CN113372026B - Lime production line - Google Patents

Abstract

The invention relates to the technical field of lime production equipment, and provides a lime production line which comprises a stone bin, wherein the stone bin is connected with a stone conveyer belt, the stone conveyer belt is connected with a rotary screen, the rotary screen is connected with a buffer bin, the buffer bin is connected with a metering bin, the metering bin is connected with a feeding rack, a variable-speed skip is arranged on the feeding rack, and the feeding rack is connected with a quantitative uniform distributor; the quantitative uniform distributor is communicated with the sleeve type lime kiln, a combustor is arranged on the sleeve type lime kiln, an air locking discharging device is arranged at the bottom of the sleeve type lime kiln, the air locking discharging device is connected with a material collecting bin, and the material collecting bin is connected with a material conveying device; the sleeve lime kiln is also communicated with a flue gas heat recovery device, the flue gas heat recovery device is communicated with a flue gas dust removal device, and the flue gas dust removal device is communicated with a flue gas emission chimney. The invention solves the problems that in the existing lime production process, when materials are added at the top of a lime kiln, poor sealing, smoke leakage, dust leakage and inconsistent material surface height are easy to occur, and the lime production quality and efficiency are influenced.

Description

Lime production line

Technical Field

The invention relates to the technical field of lime production equipment, in particular to a lime production line.

Background

In recent years, the consumption of lime is more and more, the consumption is increased at a speed of 20% every year, the types of downstream customer industries are more and more, however, the yield of lime in China is not correspondingly increased, and the lime is tense, so that a large amount of lime kilns are constructed in society, most of lime kiln production lines are simple in structure and low in automation degree at present, and various problems exist in the production process: (1) when the feeding is conveyed, stone powder can be dissipated into the air, so that the working environment is influenced; (2) when materials are added into the lime kiln, the problems of poor sealing, smoke leakage and dust leakage easily occur at the top of the lime kiln; (3) the material level is easily inconsistent due to uneven feeding in the lime kiln, and the production quality and the production efficiency of lime are affected; (4) and the smoke treatment after the lime kiln is burnt is difficult to meet the requirement of environmental protection standard.

Therefore, the lime production line is developed, so that the lime production line not only has urgent research value, but also has good economic benefit and industrial application potential.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a lime production line, which aims to solve the problems that in the existing lime production process, when materials are added to the top of a lime kiln, the sealing is not tight, smoke and dust are leaked, the heights of material surfaces are different, and the production quality and the production efficiency of lime are affected.

In order to solve the technical problems, the technical scheme of the invention is as follows:

a lime production line comprises a stone bin, wherein the discharge end of the stone bin is connected with a stone conveyer belt through a first vibrating feeder, the stone conveyer belt conveys stones in the stone bin to a rotary screen, the discharge end of the rotary screen is connected with a buffer bin, the discharge end of the buffer bin is connected with a metering bin through a second vibrating feeder, the bottom of the metering bin is connected with a feeding rack, a variable-speed skip car is installed on the feeding rack, the top of the feeding rack is connected with a quantitative uniform distributor, and the variable-speed skip car conveys the stones metered in the metering bin to the quantitative uniform distributor;

the bottom of the quantitative uniform distributor is communicated with a sleeve type lime kiln, a plurality of burners are arranged around the calcining zone area of the sleeve type lime kiln, a plurality of air locking discharging devices are arranged at the bottom of the sleeve type lime kiln, a material collecting bin is arranged at the bottom of the air locking discharging devices, and the discharging end of the material collecting bin is connected with a material conveying device;

the top of the sleeve type lime kiln is also communicated with a flue gas heat recovery device, the flue gas heat recovery device is provided with a combustion-supporting air inlet and a combustion-supporting air outlet, the combustion-supporting air outlet is respectively communicated with the combustor, the bottom of the flue gas heat recovery device is communicated with a flue gas dust removal device, and the flue gas dust removal device is communicated with a flue gas emission chimney through a first draught fan.

As an improved scheme, install first weighing sensor on the surge bin, first control valve is installed to the discharge end of surge bin, install the second weighing sensor on the measurement storehouse, the capacity of building stones all is less than in the measurement storehouse the capacity of variable speed formula skip, pneumatic door is installed to the discharge end of measurement storehouse, first weighing sensor first control valve the second weighing sensor reaches pneumatic door all connection director.

As an improved scheme, a traction end of the variable-speed skip is connected with a traction rope, the traction rope is wound on a roller of a winch, one end, far away from the variable-speed skip, of the traction rope is connected with a counterweight skip, and the counterweight skip is slidably mounted on the feeding rack;

and the drum of the winch is also provided with an encoder, and the encoder and the winch are both connected with the controller.

As an improved scheme, a plurality of material level detection sensors are arranged at a preheating zone at the top of the sleeve type lime kiln, a temperature sensor and a color sensor for detecting finished lime are respectively arranged at a discharge port of the air locking discharge device, and the material level detection sensors, the temperature sensor and the color sensor are all connected with a controller.

As an improved scheme, the quantitative uniform distributor comprises a quantitative air locking mechanism and an automatic distribution material supplementing mechanism, the automatic distribution material supplementing mechanism is positioned at the bottom of the quantitative air locking mechanism and is communicated with the quantitative air locking mechanism, and the bottom of the automatic distribution material supplementing mechanism is connected with the sleeve type lime kiln.

As an improved scheme, the quantitative air locking mechanism comprises an upper hopper, one side of the upper hopper is communicated with a material guide hopper, a feeding end of the material guide hopper is arranged corresponding to a discharging end of the variable speed type skip car on the feeding frame, a driving device is installed at the top of the upper hopper, a piston rod of the driving device extends to an inner cavity of the upper hopper and is connected with a traction cup, and one end of the traction cup, far away from the driving device, of the traction chain is connected with a material cup;

the bottom of the upper hopper is communicated with a lower hopper, an inner cone is arranged between the upper hopper and the lower hopper, the material cup is matched with a discharge hole of the inner cone, and a guiding and positioning mechanism is further arranged between the material cup and the inner side wall of the lower hopper.

As an improved scheme, the guiding and positioning mechanism comprises a positioning frame, the positioning frame comprises a plurality of guide rods, the guide rods are uniformly arranged in a radial shape and are respectively connected with the bottom of the material cup, and the tops and the bottoms of the guide rods are respectively connected with a connecting plate;

one ends of the guide rods, which are close to the inner side wall of the lower hopper, are respectively abutted against guide plates, and a space for limiting the sliding direction of the guide rods is formed between the guide plates;

and stop plates for limiting the movement of the guide rods are respectively arranged on the inner side wall of the lower hopper and close to the bottoms of the guide plates.

As an improved scheme, the inner cone is of a horn-shaped structure, the aperture of the top of the inner cone is larger than that of the bottom of the inner cone, a sealing strip installation groove is formed in the periphery of a discharge port at the bottom of the inner cone, and a sealing strip is installed in the sealing strip installation groove;

the material handleless cup is of a conical structure, the interior and the bottom of the material handleless cup are arranged in a hollow mode, a first connecting lug connected with the traction chain is arranged at the top of the material handleless cup, and a plurality of second connecting lugs connected with the guide rod are arranged on the periphery of the bottom of the material handleless cup.

As an improved scheme, a hopper cover is hinged to the material guide hopper and comprises a closing plate, the closing plate is matched with the feeding end of the material guide hopper, an opening frame is connected to the closing plate and is obliquely arranged, a discharging rail is arranged at the top of the feeding rack, and when the variable-speed skip car moves to the discharging rail, the variable-speed skip car opens the hopper cover through the opening frame and discharges materials.

As an improved scheme, the automatic distribution feed supplement mechanism comprises a first branch pipe, the top of the first branch pipe is communicated with the lower hopper, two first branch pipelines are oppositely arranged at the bottom of the first branch pipe, the bottom of any one first branch pipeline is respectively communicated with a second branch pipe, two second branch pipelines are oppositely arranged at the bottom of each second branch pipe, and the second branch pipelines are communicated with the sleeve type lime kiln;

first bifurcated pipe reaches the inner chamber branching department of second bifurcated pipe all installs the water conservancy diversion gate valve, the water conservancy diversion gate valve includes the flashboard, the flashboard rotate respectively install in first bifurcated pipe reaches the inner chamber branching department of second bifurcated pipe, just the flashboard respectively with first reposition of redundant personnel pipeline reaches second reposition of redundant personnel pipeline looks adaptation, the flashboard is all articulated to be installed on the piston rod that drives actuating cylinder, the cylinder body that drives actuating cylinder is all articulated to be installed on the supporting seat, the supporting seat install respectively in first bifurcated pipe reaches on the second bifurcated pipe.

After the technical scheme is adopted, the invention has the beneficial effects that:

the discharging amount can be accurately controlled by arranging the first vibrating feeder, stones conveyed by a stone conveyor belt can be screened by arranging the rotary screen, materials with smaller granularity can be screened out, the screened materials can be temporarily stored by arranging the buffer bin, the bottom of the measuring bin is connected with the feeding rack by arranging the measuring bin, the variable-speed skip car is arranged on the feeding rack and can measure the materials by the measuring bin, the materials in the measuring bin can be ensured to completely enter the variable-speed skip car, the sleeve type lime kiln can be sealed when being fed at the top of the sleeve type lime kiln by arranging the quantitative uniform distributor, the problem of smoke leakage and dust leakage at the top of the sleeve type lime kiln during feeding is avoided, meanwhile, the automatic distribution of the materials can be realized according to the detection of the height of the material level in the sleeve type lime kiln, the feeding amounts in different areas can be adjusted, and the material level tends to be smooth, the ventilation in the kiln body is uniform, so that abnormal conditions such as nodulation and the like are avoided, and the production quality and the production efficiency of lime are ensured;

the burners are arranged on the periphery, so that the calcining area of the lime kiln is heated more uniformly, the heat utilization rate is higher, the air locking discharging devices are arranged at the bottom of the sleeve type lime kiln, the problem of discharging air leakage can be solved through the air locking discharging devices, meanwhile, each air locking discharging device can be independently controlled, the air locking discharging devices are provided with metering devices, the accumulated ash amount of the position can be accurately counted, the flowing speed of the position and the smoothness of the charge level can be determined, the level of the charge level can be ensured by changing the operating speed and the operating times of the air locking discharging devices, the finished lime can be preliminarily collected through the material collecting bin, the discharge end of the material collecting bin is provided with a chain plate scale, the chain plate scale is connected with the material conveying device, and the lime can be conveyed to the designated area through the chain plate scale and the material conveying device;

the waste heat of the combusted flue gas can be utilized by arranging the flue gas heat recovery device, the utilization efficiency of energy is improved, the flue gas heat recovery device is provided with a combustion-supporting air inlet and a combustion-supporting air outlet, the combustion-supporting air can be heated by the flue gas heat recovery device, the heated combustion-supporting air enters the combustor, the utilization rate of fuel gas is improved, the temperature in the kiln body is more balanced, large fluctuation is avoided, particulate matters such as dust in the flue gas can be collected and removed by arranging the flue gas dust removal device, the flue gas treated by the flue gas dust removal device reaches the standard range, and the flue gas is discharged by the first draught fan and the flue gas discharge chimney;

the first weighing sensor is arranged on the buffer bin and can detect the weight of materials in the buffer bin, when the weight of the materials in the buffer bin reaches a set range value, the stone conveying belt, the first vibrating feeder, the rotary screen and the like stop moving, the opening of the buffer bin can be controlled by arranging the first control valve, the second weighing sensor is arranged in the metering bin and can detect the weight of the materials in the metering bin in real time, the situation that the materials in the metering bin are more than variable-speed trolleys and overflow is caused when the materials are loaded on the variable-speed trolleys is avoided, when the weight of the materials in the metering bin reaches the set range value, the first control valve controls the buffer bin to be closed, and the opening of the metering bin can be controlled by arranging the pneumatic bin door;

the variable-speed skip car can be driven to move on the feeding frame by arranging the winch, one end, far away from the variable-speed skip car, of the traction rope is connected with the counterweight car, acting force of the winch on the variable-speed skip car is relieved by arranging the counterweight car, stability of the variable-speed skip car in operation is guaranteed, and the encoder is mounted on a roller of the winch and can detect the position of the variable-speed skip car, so that the operation speed of the winch is adjusted, the moving speed of the variable-speed skip car is adjusted, feeding time is saved and feeding efficiency is improved on the premise of stable feeding;

the material level detection sensor can detect the flatness of the material surface in the sleeve type lime kiln, the temperature sensor can detect the temperature value of the finished lime, the input parameter and the cooling parameter of the combustor are adjusted according to the detected temperature value, and the color sensor can detect whether red materials exist in the finished lime, namely, the unburned materials are combusted, so that the input of fuel gas and combustion-supporting gas is adjusted, and the alarm is given to remind workers;

the driving device is arranged at the top of the upper hopper and is connected with the material cup through the traction chain, the inner cone is arranged between the upper hopper and the lower hopper, the discharge hole of the inner cone is matched with the material cup, the discharge hole of the inner cone can be sealed through the material cup, the smoke in the sleeve type lime kiln is prevented from leaking outwards when the variable speed type skip car is used for feeding, and meanwhile, materials conveyed by the variable speed type skip car can be temporarily stored in the upper hopper through the material cup;

a guide positioning mechanism is arranged between the material cup and the lower hopper, the guide positioning mechanism comprises guide rods, the guide rods are radially and uniformly arranged and are connected with the bottom of the material cup, a guide plate is arranged on the inner side wall of the lower hopper, the guide plate is abutted against the guide rods, and a space for limiting the movement of the guide rods is formed between the guide plates, so that the guide rods can only slide along the vertical direction, the material cup is prevented from shaking and deflecting in the downward moving process, the maximum downward moving stroke of the material cup is limited by arranging a stop plate, the top and the bottom of the guide rods are respectively connected with a connecting plate, and the stability of the positioning frame is ensured by arranging the connecting plates;

the sealing strip mounting groove is arranged on the periphery of the discharge port at the bottom of the inner cone, the sealing strip is mounted in the sealing strip mounting groove, the sealing property of contact between the inner cone and the material cup is guaranteed through the sealing strip, air leakage is avoided, the material cup is designed into a conical structure, the conical structure is more tightly attached to the discharge port of the inner cone, and the sealing effect is better;

one side of the upper hopper is communicated with a material guide hopper, the material guide hopper is hinged and connected with a hopper cover, the hopper cover comprises a closing plate, the closing plate is matched with the feeding end of the material guide hopper and can close the material guide hopper to avoid air leakage and smoke leakage, an opening frame is connected to the closing plate and is obliquely arranged, when a variable speed type hopper car of a feeding rack moves onto a discharging rail, the variable speed type hopper car is covered onto the opening frame, the hopper cover is opened through the opening frame to discharge, when the discharging is completed and the variable speed type hopper car moves downwards, the hopper cover is covered onto the material guide hopper again under the action of self gravity to realize closing, the diffusion of smoke and dust during the feeding of the variable speed type hopper car and the downward movement of the hopper cover to discharge is reduced, and the air locking and smoke locking effects during the feeding of the top of the sleeve type lime kiln are ensured through the double sealing of the hopper cover and the hopper cover, so that the smoke leakage and dust leakage are avoided;

by arranging the first branch pipes, two first branch pipes are oppositely arranged at the bottoms of the first branch pipes, each first branch pipe is communicated with a second branch pipe, and two second branch pipes are oppositely arranged at the bottoms of the second branch pipes, so that the four second branch pipes are respectively communicated with the sleeve type lime kiln, and the uniform distribution of the sleeve type lime kiln is realized;

the diversion gate valves are arranged at the inner cavity bifurcate parts of the first bifurcate pipe and the second bifurcate pipe, and when the material level detection sensor detects that the material level is uneven, the blanking amount of each diversion pipeline is adjusted through the diversion gate valves, so that the material level of different areas at the top of the sleeve-type lime kiln tends to be flat, and the calcining quality and the calcining effect are ensured.

In conclusion, the invention solves the problems that in the existing lime production process, when materials are added at the top of the lime kiln, poor sealing, smoke leakage, dust leakage and inconsistent material surface height are easy to occur, and the lime production quality and the production efficiency are influenced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the quantitative uniformity distributor of the present invention;

FIG. 3 is a schematic view of the construction of the upper hopper of the present invention;

FIG. 4 is a schematic cross-sectional view of the inner cone of the present invention;

FIG. 5 is a schematic view of the construction of the material cup of the present invention;

FIG. 6 is a side view of the guide bar and the connecting plate of the present invention;

FIG. 7 is a schematic top view of the guide bar and the connecting plate of the present invention;

FIG. 8 is a schematic view of the structure of the lower hopper, the guide plate and the stopper plate of the present invention;

FIG. 9 is a schematic top view of the lower hopper of the present invention;

FIG. 10 is a schematic view of the construction of the hopper cover of the present invention;

FIG. 11 is a schematic view of a first furcation tube of the present invention;

FIG. 12 is a schematic diagram of a second furcation tube of the present invention;

FIG. 13 is a schematic view of the construction of the bag house dust collector of the present invention;

FIG. 14 is a schematic structural view of the air-lock discharge device of the present invention;

FIG. 15 is a schematic structural view of a flue gas dust removal device according to the present invention;

wherein each numerical designation refers to a particular meaning, element, and/or component, respectively, as follows in the figures.

In the figure: 1. stone silo, 2, stone conveyer belt, 3, trommel, 4, buffer silo, 5, measuring silo, 6, feeding frame, 601, unloading rail, 7, speed-changing type skip car, 8, quantitative uniform distributor, 9, quantitative air locking mechanism, 901, upper hopper, 902, material guiding hopper, 903, driving device, 904, traction chain, 905, material cup, 906, lower hopper, 907, inner cone, 908, sealing strip mounting groove, 909, first connecting lug, 910, second connecting lug, 911, hopper cover, 912, closing plate, 913, opening frame, 914, buffer chain, 915, travel switch, 10, automatic distributing and supplementing mechanism, 1001, first branch pipe, 1002, first branch pipe, 1003, second branch pipe, 1004, second branch pipe, 1005, gate, 1006, driving cylinder, 1007, supporting seat, 11, sleeve type lime kiln, 12, combustor, 13, air locking and unloading device, 14. a material collecting bin 15, a material conveying device 16, a flue gas heat recovery device 17, a flue gas dust removal device 1701, a second dust removal box 1702, a separation frame 1703, a dust collecting hopper 1704, a second dust removal cloth bag 1705, a second partition plate 18, a flue gas discharge chimney 19, a first vibrating feeder 20, a second vibrating feeder 21, a first weighing sensor 22, a first control valve 23, a second weighing sensor 24, a pneumatic bin door 25, haulage rope, 26, hoist engine, 27, cylinder, 28, counter weight car, 29, encoder, 30, material level detection sensor, 31, temperature sensor, 32, color sensor, 33, direction positioning mechanism, 3301, guide bar, 3302, connecting plate, 3303, deflector, 3304, backstop board, 34, sack dust collector, 3401, first dust removal box, 3402, first baffle, 3403, first dust removal sack.

Detailed Description

The invention is further illustrated by the following specific examples. The use and purpose of these exemplary embodiments are to illustrate the present invention, not to limit the actual scope of the present invention in any way, and not to limit the scope of the present invention in any way.

As shown in fig. 1, 2, 13, 14 and 15, a lime production line comprises a stone bin 1, a control valve plate is arranged at the discharge end of the stone bin 1, the control valve plate is connected with a controller and is connected with a stone conveyor belt 2 through a first vibrating feeder 19, the discharging amount can be accurately controlled by arranging the first vibrating feeder 19, the first vibrating feeder 19 and a second vibrating feeder 20 both adopt electromagnetic vibrating feeders, and the feeding amount can be accurately controlled by adjusting the current of the electromagnetic vibrating feeders due to high frequency and small amplitude when the electromagnetic vibrating feeders work, and the feeding accuracy is higher than that of a traditional belt scale or an eccentric motor vibrating feeder in cooperation with static metering;

a cloth bag dust removal device 34 is arranged between the stone conveying belt 2 and the first vibrating feeder 19, the dust generated during feeding can be adsorbed by the cloth bag dust removal device 34, the dust is prevented from escaping into the air and affecting the working environment, as shown in fig. 13, the cloth bag dust removal device 34 comprises a first dust removal box 3401, the first dust removal box 3401 is arranged on the first support frame, the bottom of the first dust removal box 3401 is connected with a dust collection hopper, the dust collection hopper is connected with the first vibrating feeder 19 through a dust removal pipeline, the dust generated during feeding of the first vibrating feeder 19 is absorbed through the dust removal pipeline, the bottom discharge end of the dust collection hopper is also connected with the stone conveying belt 2 through a discharge pipeline, the dust accumulated in the first dust removal box 3401 can be collected through the dust collection hopper and conveyed to the lime conveying belt through the discharge pipeline, and conveyed to the rotary screen 3 through the lime conveying belt, screening by the drum screen 3, and conveying the materials and dust with smaller granularity to a designated area by a conveying belt for using the building materials;

an inner cavity of the first dust removal box body 3401 is divided into a first dust removal cavity and a first air induction cavity by a first partition plate 3402, a plurality of first dust removal cloth bags 3403 are arranged on the first partition plate 3402 and positioned in the first dust removal cavity, the plurality of first dust removal cloth bags 3403 are communicated with the first air induction cavity through holes arranged on the first partition plate 3402, a second induced draft fan is communicated with the first air induction cavity and is installed on the first dust removal box body 3401 through a fan bracket, negative pressure is formed in the first air induction cavity through the operation of the second fan, then air flow in the first dust removal cavity enters the first air induction cavity through the first dust removal cloth bags 3403, dust in the air flow is adsorbed on the first dust removal cloth bags 3403 to realize the dust removal effect, and the arrow in fig. 13 shows the air flow direction;

the stone conveyer belt 2 conveys stones in the stone bin 1 to the rotary screen 3, the stones conveyed by the stone conveyer belt 2 can be screened by arranging the rotary screen 3, the materials with smaller granularity are screened out, the discharge end of the rotary screen 3 is connected with the buffer bin 4, the screened materials can be temporarily stored by arranging the buffer bin 4, the discharge end of the buffer bin 4 is connected with the measuring bin 5 through the second vibrating feeder 20, the materials can be measured through the measuring bin 5, the materials in the measuring bin 5 can be ensured to completely enter the variable-speed skip 7, the bottom of the measuring bin 5 is connected with the feeding rack 6, the variable-speed skip 7 is installed on the feeding rack 6, when the variable-speed skip 7 is positioned at the bottom of the feeding rack 6, the discharge port at the bottom of the measuring bin 5 is arranged corresponding to the feed port of the variable-speed skip 7, the measured stones flow into the variable-speed skip 7, the lime kiln is conveyed to the top of a feeding machine frame 6 through a skip car, the top of the feeding machine frame 6 is connected with a quantitative uniform distributor 8, the quantitative uniform distributor 8 can be used for sealing when the top of a sleeve type lime kiln 11 is fed, the problem of smoke leakage and dust leakage at the top of the sleeve type lime kiln 11 during feeding is avoided, meanwhile, automatic material distribution can be realized according to the detection of the height of a charge level in the sleeve type lime kiln 11, the feeding amount of different areas is adjusted, the charge level tends to be flat, the ventilation in the kiln body is uniform, the occurrence of abnormal conditions such as nodulation and the like is avoided, the production quality and the production efficiency of lime are ensured, and the stone measured in a measuring bin 5 is conveyed to the quantitative uniform distributor 8 through a variable speed skip car 7;

the bottom of the quantitative uniform distributor 8 is communicated with a sleeve type lime kiln 11, the sleeve type lime kiln 11 comprises an outer kiln body and an inner kiln body, the outer kiln body is sleeved outside the inner kiln body, heat preservation layers are arranged on the inner side wall of the outer kiln body and the outer side wall of the inner kiln body, a material layer for calcining lime is formed between the two heat preservation layers, the sleeve type lime kiln 11 sequentially comprises a preheating zone, a calcining zone, a heat preservation zone and a cooling zone from top to bottom, a plurality of burners 12 are arranged on the periphery of the calcining zone area of the sleeve type lime kiln 11, the burners 12 are arranged on the periphery, so that the calcining area of the lime kiln is heated more uniformly, the heat utilization rate is higher, a plurality of air locking discharging devices 13 are arranged at the bottom of the sleeve type lime kiln 11, the problem of discharging leakage of discharging can be prevented through the air locking discharging devices 13, meanwhile, each air locking discharging device 13 can be controlled independently, and a metering device is arranged on each air locking discharging device 13, the accumulated ash amount of the position can be accurately counted, so that the flowing speed of the position and the flatness of the charge level are determined, the level of the charge level is ensured by changing the operation speed and the times of the air locking discharging device 13, the bottom of the air locking discharging device 13 is provided with a material collecting bin 14, finished lime can be preliminarily collected by arranging the material collecting bin 14, the discharging end of the material collecting bin 14 is connected with a material conveying device 15 through a chain plate scale, and the lime can be conveyed to a designated area through the chain plate scale and the material conveying device 15;

the top of the sleeve-type lime kiln 11 is also communicated with a flue gas heat recovery device 16, the flue gas waste heat after combustion can be utilized by arranging the flue gas heat recovery device 16, the utilization efficiency of energy is improved, the flue gas heat recovery device 16 is provided with a combustion-supporting air inlet and a combustion-supporting air outlet, the combustion-supporting air outlet is respectively communicated with the combustor 12, the flue gas heat recovery device 16 can heat the combustion-supporting air, the heated combustion-supporting air enters the combustor 12, the utilization rate of fuel gas is improved, the temperature in the kiln body is more balanced, larger fluctuation is avoided, the bottom of the flue gas heat recovery device 16 is communicated with a flue gas dust removal device 17, the flue gas dust removal device 17 is arranged to collect and remove particles such as dust in the flue gas, so that the flue gas treated by the flue gas dust removal device 17 reaches a standard range, and the flue gas dust removal device 17 is communicated with a flue gas emission chimney 18 through a first induced draft fan;

as shown in fig. 15, the flue gas dust removal device 17 includes a second dust removal box body 1701, the second dust removal box body 1701 is mounted on a second support frame, two dust collection hoppers 1703 are oppositely disposed at the bottom of the second dust removal box body 1701, both the two dust collection hoppers 1703 are communicated with the second dust removal box body 1701, screw conveyors are respectively disposed at the bottoms of the two dust collection hoppers 1703, dust can be collected by the dust collection hoppers 1703, and the collected dust can be conveyed to a designated area by the screw conveyors;

a separation frame 1702 is arranged in the inner cavity of the second dust removal box body 1701 along the horizontal direction, a flue gas inlet is arranged at the bottom of the separation frame 1702 and on one side of the second dust removal box body 1701, a flue gas outlet is arranged at the top of the separation frame 1702 and on the other side of the second dust removal box body 1701, and the flue gas inlet and the flue gas outlet can be separated by the separation frame 1702;

the bottom of the partition frame 1702 is also respectively communicated with two dust collecting hoppers 1703, so that the flue gas coming from the flue gas inlet is firstly subjected to primary particulate matter deposition and collection through the two dust collecting hoppers 1703, the top of the partition frame 1702 is connected with a second partition plate 1705, the second partition plate 1705 divides the second dust removal box body 1701 into a second dust removal cavity and a second air induction cavity, a plurality of second dust removal cloth bags 1704 are arranged on the second partition plate 1705 and positioned in the second dust removal cavity, the plurality of second dust removal cloth bags 1704 are communicated with the second air induction cavity through holes arranged on the second partition plate 1705, the second air induction cavity is communicated with a flue gas outlet through a lifting type sealing plate 912, the flue gas outlet is communicated with a first induced draft fan through a flue gas discharge pipeline, negative pressure is formed in the second air induction cavity through the operation of the first induced draft fan, and further the flue gas in the second dust removal cavity enters the second air induction cavity through the second dust removal cloth bags 1704, particulate matters such as dust in the flue gas are adsorbed on the second dust removal cloth bag 1704, so that a good flue gas dust removal effect is achieved, and the arrow in fig. 15 shows the flow direction of the flue gas.

In this embodiment, as shown in fig. 1, a first weighing sensor 21 is installed on the buffering bin 4, the first weighing sensor 21 can detect the weight of the material in the buffering bin 4, when the weight of the material in the buffering bin 4 reaches a set range value, the stone conveyor belt 2, the first vibrating feeder 19, the trommel screen 3 and the like all stop operating, a first control valve 22 is installed at the discharge end of the buffering bin 4, the opening of the buffering bin 4 can be controlled by setting the first control valve 22, a second weighing sensor 23 is installed on the metering bin 5, the capacity of the stone in the metering bin 5 is smaller than the capacity of the variable speed type skip 7, a pneumatic bin gate 24 is installed at the discharge end of the metering bin 5, the second weighing sensor 23 can detect the weight of the material in the metering bin 5 in real time, so as to prevent the material amount in the metering bin 5 from being more than the variable speed skip 7 and causing overflow when the material is loaded onto the variable speed skip 7, when the weight of the materials in the metering bin 5 reaches a set range value, the first control valve 22 controls the buffer bin 4 to be closed, the pneumatic bin door 24 is arranged to control the opening of the metering bin 5, and the first weighing sensor 21, the first control valve 22, the second weighing sensor 23 and the pneumatic bin door 24 are all connected with the controller.

In this embodiment, as shown in fig. 1, the traction end of the variable-speed skip 7 is connected with a traction rope 25, the traction rope 25 goes around a roller on the feeding frame 6, the traction rope 25 goes around a roller 27 of a winch 26, the variable-speed skip 7 can be driven to move on the feeding frame 6 through the winch 26, one end of the traction rope 25, which is far away from the variable-speed skip 7, is connected with a counterweight skip 28, the counterweight skip 28 is slidably mounted on the feeding frame 6, and the acting force generated when the winch 26 pulls the variable-speed skip 7 is reduced by arranging the counterweight skip 28, so that the stability of the variable-speed skip 7 during operation is ensured;

still install encoder 29 on hoist engine 26's the cylinder 27, encoder 29 and hoist engine 26 all connect the controller, and encoder 29 can detect the position of variable speed formula skip 7, and then adjusts hoist engine 26's functioning speed, and then adjusts the travelling speed of variable speed formula skip 7, under the prerequisite of stabilizing the pay-off, saves the material loading time, improves material loading efficiency.

In this embodiment, referring to fig. 1 and 14, a plurality of level detecting sensors 30 are arranged at the top preheating zone of the sleeve lime kiln 11, the material level detection sensor 30 can detect the flatness of the material surface in the sleeve type lime kiln 11, the discharge port of the air locking discharge device 13 is respectively provided with a temperature sensor 31 and a color sensor 32 for detecting finished lime, the material level detection sensor 30, the temperature sensor 31 and the color sensor 32 are all connected with a controller, the controller is connected with an alarm, the temperature sensor 31 can detect the temperature value of the finished lime, the input parameter and the cooling air parameter of the combustor 12 are adjusted according to the detected temperature value, the color sensor 32 can detect whether red materials exist in the finished lime, namely burning the unearthed materials, thereby adjusting the input of fuel gas and combustion-supporting gas, and alarming to remind the staff.

In this embodiment, referring to fig. 1 and 2, the quantitative uniform distributor 8 includes a quantitative air-lock mechanism 9 and an automatic distribution material-supplement mechanism 10, the automatic distribution material-supplement mechanism 10 is located at the bottom of the quantitative air-lock mechanism 9 and is communicated with the quantitative air-lock mechanism 9, the bottom of the automatic distribution material-supplement mechanism 10 is connected with a sleeve-type lime kiln 11, the quantitative air-lock mechanism 9 is used for sealing and locking the top of the sleeve-type lime kiln 11 when the variable-speed skip 7 discharges to the top of the sleeve-type lime kiln 11, so as to avoid the problems of smoke leakage and dust leakage, the automatic distribution material-supplement mechanism 10 is used for automatically adjusting the discharging amount according to the flatness of the charge level detected by the charge level sensor, so as to make the charge level tend to be flat, and ensure the calcination quality and calcination effect.

In this embodiment, as shown in fig. 2 to 9, the quantitative air locking mechanism 9 includes an upper hopper 901, one side of the upper hopper 901 is communicated with a material guiding hopper 902, a feeding end of the material guiding hopper 902 is arranged corresponding to a discharging end of a variable speed skip 7 on the material loading frame 6, a driving device 903 is installed at the top of the upper hopper 901, the driving device 903 may be an air cylinder or a hydraulic cylinder, a piston rod of the driving device 903 extends to an inner cavity of the upper hopper 901 and is connected with a traction chain 904, and one end of the traction chain 904, which is far away from the driving device 903, is connected with a material cup 905;

the bottom of the upper hopper 901 is communicated with a lower hopper 906 through a bolt, an inner cone 907 is arranged between the upper hopper 901 and the lower hopper 906, a material cup 905 is matched with a discharge hole of the inner cone 907, the discharge hole of the inner cone 907 can be closed through the material cup 905, smoke in the sleeve type lime kiln 11 is prevented from leaking outwards when the variable speed type skip 7 is used for feeding, meanwhile, materials conveyed by the variable speed type skip 7 can be temporarily stored in the upper hopper 901 through the material cup 905, the material cup 905 can move downwards for discharging only after a hopper cover 911 of the material guide hopper 902 is closed, a guide positioning mechanism 33 is further arranged between the material cup 905 and the inner side wall of the lower hopper 906, and the position degree and the stability of the material cup 905 in the downward movement are guaranteed through the arrangement of the guide positioning mechanism 33;

in addition, still arrange at the top of upper portion hopper 901 and be connected with a plurality of buffer chain 914, buffer chain 914 is close to guide hopper 902 department and sets up, and buffer chain 914's effect lies in slowing down the blanking speed of building stones, plays certain fender material dustproof effect.

In this embodiment, as shown in fig. 2 and fig. 6 to fig. 9, the guiding and positioning mechanism 33 includes a positioning frame, the positioning frame includes a plurality of guide bars 3301, the plurality of guide bars 3301 are arranged uniformly in a radial shape and are respectively connected to the bottom of the material pot 905, the top and the bottom of the plurality of guide bars 3301 are respectively connected to a connecting plate 3302, and the stability of the positioning frame is ensured by the arrangement of the connecting plate 3302, in this embodiment, three guide bars 3301 are arranged uniformly, one end of each guide bar 3301 is connected together, the other end abuts against the inner side wall of the lower hopper 906, and the three guide bars 3301 are respectively connected to the bottom of the material pot 905;

one end of each guide rod 3301, which is close to the inner side wall of the lower hopper 906, abuts against a guide plate 3303, the guide plates 3303 are mounted on the side wall of the lower hopper 906 in a bolt or welding mode, and a space for limiting the sliding direction of the guide rods 3301 is formed between the guide plates 3303, so that the guide rods 3301 can only slide along the vertical direction, and the material cup 905 is prevented from shaking and deflecting in the downward moving process;

and the inner side wall of the lower hopper 906 and the bottom close to the guide plate 3303 are respectively provided with a stop plate 3304 for limiting the movement of the guide rod 3301, and the maximum stroke of the material cup 905 moving downwards is limited by arranging the stop plate 3304.

In this embodiment, as shown in fig. 4 and 5, the inner cone 907 is a trumpet-shaped structure, the aperture of the top of the inner cone 907 is larger than that of the bottom of the inner cone 907, so that smooth blanking is facilitated, a sealing strip mounting groove 908 is formed in the periphery of a discharge port at the bottom of the inner cone 907, a sealing strip is mounted in the sealing strip mounting groove 908, and the sealing property of contact between the inner cone 907 and the material cup 905 is ensured by the sealing strip, so that air leakage is avoided;

the material handleless cup 905 is a conical structure, the material handleless cup 905 is designed into the conical structure, the conical structure is more tightly attached to a discharge hole of an inner cone 907, the sealing effect is better, the inside and the bottom of the material handleless cup 905 are arranged in a hollow mode, the weight of the material handleless cup 905 is reduced, a first connecting lug 909 connected with a traction chain 904 is arranged at the top of the material handleless cup 905, a plurality of second connecting lugs 910 connected with a guide rod 3301 are arranged on the periphery of the bottom of the material handleless cup 905, the material handleless cup 905 is connected with the traction chain 904 through the first connecting lugs 909, and the material handleless cup 905 is connected with the guide rod 3301 through the second connecting lugs 910.

In this embodiment, as shown in fig. 1-3 and 10, a hopper cover 911 is hinged to the material guiding hopper 902, a travel switch 915 is disposed between the hopper cover 911 and the material guiding hopper 902, the hopper cover 911 includes a closing plate 912, the closing plate 912 is adapted to the feeding end of the material guiding hopper 902 to close the material guiding hopper 902 to prevent air leakage and smoke leakage, an opening frame 913 is connected to the closing plate 912, the opening frame 913 is disposed in an inclined manner, the top of the feeding frame 6 is provided with two discharging rails 601, the two discharging rails 601 are disposed in an arc-shaped configuration and are respectively connected to the feeding frame 6, two pairs of rollers are disposed at the bottom of the variable speed type skip 7 and roll on the two discharging rails 601 respectively, the variable speed type skip 7 is close to the hopper cover 911 through the discharging rails 601 and can be discharged in an inclined manner, when the variable speed type skip 7 moves to the discharging rails 601, the hopper cover 911 is opened by the opening frame and is discharged, when the variable speed skip 7 of the feeding rack 6 moves to the discharging rail 601, the variable speed skip 7 jacks the opening frame 913, the hopper cover 911 is opened through the opening frame 913 to discharge, when discharging is completed and the variable speed skip 7 moves downwards, the hopper cover 911 is covered on the material guide hopper 902 again under the action of self gravity, sealing is achieved, diffusion of smoke and dust during feeding of the variable speed skip 7 and downward movement of the material cup 905 during discharging is reduced, and through double sealing of the hopper cover 911 and the material cup 905, air locking and smoke locking effects during feeding of the top of the sleeve type lime kiln 11 are guaranteed, and the problem of smoke leakage and dust leakage is avoided.

In this embodiment, as shown in fig. 2, 11 and 12, the automatic distribution feeding mechanism 10 includes a first branch pipe 1001, the top of the first branch pipe 1001 is communicated with a lower hopper 906 through a bolt, the bottom of the first branch pipe 1001 is relatively provided with two first branch pipes 1002, the bottom of any one of the first branch pipes 1002 is respectively communicated with a second branch pipe 1003 through a bolt, and the bottom of the second branch pipe 1003 is relatively provided with two second branch pipes 1004, so that the four second branch pipes 1004 are communicated with the sleeve-type lime kiln 11, and uniform material distribution at the top of the sleeve-type lime kiln 11 is realized, in this embodiment, the first branch pipe 1001 and the second branch pipe 1003 have the same structure, and the difference lies in that the calibers of the branch pipes are different;

diversion gate valves are arranged at the inner cavity branches of the first branch pipe 1001 and the second branch pipe 1003 respectively, each diversion gate valve comprises a gate 1005, one end of each gate 1005 is rotatably arranged at the inner cavity branches of the first branch pipe 1001 and the second branch pipe 1003 respectively, the flashboards 1005 are respectively matched with the first shunt pipe 1002 and the second shunt pipe 1004, the flashboards 1005 are respectively hinged on a piston rod of the driving cylinder 1006, the cylinder body of the driving cylinder 1006 is respectively hinged on a supporting seat 1007, the supporting seats 1007 are respectively arranged on the first branch pipe 1001 and the second branch pipe 1003, when the material level detecting sensor 30 detects that the material level of the sleeve-type lime kiln 11 is not flat, the material level of different areas at the top of the sleeve-type lime kiln 11 tends to be flat by adjusting the blanking amount of each diversion pipeline through the diversion gate valve, so as to ensure the calcining quality and the calcining effect, wherein A in figures 11 and 12 shows the rotation angle.

For ease of understanding, the working process of the present embodiment is given below:

as shown in fig. 1-15, the stones in the stone silo 1 are discharged onto the stone conveyor belt 2 through the first vibrating feeder 19, conveyed into the trommel screen 3 through the stone conveyor belt 2, screened through the trommel screen 3, and then enter into the buffer bin 4, when the stones in the buffer bin 4 reach a set value, the feeding is stopped, the discharge end of the buffer bin 4 is connected with the measuring bin 5 through the second vibrating feeder 20, when the stones in the measuring bin 5 reach the set value, the discharging of the buffer bin 4 is stopped, the bottom of the measuring bin 5 is connected with the feeding rack 6, when the variable speed skip 7 on the feeding rack 6 moves to the bottom of the feeding rack 6, the pneumatic bin gate 24 in the measuring bin 5 is opened, all the stones in the measuring bin 5 enter into the variable speed skip 7, the variable speed skip 7 is driven by the winch 26 to move to the top of the feeding rack 6, because the encoder 29 is installed on the roller 27 of the winch 26, the position of the variable-speed skip car 7 is detected through the encoder 29, and the running speed of the winch 26 is adjusted, so that variable-speed feeding of the variable-speed skip car 7 is realized;

when the variable-speed skip 7 moves to the discharging rail 601 of the feeding frame 6, the variable-speed skip 7 opens the hopper cover 911 through the opening frame 913 and discharges materials, stone enters the upper hopper 901 for storage, after the variable-speed skip 7 finishes discharging, the hopper cover 911 is closed again under the action of self gravity, then a piston rod of the driving device 903 extends to drive the material cup 905 to move downwards, the stone in the upper hopper 901 falls to the lower hopper 906 through a discharge hole of the inner cone 907 during the movement of the material cup 905, the lower hopper 906 is communicated with the first branch pipes 1001, two first branch pipes 1002 of the first branch pipes 1001 are communicated with the second branch pipes 1003, second branch pipes 1004 of the second branch pipes 1003 are respectively communicated with the sleeve type lime kiln 11, and meanwhile, diversion gate valves are respectively arranged at the branching positions of inner cavities of the first branch pipes 1001 and the second branch pipes 1003, the flatness of the material level is detected by a material level detection sensor 30 in the sleeve type lime kiln 11, and when the material level is not flat, the blanking amount of each second shunt pipeline 1004 is controlled by a diversion gate valve, so that the material level tends to be flat;

then, stone enters a material layer of the sleeve-type lime kiln 11, the stone is calcined by the combustor 12, calcined finished lime is discharged into the collecting bin 14 by the air locking discharging device 13, meanwhile, the temperature value of the finished lime and whether red materials exist are detected by the temperature sensor 31 and the color sensor 32, the input parameter of the combustor 12 and the parameter of cooling air are adjusted according to the temperature value, the input of gas components and combustion-supporting gas is adjusted according to the color sensor 32, the alarm reminding is carried out, and the lime in the collecting bin 14 is conveyed to a designated area by the chain plate scale and the material conveying device 15;

the combustion flue gas at the top of the sleeve type lime kiln 11 is communicated with a flue gas heat recovery device 16, a combustion-supporting air inlet and a combustion-supporting air outlet are arranged on the flue gas heat recovery device 16, the input combustion-supporting air is heated by the flue gas heat recovery device 16, the heated combustion-supporting air is conveyed into the combustor 12 for use, the bottom of the flue gas heat recovery device 16 is communicated with a flue gas dust removal device 17, the flue gas dust in the flue gas is treated by the flue gas dust removal device 17, the treated flue gas is conveyed to a flue gas emission chimney 18 by a first induced draft fan, and the flue gas is emitted to the atmosphere by the flue gas emission chimney 18.

In conclusion, the invention solves the problems that in the existing lime production process, when materials are added at the top of the lime kiln, poor sealing, smoke leakage, dust leakage and inconsistent material surface height are easy to occur, and the lime production quality and the production efficiency are influenced.

It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should also be understood that various alterations, modifications and/or variations can be made to the present invention by those skilled in the art after reading the technical content of the present invention, and all such equivalents fall within the protective scope defined by the claims of the present application.

Claims (10)

1. A lime production line is characterized in that: the stone material metering device comprises a stone material bin, wherein the discharge end of the stone material bin is connected with a stone material conveying belt through a first vibrating feeder, the stone material conveying belt conveys stone materials in the stone material bin to a rotary screen, the discharge end of the rotary screen is connected with a buffer bin, the discharge end of the buffer bin is connected with a metering bin through a second vibrating feeder, the bottom of the metering bin is connected with a feeding rack, a variable-speed skip car is installed on the feeding rack, the top of the feeding rack is connected with a quantitative uniform distributor, and the variable-speed skip car conveys the stone materials metered in the metering bin to the quantitative uniform distributor;

the bottom of the quantitative uniform distributor is communicated with a sleeve type lime kiln, a plurality of burners are arranged around the calcining zone area of the sleeve type lime kiln, a plurality of air locking discharging devices are arranged at the bottom of the sleeve type lime kiln, a material collecting bin is arranged at the bottom of the air locking discharging devices, and the discharging end of the material collecting bin is connected with a material conveying device;

the top of the sleeve type lime kiln is also communicated with a flue gas heat recovery device, the flue gas heat recovery device is provided with a combustion-supporting air inlet and a combustion-supporting air outlet, the combustion-supporting air outlet is respectively communicated with the combustor, the bottom of the flue gas heat recovery device is communicated with a flue gas dust removal device, and the flue gas dust removal device is communicated with a flue gas emission chimney through a first draught fan.

2. The lime production line of claim 1, wherein: install first weighing sensor on the surge bin, first control valve is installed to the discharge end of surge bin, install the second weighing sensor on the measurement storehouse, the capacity of building stones all is less than in the measurement storehouse the capacity of variable speed formula skip, pneumatic door is installed to the discharge end of measurement storehouse, first weighing sensor first control valve second weighing sensor reaches pneumatic door all connection director.

3. The lime production line of claim 2, wherein: the traction end of the variable-speed skip car is connected with a traction rope, the traction rope is wound on a roller of a winch, one end, far away from the variable-speed skip car, of the traction rope is connected with a counterweight car, and the counterweight car is slidably mounted on the feeding rack;

and the drum of the winch is also provided with an encoder, and the encoder and the winch are both connected with the controller.

4. A lime production line as claimed in claim 3, wherein: the device is characterized in that a plurality of material level detection sensors are arranged at a preheating zone at the top of the sleeve type lime kiln, a temperature sensor and a color sensor for detecting finished lime are respectively arranged at a discharge port of the air locking and discharging device, and the material level detection sensors, the temperature sensor and the color sensor are all connected with a controller.

5. The lime production line of claim 1, wherein: the quantitative uniform distributor comprises a quantitative air locking mechanism and an automatic distribution material supplementing mechanism, the automatic distribution material supplementing mechanism is positioned at the bottom of the quantitative air locking mechanism and is communicated with the quantitative air locking mechanism, and the bottom of the automatic distribution material supplementing mechanism is connected with the sleeve type lime kiln.

6. The lime production line of claim 5, wherein: the quantitative air locking mechanism comprises an upper hopper, one side of the upper hopper is communicated with a material guide hopper, a feeding end of the material guide hopper is arranged corresponding to a discharging end of the variable speed type skip car on the feeding frame, a driving device is mounted at the top of the upper hopper, a piston rod of the driving device extends to an inner cavity of the upper hopper and is connected with a traction chain, and one end of the traction chain, which is far away from the driving device, is connected with a material cup;

the bottom of the upper hopper is communicated with a lower hopper, an inner cone is arranged between the upper hopper and the lower hopper, the material cup is matched with a discharge hole of the inner cone, and a guiding and positioning mechanism is further arranged between the material cup and the inner side wall of the lower hopper.

7. The lime production line of claim 6, wherein: the guiding and positioning mechanism comprises a positioning frame, the positioning frame comprises a plurality of guide rods, the guide rods are uniformly arranged in a radial shape and are respectively connected with the bottom of the material cup, and the tops and the bottoms of the guide rods are respectively connected with a connecting plate;

one ends of the guide rods, which are close to the inner side wall of the lower hopper, are respectively abutted against guide plates, and a space for limiting the sliding direction of the guide rods is formed between the guide plates;

and stop plates for limiting the movement of the guide rods are respectively arranged on the inner side wall of the lower hopper and close to the bottoms of the guide plates.

8. The lime production line of claim 7, wherein: the inner cone is of a horn-shaped structure, the aperture of the top of the inner cone is larger than that of the bottom of the inner cone, a sealing strip mounting groove is formed in the periphery of a discharge port at the bottom of the inner cone, and a sealing strip is mounted in the sealing strip mounting groove;

the material handleless cup is of a conical structure, the interior and the bottom of the material handleless cup are arranged in a hollow mode, a first connecting lug connected with the traction chain is arranged at the top of the material handleless cup, and a plurality of second connecting lugs connected with the guide rod are arranged on the periphery of the bottom of the material handleless cup.

9. The lime production line of claim 6, wherein: the material guide hopper is hinged to a hopper cover, the hopper cover comprises a closing plate, the closing plate is matched with the feeding end of the material guide hopper, an opening frame is connected to the closing plate and is obliquely arranged, a discharging rail is arranged at the top of the feeding rack, and when the variable speed type skip car moves to the discharging rail, the variable speed type skip car opens and discharges the hopper cover through the opening frame.

10. The lime production line of claim 6, wherein: the automatic material distribution and supplement mechanism comprises a first branch pipe, the top of the first branch pipe is communicated with the lower hopper, two first branch pipes are oppositely arranged at the bottom of the first branch pipe, the bottom of any one first branch pipe is respectively communicated with a second branch pipe, two second branch pipes are oppositely arranged at the bottom of each second branch pipe, and the second branch pipes are communicated with the sleeve type lime kiln;

first bifurcated pipe reaches the inner chamber branching department of second bifurcated pipe all installs the water conservancy diversion gate valve, the water conservancy diversion gate valve includes the flashboard, the flashboard rotate respectively install in first bifurcated pipe reaches the inner chamber branching department of second bifurcated pipe, just the flashboard respectively with first reposition of redundant personnel pipeline reaches second reposition of redundant personnel pipeline looks adaptation, the flashboard is all articulated to be installed on the piston rod that drives actuating cylinder, the cylinder body that drives actuating cylinder is all articulated to be installed on the supporting seat, the supporting seat install respectively in first bifurcated pipe reaches on the second bifurcated pipe.

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