Pulverized coal conveying device for double-hearth shaft kiln

Abstract

The utility model discloses a double-chamber shaft kiln pulverized coal conveying device which comprises a shell, the shell is connected with an adjusting piece, the adjusting piece comprises a conveying piece and a conveying shell, the conveying piece is installed on the shell and used for conveying pulverized coal, the conveying piece comprises a conveying shell installed on the top of the shell, and a first motor is installed on the front side of the conveying shell; an auger is rotationally connected into the conveying shell, and a belt wheel assembly is installed on the rear side of the auger. The crushing part is mounted at the front end of the upper side of the conveying part; the utility model relates to the technical field of double-hearth shaft kiln pulverized coal conveying, in particular to a double-hearth shaft kiln pulverized coal conveying device. According to the pulverized coal conveying device for the double-hearth shaft kiln, a hydraulic cylinder is matched with a movable plate and four groups of traction arms, and the space of the end of a rotating shell receiving groove is adjusted by adjusting the positions of an adjusting block and a stop block, so that a user can conveniently adjust the amount of pulverized coal received in the rotating shell receiving groove according to own needs; and in addition, the pulverized coal detained in the rotating shell can be conveniently ejected out after the pulverized coal is conveyed.

Description

TECHNICAL FIELD

[0001] The utility model relates to double -barrel vertical kiln coal powder conveying technical field, concretely is a kind of double -barrel vertical kiln coal powder conveying device. BACKGROUND

[0002] When double-barrel vertical kiln is used, the corresponding conveying device is needed to convey the coal powder to the inside of the vertical kiln, referring to the double-barrel vertical kiln coal powder conveying device disclosed in CN220375567U, including installation support frame, the top side of the installation support frame is fixedly installed with support side frame, and the top of the support side frame is fixedly installed with material collecting box, the bottom cross section of the material collecting box is designed into semicircular type, the discharging process can be sealed by using discharging roller in cooperation with sealing inclined seat, the performance of maintaining continuous feeding and sealing is realized, the problem that the heat and energy in the inside of the vertical kiln can diffuse out from the fuel inlet is avoided, as described in the above patent, when the existing double-barrel vertical kiln coal powder conveying device is used, the discharging roller at the discharging end of the device is difficult to adjust the space in the inside of the discharging groove according to the requirement, which can easily cause the coal powder material to be retained in the discharging groove, affect the coal powder combustion rate, increase the subsequent processing steps, and affect the use efficiency of the device. SUMMARY

[0003] In view of the deficiencies of the prior art, the utility model provides a double-barrel vertical kiln coal powder conveying device, which solves the problems of retained coal powder impurities in the inside of the device, affects the use efficiency of the device and the like.

[0004] To achieve the above object, the utility model realizes the following technical scheme: a double-barrel vertical kiln coal powder conveying device, including shell, the shell is connected with the adjusting part for double-barrel coal powder conveying adjustment, the adjusting part includes:

[0005] Conveying part, installed on the shell for coal powder conveying, the conveying part includes conveying shell installed on the top of the shell, the first motor is installed on the front side of the conveying shell, the auger driven by the first motor is rotatably connected in the conveying shell, the belt pulley assembly is installed on the rear side of the conveying shell close to the auger;

[0006] Crushing part, installed on the front end of the upper side of the conveying part for coal powder caking crushing;

[0007] Discharging part, installed in the shell for coal powder discharging treatment, the discharging part includes rotating shell rotatably connected in the shell and driven by the belt pulley assembly, the four groups of adjusting blocks are slidably connected to the inner side edge of the rotating shell, the stop blocks slidably connected to the inner side of the rotating shell are arranged on the front side and the rear side of the adjusting block, the traction arm is rotatably connected to the inner end of the rotating shell close to the adjusting block, the front side of the four groups of traction arms is rotatably connected with the movable plate, and the hydraulic cylinder for adjusting the horizontal position of the movable plate is installed on the front side of the rotating shell.

[0008] Preferably, the shell bottom is provided with mounting plates on both sides, the shell bottom is provided with a discharge port, and the shell top is provided with a transition groove in communication with the inner end of the conveying shell.

[0009] Preferably, the first motor output end is coaxially fixedly connected with the auger, the auger is coaxially fixedly connected with the driving pulley in the pulley assembly, and the driven pulley in the pulley assembly is coaxially fixedly connected with the rotating shell.

[0010] Preferably, the crushing part comprises a shell mounted on the front side of the upper end of the conveying shell, a second motor is mounted on the rear side of the shell, a crushing roller assembly driven by the second motor is horizontally arranged in the shell, and the crushing roller assembly is connected with a gear assembly near the front side of the shell.

[0011] Preferably, the shell top is provided with a feeding groove, the second motor output end is coaxially fixedly connected with the right crushing roller in the crushing roller assembly, and the two groups of crushing rollers in the crushing roller assembly are coaxially fixedly connected with the driving gear and the driven gear in the gear assembly, respectively.

[0012] Preferably, the rotating shell is provided with a receiving groove on the inner side near the adjusting block, the rotating shell is provided with a movable groove near the end of the movable plate, the hydraulic cylinder elongated end is fixedly connected with the movable plate, and the rotating shell is provided with a limiting groove in sliding connection with the stop block.

[0013] The utility model provides a kind of double hearth shaft kiln pulverized coal conveying device.Compared with prior art, it has the following beneficial effects:

[0014] (1), the double hearth shaft kiln pulverized coal conveying device, by setting down material in device, let hydraulic cylinder cooperate with movable plate, four groups of traction arm, by adjusting the position of adjusting block and stop block, the space of the receiving groove end of the rotating shell is adjusted, which is convenient for users to adjust the amount of pulverized coal received in the receiving groove of the rotating shell according to their needs, and it is also convenient to eject the pulverized coal remaining in the rotating shell after the pulverized coal is conveyed, which improves the utilization rate of pulverized coal and reduces the subsequent cleaning steps.

[0015] (2), the double hearth shaft kiln pulverized coal conveying device, by setting crushing part in device, second motor cooperates with gear assembly, drives two groups of crushing rollers in crushing roller assembly to rotate reversely, when pulverized coal is put into shell, crushing roller assembly breaks up the clumps in pulverized coal, reduces the clumped coal and reduces the combustion efficiency of pulverized coal in double hearth shaft furnace, which helps subsequent full combustion of pulverized coal. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a sectional view of the utility model;

[0017] Figure 2 It is an enlarged view of the crushing part of the utility model;

[0018] Figure 3 It is the enlarged view of the blanking piece of the utility model;

[0019] Figure 4 It is the perspective view of the utility model.

[0020] In the figure: 1, shell; 2, conveying piece; 21, conveying shell; 22, first motor; 23, auger; 24, pulley assembly; 3, crushing piece; 31, machine shell; 32, second motor; 33, crushing roller assembly; 34, gear assembly; 4, blanking piece; 41, rotating shell; 42, adjusting block; 43, stop block; 44, traction arm; 45, movable plate; 46, hydraulic cylinder. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Referring to Figures 1-4 The utility model provides the following two technical schemes:

[0023] The first embodiment: a double furnace vertical kiln pulverized coal conveying device, including shell 1, shell 1 is connected with the adjusting piece for double furnace pulverized coal conveying adjustment, and the adjusting piece includes: conveying piece 2, is installed on shell 1 for pulverized coal conveying, and conveying piece 2 includes the conveying shell 21 installed on the top of shell 1, and the first motor 22 is installed on the front side of conveying shell 21, and the auger 23 driven by the first motor 22 is rotationally connected in conveying shell 21, and the pulley assembly 24 is installed on the rear side of conveying shell 21 close to the auger 23;

[0024] Crushing piece 3 is installed on the upper side of conveying piece 2 for pulverized coal caking crushing;Blanking piece 4 is installed in shell 1 for pulverized coal blanking treatment, and blanking piece 4 includes rotating shell 41 rotationally connected in shell 1 and driven by pulley assembly 24, and four groups of adjusting blocks 42 are slidably connected to the inner side edge of rotating shell 41, and stop blocks 43 are arranged on the front side and rear side of adjusting block 42 and slidably connected to the inner side of rotating shell 41, and traction arms 44 are rotationally connected to the inner end of rotating shell 41 close to adjusting block 42, and movable plates 45 are rotationally connected to the front side of four groups of traction arms 44, and hydraulic cylinders 46 are installed on the front side of rotating shell 41 for adjusting the horizontal position of movable plate 45;

[0025] The bottom of the shell 1 is provided with mounting plates on both sides, and a plurality of mounting screw holes are vertically and penetratingly arranged at the edges of the mounting plates. The bottom of the shell 1 is provided with a discharge port, and the top of the shell 1 is provided with a transition groove in communication with the inner end of the conveying shell 21. The output end of the first motor 22 is coaxially and fixedly connected with the auger 23, the auger 23 is coaxially and fixedly connected with the driving pulley in the pulley assembly 24, and the driven pulley in the pulley assembly 24 is coaxially and fixedly connected with the rotating shell 41. The inner side of the rotating shell 41 is provided with a receiving groove close to the adjusting block 42, the rotating shell 41 is provided with a movable groove close to the movable plate 45, the extended end of the hydraulic cylinder 46 is fixedly connected with the movable plate 45, and the rotating shell 41 is provided with a limiting groove in sliding connection with the stop block 43. The hydraulic cylinder 46 cooperates with the movable plate 45 and the four groups of traction arms 44, the position of the adjusting block 42 and the stop block 43 is adjusted, the space of the receiving groove of the rotating shell 41 is adjusted, and the residual coal powder is easily pushed out.

[0026] The second embodiment is mainly different from the first embodiment in that:

[0027] The crushing piece 3 comprises a machine shell 31 mounted on the front side of the upper end of the conveying shell 21, a second motor 32 mounted on the rear side of the machine shell 31, a crushing roller assembly 33 horizontally arranged in the machine shell 31 and driven by the second motor 32, and a gear assembly 34 connected with the crushing roller assembly 33 close to the front side of the machine shell 31.

[0028] The top of the machine shell 31 is provided with a feeding groove, the lower side of the machine shell 31 is provided with a butt joint groove in butt joint with the conveying shell 21, the output end of the second motor 32 is coaxially and fixedly connected with the right crushing roller in the crushing roller assembly 33, and the two groups of crushing rollers in the crushing roller assembly 33 are coaxially and fixedly connected with the driving gear and the driven gear in the gear assembly 34. The second motor 32 cooperates with the gear assembly 34 to drive the two groups of crushing rollers in the crushing roller assembly 33 to rotate in opposite directions. When the coal powder is put into the machine shell 31, the crushing roller assembly 33 breaks the clumps in the coal powder, which is helpful for the subsequent full combustion of the coal powder.

[0029] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art, and the model parameters of the electric appliances are not specifically limited, and conventional equipment can be used.

[0030] In use, the user connects the discharge end of the lower side of the shell 1 with the inlet end of the double-chamber vertical kiln, connects the delivery end with the feeding groove end of the upper side of the machine shell 31, starts the first motor 22 and the second motor 32, drives the auger 23 to rotate by the first motor 22, drives the discharging piece 4 to rotate by the pulley assembly 24, drives the two groups of crushing rollers in the crushing roller assembly 33 to rotate in opposite directions by the second motor 32 and the gear assembly 34, breaks the clumps in the coal powder when the coal powder is put into the machine shell 31, and then the fully broken coal powder is conveyed to the shell 1 through the conveying shell 21 under the action of the auger 23.

[0031] When the receiving groove on the surface of the rotating shell 41 passes the lower end of the conveying shell 21, the coal powder falls onto the stopper 43 in the receiving groove under the action of gravity, and is guided from the bottom discharge port of the shell body 1 into the double-chamber vertical kiln feed inlet by the cooperation of the rotating shell 41, the stopper 43 and the shell body 1, thereby reducing the heat loss at the end of the vertical kiln feed inlet. When the coal powder delivery is completed, the hydraulic cylinder 46 is started, and the movable plate 45 is driven to move backward by the hydraulic cylinder 46. The movable plate 45 drives the adjusting block 42 and the stopper 43 to slide along the rotating shell 41 through the traction arm 44, and the residual coal powder is ejected.

[0032] It is to be noted that, in the present text, the relational terms such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any actual such relationship or order between or among the entities or actions. Also, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0033] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A double-chamber vertical kiln pulverized coal conveying device, comprising a housing (1), characterized in that: The housing (1) is connected to an adjusting member for adjusting the double-chamber coal powder delivery, and the adjusting member comprises: A conveying member (2) is mounted on the housing (1) for conveying pulverized coal. The conveying member (2) includes a conveying shell (21) mounted on the top of the housing (1). A first motor (22) is mounted on the front side of the conveying shell (21). An auger (23) driven by the first motor (22) is rotatably connected in the conveying shell (21). A pulley assembly (24) is mounted on the auger (23) near the rear side of the conveying shell (21). A crushing member (3) is installed at the front end of the upper side of the conveying member (2) and is used to crush coal powder agglomerates; A blanking member (4) is installed in the housing (1) for coal powder blanking processing. The blanking member (4) includes a rotating shell (41) rotatably connected in the housing (1) and driven by a pulley assembly (24). Four groups of adjustment blocks (42) are slidably connected to the inner edge of the rotating shell (41). The front and rear sides of the adjustment blocks (42) are each provided with a stopper (43) slidably connected to the inner side of the rotating shell (41). The adjustment blocks (42) are rotatably connected to a traction arm (44) near the inner end of the rotating shell (41). The front sides of the four groups of traction arms (44) are all rotatably connected to a movable plate (45). A hydraulic cylinder (46) for adjusting the horizontal position of the movable plate (45) is installed on the front side of the rotating shell (41).

2. A double-bore shaft kiln pulverized coal conveying device according to claim 1, characterized in that: Mounting plates are provided on both sides of the bottom of the shell (1), a discharge port is provided at the bottom of the shell (1), and a transition groove communicating with the inner end of the conveying shell (21) is provided at the top of the shell (1).

3. The double-bore shaft kiln pulverized coal conveying device according to claim 1, characterized in that: The output end of the first motor (22) is coaxially fixedly connected to the auger (23), the auger (23) is coaxially fixedly connected to the driving pulley in the pulley assembly (24), and the driven pulley in the pulley assembly (24) is coaxially fixedly connected to the rotating shell (41).

4. The pulverized coal conveying device for a double-bore shaft kiln according to claim 1, characterized in that: The crushing element (3) comprises a casing (31) mounted on the front side of the upper end of the conveying casing (21); a second motor (32) is mounted on the rear side of the casing (31); a crushing roller assembly (33) driven by the second motor (32) is horizontally arranged in the casing (31); and the crushing roller assembly (33) is connected to a gear assembly (34) near the front side of the casing (31).

5. A double-bore shaft kiln pulverized coal conveying device according to claim 4, characterized in that: A feeding chute is provided on the top of the housing (31); the output end of the second motor (32) is coaxially fixedly connected to the right crushing roller in the crushing roller assembly (33); and the two groups of crushing rollers in the crushing roller assembly (33) are coaxially fixedly connected to the driving gear and the driven gear in the gear assembly (34).

6. The pulverized coal conveying device for a double-bore shaft kiln according to claim 1, characterized in that: A receiving groove is provided on the inner side of the rotating shell (41) near the adjusting block (42), a movable groove is provided on the end of the rotating shell (41) near the movable plate (45), the extended end of the hydraulic cylinder (46) is fixedly connected to the movable plate (45), and a limiting groove is provided in the rotating shell (41) for sliding connection with the stop block (43).

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