively by and is less than 50 ~ 70mm, is less than 10 ~ 15mm, is less than 3 ~ 5mm.Step 1) in, in feeding system, solid materials metering adopts star-like baiting valve and Frequency Converter Control to measure, Measuring Precision 0.05 ~ 0.1kg/min.Step 2) in, additive used can be market coal tar system on sale, melamine series, sulfamate system and polycarboxylic acid series additive etc.; Production water used can be tap water, high-salt wastewater, organic waste water etc.Step 2) in, the conveying and metering of liquid material adopts electromagnetic dosing pump accurate measurement, Measuring Precision 0.001 ~ 0.01kg/min.
Step 3) in, its grinding plant adopts overflow rod mill, expects treatment capacity to be 50kg/h ~ 250kg/h.Step 3) in, rod mill rotating speed regulates by frequency transformer and realizes stepless change, rod mill refrequency control range 20 ~ 40Hz, and grinding rod iron proportioning freely can adjust according to discharging-material size.Discharging-material size control interval is 8 order percent of pass 100wt%, 14 order percent of pass 95wt% ~ 100wt%, 40 order percent of pass 85wt% ~ 95wt%, 120 order percent of pass 40wt% ~ 80wt%, 200 order percent of pass 30wt% ~ 60wt%, 325 order percent of pass 20wt% ~ 40wt%.
Step 4) in, in its qualified coal slurry performance test, concentration determination, carries out with reference to " GB/T18856.2-2008 coal water slurry test method part 2: concentration determination "; Viscosity test, with reference to " GB/T 18856.4-2008 coal water slurry test method the 4th part: apparent viscosity measures ", uses the special viscometer of NXS-4C coal water slurry of national coal water slurry Engineering Technical Research Centre and Chengdu Instruement Factory's joint research and development to measure; Particle size distribution test, employing wet sieving measures, testing size 8 order, 14 orders, 40 orders, 120 orders, 200 orders, 325 object sieving rates respectively, get qualified coal slurry 1000g, 500g, 250g, 100g, 50g, 30g successively, after washing, on-the-sieve material is dried to constant weight, then through sieve shaker screening, finally weighs, calculate as particle size distribution result; Stability test: the precipitation situation after adopting settled process test coal slurry to leave standstill 24h, 48h, sampling 20kg, observes sampling coal slurry with or without generation hard-caked sediment, as determination of stability index.Fluidity testing is divided into A level: continuous flow, B level: discontinuous flow and C level: do not flow.
Step 4) in, its coal slurry transferpump motor adopts EX fire proof motor, qualified slurry storage tank band vane-type motor machine agitator.The electrical equipment control of the utility model system can adopt integrated form remote signal Controlling System.
Specific embodiment is as follows:
1, precrushing: adopt artificial or alternate manner to crush material to 50 ~ below 70mm;
2, one-level associating division is broken: all delivered to by the material after precrushing in jaw associating division shredder assembly, this device has vibrosieve function, it is equipped with 10mm, 5mm screen cloth, material is first through vibratory screening apparatus, granularity is less than the material screening of 10mm or 5mm to bottom hopper, the material being greater than 10mm or 5mm is transported to jaw crusher and carries out fragmentation, and the material that after fragmentation completes, granularity is less than 10 ~ 15mm drops down onto bottom hopper, is together promoted to roll crusher entrance with undersize material;
3, secondary roller pair breaking: adopt roller pair breaking crusher machine, the material of 10 ~ below 15mm is all crushed to 3 ~ below 5mm;
4, three grades of spiral addi-tional crusher: jaw crusher material is out delivered to roll crusher entrance through one-level screw lift(elevator); No. two airtight feed bins are delivered to through deuterostrophies lift by roll crusher 3 ~ below 5mm material out; Finally, 3 ~ below 5mm material delivers to rod mill entrance through flat spin material feeder, and material mutually extrudes and fully mixed in above process;
5, rod milling is broken: below 3mm material, after flat spin material feeder front end to mix with additive, water and soaks, pushes in roll mill roller through helical runner, contacts by further fragmentation with rod iron, according to design concentration, rotating speed and rod iron proportioning rod milling pulping;
6, coal slurry conveying, performance test and storage: qualified slurry is delivered to product surge tank by coal slurry pump, performance test is carried out in sampling, by coal slurry pump, qualified slurry is delivered to finished pulp storage tank afterwards and stores.
Following examples are all carried out under evaluation system of the present utility model.
Embodiment 1:
1) raw coal is pulverized and ration distribution: raw coal (mining area, the Ningxia east silver star two pit coal sample getting 150kg, supplied materials is crushed to below 60mm all), send into jaw associating division crusher in crushing to below 13mm, coal grain is less than the direct of 5mm and enters one-level raising section by screening, coal grain be greater than 5mm through jaw crushing to below 13mm, enter twin rollers by one-level raising section afterwards and be crushed to below 3mm, two-stage hoisting section enters hopper with 60kg/min, according to setting concentration with slurry be 59wt% calculate, feed coal is sent into rod mill with the speed of 48kg/h and is ground by feeding machine uniformly.
2) preparation of additive and ration distribution: the Ao Sifu addition of C NM-B selecting our company self-produced, solid content is mass percent 5.25%, and additive addition calculates as 0.20wt% according to the mass percent of solid additive in dry pulverized coal.Additive and tap water are delivered to flat spin front end with the flow of 30.5g/min and 527.1g/min by two electromagnetic dosing pumps respectively, enter rod mill and grind slurrying together with coal charge is after stirring.
3) grinding and screening: mixing raw material enters rod mill, and rod mill carries out grinding slurrying with the frequency of 40Hz, finally gets qualified slurry and carries out performance test.
4) coal water slurry storage and performance test data are in table 1 sequence number 1 and 2.
Embodiment 2:
On the processing step basis of above embodiment 1, concentration with slurry in step 1 is changed into 60wt%, additive in step 2 and the flow of water change into 30.5g/min, 504.5g/min respectively, and other processing step technical qualification are constant, and its case study on implementation test data is in table 1 sequence number 3.
Embodiment 3:
On the processing step basis of above embodiment 1, concentration with slurry in step 1 is changed into 61wt%, water in step 2 and the flow of additive change into 30.5g/min, 482.6g/min respectively, and other processing step technical qualification are constant, and its case study on implementation test data is in table 1 sequence number 4.
Embodiment 4:
On the processing step basis of above embodiment 1, concentration with slurry in step 1 is changed into 62wt%, water in step 2 and the flow of additive change into 30.5g/min, 461.4g/min respectively, and other processing step technical qualification are constant, and its case study on implementation test data is in table 1 sequence number 5 and 6
Embodiment 5:
On the processing step basis of above embodiment 1, concentration with slurry in step 1 is changed into 63wt%, water in step 2 and the flow of additive change into 30.5g/min, 441.0g/min respectively, and other processing step technical qualification are constant, and its case study on implementation test data is in table 1 sequence number 7 and 8.
Embodiment 6:
On the processing step basis of above embodiment 1, concentration with slurry in step 1 is changed into 64wt%, water in step 2 and the flow of additive change into 30.5g/min, 421.1g/min respectively, and other processing step technical qualification are constant, and its case study on implementation test data is in table 1 sequence number 9.
Table 1 silver star two pit coal sample pilot experiment data (part)
By multiple batches of pilot plant test, concentration ranges is the lump coal pulping process of 59wt% ~ 64wt% for silver-colored star two nugget coal high spot reviews.Result is as follows: be less than 1250mPas at viscosity of coal slurry, under mobility reaches the requirement of more than B level, and maximum slurry concentration 62.22wt%, viscosity 1177mPas, 200 order sieving rate 46.90wt%; Best slurry concentration interval 59wt% ~ 62wt%, 760mPas ~ 1200mPas between viscosity region, 200 order sieving rate 46wt% ~ 56wt%, meet grating standard-required.
Embodiment 7:
1) raw coal is pulverized and ration distribution: raw coal (Sai Mengteer colliery, the Ordos of Inner Mongolia coal sample of getting 100kg, supplied materials is crushed to below 50mm all), send into jaw associating division crusher in crushing to below 13mm, coal grain is less than the direct of 5mm and enters one-level raising section by screening, coal grain be greater than 5mm through jaw crushing to below 13mm, enter twin rollers by one-level raising section afterwards and be crushed to below 3mm, two-stage hoisting section enters hopper with 60kg/min, according to setting concentration with slurry be 58wt% calculate, feed coal is sent into rod mill with the speed of 55kg/h and is ground by feeding machine uniformly.
2) preparation of additive and ration distribution: the Ao Sifu addition of C NH-A selecting our company self-produced, solid content is mass percent 7.80%, and additive addition calculates as 0.25wt% according to the mass percent of solid additive in dry pulverized coal.Additive and tap water are delivered to flat spin front end with the flow of 29.5g/min and 639g/min by two electromagnetic dosing pumps respectively, enter rod mill and grind slurrying together with coal charge is after stirring.
3) grinding and screening: mixing raw material enters rod mill, and rod mill carries out grinding slurrying with the frequency of 35Hz, finally gets qualified slurry and carries out performance test.
4) coal water slurry storage and the performance test results are in table 2 sequence number 1.
Embodiment 8:
On the processing step basis of above embodiment 1, concentration with slurry in step 1 is changed into 59wt%, additive in step 2 and the flow of water change into 29.5g/min and 612.1g/min respectively, and other processing step technical qualification are constant, and its case study on implementation test data is in table 2 sequence number 2.
Embodiment 9:
On the processing step basis of above embodiment 1, concentration with slurry in step 1 is changed into 60wt%, water in step 2 and the flow of additive change into 29.5g/min and 586.1g/min respectively, and other processing step technical qualification are constant, and its case study on implementation test data is in table 2 sequence number 3.
Embodiment 10:
On the processing step basis of above embodiment 1, concentration with slurry in step 1 is changed into 61wt%, water in step 2 and the flow of additive change into 29.5g/min and 561g/min respectively, and other processing step technical qualification are constant, and its case study on implementation test data is in table 2 sequence number 4.
Table 2 Sai Mengteer coal sample pilot experiment data (part)
By multiple batches of pilot plant test, concentration ranges is the mixed coal pulping process of 58wt% ~ 61wt% for Sai Mengteer coal sample high spot reviews.Result is as follows: be less than 1000mPas at viscosity of coal slurry, and mobility reaches more than A level, under the requirement of stability 48h without precipitation, and maximum slurry concentration 61.04wt%, viscosity 964mPas, 200 order sieving rate 49.67wt%; Best slurry concentration interval 58wt% ~ 61wt%, 570mPas ~ 1000mPas between viscosity region, 200 order sieving rate 49wt% ~ 54wt%%, meet grating standard-required.
Embodiment 11:
1) raw coal is pulverized and ration distribution: raw coal (colliery, golden pheasant beach, Yulin, the Shaanxi Province coal sample of getting 165kg, supplied materials is crushed to below 60mm all), send into jaw associating division crusher in crushing to below 13mm, coal grain is less than the direct of 5mm and enters one-level raising section by screening, coal grain be greater than 5mm through jaw crushing to below 13mm, enter twin rollers by one-level raising section afterwards and be crushed to below 3mm, two-stage hoisting section enters hopper with 60kg/min, according to setting concentration with slurry be 60wt%, feed coal is sent into rod mill with the speed of 50kg/h and is ground by feeding machine uniformly.
2) preparation of additive and ration distribution: the Ao Sifu addition of C NL selecting our company self-produced, solid content is mass percent 4.81wt%, and additive addition calculates as 0.15wt% according to the mass percent of solid additive in dry pulverized coal.Additive and tap water are delivered to flat spin front end with the flow of 25.9g/min and 528.7g/min by two electromagnetic dosing pumps respectively, enter rod mill and grind slurrying together with coal charge is after stirring.
3) grinding and screening: mixing raw material enters rod mill, and rod mill carries out grinding slurrying with the frequency of 35Hz, finally gets qualified slurry and carries out performance test.
4) coal water slurry storage and the performance test results are in table 3 sequence number 1.
Embodiment 12:
On the processing step basis of above embodiment 1, concentration with slurry in step 1 is changed into 61wt%, water in step 2 and the flow of additive change into 25.9g/min and 506.0g/min respectively, and other processing step technical qualification are constant, and its case study on implementation test data is in table 3 sequence number 2.
Embodiment 13:
On the processing step basis of above embodiment 1, concentration with slurry in step 1 is changed into 62wt%, water in step 2 and the flow of additive change into 25.9g/min and 484.1g/min respectively, and other processing step technical qualification are constant, and its case study on implementation test data is in table 3 sequence number 3.
Embodiment 14:
On the processing step basis of above embodiment 1, concentration with slurry in step 1 is changed into 63wt%, water in step 2 and the flow of additive change into 25.9g/min and 462.8g/min respectively, and other processing step technical qualification are constant, and its case study on implementation test data is in table 3 sequence number 4.
Embodiment 15:
On the processing step basis of above embodiment 1, concentration with slurry in step 1 is changed into 64wt%, water in step 2 and the flow of additive change into 25.9g/min and 442.2g/min respectively, and other processing step technical qualification are constant, and its case study on implementation test data is in table 1 sequence number 2.
Table 3 golden pheasant beach coal sample pilot experiment data (part)
By multiple batches of pilot plant test, concentration ranges is the mixed coal pulping process of 60wt% ~ 64wt% for golden pheasant beach coal sample high spot reviews.Result is as follows: be less than 1000mPas at viscosity of coal slurry, under mobility reaches the requirement of more than B level, and maximum slurry concentration 64.35wt%, viscosity 922mPas, 200 order sieving rate 51.65wt%; Best slurry concentration interval 60wt% ~ 63wt%, 600mPas ~ 900mPas between viscosity region, 200 order sieving rate 50wt% ~ 54wt%, meet grating standard-required.
Claims (6)
1. a coal water slurry produces evaluation system, it is characterized in that: comprise feed coal storing device, this feed coal storing device is connected with jaw crusher by transfer mechanism, this jaw crusher is connected with roll crusher by one-level lifting mechanism, a hopper is provided with thus feed coal after fragmentation can be collected below this roll crusher, this hopper is connected with No. two feed bins by two-stage hoisting mechanism, these No. two feed bins are connected with the import of rod mill by screw feeder, the import of this rod mill is also connected with additive storage tank with the first electromagnetic dosing pump by the first pipeline, and the import of this rod mill is also connected with production water storage tank with the second electromagnetic dosing pump by the second pipeline, the outlet of this rod mill and the inlet communication of trommel screen, the first outlet of this trommel screen is communicated with finished pulp storage tank by product surge tank, and second of this trommel screen exports and starch storage tank and be communicated with giving up.
2. a kind of coal water slurry as claimed in claim 1 produces evaluation system, it is characterized in that: be wherein provided with star baiting valve No. two bin bottom outlets.
3. a kind of coal water slurry as claimed in claim 1 produces evaluation system, it is characterized in that: wherein rod mill adopts overflow rod mill.
4. a kind of coal water slurry as claimed in claim 1 produces evaluation system, it is characterized in that: wherein in finished pulp storage tank, be provided with vane-type motor machine agitator.
5. a kind of coal water slurry as claimed in claim 1 produces evaluation system, it is characterized in that: wherein between the first outlet and the product surge tank of trommel screen, between product surge tank and finished pulp storage tank, second export and gives up to starch between storage tank and be separately installed with coal slurry transferpump of trommel screen.
6. as a kind of coal water slurry in Claims 1-4 as described in any one produces evaluation system, it is characterized in that: wherein also comprise frequency-conversion control cabinet, this frequency-conversion control cabinet is connected with the motor of the first electromagnetic dosing pump, the second electromagnetic dosing pump, the motor of star baiting valve, the motor of screw feeder and rod mill respectively.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104357115A (en) * | 2014-11-14 | 2015-02-18 | 宁夏川能化工有限公司 | Water-coal-slurry production evaluation system |
| CN108870079A (en) * | 2017-05-12 | 2018-11-23 | 新疆中泰国信节能环保有限公司 | ammonium metavanadate solution automatic conveying method |
| CN109294643A (en) * | 2018-11-01 | 2019-02-01 | 宁夏然尔特工业产业研究院（有限公司） | A kind of whole process and the water-coal-slurry production evaluation technique accurately controlled |
| CN110441491A (en) * | 2018-05-04 | 2019-11-12 | 国家能源投资集团有限责任公司 | Coal seed gasification evaluating apparatus and method |
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2014
- 2014-11-14 CN CN201420682895.7U patent/CN204281700U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104357115A (en) * | 2014-11-14 | 2015-02-18 | 宁夏川能化工有限公司 | Water-coal-slurry production evaluation system |
| CN108870079A (en) * | 2017-05-12 | 2018-11-23 | 新疆中泰国信节能环保有限公司 | ammonium metavanadate solution automatic conveying method |
| CN110441491A (en) * | 2018-05-04 | 2019-11-12 | 国家能源投资集团有限责任公司 | Coal seed gasification evaluating apparatus and method |
| CN109294643A (en) * | 2018-11-01 | 2019-02-01 | 宁夏然尔特工业产业研究院（有限公司） | A kind of whole process and the water-coal-slurry production evaluation technique accurately controlled |
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