CN219390456U - Rotary kiln anti-return pouring device - Google Patents

Abstract

The utility model relates to the technical field of rotary kilns and discloses a rotary kiln material return preventing pouring device which comprises a rotary kiln main body and a kiln head cover main body, wherein a kiln head of the rotary kiln main body is positioned at the inner side of the kiln head cover main body, a hollow material return preventing nozzle is fixedly connected to the inner wall of the kiln head cover main body, the side end of the hollow material return preventing nozzle is positioned in the kiln head cover main body, a plurality of vent holes are formed in the side end of the hollow material return preventing nozzle, a feeding pipe is connected to the inner wall of a feeding hole of the kiln head cover main body, a feeding hopper is vertically and fixedly communicated with the outer wall of the feeding pipe, and a blocking cover is fixedly connected to the top end of the feeding hopper. The rotary kiln material returning prevention pouring device can effectively reduce the material returning amount of the rotary kiln, further improves the convenience and efficiency of material returning cleaning, simultaneously reduces the labor intensity and the danger of workers, improves the environment-friendly performance of the rotary kiln, has the anti-blocking function, and improves the feeding reliability of the rotary kiln.

Description

Rotary kiln anti-return pouring device

Technical Field

The utility model relates to the technical field of rotary kilns, in particular to a rotary kiln material returning preventing pouring device.

Background

Rotary kilns are widely used in many production industries such as building materials, metallurgy, chemical industry, environmental protection and the like for mechanical, physical or chemical treatment of solid materials, and generally, the rotary kilns comprise a kiln body, a gas pipe, a combustion-supporting gas pipe and a burner, wherein the gas pipe and the combustion-supporting gas pipe extend into the kiln body through a kiln wall of the kiln body and are connected to the burner so as to respectively supply gas and combustion-supporting gas into the kiln body, and the gas and the combustion-supporting gas are mixed and combusted at the burner so as to provide heat required by the rotary kilns.

At present, the kiln hood has the condition of large material returning amount in the use process, and needs frequent cleaning of staff, wastes time and energy, has high material returning temperature, is too time-consuming in the cooling process, simultaneously easily causes secondary pollution, and increases the working danger of the staff.

Therefore, we propose a rotary kiln anti-return pouring device to solve the above problems.

Disclosure of Invention

The utility model aims at solving the problems and provides a rotary kiln anti-return pouring device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a device is pour to rotary kiln anti-return material, includes rotary kiln main part and kiln hood main part, the kiln head of rotary kiln main part is located the inboard of kiln hood main part, the inner wall fixedly connected with hollow anti-return material mouth of kiln hood main part, the side of hollow anti-return material mouth is located the inside of kiln hood main part, a plurality of air vents have been seted up to the side of hollow anti-return material mouth, the feed port inner wall connection of kiln hood main part has the inlet pipe, the vertical fixedly connected with feeder hopper of inlet pipe outer wall, the top fixedly connected with fender cover of feeder hopper, the outer wall fixedly connected with rubber go-between of fender cover, the fixed L shaped plate that has cup jointed of pole wall of inlet pipe, the upper surface fixedly connected with motor of L shaped plate, the top inner wall fixedly connected with complementary unit of L shaped plate, the output of motor is connected with bull stick through the coupling, the pole wall of bull stick passes through antifriction bearing and keeps off the top of cover, the bottom fixedly connected with of bull stick prevents blocking mechanism.

Preferably, the auxiliary mechanism comprises a wind scooper fixedly connected with the inner wall of the top end of the L-shaped plate, a through hole is formed in the lower surface of the wind scooper, a sealing bearing is fixedly connected with the wall of the through hole, the inner wall of the sealing bearing is fixedly connected with the rod wall of the rotating rod, an air suction fan blade is fixedly sleeved on the outer wall of the top end of the rotating rod, two communicating pipes are fixedly communicated with the bottom end of the wind scooper and the top end of the shielding cover together, a conveying pipe is fixedly communicated with the output end of the wind scooper, and the bottom end of the conveying pipe penetrates through the side wall of the kiln hood main body and the inside of the hollow anti-backflow nozzle.

Preferably, the anti-blocking mechanism comprises a reciprocating screw rod fixedly connected with the lower surface of the rotating rod, a threaded cylinder is sleeved on the rod wall of the reciprocating screw rod in a threaded manner, and two anti-blocking rods which are symmetrically distributed are fixedly connected with the outer wall of the threaded cylinder.

Preferably, the plurality of vent holes are all bidirectional horn-shaped.

Preferably, the rod walls of the two anti-blocking rods are fixedly connected with sliding blocks, and sliding grooves matched with the sliding blocks are formed in the inner walls of the feeding hoppers.

Preferably, the bottom outer wall fixedly connected with support frame of inlet pipe.

Compared with the prior art, the utility model provides a rotary kiln material return preventing pouring device, which has the following beneficial effects:

1. this rotary kiln prevents returning charge pouring device, through the motor that sets up, auxiliary mechanism, hollow anti-returning charge mouth and air vent, when the rotary kiln main part is fed through inlet pipe and feeder hopper, at first hollow anti-returning charge mouth can block partial material and fall into in the kiln hood main part, cause the condition of a large amount of returning charge, simultaneously start the motor, the motor makes auxiliary mechanism work, auxiliary mechanism is carried the powder material that flies in the fender cover to the rotary kiln main part inside, and the gas of spraying can further push the material flow in the inlet pipe into the rotary kiln main part, prevent to appear a large amount of returning charge as far as possible, avoid a large amount of returning charge to cause operational environment serious pollution's condition as far as possible simultaneously, this mechanism makes the device can effectively reduce rotary kiln returning charge volume, and then improved the convenience and the efficiency of returning charge clearance, simultaneously can reduce staff intensity and danger, and improve the environmental protection performance that the rotary kiln used.

2. This device is pour to rotary kiln anti-return material, when the feeder hopper feeding, the bull stick makes reciprocating screw rotatory through the anti-blocking mechanism that sets up, and reciprocating screw makes screw thread section of thick bamboo reciprocating motion from top to bottom, and screw thread section of thick bamboo drives anti-blocking rod and pushes away the material from top to bottom and enter into the inlet pipe to prevent that the powder from blocking up in the feeder hopper bottom, guarantee that the rotary kiln can last the feeding, this mechanism makes rotary kiln anti-return material pour the device have the function of preventing blocking up, improves the reliability of rotary kiln feeding.

The device has the advantages that the device can effectively reduce the material returning amount of the rotary kiln, further improve the convenience and efficiency of material returning cleaning, reduce the labor intensity and danger of workers, improve the environment-friendly performance of the rotary kiln, and improve the feeding reliability of the rotary kiln.

Drawings

Fig. 1 is a schematic structural diagram of a rotary kiln anti-reversion pouring device according to the present utility model;

fig. 2 is a partially enlarged schematic structural view of a rotary kiln anti-reversion pouring device according to the present utility model;

fig. 3 is a schematic structural view of an anti-blocking mechanism and an auxiliary mechanism in an anti-return pouring device for a rotary kiln.

In the figure: 1. a rotary kiln main body; 2. a kiln head hood main body; 3. a hollow anti-return nozzle; 4. a vent hole; 5. a feed pipe; 6. a feed hopper; 7. a shield; 8. an auxiliary mechanism; 81. a wind scooper; 82. sealing the bearing; 83. air suction fan blades; 84. a communicating pipe; 85. a delivery tube; 9. an anti-blocking mechanism; 91. a reciprocating screw rod; 92. a thread cylinder; 93. a blocking prevention rod; 10. a rubber connecting ring; 11. an L-shaped plate; 12. a motor; 13. a rotating rod; 14. a slide block; 15. a chute; 16. and (5) supporting frames.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, a rotary kiln anti-reversion pouring device comprises a rotary kiln main body 1 and a kiln head cover main body 2, wherein a kiln head of the rotary kiln main body 1 is positioned on the inner side of the kiln head cover main body 2, a hollow anti-reversion mouth 3 is fixedly connected to the inner wall of the kiln head cover main body 2, the side end of the hollow anti-reversion mouth 3 is positioned in the kiln head cover main body 2, a plurality of vent holes 4 are formed in the side end of the hollow anti-reversion mouth 3, the vent holes 4 are in a bidirectional horn shape, so that gas can be conveniently discharged, and the inside of the hollow anti-reversion mouth 3 can be placed with feeding backflow.

The feed port inner wall of kiln hood main part 2 is connected with inlet pipe 5, the bottom outer wall fixedly connected with support frame 16 of inlet pipe 5, the stability that inlet pipe 5 placed can be guaranteed to support frame 16, the vertical fixedly connected with feeder hopper 6 of inlet pipe 5 outer wall, the top fixedly connected with fender cover 7 of feeder hopper 6, the outer wall fixedly connected with rubber go-between 10 of fender cover 7, the fixed L shaped plate 11 that has cup jointed of the pole wall of inlet pipe 5, the upper surface fixedly connected with motor 12 of L shaped plate 11, the output of motor 12 has bull stick 13 through the coupling joint, the pole wall of bull stick 13 passes through antifriction bearing and keeps off the top of cover 7 and be connected.

The top inner wall fixedly connected with complementary unit 8 of L shaped board 11, complementary unit 8 includes wind scooper 81 with L shaped board 11 top inner wall fixed connection, the through-hole has been seted up to wind scooper 81's lower surface, and the pore wall fixedly connected with sealed bearing 82 of through-hole, sealed bearing 82's inner wall and the pole wall fixed connection of bull stick 13, the top outer wall of bull stick 13 has fixedly cup jointed induced draft flabellum 83, wind scooper 81's bottom and the top of keeping off cover 7 fixed intercommunication jointly have two communicating pipes 84, wind scooper 81's output fixed intercommunication has conveyer pipe 85, conveyer pipe 85's bottom passes kiln hood body 2 lateral wall and the inside intercommunication of hollow anti-return mouth 3, this mechanism makes the device can effectively reduce rotary kiln returning charge volume, and then improved convenience and the efficiency of returning charge clearance, simultaneously can reduce staff's intensity of labour and danger, and improve the environmental protection performance that the rotary kiln used.

The bottom fixedly connected with anti-clogging mechanism 9 of bull stick 13, anti-clogging mechanism 9 includes the reciprocating screw 91 of fixed surface connection under with bull stick 13, the wall screw thread of reciprocating screw 91 has cup jointed screw cylinder 92, the outer wall fixedly connected with two symmetric distribution's of screw cylinder 92 anti-clogging pole 93, the equal fixedly connected with slider 14 of the wall of two anti-clogging poles 93, slider 14 and spout 15 can guarantee the reliability that anti-clogging pole 93 reciprocated with slider 14 matched with spout 15 is seted up to the inner wall of feeder hopper 6, this mechanism makes rotary kiln anti-backflow material pouring device have anti-clogging function, improve rotary kiln feeding's reliability, motor 12 is through control switch and external power source electric connection, this electric connection is prior art, and belong to the familiar technical means of skilled person, therefore not add the description.

According to the rotary kiln, when the rotary kiln main body 1 is fed through the feed pipe 5 and the feed hopper 6, firstly, the hollow anti-return nozzle 3 can prevent partial materials from falling into the kiln head cover main body 2 to cause the condition of massive material return, meanwhile, the motor 12 is started, the motor 12 enables the rotary rod 13 to rotate, the rotary rod 13 enables the induced draft fan blades 83 to rotate, the induced draft fan blades 83 convey powder materials which float in the baffle cover 7 into the conveying pipe 85 through the air guide cover 81 and the communicating pipe 84, then the powder materials are sprayed into the rotary kiln main body 1 through the vent holes 4, the sprayed gas can further push the materials in the feed pipe 5 to enter the rotary kiln main body 1, the condition of massive material return is prevented as much as possible, the labor amount of workers is prevented from being increased, the condition of severe pollution caused by massive material return is avoided as much as possible, the mechanism enables the device to effectively reduce the material return amount, further convenience and efficiency of material return cleaning are improved, meanwhile, the labor intensity and the danger of workers can be reduced, the environment-friendly performance of the rotary kiln is improved, when the feed hopper 6 is fed, the rotary kiln 13 enables the reciprocating feed rod 91 to rotate, the reciprocating feed cylinder 91 is enabled to reciprocate, the feed cylinder 92 is enabled to move down, the thread cylinder 92 is enabled to be driven to move down, and the feed blocking preventing the feed pipe 93 is prevented from being blocked, and the feed hopper 6 is continuously blocked, and the feed hopper is prevented from being blocked by the feed mechanism.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a rotary kiln prevents returning charge pouring device, includes rotary kiln main part (1) and kiln head cover main part (2), its characterized in that, the kiln head of rotary kiln main part (1) is located the inboard of kiln head cover main part (2), the inner wall fixedly connected with hollow anti-returning charge mouth (3) of kiln head cover main part (2), the side of hollow anti-returning charge mouth (3) is located the inside of kiln head cover main part (2), a plurality of air vents (4) have been seted up to the side of hollow anti-returning charge mouth (3), the feed port inner wall of kiln head cover main part (2) is connected with inlet pipe (5), the vertical fixedly connected with feeder hopper (6) of inlet pipe (5) outer wall, the top fixedly connected with of feeder hopper (6) keeps off cover (7), the outer wall fixedly connected with rubber go-between (10) of baffle cover (7), the fixed sleeve joint of the lever wall of inlet pipe (5) has L shaped plate (11), the upper surface fixedly connected with motor (12), the top inner wall fixedly connected with auxiliary motor (8) of L shaped plate (11), the top end inner wall of output through the roller joint (13) of baffle plate (13) has through the connecting rod (13), the bottom end of the rotating rod (13) is fixedly connected with an anti-blocking mechanism (9).

2. The rotary kiln anti-reversion pouring device according to claim 1, characterized in that the auxiliary mechanism (8) comprises a wind scooper (81) fixedly connected with the inner wall of the top end of the L-shaped plate (11), a through hole is formed in the lower surface of the wind scooper (81), a sealing bearing (82) is fixedly connected with the hole wall of the through hole, the inner wall of the sealing bearing (82) is fixedly connected with the rod wall of the rotary rod (13), an air suction fan blade (83) is fixedly sleeved on the outer wall of the top end of the rotary rod (13), two communicating pipes (84) are fixedly communicated with the bottom end of the wind scooper (81) and the top end of the baffle cover (7), a conveying pipe (85) is fixedly communicated with the output end of the wind scooper (81), and the bottom end of the conveying pipe (85) penetrates through the side wall of the kiln hood main body (2) and the inner part of the hollow anti-reversion nozzle (3).

3. The rotary kiln anti-backflow pouring device according to claim 1, wherein the anti-blockage mechanism (9) comprises a reciprocating screw rod (91) fixedly connected with the lower surface of the rotary rod (13), a threaded cylinder (92) is sleeved on the rod wall of the reciprocating screw rod (91) in a threaded manner, and two anti-blockage rods (93) which are symmetrically distributed are fixedly connected with the outer wall of the threaded cylinder (92).

4. The rotary kiln anti-reversion casting device according to claim 1, wherein the plurality of vent holes (4) are bidirectional horn-shaped.

5. A rotary kiln anti-reversion pouring device according to claim 3, characterized in that the rod walls of the two anti-blocking rods (93) are fixedly connected with sliding blocks (14), and the inner wall of the feed hopper (6) is provided with sliding grooves (15) matched with the sliding blocks (14).

6. The rotary kiln anti-reversion pouring device according to claim 1, wherein the outer wall of the bottom end of the feeding pipe (5) is fixedly connected with a supporting frame (16).