CN111992063B - Lime milk preparation equipment for desulfurization and denitrification - Google Patents
Lime milk preparation equipment for desulfurization and denitrification Download PDFInfo
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- CN111992063B CN111992063B CN202010931919.8A CN202010931919A CN111992063B CN 111992063 B CN111992063 B CN 111992063B CN 202010931919 A CN202010931919 A CN 202010931919A CN 111992063 B CN111992063 B CN 111992063B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F21/00—Dissolving
- B01F21/30—Workflow diagrams or layout of plants, e.g. flow charts; Details of workflow diagrams or layout of plants, e.g. controlling means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/714—Feed mechanisms for feeding predetermined amounts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/716—Feed mechanisms characterised by the relative arrangement of the containers for feeding or mixing the components
- B01F35/7164—Feed mechanisms characterised by the relative arrangement of the containers for feeding or mixing the components the containers being placed in parallel before contacting the contents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
- B01F35/88—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise
- B01F35/881—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise by weighing, e.g. with automatic discharge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
- B01F35/88—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise
- B01F35/882—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise using measuring chambers, e.g. volumetric pumps, for feeding the substances
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/40—Alkaline earth metal or magnesium compounds
- B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/604—Hydroxides
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The invention discloses lime milk preparation equipment for desulfurization and denitrification, which comprises: solution preparation pond, water injection mechanism and throw the material mechanism. Wherein, the solution preparation pool is provided with a water injection port, a feed port and a water outlet; the water injection mechanism includes: the automatic water injection device comprises a water injection fixing frame, a turnover hopper, an automatic water injection assembly and a first lock group; the turnover bucket is rotatably arranged on the water injection fixing frame through a turnover shaft, the automatic water injection assembly is connected with an external water inlet pipe and is positioned above the turnover bucket, and the first lock group is used for locking or unlocking the turnover bucket; throw material mechanism and include: the feeding device comprises a feeding fixing frame, a feeding rotating plate, a packing assembly, a feeding control assembly and a second lock group; the feeding fixing frame forms a feeding cavity, the feeding rotating plate is rotatably arranged in the feeding cavity, the packing assembly is arranged on the feeding fixing frame, and the feeding control assembly and the second lock set are used for locking or unlocking the feeding rotating plate. The preparation equipment can automatically prepare when meeting specific feeding conditions, and improves the production efficiency.
Description
Technical Field
The invention relates to the technical field of solution preparation equipment, in particular to lime milk preparation equipment for desulfurization and denitrification.
Background
In industrial production processes, in order to reduce environmental pollution, industrial waste gas is generally subjected to desulfurization and denitrification treatment. Among them, flue gas desulfurization and denitration are considered as important technical means for controlling industrial waste gas pollution, and research on simultaneous desulfurization and denitration technology of flue gas is active at home and abroad, and mainly comprises a temperature absorption method, an adsorption method, a catalysis method, a high-energy radiation method, a combination of the methods and the like. The wet absorption method has a better application prospect because the process and the equipment are simpler.
The wet absorption method is adopted, the lime milk solution needs to be prepared, and experiments show that the best desulfurization and denitrification effects can be achieved by adding urea and potassium permanganate into the lime milk solution with the pH value of 8-9.
The existing equipment for preparing the lime milk solution generally needs manual operation, and a certain amount of lime powder and a certain amount of industrial water are mixed to prepare the lime milk solution with fixed concentration, so that the production efficiency is not improved. Therefore, how to design a lime milk preparation device for desulfurization and denitrification, the lime milk preparation device can be automatically prepared when meeting specific feeding conditions, and the production efficiency is improved, which is a technical problem to be solved by technical personnel in the field.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides lime milk preparation equipment for desulfurization and denitrification, which can automatically prepare lime milk when specific feeding conditions are met, so that the production efficiency is improved.
The purpose of the invention is realized by the following technical scheme:
a lime breast preparation equipment for SOx/NOx control, it includes: the device comprises a solution preparation pool, a water injection mechanism and a feeding mechanism;
the solution preparation pool is provided with a water injection port, a feed port and a water outlet, the water injection mechanism is arranged at the water injection port, and the feed mechanism is arranged at the feed port;
the water injection mechanism comprises: the automatic water injection device comprises a water injection fixing frame, a turnover bucket, an automatic water injection assembly and a first lock set; the turnover hopper is rotatably arranged on the water injection fixing frame through a turnover shaft, the automatic water injection assembly is connected with an external water inlet pipe and is positioned above the turnover hopper, and the first lock group is used for locking or unlocking the turnover hopper;
the feeding mechanism comprises: the feeding device comprises a feeding fixing frame, a feeding rotating plate, a packing assembly, a feeding control assembly and a second lock set; the feeding fixing frame forms a feeding cavity, the feeding rotating plate is rotatably arranged in the feeding cavity, the packing assembly is arranged on the feeding fixing frame, and the feeding control assembly and the second lock group are used for locking or unlocking the feeding rotating plate.
In one embodiment, the automatic water injection assembly comprises: the water injection floating ball, the water injection control rod and the water injection sleeve are arranged on the water injection sleeve; the water injection sleeve is sleeved at the pipe orifice of the external water inlet pipe, the water injection sleeve forms a water injection control cavity, the water injection control rod is contained in the water injection control cavity in a sliding manner, and the water injection floating ball is arranged on the water injection control rod;
the water injection fixing frame is provided with a left inclined plane and a right inclined plane;
the overturning hopper is provided with two storage water tanks, and a floating ball avoiding groove is formed between the two storage water tanks of the overturning hopper;
the first lock group comprises a turnover braking component and a turnover triggering component; the overturning braking component is used for braking the overturning hopper, and the overturning triggering component is used for releasing the braking of the overturning hopper;
the roll-over brake assembly comprises: the overturning mechanism comprises an overturning control gear, an overturning control ejector rod and a sliding guide rod; the sliding guide rod is arranged on the water injection fixing frame, the turnover control ejector rod is arranged on the sliding guide rod through a first reset elastic piece, the turnover control ejector rod is pressed on or separated from a wheel surface of the turnover control gear, and the turnover control gear is fixedly connected to the turnover shaft;
the flip-flop assembly includes: the overturning device comprises an overturning trigger pull rope, an overturning trigger rod and a first guide base; the first guide base is fixed in the solution preparation pool, the overturning trigger rod is arranged on the first guide base in a lifting mode, a first buoyancy ball is arranged on the overturning trigger rod, and the overturning trigger rod is connected with the overturning control ejector rod through the overturning trigger stay cord.
In one embodiment, the filler assembly comprises a filler funnel, and the filler funnel is arranged through the feeding fixing frame;
the feeding control assembly comprises a feeding control ejector rod and a feeding adjusting rod, the feeding adjusting rod is arranged on the feeding fixing frame, the feeding control ejector rod is arranged on the feeding adjusting rod through a second reset elastic piece, and the feeding control ejector rod is pressed and held or separated from the feeding rotating plate;
the second lock group comprises a rotating brake component and a rotating trigger component; the rotary braking assembly is used for braking the feeding rotating plate, and the rotary braking assembly enables the feeding rotating plate to release braking through the rotary triggering assembly;
the rotary brake assembly comprises a control ratchet wheel and a blocking rod, the control ratchet wheel is arranged on a rotating shaft of the feeding rotating plate, the blocking rod is rotatably arranged on the feeding fixing frame, and the blocking rod presses or is separated from the control ratchet wheel;
the rotary trigger assembly includes: the rotary trigger pull rope, the rotary trigger rod and the second guide base; the second guide base is fixed in the solution preparation pool, the rotating trigger rod penetrates through the second guide base in a sliding mode, a second buoyancy ball is arranged on the rotating trigger rod, and the rotating trigger rod is connected with the blocking rod through the rotating trigger pull rope.
In one embodiment, the water injection control rod is provided with a water injection blocking surface.
In one embodiment, a sealing ring is arranged on the water injection plugging surface.
In one embodiment, a first sliding sleeve is arranged on the first guide base, and the turnover trigger rod is movably arranged in the first sliding sleeve.
In one embodiment, a second sliding sleeve is arranged on the second guide base, and the rotating trigger rod is movably arranged in the second sliding sleeve.
In one embodiment, the feeding adjusting rod is screwed on the feeding fixing frame through threads.
In one embodiment, the first return elastic member is a spring structure.
In one embodiment, the second return elastic member is a spring structure.
The lime milk preparation equipment for desulfurization and denitrification disclosed by the invention can be used for automatically preparing lime milk when specific feeding conditions are met, so that the production efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
FIG. 1 is a schematic structural diagram of lime milk preparation equipment for desulfurization and denitrification according to the present invention;
FIG. 2 is a schematic structural view of the water injection mechanism shown in FIG. 1;
FIG. 3 is a schematic partial cross-sectional view of the water injection mechanism shown in FIG. 1;
FIG. 4 is a schematic structural view of the first lock set shown in FIG. 2;
FIG. 5 is a schematic structural view of the feeding mechanism shown in FIG. 1;
fig. 6 is a schematic structural view of the second lock set shown in fig. 5.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all 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. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, a lime milk preparing apparatus 10 for desulfurization and denitrification according to the present invention includes: the solution preparation tank 100, the water injection mechanism 200 and the feeding mechanism 300.
The solution preparation pool 100 is provided with a water injection port 110, a feed port 120 and a water outlet 130, the water injection mechanism 200 is arranged at the water injection port 110, and the water injection mechanism 200 injects industrial water into the solution preparation pool 100 through the water injection port 110; the feeding mechanism 300 is arranged at the feeding port 120, and the feeding mechanism 300 injects lime powder into the solution preparation tank 100 through the feeding port 120.
As shown in fig. 2, the water injection mechanism 200 includes: a water filling holder 210, a turning hopper 220, an automatic water filling assembly 230, and a first lock assembly 240. The tipping bucket 220 is rotatably disposed on the water injection fixing frame 210 through the tipping shaft 221, the automatic water injection assembly 230 is connected to the external water inlet pipe 400 and is located above the tipping bucket 220, and the first locking set 240 is used for locking or unlocking the tipping bucket 220, which will be described in detail below.
In the present embodiment, as shown in fig. 3, the automatic water filling assembly 230 includes: water filling float 231, water filling control lever 232 and water filling sleeve 233. Wherein, the water injection sleeve 233 is connected to the mouth of the external water inlet pipe 400, the water injection sleeve 233 forms a water injection control chamber 234, the water injection control rod 232 is slidably received in the water injection control chamber 234, and the water injection floating ball 231 is disposed on the water injection control rod 232. In this embodiment, a water injection blocking surface 235 is formed on the water injection control rod 232, a clamping frame 236 is disposed in the water injection control cavity 234, and the water injection control rod 232 is used for opening or closing a nozzle of the water inlet pipe 400, which will be explained in detail in the following working principle.
The water injection fixing frame 210 has a left inclined surface 211 and a right inclined surface 212 (as shown in fig. 2). The turning hopper 220 has two storage water tanks 222, and the turning hopper 220 is provided with a float ball avoiding groove 223 (shown in fig. 3) between the two storage water tanks 222.
As shown in fig. 4, the first lock set 240 includes a reverse brake assembly 250 and a reverse trigger assembly 260. The tipping brake assembly 250 is used for braking the tipping bucket 220, and the tipping trigger assembly 260 is used for releasing the braking of the tipping bucket 220. Specifically, the tumble brake assembly 250 includes: a tumble control gear 251, a tumble control ram 252, and a slide guide rod 253. The sliding guide rod 253 is arranged on the water injection fixing frame 210, the overturning control push rod is arranged on the sliding guide rod 253 through a first reset elastic piece 254, the overturning control gear 251 is fixedly connected to the overturning shaft 221, and the overturning control push rod 252 presses or is separated from the wheel surface of the overturning control gear 251.
Specifically, as shown in fig. 4, the flip-flop module 260 includes: a flip trigger cord 261, a flip trigger lever 262, and a first guide base 263. The first guide base 263 is fixed in the solution preparation tank 100, the turnover trigger rod 262 is arranged on the first guide base 263 in a lifting manner, the turnover trigger rod 262 is provided with a first buoyancy ball 264, and the turnover trigger rod 262 is connected with the turnover control push rod 252 through a turnover trigger pull rope 261. The first buoyancy ball 264 floats in the solution preparation tank 100, and controls the turnover control ejector rod 252 to press or separate from the turnover control gear 251 through the turnover trigger rod 262 and the turnover trigger pull rope 261 according to the liquid level of the lime milk solution, and the specific working process will be explained below.
As shown in fig. 5, the charging mechanism 300 includes: a feeding fixing frame 310, a feeding rotating plate 320, a packing component 330, a feeding control component 340 and a second lock set 350. The feeding fixing frame 310 forms a feeding cavity 311, the feeding rotating plate 320 is rotatably disposed in the feeding cavity 311, the packing assembly 330 is disposed on the feeding fixing frame 310, and the feeding control assembly 340 and the second locking assembly 350 are used for locking or unlocking the feeding rotating plate 320, which will be described in detail below.
In this embodiment, as shown in fig. 6, the filling assembly 330 includes a filling funnel 331, the filling funnel 331 is disposed through the feeding fixing frame 310, and the filling funnel 331 stores lime powder therein.
As shown in fig. 5, the feeding control assembly 340 includes a feeding control push rod 341 and a feeding adjusting rod 342, the feeding adjusting rod 342 is disposed on the feeding fixing frame 310, the feeding control push rod 341 is disposed on the feeding adjusting rod 342 through a second reset elastic member 343, and the feeding control push rod 341 presses or disengages from the feeding rotating plate 320.
As shown in fig. 6, the second lock group 350 includes a rotation brake assembly 360 and a rotation trigger assembly 370. The rotary braking component 360 is used for braking the feeding rotating plate 320, and the rotary braking component 360 enables the feeding rotating plate 320 to be released from braking through rotating the trigger component 370.
Specifically, the rotation braking assembly 360 includes a control ratchet 361 and a blocking rod 362, the control ratchet 361 is disposed on the rotation shaft 321 of the feeding rotating plate 320, the blocking rod 362 is rotatably disposed on the feeding fixing frame 310, and the blocking rod 362 presses or disengages the control ratchet 361.
Specifically, the rotational trigger assembly 370 includes: a rotation trigger cord 371, a rotation trigger lever 372, and a second guide base 373. The second guiding base 373 is fixed in the solution preparation tank 100, the rotating trigger rod 372 is slidably disposed on the second guiding base 373, the rotating trigger rod 372 is provided with a second buoyancy ball 374, and the rotating trigger rod 372 is connected to the blocking rod 362 through a rotating trigger pull rope 371. The second buoyancy ball 374 floats in the solution preparation tank 100, and controls the blocking rod 362 to press or disengage the control ratchet 361 by rotating the trigger rod 372 and the trigger pull rope 371 according to the liquid level of the lime milk solution, and the specific working process will be explained below.
It should be noted that the lime milk preparation equipment 10 for desulfurization and denitrification disclosed by the invention is used for preparing a lime milk solution meeting the concentration requirement when specific feeding conditions are met. Wherein, the specific feeding conditions comprise three conditions: firstly, water for mixing and preparing reaches a set volume; secondly, the lime powder used for mixing and preparing reaches the set weight; thirdly, the lime milk solution in the solution preparation tank 100 is about to be exhausted. Therefore, the lime milk preparation apparatus 10 for desulfurization and denitrification of the present invention is designed with: an automatic water filling assembly 230, a feeding control assembly 340, a first lock set 240 and a second lock set 350. The automatic water injection assembly 230 is used to ensure that each time the water is dispensed reaches a set volume; the feeding control component 340 is used for ensuring that the lime powder prepared each time reaches the set weight; the first and second lock sets 240 and 350 ensure that the water injection mechanism 200 and the feeding mechanism 300 are injected and fed only in case the lime milk solution in the solution preparation tank 100 is about to be exhausted. Only when the three specific feeding conditions are met, the water injection mechanism 200 and the feeding mechanism 300 inject water and feed to prepare a new lime milk solution.
The working principle of the lime milk preparation apparatus 10 for desulfurization and denitrification will be described with reference to the embodiment.
In the initial state, as shown in fig. 1, a lime milk solution with a prepared concentration is stored in the solution preparation tank 100. The water outlet 130 of the solution preparation tank 100 is in an open state, and the lime milk solution can continuously flow out of the solution preparation tank 100;
in the initial state, as shown in fig. 4, the tipping bucket 220 is inclined to the right inclined surface 212 by gravity, and the filling float 231 and the filling control lever 232 are dropped and pressed against the catching frame 236 by gravity. The tumble control plunger 252 abuts against the wheel surface of the tumble control gear 251, so that the tumble control gear 251 and the tumble shaft 221 cannot rotate. The first buoyant ball 264 floats within the solution dispensing tank 100 at an elevated position. As shown in fig. 6, the filler funnel 331 stores lime powder, and the lime powder can fall onto the feeding rotary plate 320 through the funnel opening of the filler funnel 331. The feeding control post rod 341 is pressed on one side of the feeding rotating plate 320, and the blocking rod 362 is inclined under the action of gravity and pressed on the control ratchet 361, so that the control ratchet 361 and the feeding rotating plate 320 cannot rotate. A second buoyant ball 374 floats in the solution preparation tank 100 at an elevated position;
as time goes on, the water inlet pipe 400 continuously injects the industrial water into the storage water tank 222 of the flip bucket 220 until the water level of the storage water tank 222 reaches a certain height, and the water injection float 231 is jacked up. Since water filling control lever 232 is provided on water filling float 231, water filling control lever 232 also rises as the water level rises. Finally, the water injection blocking surface 235 on the water injection control rod 232 blocks the orifice of the water inlet pipe 400, and at this time, the water in the storage water tank 222 reaches the set configuration volume, that is, the first specific feeding condition is met, so that preparation is made for preparing the lime milk solution. In the process, the overturning control push rod 252 always abuts against the wheel surface of the overturning control gear 251, so that the overturning shaft 221 cannot overturn;
as time goes on, the lime powder in the filling funnel 331 continuously falls onto the feeding rotating plate 320 through the funnel opening, and the lime powder is accumulated and heightened on the feeding rotating plate 320. In the process of lime powder accumulation, a rotating torque is generated on the feeding rotating plate 320 and the feeding rotating plate has a tendency of turning, but the feeding rotating plate 320 cannot rotate because the feeding control ejector rod 341 in the feeding control assembly 340 presses the feeding rotating plate 320 and the feeding control ejector rod 341 is pressed by the second reset elastic member 343. Finally, limestone powder is accumulated and increased and the funnel opening of the packing funnel 331 is blocked, so that the packing component 330 stops packing, at this time, the limestone powder accumulated on the feeding rotating plate 320 reaches the set preparation weight, and the moment on the feeding rotating plate 320 is increased enough to overcome the pressing force of the second reset elastic piece 343, that is, the second specific feeding condition is met, and preparation is made for preparing the lime cream solution. However, since the blocking rod 362 still presses the control ratchet 361, the feeding rotary plate 320 still cannot rotate;
as time goes by, the lime solution in the solution preparation tank 100 is decreased, the water level of the lime solution is decreased, the positions of the first buoyancy ball 264 and the second buoyancy ball 374 are decreased along with the decrease of the water level, and the turning trigger rod 262 and the rotating trigger rod 372 are slid and decreased along the first guide base 263 and the second guide base 373, respectively. In this process, the flip trigger cord 261 and the rotation trigger cord 371 are gradually changed from a relaxed state to a tensed state;
when the lime milk solution in the solution preparation tank 100 is about to be exhausted, the water level of the lime solution drops to the lowest point, the positions of the first buoyancy ball 264 and the turnover trigger rod 262 drop to the lowest point, at this time, the turnover trigger pull rope 261 pulls the turnover control push rod 252, so that the turnover control push rod 252 moves down along the sliding guide rod 253, the turnover control push rod 252 no longer presses the turnover control gear 251, and the first lock set 240 is in an unlocked state. The function of the turnover control push rod 252 is lost, the turnover hopper 220 is turned over to the left inclined plane 211 under the gravity of water, and the industrial water in the storage water tank 222 falls into the solution preparation tank 100 through the water injection port 110. At the same time, the water injection floating ball 231 and the water injection control rod 232 fall under the action of gravity, and the water inlet pipe 400 injects water into the storage water tank 222 again;
meanwhile, when the lime milk solution in the solution preparation tank 100 is about to be exhausted, the positions of the second buoyancy ball 374 and the rotating trigger rod 372 are lowered to the minimum, and at this time, the rotating trigger rod 372 pulls the blocking rod 362, so that the blocking rod 362 tilts and disengages from the control ratchet 361, that is, the second lock set 350 is in an unlocked state. When the stopping rod 362 is not held, the feeding rotating plate 320 jacks up the feeding control push rod 341 under the action of torque and rotates, and the lime powder on the feeding rotating plate 320 falls into the solution preparation tank 100 through the feeding port 120. At the same time, the feeding rotating plate 320 loses the moment enough for jacking the feeding control ejector rod 341, and the feeding control ejector rod 341 is pressed on the feeding rotating plate 320 again;
the newly injected industrial water and the newly added lime powder are mixed in the solution preparation tank 100 to prepare a new lime milk solution. With the entering of the new lime milk solution, the water level in the solution preparation tank 100 rises again, the first buoyancy ball 264 and the second buoyancy ball 374 return to the higher position, the turnover control ejector rod 252 presses the wheel surface of the control gear 251 again under the reset elastic force of the first reset elastic member 254, and the first lock set 240 is in a locked state; the blocking rod 362 tilts again under the action of gravity and presses the wheel surface of the control ratchet 361, and the second lock set 350 is in a locked state. Thus, the water injection and feeding of the current round are completed and the next round of circulation is carried out.
It should be noted that the feeding rotating plate 320 has a rotating boundary 322 (as shown in fig. 6) during the rotation, so that the leak port of the filling funnel 331 should be located outside the rotating boundary 322, and thus, not interfere with the rotation of the feeding rotating plate 320; meanwhile, the feeding control jack 341 must be located within the rotation boundary 322, and when the feeding control jack 341 is jacked up, the feeding control jack 341 needs to be located outside the rotation boundary 322.
In one embodiment, the material feeding adjustment rod 342 is screwed to the material feeding holder 310 by a screw, and the material feeding adjustment rod 342 is rotated to move the material feeding adjustment rod 342 up and down with respect to the material feeding holder 310, thereby adjusting the up and down of the material feeding control rod 341. The dropping of the feeding control ejector 341 means that the feeding control ejector 341 needs to be ejected for a longer distance before the feeding rotating plate 320 rotates, i.e. the larger elastic force of the first reset elastic member 254 is overcome, and therefore the required weight of the lime powder is larger. On the contrary, the feeding control ejector 341 rises, which means that the feeding control ejector 341 needs to be ejected a shorter distance before the feeding rotating plate 320 rotates, and the required weight of lime powder is smaller. Therefore, the weight of the limestone powder fed in each feeding process can be adjusted within a certain range, and the concentration of the lime milk solution prepared by locking can be adjusted under the condition that the water volume is not changed in each water injection process.
In one embodiment, the water injection blocking surface 235 is provided with a sealing ring (not shown), so as to better block the water inlet pipe 400.
In one embodiment, a first sliding sleeve 265 (as shown in fig. 4) is disposed on the first guiding base 263, and the turnover triggering rod 262 is movably disposed on the first sliding sleeve 265; the second guiding base 373 is provided with a second sliding sleeve 375 (as shown in fig. 6), and the rotating trigger rod 372 is movably disposed in the second sliding sleeve 375. In this way, the flip-flop trigger rod 262 and the rotating trigger rod 372 can slide on the first guide base 263 and the second guide base 373 more smoothly.
In one embodiment, the first elastic return element 254 is a spring structure, and the second elastic return element 343 is a spring structure, so that the first lock set 240 and the second lock set 350 can be quickly returned and locked again.
Next, the following is to be emphasized:
the automatic water injection assembly 230 is used for ensuring that water prepared each time reaches a set volume, when the water in the storage water tank 222 does not reach the set volume, the water injection floating ball 231 cannot reach a height enough to pass through the floating ball avoiding groove 223, and when the water in the storage water tank 222 does not reach the set volume, the overturning bucket 220 cannot overturn; when the water in the storage water tank 222 reaches a set volume, the automatic water injection assembly 230 stops injecting water, and the water in the storage water tank 222 is maintained at the set volume;
the feeding control component 340 is used for ensuring that the lime powder prepared each time reaches a set weight, and when the lime powder on the feeding rotating plate 320 does not reach the set weight, the feeding rotating plate 320 cannot overcome the elastic force of the first reset elastic member 254, that is, the feeding rotating plate 320 cannot turn over; when the lime powder reaches the set weight, the packing component 330 automatically stops packing due to the increase of the accumulation of the lime powder, and the lime powder on the feeding rotating plate 320 keeps at the set weight;
when the lime milk solution in the solution preparation tank 100 is about to be exhausted, the first lock group 240 and the second lock group 350 are triggered simultaneously, and water and lime powder which are prepared are put into the solution preparation tank 100. However, when the lime milk solution in the solution preparation tank 100 is about to be exhausted, if the water in the storage water tank 222 does not reach the set volume, the automatic water injection assembly 230 cannot complete the water injection operation; similarly, if the weight of the lime powder on the feeding rotating plate 320 does not reach the set weight, the feeding control assembly 340 cannot complete the feeding operation.
In conclusion, the lime milk preparation equipment 10 for desulfurization and denitrification can automatically prepare lime milk solution when meeting specific feeding conditions, and improves the production efficiency.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (7)
1. The lime milk preparation equipment for desulfurization and denitrification is characterized by comprising the following components: the device comprises a solution preparation pool, a water injection mechanism and a feeding mechanism;
the solution preparation pool is provided with a water injection port, a feed port and a water outlet, the water injection mechanism is arranged at the water injection port, and the feed mechanism is arranged at the feed port;
the water injection mechanism includes: the automatic water injection device comprises a water injection fixing frame, a turnover hopper, an automatic water injection assembly and a first lock group; the turnover hopper is rotatably arranged on the water injection fixing frame through a turnover shaft, the automatic water injection assembly is connected with an external water inlet pipe and is positioned above the turnover hopper, and the first lock group is used for locking or unlocking the turnover hopper;
the feeding mechanism comprises: the feeding device comprises a feeding fixing frame, a feeding rotating plate, a packing assembly, a feeding control assembly and a second lock group; the feeding fixing frame forms a feeding cavity, the feeding rotating plate is rotatably arranged in the feeding cavity, the packing assembly is arranged on the feeding fixing frame, and the feeding control assembly and the second lock group are used for locking or unlocking the feeding rotating plate;
the automatic water injection assembly includes: the water injection floating ball, the water injection control rod and the water injection sleeve are arranged on the water injection sleeve; the water injection sleeve is sleeved at the pipe orifice of the external water inlet pipe, the water injection sleeve forms a water injection control cavity, the water injection control rod is contained in the water injection control cavity in a sliding manner, and the water injection floating ball is arranged on the water injection control rod;
the water injection fixing frame is provided with a left inclined plane and a right inclined plane;
the overturning hopper is provided with two storage water tanks, and a floating ball avoiding groove is formed between the two storage water tanks of the overturning hopper;
the first lock group comprises a turnover braking component and a turnover triggering component; the overturning braking component is used for braking the overturning hopper, and the overturning triggering component is used for releasing the braking of the overturning hopper;
the roll-over brake assembly comprises: the overturning mechanism comprises an overturning control gear, an overturning control ejector rod and a sliding guide rod; the sliding guide rod is arranged on the water injection fixing frame, the turnover control ejector rod is arranged on the sliding guide rod through a first reset elastic piece, the turnover control ejector rod is pressed on or separated from a wheel surface of the turnover control gear, and the turnover control gear is fixedly connected to the turnover shaft;
the flip-flop assembly includes: the overturning device comprises an overturning trigger pull rope, an overturning trigger rod and a first guide base; the first guide base is fixed in the solution preparation pool, the overturning trigger rod is arranged on the first guide base in a lifting mode, a first buoyancy ball is arranged on the overturning trigger rod, and the overturning trigger rod is connected with the overturning control ejector rod through the overturning trigger pull rope;
the filler assembly comprises a filler funnel, and the filler funnel penetrates through the feeding fixing frame;
the feeding control assembly comprises a feeding control ejector rod and a feeding adjusting rod, the feeding adjusting rod is arranged on the feeding fixing frame, the feeding control ejector rod is arranged on the feeding adjusting rod through a second reset elastic piece, and the feeding control ejector rod is pressed and held or separated from the feeding rotating plate;
the second lock group comprises a rotating brake component and a rotating trigger component; the rotary braking assembly is used for braking the feeding rotating plate, and the rotary braking assembly enables the feeding rotating plate to release braking through the rotary triggering assembly;
the rotary brake assembly comprises a control ratchet wheel and a blocking rod, the control ratchet wheel is arranged on a rotating shaft of the feeding rotating plate, the blocking rod is rotatably arranged on the feeding fixing frame, and the blocking rod presses or is separated from the control ratchet wheel;
the rotary trigger assembly includes: the rotary trigger pull rope, the rotary trigger rod and the second guide base are arranged on the base; the second guide base is fixed in the solution preparation pool, the rotating trigger rod penetrates through the second guide base in a sliding mode, a second buoyancy ball is arranged on the rotating trigger rod, and the rotating trigger rod is connected with the blocking rod through the rotating trigger pull rope;
and a water injection blocking surface is formed on the water injection control rod.
2. The lime milk preparation equipment for desulfurization and denitrification according to claim 1, wherein a sealing ring is arranged on the water injection blocking surface.
3. The lime milk preparing apparatus for desulfurization and denitrification according to claim 1, wherein a first sliding sleeve is provided on the first guide base, and the turnover trigger bar is movably provided in the first sliding sleeve.
4. The lime milk preparing apparatus for desulfurization and denitrification according to claim 1, wherein a second sliding sleeve is provided on the second guide base, and the rotating trigger bar is movably provided in the second sliding sleeve.
5. The lime milk preparation equipment for desulfurization and denitrification according to claim 1, wherein the feeding adjusting rod is screwed on the feeding fixing frame through threads.
6. The lime milk preparing apparatus for desulfurization and denitrification according to claim 1, wherein the first return elastic member is of a spring structure.
7. The lime milk preparing apparatus for desulfurization and denitrification according to claim 1, wherein the second return elastic member is of a spring structure.
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| CN202010931919.8A CN111992063B (en) | 2020-09-08 | 2020-09-08 | Lime milk preparation equipment for desulfurization and denitrification |
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| CN202010931919.8A CN111992063B (en) | 2020-09-08 | 2020-09-08 | Lime milk preparation equipment for desulfurization and denitrification |
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