CN203349265U - Paste feeding spray gun - Google Patents
Paste feeding spray gun Download PDFInfo
- Publication number
- CN203349265U CN203349265U CN 201320353615 CN201320353615U CN203349265U CN 203349265 U CN203349265 U CN 203349265U CN 201320353615 CN201320353615 CN 201320353615 CN 201320353615 U CN201320353615 U CN 201320353615U CN 203349265 U CN203349265 U CN 203349265U
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- CN
- China
- Prior art keywords
- feeder sleeve
- air inlet
- spray gun
- pipe
- inlet pipe
- Prior art date
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- Withdrawn - After Issue
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Abstract
The utility model discloses a paste feeding spray gun which is provided with a charge pipe and an external air inlet pipe mounted outside the charge pipe in a sleeving manner, wherein an air inlet cavity is formed between the charge pipe and the external air inlet pipe; an air inlet is formed in the air inlet cavity; one end of the charge pipe is closed, and the other end thereof is opened; the opened end of the charge pipe is connected with an external mold sleeve and an internal mold head; a circular discharge seam allowing a material flowing into the charge pipe to flow out is formed between the external mold sleeve and the internal mold head; the section area of the circular discharge seam is smaller than that of an inner cavity of the charge pipe; a plurality of external air blowing holes communicated with the air inlet cavity are annularly formed in the outer end face of the external mold sleeve; an internal air inlet pipe is arranged in the charge pipe; one end of the internal air inlet pipe is connected with the internal mold head, and the other end thereof penetrates out of the charge pipe; at least one internal air blowing hole communicated with the internal air inlet pipe is formed in the outer end face of the internal mold head; and a feed port is formed in the charge pipe. The feeding spray gun in the structure is simple in structure, and achieves the positive effects of realizing sufficient burning of paste fuel and reducing impact on a hearth or a kiln.
Description
Technical field
The utility model relates to a kind of lotion feed spray gun.
Background technology
The feed that CFBB is mixed the flammable solid discarded objects such as flammable solid discarded objects such as burning coal slime and cement kiln synergic processing municipal sludge generally adopts lotion pump pressure piping to be delivered to charging gear, the paste flammable solid discarded object that enters boiler or cement kiln burning by pipeline is the free-falling of mud column, dropping down like this flammable solid discarded object fallen can form and impact siege, on the one hand the siege of boiler had to infringement, the flammable solid waste combustion is insufficient on the other hand, not only do not have the purpose of whole burnings, also reduced efficiency of combustion.
Summary of the invention
The purpose of this utility model is, overcome the deficiencies in the prior art part, a kind of feed spray gun is provided, is applicable to furnace roof feed and middle part feed and the multiple feed form burning such as vertical or the horizontal type cement rotary kiln feed paste flammable solid discarded object of CFBB.The problem of flammable solid discarded object wall built-up trickling in the time of both can having solved the middle part feed for CFBB, in the time of can solving the furnace roof feed again, the flammable solid discarded object becomes the problem of bulk group lower drop impact siege damage siege; This feed spray gun is installed on the kiln tail when the cement kiln synergic processing flammable solid discarded object, can make the medium of torch firing be the dispersion shape ejection with certain flow velocity, both has been conducive to the abundant burning of flammable solid discarded object, is conducive to again and the mixing of unclassified stores.
In order to solve the problems of the technologies described above, the utility model provides a kind of lotion feed spray gun with following structure, its design feature is: have a feeder sleeve and the external air inlet pipe that is sleeved on the feeder sleeve outside, between feeder sleeve and external air inlet pipe, form air-inlet cavity, air-inlet cavity is provided with air inlet; Described feeder sleeve one end sealing, the other end open wide, the open end of feeder sleeve is connected with outer die casing and inner mould head, form between outer die casing and inner mould head for material outflow and its sectional area of flowing into feeder sleeve and be less than the long-pending discharging circumferential weld of feeder sleeve intracavity section, the outer face pressed on ring of outer die casing is furnished with a plurality of outer blowhole that are communicated with air-inlet cavity; Be provided with the interior blast pipe that an end is connected with inner mould head, the other end passes feeder sleeve in feeder sleeve, at least be provided with an interior blowhole be communicated with interior blast pipe on the outer face of inner mould head; Feeder sleeve is provided with charging aperture.
The angle that described outer blowhole blows out the outflow direction of material in the flow direction of wind and feeder sleeve is acute angle.
The radial dimension of described inner mould head is less than the feeder sleeve internal diameter and slidably is connected in feeder sleeve by locating rack, and inner mould head and the dismountable sealing of interior blast pipe are connected together; The blind end of feeder sleeve is connected with the closing cap of this end sealing by dismountable connected mode, and interior blast pipe passes closing cap.
Described interior blast pipe is screwed onto on closing cap; The width of described discharging circumferential weld diminishes from inside to outside gradually, forms in two slotted wall faces of discharging circumferential weld, and having a slotted wall face at least is the conical surface.
The radial dimension of described outer die casing is less than the external air inlet bore and is sealed connected together with feeder sleeve is dismountable, and feeder sleeve is dismountable to be sealedly connected on the external air inlet pipe; The outer end of described external air inlet pipe is provided with outer die casing and forms and hold the interior ring of the relation that is sealed and matched protruding.
Be connected with the fan housing that inner chamber is communicated with the external air inlet tube cavity on described feeder sleeve, fan housing is sealedly connected on the external air inlet pipe by dismountable connected mode.
Described feeder sleeve is provided with the flushing water entrance.
Described flushing water entrance is located on closing cap.
Described feeder sleeve is provided with the cooling air import.
Paste flammable solid discarded object (hereinafter to be referred as paste fuel) is delivered in feeder sleeve by the lotion pump, under the effect of lotion pump pressure, paste fuel flows out from the discharging circumferential weld, be that paste fuel is the tubular discharge under the extruding of outer die casing and inner mould head, that is to say after paste fuel is discharged feeder sleeve and become barrel.Discharge feeder sleeve simultaneously at tubular paste fuel, the pressure-air that passes into air-inlet cavity acts on the outer wall of barrel through outer blowhole, and the pressure-air that passes into interior blast pipe acts on the inwall of barrel through interior blowhole, the high-pressure blast that acts on the inside and outside wall of barrel is cut barrel, thereby form the graininess walk, reach the purpose of breaing up material.Be less than in addition the sectional area of feeder sleeve inner chamber due to the sectional area of discharging circumferential weld, so just greatly increased flow velocity when paste fuel is discharged, can make the graininess walk be the dispersion shape ejection.No matter paste fuel is become to the graininess walk, still make the graininess walk be the dispersion shape ejection, all can make the more abundant of paste fuel combustion.
In sum, the advantage of the utility model structure is simple in structure, can bring the paste fuel combustion fully and reduce the good effect to siege or stove impact.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail:
Fig. 1 is structural representation of the present utility model.
The specific embodiment
With reference to Fig. 1, lotion feed spray gun has a feeder sleeve 1, for convenience of description, the discharge end of feeder sleeve 1 is defined as to front end, and the other end is defined as rear end.The front end of feeder sleeve 1 opens wide, back-end closure, the rearward end section of feeder sleeve 1 is provided with charging aperture 10, the rear end of feeder sleeve 1 is connected with rear end flanges 18, on rear end flanges 18, by dismountable connected mode, be connected with the closing cap 12 of feeder sleeve 1 back-end closure, can establish sealing gasket 27 between rear end flanges 18 and closing cap 12, for convenient, realize detachably, closing cap 12 is bolted on rear end flanges 18, certain dismountable connected mode is not limited to bolt and connects, those skilled in the art can adopt any known means that removably connect, such as adopting pipe clamp etc., give an example no longer one by one as space is limited.
The front section outer cover of feeder sleeve 1 is equipped with external air inlet pipe 2, forms the air-inlet cavity 3 of ring-type between feeder sleeve 1 and external air inlet pipe 2, and the generation type of air-inlet cavity 3 is as described below.The front end of feeder sleeve 1 is connected with outer die casing 4, outer die casing 4 adopts and is sealed and matched and dismountable linking together with feeder sleeve 1, the inner of outer die casing 4 is provided with outer shroud protruding 19 and interior heavy stand 20, the front end face of feeder sleeve 1 and interior heavy stand 20 forms the end contacts relation that is sealed and matched, on the outer wall of feeder sleeve 1, spacer ring is established polylith contiguous block 21, polylith contiguous block 21 is connected by bolt and outer shroud protruding 19, thereby realizes removably connecting of outer die casing 4 and feeder sleeve 1.The radial dimension of outer die casing 4 is less than external air inlet pipe 2 internal diameters, and the front end of external air inlet pipe 2 is provided with that interior ring is protruding 14, and the outer face of outer shroud protruding 19 contacts with the inner face of interior ring protruding 14, thereby forms the end face seal matching relationship.The rear end of external air inlet pipe 2 is connected with front end flange 22, be connected with fan housing 17 on feeder sleeve 1, be connected with adpting flange 23 on fan housing 17, adpting flange 23 and front end flange 22 are bolted, thereby realize removably connecting of feeder sleeve 1 and external air inlet pipe 2, adpting flange 23 can take face to contact sealing with front end flange 22, also can between the two, add sealing gasket 24.Feeder sleeve 1, external air inlet pipe 2, outer die casing 4 and fan housing 17 surround described air-inlet cavity 3, and air-inlet cavity 3 is provided with air inlet 13.The outer face pressed on ring of outer die casing 4 is furnished with a plurality of outer blowhole 7 that are communicated with air-inlet cavity 3, and the angle α that described outer blowhole 7 blows out the outflow direction of the flow direction of wind and feeder sleeve 1 interior material is acute angle; That is to say that blowhole 7 is set to inclined hole, for the wind that makes to blow out acts on the outside wall surface of barrel.
The inner chamber front end of feeder sleeve 1 is equipped with inner mould head 5, and the radial dimension of inner mould head 5 is less than the feeder sleeve internal diameter, and inner mould head 5 slidably is connected in feeder sleeve 1 by the locating rack 11 connected thereon.Outer die casing 4 and inner mould head 5 cooperatively interact, form the discharging circumferential weld 6 flowed out for the material that flows into feeder sleeve between the two, the sectional area of discharging circumferential weld 6 is much smaller than the sectional area of feeder sleeve 1 inner chamber, be provided with the interior blast pipe 8 that an end and inner mould head 5 dismountablely are connected, the other end passes closing cap 12 in feeder sleeve 1, feeder sleeve 1 can be connected to realize the two dismountable connection with inner mould head 5 by the mode be spirally connected, feeder sleeve 1 adopted and is sealed and matched with coordinating also of inner mould head 5, for example can adopt the end face seal fit step.Establish the wind chamber 25 excessively be communicated with interior blast pipe 8 in inner mould head 5, at least be provided with an interior blowhole 9 be communicated with mistake wind chamber 25 on the outer face of inner mould head 5, the present embodiment adopts the mode that a plurality of interior blowhole 9 are set, and a plurality of interior blowhole 9 intervals are periphery on the outer face of inner mould head 5.The width of described discharging circumferential weld 6 diminishes from inside to outside gradually, for the width that makes discharging circumferential weld 6 diminishes from inside to outside gradually, form so in two slotted wall faces of discharging circumferential weld 6, having a slotted wall face at least is the conical surface, one section internal face of the outer die casing 4 of the formation discharging circumferential weld 6 shown in figure adopts taper seat, and the one section outer surface that forms the inner mould head 5 of discharging circumferential weld 6 adopts the face of cylinder, certainly, the one section outer surface that forms the inner mould head 5 of discharging circumferential weld 6 also adopts taper seat.Described interior blast pipe 8 is screwed onto on closing cap 12, be provided with sealing ring 26 in the front side at the place of being spirally connected between interior blast pipe 8 and closing cap 12, can order about inner mould head 5 front and back slips by rotating interior blast pipe 8, thereby can regulate the width of discharging circumferential weld 6, to reach the purpose of regulating the material jet length.
For the ease of cleaning feeder sleeve 1 inner chamber, feeder sleeve 1 is provided with the flushing water entrance 15 be communicated with its inner chamber, and the flushing water entrance 15 shown in figure is located on closing cap 12.In order to make stove inner segment and the isolation of the high temperature in burner hearth of feed spray gun when the feed not, make the feed spray gun maintain the state of relative low temperature when quitting work, feeder sleeve 1 is provided with the cooling air import 16 be communicated with its inner chamber.
With reference to Fig. 1, below take to CFBB is example for paste fuel, the use procedure of the feed spray gun of said structure is described, so that those skilled in the art more clearly understand design concept of the present utility model.External air inlet pipe 2 and the furnace wall of boiler are connected, make the front end of feed spray gun be positioned at the inboard of furnace wall, by valve, air inlet 13 is connected with high-pressure blast feedway (omitting in figure) with interior blast pipe 8, flushing water entrance 15 is connected with water supply installation (omitting in figure), cooling air import 16 is connected with cooling air feedway (omitting in figure) and ointment pumping materials device (omitting in figure) is connected with charging aperture 10, starting the lotion pump continuously sends into paste fuel in feeder sleeve 1, start the high-pressure blast feedway simultaneously, paste fuel enters feeder sleeve 1 and advances forward, after flowing out spray gun, discharging circumferential weld 6 through forming between outer die casing 4 and inner mould head 5 forms barrel, now, the high-pressure blast blown out in the interior blowhole 9 of blowhole 7 and inner mould head 5 from outer die casing 4 is respectively at outer wall and the inwall of barrel, barrel is formed to the air-flow cutting, barrel is cut into after the graininess walk and is sent forth and inject in boiler, not only can avoid siege is impacted, and can make the paste fuel combustion more abundant.Stop for after paste fuel, can send water to enter the paste fuel that feeder sleeve 1 will retain within it by water supply installation rinses away from discharging circumferential weld 6, after flushing, open the cooling air feedway, to feeder sleeve 1 is interior, for cooling air, cooling air is blown out from discharging circumferential weld 6, can make stove inner segment and the isolation of the high temperature in burner hearth of feed spray gun, make the feed spray gun maintain the state of relative low temperature when quitting work, to extend the service life of feed spray gun.In use procedure, if feeder sleeve 1 exit coking can move axially inner mould head 5 generations by rotating interior blast pipe 8, the locating rack 11 on inner mould head 5 can be removed coking.Closing cap 12 and interior blast pipe 8 are taken apart, can be by interior blast pipe 8 and inner mould head 5 from the interior extraction of feeder sleeve 1 so that maintenance and change in blast pipe 8 and inner mould head 5.By the disassembling bolts on adpting flange 23 and front end flange 22, can be by feeder sleeve 1 and outer die casing 4 from the interior extraction of external air inlet pipe 2, so that maintenance and change outer die casing 4 and external air inlet pipe 2.
The mode that removably connects described in the utility model, the easiest bolt of preferential employing connects and is threaded, certainly, under the enlightenment of the utility model design concept, those skilled in the art can adopt any known mode of removably connecting to realize the utility model, such as adopting buckle, snap ring or clip etc. to be connected.
Claims (9)
1. a lotion feed spray gun, it is characterized in that thering is a feeder sleeve (1) and be sleeved on the outside external air inlet pipe (2) of feeder sleeve (1), form air-inlet cavity (3) between feeder sleeve (1) and external air inlet pipe (2), air-inlet cavity (3) is provided with air inlet (13); Described feeder sleeve (1) one end sealing, the other end open wide, the open end of feeder sleeve (1) is connected with outer die casing (4) and inner mould head (5), form between outer die casing (4) and inner mould head (5) for material outflow and its sectional area of flowing into feeder sleeve and be less than the long-pending discharging circumferential weld (6) of feeder sleeve (1) intracavity section, the outer face pressed on ring of outer die casing (4) is furnished with a plurality of outer blowhole (7) that are communicated with air-inlet cavity (3); Be provided with an end and the interior blast pipe (8) that inner mould head (5) is connected, the other end passes feeder sleeve (1) in feeder sleeve (1), at least be provided with an interior blowhole (9) be communicated with interior blast pipe (8) on the outer face of inner mould head (5); Feeder sleeve (1) is provided with charging aperture (10).
2. lotion feed spray gun as claimed in claim 1, is characterized in that the angle that described outer blowhole (7) blows out the outflow direction of the flow direction of wind and the interior material of feeder sleeve (1) is acute angle.
3. lotion feed spray gun as claimed in claim 1, the radial dimension that it is characterized in that described inner mould head (5) is less than the feeder sleeve internal diameter and slidably is connected in feeder sleeve by locating rack (11), and inner mould head (5) and the dismountable sealing of interior blast pipe (8) are connected together; The blind end of feeder sleeve (1) is connected with the closing cap (12) of this end sealing by dismountable connected mode, and interior blast pipe (8) passes closing cap (12).
4. lotion feed spray gun as claimed in claim 3, is characterized in that described interior blast pipe (8) is screwed onto on closing cap (12); The width of described discharging circumferential weld (6) diminishes from inside to outside gradually, forms in two slotted wall faces of discharging circumferential weld (6), and having a slotted wall face at least is the conical surface.
5. lotion feed spray gun as claimed in claim 1, the radial dimension that it is characterized in that described outer die casing (4) be less than external air inlet pipe (2) internal diameter and with dismountable being sealed connected together of feeder sleeve (1), feeder sleeve (1) is dismountable to be sealedly connected on external air inlet pipe (2); The outer end of described external air inlet pipe (2) is provided with outer die casing (4) and forms the interior ring protruding (14) of holding the relation that is sealed and matched.
6. lotion feed spray gun as claimed in claim 5, it is characterized in that on described feeder sleeve (1) being connected with the fan housing (17) that inner chamber is communicated with external air inlet pipe (2) inner chamber, fan housing (17) is sealedly connected on external air inlet pipe (2) by dismountable connected mode.
7. as the described lotion feed of arbitrary claim spray gun in claim 1-6, it is characterized in that described feeder sleeve (1) is provided with flushing water entrance (15).
8. lotion feed spray gun as claimed in claim 7, is characterized in that described flushing water entrance (15) is located on closing cap (12).
9. as the described lotion feed of arbitrary claim spray gun in claim 1-6, it is characterized in that described feeder sleeve (1) is provided with cooling air import (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320353615 CN203349265U (en) | 2013-06-20 | 2013-06-20 | Paste feeding spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320353615 CN203349265U (en) | 2013-06-20 | 2013-06-20 | Paste feeding spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203349265U true CN203349265U (en) | 2013-12-18 |
Family
ID=49749162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320353615 Withdrawn - After Issue CN203349265U (en) | 2013-06-20 | 2013-06-20 | Paste feeding spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203349265U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277791A (en) * | 2013-06-20 | 2013-09-04 | 山东恒远利废技术发展有限公司 | Paste feeding spray gun |
| CN108317521A (en) * | 2018-05-08 | 2018-07-24 | 碎得机械(北京)有限公司 | A kind of spray gun |
-
2013
- 2013-06-20 CN CN 201320353615 patent/CN203349265U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277791A (en) * | 2013-06-20 | 2013-09-04 | 山东恒远利废技术发展有限公司 | Paste feeding spray gun |
| CN103277791B (en) * | 2013-06-20 | 2015-08-19 | 山东恒远利废技术发展有限公司 | Lotion feed spray gun |
| CN108317521A (en) * | 2018-05-08 | 2018-07-24 | 碎得机械(北京)有限公司 | A kind of spray gun |
| CN108317521B (en) * | 2018-05-08 | 2023-12-15 | 碎得机械(北京)有限公司 | Spray gun |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131218 Effective date of abandoning: 20150819 |
|
| RGAV | Abandon patent right to avoid regrant |