CN215414569U

CN215414569U - Hidden arm type coal powder sampling device

Info

Publication number: CN215414569U
Application number: CN202121395869.2U
Authority: CN
Inventors: 吴同旺; 杨云芳
Original assignee: Nanjing Guoqing Electric Power Equipment Co ltd
Current assignee: Nanjing Guoqing Electric Power Equipment Co ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2022-01-04
Anticipated expiration: 2031-06-23

Abstract

The utility model discloses a hidden arm type coal powder sampling device, which belongs to the field of coal powder sampling and comprises an air inlet pipe, wherein a compressed air control valve is fixedly sleeved outside one end of the air inlet pipe, a compressed air pressure regulating valve is arranged on one side of the compressed air control valve, the compressed air pressure regulating valve is fixedly sleeved outside the air inlet pipe, an air extractor is fixedly connected on one side of the compressed air pressure regulating valve, a cleaning pipe, a second valve and a first valve are arranged, so that negative pressure can be generated in a sampling pipe, a separator and a sampling bottle through the air extractor in the sampling process of the hidden arm type coal powder sampling device, coal powder flows into the separator through the sampling pipe to perform solid-gas separation on the coal powder, the purpose of sampling the coal powder is achieved, the cleaning pipe is convenient to clean the insides of the sampling pipe and the separator after sampling is finished, and the problem that the coal powder is remained inside a coal powder pipeline and is inconvenient for next sampling is avoided, the working efficiency of the device is improved.

Description

Hidden arm type coal powder sampling device

Technical Field

The utility model belongs to the technical field of pulverized coal sampling, and particularly relates to a hidden arm type pulverized coal sampling device.

Background

The coal powder is coal with the particle size of less than 0.5 mm and is the most commonly used additive in cast iron molding sand.

Most of hidden arm-type buggy sampling device that have now stretches into the sampling tube usually in the use, uses the negative pressure to inhale the buggy and takes a sample, can make the inside buggy that produces of device like this depend on, the clearance of not being convenient for, and in the sample process simultaneously, the buggy can float like inside the hidden arm-type device when the sampling tube takes a sample, provides a hidden arm-type buggy sampling device earlier.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a hidden arm type coal powder sampling device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a hidden arm type pulverized coal sampling device comprises an air inlet pipe, wherein a compressed air control valve is fixedly sleeved outside one end of the air inlet pipe, a compressed air pressure regulating valve is arranged on one side of the compressed air control valve, the compressed air pressure regulating valve is fixedly sleeved outside the air inlet pipe, an air extractor is fixedly connected to one side of the compressed air pressure regulating valve, a purging pipe is fixedly connected to one side of the air extractor, the purging valve is fixedly sleeved outside the purging pipe, a negative pressure pipe is fixedly connected to the bottom of the air extractor, a first valve is fixedly sleeved outside the negative pressure pipe, a separator is fixedly connected to the bottom of the negative pressure pipe, a sampling bottle is fixedly connected to the bottom of the separator, a cleaning pipe is fixedly connected to the bottom of the air inlet pipe, a second valve is fixedly sleeved outside the cleaning pipe, and a conveying pipe is movably connected to one side of the separator, the external fixation of conveyer pipe has cup jointed No. three valves, the casing has been cup jointed in the activity of conveyer pipe outside, the internal connection of casing has closing mechanism, the bottom fixedly connected with sampling tube of conveyer pipe, the outside fixedly connected with rotation handle of conveyer pipe one end.

As a preferred embodiment, the closing mechanism includes a movable plate, the outside of the movable plate is movably connected with the bottom of the housing, the outside of the bottom end of the movable plate is movably connected with a fixed block, the bottom of the movable plate is fixedly connected with a fixed plate, and the top of the fixed plate is fixedly connected with a tension spring.

As a preferred embodiment, the number of the fixing blocks is two, and the bottoms of the two fixing blocks are fixedly connected with the bottom of the inner cavity of the shell.

As a preferred embodiment, the top of the tension spring is fixedly connected with the bottom of the housing, and two ends of the tension spring are respectively fixedly connected with the bottom of the housing and the top of the fixing plate.

In a preferred embodiment, one end of the cleaning pipe is fixedly connected with the other side of the separator, and the bottom of the cleaning pipe is in a straight line with the bottom of the conveying pipe.

In a preferred embodiment, the housing is rectangular, and a sampling port is opened on the back surface of the housing.

Compared with the prior art, the utility model has the beneficial effects that:

the hidden arm type coal powder sampling device is provided with the cleaning pipe, the second valve and the first valve, so that the sampling pipe, the separator and the sampling bottle can generate negative pressure through the air extractor in the sampling process of the hidden arm type coal powder sampling device, coal powder flows into the separator through the sampling pipe, solid-gas separation is carried out on the coal powder, the purpose of sampling the coal powder is achieved, the cleaning pipe is convenient for cleaning the insides of the sampling pipe and the separator after sampling is finished, the problem that the coal powder is remained in the pipeline and is inconvenient for next sampling is avoided, and the working efficiency of the device is improved;

this latent arm-type buggy sampling device, through setting up the fly leaf, the fixed block, fixed plate and extension spring, can be at the in-process of latent arm-type buggy sampling device sample, through the pulling fixed plate, make the fly leaf change along with the position of fixed plate, make to expose the sample connection, be convenient for carry out rotatory sample to the sampling tube, the fixed plate carries out the position reply along with the pulling force effect of extension spring, be convenient for fix the sampling tube after the expansion, effectively avoided the buggy to fall into the inside of casing simultaneously and caused the problem that the inside buggy of casing depends on, two fixed blocks are convenient for fix the fly leaf, the stability of fly leaf has been strengthened.

Drawings

FIG. 1 is a perspective exploded view of the structure of the present invention;

FIG. 2 is a perspective view of the structure of the present invention;

figure 3 is a side cross-sectional view of the structure of the present invention.

In the figure: 1. entering an air pipe; 2. a compressed air control valve; 3. a compressed air pressure regulating valve; 4. an air extractor; 5. a purge tube; 6. a purge valve; 7. a negative pressure tube; 8. a separator; 9. sampling a bottle; 10. cleaning the pipe; 11. a second valve; 12. a delivery pipe; 13. a valve number three; 14. a housing; 15. a sampling tube; 16. rotating the grip; 17. a closing mechanism; 171. a movable plate; 172. a fixed block; 173. a fixing plate; 174. a tension spring; 18. a first valve.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model. The conditions in the embodiments can be further adjusted according to specific conditions, and simple modifications of the method of the present invention based on the concept of the present invention are within the scope of the claimed invention.

Referring to fig. 1, 2 and 3, the present invention provides a hidden arm type coal powder sampling device, which comprises an air inlet pipe 1, a sampling pipe 15 and a rotating handle 16, for convenience, a compressed air control valve 2 is fixedly sleeved outside one end of the air inlet pipe 1, a compressed air pressure regulating valve 3 is arranged on one side of the compressed air control valve 2, the compressed air pressure regulating valve 3 is fixedly sleeved outside the air inlet pipe 1, an air extractor 4 is fixedly connected on one side of the compressed air pressure regulating valve 3, a purging pipe 5 is fixedly connected on one side of the air extractor 4, a purging valve 6 is fixedly sleeved outside the purging pipe 5, a negative pressure pipe 7 is fixedly connected to the bottom of the air extractor 4, a first valve 18 is fixedly sleeved outside the negative pressure pipe 7, a separator 8 is fixedly connected to the bottom of the negative pressure pipe 7, a sampling bottle 9 is fixedly connected to the bottom of the separator 8, a cleaning pipe 10 is fixedly connected to the bottom of the air inlet pipe 1, the one end of clearance pipe 10 and the opposite side fixed connection of separator 8, and the bottom of clearance pipe 10 and the bottom of conveyer pipe 12 are on a straight line, can be at the in-process of latent arm-type buggy sampling device sample, make sampling tube 15 through aspirator 4, separator 8 and sampling bottle 9 produce the negative pressure, make the buggy flow in separator 8 through sampling tube 15, carry out solid-gas separation to the buggy, reach the purpose of taking a sample to the buggy, through clearance pipe 10, be convenient for clear up the inside of sampling tube 15 and separator 8 after the sample is ended, avoided the buggy to remain the problem that the pipeline is inside not convenient for next sample, the work efficiency of device has been improved.

Referring to fig. 1, 2 and 3, in order to facilitate sampling of pulverized coal, a second valve 11 is fixedly sleeved outside a cleaning pipe 10, a conveying pipe 12 is movably connected to one side of a separator 8, a third valve 13 is fixedly sleeved outside the conveying pipe 12, a housing 14 is movably sleeved outside the conveying pipe 12, the housing 14 is rectangular, and a sampling port is formed in the back of the housing 14, so that the sampling pipe 15 can rotate along with the rotation of the conveying pipe 12 by rotating a rotating handle 16 in the sampling process of the hidden arm type pulverized coal sampling device, the position of the sampling pipe 15 changes, and the pulverized coal sampling is facilitated.

Referring to fig. 1, 2 and 3, in order to enhance the stability of the movable plate 171 and prevent the pulverized coal from entering the housing 14, the closing mechanism 17 may be connected to the inside of the housing 14, the closing mechanism 17 includes the movable plate 171, the outside of the movable plate 171 is movably connected to the bottom of the housing 14, the outside of the bottom end of the movable plate 171 is movably connected to a fixed block 172, the bottom of the movable plate 171 is fixedly connected to a fixed plate 173, the top of the fixed plate 173 is fixedly connected to a tension spring 174, the bottom of the conveying pipe 12 is fixedly connected to the sampling tube 15, the number of the fixed blocks 172 is two, and the bottoms of the two fixed blocks 172 are fixedly connected to the bottom of the inner cavity of the housing 14, during sampling by the hidden arm type pulverized coal sampling device, the movable plate 171 is changed along with the position change of the fixed plate 173, so as to expose the sampling port, and facilitate rotary sampling of the sampling tube 15, when the movable plate 171 is closed, the problem that the pulverized coal falls into the inside of the shell 14 to cause the pulverized coal inside the shell 14 to adhere to is effectively avoided, the two fixed blocks 172 are convenient for fixing the movable plate 171, and the stability of the movable plate 171 is enhanced.

Referring to fig. 1, 2 and 3, in order to fix the unfolded sampling tube 15, a rotating handle 16 is fixedly connected to the outside of one end of the conveying pipe 12, the top of a tension spring 174 is fixedly connected to the bottom of the casing 14, and two ends of the tension spring 174 are fixedly connected to the bottom of the casing 14 and the top of a fixing plate 173, respectively, so that the fixing plate 173 is released by pulling the fixing plate 173 during sampling of the hidden-arm coal powder sampling device, and the fixing plate 173 returns to its position under the pulling force of the tension spring 174 during sampling of the sampling tube 15, thereby facilitating the fixing of the unfolded sampling tube 15.

The working principle and the using process of the utility model are as follows: firstly, the fixed plate 173 is pulled, so that the movable plate 171 changes along with the position change of the fixed plate 173, a sampling port is exposed, the sampling tube 15 is convenient to rotate and sample, when the movable plate 171 is closed, the problem that pulverized coal falls into the shell 14 to cause the attachment of the pulverized coal in the shell 14 is effectively avoided, the two fixed blocks 172 are convenient to fix the movable plate 171, the stability of the movable plate 171 is enhanced, by pulling the fixed plate 173, in the sampling process of the sampling tube 15, the fixed plate 173 is loosened, the fixed plate 173 returns along with the tension action of the tension spring 174, the unfolded sampling tube 15 is convenient to fix, the compressed air control valve 2 is started at the same time, the compressed air pressure regulating valve 3 is regulated, the sampling tube 15, the separator 8 and the sampling bottle 9 generate negative pressure through the air ejector 4, and the pulverized coal flows into the separator 8 through the sampling tube 15, carry out solid-gas separation to the buggy, reach the purpose of taking a sample to the buggy, through clearance pipe 10, be convenient for clear up the inside of sampling tube 15 and separator 8 after the sample, avoided the buggy to remain and be not convenient for the problem of taking a sample next time in pipeline inside, improved the work efficiency of device.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hidden arm-type buggy sampling device, includes into trachea (1), its characterized in that: the device comprises an air inlet pipe (1), a compressed air control valve (2) is fixedly sleeved outside one end of the air inlet pipe (1), a compressed air pressure regulating valve (3) is arranged on one side of the compressed air control valve (2), the compressed air pressure regulating valve (3) is fixedly sleeved outside the air inlet pipe (1), an air extractor (4) is fixedly connected to one side of the compressed air pressure regulating valve (3), a purging pipe (5) is fixedly connected to one side of the air extractor (4), a purging valve (6) is fixedly sleeved outside the purging pipe (5), a negative pressure pipe (7) is fixedly connected to the bottom of the air extractor (4), a first valve (18) is fixedly sleeved outside the negative pressure pipe (7), a separator (8) is fixedly connected to the bottom of the negative pressure pipe (7), a sampling bottle (9) is fixedly connected to the bottom of the separator (8), a cleaning and managing pipe (10) is fixedly connected to the bottom of the air inlet pipe (1), no. two valves (11) have been cup jointed to the external fixation of clearance pipe (10), one side swing joint of separator (8) has conveyer pipe (12), No. three valves (13) have been cup jointed to the external fixation of conveyer pipe (12), casing (14) have been cup jointed to conveyer pipe (12) outside activity, the internal connection of casing (14) has closing mechanism (17), the bottom fixedly connected with sampling tube (15) of conveyer pipe (12), the outside fixedly connected with rotation handle (16) of conveyer pipe (12) one end.

2. The hidden arm type coal dust sampling device of claim 1, which is characterized in that: closing mechanism (17) are including fly leaf (171), the outside of fly leaf (171) and the bottom swing joint of casing (14), the outside swing joint of fly leaf (171) bottom has fixed block (172), the bottom fixedly connected with fixed plate (173) of fly leaf (171), the top fixedly connected with extension spring (174) of fixed plate (173).

3. The hidden arm type coal dust sampling device of claim 2, which is characterized in that: the number of the fixed blocks (172) is two, and the bottoms of the two fixed blocks (172) are fixedly connected with the bottom of the inner cavity of the shell (14).

4. The hidden arm type coal dust sampling device of claim 2, which is characterized in that: the top of the tension spring (174) is fixedly connected with the bottom of the shell (14), and two ends of the tension spring (174) are respectively fixedly connected with the bottom of the shell (14) and the top of the fixing plate (173).

5. The hidden arm type coal dust sampling device of claim 1, which is characterized in that: one end of the cleaning pipe (10) is fixedly connected with the other side of the separator (8), and the bottom of the cleaning pipe (10) and the bottom of the conveying pipe (12) are on the same straight line.

6. The hidden arm type coal dust sampling device of claim 1, which is characterized in that: the shape of the shell (14) is rectangular, and a sampling port is formed in the back of the shell (14).