CN217023744U - Desulfurized gypsum grinding anti-blocking mechanism - Google Patents

Abstract

The utility model discloses a desulfurized gypsum grinding and anti-blocking mechanism which comprises a transmission mechanism for preventing return material blocking, a rotary blanking mechanism for assisting a composite material to fall, an air cannon mechanism and an intermittent mechanism for improving the impact effect of the air cannon mechanism, wherein the lower end of the transmission mechanism is connected with the blanking mechanism, the rotary blanking mechanism is connected onto the blanking mechanism, the air cannon mechanism is installed on the upper side surface of the blanking mechanism, and the intermittent mechanism is installed at the rear end of the air cannon mechanism. The utility model relates to full-automatic rotary blanking: the full-automatic rotary blanking of the feeding bin is realized, and the continuity is strong. The problem of gypsum moisture great, viscosity big, cause the unloading not smooth and stifled the circumstances such as die feed opening, artifical frequent material poking, disconnected material, effectively guarantee equipment operating rate and product quality is solved, utilize regularly to blow and beat and the pulse blows and beats the mode, improved and blown and beat the effect and energy can be saved simultaneously to avoid the air pocket, improve and blow and beat efficiency.

Description

Desulfurized gypsum grinding anti-blocking mechanism

Technical Field

The utility model relates to the field of desulfurized gypsum processing, in particular to a desulfurized gypsum grinding anti-blocking mechanism.

Background

In the cement production process, the setting time of the cement is adjusted by the SO3 content in the finished cement, the company sets materials by a central control operator according to a desulfurized gypsum batching scheme issued by a laboratory, and the electronic belt weigher feeds the materials according to the set proportion, SO that the purpose of adjusting the SO3 content in the finished cement is achieved. The main component of the desulfurized gypsum is calcium sulfate dihydrate (CaSO4 & 2H2O) which is an indispensable retarder for ensuring the quality of cement in a cement ingredient system, and the addition amount of the desulfurized gypsum has great influence on the quality of the cement.

Because the desulfurized gypsum has large water content (the content is 10-20 percent) and high viscosity, the situations of material adhesion and feed opening, small feed bin adhesion, scale body sensor damage caused by impacting a belt scale sometimes, uneven feeding, material breakage and the like often occur in the production period; the cement mill desulfurized gypsum enters the mill scraper-trough conveyer and is wear-resisting resin plate, 4.5 meters long, 0.49 meters wide, the scraper-trough conveyer slope is about 60 degrees, in addition desulfurized gypsum moisture is big, the characteristic that viscosity is big, the gypsum enters the unloading scraper-trough conveyer and needs the manual work to regularly clear up the unloading scraper-trough conveyer, clear up the frequency many (clear up once in 20 minutes), intensity of labour is big, can block up and fill in the mill scraper-trough conveyer in serious occasion and make the bistrique scraper-trough conveyer return the cigarette, the degree of difficulty of clearing up is big, will cause the cement mill to stop the material and shut down in serious occasion, not only wasted a large amount of material resources and manpower, but also influenced finished product cement quality and the machine hour output of cement grinding system.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide a desulfurization gypsum grinding anti-blocking mechanism.

The utility model achieves the above purpose through the following technical scheme:

a desulfurized gypsum grinding and anti-blocking mechanism comprises a transmission mechanism for preventing return material blocking, a rotary blanking mechanism for assisting composite material falling, an air cannon mechanism and an intermittent mechanism for improving the impact effect of the air cannon mechanism, wherein the lower end of the transmission mechanism is connected with the blanking mechanism, the rotary blanking mechanism is connected onto the blanking mechanism, the air cannon mechanism is mounted on the upper side surface of the blanking mechanism, and the intermittent mechanism is mounted at the rear end of the air cannon mechanism;

the conveying mechanism comprises a return material scraper-trough conveyer of the original efficient powder concentrator, a return material scraper-trough conveyer of the existing efficient powder concentrator, a first valve and a second valve, wherein the return material scraper-trough conveyer of the existing efficient powder concentrator is arranged on one side of the return material scraper-trough conveyer of the original efficient powder concentrator, the first valve is arranged at an upper inlet of the return material scraper-trough conveyer of the original efficient powder concentrator, the second valve is arranged at an upper inlet of the return material scraper-trough conveyer of the existing efficient powder concentrator, a return material scraper-trough conveyer outlet of the existing efficient powder concentrator is connected with a desulfurized gypsum scraper-trough conveyer, and the lower end of the return material scraper-trough conveyer of the original efficient powder concentrator is connected with a cement mill;

the blanking mechanism comprises a belt scale sealing shell, a belt scale conveyor, a top blanking hopper and a reamer motor, the belt scale conveyor is connected with the cement mill through the belt scale sealing shell, the upper end of the belt scale sealing shell is connected with the rotary blanking mechanism, the upper end of the rotary blanking mechanism is connected with a bottom blanking hopper, the top blanking hopper is mounted at the upper end of the bottom blanking hopper, the reamer motor is mounted at the front end of the belt scale conveyor, a reamer is mounted at the power output end of the reamer motor, the reamer is located inside the belt scale conveyor, and an outer support frame is connected to the outer portion of the belt scale conveyor;

the rotary blanking mechanism comprises a rotary hopper, a rotary supporting seat, a rotary motor and a driving bevel gear, wherein a driven bevel gear is connected to the outer part of the middle end of the rotary hopper, one end of the driven bevel gear is connected with the driving bevel gear, the power input end of the driving bevel gear is connected with the rotary motor, the rotary supporting seat is arranged on the outer side of the driven bevel gear, the rotary motor is installed at one end of the rotary supporting seat, the outer part of the rotary supporting seat is connected with the outer supporting frame, and a bottom fixing hopper is arranged at the lower end of a sealing shell of the belt scale;

the air bubble mechanism includes air pump, intake pipe, a set section of thick bamboo, hyperbaric chamber, the air pump is installed belt weigher conveyer one side, the air pump output passes through intake-tube connection a set section of thick bamboo, a set section of thick bamboo is inside to be provided with a hyperbaric chamber, hyperbaric chamber with be provided with a plurality of nozzle, a plurality of between the belt weigher conveyer form a 150 degree contained angles between the nozzle, hyperbaric chamber with be provided with the intermittent type shielding plate between the nozzle, the shaping has the bleeder vent on the intermittent type shielding plate.

Preferably, the following components: the intermittent mechanism comprises an intermittent cylinder, the intermittent cylinder is installed at the rear end of the concentration barrel, and a piston rod of the intermittent cylinder extends into the concentration barrel and is connected with the intermittent shielding plate.

So set up, intermittent type cylinder start-up back intermittent type drives intermittent type shielding plate sideslip to make the air pump for the high-pressure gas that the nozzle provided forms pulse atmospheric pressure and jets inside the belt weigher conveyer, prevents that the gypsum scraper-trough conveyer blanking gypsum from piling up.

Preferably: the intermittent mechanism comprises an intermittent motor, a rotating disk and an intermittent connecting rod, the intermittent motor is installed at the upper end of the concentration barrel, the rotating disk is installed at the power output end of the intermittent motor, the rotating disk is connected with the intermittent connecting rod through a pin shaft, and one end of the intermittent connecting rod is connected with the intermittent shielding plate.

According to the arrangement, the rotating disc is driven to rotate after the intermittent motor is started, so that the intermittent connecting rod intermittently drives the intermittent shielding plate to transversely move, the air pump forms pulse air pressure for high-pressure air provided by the nozzle to blow the inside of the belt scale conveyor, and the falling gypsum accumulation of a gypsum scraper-trough conveyer is prevented.

Preferably, the following components: the high-efficiency powder concentrator feed back scraper-trough conveyer is connected with the desulfurized gypsum scraper-trough conveyer through a flange, the second valve is connected with the first valve through a flange, and the high-efficiency powder concentrator feed back scraper-trough conveyer is vertical to the ground.

So set up, present high-efficient selection powder machine feed back swift current with the desulfurization gypsum swift current is connected perpendicularly basically, avoids returning the powder material bonding, makes high-efficient selection powder machine have the feed back of certain high temperature and the abundant mixing of the great desulfurization gypsum of moisture, viscosity simultaneously, and it is smooth and easy that the desulfurization gypsum that can effectively dry makes the gypsum unloading, avoids the long-pending material of desulfurization gypsum swift current, putty.

Preferably: the belt weigher sealing shell is connected with the cement mill through a flange and a sealing ring, and the belt weigher sealing shell is connected with the bottom fixing hopper through a flange.

So set up, the fixed hopper discharge end in bottom and cement mill feed end are sealed, play the lock wind effect, make the bistrique keep sufficient negative pressure.

Preferably: the rotary hopper is rotatably connected with the rotary supporting seat and the bottom fixing hopper, and the rotary supporting seat and the bottom fixing hopper are connected with the outer supporting frame through supporting frames.

So set up, rotatory hopper is rotatory under the drive of rotating electrical machines and passive bevel gear for the combined material is avoided taking place the bonding at the whereabouts process, has realized the full-automatic rotatory unloading of feeding bin, and the continuity is strong, has solved that gypsum moisture is great, viscosity is big, causes the unloading not smooth and stops up the feed opening, the artifical condition such as frequently disclosing the material, disconnected material, effectively guarantees equipment operating rate and product quality.

Preferably, the following components: the concentration cylinder is positioned at the interface of the top blanking hopper and the desulfurized gypsum scraper-trough conveyer.

So set up, it is located the compound material entry position to concentrate a section of thick bamboo after raising to guarantee that atmospheric pressure can make the inside compound material of belt weigher conveyer fully pressurized, avoid bonding.

Preferably: the nozzle, the rotating electrical machines integrated into one piece in the section of thick bamboo that gathers.

So set up, the nozzle is used for multidirectional blowing, improves the atmospheric pressure covering surface.

Preferably, the following components: the intermittent shielding plate is connected with the concentration cylinder in a sliding mode.

So set up, intermittent type shielding plate cooperation the section of thick bamboo that gathers to make atmospheric pressure form the pulse, avoid lasting blowing to form the air pocket, cause partial point position composite material bonding.

Preferably, the following components: and a timing electromagnetic relay is arranged on the air pump.

By the arrangement, a timing starting mode is utilized, so that a blowing effect can be guaranteed, and resources can be saved.

Compared with the prior art, the utility model has the following beneficial effects:

1. full-automatic rotary blanking: the full-automatic rotary blanking of the feeding bin is realized, and the continuity is strong. The problems that the discharging is not smooth and the discharging port is blocked, the materials are poked frequently by manpower, the materials are broken and the like caused by large water content and high viscosity of gypsum are solved, and the operation rate of equipment and the product quality are effectively ensured;

2. the timing blow-beating and pulse blow-beating modes are utilized, so that the blow-beating effect is improved, energy is saved, air pockets are avoided, and the blow-beating efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a first structure of a desulfurized gypsum grinding and anti-blocking mechanism according to the utility model;

FIG. 2 is a schematic view of a second structure of the desulfurized gypsum grinding and anti-blocking mechanism of the utility model;

FIG. 3 is a schematic structural view of a feed back scraper-trough conveyer of the existing high-efficiency powder concentrator of the desulfurized gypsum grinding anti-blocking mechanism of the utility model;

FIG. 4 is a schematic structural diagram of a blanking mechanism of the desulfurized gypsum grinding and anti-blocking mechanism of the utility model;

FIG. 5 is a schematic structural diagram of an air cannon mechanism of the desulfurized gypsum grinding and anti-blocking mechanism of the utility model;

FIG. 6 is a schematic view of a nozzle structure of a desulfurized gypsum grinding and anti-blocking mechanism according to the utility model;

FIG. 7 is a schematic structural view of a rotary blanking mechanism of the desulfurized gypsum grinding and anti-blocking mechanism according to the utility model;

FIG. 8 is a schematic view of a batch cylinder structure of a desulfurized gypsum grinding and anti-blocking mechanism according to the utility model;

FIG. 9 is a schematic structural view of a rotating disk of the desulfurized gypsum grinding and anti-blocking mechanism of the utility model.

The reference numerals are explained below:

1. a transport mechanism; 2. a blanking mechanism; 3. rotating the blanking mechanism; 4. an air cannon mechanism; 5. an intermittent mechanism; 11. returning the feed chute of the original high-efficiency powder concentrator; 12. returning a feed chute of the high-efficiency powder concentrator; 13. a first valve; 14. a second valve; 15. grinding cement; 16. desulfurizing gypsum scraper-trough conveyer; 21. a belt scale sealing shell; 22. a belt scale conveyor; 23. a top blanking hopper; 24. a reamer motor; 25. a reamer; 26. a bottom blanking hopper; 27. An outer support frame; 31. rotating the hopper; 32. rotating the supporting seat; 33. a rotating electric machine; 34. a drive bevel gear; 35. a driven bevel gear; 36. a bottom fixed hopper; 41. an air pump; 42. an air inlet pipe; 43. a concentration cylinder; 44. a high-pressure cabin; 45. a nozzle; 46. an intermittent shielding plate; 47. air holes are formed; 51. an intermittent cylinder; 511. An intermittent motor; 512. rotating the disc; 513. an intermittent linkage.

Detailed Description

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience in describing the present invention and for simplicity in description, but do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The utility model will be further described with reference to the accompanying drawings in which:

example 1

As shown in fig. 1-8, a desulfurized gypsum grinding anti-blocking mechanism comprises a transmission mechanism 1 for preventing return material blocking, a rotary blanking mechanism 3 for assisting composite material falling, an air cannon mechanism 4 and an intermittent mechanism 5 for improving the impact effect of the air cannon mechanism 4, wherein the lower end of the transmission mechanism 1 is connected with the blanking mechanism 2, the rotary blanking mechanism 3 is connected with the blanking mechanism 2, the air cannon mechanism 4 is installed on the upper side surface of the blanking mechanism 2, and the intermittent mechanism 5 is installed at the rear end of the air cannon mechanism 4;

the transmission mechanism 1 comprises a return slide 11 of the original high-efficiency powder concentrator, a return slide 12 of the existing high-efficiency powder concentrator, a first valve 13 and a second valve 14, wherein the return slide 12 of the existing high-efficiency powder concentrator is arranged on one side of the return slide 11 of the original high-efficiency powder concentrator, the first valve 13 is arranged at the upper inlet of the return slide 11 of the original high-efficiency powder concentrator, the second valve 14 is arranged at the upper inlet of the return slide 12 of the existing high-efficiency powder concentrator, the outlet of the return slide 12 of the existing high-efficiency powder concentrator is connected with a desulfurized gypsum slide 16, and the lower end of the return slide 11 of the original high-efficiency powder concentrator is connected with a cement mill 15;

the blanking mechanism 2 comprises a belt scale sealing shell 21, a belt scale conveyor 22, a top blanking hopper 23 and a reamer motor 24, the belt scale conveyor 22 is connected with the cement mill 15 through the belt scale sealing shell 21, the upper end of the belt scale sealing shell 21 is connected with the rotary blanking mechanism 3, the upper end of the rotary blanking mechanism 3 is connected with the bottom blanking hopper 26, the top blanking hopper 23 is installed at the upper end of the bottom blanking hopper 26, the reamer motor 24 is installed at the front end of the belt scale conveyor 22, a reamer 25 is installed at the power output end of the reamer motor 24, the reamer 25 is located inside the belt scale conveyor 22, and an outer supporting frame 27 is connected to the outer portion of the belt scale conveyor 22;

the rotary blanking mechanism 3 comprises a rotary hopper 31, a rotary support seat 32, a rotary motor 33 and a driving bevel gear 34, wherein the outer part of the middle end of the rotary hopper 31 is connected with a driven bevel gear 35, one end of the driven bevel gear 35 is connected with the driving bevel gear 34, the power input end of the driving bevel gear 34 is connected with the rotary motor 33, the outer side of the driven bevel gear 35 is provided with the rotary support seat 32, the rotary motor 33 is arranged at one end of the rotary support seat 32, the outer part of the rotary support seat 32 is connected with an outer support frame 27, and the lower end of a belt scale sealing shell 21 is provided with a bottom fixed hopper 36;

air bubble mechanism 4 includes air pump 41, intake pipe 42, concentrate a section of thick bamboo 43, high-pressure chamber 44, air pump 41 is installed in belt weigher conveyer 22 one side, air pump 41 output passes through intake pipe 42 and connects a section of thick bamboo 43 that concentrates, concentrate the inside high-pressure chamber 44 that is provided with of a section of thick bamboo 43, be provided with a plurality of nozzle 45 between high-pressure chamber 44 and the belt weigher conveyer 22, form a 150 degrees contained angles between a plurality of nozzle 45, be provided with intermittent type shielding plate 46 between high-pressure chamber 44 and the nozzle 45, the shaping has bleeder vent 47 on the intermittent type shielding plate 46.

Preferably: the intermittent mechanism 5 comprises an intermittent cylinder 51, the intermittent cylinder 51 is arranged at the rear end of the concentration barrel 43, a piston rod of the intermittent cylinder 51 extends into the concentration barrel 43 and is connected with an intermittent baffle plate 46, and the intermittent cylinder 51 intermittently drives the intermittent baffle plate 46 to transversely move after being started, so that high-pressure gas provided by the air pump 41 for the nozzle 45 forms pulse air pressure to blow the inside of the belt scale conveyor 22, and the falling gypsum of a gypsum scraper is prevented from being accumulated; the return chute 12 of the existing high-efficiency powder concentrator is connected with the desulfurized gypsum chute 16 through a flange, the second valve 14 is connected with the first valve 13 through a flange, the return chute 12 of the existing high-efficiency powder concentrator is vertical to the ground, the return chute 12 of the existing high-efficiency powder concentrator is basically vertical to the desulfurized gypsum chute 16, the adhesion of the return powder is avoided, meanwhile, the return material with certain high temperature of the high-efficiency powder concentrator is fully and uniformly mixed with the desulfurized gypsum with high moisture and viscosity, the desulfurized gypsum can be effectively dried, the discharging of the gypsum is smooth, and the accumulation and blocking of the desulfurized gypsum chute are avoided; the belt weigher sealing shell 21 is connected with the cement mill 15 through a flange and a sealing ring, the belt weigher sealing shell 21 is connected with the bottom fixing hopper 36 through a flange, and the discharge end of the bottom fixing hopper 36 is sealed with the feed end of the cement mill 15, so that an air locking effect is achieved, and the grinding head is enabled to keep enough negative pressure; the rotary hopper 31 is rotatably connected with the rotary supporting seat 32 and the bottom fixing hopper 36, the rotary supporting seat 32 and the bottom fixing hopper 36 are connected with the outer supporting frame 27 through the supporting frame, and the rotary hopper 31 is driven by the rotary motor 33 and the driven bevel gear 35 to rotate, so that the compound material is prevented from being bonded in the falling process, the full-automatic rotary blanking of the feeding bin is realized, and the continuity is high. The problems that the discharging is not smooth, the discharging port is blocked, the materials are poked manually frequently, the materials are broken and the like caused by large water content and high viscosity of the gypsum are solved, and the operation rate of equipment and the product quality are effectively ensured; the concentration barrel 43 is positioned at the interface of the top blanking hopper 23 and the desulfurized gypsum scraper-trough conveyor 16, and the concentration barrel 43 is positioned at the composite material inlet after being lifted, so that the composite material in the belt weigher conveyor 22 can be fully pressed by air pressure, and bonding is avoided; the nozzle 45 and the rotating motor 33 are integrally formed on the concentration cylinder 43, and the nozzle 45 is used for multi-directional air blowing to improve the air pressure coverage; the intermittent baffle plate 46 is connected with the concentration cylinder 43 in a sliding mode, and the intermittent baffle plate 46 is matched with the concentration cylinder 43, so that air pressure forms pulses, and the phenomenon that air pockets are formed by continuous blowing to cause bonding of part of point position composite materials is avoided; the air pump 41 is provided with a timing electromagnetic relay, and a timing starting mode is utilized, so that the blowing effect can be guaranteed, and resources can be saved.

Example 2

As shown in fig. 9, the present embodiment is different from embodiment 1 in that:

the intermittent mechanism 5 comprises an intermittent motor 511, a rotating disc 512 and an intermittent connecting rod 513, wherein the intermittent motor 511 is arranged at the upper end of the concentration cylinder 43, the rotating disc 512 is arranged at the power output end of the intermittent motor 511, the rotating disc 512 is connected to the rotating disc 512 through a pin shaft, one end of the intermittent connecting rod 513 is connected with an intermittent shielding plate 46, and the rotating disc 512 is driven to rotate after the intermittent motor 511 is started, so that the intermittent connecting rod 513 intermittently drives the intermittent shielding plate 46 to transversely move, high-pressure gas provided by the air pump 41 for the nozzle 45 forms pulse air pressure to blow the inside of the belt scale conveyor 22, and the falling gypsum of a gypsum scraper is prevented from being accumulated.

The working principle is as follows: after the cement mill 15 is started, because of sealing treatment, negative pressure in the cement mill 15 continuously sucks the direction of the belt scale sealing shell 21, the existing high-efficiency powder concentrator feed back slide 12 is changed to the feed opening of the desulfurized gypsum slide 16 to converge, the first valve 13 is closed, the second valve 14 is opened, because the verticality of the improved existing high-efficiency powder concentrator feed back slide 12 is larger, feed back with certain high temperature of the high-efficiency powder concentrator is fully and uniformly mixed with desulfurized gypsum with larger moisture and viscosity, the desulfurized gypsum can be effectively dried to ensure smooth feeding of the gypsum, accumulation and blockage of the desulfurized gypsum slide are avoided, meanwhile, at the interface between the desulfurized gypsum slide 16 and the belt scale conveyor 22, the air pump 41 is started, the nozzle 45 can blow out high-pressure air to blow out composite materials, and the intermittent air cylinder 51 or the intermittent motor 511 can be simultaneously used for controlling the air pressure, the composite material falls into the rotating hopper 31 after being blown and beaten, reaches the belt weigher conveyor 22 after the auxiliary blanking of the rotating hopper 31, and is sucked by negative pressure in a space formed by the belt weigher conveyor 22 and the belt weigher sealing shell 21 so as to be conveyed to the cement mill 15.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims (10)

1. The utility model provides a desulfurization gypsum goes into to grind prevents stifled mechanism which characterized in that: the composite material falling device comprises a transmission mechanism (1) for preventing return material blockage, a rotary blanking mechanism (3) for assisting composite material falling, an air cannon mechanism (4) and an intermittent mechanism (5) for improving the impact effect of the air cannon mechanism (4), wherein the lower end of the transmission mechanism (1) is connected with the blanking mechanism (2), the rotary blanking mechanism (3) is connected onto the blanking mechanism (2), the air cannon mechanism (4) is installed on the upper side surface of the blanking mechanism (2), and the intermittent mechanism (5) is installed at the rear end of the air cannon mechanism (4);

the conveying mechanism (1) comprises an original high-efficiency powder concentrator feed back scraper-trough conveyer (11), an existing high-efficiency powder concentrator feed back scraper-trough conveyer (12), a first valve (13) and a second valve (14), wherein the existing high-efficiency powder concentrator feed back scraper-trough conveyer (12) is arranged on one side of the original high-efficiency powder concentrator feed back scraper-trough conveyer (11), the first valve (13) is arranged at an upper inlet of the original high-efficiency powder concentrator feed back scraper-trough conveyer (11), the second valve (14) is arranged at an upper inlet of the existing high-efficiency powder concentrator feed back scraper-trough conveyer (12), an outlet of the existing high-efficiency powder concentrator feed back scraper-trough conveyer (12) is connected with a desulfurized gypsum scraper-trough conveyer (16), and the lower end of the original high-efficiency powder concentrator feed back scraper-trough conveyer (11) is connected with a cement mill (15);

the blanking mechanism (2) comprises a belt scale sealing shell (21), a belt scale conveyor (22), a top blanking hopper (23) and a reamer motor (24), the belt scale conveyor (22) is connected with the cement mill (15) through the belt scale sealing shell (21), the upper end of the belt scale sealing shell (21) is connected with the rotary blanking mechanism (3), the upper end of the rotary blanking mechanism (3) is connected with a bottom blanking hopper (26), the upper end of the bottom blanking hopper (26) is provided with the top blanking hopper (23), the reamer motor (24) is installed at the front end of the belt scale conveyor (22), a reamer (25) is installed at the power output end of the reamer motor (24), the reamer (25) is positioned inside the belt scale conveyor (22), and an outer support frame (27) is connected to the outside of the belt scale conveyor (22);

the rotary blanking mechanism (3) comprises a rotary hopper (31), a rotary supporting seat (32), a rotary motor (33) and a driving bevel gear (34), a driven bevel gear (35) is connected to the outer portion of the middle end of the rotary hopper (31), one end of the driven bevel gear (35) is connected with the driving bevel gear (34), the power input end of the driving bevel gear (34) is connected with the rotary motor (33), the rotary supporting seat (32) is arranged on the outer side of the driven bevel gear (35), the rotary motor (33) is installed at one end of the rotary supporting seat (32), the outer supporting seat (27) is connected to the outer portion of the rotary supporting seat (32), and a bottom fixing hopper (36) is arranged at the lower end of the belt scale sealing shell (21);

air bubble mechanism (4) are including air pump (41), intake pipe (42), a section of thick bamboo of concentrating (43), hyperbaric chamber (44), air pump (41) are installed belt weigher conveyer (22) one side, air pump (41) output passes through intake pipe (42) are connected a section of thick bamboo of concentrating (43), a section of thick bamboo of concentrating (43) inside is provided with hyperbaric chamber (44), hyperbaric chamber (44) with be provided with a plurality of nozzle (45) between belt weigher conveyer (22), a plurality of form a 150 degrees contained angles between nozzle (45), hyperbaric chamber (44) with be provided with intermittent type shielding plate (46) between nozzle (45), the shaping has bleeder vent (47) on intermittent type shielding plate (46).

2. The desulfurized gypsum grinding and anti-blocking mechanism of claim 1, wherein: the intermittent mechanism (5) comprises an intermittent cylinder (51), the intermittent cylinder (51) is installed at the rear end of the concentration cylinder (43), and a piston rod of the intermittent cylinder (51) extends into the concentration cylinder (43) and is connected with the intermittent shielding plate (46).

3. The desulfurized gypsum grinding and anti-blocking mechanism of claim 1, wherein: intermittent type mechanism (5) are including intermittent type motor (511), rotary disk (512), intermittent type connecting rod (513), install intermittent type motor (511) concentrated section of thick bamboo (43) upper end, intermittent type motor (511) power take off end installs rotary disk (512), there is intermittent type connecting rod (513) through the round pin hub connection on rotary disk (512), intermittent type connecting rod (513) one end is connected intermittent type shielding plate (46).

4. The desulfurized gypsum grinding and anti-blocking mechanism of claim 1, wherein: the high-efficiency powder concentrator feed back scraper-trough conveyer (12) is connected with the desulfurized gypsum scraper-trough conveyer (16) through a flange, the second valve (14) is connected with the first valve (13) through a flange, and the high-efficiency powder concentrator feed back scraper-trough conveyer (12) is vertical to the ground.

5. The desulfurized gypsum grinding and anti-blocking mechanism of claim 1, which is characterized in that: the belt weigher sealing shell (21) is connected with the cement mill (15) through a flange and a sealing ring, and the belt weigher sealing shell (21) is connected with the bottom fixing hopper (36) through a flange.

6. The desulfurized gypsum grinding and anti-blocking mechanism of claim 1, wherein: the rotary hopper (31) is rotationally connected with the rotary supporting seat (32) and the bottom fixing hopper (36), and the rotary supporting seat (32) and the bottom fixing hopper (36) are connected with the outer supporting frame (27) through supporting frames.

7. The desulfurized gypsum grinding and anti-blocking mechanism of claim 1, wherein: the concentration cylinder (43) is positioned at the interface of the top blanking hopper (23) and the desulfurization gypsum scraper-trough conveyer (16).

8. The desulfurized gypsum grinding and anti-blocking mechanism of claim 1, wherein: the nozzle (45) and the rotating motor (33) are integrally formed on the concentration cylinder (43).

9. The desulfurized gypsum grinding and anti-blocking mechanism of claim 1, wherein: the intermittent shielding plate (46) is connected with the concentration cylinder (43) in a sliding way.

10. The desulfurized gypsum grinding and anti-blocking mechanism of claim 1, wherein: and a timing electromagnetic relay is arranged on the air pump (41).

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