CN214516551U

CN214516551U - Multiple anti-blocking online automatic ash removal disassembly-free device

Info

Publication number: CN214516551U
Application number: CN202021539732.5U
Authority: CN
Inventors: 鲁守东; 张泳
Original assignee: Nanjing Suluyuan Automation Equipment Co ltd
Current assignee: Nanjing Suluyuan Automation Equipment Co ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-10-29
Anticipated expiration: 2030-07-30

Abstract

The utility model discloses a multiple anti-blocking online automatic deashing exempts from to tear open device, including a deashing section of thick bamboo, both ends communicate separately about the deashing section of thick bamboo has conical shell, and upper end conical shell top is provided with the deashing mouth, and the pyramis intercommunication has the pressure pipe, and lower extreme conical shell bottom is provided with puts grey valve and sealing valve, and deashing section of thick bamboo middle part still runs through there is the sampling tube, the inside deashing guide arm that is provided with of sampling tube. Can realize multiple anti-blocking, on-line automatic ash removal and disassembly-free devices. Thereby simplifying the labor amount of personnel in dangerous places or narrow spaces, and improving the time efficiency of maintenance and the safety of personnel.

Description

Multiple anti-blocking online automatic ash removal disassembly-free device

Technical Field

The utility model relates to a flue gas measurement sample technical field specifically is a multiple anti-blocking online automatic deashing exempts from to tear open device.

Background

The hearth pressure, the flue gas pressure, the coal mill pressure and the primary and secondary air pressure in the thermal power generation pulverized coal furnace are important bases for normal operation of the boiler. Present power plant generally all adopts conventional stifled sampling device that prevents (if built-in three-layer prevents stifled sample, automatic blowback sample or from clear ash sampler), these products are preventing even appearance and have some effects in preventing stifled sample, but not very obvious, blocking phenomenon takes place occasionally, especially fluidized bed boiler is stifled more easily, because of burning in the fluidized bed furnace, utilize powerful air current to make the material flow get up and carry out abundant burning, burning in the furnace utilizes powerful air current to make the material flow get up and carry out abundant burning, the material that flows blocks up sampling device more easily.

Patent document publication number CN208636109U discloses a sampling device is prevented stifled to Y type, including the Y venturi tube, the sampling tube, the Y venturi tube is including dredging pipe and standpipe, the standpipe lower extreme is connected and the intercommunication with dredging pipe middle part, both constitute Y shape, it is air intake and measured pipeline intercommunication to dredge the pipe lower extreme, the upper end is provided with the shutoff bolt, the standpipe upper end is connected with the sampling tube lower extreme, the sampling tube is the cylinder venturi tube, be provided with awl section of thick bamboo I in it, awl section of thick bamboo II, awl section of thick bamboo I, the tip department opening of awl section of thick bamboo II, both symmetries are fixed to be set up in the sampling tube, awl section of thick bamboo I, the cavity is the cushion chamber between the awl section of thick bamboo II. Although certain optimization has been carried out to stifled sampling device structure, nevertheless after blockking up, still must dismantle the maintenance to stifled sampling device, some equipment must wait to clear up after shutting down and maintain, seriously influences measured data's authenticity, causes the unstability of operating system. The disassembly-free cleaning and maintenance of the anti-blocking sampling device can not be realized.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multiple anti-blocking online automatic deashing detaching-free device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a multiple stifled online automatic deashing exempts from to tear open device, includes a deashing section of thick bamboo, and both ends communicate separately about aforementioned deashing section of thick bamboo has the toper casing, and wherein, upper end toper casing top is provided with the deashing mouth, and the pyramis intercommunication has the pressure pipe, and lower extreme toper casing bottom is provided with puts grey valve and sealing valve, and aforementioned deashing section of thick bamboo middle part still runs through there is the sampling tube, and aforementioned sampling tube inside is provided with the deashing guide arm.

Furthermore, one end of the ash removal guide rod is connected with a motor guide rod of a direct current motor and sealed with the sampling tube through a shaft seal, the other end of the ash removal guide rod is connected with an ash removal sheet, and the ash removal sheet is positioned in the ash removal cylinder in a standby state of the direct current motor; under the working state of the direct current motor, the dust cleaning sheet can push the accumulated dust in the sampling pipe to the interior of the tested body.

Further, the inside of aforementioned deashing section of thick bamboo still is provided with second grade dust board from last to down to and one-level dust board, and wherein, aforementioned second grade dust board is fixed to adopt the solid setting of center fretwork periphery, aforementioned one-level dust board is movable, and it sets up to the centre solid and its external diameter and aforementioned deashing section of thick bamboo internal diameter have certain difference.

Furthermore, one end of the primary ash baffle is movably connected to the inner wall of the ash removing cylinder through a pin, the other end of the primary ash baffle is supported on a supporting rod of the ash removing guide rod, and when the ash removing guide rod moves back and forth in the sampling pipe, the primary ash baffle can swing around the pin at a certain angle.

Further, the direct current motor is provided with a motor controller in a combined mode, the motor controller is provided with remote wired control and wireless remote control, and the motor controller is used for controlling the forward and reverse rotation of the direct current motor.

Further, the ash discharging valve is a butterfly valve, and the sealing valve is a ball valve.

Compared with the prior art, the beneficial effects of the utility model are that: the multifunctional automatic dust removing device has the advantages that the important transformation and upgrading are carried out through the points on the connecting structure of the sampling tube and the dust removing cylinder, the connecting structure of the pressure guiding port and the dust removing cylinder, the structure of the two stages of dust baffles, the electric transmission mechanism, the wireless controller structure added by simplifying the cables laid on site and the dust removing structure at the lower end of the dust removing cylinder, and multiple blockage prevention, online automatic dust removal and no-dismounting device can be realized. Thereby simplifying the labor amount of personnel in dangerous places or narrow spaces, and improving the time efficiency of maintenance and the safety of personnel.

Drawings

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

FIG. 2 is a schematic view of the ash removal sheet of the present invention;

FIG. 3 is a schematic structural view of a second-stage dust-blocking board of the present invention;

FIG. 4 is a schematic structural view of a primary ash baffle of the present invention;

FIG. 5 is a schematic view of the installation and use of the present invention;

fig. 6 is an electrical schematic diagram of the motor controller of the present invention.

In the figure: 1. the dust cleaning device comprises a dust cleaning barrel, 2, an upper end conical shell, 3, a lower end conical shell, 4, a dust cleaning opening, 5, a pressure guiding pipe, 6, a dust discharging valve, 7, a sealing valve, 8, a sampling pipe, 9, a dust cleaning guide rod, 10, a direct current motor, 11, a motor guide rod, 12, a shaft seal, 13, a dust cleaning sheet, 14, a secondary dust baffle, 15, a primary dust baffle, 16, a pin, 17, a supporting rod, 18 and a motor controller.

Detailed Description

The following description will explain embodiments of the present invention in detail with reference to the accompanying drawings.

Examples

The embodiment provides a multiple anti-blocking online automatic deashing disassembly-free device, as shown in fig. 1, including a deashing section of thick bamboo 1, both ends communicate separately about the deashing section of thick bamboo 1 has conical shell, and wherein the top of upper end conical shell 2 is provided with deashing mouth 4, and the pyramis intercommunication has the

pressure pipe

5, and 3 bottoms of lower extreme conical shell are provided with puts grey valve 6 and sealing valve 7, and deashing section of thick bamboo 1 middle part has still run through sampling tube 8, and sampling tube 8 is inside to be provided with deashing guide arm 9. When this device is cleared up to needs utilization blowback technique, utilize equipment such as air pump can carry out gaseous blowback to this device from deashing mouth 4, thereby to the inside jam department of this device clear up and the mediation, the suction tube 5 communicates in the pyramis of upper end toper casing 2, can prevent that the deposition between suction tube 5 and the deashing section of thick bamboo 1 junction from producing, sampling tube 8 adopts and inserts the run-through from the middle part of deashing section of thick bamboo 1 to one side and link up, and do not adopt traditional bottom intercommunication from deashing section of thick bamboo 1, can effectively avoid sampling tube 8 and the unable phenomenon emergence of clearing up of deposition of deashing section of thick bamboo 1 handing-over department production.

As shown in fig. 1, one end of the ash removal guide rod 9 of the present embodiment is connected to a motor guide rod 11 of a dc motor 10, and is sealed with the sampling tube 8 by a shaft seal 12, the other end of the ash removal guide rod 9 is connected to an ash removal sheet 13, the ash removal sheet 13 is used for cleaning the ash deposition inside the sampling tube 1, and the structure thereof is shown in fig. 2. In the standby state of the direct current motor 10, the ash removal sheet 13 is positioned in the ash removal cylinder 1; under the working state of the DC motor 10, the dust cleaning sheet 13 can push the accumulated dust in the sampling tube 8 to the interior of the tested body.

As shown in fig. 1, a secondary ash baffle 14 and a primary ash baffle 15 are further arranged inside the ash removing cylinder 1 of the present embodiment from top to bottom, wherein the secondary ash baffle 14 is fixed and is arranged by adopting a hollow center and a solid periphery, as shown in fig. 3; the first-stage ash baffle 15 is movable, is solid in the middle, and has a certain difference between the outer diameter and the inner diameter of the ash removal cylinder 1, as shown in fig. 4. Through the different designs of two-stage dust baffles, the possibility that dust enters the pressure guiding pipe 5 can be effectively reduced, and dust blocked by the second-stage dust baffle 14 can enter the lower end of the ash removing cylinder 1 from a gap between the first-stage dust baffle 15 and the ash removing cylinder 1.

As shown in fig. 1, one end of the primary ash baffle 15 of this embodiment is movably connected to the inner wall of the ash removing cylinder 1 through a pin 16, and the other end is supported on a support rod 17 of the ash removing guide rod 9, and when the ash removing guide rod 9 moves back and forth in the sampling tube 8, the primary ash baffle 15 can swing around the pin 16 at a certain angle. Fig. 5 shows the installation and use of the embodiment, the sampling tube 8 is in sealed communication with the sampling pipeline of the tested body through a flange, and when the ash removing sheet 13 pushes the accumulated ash in the sampling tube 8 to the interior of the tested body, the primary ash baffle 15 also swings at an angle. Along with the back and forth swing of the first dust baffle 15, the dust accumulated on the upper surface of the first dust baffle will also fall into the lower end of the dust cleaning barrel 1.

As shown in fig. 1, the dc motor 10 of the present embodiment is provided with a motor controller 18, the motor controller 18 has a remote wired control and a wireless remote control, and the motor controller 18 is used for controlling the forward and reverse rotation of the dc motor 10. FIG. 6 shows the motor controller electrical principle of the present embodiment, M being the actuator motor of DC 24V; KA1/KA2 is a 14-pin intermediate relay of DC 24V; KT1/KT2 is a DC24V time relay; KJ1/KJ2 is a normally closed point of the travel limit switch; the SB1/SB2 is used as an interface leading to a wiring terminal and used as DCS wired control; the remote module can operate the forward and reverse rotation of the direct current motor 10 in a inching manner through a handheld remote control device, such as a remote controller or a mobile phone provided with APP control software, so that remote online automatic ash removal is realized.

As shown in fig. 1, the ash discharge valve 6 of the present embodiment is a butterfly valve, and the sealing valve 7 is a ball valve. The ash valve is arranged to the second grade of having designed to the bottom of a dust removal section of thick bamboo 1, and it gives consideration to sealed function to put ash valve 6 and mainly play the ash blocking function, and sealing valve 7 mainly plays sealed effect, when the maintenance needs row ash, opens earlier and puts ash valve 6 and let the dust fall into sealing valve 7 on, closes again and puts ash valve 6 and open sealing valve 7 and arrange the ash, clears up sealing valve 7's dust behind the row ash, close sealing valve 7 can. The function is generally used during the large and small repair, and two valves can be opened simultaneously (in a shutdown state) during the large and small repair.

The multiple anti-blocking online automatic deashing disassembly-free device provided by the embodiment is characterized in that the sampling tube is connected with the deashing cylinder in a connecting structure, the pressure port is connected with the deashing cylinder in a connecting structure, two stages of ash baffles are structurally arranged, an electric transmission mechanism is additionally arranged, the wireless controller added by the field laid cable is simplified, and the ash discharging structure at the lower end of the deashing cylinder is mainly modified and upgraded at several points, so that multiple blockage prevention, online automatic deashing and disassembly-free devices are realized. Thereby simplifying the labor amount of personnel in dangerous places or narrow spaces, and improving the time efficiency of maintenance and the safety of personnel.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements are all considered to be within the protection scope of the present invention.

Claims

1. The utility model provides a multiple anti-blocking online automatic deashing detaching-free device, includes a deashing section of thick bamboo (1), both ends communicate separately about a deashing section of thick bamboo (1) have toper casing (2, 3), its characterized in that: the top of the upper end conical shell (2) is provided with an ash cleaning port (4), the pyramid part is communicated with a pressure guiding pipe (5), the bottom of the lower end conical shell (3) is provided with an ash discharging valve (6) and a sealing valve (7), the middle of the ash cleaning cylinder (1) is also penetrated with a sampling pipe (8), and an ash cleaning guide rod (9) is arranged inside the sampling pipe (8).

2. The multi-block-proof online automatic ash removal disassembly-free device according to claim 1, characterized in that: one end of the ash removal guide rod (9) is connected with a motor guide rod (11) of a direct current motor (10) and sealed with the sampling tube (8) through a shaft seal (12), the other end of the ash removal guide rod (9) is connected with an ash removal sheet (13), and the ash removal sheet (13) is positioned in the ash removal barrel (1) in a standby state of the direct current motor (10); under the working state of the direct current motor (10), the ash removal sheet (13) can push the accumulated ash in the sampling tube (8) to the interior of the tested body.

3. The multi-block-proof online automatic ash removal disassembly-free device according to claim 1, characterized in that: the inside of a deashing section of thick bamboo (1) is from last still to being provided with second grade ash blocking plate (14) down to and one-level ash blocking plate (15), wherein, second grade ash blocking plate (14) are fixed to adopt the solid setting of center fretwork periphery, one-level ash blocking plate (15) are movable, its setting to middle solid and its external diameter with a deashing section of thick bamboo (1) internal diameter has certain difference.

4. The multi-block-proof online automatic ash removal disassembly-free device according to claim 3, characterized in that: one end of the first-level ash baffle (15) is movably connected to the inner wall of the ash removing cylinder (1) through a pin (16), the other end of the first-level ash baffle is supported on a supporting rod (17) of an ash removing guide rod (9), the ash removing guide rod (9) is arranged in the sampling tube (8) and can move back and forth, and the first-level ash baffle (15) can swing around the pin (16) at a certain angle.

5. The multiple anti-blocking online automatic ash removal disassembly-free device according to claim 2, characterized in that: the direct current motor (10) is provided with a motor controller (18) in a combined mode, the motor controller (18) is provided with remote wired control and wireless remote control, and the motor controller (18) is used for controlling the positive and negative rotation of the direct current motor (10).

6. The multi-block-proof online automatic ash removal disassembly-free device according to claim 1, characterized in that: the ash discharging valve (6) is a butterfly valve, and the sealing valve (7) is a ball valve.