CN114504988B - Reaction kettle for coal water slurry additive and using method thereof - Google Patents
Reaction kettle for coal water slurry additive and using method thereof Download PDFInfo
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- CN114504988B CN114504988B CN202210014730.1A CN202210014730A CN114504988B CN 114504988 B CN114504988 B CN 114504988B CN 202210014730 A CN202210014730 A CN 202210014730A CN 114504988 B CN114504988 B CN 114504988B
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- 239000000654 additive Substances 0.000 title claims abstract description 49
- 230000000996 additive effect Effects 0.000 title claims abstract description 47
- 239000003245 coal Substances 0.000 title claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 239000002002 slurry Substances 0.000 title claims abstract description 44
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims description 6
- 238000003756 stirring Methods 0.000 claims abstract description 115
- 239000002994 raw material Substances 0.000 claims abstract description 86
- 238000002156 mixing Methods 0.000 claims abstract description 69
- 230000007246 mechanism Effects 0.000 claims abstract description 48
- 238000002360 preparation method Methods 0.000 claims abstract description 5
- 238000003860 storage Methods 0.000 claims description 13
- 230000009471 action Effects 0.000 claims description 5
- 238000013329 compounding Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 239000003250 coal slurry Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000013019 agitation Methods 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229940125532 enzyme inhibitor Drugs 0.000 description 1
- 239000002532 enzyme inhibitor Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- -1 pH regulator Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/32—Liquid carbonaceous fuels consisting of coal-oil suspensions or aqueous emulsions or oil emulsions
- C10L1/326—Coal-water suspensions
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- Oil, Petroleum & Natural Gas (AREA)
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- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention discloses a reaction kettle for a coal water slurry additive, and belongs to the technical field of coal water slurry additive equipment. A reaction kettle for a coal water slurry additive comprises a stirring tank and a feeding adjusting mechanism, wherein the feeding adjusting mechanism is uniformly arranged at a feeding port at the top of the stirring tank and is used for adjusting the feeding speed of raw materials; the raw material lifting mechanisms are uniformly arranged on the outer side of the stirring tank and are used for conveying raw materials to the feeding end of the feeding adjusting mechanism; the stirring tank comprises an upper premixing section and a lower stirring section, and lifting hoppers with adjustable raw material containing quantity are arranged on the raw material lifting mechanism at equal intervals; the additive can be quantitatively mixed according to different component proportions of the additive, so that the subsequent mixing efficiency is not favorably improved, and meanwhile, the manual feeding mode is replaced for compounding, so that the labor intensity of mixing preparation is reduced.
Description
Technical Field
The invention relates to the technical field of coal water slurry additive equipment, in particular to a reaction kettle for a coal water slurry additive and a using method thereof.
Background
The coal water slurry is a novel, efficient and clean coal-based fuel, and particularly in recent years, after a technical route of waste recycling is adopted, the environment-friendly coal water slurry is successfully developed, so that the environment-friendly benefit of the coal water slurry can be greatly improved on the premise of not increasing the cost. Under the guarantee of rich coal resources in China, the coal water slurry also becomes the most basic and most economical clean energy for replacing energy sources such as oil, gas and the like, the coal water slurry is a mixture prepared by coal powder with a certain particle size distribution and water and a small amount of additive, the coal water slurry additive has excellent dispersibility and fluidity, the combustion efficiency of the coal water slurry can be improved by adding the coal water slurry additive into the coal water slurry, and the coal water slurry additive with good performance and low price is increasingly widely demanded by the market.
The coal water slurry additive has dispersant, stabilizer and other auxiliary chemical agents, such as defoaming agent, pH regulator, enzyme inhibitor, surface modifier, promoter, etc. based on their functions. The composite coal water slurry additive needs to uniformly mix a plurality of components in the preparation process and then be used.
Among the prior art, the utility model patent of patent application number CN202023210459.4 discloses "a structure converges based on reation kettle for the coal slurry additive sets up inside reation kettle, the reation kettle top is equipped with a plurality of first entries, and is a plurality of the entry bottom is equipped with many first collecting pipes, first collecting pipe bottom all is equipped with the bellows, a plurality of second entries on the bellows bottom fixed connection collection flow box, the collection flow box bottom is equipped with a plurality of first spiral pipes, just the collection flow box bilateral symmetry is equipped with bearing structure. The utility model has simple structure and reasonable design, and the confluence structure is arranged in the reaction kettle, so that the raw materials are preliminarily mixed in the feeding process and then enter the reaction kettle for full mixing reaction, thereby accelerating the mixing time of the raw materials; utilize stirring part and a plurality of spiral pipe, make and mix more evenly, when utilizing the supporting component to the collection flow box support, make the collection flow box can rock from top to bottom, it mixes to assemble with higher speed, the effect of assembling has been increased, production efficiency has been improved ", still there is the defect, because each group proportion of additive is different, when preliminary mixing, the less component of part ratio has been added and has been finished and other components are still carrying out preliminary mixing, be unfavorable for improving the efficiency of follow-up mixture, it is comparatively simple usually to compound the device simultaneously, adopt artifical reinforced form to compound basically, there is the great problem of intensity of labour.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, due to different component proportions of additives, when the additives are preliminarily mixed, part of components with less proportions are added, and other components are still preliminarily mixed, so that the subsequent mixing efficiency is not improved, and meanwhile, a compounding device is usually simple, and basically adopts a manual feeding mode for compounding, so that the labor intensity is high.
The problem of (2), and provides a reaction kettle for the coal water slurry additive.
In order to achieve the purpose, the invention adopts the following technical scheme:
a reaction kettle for a coal water slurry additive, which comprises a stirring tank and a reaction kettle
The feeding adjusting mechanism is uniformly arranged at a feeding port at the top of the stirring tank and is used for adjusting the feeding speed of the raw materials;
the raw material lifting mechanisms are uniformly arranged on the outer side of the stirring tank and are used for conveying raw materials to the feeding end of the feeding adjusting mechanism;
wherein, the first and the second end of the pipe are connected with each other,
the stirring tank comprises an upper premixing section and a lower stirring section, and lifting hoppers with adjustable raw material containing quantity are arranged on the raw material lifting mechanism at equal intervals.
Preferably, the raw material lifting mechanism comprises a storage hopper arranged at the top opening of the side edge of the stirring tank, a rack arranged at the opening of the storage hopper and a driving conveying belt arranged on the rack, and the lifting hoppers are equidistantly arranged on the surface of the driving conveying belt.
Preferably, promote the hopper and include top and one side open-ended bucket body, install at bucket body side open-ended arc mounting panel and slide continuous with the arc mounting panel and be used for sheltering from bucket body side open-ended cowl, evenly distributed's screw hole is seted up at cowl along cowl slip direction to the arc mounting panel, be provided with on the cowl with screw hole screw-thread fit's positioning bolt.
Preferably, the lower part stirring section includes open-top's the blending tank body, installs the base in the blending tank body bottom, installs on the base and to the lower drive shaft of blending tank body inner chamber extension, install and arrange first stirring portion, second stirring portion, third stirring portion and the fourth stirring portion of blending tank body inner chamber one end in at lower drive shaft, first stirring portion, second stirring portion, third stirring portion and fourth stirring portion stirring point are different apart from the distance of drive shaft axle center down, the bottom of the blending tank body is provided with the discharge gate.
Preferably, the upper premixing section comprises a premixing tank body which is arranged at the top of the mixing tank body and communicated with an inner cavity of the mixing tank body, an upper driving shaft which is arranged at the top of the premixing tank body and extends towards the inner cavity of the premixing tank body, an upper flow collecting cover which is sleeved on the upper driving shaft and is arranged at the outer wall of the inner cavity section of the premixing tank body, an opening of the upper driving shaft is downward and is in clearance fit with the inner wall of the premixing tank body, a lower flow collecting cover which is arranged on the inner side wall of the premixing tank body and is positioned below the upper flow collecting cover, and a stirring sheet which is arranged on the outer wall of the inner cavity section of the upper flow collecting cover and is arranged on the upper driving shaft, wherein the stirring sheet is in clearance fit with the inner side wall of the lower flow collecting cover.
Preferably, the outlet at the bottom of the lower flow collecting cover is also connected with a spiral material collecting pipe arranged above the first stirring part, the second stirring part, the third stirring part and the fourth stirring part.
Preferably, feeding adjustment mechanism is including installing at premixing jar body top and arranging the feed hopper of raw materials hoist mechanism blanking mouth below in, installing at the vibration exciter of feed hopper lateral wall, installing at feed hopper feed opening department and to the feed pipe that mixes jar body inner chamber extension in advance and rotate the shutoff regulating assembly who installs at feed hopper feed opening department, the top of upper collecting cover is arranged in to the discharge end of feed pipe.
Preferably, the shutoff adjusting part includes the rotation and connects the driving shutoff pole of the buncher drive of feed inlet department of feed hopper and evenly set up the feed port on the driving shutoff pole.
Preferably, the number of the raw material lifting mechanisms is the same as the number of the kinds of the raw materials to be mixed.
A use method of a reaction kettle for a coal water slurry additive comprises the following steps:
s1: when the device is used, firstly, raw materials for preparing the coal water slurry additive are respectively put into the storage hoppers of different raw material lifting mechanisms, then the lifting capacity of the lifting hoppers is adjusted according to the mass proportion of each component of the coal water slurry additive to be prepared, specifically, the constraint of the positioning bolt on the arc-shaped baffle is relieved, the arc-shaped baffle is enabled to slide along the arc-shaped mounting plate, the shielding area of the arc-shaped baffle on the side opening of the hopper body is further adjusted, then the raw material feeding of different components is adjusted, the mixing uniformity is improved, and then the driving conveyer belt is started to drive the lifting hoppers to lift the raw materials from the storage hoppers to the upper side of the feeding adjusting mechanism;
s2: the proportion of all raw materials entering the stirring tank simultaneously can be further adjusted by the feeding adjusting mechanism aiming at some raw materials with smaller components, and the speed of the raw materials entering the stirring tank by being lifted by the raw material lifting mechanism and falling into the feeding hopper is adjusted by adjusting the rotating speed of the driving plugging rod, so that the raw materials can simultaneously enter the stirring tank according to the raw material proportion, the uniformity of mixing is improved, and the mixing efficiency is improved;
s3: the upper driving shaft is started, all component raw materials falling into the feeding hopper fall into the feeding pipes through feeding holes intermittently leaked under the vibration action of the vibration exciter on the outer wall of the feeding hopper, the feeding pipes can be effectively prevented from being blocked through the arranged vibration exciter, all the component raw materials fall onto the surface of an upper flow collecting cover driven by the upper driving shaft through different feeding pipes, are centrifugally distributed in the inner cavity of the premixing tank body under the rotation action of the upper flow collecting cover, then fall into the inner cavity of the lower flow collecting cover, all the component raw materials falling into the inner cavity of the lower flow collecting cover are premixed through stirring sheets, and are sent into a lower stirring section of the stirring tank through a spiral material collecting pipe;
s4: the first stirring portion, the second stirring portion, the third stirring portion and the fourth stirring portion which are different from the lower driving shaft axis are arranged in the mixing tank body in the lower stirring section, and are used for stirring and mixing the raw materials of all components falling into the mixing tank body, and after the raw materials are mixed, the raw materials are taken out through a discharge port arranged at the bottom of the mixing tank body, so that the mixing preparation of the coal water slurry additive is realized.
Compared with the prior art, the invention provides a reaction kettle for a coal water slurry additive, which has the following beneficial effects:
1. this reation kettle for coal slurry additive through the raw materials hoist mechanism that sets up, has realized the automatic function of adding of component raw materials, has solved among the prior art artifical reinforced form and has compounded, has the great problem of intensity of labour.
2. This reation kettle for coal slurry additive through the promotion hopper that the splendid attire volume adjustable that sets up, has realized the raw materials feeding regulatory function of different components, helps improving the homogeneity of mixing.
3. This reation kettle for coal slurry additive through the feeding adjustment mechanism who sets up, has realized mixing the purpose of stirring according to the raw materials proportion, helps improving the homogeneity of mixing, improves the mixing efficiency, has solved among the prior art because additive each component proportion is different, and during preliminary mixing, the less component of part ratio has added and has finished and other components still are carrying out preliminary mixing, is unfavorable for improving the problem of the efficiency of follow-up mixture.
4. This reation kettle for coal slurry additive through the upper portion premix section that sets up, has realized the function of premixing of each component raw materials in premixing jar internal, has solved the problem that the mixing efficiency is low that directly mixes and lead to among the prior art.
5. The reaction kettle for the coal water slurry additive realizes the function of uniformly mixing the premixed raw materials through the arranged lower mixing section.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic front view of the present invention.
Fig. 3 is a schematic structural diagram of the material lifting mechanism of the present invention.
Fig. 4 is one of the exploded structural views of the stirring tank of the present invention.
Fig. 5 is a second schematic diagram of the explosion structure of the stirring tank of the present invention.
Fig. 6 is a schematic structural diagram of the feed adjusting mechanism of the present invention.
Fig. 7 is a second schematic structural diagram of the feeding adjustment mechanism of the present invention.
Fig. 8 is a schematic view of the construction of the lifting hopper of the present invention.
Fig. 9 is a schematic view of the internal structure of the agitation tank of the present invention.
FIG. 10 is a schematic view of the lower stirring section of the present invention.
FIG. 11 is a schematic diagram of the construction of the upper premix section of the present invention.
In the figure: 10. a stirring tank; 110. an upper premix section; 111. a premixing tank body; 112. an upper drive shaft; 113. an upper manifold cover; 114. a lower current collecting hood; 115. a stirring sheet; 116. a spiral material collecting pipe; 120. a lower stirring section; 121. a mixing tank body; 122. a base; 123. a lower drive shaft; 124. a first stirring section; 125. a second stirring section; 126. a third stirring section; 127. a fourth stirring section; 20. a feed adjustment mechanism; 210. a feeding hopper; 220. a vibration exciter; 230. a feed pipe; 240. driving the plugging rod; 250. a feed port; 30. a raw material lifting mechanism; 310. lifting the hopper; 311. a bucket body; 312. an arc-shaped mounting plate; 313. an arc-shaped baffle plate; 314. a threaded hole; 315. positioning a bolt; 320. a storage hopper; 330. a frame; 340. the conveyor belt is driven.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Example 1:
referring to fig. 1, 2, 3, 4, 5, 6, 7 and 8, a reaction kettle for a coal water slurry additive comprises a stirring tank 10 and further comprises
The feeding adjusting mechanism 20 is uniformly arranged at a feeding port at the top of the stirring tank 10 and is used for adjusting the feeding speed of the raw materials;
the raw material lifting mechanisms 30 are uniformly arranged on the outer side of the stirring tank 10 and are used for conveying raw materials to the feeding end of the feeding adjusting mechanism 20;
wherein the content of the first and second substances,
referring to fig. 1 to 3, the mixing tank 10 includes an upper premixing section 110 and a lower mixing section 120, and a lifting hopper 310 with an adjustable raw material content is disposed on the raw material lifting mechanism 30 at equal intervals.
Referring to fig. 3, the material lifting mechanism 30 includes a storage hopper 320 installed at the top opening of the side of the stirring tank 10, a frame 330 installed at the opening of the storage hopper 320, and a driving conveyer belt 340 installed on the frame 330, wherein the lifting hoppers 310 are installed at equal intervals on the surface of the driving conveyer belt 340, and the driving conveyer belt 340 drives the lifting hoppers 310 to lift the material from the storage hopper 320 to the upper side of the feeding adjustment mechanism 20.
Referring to fig. 3 and 8, the lifting hopper 310 includes a hopper body 311 with an opening at the top and one side, an arc-shaped mounting plate 312 installed at the opening at the side of the hopper body 311, and an arc-shaped baffle 313 connected with the arc-shaped mounting plate 312 in a sliding manner and used for shielding the opening at the side of the hopper body 311, the arc-shaped mounting plate 312 is provided with threaded holes 314 uniformly distributed along the sliding direction of the arc-shaped baffle 313, the arc-shaped baffle 313 is provided with positioning bolts 315 in threaded fit with the threaded holes 314, the lifting capacity of the lifting hopper 310 is adjusted according to the mass proportion of each component of the coal water slurry additive to be prepared, specifically, the constraint of the positioning bolts 315 on the arc-shaped baffle 313 is removed, and the arc-shaped baffle 313 slides along the arc-shaped mounting plate 312, so as to adjust the shielding area of the arc-shaped baffle 313 on the opening at the side of the hopper body 311, further, adjust the raw material feeding of different components, and contribute to improving the mixing uniformity.
Referring to fig. 6 to 7, the feeding adjustment mechanism 20 includes a feeding hopper 210 installed on the top of the premix barrel 111 and disposed below the discharge port of the material lifting mechanism 30, an exciter 220 installed on the sidewall of the feeding hopper 210, a feeding pipe 230 installed at the feeding port of the feeding hopper 210 and extending toward the inner cavity of the premix barrel 111, and a plugging adjustment assembly rotatably installed at the feeding port of the feeding hopper 210, wherein the discharge end of the feeding pipe 230 is disposed above the upper collecting hood 113.
The plugging adjustment assembly comprises a driving plugging rod 240 driven by a speed regulating motor rotatably connected at the feeding port of the feeding hopper 210 and feeding holes 250 uniformly formed on the driving plugging rod 240, and each component raw material falls on the surface of the upper flow-collecting cover 113 driven by the upper driving shaft 112 through different feeding pipes 230.
The number of the raw material lifting mechanisms 30 is the same as the number of kinds of the raw materials to be mixed.
When the device is used, firstly, raw materials for preparing the coal water slurry additive are respectively put into the storage hoppers 320 of different raw material lifting mechanisms 30, then the lifting capacity of the lifting hopper 310 is adjusted according to the mass proportion of each component of the coal water slurry additive to be prepared, specifically, the constraint of the positioning bolt 315 on the arc-shaped baffle 313 is relieved, the arc-shaped baffle 313 slides along the arc-shaped mounting plate 312, the shielding area of the arc-shaped baffle 313 on the side opening of the hopper body 311 is further adjusted, the raw material feeding of different components is adjusted, the mixing uniformity is improved, and then the driving conveyer belt 340 is started to drive the lifting hopper 310 to lift the raw materials from the storage hoppers 320 to the upper part of the feeding adjusting mechanism 20; the proportion of raw materials entering the stirring tank 10 simultaneously can be further adjusted by the feeding adjusting mechanism 20 aiming at some raw materials with smaller components, and the speed of the raw materials entering the stirring tank 10 and lifted by the raw material lifting mechanism 30 and falling into the feeding hopper 210 is adjusted by adjusting the rotating speed of the driving blocking rod 240, so that the raw materials enter the stirring tank 10 simultaneously according to the raw material proportion, the mixing uniformity is improved, and the mixing efficiency is improved; open drive shaft 112, each component raw materials that fall into in the feed hopper 210 fall into feed pipe 230 through the feed opening 250 that the intermittent type spilled under the vibration effect of the vibration exciter 220 of feed hopper 210 outer wall, can effectually avoid feed pipe 230 to block up through the vibration exciter 220 that sets up, get into agitator tank 10 through feed pipe 230, avoided the manual work to put in the material, and can carry out feed speed according to the ratio and adjust, guaranteed mixing efficiency.
Example 2:
referring to fig. 9, 10 and 11, a reaction kettle for a coal water slurry additive is substantially the same as that of embodiment 1, and further, the upper premixing section 110 includes a premixing tank 111 installed on the top of the mixing tank 121 and communicated with the inner cavity of the mixing tank 121, an upper driving shaft 112 installed on the top of the premixing tank 111 and extending toward the inner cavity of the premixing tank 111, an upper collecting cover 113 sleeved on the upper driving shaft 112 and disposed on the outer wall of the inner cavity of the premixing tank 111 with a downward opening and in clearance fit with the inner sidewall of the premixing tank 111, a lower collecting cover 114 installed on the inner sidewall of the premixing tank 111 and located below the upper collecting cover 113, and a stirring blade 115 installed on the outer wall of the inner cavity of the upper collecting cover 113 and disposed on the upper driving shaft 112, where the stirring blade 115 is in clearance fit with the inner sidewall of the lower collecting cover 114, and each component falling in the inner cavity of the lower collecting cover 114 is premixed by the stirring blade 115 and fed into the lower stirring section 120 of the stirring tank 10 through a spiral collecting pipe 116.
Referring to fig. 9, the outlet at the bottom of the lower flow-collecting hood 114 is further connected to a spiral material-collecting pipe 116 disposed above the first, second, third and fourth stirring portions 124, 125, 126 and 127, which helps to further improve the premixing effect.
Referring to fig. 4 to 5, the lower stirring stage 120 includes a mixing tank 121 having an open top, a base 122 installed at the bottom of the mixing tank 121, a lower driving shaft 123 installed on the base 122 and extending toward an inner cavity of the mixing tank 121, a first stirring part 124, a second stirring part 125, a third stirring part 126, and a fourth stirring part 127 installed at one end of the lower driving shaft 123 and disposed at an inner cavity of the mixing tank 121, wherein stirring points of the first stirring part 124, the second stirring part 125, the third stirring part 126, and the fourth stirring part 127 are different from an axial center of the lower driving shaft 123, a discharge port is provided at the bottom of the mixing tank 121, and the component materials falling into the mixing tank 121 of the lower stirring stage 120 are stirred and mixed by the first stirring part 124, the second stirring part 125, the third stirring part 126, and the fourth stirring part 127 which are different from the lower driving shaft 123.
The raw materials of each component fall on the surface of an upper collecting hood 113 driven by an upper driving shaft 112 through different feeding pipes 230, are centrifugally distributed in the inner cavity of the premixing tank body 111 under the rotation action of the upper collecting hood 113 and then fall in the inner cavity of a lower collecting hood 114, and the raw materials of each component falling in the inner cavity of the lower collecting hood 114 are premixed through a stirring sheet 115 and are sent into a lower stirring section 120 of the stirring tank 10 through a spiral collecting pipe 116; and after falling into the mixing tank body 121 in the lower stirring section 120, the raw materials of all the components falling into the mixing tank body 121 are stirred and mixed by the first stirring part 124, the second stirring part 125, the third stirring part 126 and the fourth stirring part 127 which are different in distance from the axis of the lower driving shaft 123, and after the mixing is finished, the raw materials are taken out through a discharge hole formed in the bottom of the mixing tank body 121, so that the mixing preparation of the coal water slurry additive is realized.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The reaction kettle for the coal water slurry additive is characterized by comprising a stirring tank (10) and further comprising
The feeding adjusting mechanism (20) is uniformly arranged at a feeding port at the top of the stirring tank (10) and is used for adjusting the feeding speed of the raw materials;
the raw material lifting mechanism (30) is uniformly arranged on the outer side of the stirring tank (10) and is used for conveying raw materials to the feeding end of the feeding adjusting mechanism (20);
the stirring tank (10) comprises an upper premixing section (110) and a lower stirring section (120), and a lifting hopper (310) with adjustable raw material containing quantity is arranged on the raw material lifting mechanism (30) at equal distance;
the lower stirring section (120) comprises a mixing tank body (121) with an opening at the top, a base (122) arranged at the bottom of the mixing tank body (121), a lower driving shaft (123) arranged on the base (122) and extending towards the inner cavity of the mixing tank body (121), a first stirring part (124), a second stirring part (125), a third stirring part (126) and a fourth stirring part (127) which are arranged at one end of the lower driving shaft (123) and arranged at the inner cavity of the mixing tank body (121), wherein the distances from the stirring points of the first stirring part (124), the second stirring part (125), the third stirring part (126) and the fourth stirring part (127) to the axle center of the lower driving shaft (123) are different;
the upper premixing section (110) comprises a premixing tank body (111) which is arranged at the top of the mixing tank body (121) and is communicated with the inner cavity of the mixing tank body (121);
feeding adjustment mechanism (20) including install at premix jar body (111) top and arrange feed hopper (210) of raw materials hoist mechanism (30) blanking mouth below in, install vibration exciter (220) at feed hopper (210) lateral wall, install feed pipe (230) that feed hopper (210) feed opening department and extend to premix jar body (111) inner chamber and rotate the shutoff adjusting part who installs feed hopper (210) feed opening department, the top of collecting the flow cover (113) is arranged in to the delivery end of feed pipe (230), shutoff adjusting part is including rotating connection in feed hopper (210) feed opening department's buncher driven drive shutoff pole (240) and evenly opening feed port (250) on drive shutoff pole (240).
2. The reaction kettle for the coal water slurry additive according to claim 1, wherein the raw material lifting mechanism (30) comprises a storage hopper (320) installed at the side of the stirring tank (10) and having an open top, a frame (330) installed at the opening of the storage hopper (320), and a driving conveyer belt (340) installed on the frame (330), and the lifting hoppers (310) are installed on the surface of the driving conveyer belt (340) at equal intervals.
3. The reaction kettle for the coal water slurry additive according to claim 2, wherein the lifting hopper (310) comprises a hopper body (311) with an opening at the top and one side, an arc-shaped mounting plate (312) installed at the opening at the side of the hopper body (311), and an arc-shaped baffle (313) connected with the arc-shaped mounting plate (312) in a sliding manner and used for shielding the opening at the side of the hopper body (311), the arc-shaped mounting plate (312) is provided with threaded holes (314) uniformly distributed in the arc-shaped baffle (313) along the sliding direction of the arc-shaped baffle (313), and the arc-shaped baffle (313) is provided with positioning bolts (315) in threaded fit with the threaded holes (314).
4. The reaction kettle for the coal water slurry additive according to claim 3, wherein a discharge hole is formed in the bottom of the mixing tank body (121).
5. The reaction kettle for the coal water slurry additive according to claim 4, wherein the upper premixing section (110) further comprises an upper driving shaft (112) installed at the top of the premixing tank body (111) and extending towards the inner cavity of the premixing tank body (111), an upper flow collecting cover (113) sleeved on the upper driving shaft (112) and arranged on the outer wall of the inner cavity section of the premixing tank body (111) with a downward opening and in clearance fit with the inner side wall of the premixing tank body (111), a lower flow collecting cover (114) installed on the inner side wall of the premixing tank body (111) and located below the upper flow collecting cover (113), and a stirring sheet (115) installed on the upper driving shaft (112) and arranged on the outer wall of the inner cavity section of the upper flow collecting cover (113), wherein the stirring sheet (115) is in clearance fit with the inner side wall of the lower flow collecting cover (114).
6. The reaction kettle for the coal water slurry additive according to claim 5, wherein the outlet at the bottom of the lower collecting cover (114) is further connected with a spiral collecting pipe (116) which is arranged above the first stirring part (124), the second stirring part (125), the third stirring part (126) and the fourth stirring part (127).
7. The reactor for coal-water slurry additive according to claim 1, wherein the number of the raw material lifting mechanisms (30) is the same as the number of the types of the raw materials to be mixed.
8. The method of using the reaction kettle for the coal water slurry additive according to claim 6, comprising the steps of:
s1: firstly, raw materials for preparing the coal water slurry additive are respectively put into storage hoppers (320) of different raw material lifting mechanisms (30), then the lifting capacity of a lifting hopper (310) is adjusted according to the mass proportion of each component of the coal water slurry additive to be prepared, specifically, the restraint of a positioning bolt (315) on an arc-shaped baffle (313) is relieved, the arc-shaped baffle (313) slides along an arc-shaped mounting plate (312), the shielding area of the arc-shaped baffle (313) on the side opening of a hopper body (311) is adjusted, and further the raw material feeding of different components is adjusted;
s2: aiming at some raw materials with smaller components, the proportion of each raw material entering the stirring tank (10) simultaneously is further adjusted by the feeding adjusting mechanism (20), the speed of the raw material entering the stirring tank (10) after being lifted by the raw material lifting mechanism (30) and falling into the feeding hopper (210) is adjusted by adjusting the rotating speed of the driving plugging rod (240), and then the raw materials enter the stirring tank (10) simultaneously according to the raw material proportion;
s3: the upper driving shaft (112) is started, all component raw materials falling into the feeding hopper (210) fall into the feeding pipe (230) through the feeding holes (250) which intermittently leak under the vibration action of the vibration exciter (220) on the outer wall of the feeding hopper (210), the feeding pipe (230) can be effectively prevented from being blocked through the arranged vibration exciter (220), all component raw materials fall onto the surface of the upper flow collecting hood (113) driven by the upper driving shaft (112) through different feeding pipes (230), are centrifugally distributed in the inner cavity of the premixing tank body (111) under the rotation action of the upper flow collecting hood (113) and then fall into the inner cavity of the lower flow collecting hood (114), all component raw materials falling into the inner cavity of the lower flow collecting hood (114) are premixed through the stirring sheet (115) and are conveyed into the lower stirring section (120) of the stirring tank (10) through the spiral flow collecting pipe (116);
s4: after falling into the mixing tank body (121) in the lower mixing section (120), the raw materials of all components falling into the mixing tank body (121) are mixed by a first mixing part (124), a second mixing part (125), a third mixing part (126) and a fourth mixing part (127) which are different from the axis of the lower driving shaft (123), and after the mixing is finished, the raw materials are taken out through a discharge hole formed in the bottom of the mixing tank body (121), so that the mixing preparation of the coal water slurry additive is realized.
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| CN106512797A (en) * | 2016-12-09 | 2017-03-22 | 李伟科 | Vibration-reducing type chemical material stirring equipment with cleaning device |
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Denomination of invention: A reaction kettle for adding coal water slurry and its usage method Granted publication date: 20230210 Pledgee: WUXI BRANCH, INDUSTRIAL BANK CO.,LTD. Pledgor: YIXING CITY XINGGUANG BAOYI CHEMICAL Co.,Ltd. Registration number: Y2024980013649 |
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