CN115289834A - Secondary kiln returning calcining equipment based on ceramsite proppant - Google Patents

Abstract

The invention discloses a secondary kiln calcining device based on ceramsite proppant. The calcining cylinder is connected with a diversion cylinder around it. By setting a calcining mechanism, the calcining cylinder is firstly subjected to flame spraying, so as to achieve a secondary return flow in the kiln cylinder. The purpose of kiln-calcined ceramsite proppant is to provide sufficient heat, and then the heat generated by the flame injection of the calcining cylinder is evenly blown into the kiln cylinder, so that the heat is evenly distributed in the kiln cylinder, and the temperature of the ceramsite proppant calcined in the secondary kiln is increased. It is required to set up a rotary screening mechanism to rotate the kiln cylinder at a uniform speed, so that the ceramsite proppant calcined in the kiln cylinder can be fully contacted with the evenly distributed heat, so as to achieve the purpose of uniform calcination and improve the secondary kiln calcination. The quality of the finished product of the ceramsite proppant can improve the quality of the finished product of the ceramsite proppant. By setting the adjustment mechanism, the inclination angle of the calcining cylinder and the kiln cylinder can be adjusted to meet the rapid calcination and blanking requirements of the ceramsite proppant calcined by the secondary kiln, and improve the secondary calcination of the ceramsite proppant. The calcination efficiency of the second kiln.

Description

A secondary kiln calcination equipment based on ceramsite proppant

technical field

The invention relates to the technical field of ceramsite proppant manufacturing equipment, in particular to a secondary kiln calcination equipment based on ceramsite proppant.

Background technique

Ceramsite proppant is widely used in oil extraction process. Ceramsite proppant refers to natural sand or artificial high-strength ceramic particles with a certain particle size and gradation, and is made of bauxite through powder granulation and sintering. , has the characteristics of high temperature resistance, high pressure resistance, corrosion resistance, high strength, high conductivity, low density, low breakage rate, etc., and is the most widely used.

However, after the primary calcination of ceramsite proppant, in order to obtain higher quality ceramsite proppant, it needs to undergo secondary calcination treatment, and the existing secondary calcination equipment generally adopts the same process as the first calcination process. The method of returning to the pit for calcination, but the temperature control is slightly different, and the combination of gas ignition and wind blowing cannot be used to uniformly heat up the secondary pit calcination equipment, which cannot meet the requirements of the ceramsite proppant for the secondary pit calcination. At the same time, the ceramsite proppant in the secondary kiln calcination equipment cannot be rotated at a low speed, so as to reduce the contact area between the ceramsite proppant and the heat, and directly reduce the ceramsite proppant secondary kiln calcination. Quality, for this reason, proposes a secondary kiln calcination equipment based on ceramsite proppant.

Contents of the invention

The purpose of the present invention is to provide secondary kiln calcination equipment based on ceramsite proppant, so as to solve the problem that the combination of gas ignition and wind blowing can not be used to uniformly heat up the secondary kiln calcination equipment proposed in the above background technology, and the temperature cannot be reached. The ceramsite proppant requires the balanced distribution of heat required for the secondary kiln calcination. At the same time, the ceramsite proppant in the secondary kiln calcination equipment cannot be rotated at a low speed, which reduces the contact area between the ceramsite proppant and the heat, and the quality is low. The problem.

In order to achieve the above object, the present invention provides the following technical solution: a secondary kiln calcination equipment based on ceramsite proppant, including a calcination cylinder, the surrounding of the calcination cylinder is connected with a guide tube, and the tail end of the calcination cylinder is connected to There is a large cut-off valve, the other end of the large cut-off valve is connected with a kiln barrel, a hopper is arranged on the left side of the top of the kiln barrel, and the tail end of the kiln barrel is connected with a kiln tail lowering cylinder, and the kiln tail The front of the lower material cylinder is provided with a cleaning port and the front of the cleaning port is provided with a cleaning cover plate, and the inner cavity of the calcining cylinder is provided with a calcining mechanism used in conjunction with the kiln barrel;

The bottom of the kiln barrel is provided with a fixed box, and the inner cavity of the fixed box is provided with a rotary screening mechanism used in conjunction with the kiln barrel;

A mounting frame is provided below the fixed box, and an adjusting mechanism used in conjunction with the calcining cylinder and the kiln cylinder is provided in the inner cavity of the mounting frame.

Preferably, the calcination mechanism includes a flamethrower, the flamethrower is fixed on the head end of the calcination cylinder and an igniter is embedded in the front of the flamethrower, a gas leakage sensor is embedded in the top of the flamethrower, and the flamethrower The outlet is connected with a fire-spraying hood, and the surroundings of the fire-spraying hood are provided with flow-through holes used in conjunction with the calcining cylinder. The other end of the one-way valve communicates with the inner cavity of the kiln barrel, and a temperature sensor is embedded on the left side of the front of the kiln barrel.

Preferably, the rotary screening mechanism includes a sealing rotary sleeve, the sealing rotary sleeve is arranged on the inner end of the large shut-off valve and the kiln barrel, and both sides of the inner cavity of the sealing rotary sleeve are ring-shaped. The inner cavity of the turn slot is rotatably connected with a convex ring that is fixedly matched with the large shut-off valve and the kiln barrel. The two sides of the kiln barrel are fixedly connected with an annular rack frame, and the left side of the fixed box is fixedly connected with a servo motor and The output shaft of the servo motor is fixedly connected with a reducer and a drive gear sequentially from left to right, the top of the drive gear meshes with the bottom of the ring rack frame, and the interlayer of the kiln tail lower barrel is fixedly connected with a ring screen frame.

Preferably, the adjustment mechanism includes a T-shaped chute, two sets of T-shaped chute are horizontally opened in the inner cavity of the mounting frame, a stepping motor is fixedly connected to the right side of the mounting frame and the output shaft of the stepping motor A screw rod is fixedly connected, the surface of the screw rod is threadedly connected with a threaded cylinder and the outer side of the threaded cylinder is fixedly connected with an adjustment seat, and the four sides of the adjustment seat are fixedly connected with a T-shaped slide block slidingly matched with the T-shaped chute , the top of the adjustment seat is hinged with an adjustment frame that is hingedly matched with the calcining cylinder.

Preferably, the top of the flame injector communicates with a gas injection port and the top of the gas injection port is provided with a sealing cap.

Preferably, the seal swivel is fixedly connected with thickened seal rings near the large shut-off valve and the kiln barrel.

Preferably, guide blocks are fixedly connected around the inner cavity of the guide tube close to the electric blower fan, and guide holes are opened in the inner cavity of the guide block.

Preferably, both sides of the kiln barrel are provided with an annular groove, and the inner cavity of the annular groove is rotatably connected with a limit ring fixedly fitted with the fixed box.

Preferably, the right side of the bottom of the fixed box is hinged with a support frame that is fixedly matched with the installation frame, the left side of the fixed box is fixedly connected with the limit rods in sequence from front to back, and the front and rear sides of the installation frame are fixedly connected There is a limit frame slidingly matched with the limit rod.

Compared with prior art, the beneficial effect of the present invention is:

1. In the present invention, by setting up the calcination mechanism, the flame is injected into the calcination cylinder by the cooperation of the flame injector, igniter, gas leakage sensor, fire spray cover and flow-through hole, so as to achieve the ceramsite that is returned to the kiln for secondary calcination in the kiln cylinder. The purpose of the proppant is to provide sufficient heat, and then the heat generated by the flame injection of the calcination cylinder is evenly blown into the kiln cylinder by the cooperation of the electric blower, the one-way valve and the temperature sensor, so that the heat is evenly distributed in the kiln cylinder, and the secondary return is improved. The temperature requirements of the ceramsite proppant calcined in the kiln are determined by setting the rotary screening mechanism, the drive source is provided by the servo motor, and then the sealing rotary sleeve, the rotary groove, the convex ring, the ring rack, the reducer, the driving gear and the ring screen With the cooperation of the frame, the kiln barrel is rotated at a constant speed, so that the ceramsite proppant in the kiln barrel for the second kiln calcination is fully contacted with the evenly distributed heat, so as to achieve the purpose of uniform calcination and improve the ceramsite proppant for the second kiln calcination. The quality of the finished product, through the setting of the adjustment mechanism, the drive source is provided by the stepping motor, and then the T-shaped chute, the screw rod, the threaded cylinder, the adjustment seat, the T-shaped slider and the adjustment frame cooperate to control the calcining cylinder and the kiln cylinder. The inclination angle is adjusted to meet the needs of rapid calcination and cutting of ceramsite proppant for secondary kiln calcination, and improve the efficiency of ceramsite proppant secondary kiln calcination.

2. In the present invention, through the gas injection port and the sealing cap, it is convenient for the staff to continuously inject gas fuel into the flamethrower, so as to prevent the flamethrower from losing fuel and causing fire interruption. , improve the seal between the sealing sleeve and the large stop valve and the kiln barrel, and prevent the ceramsite proppant in the kiln barrel from leaking from the position of the sealing sleeve.

3. In the present invention, through the guide block and the guide hole, the wind force generated by the electric blower fan reaches the kiln barrel evenly, prevents the air flow inside the guide tube from being disturbed, improves the air outlet efficiency in the guide tube, and passes through the annular concave The groove and the limit ring provide limit support compensation for the kiln barrel rotating at a constant speed, and improve the stability of the kiln barrel rotation. Through the support frame, limit rod and limit frame, when the angle of the calciner and kiln barrel is adjusted, the Limit compensation is made between the calcining cylinder, the kiln cylinder and the fixed box to improve the stability during the angle adjustment process of the calcining cylinder and kiln cylinder.

In the present invention, by setting up a calcination mechanism, flame injection is first performed on the calcination cylinder to achieve the purpose of providing sufficient heat for the ceramsite proppant in the kiln cylinder that is returned to the kiln for secondary calcination, and then the heat generated by the flame injection of the calcination cylinder is evenly blown into the kiln cylinder , so that the heat is evenly distributed in the kiln barrel, and the temperature requirements of the ceramsite proppant for secondary kiln calcination are increased. By setting a rotary screening mechanism, the kiln barrel is rotated at a uniform speed, so that the ceramsite proppant for secondary calcination in the kiln barrel is supported. The full contact between the proppant and the evenly distributed heat can achieve the purpose of uniform calcination, and improve the quality of the finished product of the ceramsite proppant for secondary kiln calcination. By setting the adjustment mechanism, the inclination angle of the calcination cylinder and the kiln cylinder Make adjustments to meet the rapid calcination and blanking requirements of the ceramsite proppant for secondary kiln calcination, and improve the ceramsite proppant's secondary kiln calcination efficiency.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a structural side view of the present invention;

Fig. 3 is a partial front view of the structure of the present invention;

Fig. 4 is the structural sectional view of calcining cylinder and guide cylinder of the present invention;

Fig. 5 is a partial cross-sectional view of the structure of the sealing sleeve of the present invention;

Fig. 6 is the partial front view sectional view of the structure of the kiln barrel of the present invention;

Fig. 7 is a partial top sectional view of the structure of the mounting bracket of the present invention.

In the figure: 1. Calcination cylinder; 2. Guide cylinder; 3. Large cut-off valve; 4. Kiln cylinder; 5. Kiln tail lowering cylinder; 6. Calcination mechanism; Gas leakage sensor; 64, fire spray cover; 65, flow hole; 66, electric blower fan; 67, one-way valve; 68, temperature sensor; 7, fixed box; 8, rotary screening mechanism; 81, sealing sleeve; 82, transfer groove; 83, protruding ring; 84, ring rack rack; 85, servo motor; 86, reducer; 87, driving gear; 88, ring screen frame; T-shaped chute; 102, stepping motor; 103, screw mandrel; 104, threaded cylinder; 105, adjusting seat; 106, T-shaped slide block; 107, adjusting frame; 13, support frame.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Example 1

Please refer to Figures 1-7, the present invention provides a technical solution: a secondary kiln calcination equipment based on ceramsite proppant, including a calcining cylinder 1, and a guide cylinder 2 is connected around the calcining cylinder 1, and the calcining cylinder 1 The tail end of the kiln tube 4 is connected with a large cut-off valve 3, the other end of the large stop valve 3 is connected with a kiln tube 4, a feeding hopper is arranged on the left side of the top of the kiln tube 4, and the tail end of the kiln tube 4 is connected with a kiln tail lower material tube 5, The front of the kiln tail lower material cylinder 5 is provided with a cleaning port and the front of the cleaning port is provided with a cleaning cover plate. The inner cavity of the calcining cylinder 1 is provided with a calcining mechanism 6 used in conjunction with the kiln barrel 4. By setting the calcining mechanism 6, the spraying Firearm 61, igniter 62, gas leakage sensor 63, fire spray cover 64 and flow-through hole 65 cooperate to spray flame on calcining cylinder 1, so as to provide sufficient heat for the ceramsite proppant in kiln cylinder 4 that is returned to the kiln for secondary calcining. The purpose is to use the cooperation of the electric blower fan 66, the one-way valve 67 and the temperature sensor 68 to evenly blow the heat generated by the flame injection of the calcining cylinder 1 into the kiln cylinder 4, so that the heat is evenly distributed in the kiln cylinder 4, and the secondary return rate is improved. The temperature requirements of the ceramsite proppant calcined in the kiln;

A fixed box 7 is arranged below the kiln barrel 4, and the inner cavity of the fixed box 7 is provided with a rotary screening mechanism 8 used in conjunction with the kiln barrel 4. By setting the rotary screening mechanism 8, a drive source is provided by a servo motor 85, and then the The cooperation of sealing rotary sleeve 81, rotary groove 82, convex ring 83, annular rack frame 84, reducer 86, driving gear 87 and annular screen frame 88 rotates the kiln tube 4 at a constant speed, so that the kiln tube 4 is returned to the kiln for the second time. The calcined ceramsite proppant is in full contact with the heat evenly distributed to achieve the purpose of uniform calcination and improve the quality of the finished product of the ceramsite proppant calcined back to the kiln for the second time;

The bottom of the fixed box 7 is provided with a mounting frame 9, and the inner cavity of the mounting frame 9 is provided with an adjusting mechanism 10 used in conjunction with the calcining cylinder 1 and the kiln cylinder 4. By setting the adjusting mechanism 10, a stepping motor 102 provides a driving source, and then With the cooperation of T-shaped chute 101, screw rod 103, threaded cylinder 104, adjusting seat 105, T-shaped slider 106 and adjusting frame 107, the inclination angle of calcining cylinder 1 and kiln cylinder 4 is adjusted to meet the requirements of secondary kiln calcination The rapid calcination and blanking requirements of the ceramsite proppant can improve the efficiency of the ceramsite proppant's secondary kiln calcination.

Example 2

Please refer to Figures 1-7, the present invention provides a technical solution: a secondary kiln calcination equipment based on ceramsite proppant, including a calcining cylinder 1, and a guide cylinder 2 is connected around the calcining cylinder 1, and the calcining cylinder 1 The tail end of the kiln tube 4 is connected with a large cut-off valve 3, the other end of the large stop valve 3 is connected with a kiln tube 4, a feeding hopper is arranged on the left side of the top of the kiln tube 4, and the tail end of the kiln tube 4 is connected with a kiln tail lower material tube 5, The front of the kiln tail lower material cylinder 5 is provided with a cleaning port and the front of the cleaning port is provided with a cleaning cover plate, and the inner cavity of the calcining cylinder 1 is provided with a calcining mechanism 6 used in conjunction with the kiln barrel 4, and the calcining mechanism 6 includes a flamethrower 61, The flamethrower 61 is fixed on the head end of the calciner 1 and the front of the flamethrower 61 is embedded with an igniter 62. The top of the flamethrower 61 is communicated with a gas injection port and the top of the gas injection port is provided with a sealing cap, which is convenient for the staff to use the flamethrower. Continuous injection of gas fuel into the 61 prevents the flamethrower 61 from losing its fuel and the fire-spraying interruption occurs. The top of the flamethrower 61 is embedded with a gas leakage sensor 63, and the outlet of the flamethrower 61 is connected with a flamethrower hood 64 and the surroundings of the flamethrower 64 are uniform. There is a channeling hole 65 used in conjunction with the calcining cylinder 1. The outer end of the inner cavity of the guiding cylinder 2 is fixedly connected with a blower fan 66 and the inner end of the guiding cylinder 2 is connected with a one-way valve 67. The inner cavity of the guiding cylinder 2 The surroundings near the electric blower fan 66 are fixedly connected with deflector blocks 11, and the inner cavity of the deflector block 11 is provided with deflector holes, so that the wind force generated by the electric blower fan 66 can evenly reach the inside of the kiln tube 4, preventing the inside of the deflector cylinder 2 from The air flow is disturbed to improve the air outlet efficiency in the guide tube 2. The other end of the one-way valve 67 communicates with the inner cavity of the kiln tube 4. A temperature sensor 68 is embedded on the left side of the front of the kiln tube 4. By setting the calcining mechanism 6 , by the cooperation of flame injector 61, igniter 62, gas leakage sensor 63, flame spray cover 64 and flow-through hole 65, flame injection is carried out on calcining cylinder 1, so as to provide the ceramsite proppant for secondary kiln calcining in kiln cylinder 4 For the purpose of sufficient heat, the heat generated by the flame injection of the calcination cylinder 1 is evenly blown into the kiln cylinder 4 by the cooperation of the electric blower fan 66, the one-way valve 67 and the temperature sensor 68, so that the heat is evenly distributed in the kiln cylinder 4, Improve the temperature requirements of the ceramsite proppant for secondary kiln calcination; a fixed box 7 is installed under the kiln barrel 4, and both sides of the kiln barrel 4 are provided with annular grooves, and the inner cavity of the annular groove is rotatably connected with the fixed box 7 The limit ring 12 with fixed fit provides limit support and compensation for the kiln barrel 4 rotating at a constant speed, and improves the stability of the kiln barrel 4 rotation. The right side of the bottom of the fixed box 7 is hinged with a support frame that is fixedly matched with the installation frame 9 13. The left side of the fixed box 7 is fixedly connected with the limit bar from front to back, and the front and rear sides of the installation frame 9 are fixedly connected with a limit frame that slides with the limit bar. , the limit compensation is performed between the calcining cylinder 1 and the kiln cylinder 4 and the fixed box 7 to improve the stability during the angle adjustment process of the calcining cylinder 1 and the kiln cylinder 4, and the inner cavity of the fixed box 7 is provided with a The rotary screening mechanism 8 used, the rotary screening mechanism 8 includes a sealing rotary sleeve 81, the sealing rotary sleeve 81 is arranged on the inner end of the large shut-off valve 3 and the kiln shell 4 and the sealing rotary sleeve Both sides of the inner cavity of the sleeve 81 are ring-shaped with rotary grooves 82, and the seal rotary sleeve 81 is fixedly connected with thickened sealing rings near the large shut-off valve 3 and the kiln barrel 4. When the kiln barrel 4 is in a state of constant speed rotation, the The tightness between the sealing swivel 81 and the large shut-off valve 3 and the kiln barrel 4 prevents the ceramsite proppant in the kiln barrel 4 from leaking from the position of the sealing swivel 81. The large stop valve 3 and the kiln barrel 4 are fixedly matched with the convex ring 83, the two sides of the kiln barrel 4 are fixedly connected with the ring rack frame 84, the left side of the fixed box 7 is fixedly connected with the servo motor 85 and the output shaft of the servo motor 85 From left to right, a speed reducer 86 and a drive gear 87 are fixedly connected in turn. The top of the drive gear 87 meshes with the bottom of the ring rack 84. The interlayer of the kiln tail lower barrel 5 is fixedly connected with a ring sieve frame 88. By setting the rotation The screening mechanism 8 is provided with a drive source by a servo motor 85, and then by the cooperation of a sealed rotary sleeve 81, a rotary groove 82, a protruding ring 83, an annular rack frame 84, a speed reducer 86, a driving gear 87, and an annular screen frame 88, the The kiln barrel 4 rotates at a constant speed, so that the ceramsite proppant for secondary kiln calcination in the kiln barrel 4 is fully contacted with the heat evenly distributed, so as to achieve the purpose of uniform calcination and improve the finished product quality of ceramsite proppant for secondary kiln calcination ; The bottom of the fixed box 7 is provided with a mounting frame 9, and the inner cavity of the mounting frame 9 is provided with an adjusting mechanism 10 used in conjunction with the calcining cylinder 1 and the kiln shell 4. The adjusting mechanism 10 includes a T-shaped chute 101, and two groups of T-shaped slides Groove 101 is opened horizontally in the inner cavity of mounting frame 9, and the right side of mounting frame 9 is fixedly connected with stepping motor 102 and the output shaft of stepping motor 102 is fixedly connected with screw mandrel 103, and the surface of screw mandrel 103 is threadedly connected with threaded barrel. 104 and the outer side of the threaded cylinder 104 is fixedly connected with an adjustment seat 105, and the four sides of the adjustment seat 105 are fixedly connected with a T-shaped slide block 106 slidingly matched with the T-shaped chute 101, and the top of the adjustment seat 105 is hinged with the calcining cylinder 1. The matching adjusting frame 107, by setting the adjusting mechanism 10, the stepper motor 102 provides the driving source, and then the T-shaped chute 101, the screw rod 103, the threaded cylinder 104, the adjusting seat 105, the T-shaped slider 106 and the adjusting frame 107 The inclination angle of the calciner cylinder 1 and the kiln cylinder 4 is adjusted to meet the needs of rapid calcination and cutting of the ceramsite proppant for secondary kiln calcination, and improve the efficiency of the ceramsite proppant for secondary kiln calcination.

Working principle: The staff first injects the ceramsite proppant that has been calcined back into the kiln for the second time from the hopper into the kiln barrel 4, then the stepping motor 102 is turned on and drives the screw rod 103 to rotate forward, and the screw rod 103 drives the threaded cylinder 104 and the adjustment seat 105 Synchronously move forward, while the adjustment seat 105 drives the T-shaped slider 106 to slide forward in the T-shaped chute 101, and as the adjustment seat 105 gradually moves forward, the adjustment seat 105 drives the adjustment frame 107 to tilt upward, and the support frame 13 To provide support compensation between the fixed box 7 and the installation frame 9, the adjusting frame 107 drives the kiln shell 4 to tilt upward through the calcining cylinder 1, and at the same time, the kiln shell 4 slides upward in the limit frame through the fixed box 7 to drive the limit rod until The calcining cylinder 1 and the kiln cylinder 4 are tilted up to the predetermined position;

Then the staff continuously injects gas into the flamethrower 61 through the gas injection port by means of external gas supply equipment, and then the igniter 62 ignites the gas filled in the flamethrower 61, and then the flamethrower 61 passes the burning flame through the flamethrower hood 64 are evenly distributed in the calciner 1 by the channeling holes 65, and high temperature is generated in the calciner 1, and the leakage of the gas in the flamethrower 61 is monitored in real time by the gas leakage sensor 63, and then three groups of electric blowers 66 are turned on and blown in three Strong wind force is generated in the group of guide tubes 2, and the blocking cooperation of three groups of check valves 67 to the wind force and heat in the three groups of guide tubes 2, then the strong wind force in the three groups of guide tubes 2 passes through the guide block 11 and Evenly enter the calcining cylinder 1, and then evenly supply the high temperature generated in the calcining cylinder 1 into the kiln cylinder 4, and the temperature sensor 68 senses the temperature in the kiln cylinder 4 in real time until the temperature in the kiln cylinder 4 reaches the ceramsite support The second return of the agent to the kiln for calcination temperature is required, and the heat in the kiln barrel 4 is unidirectionally blocked by the large shut-off valve 3, so that the heat is retained in the kiln barrel 4;

Then the servo motor 85 controls two sets of driving gears 87 to rotate synchronously, and the two sets of driving gears 87 drive the kiln barrel 4 to rotate at a constant speed through the two sets of ring racks 84. At the same time, the kiln barrel 4 drives the convex ring 83 in the sealing sleeve 81 The rotary groove 82 is sealed and rotated, so that the kiln barrel 4 in the state of uniform rotation drives the ceramsite proppant for secondary kiln calcination to rotate at a constant speed, and fully contacts with the uniformly distributed heat to achieve the purpose of secondary kiln calcination. It is distributed in an inclined state, and as the kiln barrel 4 rotates at a constant speed, the ceramsite proppant in the kiln barrel 4 rotates at a constant speed to the position of the lower material barrel 5 at the kiln tail, and then the ring sieve frame 88 is used to return the kiln to calcined pottery for the second time. The impurities in the proppant are sieved, and the ceramsite proppant after sieving is transferred out of the material following the rotation frequency of the kiln barrel 4, and the impurities are accumulated in the interlayer of the lower material barrel 5 and the annular sieve frame 88 at the kiln tail, and will After the ceramsite proppant in the kiln barrel 4 is fully returned to the kiln for calcination and the material is unloaded, the servo motor 85 stops, and the reducer 86 controls two sets of driving gears 87 to decelerate the kiln barrel 4 through two sets of ring rack racks 84 Stop, then open the cleaning cover plate, and the impurities in the kiln tail lower material cylinder 5 and the ring sieve frame 88 interlayer can be cleaned through the cleaning port.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (9)

1. A secondary kiln calcination equipment based on ceramsite proppant, including a calcination cylinder (1), characterized in that: the surrounding of the calcination cylinder (1) is connected with a guide tube (2), and the calcination cylinder ( The tail end of 1) is connected with a large shut-off valve (3), and the other end of the large shut-off valve (3) is connected with a kiln barrel (4), and a hopper is arranged on the left side of the top of the kiln barrel (4). The tail end of the kiln barrel (4) is connected with the kiln tail lower material barrel (5), the front of the kiln tail lower material barrel (5) is provided with a cleaning port and the front of the cleaning port is provided with a cleaning cover plate, and the calcined The inner cavity of the cylinder (1) is provided with a calcining mechanism (6) used in conjunction with the kiln cylinder (4); A fixed box (7) is arranged under the kiln barrel (4), and a rotary screening mechanism (8) used in conjunction with the kiln barrel (4) is arranged in the inner cavity of the fixed box (7); A mounting frame (9) is provided below the fixed box (7), and an adjusting mechanism (10) used in conjunction with the calcining cylinder (1) and the kiln cylinder (4) is provided in the inner cavity of the mounting frame (9). 2. The secondary kiln calcination equipment based on ceramsite proppant according to claim 1, characterized in that: the calcination mechanism (6) includes a flame injector (61), and the flame injector (61) is fixed on the calcination An igniter (62) is embedded on the head end of the barrel (1) and the front of the flame injector (61), and a gas leakage sensor (63) is embedded on the top of the flame injector (61), and the flame injector (61) The outlet is connected with a fire hood (64), and the surroundings of the fire hood (64) are provided with flow-through holes (65) used in conjunction with the calcination cylinder (1), and the outer end of the inner cavity of the flow guide cylinder (2) is fixed A blower fan (66) is connected and the inner end of the guide tube (2) is connected with a one-way valve (67), and the other end of the one-way valve (67) is connected with the inner cavity of the kiln cylinder (4), so A temperature sensor (68) is embedded on the left side of the front of the kiln barrel (4). 3. The secondary kiln calcination equipment based on ceramsite proppant according to claim 1, characterized in that: the rotary screening mechanism (8) includes a sealing sleeve (81), and the sealing sleeve (81 ) is set at the inner end of the large cut-off valve (3) and the kiln barrel (4) and both sides of the inner cavity of the sealing rotary sleeve (81) are ring-shaped with rotary grooves (82), and the two groups of rotary grooves (82) The inner cavity is rotatably connected with a convex ring (83) that is fixedly fitted with the large cut-off valve (3) and the kiln barrel (4), and the two sides of the kiln barrel (4) are fixedly connected with an annular rack frame (84). The left side of the fixed box (7) is fixedly connected with a servo motor (85), and the output shaft of the servo motor (85) is fixedly connected with a reducer (86) and a drive gear (87) in sequence from left to right, and the drive gear The top of (87) meshes with the bottom of the ring rack frame (84), and the interlayer of the kiln tail lower material barrel (5) is fixedly connected with the ring screen frame (88). 4. The secondary kiln calcination equipment based on ceramsite proppant according to claim 1, characterized in that: the adjustment mechanism (10) includes a T-shaped chute (101), and two sets of T-shaped chutes (101) is set horizontally in the inner cavity of the installation frame (9), the right side of the installation frame (9) is fixedly connected with a stepper motor (102) and the output shaft of the stepper motor (102) is fixedly connected with a screw rod ( 103), the surface of the screw rod (103) is threadedly connected with a threaded cylinder (104) and the outside of the threaded cylinder (104) is fixedly connected with an adjustment seat (105), and the periphery of the adjustment seat (105) is fixedly connected with A T-shaped slider (106) slidingly matched with the T-shaped chute (101), and the top of the adjustment seat (105) is hinged with an adjustment frame (107) hinged with the calciner (1). 5. The secondary kiln calcination equipment based on ceramsite proppant according to claim 2, characterized in that: the top of the flame injector (61) is connected with a gas injection port and the top of the gas injection port is provided with a sealing cap . 6. The secondary kiln calcination equipment based on ceramsite proppant according to claim 3, characterized in that: the sealing sleeve (81) is close to the large shut-off valve (3) and the kiln barrel (4). The fixed connection has a thickened sealing ring. 7. The equipment for secondary kiln calcination based on ceramsite proppant according to claim 1, characterized in that: the inner cavity of the guide tube (2) close to the electric blower fan (66) is fixedly connected with a guide A flow block (11), the inner cavity of the flow guide block (11) is provided with a flow guide hole. 8. The secondary kiln calcination equipment based on ceramsite proppant according to claim 1, characterized in that: both sides of the kiln barrel (4) are provided with annular grooves and the inner cavity of the annular groove rotates A spacer ring (12) fixedly fitted with the fixed box (7) is connected. 9. The secondary kiln calcination equipment based on ceramsite proppant according to claim 1, characterized in that: the right side of the bottom of the fixed box (7) is hinged with a support frame that is fixedly matched with the mounting frame (9) (13), the left side of the fixed box (7) is fixedly connected with the limit rods sequentially from front to back, and the front and rear sides of the installation frame (9) are fixedly connected with limit frames that are slidably matched with the limit rods.

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