CN212338202U - Furnace ash discharge valve of gasifier with external oil cylinder - Google Patents

Abstract

The utility model relates to a furnace dust discharge valve of an oil cylinder external gasifier, which is provided with a valve seat arranged at the top of a material tank, a driving device mounting seat is arranged on the side wall of the material tank, a crank arm bracket is arranged at the bottom of the driving device mounting seat, a hydraulic oil cylinder bracket is arranged at the top of the driving device mounting seat, a hydraulic oil cylinder device is arranged at the top of the hydraulic oil cylinder bracket, and a piston push rod in the hydraulic oil cylinder device extends into the hydraulic oil cylinder bracket and is connected with the top end of a transition rod through an insulating connector; the bottom end of the transition rod extends into the driving device mounting seat and is hinged with the top end of a crank arm connecting rod, the bottom end of the crank arm connecting rod is hinged with one end of an L-shaped crank arm, and the other end of the L-shaped crank arm is provided with a valve plate. The utility model discloses obviously only need dismantle the drive arrangement mount pad, can realize valve plate, hydraulic cylinder's online change.

Description

Furnace ash discharge valve of gasifier with external oil cylinder

Technical Field

The utility model relates to a coal gasifier technical field, especially a ashes discharge valve of external gasifier of hydro-cylinder.

Background

Chinese patent 201821292726.7 discloses a coal gasifier and a coal lock, comprising a housing, wherein the housing is provided with a coal inlet and a coal outlet, and the coal inlet is provided with an upper valve group; the upper valve group comprises an upper valve body, an upper valve rod and an upper valve core, wherein one end of the upper valve body is provided with an upper valve port which is connected with the coal inlet, one end of the upper valve rod can extend into the upper valve body and is connected with the upper valve core, and a sealing element is arranged between a penetrating part of the upper valve rod of the upper valve body and the upper valve rod so that the upper valve rod and the penetrating part are sealed in a sliding mode along the axial direction; the first driving piece arranged outside can control the upper valve rod to axially displace, so that the upper valve core is switched between a first working position for plugging the upper valve port and a second working position for opening the upper valve port. The leakproofness of the coal lock that this patent provided is better, can improve coal gasifier's production efficiency to guarantee coal gasifier operating environment and staff's health around the stove. However, the lower valve body, the valve rod and the driving oil cylinder in the patent are all arranged in the shell, so that the installation and the maintenance are difficult, and when the coal lock is overhauled, an overhaul worker is required to enter the closed shell, and because the inside of the shell is at high temperature and is full of coal gas in a working state, the overhaul work has great potential safety hazards. Therefore, a furnace ash discharge valve of the gasification furnace with the external oil cylinder is needed.

Disclosure of Invention

An object of the utility model is to provide a stove ash discharge valve of external gasifier of hydro-cylinder, disk seat are installed at material jar top, set up the drive arrangement mount pad on the lateral wall of material jar, and the bottom of this drive arrangement mount pad is located the material jar, sets gradually crank arm support, L shape crank arm and valve plate, outside the top of drive arrangement mount pad was located the material jar, set gradually hydraulic cylinder support, hydraulic cylinder device. The utility model discloses only need dismantle the drive arrangement mount pad, can realize valve plate, hydraulic cylinder's online change for it is very convenient to overhaul the maintenance.

The utility model aims at being realized by the following technical scheme: a furnace dust discharge valve of an oil cylinder external type gasification furnace is provided with a valve seat, wherein the valve seat is arranged at the top of a charging bucket; a driving device mounting seat is arranged on the side wall of the charging bucket, a crank arm support is arranged at the bottom of the driving device mounting seat, a hydraulic oil cylinder support is arranged at the top of the driving device mounting seat, a heat insulation sealing ring is arranged at the bottom of the hydraulic oil cylinder support, a hydraulic oil cylinder device is arranged at the top of the hydraulic oil cylinder support, a heat insulation mechanism is arranged between the hydraulic oil cylinder support and the hydraulic oil cylinder device, and a piston push rod in the hydraulic oil cylinder device extends into the hydraulic oil cylinder support and is connected with the top end of a transition rod through a heat insulation connector; the bottom of transition pole extends to it is articulated with the top of a crank arm connecting rod in the drive arrangement mount pad, the bottom of crank arm connecting rod is articulated with an L shape crank arm one end, the middle part of L shape crank arm is installed through the crank arm axle on the crank arm support, the valve plate is installed to the other end of L shape crank arm.

In order to ensure that the transition rod moves along a straight line, an auxiliary shaft sleeve is arranged in the driving device mounting seat, and the transition rod and the auxiliary shaft sleeve are mounted together.

In order to prevent the overhigh temperature of the hydraulic oil cylinder influenced by heat conduction, the heat insulation mechanism is a disc-shaped heat insulation seat, and a plurality of ventilation channels are arranged in the disc-shaped heat insulation seat.

In order to prevent that material jar internal high temperature from transmitting hydraulic cylinder, adiabatic connector includes piston push rod connector, transition pole connector, round pin axle, double round pin axle sleeve, piston push rod connector is the fork joint, the transition pole connector is falcon shape and connects, double round pin axle sleeve sets up two the connector between the position, the round pin axle is installed two the round pin axle hole of connector in.

Compared with the prior art, the utility model have following advantage:

1. because the utility model discloses an external installation, maintainer can dismantle the drive arrangement mount pad on line, realizes valve plate, hydraulic cylinder's online change for it is very convenient to overhaul to maintain.

2. The utility model discloses in, the bottom of hydraulic cylinder support sets up thermal-insulated sealing ring, can block the heat in the feed cylinder and to the conduction of hydraulic cylinder, improve the reliability of hydraulic cylinder work.

3. The utility model discloses in, set up the thermal insulation connector at hydraulic cylinder's piston push rod end, can block that the heat in the feed tank passes through the transition pole and to the conduction of hydraulic cylinder, improves the reliability of hydraulic cylinder work.

4. The utility model provides a valve plate coating nickel base alloy and tungsten carbide protective layer have realized the resistance to wear of valve plate.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the installation position of the heat insulation connector of the present invention;

FIG. 3 is a schematic view of the structure of the double round pin shaft sleeve of the present invention;

fig. 4, the valve plate open state schematic diagram in the utility model.

Detailed Description

The first embodiment is as follows:

referring to the attached drawing 1, the ash discharge valve of the external oil cylinder gasification furnace of the utility model comprises a valve seat 1, which is arranged on the top of a material tank 13 (the material tank belongs to the common equipment in the prior art); a driving device mounting seat 4 is arranged on the side wall of the charging bucket, a crank arm support 5 is arranged at the bottom of the driving device mounting seat, a hydraulic oil cylinder support 7 is arranged at the top of the driving device mounting seat, a heat insulation sealing ring 6 is arranged at the bottom of the hydraulic oil cylinder support, a hydraulic oil cylinder device 8 is arranged at the top of the hydraulic oil cylinder support (the hydraulic oil cylinder device belongs to common equipment in the prior art), a heat insulation mechanism 701 is arranged between the hydraulic oil cylinder support and the hydraulic oil cylinder device, and a piston push rod 801 in the hydraulic oil cylinder device extends into the hydraulic oil cylinder support and is connected with the top end of a transition rod 9 through a heat insulation connector 901; the bottom of transition pole extends to it is articulated with the top of a crank arm connecting rod 12 in the drive arrangement mount pad, the bottom of crank arm connecting rod is articulated with 3 one end of an L shape crank arm, the middle part of L shape crank arm is installed through cranking arm axle 301 on the crank arm support, valve plate 2 is installed to the other end of L shape crank arm.

In the embodiment, the driving device mounting seat is fixedly mounted on the side wall of the charging bucket through a bolt, and belongs to a detachable structure; the side wall of the charging bucket corresponding to the mounting position of the driving device mounting seat is provided with an access hole; the valve plate, the L-shaped crank arm and the crank arm bracket can move out of the tank from the access hole. A cylindrical cavity channel is arranged in the driving device mounting seat, and a crank arm connecting rod and a transition rod are accommodated in the cylindrical cavity channel. The hydraulic cylinder support is of a cylindrical structure and can play a role in protecting the piston push rod, and the hydraulic cylinder support is fixedly connected with the driving device mounting seat through bolts and belongs to a detachable structure. The heat insulation sealing ring and the hydraulic oil cylinder support are arranged together through a plurality of radial screws, the heat insulation sealing ring is provided with a central hole, and the transition rod is arranged in the central hole in a penetrating mode and is assembled together in a sealing mode; the heat insulation sealing ring can prevent heat in the material tank from being conducted to the hydraulic oil cylinder, and the working reliability of the hydraulic oil cylinder is improved. The heat insulation sealing ring is made of ABS engineering plastics or asbestos heat insulation materials.

In this embodiment, because material jar, drive arrangement mount pad, hydraulic cylinder support, hydraulic cylinder all are metal material, the high temperature on the material jar must be transmitted to hydraulic cylinder on. In the embodiment, a heat insulation mechanism is arranged between the hydraulic oil cylinder bracket and the hydraulic oil cylinder device to block the heat on the charging bucket from being transferred to the cylinder body of the hydraulic oil cylinder; the heat insulation mechanism is a disc-shaped heat insulation seat, and a plurality of ventilation channels are arranged in the disc-shaped heat insulation seat; the disk-shaped heat insulation seat is made of ABS engineering plastics. The center of the disk-shaped heat insulation seat is provided with a piston push rod through hole for the piston push rod to pass through the disk-shaped heat insulation seat, and a plurality of ventilation channels are radially arranged from the center of the disk-shaped heat insulation seat to the outer edge and are of through hole structures and communicated with the piston push rod through hole.

In this embodiment, because valve plate, L shape crank arm, crank arm connecting rod, transition pole, piston push rod all are metal material, the high temperature in valve plate and the material jar must be transmitted in the hydraulic cylinder device. In the embodiment, the purpose that the piston push rod is connected with the transition rod through the heat insulation connector is to block heat accumulated on the transition rod from being transferred into the hydraulic oil cylinder; referring to fig. 2, the heat insulation connector comprises a piston push rod connector 802, a transition rod connector 900, a pin 803, and a double-wheel pin sleeve 901, wherein the piston push rod connector is a fork connector, the transition rod connector is a falcon connector, the double-wheel pin sleeve is arranged (or installed) at a position between the two connectors, and the pin is installed in pin holes of the two connectors; the double-wheel pin shaft sleeve is made of ABS engineering plastics. The fork joint on the piston push rod is provided with a pin shaft hole, the tenon-shaped joint on the transition rod is also provided with a pin shaft hole, a double-wheel pin shaft sleeve is installed in the pin shaft hole, then the tenon-shaped joint on the transition rod is assembled with the fork joint on the piston push rod, the pin shaft is installed in the pin shaft hole, and the piston push rod and the transition rod are hinged together. Referring to fig. 3, the double-wheel pin sleeve structure is that two ends of a sleeve-shaped shaft sleeve are provided with annular wheel edges.

In the present embodiment, the ABS engineering plastic belongs to the prior art, and the ABS plastic is a terpolymer of acrylonitrile (a) -butadiene (B) -styrene (S).

Referring to fig. 1, in the present embodiment, the bottom end of the transition rod may be hinged to the top end of the crank arm connecting rod 12 by using a fork joint and a tenon joint (refer to the structure shown in fig. 2), the bottom end of the transition rod is a fork joint, the top end of the crank arm connecting rod is a tenon joint, pin shaft holes are respectively formed in the fork joint and the tenon joint, and the cylindrical pin shaft 11 is installed in the pin shaft holes of the two connecting heads.

Referring to the attached figure 4, when the gasifier needs to discharge furnace ash, the hydraulic oil cylinder device is started, the piston push rod moves upwards, the transition rod and the crank arm connecting rod move upwards along with the piston push rod, the L-shaped crank arm rotates anticlockwise by taking the crank arm shaft as a center, the valve plate rotates downwards, and the furnace ash discharge valve is opened.

In this embodiment, the ash discharge valve of the gasifier with the external oil cylinder can be arranged at the bottom of the gasifier to replace an ash lock in the prior art. The material discharging valve can also be arranged at the upper part of the coal gasifier to replace a coal lock in the prior art, and the material discharging valve plays a role in communication or stopping when the coal gasifier feeds or discharges materials such as raw material coal, furnace ash and the like.

Example two:

the present embodiment is an improvement on the basis of the first embodiment, and the same contents as those in the first embodiment are understood by referring to the contents disclosed in the first embodiment, and are not repeatedly described herein; the disclosure in the first embodiment should also be regarded as the disclosure in the present embodiment.

In this embodiment, in order to improve the wear resistance of valve plate, set up nickel base alloy protective layer or tungsten carbide protective layer on the working face of valve plate, this protective layer can adopt spraying technique coating, can also adopt other modes to generate. In order to ensure that the transition rod moves linearly, an auxiliary bushing 10 is arranged in the drive device mounting seat, and the transition rod and the auxiliary bushing are mounted together.

Claims (4)

1. The utility model provides an external gasifier's of hydro-cylinder ashes discharge valve has a disk seat (1), its characterized in that: the valve seat is arranged at the top of the charging bucket; a driving device mounting seat (4) is arranged on the side wall of the charging bucket, a crank arm support (5) is arranged at the bottom of the driving device mounting seat, a hydraulic oil cylinder support (7) is arranged at the top of the driving device mounting seat, a heat insulation sealing ring (6) is arranged at the bottom of the hydraulic oil cylinder support, a hydraulic oil cylinder device (8) is arranged at the top of the hydraulic oil cylinder support, a heat insulation mechanism (701) is arranged between the hydraulic oil cylinder support and the hydraulic oil cylinder device, and a piston push rod (801) in the hydraulic oil cylinder device extends into the hydraulic oil cylinder support and is connected with the top end of a transition rod (9) through a heat insulation connector (901; the bottom of transition pole extends to it is articulated with the top of a crank arm connecting rod (12) in the drive arrangement mount pad, the bottom of crank arm connecting rod is articulated with an L shape crank arm (3) one end, install through crank arm axle (301) in the middle part of L shape crank arm on the crank arm support, valve plate (2) are installed to the other end of L shape crank arm.

2. The furnace dust discharge valve of claim 1, wherein: an auxiliary shaft sleeve (10) is arranged in the driving device mounting seat, and the transition rod and the auxiliary shaft sleeve are mounted together.

3. The furnace dust discharge valve of claim 2, wherein: the heat insulation mechanism is a disc-shaped heat insulation seat, and a plurality of ventilation channels are arranged in the disc-shaped heat insulation seat.

4. The furnace dust discharge valve according to claim 3, wherein: the heat insulation connector comprises a piston push rod connector, a transition rod connector, a pin shaft and a double-wheel pin shaft sleeve, wherein the piston push rod connector is a fork joint, the transition rod connector is a tenon-shaped connector, the double-wheel pin shaft sleeve is arranged between the two connectors, and the pin shaft is arranged in a pin shaft hole of the two connectors.

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