CN212893940U

CN212893940U - Calcium carbide furnace monitoring device for calcium carbide production

Info

Publication number: CN212893940U
Application number: CN202021417203.8U
Authority: CN
Inventors: 付丙峰; 司琳琳
Original assignee: Liaocheng Yanju New Materials Co ltd
Current assignee: Liaocheng Yanju New Materials Co ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-04-06
Anticipated expiration: 2030-07-17

Abstract

The utility model relates to a carbide stove supervisory equipment technical field, specifically speaking relates to a carbide stove monitoring device for carbide production. The pipeline cleaning device comprises a pipeline main body, a furnace pipeline is arranged on the pipeline main body, a dust cover is arranged at the left end of the furnace pipeline, a first-stage filter screen is fixedly arranged at the opening of the left end of the dust cover, a fixing flange is fixedly connected to the right end of the furnace pipeline, a furnace external pipeline is arranged at the right end of the fixing flange, an air inlet pipeline is arranged at the bottom end of the furnace external pipeline, a hemispherical sprayer is arranged in a rotating shaft, recoil force generated by spraying high-pressure air through the hemispherical sprayer is generated to the hemispherical sprayer when backflushing is cleaned, the rotating shaft is made to rotate on a bearing, rotation of a first-stage cleaning brush and a second-stage cleaning brush is achieved through rotation of the rotating shaft, and therefore deposited impurities on the first-stage filter screen and the second-stage filter screen are cleaned.

Description

Calcium carbide furnace monitoring device for calcium carbide production

Technical Field

The utility model relates to a carbide stove supervisory equipment technical field, specifically speaking relates to a carbide stove monitoring device for carbide production.

Background

In the production process of the closed calcium carbide furnace, H2 is easily generated due to moisture, water leakage and the like of coke (or semi coke), and H2 easily causes explosion of the calcium carbide furnace under the condition of slight negative pressure of the calcium carbide furnace, so that serious safety accidents are caused. Meanwhile, the reaction of coke and limestone causes high-concentration CO emission, and certain CO2 and CH4 contents are generated. The direct combustion of furnace gas or evacuation will cause huge waste and environmental pollution, and novel calcium carbide furnace gas generally can carry out comprehensive utilization, and the common is used for burning lime, and few enterprises are used for generating electricity. Therefore, in order to safely produce the calcium carbide furnace and effectively utilize the furnace gas, the furnace gas needs to be subjected to online measurement of CO, H2, CH4, CO2, O2 and the calorific value of the furnace gas.

The calcium carbide furnace monitoring device is a safety monitoring interlocking device specially designed and manufactured for calcium carbide furnace operation production, and comprises a sampling probe assembly, a preprocessing unit, an analysis unit, a control unit and an instrument calibration unit.

Furnace gas sampling of carbide stove, the system passes through the sampling pump with the carbide stove in gas from the sampling probe transport analysis appearance promptly, because the carbide stove has certain dust content, long-term operation, the sampling probe takes place blocking phenomenon often, lead to the unable actual flue gas of measuring of instrument, thereby cause the measured data distortion, traditional method, can only artifically dismantle the back from the flue wall with the sampling probe regularly, inspect its jam condition, this work is repeated labour, the problem that wastes time and energy, in view of this, we provide a carbide stove monitoring device for carbide production.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a carbide stove monitoring device for carbide production to solve the problem that proposes in the above-mentioned background art.

In order to realize the aim, the utility model provides a calcium carbide furnace monitoring device for calcium carbide production, which comprises a pipeline main body, wherein a furnace pipeline is arranged on the pipeline main body, a dust cover is arranged at the left end of the furnace pipeline, a first-stage filter screen is fixedly arranged at the opening part at the left end of the dust cover, a second-stage filter screen is fixedly arranged at the opening part at the right end of the dust cover, bearings are embedded at the centers of the left side surfaces of the first-stage filter screen and the second-stage filter screen, a rotating shaft is fixedly arranged in the bearings, a first-stage cleaning brush and a second-stage cleaning brush are fixedly arranged on the side wall of the rotating shaft, a hemispherical spray head is fixedly connected at the center of the side wall of the rotating shaft, a plurality of shunt tubes are fixedly connected on the side wall at the right end of the rotating shaft, the right end of the furnace pipeline is fixedly connected with a fixed flange, the right end of the fixed flange is provided with a furnace external pipeline, and the bottom end of the furnace external pipeline is provided with an air inlet pipeline.

As a further improvement of the technical scheme, the fixing plug and the center of the surface of the left end of the dust removal pipeline are both provided with mounting holes, sampling channels are fixedly mounted in the mounting holes, and sampling probes are arranged at the left ends of the sampling channels.

As a further improvement of the technical scheme, the second-stage filter screen and the fixed plug are provided with a sampling cavity therebetween, and the sampling probe and the rotating shaft extend into the sampling cavity.

As a further improvement of the technical scheme, the rotating shaft and the dust removal pipeline are both of a hollow structure, the left side and the right side of the rotating shaft are both of a closed structure, the left side of the dust removal pipeline is communicated with the sampling cavity through the gas conveying pipe, and the right side of the dust removal pipeline is of a closed structure.

As a further improvement of the technical scheme, the fixing plug is provided with a plurality of direct blowing nozzles, a plurality of shunt tubes and a plurality of direct blowing nozzles are communicated with the gas conveying pipe, and the shunt tubes are communicated with the hemispherical spray head through the rotating shaft.

As a further improvement of the technical scheme, the front end surface of the hemispherical spray head is provided with a plurality of nozzles, and the hemispherical spray head is arranged along the circumference of the outer wall of the rotating shaft.

As a further improvement of the technical scheme, the air inlet pipeline is communicated with the dust removal pipeline, and the air delivery pipe is communicated with the dust removal pipeline.

As a further improvement of the technical scheme, the first-stage cleaning brush is arranged on the left side of the first-stage filter screen, and the second-stage cleaning brush is arranged on the left side of the second-stage filter screen.

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

1. in this carbide furnace monitoring device for carbide production, set up the blow-through nozzle, through the high-pressure gas that the blow-through nozzle erupted, the left sedimentary impurity of one-level filter screen and second grade filter screen drops because high-pressure gas's injection effect gradually because impurity to the realization is to the recoil clearance of one-level filter screen and second grade filter screen.

2. Among this carbide furnace monitoring device for carbide production, be provided with the hemisphere shower nozzle in the pivot, when the recoil clearance, high-pressure gas sprays the recoil that produces by the hemisphere shower nozzle, produce the counter force to the hemisphere shower nozzle, make the pivot rotate on the bearing, rotation through the pivot, realize the rotation of one-level cleaning brush and second grade cleaning brush, thereby the realization is cleaned the sedimentary impurity on one-level filter screen and the second grade filter screen, when having solved the sampling probe and blockking up, need dismantle the sampling probe from the flue wall and carry out abluent problem.

3. Among this carbide production is with carbide stove monitoring device, through the dust cover that sets up, realize the isolation of certain degree to the dust in the carbide stove to realize treating the dual filtration of sampling gas in the carbide stove through one-level filter screen and second grade filter screen, in order to prevent the jam of sampling probe, alleviated the long-term operation of sampling probe in the carbide stove to a certain extent, take place blocking phenomenon's problem often.

Drawings

FIG. 1 is a schematic structural view of a main body of a pipe according to embodiment 1;

FIG. 2 is a schematic view of the internal structure of a piping body according to embodiment 1;

FIG. 3 is a partial sectional view schematically showing the structure of embodiment 1;

FIG. 4 is a schematic view showing the connection of the internal structure of embodiment 1;

FIG. 5 is a schematic structural view of a dust cover according to embodiment 1;

fig. 6 is a schematic view of a connection structure of the dust removal duct and the air intake duct in embodiment 1.

The various reference numbers in the figures mean:

1. a pipe body;

2. a dust cover; 201. a primary cleaning brush; 202. a bearing; 203. a first-stage filter screen; 204. a second-stage filter screen; 205. a secondary cleaning brush;

3. a furnace pipeline; 301. an external furnace conduit; 302. a fixed flange;

4. a sampling pipe; 401. sampling a probe;

5. a dust removal pipeline; 501. a gas delivery pipe; 5011. a direct blow nozzle; 5012. a shunt tube; 502. a sampling cavity; 503. a rotating shaft; 504. a hemispherical nozzle; 505. a nozzle; 506. an air intake duct; 507. and fixing the plug.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-6, the utility model provides a calcium carbide furnace monitoring device for calcium carbide production, which comprises a pipeline main body 1, a furnace pipeline 3 is arranged on the pipeline main body 1, a dust cover 2 is arranged at the left end of the furnace pipeline 3, a first-stage filter screen 203 is fixedly arranged at the left end opening of the dust cover 2, a second-stage filter screen 204 is fixedly arranged at the right end opening of the dust cover 2, bearings 202 are embedded at the left side surface centers of the first-stage filter screen 203 and the second-stage filter screen 204, a rotating shaft 503 is fixedly arranged in the bearings 202, a first-stage cleaning brush 201 and a second-stage cleaning brush 205 are fixedly arranged on the side wall of the rotating shaft 503, a hemispherical spray head 504 is fixedly connected at the center of the side wall of the rotating shaft 503, a plurality of shunt tubes 5012 are fixedly connected on the side wall at the right end of the rotating shaft 503, one end of the plurality, the right end of the furnace pipeline 3 is fixedly connected with a fixed flange 302, the right end of the fixed flange 302 is provided with a furnace external pipeline 301, and the bottom end of the furnace external pipeline 301 is provided with an air inlet pipeline 506.

In this embodiment, the mounting hole has all been seted up to fixed stopper 507 and dust removal pipeline 5's left end surface center department, and fixed mounting has sampling channel 4 in the mounting hole, and sampling channel 4's left end is provided with sampling probe 401, fixes sampling channel 4 and sampling probe 401 through fixed stopper 507 and dust removal pipeline 5, ensures the stability of sampling.

Further, a sampling cavity 502 is arranged between the secondary filter screen 204 and the fixed plug 507, the sampling probe 401 and the rotating shaft 503 both extend into the sampling cavity 502, and the sampling probe 401 samples gas in the sampling cavity 502.

Specifically, pivot 503 and dust removal pipeline 5 are hollow structure, and the pivot 503 left and right sides is enclosed construction, and dust removal pipeline 5 left side is through gas-supply pipe 501 and sampling chamber 502 intercommunication, and dust removal pipeline 5 right side is enclosed construction, and seal structure has ensured high-pressure gas's normal transport.

In addition, the fixed plug 507 is provided with a plurality of direct blowing nozzles 5011, a plurality of shunt tubes 5012 and a plurality of direct blowing nozzles 5011 are communicated with the gas transmission pipe 501, and a plurality of shunt tubes 5012 are communicated with the hemispherical spray heads 504 through the rotating shaft 503.

Specifically, a nozzle 505 is arranged on the front end surface of the hemispherical spray head 504, the hemispherical spray head 504 is provided with a plurality of nozzles along the circumference of the outer wall of the rotating shaft 503, the nozzles 505 on the hemispherical spray head 504 generate a reverse force on the hemispherical spray head 504 through a recoil force generated by high-pressure gas injection, so that the rotating shaft 503 rotates on the bearing 202, and the rotation of the primary cleaning brush 201 and the secondary cleaning brush 205 is realized through the rotation of the rotating shaft 503, thereby realizing the cleaning of impurities on the primary filter screen 203 and the secondary filter screen 204.

In addition, the air inlet pipe 506 is communicated with the dust removal pipe 5, the air delivery pipe 501 is communicated with the dust removal pipe 5, and air delivery to the dust removal pipe 5 and the air delivery pipe 501 is realized through the air inlet pipe 506.

Further, one-level cleaning brush 201 sets up the left side at one-level filter screen 203, and second grade cleaning brush 205 sets up the left side at second grade filter screen 204, realizes clearing up the left side of one-level filter screen 203 through one-level cleaning brush 201, clears up the left side of second grade filter screen 204 by second grade cleaning brush 205.

Specifically, the fixed plugs 507 and the dust removal pipes 5 are fixedly connected with the furnace inner pipe 3 and the furnace outer pipe 301, so that the stability of the dust removal pipes 5 and the fixed plugs 507 is guaranteed.

In addition, one end of the inlet pipe 506 is connected to a high pressure blowback fan.

High-pressure blowback fan sends into high-pressure gas through high pressure positive blower to admission line 506 promptly, and high-pressure gas is to one-level filter screen 203 and the reverse blowing of second grade filter screen 204, clears away the dust of adhesion on one-level filter screen 203 and the second grade filter screen 204, and then plays the effect of dust removal, and high pressure positive blower can adopt MD250 high pressure roots blower, and high pressure roots blower's working process is: the two impellers rotate in opposite directions, and because the gaps between the impellers and the wall plates are extremely small, the air inlet forms a vacuum state, air enters the air inlet cavity under the action of atmospheric pressure, then two blades of each impeller, the wall plates and the shell form a sealed cavity, the air in the air inlet cavity is continuously brought to the air outlet cavity by the sealed cavity formed by the two blades in the rotating process of the impellers, and because the impellers in the air outlet cavity are meshed with each other, the air between the two blades is extruded out, so that the air continuously operates, and the air is continuously conveyed to the air outlet from the air inlet.

The utility model discloses a when carbide stove monitoring device for carbide production uses, through mounting flange 302, with in stove pipeline 3 fixed mounting on the carbide stove inner wall, when needing to clear up first-level filter screen 203 and second grade filter screen 204, connect back-flushing fan and admission line 506, for the power supply of back-flushing fan, back-flushing fan operation, back-flushing gas passes through admission line 506 and gets into in dust removal pipeline 5, partly gaseous passes sampling chamber 502 through blow-down nozzle 5011 and directly carries out the back-flushing to second grade filter screen 204 and first-level filter screen 203, through the gaseous blowback effect, the impurity that adheres to the left of second grade filter screen 204 and first-level filter screen 203, because the jet action of high-pressure gas, the impurity drops off gradually, the back-flushing clearance to second-level filter screen 204 and first-level filter screen 203 has been realized, in order to prevent that second grade filter screen 204 and first-level filter screen 203 from blockking up, and simultaneously, the cleaning agent is sent into an inner cavity of the rotating shaft 503 and is sprayed out from a nozzle 505 on the hemispherical spray head 504, and a reverse force is generated on the hemispherical spray head 504 through a recoil force generated by high-pressure gas spraying, so that the rotating shaft 503 rotates on the bearing 202, and the rotation of the first-stage cleaning brush 201 and the second-stage cleaning brush 205 is realized through the rotation of the rotating shaft 503, thereby realizing the cleaning of impurities on the first-stage filter screen 203 and the second-stage filter screen 204.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a carbide stove monitoring device for carbide production, includes pipeline main part (1), its characterized in that: the furnace is characterized in that a furnace pipeline (3) is arranged on the pipeline main body (1), a dust cover (2) is arranged at the left end of the furnace pipeline (3), a first-stage filter screen (203) is fixedly arranged at the opening of the left end of the dust cover (2), a second-stage filter screen (204) is fixedly arranged at the opening of the right end of the dust cover (2), a bearing (202) is embedded in the center of the left surface of the first-stage filter screen (203) and the center of the left surface of the second-stage filter screen (204), a rotating shaft (503) is fixedly arranged in the bearing (202), a first-stage cleaning brush (201) and a second-stage cleaning brush (205) are fixedly arranged on the side wall of the rotating shaft (503), a hemispherical sprayer (504) is fixedly connected to the center of the side wall of the rotating shaft (503), a plurality of shunt tubes (5012), the dust removal furnace is characterized in that an air conveying pipe (501) is fixedly connected to the right end of the fixing plug (507), a dust removal pipeline (5) is fixedly connected to the other end of the air conveying pipe (501), a fixing flange (302) is fixedly connected to the right end of the furnace pipeline (3), an outer furnace pipeline (301) is arranged at the right end of the fixing flange (302), and an air inlet pipeline (506) is arranged at the bottom end of the outer furnace pipeline (301).

2. The calcium carbide furnace monitoring device for calcium carbide production according to claim 1, wherein: the fixed stopper (507) with the left end surface center department of dust removal pipeline (5) has all seted up the mounting hole, fixed mounting has sampling passageway (4) in the mounting hole, the left end of sampling passageway (4) is provided with sampling probe (401).

3. The calcium carbide furnace monitoring device for calcium carbide production according to claim 2, wherein: the sampling probe is characterized in that a sampling cavity (502) is arranged between the secondary filter screen (204) and the fixed plug (507), and the sampling probe (401) and the rotating shaft (503) both extend into the sampling cavity (502).

4. The calcium carbide furnace monitoring device for calcium carbide production according to claim 3, wherein: the rotating shaft (503) and the dust removal pipeline (5) are both of a hollow structure, the left side and the right side of the rotating shaft (503) are both of a closed structure, the left side of the dust removal pipeline (5) is communicated with the sampling cavity (502) through the gas transmission pipe (501), and the right side of the dust removal pipeline (5) is of a closed structure.

5. The calcium carbide furnace monitoring device for calcium carbide production according to claim 1, wherein: fixed stopper (507) has seted up a plurality of blow-through nozzle (5011), and is a plurality of shunt tubes (5012) and a plurality of blow-through nozzle (5011) all with gas-supply pipe (501) intercommunication, a plurality of shunt tubes (5012) with hemisphere shower nozzle (504) pass through pivot (503) intercommunication.

6. The calcium carbide furnace monitoring device for calcium carbide production according to claim 1, wherein: the front end surface of the hemispherical spray head (504) is provided with a nozzle (505), and the hemispherical spray head (504) is provided with a plurality of nozzles along the circumference of the outer wall of the rotating shaft (503).

7. The calcium carbide furnace monitoring device for calcium carbide production according to claim 1, wherein: the air inlet pipeline (506) is communicated with the dust removal pipeline (5), and the air conveying pipe (501) is communicated with the dust removal pipeline (5).

8. The calcium carbide furnace monitoring device for calcium carbide production according to claim 1, wherein: the one-level cleaning brush (201) is arranged on the left side of the one-level filter screen (203), and the second-level cleaning brush (205) is arranged on the left side of the second-level filter screen (204).