CN216125829U

CN216125829U - Coal powder injection tank pressure relief mechanism for powder making process

Info

Publication number: CN216125829U
Application number: CN202121482277.4U
Authority: CN
Inventors: 刘兵
Original assignee: Fujian Dadonghai Industrial Group Co Ltd
Current assignee: Fujian Dadonghai Industrial Group Co Ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-03-25
Anticipated expiration: 2031-06-30

Abstract

The utility model discloses a coal powder injection tank pressure relief mechanism for a powder making process, which comprises a grinding mechanism, a supporting plate, a discharge hopper and a pressure gauge, wherein the grinding mechanism is communicated with a coal powder injection collecting box through a first conveying pipe, the coal powder injection collecting box is communicated with an air conveying chamber through a filter bag, a first exhaust pipe penetrates through the right side of the air conveying chamber, a first pressure relief valve and a first exhaust fan are fixed in the first exhaust pipe, the first pressure relief valve is positioned on the left side of the first exhaust fan, a control box is fixed on the front side of the grinding mechanism, a nitrogen injection pressure relief assembly is fixed on the supporting plate in a threaded manner, and the lower side of the discharge hopper is communicated with a second conveying pipe. This buggy jetting jar pressure release mechanism for powder process is provided with nitrogen gas recovery subassembly, and nitrogen gas after the use draws in getting into nitrogen gas extractor through first gas-supply pipe, and the nitrogen gas storage after will retrieving at last is in nitrogen gas pressure boost jar, just so can realize nitrogen gas secondary recycle, effective reduction in production cost.

Description

Coal powder injection tank pressure relief mechanism for powder making process

Technical Field

The utility model relates to the technical field of coal, in particular to a coal powder injection tank pressure relief mechanism for a powder preparation process.

Background

Coal is a black solid mineral formed by plants under the action of high temperature and high pressure, is mainly used as fuel and chemical raw materials, and can produce coal tar and ammonia water when being used for coking. Coke is an important raw material for iron making. Coal tar can extract a variety of industrially important compounds. Many people consider gas to be produced from coal, but the fact is that gas is produced by refining naphtha from crude oil. Coal can also be directly vaporized to produce water gas (a mixture of carbon monoxide and hydrogen) which is directly used as a clean fuel.

Need collect the storage to it after current buggy processing, the effect is relatively poor in current buggy storage to current buggy jetting jar pressure relief device directly discharges the nitrogen gas after the use, does not retrieve it, causes the nitrogen gas low-usage, and manufacturing cost is on the high side.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a coal powder injection tank pressure relief mechanism for a powder making process, which aims to solve the problems that the existing coal powder provided in the background art needs to be collected and stored after being processed, the existing coal powder is poor in effect when being stored, and the existing coal powder injection tank pressure relief device directly discharges used nitrogen without recycling the nitrogen, so that the nitrogen utilization rate is low and the production cost is high.

In order to achieve the purpose, the utility model provides the following technical scheme: a coal powder injection tank pressure relief mechanism for a powder making process, which comprises a grinding mechanism, a supporting plate, a discharge hopper and a pressure gauge,

the grinding mechanism is communicated with the pulverized coal injection collecting box through a first conveying pipe, the pulverized coal injection collecting box is communicated with the gas transmission chamber through a filter bag, meanwhile, a first exhaust pipe penetrates through the right side of the gas transmission chamber, a first pressure release valve and a first exhaust fan are fixed in the first exhaust pipe, the first pressure release valve is located on the left side of the first exhaust fan, and a control box is fixed on the front side of the grinding mechanism;

the nitrogen injection decompression assembly is fixed on the supporting plate in a threaded manner and communicated with the nitrogen recovery assembly, and the nitrogen recovery assembly is fixed on the upper side of the gas transmission chamber;

the discharge hopper, the discharge hopper downside is linked together with the second conveying pipeline, and second conveying pipeline one end is linked together with booster mechanism, and the second conveying pipeline other end is linked together through feed inlet and storage subassembly simultaneously.

Preferably, the filter bags are distributed in the pulverized coal injection collection box at equal intervals.

Preferably, nitrogen gas jetting pressure release subassembly includes nitrogen gas pressure boost jar, second relief valve, pressure release pipe and first pressure release mouth, nitrogen gas pressure boost jar right side is linked together with the pressure release pipe, and is fixed with the second relief valve on the inside left side of pressure release pipe, and the pressure release pipe downside runs through simultaneously has first pressure release mouth.

Preferably, the nitrogen recovery assembly comprises a first gas pipe, a third pressure release valve, a second exhaust fan, a nitrogen extraction machine and a second gas pipe, the third pressure release valve and the second exhaust fan are fixed in the first gas pipe, the third pressure release valve is located on the lower side of the second exhaust fan, the first gas pipe is communicated with the nitrogen extraction machine, and the nitrogen extraction machine is communicated with the nitrogen pressurization tank through the second gas pipe.

Preferably, storage component includes storage jar, discharge gate, second pressure release mouth, dust filter and second blast pipe, the storage jar downside runs through there is the discharge gate, and the storage jar upside is linked together through second pressure release mouth and dust filter, and the dust filter right side runs through there is the second blast pipe simultaneously.

Preferably, the pressure gauge is fixed on the rear side of the pulverized coal injection collecting box.

Compared with the prior art, the utility model has the beneficial effects that: the coal powder injection tank pressure relief mechanism for the powder making process,

(1) the nitrogen recovery assembly is arranged, the used nitrogen enters the nitrogen extractor through the first gas pipe for extraction, and finally the recovered nitrogen is stored in the nitrogen pressurization tank, so that secondary recovery and utilization of the nitrogen can be realized, and the production cost is effectively reduced;

(2) be provided with storage assembly, with the unified storage of buggy in the storage jar to when saving the buggy, the effect of pressure release can be played to the second pressure release mouth, and the dust that spills over during the pressure release can be handled it under dust filter's supplementary action, guarantees that the staff is healthy, improves the operational environment quality.

Drawings

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

FIG. 2 is a rear view of the present invention;

FIG. 3 is a schematic diagram of the distribution structure of the nitrogen recovery assembly on the gas transmission chamber.

In the figure: 1. grinding mechanism, 2, first conveying pipeline, 3, buggy jetting collecting box, 4, cross the filter bag, 5, the gas transmission room, 6, first blast pipe, 7, first relief valve, 8, first exhaust fan, 9, the backup pad, 10, nitrogen gas jetting pressure release subassembly, 1001, nitrogen gas booster tank, 1002, the second relief valve, 1003, the pressure release pipe, 1004, first pressure release mouth, 11, nitrogen gas recovery subassembly, 1101, first gas-supply pipe, 1102, the third relief valve, 1103, the second exhaust fan, 1104, the nitrogen gas extractor, 1105, the second gas-supply pipe, 12, the discharge hopper, 13, the second conveying pipeline, 14, pressure boost mechanism, 15, the feed inlet, 16, storage module, 1601, storage jar, 1602, the discharge gate, 1603, the second pressure release mouth, 1604, the dust filter, 1605, the second blast pipe, 17, the manometer, 18, the control box.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a coal powder injection tank decompression mechanism for a powder making process is shown in figures 1 and 3, a grinding mechanism 1 is communicated with a coal powder injection collecting box 3 through a first conveying pipe 2, the coal powder injection collecting box 3 is communicated with a gas conveying chamber 5 through a filter bag 4, meanwhile, the right side of the gas transmission chamber 5 is penetrated with a first exhaust pipe 6, the filter bags 4 are distributed in the pulverized coal injection collection box 3 at equal intervals, the pulverized coal ground under the auxiliary action of the grinding mechanism 1 enters the pulverized coal injection collection box 3, the pulverized coal can be absorbed under the auxiliary action of the filter bag 4, the filter bag 4 is provided with four groups of twenty-four in total, therefore, the coal dust can be quickly collected and the practicability of the coal dust is improved, a first pressure release valve 7 and a first exhaust fan 8 are fixed in the first exhaust pipe 6, and the first pressure relief valve 7 is positioned on the left side of the first exhaust fan 8, and the front side of the grinding mechanism 1 is fixed with a control box 18.

As shown in fig. 1, fig. 2 and fig. 3, threaded fixing has nitrogen gas jetting pressure relief subassembly 10 on the backup pad 9, and nitrogen gas jetting pressure relief subassembly 10 is linked together with nitrogen gas recovery subassembly 11, nitrogen gas recovery subassembly 11 is fixed at the gas transmission room 5 upside simultaneously, nitrogen gas jetting pressure relief subassembly 10 includes nitrogen gas pressure boost tank 1001, second relief valve 1002, pressure release pipe 1003 and first pressure relief mouth 1004, nitrogen gas pressure boost tank 1001 right side is linked together with pressure release pipe 1003, and the inside left side of pressure release pipe 1003 is fixed with second relief valve 1002, first pressure relief mouth 1004 has been run through to pressure release pipe 1003 downside simultaneously. The nitrogen recovery assembly 11 comprises a first gas pipe 1101, a third pressure relief valve 1102, a second exhaust fan 1103, a nitrogen extraction machine 1104 and a second gas pipe 1105, the third pressure relief valve 1102 and the second exhaust fan 1103 are fixed in the first gas pipe 1101, the third pressure relief valve 1102 is positioned on the lower side of the second exhaust fan 1103, meanwhile, the first gas pipe 1101 is communicated with the nitrogen extraction machine 1104, the nitrogen extraction machine 1104 is communicated with the nitrogen pressurization tank 1001 through the second gas pipe 1105, a pressure gauge 17 is fixed on the rear side of the pulverized coal injection collection box 3, when the pressure gauge 17 detects excessive internal resistance, the second pressure relief valve 1002 and the third pressure relief valve 1102 are opened, the first pressure relief valve 7 is closed, nitrogen in the nitrogen addition tank 1001 can be used for injecting and cleaning the filter bag 4 through a first pressure relief port 1004 on the lower side of the pressure relief pipe 1003, normal operation of pulverized coal collection is ensured, and the used nitrogen can quickly enter the nitrogen extraction machine 1104 through the first pressure relief pipe 1101 under the auxiliary action of the second exhaust fan 1103 to be extracted and processed Finally, the nitrogen gas can be stored in the nitrogen gas increasing tank 1001 through the second gas conveying pipe 1105, so that the nitrogen gas can be recycled by operation, resource waste is avoided, and the production cost is reduced.

The lower side of the discharge hopper 12 is communicated with a second conveying pipeline 13, one end of the second conveying pipeline 13 is communicated with a supercharging mechanism 14, the other end of the second conveying pipeline 13 is communicated with a storage component 16 through a feed inlet 15, the storage component 16 comprises a storage tank 1601, a discharge port 1602, a second pressure relief opening 1603, a dust filter 1604 and a second exhaust pipe 1605, the discharge port 1602 penetrates through the lower side of the storage tank 1601, the upper side of the storage tank 1601 is communicated with the dust filter 1604 through the second pressure relief opening 1603, the second exhaust pipe 1605 penetrates through the right side of the dust filter 1604, under the auxiliary action of the supercharging mechanism 14, coal dust is uniformly stored in the storage tank 1601 through the second conveying pipeline 13, the second pressure relief opening 1603 on the upper side of the storage tank 1601 can play a role of pressure relief, part of the pressure relief enters the inside of the dust filter 1604, the dust filter 1604 processes and collects the coal dust in the air, the operation is convenient for the later stage to recycle the recycled coal dust, and the coal dust can be saved.

The working principle is as follows: when the pulverized coal injection tank pressure relief mechanism for the powder making process is used, an external power supply is switched on, the grinding mechanism 1 is started under the auxiliary action of the control box 18, coal resources are crushed and ground under the auxiliary action of the grinding mechanism 1, the ground pulverized coal enters the pulverized coal injection collecting box 3 through the first conveying pipe 2, the filter bag 4 adsorbs the pulverized coal under the auxiliary action of the first exhaust fan 8 in the first exhaust pipe 6, air is exhausted through the air conveying chamber 5 and the first exhaust pipe 6, when the internal resistance is detected to be overlarge by the pressure gauge 17, the second pressure release valve 1002 and the third pressure release valve 1102 are opened, the first pressure release valve 7 is closed, nitrogen performs injection tank pressure relief treatment on the filter bag 4 through the pressure release pipe 1003 and the first pressure release port 1004 under the auxiliary action of the nitrogen increasing tank 1001, finally the pulverized coal enters the second pressure boost pipe 13 through the discharge hopper 12, the pulverized coal is stored in the storage tank 1601 through the second conveying pipe 13 and the feed port 15 under the auxiliary action of the nitrogen increasing mechanism 14, can carry out the pressure release to the buggy under the auxiliary action of second pressure release mouth 1603, the dust that produces during the pressure release just can be handled under the auxiliary action of dust filter 1604, air discharges through second blast pipe 1605 at last, ensure environmental quality, buggy accessible discharge gate 1602 discharges, under the auxiliary action of second exhaust fan 1103 in first gas-supply pipe 1101, nitrogen gas after using in buggy jetting collecting box 3 gets into inside nitrogen gas extractor 1104 through first gas-supply pipe 1101, handle under the auxiliary action of nitrogen gas extractor 1104, nitrogen gas after the processing passes through second gas-supply pipe 1105 and stores in nitrogen gas increase jar 1001 on backup pad 9 and carries out secondary recycle, reduction in production cost, increase the practicality, the content that does not make detailed description in this description belongs to the prior art that professional skilled person in the art knows.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for simplicity of description only and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operative in a particular orientation, and are not to be considered limiting of the claimed invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a buggy jetting jar pressure release mechanism for powder making technology, includes grinds mechanism (1), backup pad (9), discharge hopper (12) and manometer (17), its characterized in that:

the coal powder spraying and blowing device comprises a grinding mechanism (1), wherein the grinding mechanism (1) is communicated with a coal powder spraying and blowing collecting box (3) through a first conveying pipeline (2), the coal powder spraying and blowing collecting box (3) is communicated with a gas transmission chamber (5) through a filter bag (4), a first exhaust pipe (6) penetrates through the right side of the gas transmission chamber (5), a first pressure release valve (7) and a first exhaust fan (8) are fixed in the first exhaust pipe (6), the first pressure release valve (7) is located on the left side of the first exhaust fan (8), and a control box (18) is fixed on the front side of the grinding mechanism (1);

the nitrogen injection decompression component (10) is fixed on the supporting plate (9) through threads, the nitrogen injection decompression component (10) is communicated with the nitrogen recovery component (11), and the nitrogen recovery component (11) is fixed on the upper side of the gas transmission chamber (5);

discharge hopper (12), discharge hopper (12) downside is linked together with second conveying pipeline (13), and second conveying pipeline (13) one end is linked together with booster mechanism (14), and second conveying pipeline (13) other end is linked together through feed inlet (15) and storage component (16) simultaneously.

2. The pulverized coal injection tank pressure relief mechanism for the pulverizing process according to claim 1, characterized in that: the filter bags (4) are distributed in the pulverized coal injection collection box (3) at equal intervals.

3. The pulverized coal injection tank pressure relief mechanism for the pulverizing process according to claim 1, characterized in that: nitrogen gas jetting pressure release subassembly (10) include nitrogen gas pressure boost jar (1001), second relief valve (1002), pressure release pipe (1003) and first pressure release mouth (1004), nitrogen gas pressure boost jar (1001) right side is linked together with pressure release pipe (1003), and is fixed with second relief valve (1002) on the inside left side of pressure release pipe (1003), and pressure release pipe (1003) downside runs through simultaneously has first pressure release mouth (1004).

4. The pulverized coal injection tank pressure relief mechanism for the pulverizing process according to claim 1, characterized in that: the nitrogen recovery assembly (11) comprises a first gas pipe (1101), a third pressure relief valve (1102), a second exhaust fan (1103), a nitrogen extraction machine (1104) and a second gas pipe (1105), wherein the third pressure relief valve (1102) and the second exhaust fan (1103) are fixed in the first gas pipe (1101), the third pressure relief valve (1102) is located on the lower side of the second exhaust fan (1103), the first gas pipe (1101) is communicated with the nitrogen extraction machine (1104) simultaneously, and the nitrogen extraction machine (1104) is communicated with the nitrogen booster tank (1001) through the second gas pipe (1105).

5. The pulverized coal injection tank pressure relief mechanism for the pulverizing process according to claim 1, characterized in that: storage component (16) are including storage jar (1601), discharge gate (1602), second pressure release mouth (1603), dust filter (1604) and second blast pipe (1605), storage jar (1601) downside is run through there is discharge gate (1602), and storage jar (1601) upside is linked together through second pressure release mouth (1603) and dust filter (1604), and dust filter (1604) right side is run through there is second blast pipe (1605) simultaneously.

6. The pulverized coal injection tank pressure relief mechanism for the pulverizing process according to claim 1, characterized in that: and the pressure gauge (17) is fixed at the rear side of the pulverized coal injection collecting box (3).