CN210847618U - Fly ash solidification chelation device - Google Patents

Abstract

The utility model relates to a flying dust solidification chelation device, include: the driving mechanism comprises a rack, a transmission assembly and a lifting assembly; the stirring mechanism comprises a stirring box body and a stirring component; the proportioning mechanism comprises a storage box and a control assembly, and the control assembly is rotatably arranged on the lifting assembly; the utility model also relates to a fly ash solidification chelation method, which comprises a first step of batching; feeding fly ash and cement; step three, feeding a chelating agent; step four, throwing materials; step five, mixing; step six, stirring; step seven, outputting; the utility model provides a granulation mechanism carry out the granulation during operation each time, unable accurate ration input cement ash mixes the ratio with the flying dust, causes the cement ash too much waste raw and other materials or the flying dust is too much, is not handled completely and carries out the technical problem of granulation.

Description

Fly ash solidification chelation device

Technical Field

The utility model relates to a waste incineration handles technical field, especially relates to a flying dust solidification chelation device.

Background

The fly ash is the inevitable product of waste incineration, and accounts for about 3% -5% of the amount of the incinerated waste. In the fly ash of the garbage incinerator, inorganic matters are taken as main materials, heavy metal elements with high leaching rate, such as pb, Cr, Cd and the like, and a certain amount of dioxin adsorbed on the fly ash are added, and if the fly ash is directly buried without pretreatment, the heavy metals are leached and migrated, so that secondary pollution is caused to soil and underground water.

Patent document No. CN2018104307835 discloses a fly ash granulation device and a granulation incineration system, which comprise a granulation mechanism, a granulator, a screening mechanism and a first hopper lifter; the granulating mechanism, the granulator and the screening mechanism are arranged from top to bottom and are communicated in sequence; the feed inlet of the first bucket elevator is communicated with the screening mechanism, and the discharge outlet of the first bucket elevator is communicated with the granulating mechanism. The granules manufactured by the fly ash granulation system have certain strength and uniform strength; the number of the fly ash particles in the finished product bin can be measured, the production speed is adjusted according to the number of the fly ash particles in the finished product bin, the number of the fly ash particles entering the reaction kettle is further controlled, and the calcination effect is ensured.

However, in the actual use process, utility model people find the following problems:

1. when the granulation mechanism carries out granulation every time, cement and fly ash cannot be accurately and quantitatively input for mixing and proportioning, so that excessive cement wastes raw materials or excessive fly ash is not completely treated for granulation;

2. when the granulation mechanism carries out granulation work each time, a chelating agent needs to be added, and the work cannot be continuously carried out due to the fact that the chelating agent cannot be timely supplied; at the same time, the amount of the chelating agent needs to be additionally controlled;

3. fly ash, cement and chelating agent cannot be mixed uniformly before granulation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the defects of the prior art, and provides a fly ash solidification chelating device, which is characterized in that a proportioning mechanism is arranged, when a lifting component descends, cement and fly ash are quantitatively mixed and proportioned, and then a chelating agent conveying mechanism is matched to complete the quantitative supply work of a chelating agent; when the lifting assembly is lifted, cement and fly ash in the control assembly can be scattered into the stirring box body under the action of centrifugal force respectively, and meanwhile, the chelating agent conveying mechanism is reused to finish the chelating agent entering the stirring box body and spraying and mixing with the cement and the fly ash, so that the technical problems that the fly ash, the cement and the chelating agent cannot be subjected to refined proportioning and mixing uniformly cannot be realized after accurate proportioning, and the granulation quality is influenced are solved.

Aiming at the technical problems, the technical scheme is as follows: a fly ash solidification sequestration apparatus comprising:

the driving mechanism comprises a rack, a transmission assembly and a lifting assembly, wherein the transmission assembly is installed on the rack and horizontally arranged, and the lifting assembly is matched with the transmission assembly for synchronous transmission and vertically slides along the vertical direction of the rack;

the stirring mechanism comprises a stirring box body which is arranged on the rack and is positioned right above the transmission assembly and a uniform beating assembly which is arranged on the stirring box body in a penetrating way along the vertical direction and is vertical to the transmission assembly;

the proportioning mechanism comprises a storage box arranged above the stirring box body and a control assembly which is sleeved outside the uniform beating assembly and is positioned in the storage box, and the control assembly is rotatably arranged on the lifting assembly; and

chelating agent conveying mechanism, chelating agent conveying mechanism include with lifting unit fixed connection just is located the lifting subassembly of storage tank top and with lifting subassembly fixed connection just sets up in pairs the supply subassembly of storage tank both sides.

Preferably, the transmission assembly comprises:

the driving motor is fixedly arranged on one side of the rack;

the rotating rod is horizontally arranged, and one end of the rotating rod is fixedly connected with the output end of the driving motor; and

and the rotating disc is fixedly connected with the other end of the rotating rod penetrating through the side wall of the stirring box body.

Preferably, the lifting assembly comprises:

the connecting rod is vertically arranged, one end of the connecting rod is rotatably connected with a rotating shaft, and the rotating shaft is fixedly and eccentrically arranged on the rotating disc;

the lifting rod is rotatably connected with the other end of the connecting rod, and one end of the lifting rod penetrates through the stirring box body;

the sliding groove is formed in the side wall of the stirring box body along the vertical direction, and the lifting rod slides up and down in the sliding groove;

the baffle is fixedly connected with the lifting rod and is blocked at one side of the sliding chute; and

the support piece, the support piece is including setting up direction riser in the frame, set up on the direction riser and with the lifter size vertical guide way that suits and vertical fixing the guide bar in the guide way, the one end sliding fit of lifter is in the guide way and the activity suit is on the guide bar.

Preferably, the leveling assembly comprises:

the mounting rack is fixedly arranged on the stirring box body;

the driving shaft is rotatably mounted on the mounting frame and is vertically arranged, and the lower end of the driving shaft penetrates through the storage box;

the isolation cover is fixedly arranged on the rack and is positioned at the lower end of the driving shaft, the driving shaft penetrates through the isolation cover, and the top and the bottom of the isolation cover are both arc-shaped;

the worm wheel is fixedly sleeved on the driving shaft and positioned in the isolation cover, and the worm wheel is meshed with the rotating rod in a transmission fit; and

the stirring rod is fixedly arranged on the driving shaft and located in the stirring box body, and stirring short rods with equal intervals are reversely fixed at two ends of the stirring rod along the length direction.

Preferably, the inner cavity of the storage box is divided into a cement storage bin, a fly ash storage bin and an installation chamber communicated with the interior of the stirring box body;

the lower parts of the cement storage bin and the fly ash storage bin are provided with discharge channels communicated with the installation chamber, and the discharge channels face the installation chamber and are arranged obliquely downwards.

Preferably, the control assembly comprises:

the guide block is fixedly sleeved on the driving shaft and is arranged in an inverted frustum structure, and the lower bottom surface of the guide block is positioned above the discharging channel;

the adjusting piece comprises a bulk material barrel which is matched in the installation cavity in a sliding mode and is provided with an opening at the upper part, a partition plate which is fixedly arranged on the inner side of the bulk material barrel and is provided with an outlet groove, a plurality of groups of bulk material holes which are uniformly distributed at the lower end of the bulk material barrel and are circumferentially arranged, a connecting pipe which is fixedly connected with the lower end of the bulk material barrel and is inserted at the end part of the lifting rod, and a limiting ring which is coaxial with and fixedly connected with the connecting pipe;

the driving shaft slides in the inlet and outlet groove, and the inlet and outlet groove is matched with the guide block; the limiting ring is positioned at the lower end of the lifting rod, and the diameter of the limiting ring is larger than that of the connecting pipe; the bulk material barrel is divided into two chambers by the partition board and is respectively arranged corresponding to the two discharging channels;

when the adjusting piece contacts with the guide block, the adjusting piece rotates synchronously along with the driving shaft to carry out bulk cargo, and when the adjusting piece is not in contact with the guide block, the adjusting piece finishes the feeding work of raw materials.

Preferably, the lift assembly comprises:

the pull rod is fixedly connected with the lifting rod and is vertically arranged; and

and the bearing plate is fixedly connected with the pull rod and horizontally arranged.

Preferably, the supply assembly comprises:

the charging box is mounted on the rack, and a discharging port is formed in the side wall of one side, facing the storage box, of the charging box;

the intermittent conveying piece is arranged on one side, facing the storage box, of the charging box and is in fit contact with the side wall of the storage box; and

and the extrusion part is arranged on the other side of the intermittent conveying member relative to the charging box and is in contact with the side wall of the intermittent conveying member in a fitting manner.

Preferably, the intermittent conveyor includes:

the extension tube is vertically arranged, and one end of the extension tube is fixedly connected with the bearing plate;

the middle rotating seat is fixedly connected with the other end of the telescopic pipe and is provided with a Z-shaped channel; and

and the upper end of the elastic unit a is fixedly connected with the lower surface of the middle rotary seat, and the lower end of the elastic unit a is fixedly connected with the rack.

As yet further preferred, the extrusion comprises:

the upper end of the elastic unit b is fixedly connected with the bearing plate, and the lower end of the elastic unit b is provided with a connecting plate;

the piston rod is fixedly connected with one end of the connecting plate;

the transfer box is provided with a feed inlet, and the lower end of the piston rod is arranged in the transfer box in a sliding manner;

the transmission pipe penetrates through the upper part of the stirring box body and is arranged in a multi-section structure;

one end of the hose is communicated with the transmission pipe, and the other end of the hose is communicated with the interior of the transit box;

the spray heads are fixedly arranged in the stirring box body and are communicated with the transmission pipe, conical chambers are formed in the spray heads, and the spray heads are uniformly provided with spray nozzles at equal intervals; and

the guide plate is fixedly arranged in the stirring box body and is obliquely arranged, and the guide plate is positioned between the spray head and the bulk material barrel.

The utility model has the advantages that:

(1) by arranging the proportioning mechanism, when the lifting component descends, cement and fly ash are quantitatively mixed and proportioned, and then the chelating agent conveying mechanism is matched to complete the quantitative supply work of the chelating agent; when the lifting assembly is lifted, cement and fly ash in the control assembly can fall into the stirring box body under the action of centrifugal force respectively, so that the cement and the fly ash can fall uniformly, the mixing effect can be better uniform, and meanwhile, the chelating agent enters the stirring box body and is sprayed and mixed with the cement and the fly ash by utilizing the chelating agent conveying mechanism;

(2) the stirring mechanism is driven to synchronously work by the driving mechanism, on one hand, the lifting and descending work of the lifting component is completed, and power is provided for the batch feeding work of the proportioning mechanism and the material supplementing work of the chelating agent conveying mechanism; on the other hand, the stirring mechanism can stir the mixed materials to ensure that the mixed materials are uniformly proportioned and fused, so that the subsequent granulation quality can be further improved;

(3) when the middle lifting component of the utility model is pressed down, the chelating agent is quantitatively conveyed into the extrusion piece from the charging box by arranging the intermittent conveying piece; when the lifting assembly is lifted, the inside of the extrusion piece is in a closed state, the chelating agent is automatically extruded into the stirring box body and is sprayed in an atomized water manner and mixed and proportioned with cement and fly ash, and the accurate proportioning work of raw materials is realized;

(4) in the utility model, the bulk material barrel provided with the adjusting piece is matched with the guide block, when the bulk material barrel is separated from the guide block, the bulk material barrel and the driving shaft are in a non-contact state, and when the driving shaft rotates, the bulk material barrel only carries out lifting work without autorotation, thereby completing the automatic filling work of two different materials without mixing; when a bulk material section of thick bamboo slided towards the guide block, the bulk material section of thick bamboo was in the contact cover with the drive shaft and was established the state of cramping, and when the drive shaft rotated, the rotation took place simultaneously when the bulk material section of thick bamboo carried out lifting work, and then reached the centrifugation and got rid of material work at a high speed.

In conclusion, the equipment has the advantages of high automation degree and accurate proportioning, and is particularly suitable for the technical field of waste incineration treatment.

Drawings

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

FIG. 1 is a schematic sectional view of the whole fly ash solidification and chelation device.

Fig. 2 is a schematic structural diagram of a chelating agent conveying mechanism.

Fig. 3 is a schematic view of the structure of an extrusion.

Fig. 4 is a schematic view of the structure of the intermittent conveyor.

FIG. 5 is a schematic view of the feeding state of the transfer box.

FIG. 6 is a schematic view of the discharging state of the transfer box.

FIG. 7 is a schematic diagram of the feed state of the control assembly.

Fig. 8 is a schematic view of the material throwing state of the control assembly.

Fig. 9 is a schematic structural view of the bulk material cylinder.

Fig. 10 is a schematic cross-sectional view of the stirring mechanism.

Fig. 11 is a schematic cross-sectional view of the lift assembly.

FIG. 12 is a cross-sectional schematic view of a storage compartment.

FIG. 13 is a schematic flow diagram of a fly ash solidification sequestration process.

Detailed Description

The technical solution in the embodiment of the present invention is clearly and completely described below with reference to the accompanying drawings.

Example one

As shown in fig. 1, a fly ash solidification and sequestration apparatus comprises:

the driving mechanism 1 comprises a rack 11, a transmission assembly 12 which is installed on the rack 11 and is horizontally arranged, and a lifting assembly 13 which is matched with the transmission assembly 12 for synchronous transmission and slides up and down along the vertical direction of the rack 11;

the stirring mechanism 2 comprises a stirring box body 21 which is arranged on the frame 11 and is positioned right above the transmission assembly 12, and a leveling assembly 22 which is arranged on the stirring box body 21 in a penetrating manner along the vertical direction and is vertical to the transmission assembly 12;

the proportioning mechanism 3 comprises a storage box 31 arranged above the stirring box body 21 and a control assembly 32 sleeved outside the homogenizing assembly 22 and positioned in the storage box 31, and the control assembly 32 is rotatably arranged on the lifting assembly 13; and

chelating agent conveying mechanism 4, chelating agent conveying mechanism 4 include with lifting component 13 fixed connection just is located lifting component 41 of storage tank 31 top and with lifting component 41 fixed connection just sets up in pairs the replenishment subassembly 42 of storage tank 31 both sides.

In the embodiment, by arranging the proportioning mechanism 3, when the lifting component 13 descends, cement and fly ash are quantitatively mixed and proportioned, and then the chelating agent conveying mechanism 4 is matched to complete the quantitative supply work of the chelating agent; when lifting assembly 13 lifted, cement and the flying dust in the control assembly 32 can be followed the agitator tank that scatters respectively under the effect of centrifugal force in for cement and the even dropping of flying dust, can make mixing more even effectual, recycle chelating agent conveying mechanism 4 simultaneously, accomplish in the entering agitator tank of chelating agent and spray and mix with cement and flying dust, this equipment does benefit to the accurate ratio of granulation raw and other materials, and raw and other materials utilization ratio is high, and the granulation quality improves.

In addition, the driving mechanism 1 is arranged to drive the stirring mechanism 2 to synchronously work, so that on one hand, the lifting and descending work of the lifting component 13 is completed, and power is provided for the batch feeding work of the proportioning mechanism 3 and the material supplementing work of the chelating agent conveying mechanism 4; on the other hand, the stirring work of the stirring mechanism 2 on the mixed materials is completed, so that the mixed materials are uniformly proportioned and fused, and the subsequent granulation quality can be further improved.

Further, as shown in fig. 10, the transmission assembly 12 includes:

the driving motor 121, the driving motor 121 is fixedly arranged on one side of the frame 11;

the rotating rod 122 is horizontally arranged, and one end of the rotating rod 122 is fixedly connected with the output end of the driving motor 121; and

and the rotating disc 123 and the rotating rod 122 penetrate through the other end of the side wall of the stirring box body 21 and are fixedly connected.

In addition, a controller is fixed on one side of the stirring box body 21, the output end of the controller is electrically connected with the driving motor 121, and the model of the controller is ATMEGA 16; and the bottom of the stirring box body 21 is fixed with a discharge pipe 10, and a collecting barrel 20 is arranged below the discharge pipe 10 and mounted on the frame 11.

Further, as shown in fig. 11, the lifting assembly 13 includes:

a connecting rod 131, wherein the connecting rod 131 is vertically arranged and one end of the connecting rod 131 is rotatably connected with a rotating shaft 132, and the rotating shaft 132 is fixedly and eccentrically arranged on the rotating disc 123;

the lifting rod 133 is rotatably connected with the other end of the connecting rod 131, and one end of the lifting rod 133 penetrates through the stirring box body 21;

the chute 134 is formed in the side wall of the agitator tank 21 in the vertical direction, and the lifting rod 133 slides up and down in the chute 134;

the baffle 135 is fixedly connected with the lifting rod 133 and is arranged on one side of the sliding groove 134 in a blocking manner; and

the supporting member 136 comprises a guide vertical plate 137 arranged on the frame 11, a vertical guide groove 138 which is arranged on the guide vertical plate 137 and is matched with the lifting rod 133 in size, and a guide rod 139 which is vertically fixed in the guide groove 138, wherein one end of the lifting rod 133 is in sliding fit in the guide groove 138 and is movably sleeved on the guide rod 139.

In the present embodiment, the supporting member 136 supports and guides the lifting rod 133.

In detail, the connecting rod 131 is eccentrically disposed on the rotating disc 123 through the rotating shaft 132, so that the lifting rod 133 is lifted up and down, the lifting rod 133 moves up and down in the sliding slot 134, and the lifting rod 133 moves along the guide slot 138 under the supporting and guiding effects of the guide rod 139.

Here, the baffle 135 provides a sealing effect to the agitation chamber 21, and prevents the kneaded material from splashing out of the agitation chamber 21 through the chute 134.

In addition, the rotating disc 123 rotates 180 degrees, the lifting rod 133 is lifted, and the bulk material barrel 323 finishes one-time material throwing work; the rotating disc 123 rotates 180 degrees again, the lifting rod 133 descends, and the bulk material cylinder 323 finishes the feeding work of cement and fly ash; and repeating the above operation.

Further, as shown in fig. 10, the leveling assembly 22 includes:

the mounting frame 221, the mounting frame 221 is fixedly arranged on the stirring box body 21;

the driving shaft 222 is rotatably installed on the installation frame 221 and is vertically arranged, and the lower end of the driving shaft 222 penetrates through the storage box 31;

the isolation cover 223 is fixedly arranged on the frame 11 and is positioned at the lower end of the driving shaft 222, the driving shaft 222 penetrates through the isolation cover 223, and the top and the bottom of the isolation cover 223 are both arc-shaped;

a worm wheel 224, wherein the worm wheel 224 is fixedly sleeved on the driving shaft 222 and is positioned in the isolation cover 223, and the worm wheel 224 is engaged with the rotating rod 122 in a transmission fit; and

and the stirring rod 225 is fixedly arranged on the driving shaft 222 and is positioned in the stirring box body 21, and stirring short rods 226 with equal intervals are fixedly arranged at the two ends of the stirring rod 225 along the length direction.

In the present embodiment, the driving shaft 222 is driven to rotate vertically in synchronization with the horizontal rotation of the rotation lever 122 by the worm gear 224.

It should be noted that, the top and the bottom of cage 223 all are equipped with the first mounting hole that matches with drive shaft 222, and drive shaft 222 passes through sealing washer rotary seal and cooperates in first mounting hole, and the left and right side of cage 223 all is equipped with the second mounting hole that matches with dwang 122, and dwang 122 passes through sealing washer rotary seal and cooperates in the second mounting hole.

In addition, the mounting bracket 221 is provided with a through hole matching with the driving shaft 222, and the driving shaft 222 is rotatably fitted in the through hole through a bearing.

Further, as shown in fig. 12, the inner cavity of the storage box 31 is divided into a cement storage bin 311, a fly ash storage bin 312 and an installation chamber 313 communicated with the interior of the agitator tank 21;

the lower parts of the cement storage bin 311 and the fly ash storage bin 312 are provided with discharge channels 314 communicated with the installation chamber 313, and the discharge channels 314 are arranged downwards and obliquely towards the installation chamber 313.

It should be noted that two charging openings respectively communicated with the cement storage bin 311 and the fly ash storage bin 312 are arranged on the front side of the storage box 31, two vertical capacity scale lines are arranged on the front side of the storage box 31, the positions of the two capacity scale lines respectively correspond to the positions of the cement storage bin 311 and the fly ash storage bin 312, and the storage box 31 is made of a transparent material.

Further, as shown in fig. 7, 8 and 9, the control assembly 32 includes:

the guide block 321 is fixedly sleeved on the driving shaft 222 and is arranged in an inverted frustum structure, and the lower bottom surface of the guide block 321 is positioned above the discharging channel 314; and

the adjusting part 322 comprises a bulk material barrel 323 which is in sliding fit in the mounting chamber 313 and is provided with an opening at the upper part, a partition plate 325 which is fixedly arranged at the inner side of the bulk material barrel 323 and is provided with an outlet groove 324, a plurality of groups of bulk material holes 326 which are uniformly distributed at the lower end of the bulk material barrel 323 and are circumferentially arranged, a connecting pipe 327 which is fixedly connected with the lower end of the bulk material barrel 323 and is inserted at the end part of the lifting rod 133, and a limiting ring 328 which is coaxial with and fixedly connected with the connecting pipe 327;

the driving shaft 222 slides in the access slot 324, and the access slot 324 is matched with the guide block 321; the limiting ring 328 is located at the lower end of the lifting rod 133 and has a diameter larger than that of the connecting tube 327; the partition 325 divides the bulk material cylinder 323 into two material distribution chambers 329 which are respectively arranged corresponding to the two discharge channels 314;

when the adjusting piece 322 is in contact with the guide block 321, the adjusting piece 322 rotates synchronously with the driving shaft 222 to perform bulk material distribution, and when the adjusting piece 322 is not in contact with the guide block 321, the adjusting piece 322 completes the feeding work of the raw material.

In this embodiment, the bulk material cylinder 323 provided with the adjusting member 322 is matched with the guide block 321, when the bulk material cylinder 323 is separated from the guide block 321, the bulk material cylinder 323 and the driving shaft 222 are in a non-contact state, and when the driving shaft 222 rotates, the bulk material cylinder 323 only performs lifting operation without autorotation, so that automatic filling operation of two different materials is completed, and no mixing occurs; when the bulk material cylinder 323 slides towards the guide block 321, the bulk material cylinder 323 and the driving shaft 222 are in a contact sleeve tightening state, and when the driving shaft 222 rotates, the bulk material cylinder 323 can rotate when lifting, so that centrifugal high-speed material throwing work is achieved.

In addition, the two batching chambers 329 on the bulk material cylinder 323 accurately divide the two batching chambers 329 in proportion according to the actual proportioning of cement and fly ash.

Example two

As shown in fig. 2, 5 and 6, in which the same or corresponding components as in the first embodiment are denoted by the same reference numerals as in the first embodiment, only the points of difference from the first embodiment will be described below for the sake of convenience. The second embodiment is different from the first embodiment in that:

further, as shown in fig. 2, the lifting assembly 41 includes:

the pull rod 411 is fixedly connected with the lifting rod 133 and is vertically arranged; and

a bearing plate 412, wherein the bearing plate 412 is fixedly connected with the pull rod 411 and horizontally arranged.

In this embodiment, the simultaneous raising and lowering of the supply assembly 42 is accomplished by providing a lift assembly 41.

Further, as shown in fig. 2, 5 and 6, the supply assembly 42 includes:

the charging box 421 is installed on the frame 11, and a discharging hole 422 is formed in one side wall facing the storage box 31;

an intermittent transfer member 423 disposed at a side of the charging box 421 facing the storage box 31 and in contact with a sidewall of the storage box 31; and

and a pressing member 424, wherein the pressing member 424 is arranged at the other side of the intermittent conveying member 423 relative to the charging box 421 and is in contact with the side wall of the intermittent conveying member 423.

In this embodiment, when the lift assembly 41 is depressed, chelant is metered from the bin 421 into the extrusion 424 by the provision of the intermittent conveyor 423; when the lifting component 41 is lifted upwards, the extrusion piece 424 is in a closed state, the chelating agent is automatically extruded into the stirring box body 21, and is sprayed in an atomized water manner and mixed and proportioned with cement and fly ash, so that the accurate proportioning work of raw materials is realized.

In detail, the fly ash stabilization granulation system adopts a fly ash treatment process of "fly ash + cement + chelating agent + water + stirring and mixing + circulation granulation", the chelating agent and the water in the embodiment are well mixed and stored in the charging box 421.

Further, as shown in fig. 3, the intermittent transfer member 423 includes:

the extension tube 4231 is vertically arranged, and one end of the extension tube 4231 is fixedly connected with the bearing plate 412;

a transfer seat 4232, wherein the transfer seat 4232 is fixedly connected with the other end of the extension tube 4231 and is provided with a Z-shaped channel 4233; and

and the upper end of the elastic unit a4234 is fixedly connected with the lower surface of the transfer seat 4232, and the lower end of the elastic unit a4234 is fixedly connected with the frame 11.

It is worth mentioning here that the diameter of the zigzag passage 4233 is smaller than the feeding hole 4240 of the transfer box 4244 and smaller than the discharging hole 422 of the charging box 421, so that the continuous chelating agent transferring work of the zigzag passage 4233 is realized.

Further, as shown in fig. 4, the extrusion 424 includes:

the upper end of the elastic unit b4241 is fixedly connected with the bearing plate 412, and the lower end of the elastic unit b4241 is provided with a connecting plate 4242;

a piston rod 4243, wherein the piston rod 4243 is fixedly connected with one end of the connecting plate 4242;

the middle rotating box 4244 is provided with a feeding hole, and the lower end of the piston rod 4243 is arranged in the middle rotating box 4244 in a sliding manner;

a transmission pipe 4245, wherein the transmission pipe 4245 penetrates the stirring box body 21 and is arranged in a multi-section structure;

a hose 4246, one end of the hose 4246 is communicated with the transmission pipe 4245, and the other end of the hose 4246 is communicated with the interior of the transfer box 4244;

the spray head 4247 is fixedly arranged in the stirring box body 21 and is communicated with the transmission pipe 4245, a conical cavity is formed in the spray head 4247, and spray nozzles 4248 are uniformly arranged on the spray head 4247 at equal intervals; and

a deflector 4249, wherein the deflector 4249 is fixedly arranged in the stirring box body 21 and is obliquely arranged, and the deflector 4249 is positioned between the spray head 4247 and the bulk material cylinder 323.

In addition, the guide plate 4249 is arranged, so that the blockage of the dispersing holes 326 of the dispersing barrel 323 by the chelating agent in the spraying process is avoided; or the nozzle 4248 of the nozzle 4247 is blocked in the process of throwing the cement and the fly ash; the effects of blocking and interrupting are achieved.

In detail, when the bearing plate 412 is pressed down, the inside of the extension tube 4231 is compressed, the relay seat 4232 is fixed, when the piston rod 4243 is pressed down to the bottom of the relay box 4244, the bearing plate 412 is pressed down continuously, the elastic unit b4241 is in a compressed state, the relay seat 4232 compresses the elastic unit a4234 downwards at the moment, the Z-shaped channel 4233 is gradually communicated with the discharge port 422 and the feed port 4240, and the charging box 421 finishes the chelating agent transferring work of the relay box 4244; when the bearing plate 412 is lifted up to work, the transfer seat 4232 is lifted up, two outlets of the Z-shaped channel 4233 are blocked by the charging box 421 and the transfer box 4244 to achieve the sealing work of the transfer box 4244, then the piston rod 4243 is lifted up to extrude the chelating agent in the transfer box 4244, and the chelating agent penetrates into the transfer pipe 4245 through the hose 4246 and is sprayed outwards through the nozzle 4248 of the spray head 4247.

The hose 4246 and the transfer pipe 4245 are hermetically connected by a seal ring.

In the present embodiment, the elastic units a4234 and b4241 have buffering and transition adjusting effects.

EXAMPLE III

As shown in fig. 13, a fly ash solidification sequestration method comprises:

step one, batching, namely, firstly, manually adding fly ash into a fly ash storage bin 312 through a charging opening, then adding cement into a cement storage bin 311 through a charging opening, and then, quantitatively proportioning a chelating agent and water and then loading the mixture into two charging boxes 421;

feeding fly ash and cement, starting the arranged transmission assembly 12 through the operation controller, synchronously driving the bulk material cylinder 323 on the lifting assembly 13 to integrally move downwards, and when the upper opening of the bulk material cylinder 323 is positioned below the discharge channel 314, feeding the cement and fly ash in the cement storage bin 311 and the fly ash storage bin 312 into the bulk material cylinder 323;

step three, chelating agent feeding, wherein in synchronization with the step two, the lifting assembly 13 drives the lifting assembly 41 to synchronously descend, the piston rod 4243 extrudes into the transfer box 4244, when the piston rod 4243 presses the bottom of the transfer box 4244, the Z-shaped channel 4233 is communicated with the feeding hole 4240 of the transfer box 4244 and the discharging hole 422 of the charging box 421, the elastic unit b4241 is continuously extruded, and the chelating agent enters the discharging hole 422 from the charging box 421 through the Z-shaped channel 4233;

step four, throwing materials, when the lifting assembly 13 is lifted up, the bulk material barrel 323 is contacted and hooped with the guide block 321 on the driving shaft 222, and the raw materials in the bulk material barrel 323 can be discharged from the bulk material hole 326 and fall into the stirring box body 21 under the action of centrifugal force as the driving shaft 222 rotates and drives the bulk material barrel 323 to rotate;

step five, mixing, wherein in synchronization with the step four, the lifting assembly 13 drives the lifting assembly 41 to lift synchronously, two outlets of a Z-shaped channel 4233 are attached to the side walls of the charging box 421 and the transfer box 4244, then a piston rod 4243 extrudes the upper half part of the transfer box 4244, the chelating agent enters a transfer pipe 4245 from a hose 4246, and then a spray head 4247 sprays the chelating agent to be mixed with the fly ash and cement which are centrifugally scattered;

stirring, wherein the fly ash, the cement and the chelating agent enter the uniform stirring component 22 to be uniformly mixed for 30min, and the chelating and curing of the fly ash are finished;

and step seven, outputting, wherein after stirring is finished, the mixture is transmitted into a collecting barrel 20 from a discharge pipe 10 for collection.

Preferably, fly ash solidification chelation treatment adopts fly ash, cement, chelating agent and water, wherein 4.5 percent of cement, 70.5 to 75.5 percent of fly ash, 18 to 22 percent of water and 2 to 3 percent of chelating agent are calculated by weight percentage, and the chelating agent with different formulas is purchased for the market to be used according to different matching requirements;

in addition, the stabilized fly ash meets the requirements of 'hazardous waste identification standard-leaching toxicity identification' (GB5085.3-2007) and 'pollution control standard of domestic waste landfill' (GB 16889-2008).

Preferably, the stabilized fly ash after being stirred out is discharged and loaded by the collecting barrel 20, and is transported to a designated place for maintenance and landfill, so that the whole fly ash stabilizing and curing treatment process is completed.

The working process is as follows:

at the initial working moment, the upper opening of the arranged bulk material barrel 323 is positioned above the discharging channel 314, the front side of the stirring box body 21 is provided with a transparent observation window, when in use, prepared raw materials are added into the cement storage bin 311 and the fly ash storage bin 312 through the charging opening, then the arranged driving motor 121 is started through the operation controller, the driving motor 121 drives the rotating rod 122 to rotate, the arranged worm wheel 224 rotates at the moment, the worm wheel 224 rotates to drive the driving shaft 222 to rotate, then, as the rotating rod 122 rotates to drive the rotating disc 123 to rotate, the rotating disc 123 rotates to drive the connecting rod 131 to swing, and therefore, the lifting rod 133 can be pushed to move up and down periodically through the connecting rod 131;

when the lifting rod 133 moves downwards, the bulk material barrel 323 is separated from the driving shaft 222, the arranged limiting ring 328 and the bulk material barrel 323 integrally move downwards, when the upper opening of the bulk material barrel 323 is positioned below the discharge channel 314, raw materials in the cement storage bin 311 and the fly ash storage bin 312 enter the bulk material barrel 323 for pre-mixing, meanwhile, the pull rod 411 drives the replenishment component 42 to move downwards synchronously through the bearing plate 412, the piston rod 4243 extrudes into the transfer box 4244, when the piston rod 4243 presses the bottom of the transfer box 4244, the Z-shaped channel 4233 is communicated with the feed inlet 4240 of the transfer box 4244 and the discharge opening 422 of the charging box 421, the elastic unit b4241 is continuously extruded, and the chelating agent enters the discharge opening 422 from the charging box 421 through the Z-shaped channel 4233;

when the lifting rod 133 is lifted, the material dispersing cylinder 323 contacts and is tightened with the guide block 321 on the driving shaft 222, the driving shaft 222 drives the material dispersing cylinder 323 to rotate at the same time, raw materials in the material dispersing cylinder 323 can be discharged from the material dispersing hole 326 and fall into the stirring box body 21 under the action of centrifugal force, the material in the mounting chamber 313, the cement storage bin 311 and the fly ash storage bin 312 can enter the stirring box body 21 in batches each time the material dispersing cylinder 323 moves up and down, meanwhile, the pull rod 411 drives the supply assembly 42 to move upwards synchronously through the bearing plate 412, two outlets of the Z-shaped channel 4233 are attached to the side walls of the material charging box 421 and the middle rotating box 4244, then the piston rod 4243 extrudes the upper half part of the middle rotating box 4244, the chelating agent enters the conveying pipe 4245 from the hose 4246, and then the spray head 4247 sprays the chelating agent.

In the description of the present invention, it is to be understood that the terms "front and back", "left and right", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or parts referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Of course, in this disclosure, those skilled in the art will understand that the terms "a" and "an" should be interpreted as "at least one" or "one or more," i.e., in one embodiment, a number of an element may be one, and in another embodiment, a number of the element may be plural, and the terms "a" and "an" should not be interpreted as limiting the number.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art in the technical suggestion of the present invention should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (9)

1. A fly ash solidification and sequestration apparatus, comprising:

the driving mechanism (1) comprises a rack (11), a transmission assembly (12) which is installed on the rack (11) and is horizontally arranged, and a lifting assembly (13) which is matched with the transmission assembly (12) to perform synchronous transmission and slides up and down along the vertical direction of the rack (11);

the stirring mechanism (2) comprises a stirring box body (21) which is arranged on the rack (11) and is positioned right above the transmission assembly (12) and a uniform beating assembly (22) which is arranged on the stirring box body (21) in a penetrating manner along the vertical direction and is vertical to the transmission assembly (12);

the proportioning mechanism (3) comprises a storage box (31) arranged above the stirring box body (21) and a control assembly (32) which is sleeved outside the uniform beating assembly (22) and is positioned in the storage box (31), and the control assembly (32) is rotatably arranged on the lifting assembly (13); and

chelating agent conveying mechanism (4), chelating agent conveying mechanism (4) include with lifting component (13) fixed connection just is located lifting component (41) of storage tank (31) top and with lifting component (41) fixed connection just sets up in pairs replenishment subassembly (42) of storage tank (31) both sides.

2. A fly ash solidification sequestration apparatus according to claim 1, wherein the transmission assembly (12) comprises:

the driving motor (121), the said driving motor (121) is fixedly set up in one side of the said framework (11);

the rotating rod (122), the rotating rod (122) is horizontally arranged, and one end of the rotating rod (122) is fixedly connected with the output end of the driving motor (121); and

the rotating disc (123), the rotating disc (123) with the dwang (122) run through the other end fixed connection of agitator tank body (21) lateral wall.

3. A fly ash solidification sequestration apparatus according to claim 2, characterized in that the lifting assembly (13) comprises:

the connecting rod (131) is vertically arranged, one end of the connecting rod (131) is rotatably connected with a rotating shaft (132), and the rotating shaft (132) is fixedly and eccentrically arranged on the rotating disc (123);

the lifting rod (133), the lifting rod (133) is rotatably connected with the other end of the connecting rod (131), and one end of the lifting rod penetrates through the stirring box body (21);

the chute (134) is formed in the side wall of the stirring box body (21) along the vertical direction, and the lifting rod (133) slides in the chute (134) up and down;

the baffle (135) is fixedly connected with the lifting rod (133) and is arranged on one side of the sliding groove (134) in a blocking mode; and

the supporting piece (136) comprises a guide vertical plate (137) arranged on the rack (11), a vertical guide groove (138) which is arranged on the guide vertical plate (137) and is matched with the lifting rod (133) in size, and a guide rod (139) which is vertically fixed in the guide groove (138), wherein one end of the lifting rod (133) is in sliding fit in the guide groove (138) and movably sleeved on the guide rod (139).

4. A fly ash solidification sequestration apparatus according to claim 3, wherein said homogenizing assembly (22) comprises:

the mounting rack (221), the mounting rack (221) is fixedly arranged on the stirring box body (21);

the driving shaft (222) is rotatably mounted on the mounting frame (221) and is vertically arranged, and the lower end of the driving shaft (222) penetrates through the storage box (31);

the isolation cover (223) is fixedly arranged on the rack (11) and is positioned at the lower end of the driving shaft (222), the driving shaft (222) penetrates through the isolation cover (223), and the top and the bottom of the isolation cover (223) are both arc-shaped;

the worm wheel (224) is fixedly sleeved on the driving shaft (222) and positioned in the isolation cover (223), and the worm wheel (224) is meshed with the rotating rod (122) in a transmission fit; and

the stirring rod (225) is fixedly arranged on the driving shaft (222) and is positioned in the stirring box body (21), and stirring short rods (226) with equal intervals are reversely fixed at two ends of the stirring rod (225) along the length direction.

5. The fly ash solidification chelating device according to claim 4, wherein the inner cavity of the storage tank (31) is divided into a cement storage bin (311), a fly ash storage bin (312) and a mounting chamber (313) communicated with the interior of the agitator tank body (21);

the lower parts of the cement storage bin (311) and the fly ash storage bin (312) are respectively provided with a discharge channel (314) communicated with the installation chamber (313), and the discharge channels (314) are obliquely and downwards arranged towards the installation chamber (313).

6. A fly ash solidification sequestration apparatus according to claim 5, wherein said control assembly (32) comprises:

the guide block (321) is fixedly sleeved on the driving shaft (222) and is arranged in an inverted frustum structure, and the lower bottom surface of the guide block (321) is positioned above the discharging channel (314); and

the adjusting piece (322) comprises a bulk material barrel (323) which is in sliding fit with the inside of the mounting chamber (313) and is provided with an opening at the upper part, a partition plate (325) which is fixedly arranged at the inner side of the bulk material barrel (323) and is provided with an outlet groove (324), a plurality of groups of bulk material holes (326) which are uniformly distributed at the lower end of the bulk material barrel (323) and are circumferentially arranged, a connecting pipe (327) which is fixedly connected with the lower end of the bulk material barrel (323) and is inserted at the end part of the lifting rod (133), and a limiting ring (328) which is coaxial with the connecting pipe (327) and is fixedly connected with the connecting;

the driving shaft (222) slides in the outlet groove (324), and the outlet groove (324) is matched with the guide block (321); the limiting ring (328) is positioned at the lower end of the lifting rod (133) and the diameter of the limiting ring is larger than that of the connecting pipe (327); the clapboard (325) divides the bulk material cylinder (323) into two material mixing chambers (329) which are respectively arranged corresponding to the two discharging channels (314);

when the adjusting piece (322) is in contact with the guide block (321), the adjusting piece (322) rotates synchronously with the driving shaft (222) to carry out bulk material distribution, and when the adjusting piece (322) is not in contact with the guide block (321), the adjusting piece (322) finishes the feeding work of raw materials.

7. A fly ash solidification sequestration apparatus according to claim 6, wherein said lifting assembly (41) comprises:

the pull rod (411) is fixedly connected with the lifting rod (133) and is vertically arranged; and

the bearing plate (412), bearing plate (412) with pull rod (411) fixed connection and horizontal setting.

8. A fly ash solidification sequestration apparatus according to claim 7, wherein said replenishment assembly (42) comprises:

the charging box (421) is installed on the rack (11), and a discharging hole (422) is formed in one side wall, facing the storage box (31), of the charging box (421);

the intermittent conveying piece (423) is arranged on one side, facing the storage box (31), of the charging box (421) and is in contact with the side wall of the charging box (421), and comprises a telescopic pipe (4231) which is vertically arranged and one end of the telescopic pipe is fixedly connected with the bearing plate (412), a transfer seat (4232) which is fixedly connected with the other end of the telescopic pipe (4231) and provided with a Z-shaped channel (4233) and an elastic unit a (4234) of which the upper end is fixedly connected with the lower surface of the transfer seat (4232) and the lower end is fixedly connected with the rack (11); and

and the pressing component (424), the pressing component (424) is arranged on the other side of the intermittent conveying member (423) relative to the charging box (421) and is in contact with the side wall of the intermittent conveying member (423).

9. A fly ash solidification sequestration apparatus according to claim 8, wherein said extrusion (424) comprises:

the upper end of the elastic unit b (4241) is fixedly connected with the bearing plate (412), and the lower end of the elastic unit b (4241) is provided with a connecting plate (4242);

the piston rod (4243) is fixedly connected with one end of the connecting plate (4242);

the piston rod (4243) is arranged in the transfer box (4244) in a sliding mode, a feed port (4240) is formed in the transfer box (4244), and the lower end of the piston rod (4243) is arranged in the transfer box (4244) in the sliding mode;

the transmission pipe (4245) penetrates through the upper part of the stirring box body (21) and is arranged in a multi-section structure;

a hose (4246), one end of the hose (4246) is communicated with the transmission pipe (4245) and the other end of the hose (4246) is communicated with the interior of the transfer box (4244);

the spray head (4247) is fixedly arranged in the stirring box body (21) and is communicated with the transmission pipe (4245), a conical cavity is formed in the spray head (4247), and spray nozzles (4248) are uniformly arranged on the spray head (4247) at equal intervals; and

the guide plate (4249) is fixedly arranged in the stirring box body (21) and is obliquely arranged, and the guide plate (4249) is positioned between the spray head (4247) and the material dispersing barrel (323).

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