Novel on-line unblocking device for blanking pipe

Abstract

The utility model discloses a novel blanking pipe on-line unblocking device which comprises a blanking pipe, one side of the bottom of the blanking pipe is provided with an unblocking window, one side of the unblocking window is detachably connected with a sealing cover, during unblocking operation, the sealing cover is opened, an unblocking assembly extends into the blanking pipe through the unblocking window, and the blanking pipe is unblocked. The unblocking assembly comprises a telescopic rod, a center column and a plurality of hook claws, the hook claw located in the middle of the hook claws is fixedly connected to the center column, the other hook claws are hinged to the center column, and a return spring is connected between every two adjacent hook claws. According to the anti-blocking discharging pipe, when the discharging pipe is blocked, the sealing cover can be opened, the blocked portion can be dredged, block-shaped or strip-shaped impurities can be cut or removed through the hook claws, and the good anti-blocking effect is achieved.

Description

Technical Field

[0001] The utility model relates to the field of cement production equipment, in particular to a novel online blocking clearing device for a feed pipe. Background Art

[0002] As of today, coal powder is still one of the main fuels in the cement production process. The raw coal blocks need to be ground into powder and dried with 300℃ hot air before being sent to the coal grinding silo, and then weighed by the coal powder rotor scale and sent to the rotary kiln system. Due to moisture absorption, the back of the coal grinding silo is prone to crusting, and the powder silo dust collector system is also prone to rust. After a period of time, the crust and rust will fall into the powder silo. When there is too much crust and rust in the powder silo, it is easy to get blocked in the discharge pipe on the rotor scale and cannot come down, forcing the kiln to stop. In the prior art, the discharge pipe is generally disassembled manually for cleaning, and then reinstalled after cleaning, which takes about an hour each time, seriously affecting the stable operation of the rotary kiln system. Summary of the invention

[0003] In view of the above-mentioned deficiencies in the prior art, the purpose of the utility model is to provide a novel online unclogging device for a feed pipe with a reasonable structural design.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0005] A novel online unblocking device for a feeding pipe comprises a feeding pipe, characterized in that a unblocking window is provided on one side of the bottom of the feeding pipe and a sealing cover is detachably connected to one side of the unblocking window. During the unblocking operation, the sealing cover is opened and an unblocking assembly is inserted into the feeding pipe through the unblocking window. The unblocking assembly comprises a telescopic rod, a center column and a plurality of hooks, wherein one end of the telescopic rod is fixedly connected to the outer periphery of the center column, a plurality of hooks are connected to the center column and on the opposite side of the telescopic rod, the plurality of hooks are evenly distributed in a fan shape and the length of the fan-shaped arc does not exceed 1 / 2 of the circumference of the inner wall of the feeding pipe, the middle hook among the plurality of hooks is fixedly connected to the center column, the other hooks are hinged to the center column, and a return spring is connected between two adjacent hooks.

[0006] Preferably, the hook claw is composed of a transverse hook handle and a hook located at the distal end of the hook handle, wherein the side of the hook facing the top of the hook handle is a blade, and the hook is inclined upward from the distal end of the hook handle to the proximal end of the hook handle.

[0007] Preferably, an electromagnet is embedded in the top of the center column and protrudes from the top surface of the center column. The interior of the center column is hollow and the hollow portion only passes through the bottom of the center column. A power supply is installed in the hollow portion of the center column, and the power supply and the electromagnet are electrically connected through wires and switches.

[0008] Preferably, a shelf for placing the sealing cover is connected to one side of the discharge pipe and located on the upper side of the clearing window.

[0009] Compared with the prior art, the utility model has the following beneficial effects:

[0010] The setting of the utility model can open the sealing cover to clear the blocked part when the feeding pipe is blocked, and the setting of the hook claw can cut or remove block or strip impurities, which has a good anti-blocking effect. In addition, the utility model can absorb rust and the like when powered on by embedding the electromagnet. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 A schematic diagram of the structure of opening the sealing cover and inserting the clearing assembly;

[0012] Figure 2 It is a schematic top view of the structure of the blockage clearing assembly of the utility model;

[0013] Figure 3 It is a schematic diagram of the side structure of the central column, electromagnet, etc. of the utility model. DETAILED DESCRIPTION

[0014] The present invention is now further described in conjunction with the accompanying drawings. The following are preferred embodiments of the present invention, which are not intended to limit the scope of protection of the present invention. Any equivalent or similar replacements that do not depart from the concept of the present invention should fall within the scope of protection of this application. The parts not described in detail below are all carried out using existing technologies.

[0015] like Figure 1-3 As shown, the novel online unblocking device for a feeding tube of the utility model comprises a feeding tube and an unblocking assembly. A unblocking window 5 is provided on one side of the bottom of the feeding tube 1, and a sealing cover 2 is detachably connected to one side of the unblocking window 5 in a conventional manner. During the unblocking operation, the sealing cover 2 is opened, and the unblocking assembly 3 is inserted into the feeding tube 1 through the unblocking window 5. The unblocking assembly 3 comprises a telescopic rod 3.1, a central column 3.2, and a plurality of hooks 3.3, wherein the telescopic rod 3.1 is an automatic telescopic rod or a non-automatic telescopic rod commonly used in the prior art, one end of the telescopic rod 3.1 is fixedly connected to a handle 3.11, and the other end of the telescopic rod 3.1 is fixedly connected to the outer side of the central column 3.2. A plurality of hooks 3.3 are connected to the central column 3.2 and on the opposite side of the telescopic rod 3.1. The plurality of hooks 3.3 are evenly distributed in a fan shape and the arc length of the fan shape does not exceed 1 / 2 of the circumference of the inner wall of the discharge tube. The middle hook 3.3 among the plurality of hooks 3.3 is fixedly connected to the outer peripheral wall of the central column 3.2, and the other hooks 3.3 are hinged to the outer peripheral wall of the central column 3.2 (the hinged hooks rotate left and right along the outer periphery of the central column with the central column 3.2 as the rotation support point), and a return spring 3.4 is connected between two adjacent hooks 3.3.

[0016] In order to better clean up the block or strip impurities in the blocked material, the hook claw 3.3 is composed of a horizontal hook handle 3.31 and a hook 3.32 at the far end of the hook handle, and the two are formed in one piece, wherein the side of the hook 3.32 facing the top of the hook handle 3.31 is the blade, and the hook 3.32 is inclined upward from the far end of the hook handle to the near end of the hook handle (the near end is the end close to the center column). The block or strip impurities are hooked by the hook 3.32 and then cut off by the hook blade, which can effectively reduce the block or strip impurities.

[0017] In order to reduce the influence of rusty iron sheet on the calorific value of coal powder combustion, an electromagnet 3.5 is embedded in the top of the central column 3.2 in a conventional manner, and the top surface of the electromagnet 3.3 protrudes from the top surface of the central column 3.2. The interior of the central column 3.2 is hollow, and the hollow portion only passes through the bottom of the central column 3.2. A power supply 3.6 is fixed in the hollow portion of the central column 3.2 in a conventional manner. The power supply 3.6 and the electromagnet 3.5 are electrically connected in a conventional manner through a wire and a switch. The switch can be set in a suitable position of the central column or on the telescopic rod near the handle end in a conventional manner. If it is set on the central column, the wire led out of the switch can pass through the top of the central column, the inner cavity of the central column, and then through the peripheral wall of the central column. If it is set on the telescopic rod near the handle end, the wire led out of the switch can pass through the top of the central column, the inner cavity of the central column, and then pass out from the bottom of the central column, pass under the telescopic rod, and then be fixed to the bottom of the telescopic rod near the handle end through a wire clip.

[0018] A shelf 4 for shelving the sealing cover 2 is connected to one side of the feeding pipe 1 and located on the upper side of the clearing window 5. This can effectively prevent the sealing cover 2 from being lost.

[0019] During operation, when there is a fluctuation in the flow of coal powder, open the sealing cover and insert the clearing assembly into the clearing window 5. When inserting, manually bring the multiple hooks together to the maximum (at this time, the outer dimensions of all the hooks are smaller than the clearing window 5). After inserting, the multiple hooks are unfolded under the action of the return spring, and the fan-shaped outer contour after unfolding matches the inner wall of the discharge pipe. The clearing effect is achieved by pulling the hooks back and forth.

Claims

1. A novel online unblocking device for a feeding pipe, comprising a feeding pipe, characterized in that: A clearing window is provided on one side of the bottom of the discharge pipe and a sealing cover is detachably connected to one side of the clearing window. During the clearing operation, the sealing cover is opened and a clearing assembly is inserted into the lower pipe through the clearing window. The clearing assembly includes a telescopic rod, a center column, and a plurality of hooks, wherein one end of the telescopic rod is fixedly connected to the outer periphery of the center column, a plurality of hooks are connected to the center column and on the opposite side of the telescopic rod, a middle hook among the plurality of hooks is fixedly connected to the center column, and the other hooks are hinged to the center column, and a return spring is connected between two adjacent hooks.

2. The novel online unblocking device for feeding pipe according to claim 1 is characterized in that: The hook claw is composed of a transverse hook handle and a hook located at the distal end of the hook handle, wherein the side of the hook facing the top of the hook handle is a blade, and the hook is inclined upward from the distal end of the hook handle to the proximal end of the hook handle.

3. The novel online unblocking device for feeding pipe according to claim 2 is characterized in that: An electromagnet is embedded in the top of the center column and protrudes from the top surface of the center column. The center column is hollow inside and the hollow part only passes through the bottom of the center column. A power source is installed in the hollow part of the center column, and the power source and the electromagnet are electrically connected.

4. The novel online unblocking device for feeding pipe according to claim 1, 2 or 3 is characterized in that: A shelf for placing the sealing cover is connected to one side of the feeding pipe and located on the upper side of the clearing window.

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