CN208311553U - A kind of duplex can on-line maintenance injection device - Google Patents
A kind of duplex can on-line maintenance injection device Download PDFInfo
- Publication number
- CN208311553U CN208311553U CN201820879704.4U CN201820879704U CN208311553U CN 208311553 U CN208311553 U CN 208311553U CN 201820879704 U CN201820879704 U CN 201820879704U CN 208311553 U CN208311553 U CN 208311553U
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- valve
- injection
- channel
- injection pipe
- pressure resistant
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Abstract
The utility model discloses a kind of duplex can on-line maintenance injection device, it includes 2 injecting mechanisms in parallel connecting with pressure resistant vessel open end, one in normal use, another is as spare, when the need of normal use carry out cleaning maintenance, spare injecting mechanism is enabled, so circulation achievees the purpose that Hand scarf repairs；2 injecting mechanism structures are consistent, specifically, injecting mechanism includes the switch valve with the installation passage of the media inlet channel connection of pressure resistant vessel, on and off installation passage and media inlet channel connection, medium passes through injection pipe injection and is sprayed into pressure resistant vessel by injection nozzle, and the other end of injection pipe is connected with can the operating mechanism that moves up and down of Driver injection pipe.The utility model is used by the alternation of 2 injecting mechanisms, can be realized the system of the not needing purpose out of service that Hand scarf, maintenance and replacement can be carried out to injection nozzle and injection pipe.
Description
Technical field
The utility model relates to technical field of petrochemical industry, especially a kind of duplex can on-line maintenance injection device.
Background technique
The system of continuous operation with pressure for petrochemical industry etc., it is often necessary to inject certain medium into band pressure device, have
A little injected medias have solid particle, some injected medias can bond or block injection device, because of injection when using for a long time
The bonding of medium or blocking will lead to injection device cannot effective injected media or entirely ineffective.Under normal conditions, it can only incite somebody to action
Whole system is out of service, then removes injection device and is cleared up, repaired or replaced, and restarts again after reinstalling whole
A system needs to make whole system out of service using such method, discontinuous and unstable due to system operation, to being
It commands and carrys out huge adverse effect, and result in significant economic losses.
Utility model content
A kind of duplex that in order to overcome the deficiencies of the prior art, the utility model provides can on-line maintenance injection device,
Solves great economy cost allowance brought by whole system need to be stopped transport because of cleaning, maintenance or replacement in the prior art
Problem.
To achieve the goals above, the technical solution adopted in the utility model is: a kind of duplex can on-line maintenance injection
Device, including the injecting mechanism connecting with pressure resistant vessel open end, pressure resistant vessel open end is equipped with media inlet channel, implanter
Structure includes the installation passage with the media inlet channel connection, it is characterised in that: the pressure resistant vessel is equipped at least two medium
Access road, 2 media inlet channels are separately connected an injecting mechanism, and the injecting mechanism further includes on and off installation
The switch valve in channel and media inlet channel connection is combined with injection pipe in installation passage, and the outlet end of injection pipe, which is equipped with, wears
It crosses the media inlet channel of pressure resistant vessel and protrudes into the injection nozzle inside pressure resistant vessel, the other end of injection pipe, which is connected with, to be driven
The operating mechanism that dynamic injection pipe moves up and down is additionally provided on and off installation passage between the operating mechanism and switch valve
Check-valves, the injecting mechanism pass through between switch valve and check-valves and media inlet channel formed flow of media path on
Biswitch structure.
Above-mentioned 2 medium injecting mechanisms, usually one works normally, and, as stand-by state, stand-by state is logical for another
Enter to protect medium to make that pressure medium is protected to be slightly above the pressure medium in pressure resistant vessel；When injecting mechanism is in normal mode of operation
Valve is turned on the switch under state, so that installation passage is connected with the media inlet channel on pressure resistant vessel, medium is entered by injection pipe
The injection of mouth end is output in pressure resistant vessel through injection pipe nozzle, is uniformly mixed；When long-term medium of the injection with solid particle or easily
When bonding, susceptible to plugging medium, it will lead to aperture portion in injection nozzle and block, blocking will affect having for medium to a certain extent
At this moment effect injection needs to clear up, repairs or replace injection nozzle and work as injection at this point, rising by operating mechanism Driver injection pipe
When the nozzle location of pipe is higher than switch valve, valve is turned off the switch, the connection of installation passage and media inlet channel, double valve have been blocked
Construction of switch, which plays, prevents the medium for being mixed with particle in pressure resistant vessel from backflowing out of, meanwhile, spare injecting mechanism is opened, is led to
It crosses spare injecting mechanism and injects clean medium.
Further, 2 injecting mechanisms are installed on pressure resistant vessel side by side, and 2 injecting mechanisms axisymmetricly divide
Cloth, there are operating spaces between 2 injecting mechanisms.It needs to reserve certain space between 2 injecting mechanisms to drive for operating mechanism
It uses, when axisymmetric distribution is so that medium injects, two sides are able to maintain the same flow velocity and pressure medium, avoid because of installation position
The offset set cause media of both sides injection flow velocity and pressure medium it is inconsistent.
Further, the check-valves includes valve body, valve channel and valve chamber connection, and valve chamber is towards switch valve side, valve
Towards operating mechanism one end, one end end face that valve channel is connect with valve chamber is hinged with flap in body channel, and the hinged end of flap is set
There are the torsional spring for driving flap free end towards valve body channel direction rotation trend, the other end of the injection pipe relative to nozzle
Check-valves is stretched out after sequentially passing through the path of valve chamber, valve channel under connection state and is connect with operating mechanism, the flap
Free end be extruded in injection tube wall on.
The valve chamber and valve channel of above-mentioned check-valves constitute the exit portion of installation passage, between valve channel and injection pipe
It is tightly connected by filler and filler pressing sleeve, when injection pipe rises under the driving of operating mechanism, the nozzle of injection pipe passes through
After valve chamber enters in valve channel, the flap in valve chamber is acted on and valve body channel by torsional spring, further prevents outside medium
Leakage.
Further, the switch valve uses three-way diverter valve, and three-way diverter valve includes valve body, is equipped with valve in body cavity
Core, spool are equipped with three circulation passage of T-type, and triplet commutation valve body is affixed by transition bindiny mechanism and check valve body, transition machine
Structure includes attachment base, and attachment base is equipped with the attachment base channel of non-return valve valve chamber and three-way diverter valve body cavity, the mistake
It crosses bindiny mechanism and is additionally provided with protection medium channel with attachment base channel connection, the three-way diverter valve is by connecting flange and holds
The ring flange of pressure vessel open end connects, connecting flange be equipped with three-way diverter valve body cavity and with the medium of pressure resistant vessel
The connecting flange channel of access road connection, the injection pipe lead to across attachment base channel and injection pipe and attachment base channel
It crosses filler and gland is tightly connected, the open end of the check valve body is connected on gland and passes through sealing ring
Sealing cooperation, check valve body open end are equipped with stud, and stud sequentially passes through check valve body open end end edge, filler pressure
Lid, after transition bindiny mechanism with nut check.
In above structure, operating mechanism Driver injection pipe is risen so that the nozzle location of injection pipe is higher than switch valve, closing
After switch valve, by protecting medium channel to inject clean medium, pressure medium is protected not less than the pressure medium in pressure resistant vessel
While holding normal injected media, nozzle is continued to lift up.
Further, the operating mechanism includes the guide rod docked with injection pipe, the hollow channel of guide rod and injection pipe
Inner pipe passway connection, guide rod are fixedly connected through anti-rotation flange with the connecting flange for being installed on injection tube end, and guide rod is another
End is threaded with leader nut, and leader nut is installed in driving mechanism.
In above structure, hollow cavity one end of guide rod docks connection with injection pipe, and the hollow cavity other end of guide rod is then constituted
Medium inlet enters guide rod, injection pipe for medium, and is sprayed into pressure resistant vessel by nozzle, and guide rod and anti-rotation flange weld, and prevents
Restriction effect of the turned flange by pillar circumferential direction can only move up and down under driving mechanism driving along column is axial, so as to
In the work such as cleaning to injection pipe and nozzle, repair, replace.
Using the above scheme, the medium injection device of the utility model can be truly realized the system of not needing energy out of service
The purpose of Hand scarf, maintenance and replacement is carried out to injection nozzle and injection pipe.
The utility model is further described with reference to the accompanying drawing.
Detailed description of the invention
Attached drawing 1 is that (wherein 2 injecting mechanism structures are consistent, therefore omit for the utility model specific embodiment structural schematic diagram
The specific number of right side injecting mechanism)；
The status diagram of three-way diverter valve when attached drawing 2 is the utility model specific embodiment normal injected media；
The status diagram of three-way diverter valve when attached drawing 3 is the utility model specific embodiment Hand scarf.
Specific embodiment
Specific embodiment of the utility model be as shown in Figs. 1-3 duplex can on-line maintenance injection device comprising 2
Injecting mechanism, 2 injecting mechanisms are in that axial symmetry arranged side by side is installed on pressure resistant vessel open end respectively, and pressure resistant vessel open end, which is equipped with, to be situated between
Matter access road, injecting mechanism include the installation passage with the media inlet channel connection, and injecting mechanism further includes conducting or closes
The three-way diverter valve of installation passage Yu media inlet channel connection is closed, injection pipe, the outlet of injection pipe are combined in installation passage
End is equipped with the media inlet channel across pressure resistant vessel and protrudes into the injection nozzle inside pressure resistant vessel, the other end of injection pipe
Be connected with can the operating mechanism that moves up and down of Driver injection pipe, in the inner pipe passway of injection pipe and interfaced guide rod
Cavity constitutes medium injection channel, and medium is sprayed into pressure resistant vessel by injection pipe by injection nozzle.Wherein, 1 is pressure resistant vessel,
2 be injection nozzle, and 3 be injection pipe, and 4 be the connecting flange of pressure resistant vessel, and 5 be the connecting flange of injection device, and 6 be triplet commutation
Valve, 7 be transition bindiny mechanism, and 8 be protection medium inlet, and 9 be filler, and 10 be gland, and 11 be check-valves, and 12 be non-return
Valve flap, 13 be check-valves torsional spring, and 14 be filler, and 15 be filler pressing sleeve, and 16 be limit sleeve, and 17 be guide rod, and 18 be pillar, and 19 are
Leader nut, 20 be driving device, and 21 be medium inlet.
In above structure, flange 4 and flange 5 are connected, and entire injecting mechanism can be installed on pressure resistant vessel 1.In order to
Ensure that the medium in the medium and pressure resistant vessel that inject is sufficiently mixed, many apertures is opened up on injection nozzle 2, medium passes through note
The many apertures entered on nozzle 2 spray, and can be sufficiently mixed with the medium in pressure resistant vessel 1.One end of injection pipe 3 generallys use
Screw thread links together with injection nozzle 2, and the other end of injection pipe 3 is designed to connecting flange.17 lower end of guide rod is designed to anti-rotation
Flange, connecting flange generally use bolt and nut with anti-rotation flange and link into an integrated entity, the injection pipe 3 that links into an integrated entity, connection method
Blue, anti-rotation flange and guide rod 17 are all designed to hollow, therefore can pass through medium inlet 21, guide rod in system operation
17, anti-rotation flange, connecting flange, injection pipe 3 and injection nozzle 2 medium required for injected system into pressure resistant vessel 1.?
The top of the connecting flange 5 of injecting mechanism is provided with three-way diverter valve 6, and usual three-way diverter valve 6 uses T-type three-way ball valve,
When injecting mechanism normal use, the straight channel and wing passage of three-way diverter valve 6 are opened, and injection pipe 3 is straight from three-way diverter valve 6
Channel passes through.Furthermore it is possible to inject protection medium into pressure resistant vessel 1 by the wing passage of three-way diverter valve.In triplet commutation
Transition bindiny mechanism 7 is arranged in the top of valve 6, and protection medium inlet 8 is equipped in transition bindiny mechanism 7.Machine is connected in transition
The top of structure 7 is provided with filler 9 and gland 10, to prevent the pressure medium in pressure resistant vessel 1 from passing through the outside of injection pipe 3
Leakage.Check-valves 11 is provided in the top of gland 10.It is provided with filler 14 and filler pressing sleeve 15 in the top of check-valves,
The dual-seal of filler 14 and filler 9, the pressure medium that can be more efficiently prevented from pressure resistant vessel 1 pass through the outer of injection pipe 3
Side (i.e. installation passage) leaks into atmosphere.
Guide rod 17, using being threadedly engaged, generallys use T shape and is threadedly engaged, T shape screw thread can transmit more with leader nut 19
Big power.Leader nut 19 is installed in driving device 20.The cooperation and limitation of pillar 18 and anti-rotation flange make anti-rotation flange only
Pillar 18 can be against to move up and down, and cannot be made rotating motion, the guide rod 17 that is fixed together with anti-rotation flange, even
Acting flange, injection pipe 3, injection nozzle 2 move up and down simultaneously.Driving device 20 drives leader nut 19 to rotate simultaneously, passes through
Guide rod 17 is threadedly engaged with leader nut 19, cannot be made rotating motion with leader nut 19 since guide rod is restricted, it leads
The rotary motion of stem nut 19 translates into the elevating movement of guide rod 17.
Contact of the limit sleeve 16 with anti-rotation flange is for positioning the position of injecting mechanism in normal work.
Two injection devices are installed in parallel on pressure resistant vessel 1, and one of injection device first comes into operation, another note
Enter that device is spare, for spare injection device, clean Jie is injected by medium inlet 21 and protection medium inlet 8
Matter, pressure medium are slightly above the pressure medium in pressure resistant vessel 1, with prevent from easily bonding in pressure resistant vessel 1 susceptible to plugging medium into
Enter into spare injection device and cause the blocking of spare injection device.
For the injection device to come into operation, in normal use, by medium inlet 21, guide rod 17, injection pipe 3 and
The injected media into pressure resistant vessel 1 of injection nozzle 2.The solid particle mediums such as long-term injected media will lead to small in injection nozzle 2
Bore portion blocking, will affect being efficiently injected into for medium when blocking to a certain extent, at this moment needs to clear up, repairs or replace injection
Nozzle 2, in order to reach the purpose, the present apparatus can use gear assembly, electricity generally according to needs by driving device 20(
Dynamic device, handwheel or tommy bar) come promoted guide rod 17 and with anti-rotation flange, connecting flange, injection pipe 3 and injection nozzle 2,
Medium in lifting process in order to prevent in pressure resistant vessel 1 with solid particle enters injecting mechanism, passes through protection medium note
Entrance 8 injects clean medium, so that pressure medium is not less than the pressure medium in pressure resistant vessel 1.Continue to lift up guide rod 17 etc.
Component, when injection nozzle 2 is lifted higher than three-way diverter valve 6, by switching three-way reversal valve 6, after switching, straight channel is closed,
The wing passage of three-way diverter valve 6 is still communicated with pressure resistant vessel 1, at this point, being passed through by the clean medium that protection medium inlet enters
Wing passage continues to be passed through, and preferably the medium of anti-stop-band solid particle or easy bonding, susceptible to plugging medium can enter injection
Mechanism, when injection nozzle 2 is lifted higher than check-valves 11, check-valves flap 12 closes automatically under the effect of check-valves torsional spring 13
It closes, at this time due to the closing of the three-way diverter valve of injecting mechanism 6 and check-valves 11, it can be ensured that the medium in pressure resistant vessel 1 is not
Injecting mechanism external leakage can be passed through.The components such as guide rod 17 are further promoted, when injection nozzle 2 is lifted higher than filler pressing sleeve 15
When, the medium injecting mechanism including injection nozzle 2 and injection pipe 3 has had been detached from the confined area of injection device, at this point, tearing open
It, can be whole from injection by injection nozzle 2, injection pipe 3 and anti-rotation flange except the bolt and nut of connecting flange and anti-rotation flange
It is removed in device.So as to which injection nozzle 2, injection pipe 3 are cleared up, repaired or replaced, note is then reinstalled to again
Enter on device, the step opposite with disassembly can again reset injecting mechanism again.
Injecting mechanism enter online disassembly and maintenance procedure when, while spare injecting mechanism is enabled, in this way, infusing
During the entire process of disassembly, cleaning, maintenance or the replacement and installation for entering mechanism reset, do not need to stop transporting by whole system
Row, and by enabling spare injecting mechanism, it can be ensured that the movement to pressure system injected media is also continuous uninterrupted
, so that it is guaranteed that the continuous reliability service of system, it is ensured that the quality of product.The injection device of the utility model is not only accomplished not needing
System is out of service to carry out Hand scarf, maintenance and replacement to injection nozzle 2 and injection pipe 3, and can ensure to being
The movement of system injected media is continuous continual.Therefore, the medium injection device of the utility model, which can be truly realized, does not need
The system purpose out of service that Hand scarf, maintenance and replacement can be carried out to injection nozzle and injection pipe.
The utility model is not limited to above-mentioned specific embodiment, and persons skilled in the art are according to the utility model public affairs
The content opened can be implemented the utility model or all using the utility model using other a variety of specific embodiments
Design structure and thinking, do simple change or change, both fall within the protection scope of the utility model.
Claims (5)
1. a kind of duplex can on-line maintenance injection device, including the injecting mechanism connecting with pressure resistant vessel open end, pressure-bearing is held
Device open end is equipped with media inlet channel, and injecting mechanism includes the installation passage with the media inlet channel connection, and feature exists
In: the pressure resistant vessel is equipped at least two media inlet channel, and 2 media inlet channels are separately connected an injecting mechanism,
The injecting mechanism further includes the switch valve of on and off installation passage Yu media inlet channel connection, cooperation in installation passage
There is injection pipe, the outlet end of injection pipe is equipped with the media inlet channel across pressure resistant vessel and protrudes into the note inside pressure resistant vessel
Enter nozzle, the other end of injection pipe be connected with can the operating mechanism that moves up and down of Driver injection pipe, the operating mechanism and open
The check-valves that on and off installation passage is additionally provided between valve is closed, the injecting mechanism passes through switch valve and check-valves and medium
The biswitch structure on flow of media path is formed between access road.
2. duplex according to claim 1 can on-line maintenance injection device, it is characterised in that: 2 injecting mechanisms
It is installed on pressure resistant vessel side by side, and 2 injecting mechanisms are axisymmetricly distributed, there are operating spaces between 2 injecting mechanisms.
3. duplex according to claim 1 or 2 can on-line maintenance injection device, it is characterised in that: the check-valves packet
Valve body, valve channel and valve chamber connection are included, valve chamber is towards switch valve side, and for valve channel towards operating mechanism one end, valve body is logical
One end end face that road is connect with valve chamber is hinged with flap, and the hinged end of flap, which is equipped with, drives flap free end towards valve body channel
Direction rotates the torsional spring of trend, and the injection pipe sequentially passes through valve chamber, valve channel in connection shape relative to the other end of nozzle
Check-valves is stretched out behind path under state and is connect with operating mechanism, and the free end of the flap is extruded on injection tube wall.
4. duplex according to claim 3 can on-line maintenance injection device, it is characterised in that: the switch valve use three
Logical reversal valve, three-way diverter valve include valve body, spool are equipped in body cavity, spool is equipped with three circulation passage of T-type, three-way diverter valve
Valve body is affixed by transition bindiny mechanism and check valve body, and transition mechanism includes attachment base, and attachment base is equipped with non-return valve
The attachment base channel of valve chamber and three-way diverter valve body cavity, the transition bindiny mechanism are additionally provided with and attachment base channel connection
Medium channel is protected, the three-way diverter valve is connect by connecting flange with the ring flange of pressure resistant vessel open end, connecting flange
Equipped with the connecting flange channel with three-way diverter valve body cavity and with the media inlet channel connection of pressure resistant vessel, the note
Enter pipe to be tightly connected across attachment base channel and injection pipe and attachment base channel by filler and gland, it is described to stop
The open end for returning valve body, which is connected on gland and is sealed by sealing ring, to be cooperated, and check valve body open end is equipped with spiral shell
Column, stud sequentially pass through after check valve body open end end edge, gland, transition bindiny mechanism with nut check.
5. duplex according to claim 4 can on-line maintenance injection device, it is characterised in that: the operating mechanism includes
The guide rod docked with injection pipe, the hollow channel of guide rod and the inner pipe passway connection of injection pipe, guide rod through anti-rotation flange with
The connecting flange for being installed on injection tube end is fixedly connected, and the guide rod other end is threaded with leader nut, leader nut installation
In in driving mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820879704.4U CN208311553U (en) | 2018-06-07 | 2018-06-07 | A kind of duplex can on-line maintenance injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820879704.4U CN208311553U (en) | 2018-06-07 | 2018-06-07 | A kind of duplex can on-line maintenance injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208311553U true CN208311553U (en) | 2019-01-01 |
Family
ID=64710695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820879704.4U Withdrawn - After Issue CN208311553U (en) | 2018-06-07 | 2018-06-07 | A kind of duplex can on-line maintenance injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208311553U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591541A (en) * | 2018-06-07 | 2018-09-28 | 超达阀门集团股份有限公司 | A kind of duplex can on-line maintenance injection device |
-
2018
- 2018-06-07 CN CN201820879704.4U patent/CN208311553U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591541A (en) * | 2018-06-07 | 2018-09-28 | 超达阀门集团股份有限公司 | A kind of duplex can on-line maintenance injection device |
| CN108591541B (en) * | 2018-06-07 | 2023-06-27 | 超达阀门集团股份有限公司 | Injection device that duplex can maintain on line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190101 Effective date of abandoning: 20230627 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190101 Effective date of abandoning: 20230627 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |