CN213275432U

CN213275432U - Scour prevention type gas analyzer

Info

Publication number: CN213275432U
Application number: CN202021560835.XU
Authority: CN
Inventors: 王锦坤
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-05-25
Anticipated expiration: 2030-07-31

Abstract

The utility model discloses an anti-scouring gas analyzer, which comprises a round shaft, a gas collecting cylinder and a driving mechanism; round shaft: two groups of gas channels are symmetrically arranged in the circular shaft, a flange plate is arranged on the side surface of the circular shaft, the top end of the circular shaft is communicated with a gas analysis cylinder, a gas sensor is arranged on the inner wall of the top end of the gas analysis cylinder, an anti-scouring shield is arranged in the gas analysis cylinder, and the anti-scouring shield is arranged at the top end of the circular shaft; a gas collection cylinder: the intercommunication is in the bottom of circle axle, two inlet ports have been seted up to the side of gas collecting cylinder, the inlet port intercommunication has gas chamber, gas chamber is equipped with two, and the symmetric distribution is in gas collecting cylinder, and communicating pipe and gas passage intercommunication are passed through on its top, and gas collecting cylinder's inner wall rotates and is connected with the carousel, the carousel is located communicating pipe department, and this gas analysis appearance can protect filter screen and zirconia zirconium head, avoids it to receive the scouring action, can prolong its life.

Description

Scour prevention type gas analyzer

Technical Field

The utility model relates to a gas analysis technical field specifically is a scour prevention type gas analysis appearance.

Background

The zirconia oxygen analyzer is mainly used for measuring the oxygen-containing concentration of flue gas in the combustion process, and is also suitable for measuring the oxygen concentration of non-combustion gas, a millivolt potential is generated by an electrochemical cell with constant temperature in a sensor, and the potential directly reflects the oxygen-containing concentration value in the flue gas.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a scour prevention type gas analysis appearance, this gas analysis appearance can protect filter screen and zirconia zirconium head, avoids it to receive the scouring action, can prolong its life, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: an anti-scouring gas analyzer comprises a round shaft, a gas collecting cylinder and a driving mechanism;

round shaft: two groups of gas channels are symmetrically arranged in the circular shaft, a flange plate is arranged on the side surface of the circular shaft, the top end of the circular shaft is communicated with a gas analysis cylinder, a gas sensor is arranged on the inner wall of the top end of the gas analysis cylinder, an anti-scouring shield is arranged in the gas analysis cylinder, and the anti-scouring shield is arranged at the top end of the circular shaft;

a gas collection cylinder: the gas collecting cylinder is communicated with the bottom end of the circular shaft, two gas inlet holes are formed in the side face of the gas collecting cylinder, the gas inlet holes are communicated with a gas cavity, two gas cavities are symmetrically distributed in the gas collecting cylinder, the top end of the gas collecting cylinder is communicated with a gas channel through a communicating pipeline, the inner wall of the gas collecting cylinder is rotatably connected with a rotary table, the rotary table is located at the communicating pipeline, two filter screens are symmetrically arranged at the top end of the rotary table, and the size of each filter screen is the same as that of the communicating pipeline;

a driving mechanism: the driving mechanism is arranged on the side surface of the round shaft and is connected with the rotary table;

wherein: the output end of the gas sensor is electrically connected with the input end of an external singlechip, and the input end of the external singlechip is electrically connected with the output end of an external power supply.

Further, still include the screw rod, the one end of screw rod is connected at scour prevention guard shield tip, and its other end threaded connection adopts threaded connection's mode at the middle part on circle axle top, and the change is dismantled to the scour prevention guard shield to the convenience.

Further, actuating mechanism includes sprocket, chain, servo motor and pivot, the through-hole has been seted up to the side of circle axle, and it is located through-hole position department and is equipped with two backup pads, servo motor installs in the backup pad, the pivot is rotated and is connected at the middle part of circle axle, and its bottom is connected with the carousel, the sprocket is equipped with two sets ofly, and a set of sprocket is installed in the side of pivot, and another group is installed on servo motor's output shaft, and two sprockets pass through chain drive and connect, and the output of outside singlechip is connected to servo motor's input electricity, and actuating mechanism can drive the carousel and rotate, changes the position of filter screen, and then the on-off state of.

Furthermore, the filter screen is zirconia ceramic filter screen, and it is downthehole at the round of carousel tip through the screw fixation, and the filter screen adopts the screw fixation mode easily to take off the change.

Further, the scour prevention guard shield is the back taper cover, and its concave surface is towards gas sensor, and the back taper structure can avoid gaseous direct scouring gas sensor, can effectual protection gas sensor with gas direction both sides.

Compared with the prior art, the beneficial effects of the utility model are that: this scour prevention type gas analyzer has following benefit:

this scour prevention type gas analysis appearance adopts the binary channels form to detect gas, thereby one side advances opposite side department and forms the gas circulation passageway, and utilize the scour prevention guard shield to carry out effectual protection to gas sensor, can prolong gas sensor's life, install the filter screen on the carousel, it rotates to drive the carousel under actuating mechanism's effect, and then can change the position of filter screen, utilize the carousel to seal the intercommunication pipeline, thereby form an inclosed space, can avoid gas analysis appearance inside to receive the flue gas to erode the influence for a long time, can improve gas analysis appearance's life effectively.

Drawings

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

fig. 2 is a schematic view of the bottom view structure of the present invention;

FIG. 3 is a schematic sectional view of the A-A surface of the present invention;

FIG. 4 is a schematic sectional view of the plane B-B of the present invention;

FIG. 5 is a schematic cross-sectional view of the C-C plane of the present invention;

FIG. 6 is a schematic view of the enlarged structure of the part D of the present invention;

fig. 7 is a schematic view of the local enlarged structure at the position E of the present invention.

In the figure: 1 round shaft, 2 gas collecting cylinders, 3 gas analyzing cylinders, 4 driving mechanisms, 41 chain wheels, 42 chains, 43 servo motors, 44 rotating shafts, 5 supporting plates, 6 flange plates, 7 anti-scouring shields, 8 gas sensors, 9 screw rods, 10 gas channels, 11 gas inlet holes, 12 rotating discs, 13 filter screens, 14 through holes, 15 gas chambers and 16 communicating pipelines.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: an anti-scouring gas analyzer comprises a round shaft 1, a gas collecting cylinder 2 and a driving mechanism 4;

round shaft 1: two groups of gas channels 10 are symmetrically arranged in the circular shaft 1, the two groups of gas channels 10 are circular channels and have a certain distance therebetween, a flange plate 6 is arranged on the side surface of the circular shaft 1 and is convenient to fix the circular shaft on a furnace wall, the top end of the circular shaft is communicated with a gas analysis cylinder 3, the gas analysis cylinder 3 is provided with a U-shaped cavity which can allow gas to pass through, a gas sensor 8 is arranged on the inner wall of the top end of the gas analysis cylinder 3, the gas sensor 8 has the same function as the gas sensor in the patent application No. 201520938916.1, an anti-scouring shield 7 is arranged in the gas analysis cylinder and is used for protecting the gas sensor 8 from long-term scouring of the gas, the anti-scouring shield 7 is arranged at the top end of the circular shaft 1, the anti-scouring shield 7 is an inverted cone-shaped shield, the concave surface of the anti-scouring shield faces towards the gas sensor 8, the, the anti-erosion protective cover is characterized by further comprising a screw 9, one end of the screw 9 is connected to the end portion of the anti-erosion protective cover 7, the other end of the screw 9 is in threaded connection with the middle of the top end of the round shaft 1, and the mounting method of the anti-erosion protective cover is in a threaded connection mode and is convenient to detach and mount;

gas collection cylinder 2: the gas collecting cylinder 2 is communicated with the bottom end of the circular shaft 1, two gas inlet holes 11 are formed in the side face of the gas collecting cylinder 2, the gas inlet holes 11 are communicated with two gas chambers 15, the two gas chambers 15 are symmetrically distributed in the gas collecting cylinder 2, the top end of the gas collecting cylinder is communicated with a gas channel 10 through a communicating pipeline 16, smoke enters the gas chambers 15 from one gas inlet hole 11 and enters the gas channel 10 along the communicating pipeline 16 to complete gas collecting work, the inner wall of the gas collecting cylinder 2 is rotatably connected with a rotary table 12, the rotary table 12 is located at the communicating pipeline 16, two filter screens 13 are symmetrically arranged at the top end of the rotary table 12, the size of each filter screen 13 is identical to that of the communicating pipeline 16, each filter screen 13 is a zirconia ceramic filter screen and is fixed in a circular hole in the end of the rotary table 12 through screws, and each filter screen 13 plays;

the driving mechanism 4: install the side at circle axle 1, actuating mechanism 4 links together with carousel 12, actuating mechanism 4 includes sprocket 41, chain 42, servo motor 43 and pivot 44, through-hole 14 has been seted up to the side of circle axle 1, it is located through-hole 14 position department and is equipped with two backup pads 5, servo motor 43 installs on backup pad 5, pivot 44 rotates the middle part of connecting at circle axle 1, its bottom is connected with carousel 12, sprocket 41 is equipped with two sets ofly, a set of sprocket 41 is installed in the side of pivot 44, another group is installed on servo motor 43's output shaft, two sprocket 41 are connected through the transmission of chain 42, the output of outside singlechip is connected to servo motor 43's input electricity, actuating mechanism 4's effect is to drive carousel 12 and rotates certain angle, thereby can ensure that communicating pipe 16 is in the closed state when not using the analysis appearance, avoid inside to receive the erodeing of flue gas for a long, when the gas filter is used, an output shaft of the servo motor 43 drives a chain wheel 41 to rotate, further, under the transmission action of the chain 42, the rotating shaft 44 and the rotating disc 12 are driven to rotate, the rotating disc 12 drives the filter screen 13 to leave the communicating pipeline 16, further, the communicating pipeline 16 is sealed by the rotating disc 12, and gas cannot pass through the communicating pipeline 16;

wherein: the output end of the gas sensor 8 is electrically connected with the input end of an external singlechip, and the input end of the external singlechip is electrically connected with the output end of an external power supply.

When in use: the flue gas passes through the inlet port 11 of one side in proper order, gas cavity 15, communicating pipe 16 and gas channel 10, then get into in the gas analysis section of thick bamboo 3, will detect information transmission to outside singlechip by gas sensor 8, then the gas loops through the gas channel 10 of opposite side, communicating pipe 16, gas cavity 15 and inlet port 11 discharge, after the detection is accomplished, then the output shaft of servo motor 43 drives a sprocket 41 and rotates, and then under the drive action of chain 42, drive pivot 44 and carousel 12 and rotate, carousel 12 drives filter screen 13 and leaves communicating pipe 16, and then carousel 12 seals communicating pipe 16, avoid the flue gas to enter into in the gas analysis section of thick bamboo 3.

It should be noted that the specific model of the external single chip microcomputer disclosed in this embodiment is STM8S207MBT6B, the preferred model of the gas sensor 8 is O2S-FR-T2, the preferred model of the servo motor 43 is 13LDK2206, and the external single chip microcomputer controls the servo motor 43 to work by a method commonly used in the prior art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an scour prevention type gas analyzer which characterized in that: comprises a circular shaft (1), a gas collecting cylinder (2) and a driving mechanism (4);

round shaft (1): two groups of gas channels (10) are symmetrically arranged in the circular shaft (1), a flange plate (6) is arranged on the side surface of the circular shaft (1), the top end of the circular shaft is communicated with a gas analysis cylinder (3), a gas sensor (8) is arranged on the inner wall of the top end of the gas analysis cylinder (3), an anti-scouring shield (7) is arranged in the gas analysis cylinder, and the anti-scouring shield (7) is arranged at the top end of the circular shaft (1);

gas collection cartridge (2): the gas collecting device is characterized in that the bottom end of the circular shaft (1) is communicated, two gas inlet holes (11) are formed in the side face of the gas collecting cylinder (2), the gas inlet holes (11) are communicated with a gas chamber (15), the two gas chambers (15) are symmetrically distributed in the gas collecting cylinder (2), the top end of the gas collecting cylinder is communicated with a gas channel (10) through a communicating pipeline (16), the inner wall of the gas collecting cylinder (2) is rotatably connected with a rotary table (12), the rotary table (12) is located at the communicating pipeline (16), two filter screens (13) are symmetrically arranged at the top end of the rotary table, and the size of each filter screen (13) is the same as that of the communicating pipeline (16);

drive mechanism (4): the driving mechanism (4) is arranged on the side surface of the round shaft (1) and connected with the rotary disc (12);

wherein: the output end of the gas sensor (8) is electrically connected with the input end of an external singlechip, and the input end of the external singlechip is electrically connected with the output end of an external power supply.

2. An anti-scour gas analyzer according to claim 1, further comprising: still include screw rod (9), the one end of screw rod (9) is connected at scour prevention guard shield (7) tip, and its other end threaded connection is in the middle part on circle axle (1) top.

3. An anti-scour gas analyzer according to claim 1, further comprising: actuating mechanism (4) include sprocket (41), chain (42), servo motor (43) and pivot (44), through-hole (14) have been seted up to the side of circle axle (1), and it is located through-hole (14) position department and is equipped with two backup pads (5), servo motor (43) are installed on backup pad (5), pivot (44) are rotated and are connected the middle part in circle axle (1), and its bottom is connected with carousel (12), sprocket (41) are equipped with two sets ofly, and the side in pivot (44) is installed in a set of sprocket (41), and another group is installed on servo motor (43)'s output shaft, and two sprocket (41) are connected through chain (42) transmission, and the output of outside singlechip is connected to the input electricity of servo motor (43).

4. An anti-scour gas analyzer according to claim 1, further comprising: the filter screen (13) is a zirconia ceramic filter screen and is fixed in a round hole at the end part of the rotary table (12) through screws.

5. An anti-scour gas analyzer according to claim 1, further comprising: the anti-scouring shield (7) is an inverted conical shield, and the concave surface of the anti-scouring shield faces the gas sensor (8).