CN208378914U - Coal injection tank under-voltage system protection device - Google Patents
Coal injection tank under-voltage system protection device Download PDFInfo
- Publication number
- CN208378914U CN208378914U CN201820637941.XU CN201820637941U CN208378914U CN 208378914 U CN208378914 U CN 208378914U CN 201820637941 U CN201820637941 U CN 201820637941U CN 208378914 U CN208378914 U CN 208378914U
- Authority
- CN
- China
- Prior art keywords
- cloth bag
- under
- pass line
- injection tank
- protection device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000003245 coal Substances 0.000 title claims abstract description 56
- 238000002347 injection Methods 0.000 title claims abstract description 47
- 239000007924 injection Substances 0.000 title claims abstract description 47
- 239000004744 fabric Substances 0.000 claims abstract description 74
- 238000003466 welding Methods 0.000 claims abstract description 18
- 239000000843 powder Substances 0.000 claims description 41
- 239000000463 material Substances 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 10
- 239000000565 sealant Substances 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical group [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 230000000694 effects Effects 0.000 description 11
- 239000007789 gas Substances 0.000 description 6
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 239000002817 coal dust Substances 0.000 description 4
- 239000007769 metal material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000009172 bursting Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 230000003203 everyday effect Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The utility model discloses a coal injection jar under-voltage system protection device, include: welding a tee joint, a bypass pipeline, a manual ball valve, a check valve, a cloth bag joint and a cloth bag; the welded tee joint is arranged on an inlet pipeline of the under-pressure fan, and the bypass pipeline is connected with a third interface of the welded tee joint; the manual ball valve and the check valve are sequentially arranged on the bypass pipeline; the tail end of the bypass pipeline is provided with the cloth bag joint; the cloth bag is fixed on the cloth bag joint. Through increase bypass protection device all the way on under-pressure fan inlet pipe, because increased the check valve, in case the not tight coal injection jar pressure release of coal injection jar of the under-pressure butterfly valve in coal injection jar top, under-pressure fan inlet pipe pressure rises, and the check valve will be opened automatically, and pressure can in time be discharged through check valve, sack, stops the sealed not tight accident that leaks gas and cause the under-pressure fan to burst of coal injection jar top under-pressure butterfly valve plate.
Description
Technical field
The utility model relates to Blast Furnace Iron-making Production Technology field more particularly to a kind of under-voltage system protection dresses of coal powder injection tank
It sets.
Background technique
Iron-making coal-injecting System Take is the vital task of coal injection in State of Blast Furnace, and the coal powder injection tank of coal injection system is coal powder injection
Key equipment in system, system that coal powder injection tank is under-voltage provide important leverage for the process of coalingging of coal powder injection tank.
Present inventor during inventive technique scheme, has found above-mentioned technology at least in realizing the embodiment of the present application
It has the following technical problems:
In the prior art due to pipeline can not releasing pressure automatically, will cause casing and pop, threaten equipment safety, influence normal life
It produces, in some instances it may even be possible to cause casualties.
Utility model content
The utility model embodiment provides a kind of under-voltage system protection device of coal powder injection tank, and system that coal powder injection tank is under-voltage is due to under-voltage
Sternly leakage not may cause the problem of under-voltage blower bursts to valve, has reached through pipeline releasing pressure automatically, has protected coal powder injection tank well
The technical effect of under-voltage system blower and other equipment.
In order to solve the above technical problems, the utility model provides a kind of under-voltage system protection device of coal powder injection tank, the dress
Setting includes: welding tee, and the welding tee is arranged on under-voltage fan inlet pipeline；By-pass line, the by-pass line with
The third interface of the welding tee connects；Manual ball valve, the manual ball valve are arranged on the by-pass line；Non-return
Valve, the check-valves are arranged on the by-pass line；Cloth bag connector, the cloth bag connector setting is at the by-pass line end
End；Cloth bag, the cloth bag are fixed on the cloth bag connector.
Preferably, described device further include: the flange of manual ball valve is installed, the flange setting the manual ball valve with
Gasket between the by-pass line, the gasket are arranged between the manual ball valve and the by-pass line.
Preferably, described device further include: the flange of check-valves is installed, the flange setting the check-valves with it is described
Gasket between by-pass line, the gasket are arranged between the check-valves and the by-pass line.
Preferably, described device further include: pipe collar, the pipe collar are arranged between the cloth bag connector and the cloth bag.
Preferably, the pipe collar is provided with 2 or 2 or more.
Preferably, the diameter on the cloth bag connector top is slightly less than the diameter of bottom end.
Preferably, the cloth bag connector is metal material, and the cloth bag connector outer surface is bonded one layer of rubber material sealing
Layer.
Preferably, the diameter of the cloth bag is slightly larger than the cloth bag connector lower end diameter.
Preferably, the cloth bag material is antistatic needle felt material.
By one or more technical solution of the utility model, the utility model is had the advantages that or excellent
Point:
The utility model discloses a kind of under-voltage system protection devices of coal powder injection tank, comprising: welding tee, the welding tee
It is arranged on under-voltage fan inlet pipeline；By-pass line, the by-pass line are connect with the third interface of the welding tee；
Manual ball valve, the manual ball valve are arranged on the by-pass line；Check-valves, the check-valves are arranged in the by-pass line
On；Cloth bag connector, the cloth bag connector are arranged in the by-pass line end；Cloth bag, the cloth bag are fixed on the cloth bag and connect
On head.System that coal powder injection tank is under-voltage has reached since sternly leakage not may cause the problem of under-voltage blower bursts to under-voltage valve and has prevented to spray
Coal tank deck is under-voltage, and the poorly sealed gas leakage of butterfly valve plate causes the technical effect of under-voltage blower bursting accident.
Further, the utility model has also achieved the coal dust taken out of when collecting cloth bag to pressure release using high concentration pulverized coal
It is collected completely, and technical effect free from environmental pollution.
Further, the embodiment of the present application has reached that structure is simple, and cost is relatively low, convenient for the skill industrially largely implemented
Art effect.
Further, when the embodiment of the present application has also achieved everyday devices point inspection, patrol officer is put according to coal in cloth bag
Powder collect how many situation, very simply it may determine that out the under-voltage valve of coal powder injection tank deck whether gas leakage and gas leakage size issue, and
The maintenance program for the science of making in time, without the technical effect for thering is excessively high technical level to require a patrol officer.
Detailed description of the invention
Fig. 1 is a kind of under-voltage system protection device structural schematic diagram of coal powder injection tank provided by the embodiment of the utility model.
Description of symbols: welding tee 1, by-pass line 2, manual ball valve 3, check-valves 4, cloth bag connector 5, cloth bag 6, spray
Coal tank 7, under-voltage butterfly valve 8, inlet duct 9, under-voltage blower 10, stop valve 11, export pipeline 12, pulverized coal bin 13.
Specific embodiment
The utility model is in order to solve the under-voltage system of coal powder injection tank since sternly to may cause under-voltage blower quick-fried for leakage for under-voltage valve
The problem of splitting increases protective device to the under-voltage system of coal powder injection tank.Under-voltage fans entrance pipeline releasing pressure automatically is given by protective device,
Prevent pressure rise from equipment damage and personnel casualty accidents being caused to occur.
Embodiment one
In order to make the utility model the technical staff in the technical field be more clearly understood that the utility model, tie below
Attached drawing is closed, technical solutions of the utility model are described in detail by specific embodiment.
Referring to Fig. 1, a kind of under-voltage system protection device of coal powder injection tank provided by the embodiment of the utility model.It include: welding three
Logical, the welding tee is arranged on under-voltage fan inlet pipeline；By-pass line, the by-pass line and the welding tee
The connection of third interface；Manual ball valve, the manual ball valve are arranged on the by-pass line；Check-valves, the check-valves are set
It sets on the by-pass line；Cloth bag connector, the cloth bag connector are arranged in the by-pass line end；Cloth bag, the cloth bag
It is fixed on the cloth bag connector.
Further, described device further include: install the flange of manual ball valve, the flange is arranged in the manual ball valve
The sealing device between the by-pass line, the sealing device are arranged between the manual ball valve and the by-pass line.
Similarly, between the check-valves and by-pass line, further includes: the flange of check-valves is installed, the flange is set
The sealing device between the check-valves and the by-pass line is set, the sealing device is arranged in the check-valves and the side
Between threading a pipe.
Further, described device further include: pipe collar, pipe collar setting the cloth bag connector and the cloth bag it
Between, the pipe collar is provided with 2 or 2 or more, to reach the fastening effect between cloth bag and by-pass line, prevents cloth bag de-
It falls.
Further, the diameter on the cloth bag connector top is slightly less than the diameter of bottom end, forms up big and down small structure.
Further, the cloth bag connector is metal material, the application to the concrete type of metal material with no restriction, it is all
It is that can play the metal material of equivalent effect in practical applications within the scope of protection of this application.The cloth bag connector
Outer surface is bonded one layer of rubber material sealant, and the rubber material plays sealing function, to reach cloth bag and cloth bag connector
Airtightness connection.Wherein, the diameter of the cloth bag is slightly larger than the cloth bag connector lower end diameter, so that the cloth bag can be rigid
The cloth bag connector is entangled well.Also, the cloth bag material is antistatic needle felt material.
Embodiment two
In order to better understand the utility model, the utility model additionally provides a kind of under-voltage system protection device of coal powder injection tank
Manufacture craft:
According to shown in Fig. 1, selects suitable position to disconnect on the inlet duct 9 near under-voltage 10 import of blower, will weld
It welds at the both ends that the both ends of threeway 11 and inlet duct 9 disconnect.The other end of welding tee 11 and by-pass line 2 are welded, it is other
Horizontal direction on 2 of threading a pipe welds two pairs of flanges in advance, successively installs manual ball valve 3, check-valves 4, the installation side of check-valves 4
It is flowed into cloth bag 6 to for permission air-flow through under-voltage blower 10.Cloth bag connector 5 is welded in 2 end vertical direction of by-pass line, by cloth
Bag 6 is fixedly secured with 2 or 2 or more pipe collars in cloth bag connector 5, and the tail portion of cloth bag 6 is located on lower layer's platform.Wherein bypass
Fabrication and installation bracket between the horizontal segment of pipeline 2 and under-voltage fan platform, to guarantee that the intensity of horizontal segment of by-pass line 2 is wanted
It asks.
Embodiment three
The working principle of the under-voltage system protection device of coal powder injection tank provided by the embodiment of the utility model is as follows: when coal powder injection tank 7
Into coaling process when, the under-voltage butterfly valve 8 that coal powder injection tank 7 pushes up is opened, and under-voltage blower 10 starts running, the cutting on export pipeline 12
Valve 11 is opened, and the air-flow in coal powder injection tank 7 is pumped into pulverized coal bin 13 by under-voltage blower 10, at this point, the manual ball valve on by-pass line 2
3 be normally open, and due to being negative pressure state inside inlet duct 9, the check-valves 4 on by-pass line 2 is under the action of negative pressure
Closed state, therefore, coal powder injection tank is under-voltage, and system protection device cuts little ice.After the completion of coal powder injection tank 7 enters and coalings, enter
Pressurising or state of pressure keeping, the under-voltage butterfly valve 8 that coal powder injection tank 7 pushes up are closed, and under-voltage blower 10 stops, the stop valve 11 on export pipeline 12
It closes, if under-voltage 8 valve plate of butterfly valve is not tight at this time, and high pressure nitrogen and coal dust in coal powder injection tank 7 can leak in inlet duct 9,
Since 9 internal pressure of leakaging cause inlet duct can increase, the check-valves 4 on by-pass line 2 opens releasing pressure automatically, air-flow at this time
It is precipitated through cloth bag 6 and enters atmosphere, and coal dust stays in cloth bag 6, therefore, coal powder injection tank is under-voltage, and system protection device plays protection work
With preventing from being raised to elevated pressures inside inlet duct 9, under-voltage blower 10 caused to burst.Close the manual ball valve on by-pass line 2
3, cloth bag 6 can be replaced.
By one or more technical solution of the utility model, the utility model is had the advantages that or excellent
Point:
The utility model discloses a kind of under-voltage system protection devices of coal powder injection tank, comprising: welding tee, the welding tee
It is arranged on under-voltage fan inlet pipeline；By-pass line, the by-pass line are connect with the third interface of the welding tee；
Manual ball valve, the manual ball valve are arranged on the by-pass line；Check-valves, the check-valves are arranged in the by-pass line
On；Cloth bag connector, the cloth bag connector are arranged in the by-pass line end；Cloth bag, the cloth bag are fixed on the cloth bag and connect
On head.System that coal powder injection tank is under-voltage has reached since sternly leakage not may cause the problem of under-voltage blower bursts to under-voltage valve and has prevented to spray
Coal tank deck is under-voltage, and the poorly sealed gas leakage of butterfly valve plate causes the technical effect of under-voltage blower bursting accident.
Further, the utility model has also achieved the coal dust taken out of when collecting cloth bag to pressure release using high concentration pulverized coal
It is collected completely, and technical effect free from environmental pollution.
Further, the embodiment of the present application has reached that structure is simple, and cost is relatively low, convenient for the skill industrially largely implemented
Art effect.
Further, when the embodiment of the present application has also achieved everyday devices point inspection, patrol officer is put according to coal in cloth bag
Powder collect how many situation, very simply it may determine that out the under-voltage valve of coal powder injection tank deck whether gas leakage and gas leakage size issue, and
The maintenance program for the science of making in time, without the technical effect for thering is excessively high technical level to require a patrol officer.
Although the preferred embodiment of the utility model has been described, one of ordinary skilled in the art is once known
Basic creative concept, then additional changes and modifications can be made to these embodiments.So appended claims are intended to explain
Being includes preferred embodiment and all change and modification for falling into the scope of the utility model.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (9)
1. a kind of under-voltage system protection device of coal powder injection tank, which is characterized in that described device includes:
Welding tee, the welding tee are arranged on under-voltage fan inlet pipeline；
By-pass line, the by-pass line are connect with the third interface of the welding tee；
Manual ball valve, the manual ball valve are arranged on the by-pass line；
Check-valves, the check-valves are arranged on the by-pass line；
Cloth bag connector, the cloth bag connector are arranged in the by-pass line end；
Cloth bag, the cloth bag are fixed on the cloth bag connector.
2. a kind of under-voltage system protection device of coal powder injection tank as described in claim 1, which is characterized in that described device further include:
The flange of manual ball valve is installed, the flange is arranged between the manual ball valve and the by-pass line
Sealing device, the sealing device are arranged between the manual ball valve and the by-pass line.
3. a kind of under-voltage system protection device of coal powder injection tank as described in claim 1, which is characterized in that described device further include:
The flange of check-valves is installed, the flange is arranged between the check-valves and the by-pass line
Sealing device, the sealing device are arranged between the check-valves and the by-pass line.
4. a kind of under-voltage system protection device of coal powder injection tank as described in claim 1, which is characterized in that described device further include:
Pipe collar, the pipe collar are arranged between the cloth bag connector and the cloth bag.
5. a kind of under-voltage system protection device of coal powder injection tank as claimed in claim 4, which is characterized in that the pipe collar is provided with 2
It is a or 2 or more.
6. a kind of under-voltage system protection device of coal powder injection tank as described in claim 1, which is characterized in that the cloth bag connector top
Diameter be slightly less than the diameter of bottom end.
7. a kind of under-voltage system protection device of coal powder injection tank as claimed in claim 6, which is characterized in that the cloth bag connector is gold
Belong to material, the cloth bag connector outer surface is bonded one layer of rubber material sealant.
8. a kind of under-voltage system protection device of coal powder injection tank as described in claim 1, which is characterized in that the diameter of the cloth bag omits
Greater than the cloth bag connector lower end diameter.
9. a kind of under-voltage system protection device of coal powder injection tank as described in claim 1, which is characterized in that the cloth bag material is anti-
Electrostatic needle felt material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820637941.XU CN208378914U (en) | 2018-04-28 | 2018-04-28 | Coal injection tank under-voltage system protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820637941.XU CN208378914U (en) | 2018-04-28 | 2018-04-28 | Coal injection tank under-voltage system protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208378914U true CN208378914U (en) | 2019-01-15 |
Family
ID=64973078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820637941.XU Active CN208378914U (en) | 2018-04-28 | 2018-04-28 | Coal injection tank under-voltage system protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208378914U (en) |
-
2018
- 2018-04-28 CN CN201820637941.XU patent/CN208378914U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208378914U (en) | Coal injection tank under-voltage system protection device | |
| CN209481707U (en) | A kind of blast furnace roof presses coal gas circulation and stress device | |
| CN103388047A (en) | Converter dry-process dedusting system and technology | |
| CN202327268U (en) | Explosion-proof relief valve | |
| CN207102155U (en) | A kind of impulse bag type dust collector with cloth bag connector protective case | |
| CN207195944U (en) | Device for plugging for fire-fighting high-pressure water pipe | |
| CN202729345U (en) | Pneumatic dedusting system | |
| CN205026300U (en) | Plugging device with pressure | |
| CN211079209U (en) | Auxiliary pressure equalizing and coal gas replacing device for blast furnace charging bucket | |
| CN209340668U (en) | A kind of anti-apparatus for bending of fire extinguisher canvas hose | |
| CN205155918U (en) | Vacuum type steam extraction recovery unit | |
| CN204039422U (en) | A kind of coal powder injection interlock control system | |
| CN207107931U (en) | A kind of anti-blocking device for discharging | |
| CN207024895U (en) | Air box impulse bag-type dust remover compression gas circuit system | |
| CN206996226U (en) | A kind of flue gas during smelting desulfation dust-extraction device with flue gas cool-down mechanism | |
| CN205861289U (en) | Blast furnace cooling device leakage detection apparatus | |
| CN201728018U (en) | High-moisture dust catcher | |
| CN207275451U (en) | It can determine whether and the safe and simple device for putting ash is carried out to the accident dust stratification of deduster | |
| CN201748107U (en) | Protective cover for gas pipeline port | |
| CN216919312U (en) | Novel blast furnace top material tank pressure equalizing and discharging system | |
| CN209555270U (en) | A kind of furnace top material tank for blast furnace presses gas purification and recyclable device | |
| CN211546587U (en) | Blast furnace damping down coal gas recovery system | |
| CN210802823U (en) | Pressure pipeline airtightness detection device | |
| CN215560399U (en) | Dust removal device for disintegrating slag | |
| CN216337755U (en) | Safe gas box that diffuses |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |