KR20100097252A

KR20100097252A - Device for preventing insert of solid fuel feed screw

Info

Publication number: KR20100097252A
Application number: KR1020090016099A
Authority: KR
Inventors: 이웅진
Original assignee: 일도바이오테크주식회사
Priority date: 2009-02-26
Filing date: 2009-02-26
Publication date: 2010-09-03

Abstract

The present invention separates the screw shaft inside the fuel transfer cylinder into a rear screw shaft on the motor side, an all screw shaft on the combustion head side, and an intermediate screw shaft. When the wood chip is inserted in the gap between the screw spindle outer edge and the transfer cylinder inner circumference by connecting with universal coupling with fluidity in the longitudinal direction, the screw shaft part where the wood chip is inserted is loaded and the universal coupling of this part is To prevent jamming of the solid fuel feed screw, which flows from side to side and loosens the wood chips inserted in the outer side of the screw shaft to escape from the gap

Description

Pinching device of solid fuel feed screw {DEVICE FOR PREVENTING INSERT OF SOLID FUEL FEED SCREW}

The present invention relates to a wood pellets, solid fuel combustor using wood chips as fuel relates to a pinch preventing device of the solid fuel feed screw to prevent the wood chip is fitted to the outside of the transfer screw for transporting wood chips.

In the solid fuel combustor, when the wood chips of the rear fuel supply pipe are all transferred to the combustion shaft through the screw shaft inside the fuel transfer cylinder, the wood chips are interrupted by inserting the wood chips between the outer edge of the screw and the inner circumference of the cylinder. Due to the pinch of wood chips, the motor that rotates the feed screw shaft caused a failure and the motor failed.

When the wood chips in the rear fuel supply pipe are transferred from the solid fuel combustor to the screw shaft inside the fuel transfer cylinder, sometimes the wood chips are inserted in the gap between the screw shaft and the inner circumference of the cylinder. In the state of operation, it was necessary to move the transfer screw shaft of the portion where the wood chip is inserted up and down or to the left and right so that the wood chip inserted on the outer side of the screw axis is removed.

In the present invention, the screw shaft inside the fuel transfer cylinder is divided into a rear screw shaft on the motor side, an all screw shaft on the combustion head side, and an intermediate screw shaft. When the wood chip is inserted in the gap between the screw spindle outer edge and the transfer cylinder inner circumference by connecting with universal coupling with fluidity in the longitudinal direction, the screw shaft part where the wood chip is inserted is loaded and the universal coupling of this part is In this case, the wood chips, which were inserted to the outside of the screw shaft while relaxing to the left and right, are relaxed to escape from the gap.

The present invention is connected to the rear screw shaft, all screw shaft and the middle screw shaft in the upper and lower, left and right shafts are arranged in the vertical axis of the left and right oval shaft hole to connect the universal coupling with fluid in the axial length direction screw When it is interposed between the outer side of the right axis and the inner circumference of the transfer cylinder, the universal coupling of the wood chip part can be moved up and down, left and right without removing the combustor. It is.

The screw shaft inside the fuel transfer cylinder 10 transfers and burns wood pellets and wood chips, which are solid fuels, supplied from the fuel supply pipe 1 by the rotation of the rear motor 3 and the reduction gear. In the solid fuel combustor, the screw shaft inside the fuel transfer cylinder 10 is connected to the rear screw shaft 13 on the motor 3 side, the all screw shaft 11 on the combustion head 2 side, and the intermediate screw shaft 12. Separately connect each connection part up and down, left and right shafts 21 are arranged in the upper and lower, left and right oval shaft hole 22 and connected to the universal coupling 20 having fluidity in the longitudinal direction of the shaft to connect the wood chips of the fuel supply pipe 1 Transferring to the combustion head (2) according to the rear screw shaft 13, the intermediate screw shaft 12 and the all-screw shaft 11, which is connected to the motor (3) and rotates, sometimes the outside of the screw shaft and the transfer cylinder (10) When wood chips are sandwiched between inner circumferences In the gland screw shaft 12, the screw right outer portion corresponding to the longitudinal direction in the longitudinal direction and the upper and lower sides and the left and right directions in which the wood chips are inserted receives the load and the universal joint 20 flows up and down and left and right by the fluid shaft. Rotating wood chips that were inserted in the outer space of the middle screw shaft 12 is to be released from the gap.

Then, the connecting portion between the rear screw right shaft 13, the whole screw right shaft 11, and the intermediate screw right shaft 12 is arranged up and down on one side, and the left and right shafts 21 are arranged on the upper and lower sides, the left and right oval shaft holes 22, and the shaft length. It is connected to the universal coupling 20 having fluidity in the direction, and the other side is vertically and vertically arranged at the upper and lower, left and right circular shaft holes. There is a number.

1 is a cross-sectional view showing a state of use of the present invention

Figure 2a, b is a perspective view before and after assembly showing the configuration of the universal coupling of the fluid shaft

3A is an enlarged cross-sectional view of installing a screw shaft in which a universal coupling is connected to the front and the rear of a transfer cylinder.

Figure 3b is an enlarged cross-sectional view showing an operating state when the wood chip is fitted to the rear in Figure 3a.

Figure 3c is an enlarged cross-sectional view showing the operating state when the wood chip is fitted to all sides in Figure 3a

Explanation of symbols for important parts of the drawings

1 fuel supply pipe 2 combustion head 3 motor

10: fuel transfer cylinder 11: all screw shaft 12: intermediate screw shaft

13: rear screw right shaft 20: universal coupling 21: vertical axis

22: up and down, left and right oval shaft

Claims

The screw shaft inside the fuel transfer cylinder 10 transfers and burns wood pellets and wood chips, which are solid fuels, supplied from the fuel supply pipe 1 by the rotation of the rear motor 3 and the reduction gear. In the solid fuel combustor, the screw shaft is separated into a rear screw shaft 13 on the motor 3 side, an all screw shaft 11 on the combustion head 2 side, and an intermediate screw shaft 12 on each side. Device for preventing pinch of solid fuel conveying screw which is connected to the universal coupling 20 having fluidity in the longitudinal direction of the left and right shafts 21 are arranged in the upper and lower, left and right elliptical shaft hole 22

According to claim 1, wherein the connecting portion between the rear screw shaft 13, the whole screw shaft 11 and the intermediate screw shaft 12, one side up and down, the left and right shaft 21 is up and down, left and right oval shaft hole 22 It is laid and connected to the universal coupling 20 which is fluid in the longitudinal direction of the shaft, and the other side is formed in the vertical shafts of the upper and lower sides, the upper and lower shafts and the left and right shafts, and connected by the well-known universal coupling having no fluidity in the longitudinal direction of the shaft. Interlocking device of fuel feed screw