CN217142783U - Device for quickly releasing residual stress of base material and wear-resistant layer of striking plate - Google Patents
Device for quickly releasing residual stress of base material and wear-resistant layer of striking plate Download PDFInfo
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- CN217142783U CN217142783U CN202123055633.7U CN202123055633U CN217142783U CN 217142783 U CN217142783 U CN 217142783U CN 202123055633 U CN202123055633 U CN 202123055633U CN 217142783 U CN217142783 U CN 217142783U
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The utility model discloses a device for rapidly releasing residual stress of a striking plate parent metal and a wear-resistant layer, which adopts the technical proposal that a plurality of striking plate parent metals are welded back to splice a group of striking plate parent metals, the group of striking plate parent metals comprise two front surfacing operation surfaces and a large-area side surfacing operation surface, and the wear-resistant layer is respectively surfaced on the two front surfacing operation surfaces and the large-area side surfacing operation surface; aerial fog cooling device, its including water supply unit, air feed unit, with the first pressure that water supply unit connects flows frequency conversion control unit, with the second pressure that air feed unit connects flows frequency conversion control unit, respectively with first pressure flow frequency conversion control unit with at least one spraying unit that second pressure flow frequency conversion control unit connects, be used for real-time supervision the temperature sensor and the controlling means of wearing layer temperature.
Description
Technical Field
The utility model relates to a fan coal pulverizer technical field especially relates to a device of quick release striking plate mother metal and wearing layer residual stress.
Background
In the use process of the fan coal mill, the striking wheels are abrasion parts and need to be replaced periodically, the upper limit of the safe design work of the striking wheels is 2000 hours according to the difference of coal quality, each group of striking wheels are generally provided with 12 inner striking plates and 12 outer striking plates, the production process of the inner striking plates and the outer striking plates requires that when an abrasion-resistant layer is built up on a parent metal by a wear-resistant plate welding machine, the stress of the parent metal is eliminated and the deformation is controlled, the production efficiency of the original process is low, and a bottleneck exists.
When the striking plate is surfacing-welded by the original equipment, the welding voltage is 350-: side faces and front faces. According to original technological requirements, the next plane of surfacing welding can be continued only by turning over after surfacing welding a layer on the current plane, if the surfacing area is small, continuous surfacing welding can lead to overhigh surface temperature of a working surface which is just subjected to surfacing welding, and if surfacing welding is carried out again, the temperature of the base metal can be high or low, so that serious deformation can be caused, the subsequent machining requirements can not be met, surfacing welding must be stopped, natural cooling is waited, surfacing welding can be continued only after stress of the base metal and a wear-resistant layer is fully released, even overnight repair welding is needed, a large amount of time and cost are consumed on turn-over and cooling, and the production efficiency is seriously reduced.
The natural cooling efficiency is extremely low, and the production requirements cannot be met, and besides natural cooling, the current common cooling modes mainly comprise a laminar flow cooling technology, a through water cooling technology and an aerosol cooling technology. For the stress release of the base material and the wear-resistant layer, a large amount of water source waste is caused because the density of water molecules is high by the laminar cooling technology, and once a large amount of water is remained on the operation surface, serious consequences such as layer rising, honeycomb holes and bubbles between overlaying layers can be caused, so that waste is caused. The water cooling technology is mainly used for controlling and cooling the bar and cannot meet the actual needs of the process.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a device and technology of quick release striking board base metal and wearing layer residual stress, main aim at provide one kind in the twinkling of an eye release wearing layer stress, prevent to strike board base metal deflection too big, promote the device and technology of quick release striking board base metal and wearing layer residual stress of build-up welding efficiency.
In order to achieve the above object, the utility model mainly provides the following technical scheme:
in one aspect, embodiments of the present invention provide a device for rapidly releasing residual stress of a base material and a wear layer of a striking plate. It includes:
the method comprises the following steps that a plurality of striking plate base metals are welded back to form a group of striking plate base metals, wherein the group of striking plate base metals comprise two front surfacing operation surfaces and a large-area side surfacing operation surface, and wear-resistant layers are surfacing-welded on the two front surfacing operation surfaces and the large-area side surfacing operation surface;
the aerial fog cooling device comprises a water supply unit, an air supply unit, a first pressure flow variable frequency control unit connected with the water supply unit, a second pressure flow variable frequency control unit connected with the air supply unit, at least one spraying unit respectively connected with the first pressure flow variable frequency control unit and the second pressure flow variable frequency control unit, a temperature sensor and a control device, wherein the temperature sensor and the control device are used for monitoring the temperature of the wear-resistant layer in real time; the water supply unit be used for to at least one spraying unit provides the spraying water, the air feed unit be used for to at least one spraying unit provides the air current for the spraying, first pressure flow frequency conversion control unit is used for adjusting the water supply water pressure of water supply unit, the second pressure flow frequency conversion control unit is used for adjusting the air feed gas pressure of air feed unit, at least one the spraying unit be used for with water smoke granule spouts being built-up welded on the wearing layer, controlling means is used for the basis temperature sensor monitors being built-up welded the real-time temperature control of wearing layer the water supply unit the air feed unit first pressure flow frequency conversion control unit with the work of second pressure flow frequency conversion control unit.
As described above, the arbitrary two striking plate base materials are welded back to back by the fixing pieces.
As described above, the water supply unit includes: the water tank of external water supply, with the multistage booster pump that the water tank is connected, with filter that multistage booster pump is connected, with connecting pipe, setting that the filter is connected are in manometer on the connecting pipe, with quick-operation joint that the connecting pipe is connected and with the high-pressure rubber tube that quick-operation joint connects, the high-pressure rubber tube with first pressure flows the variable frequency control unit and connects.
As described above, the water supply unit further includes two level detectors respectively disposed at the upper portion inside the water tank and the lower portion inside the water tank.
As previously described, the water supply unit further includes an electric heating device installed at a lower portion of the water tank.
As described above, the air supply unit includes: the screw air compressor, with air holder that the screw air compressor machine is connected and with air cleaner that the air holder is connected, air cleaner with the second pressure flows the frequency conversion control unit and is connected.
As mentioned above, the first pressure-flow variable-frequency control unit comprises a first throttle valve connected with the water supply unit, a first pressure reducing valve connected with the first throttle valve, and a first one-way check valve respectively connected with the first pressure reducing valve and the at least one spraying unit.
As mentioned above, the second pressure-flow variable-frequency control unit comprises a second throttle valve connected to the air supply unit, a second pressure reducing valve connected to the second throttle valve, and a second single check valve connected to the second pressure reducing valve and the at least one spraying unit, respectively.
As previously mentioned, the at least one spray unit includes a first shut-off valve connected to the first variable frequency control unit, a second shut-off valve connected to the second variable frequency control unit, and a fluid nozzle connected to the first shut-off valve and the second shut-off valve, respectively.
On the other hand, the utility model also provides a process of quick release striking plate base metal and wearing layer residual stress, its characterized in that, it includes following step:
s1, welding and splicing any two striking plate base materials back to form a group of striking plate base materials;
s2, overlaying a wear-resistant layer on one front overlaying operation surface of the group of striking plate parent metals by using a wear-resistant plate welding machine, and meanwhile, starting an aerosol cooling device to spray mist particles to the overlaying wear-resistant layer to complete overlaying of the wear-resistant layer on one front overlaying operation surface of the group of striking plate parent metals;
s3, overturning the group of striking plate parent metal to another face surfacing operation surface, surfacing a wear-resistant layer on the other face surfacing operation surface of the group of striking plate parent metal by using a wear-resistant plate welding machine, and starting an aerosol cooling device to spray mist particles to the wear-resistant layer being surfaced to complete surfacing of the wear-resistant layer on the other face surfacing operation surface of the group of striking plate parent metal;
s4, overturning the group of striking plate parent metals to a large-area side surfacing operation surface, surfacing a wear-resistant layer on the large-area side surfacing operation surface of the group of striking plate parent metals by using a wear-resistant plate welding machine, and meanwhile, starting an aerial fog cooling device to spray water fog particles to the wear-resistant layer which is being surfaced so as to complete surfacing of the wear-resistant layer on the large-area side surfacing operation surface of the group of striking plate parent metals;
and S5, repeating the steps S1-S4 and continuing the overlaying of the wear-resistant layer of the base material of the next group of striking plates.
Borrow by above-mentioned technical scheme, the utility model (name) has following advantage at least:
1. the device for rapidly releasing the residual stress of the striking plate parent metal and the wear-resistant layer of the utility model is characterized in that a plurality of striking plate parent metals are arranged, any two striking plate parent metals are welded back to be spliced into a group of striking plate parent metals, the group of striking plate parent metals comprise two front surfacing operation surfaces and a large-area side surfacing operation surface, and the wear-resistant layer is respectively surfaced on the two front surfacing operation surfaces and the large-area side surfacing operation surface; make the utility model discloses realize that the build-up welding operation face becomes 3 build-up welding operation faces of a set of striking plate from 2 build-up welding operation faces of single striking plate, the side build-up welding operation face area is 2 times of original striking plate side build-up welding operation face area, single plane becomes upper and lower two positive planes, through the technology innovation, increase the build-up welding operation face and increase build-up welding operation face area, it realizes that the parent metal is heated evenly to cooperate the continuous upset build-up welding operation face again, accelerate the temperature conduction and reduce the high temperature oxidation time, thereby the produced residual stress of parent metal when realizing eliminating the build-up welding striking plate. And through setting up aerial fog cooling device, utilize gas with higher speed to spout the water smoke granule after the breakage from at least one spraying unit, two fluid nozzle remove along with antifriction plate welding machine, and on spun water smoke granule utilized the dead weight to disperse the operation face wearing layer, can realize the difference in temperature cooling, release wearing layer stress in the twinkling of an eye, prevent that the mother metal deflection is too big to promote build-up welding efficiency.
2. The utility model discloses a device of quick release striking plate parent metal and wearing layer residual stress says from the time cost, need natural cooling's latency when not only having saved release wearing layer stress, has still saved the process time of the frequent upset operation face of original technological requirement, will from economic cost, has not only saved the cost of labour cost and has still saved the cost of fan coal pulverizer, and its economic benefits is considerable.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
FIG. 1 is a schematic structural diagram of a set of striking plate base materials according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an aerosol cooling device according to an embodiment of the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose of the present invention, the following detailed description is given with reference to the accompanying drawings and preferred embodiments, in order to explain the detailed embodiments, structures, features and effects of the present invention.
As shown in fig. 1 and 2, an embodiment of the present invention provides an apparatus for rapidly releasing residual stress of a striking plate base material and a wear layer, including: a plurality of striking plate base materials 1 and an air fog cooling device 2.
As shown in fig. 1, a plurality of striking plate base metals 1, arbitrary two striking plate base metals 1 splice into a set of striking plate base metals back to back the welding together, a set of striking plate base metals includes two front surfacing operation faces 11 and a large tracts of land side surfacing operation face 12, all there is wearing layer 13 to build up welding on two front surfacing operation faces 11 and a large tracts of land side surfacing operation face 12, and is concrete, arbitrary two striking plate base metals 1 are in the same place through the interim back to back welding of stationary blade.
As shown in fig. 2, the gas mist cooling device 2 comprises a water supply unit 21, an air supply unit 22, a first pressure flow frequency conversion control unit 23 connected with the water supply unit 21, a second pressure flow frequency conversion control unit 24 connected with the air supply unit 22, at least one spraying unit 25 respectively connected with the first pressure flow frequency conversion control unit 23 and the second pressure flow frequency conversion control unit 24, and a temperature sensor and a control device 26 for monitoring the temperature of the wear-resistant layer in real time; water supply unit 21 is used for to at least one spraying unit 25 provides the water for spraying, air feed unit 22 is used for to at least one spraying unit 25 provides the air current for spraying, first pressure stream frequency conversion control unit 23 is used for adjusting the water supply water pressure of water supply unit 21, second pressure stream frequency conversion control unit 24 is used for adjusting the air feed atmospheric pressure of air feed unit 22, at least one spraying unit 25 is used for with the water smoke granule is spouted and is being the build-up welding on wearing layer 13, controlling means 26 is used for the basis temperature sensor monitors is the build-up welding being in real-time temperature control of wearing layer 13 water feed unit, 21 air feed unit 22 first pressure stream frequency conversion control unit 23 with second pressure stream frequency conversion control unit 24 works. Specifically, the water supply unit 21 includes: the water tank 211 of external water supply, with the multistage booster pump 212 that the water tank 211 is connected, with the filter 213 that multistage booster pump 212 is connected, with the connecting pipe that filter 213 is connected, set up manometer 214 on the connecting pipe, with quick-operation joint 215 that the connecting pipe is connected and with high-pressure rubber pipe 216 that quick-operation joint 215 is connected, high-pressure rubber pipe 216 with first pressure flow frequency conversion control unit connects 23, filter 213 is the disjunctor filter. The water tank 211 includes a water inlet 2111 and a water outlet 2112 externally connected to a water supply source. The water supply unit 21 further includes a water return safety valve 217 connected to the water tank 211 and the multistage pressurizing pump 212, respectively. The air supply unit 22 includes: the screw type air compressor 221, an air storage tank 222 connected with the screw type air compressor 221 and an air filter 223 connected with the air storage tank 222, wherein the air filter 223 is connected with the second pressure flow frequency conversion control unit 24. The first pressure flow frequency conversion control unit 23 includes a first throttle 231 connected to the water supply unit 21, a first pressure reducing valve 232 connected to the first throttle 231, and a first one-way check valve 233 connected to the first pressure reducing valve 232 and the at least one spraying unit 25, respectively. The second pressure-flow variable-frequency control unit 24 includes a second throttle valve 241 connected to the air supply unit 22, a second pressure reducing valve 242 connected to the second throttle valve 241, and a second one-way check valve 243 connected to the second pressure reducing valve 242 and the at least one spraying unit 25, respectively. The at least one spraying unit 25 includes a first cutoff valve 251 connected to the first variable frequency control unit 23, a second cutoff valve 252 connected to the second variable frequency control unit 24, and a fluid nozzle 253 connected to the first cutoff valve 251 and the second cutoff valve 252, respectively. The high-pressure hose 216 is connected to a first throttle 231, the air filter 223 is connected to a second throttle 241, the first single check valve 233 is connected to a first stop valve 251, and the second single check valve 243 is connected to a second stop valve 252.
Further, in order to ensure sufficient water in the water tank, as shown in fig. 2, the water supply unit 21 further includes two level detectors 218 respectively disposed at an upper portion of the water tank 211 and a lower portion of the water tank 211, and the two level detectors 218 are configured to detect a level of the water in the water tank in real time.
Further, in order to facilitate the use of the aerosol cooling device in a low temperature state, as shown in fig. 2, the water supply unit 21 further includes an electric heating device 219, and the electric heating device 219 is installed at a lower portion of the water tank 211.
The utility model discloses quick release strikes device of board parent metal and wearing layer residual stress carries on portable water smoke laser particle size measuring apparatu and thermoscope for whether detect spray content accords with standard and monitor build-up layer real-time temperature. A structural part welding seam flaw detector can be optionally matched, and whether the surfacing operation surface meets the quality detection requirement or not and whether the quality problems of layering, honeycomb holes, bubbles and the like exist or not can be detected in real time. The innovative process for quickly eliminating the residual stress of the surfacing wear-resistant layer of the striking plate and the auxiliary device are put into use after practice and debugging for a plurality of times. The parameters such as hardness index and appearance index of the striking plate which is built up by adopting a new process and an auxiliary device completely meet the requirement of quality inspection.
In the prior art, when a single striking plate is adopted for welding, the deformation amount of a base material is large and is about 10 mm. Leveling with a press machine more than 300T is required. The requirement on parameters of the press machine is high, and meanwhile, operators are required to have rich experience, and the wear-resistant layer is easy to crack in a large area in the leveling process, so that the wear-resistant layer is easy to fall off, and the risk exists in operation; when two striking plate backs of optimization back-to-back welding, three pairs of striking plates need 3 to 4 days to accomplish the welding, utilize behind the stress relief aerial fog cooling device, welding efficiency increases substantially, and three pairs of striking plates only need 1 day just can accomplish, and production efficiency improves more than 3 times.
From the time cost, the utility model discloses quick release strikes board base metal and wearing layer residual stress's device's advantage lies in not only needing the latency of natural cooling when having saved release stress, has still saved the process time of the frequent upset working face of original technological requirement. The whole set of striking plate of the fan coal mill is welded, so that the time can be saved by at least 12 days.
The device for rapidly releasing the residual stress of the striking plate parent metal and the wear-resistant layer of the utility model is characterized in that a plurality of striking plate parent metals are arranged, any two striking plate parent metals are welded back to be spliced into a group of striking plate parent metals, the group of striking plate parent metals comprise two front surfacing operation surfaces and a large-area side surfacing operation surface, and the wear-resistant layer is respectively surfaced on the two front surfacing operation surfaces and the large-area side surfacing operation surface; make the utility model discloses realize that the build-up welding operation face becomes 3 build-up welding operation faces of a set of striking plate from 2 build-up welding operation faces of single striking plate, the side build-up welding operation face area is 2 times of original striking plate side build-up welding operation face area, single plane becomes upper and lower two positive planes, through the technology innovation, increase the build-up welding operation face and increase build-up welding operation face area, it realizes that the parent metal is heated evenly to cooperate the continuous upset build-up welding operation face again, accelerate the temperature conduction and reduce the high temperature oxidation time, thereby the produced residual stress of parent metal when realizing eliminating the build-up welding striking plate. And through setting up aerial fog cooling device, utilize gas with higher speed to spout the water smoke granule after the breakage from at least one spraying unit, two fluid nozzle remove along with antifriction plate welding machine, and on spun water smoke granule utilized the dead weight to disperse the operation face wearing layer, can realize the difference in temperature cooling, release wearing layer stress in the twinkling of an eye, prevent that the mother metal deflection is too big to promote build-up welding efficiency.
On the other hand, the embodiment of the utility model provides a still provide a process of quick release striking plate base metal and wearing layer residual stress, its characterized in that, it includes following step:
s1, welding and splicing any two striking plate base metals back to form a group of striking plate base metals;
s2, overlaying a wear-resistant layer on one front overlaying operation surface of the group of striking plate parent metals by using a wear-resistant plate welding machine, and meanwhile, starting an aerosol cooling device to spray mist particles to the overlaying wear-resistant layer to complete overlaying of the wear-resistant layer on one front overlaying operation surface of the group of striking plate parent metals;
s3, overturning the group of striking plate parent metal to another face surfacing operation surface, surfacing a wear-resistant layer on the other face surfacing operation surface of the group of striking plate parent metal by using a wear-resistant plate welding machine, and starting an aerosol cooling device to spray mist particles to the wear-resistant layer being surfaced to complete surfacing of the wear-resistant layer on the other face surfacing operation surface of the group of striking plate parent metal;
s4, overturning the group of striking plate parent metals to a large-area side surfacing operation surface, surfacing a wear-resistant layer on the large-area side surfacing operation surface of the group of striking plate parent metals by using a wear-resistant plate welding machine, and meanwhile, starting an aerial fog cooling device to spray water fog particles to the wear-resistant layer which is being surfaced so as to complete surfacing of the wear-resistant layer on the large-area side surfacing operation surface of the group of striking plate parent metals;
and S5, repeating the steps S1-S4 and continuing the overlaying of the wear-resistant layer of the base material of the next group of striking plates.
The device for rapidly releasing the residual stress of the striking plate parent metal and the wear-resistant layer of the utility model is characterized in that a plurality of striking plate parent metals are arranged, any two striking plate parent metals are welded back to be spliced into a group of striking plate parent metals, the group of striking plate parent metals comprise two front surfacing operation surfaces and a large-area side surfacing operation surface, and the wear-resistant layer is respectively surfaced on the two front surfacing operation surfaces and the large-area side surfacing operation surface; make the utility model discloses realize that the build-up welding operation face becomes 3 build-up welding operation faces of a set of striking plate from 2 build-up welding operation faces of single striking plate, the side build-up welding operation face area is 2 times of original striking plate side build-up welding operation face area, single plane becomes upper and lower two positive planes, through the technology innovation, increase the build-up welding operation face and increase build-up welding operation face area, it realizes that the parent metal is heated evenly to cooperate the continuous upset build-up welding operation face again, accelerate the temperature conduction and reduce the high temperature oxidation time, thereby the produced residual stress of parent metal when realizing eliminating the build-up welding striking plate. And through setting up aerial fog cooling device, utilize gas with higher speed to spout the water smoke granule after the breakage from at least one spraying unit, two fluid nozzle remove along with antifriction plate welding machine, and on spun water smoke granule utilized the dead weight to disperse the operation face wearing layer, can realize the difference in temperature cooling, release wearing layer stress in the twinkling of an eye, prevent that the mother metal deflection is too big to promote build-up welding efficiency.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (9)
1. The utility model provides a device of quick release striking board base metal and wearing layer residual stress which characterized in that: it includes:
the method comprises the following steps that a plurality of striking plate base metals are welded back to form a group of striking plate base metals, wherein the group of striking plate base metals comprise two front surfacing operation surfaces and a large-area side surfacing operation surface, and wear-resistant layers are surfacing-welded on the two front surfacing operation surfaces and the large-area side surfacing operation surface;
the gas fog cooling device comprises a water supply unit, a gas supply unit, a first pressure flow frequency conversion control unit connected with the water supply unit, a second pressure flow frequency conversion control unit connected with the gas supply unit, at least one spraying unit respectively connected with the first pressure flow frequency conversion control unit and the second pressure flow frequency conversion control unit, a temperature sensor and a control device, wherein the temperature sensor and the control device are used for monitoring the temperature of the wear-resistant layer in real time; the water supply unit be used for to at least one spraying unit provides the spraying water, the air feed unit be used for to at least one spraying unit provides the air current for the spraying, first pressure flow frequency conversion control unit is used for adjusting the water supply water pressure of water supply unit, the second pressure flow frequency conversion control unit is used for adjusting the air feed atmospheric pressure of air feed unit, at least one the spraying unit is used for spouting the water smoke granule to being built up on the wearing layer, controlling means is used for the basis temperature sensor monitors being built up the real-time temperature control of wearing layer the water supply unit the air feed unit first pressure flow frequency conversion control unit with the work of second pressure flow frequency conversion control unit.
2. The apparatus for rapidly releasing residual stress of a striking plate base material and a wear-resistant layer according to claim 1,
and any two striking plate base materials are welded together back to back through the fixing pieces.
3. The apparatus for rapidly releasing residual stress of a striking plate base material and a wear-resistant layer according to claim 1,
the water supply unit includes: the water tank of external water supply, with the multistage booster pump that the water tank is connected, with filter that multistage booster pump is connected, with connecting pipe, setting that the filter is connected are in manometer on the connecting pipe, with quick-operation joint that the connecting pipe is connected and with the high-pressure rubber tube that quick-operation joint connects, the high-pressure rubber tube with first pressure flows the variable frequency control unit and connects.
4. The apparatus for rapidly releasing residual stress of a striking plate base material and a wear-resistant layer according to claim 3,
the water supply unit also comprises two liquid level detection meters which are respectively arranged at the upper part in the water tank and the lower part in the water tank.
5. The apparatus for rapidly releasing residual stress of a striking plate base material and a wear-resistant layer according to claim 3,
the water supply unit further includes an electric heating device installed at a lower portion of the water tank.
6. The apparatus for rapidly releasing residual stress of a striking plate base material and a wear-resistant layer according to claim 1,
the gas supply unit includes: the screw air compressor, with air holder that the screw air compressor machine is connected and with air cleaner that the air holder is connected, air cleaner with the second pressure flows the frequency conversion control unit and is connected.
7. The apparatus for rapidly releasing residual stress of a striking plate base material and a wear-resistant layer according to claim 1,
the first pressure flow frequency conversion control unit comprises a first throttling valve connected with the water supply unit, a first pressure reducing valve connected with the first throttling valve, and a first one-way check valve respectively connected with the first pressure reducing valve and the at least one spraying unit.
8. The apparatus for rapidly releasing residual stress of a striking plate base material and a wear-resistant layer according to claim 1,
the second pressure flow frequency conversion control unit comprises a second throttling valve connected with the air supply unit, a second pressure reducing valve connected with the second throttling valve, and a second single check valve respectively connected with the second pressure reducing valve and the at least one spraying unit.
9. The apparatus for rapidly releasing residual stress of a striking plate base material and a wear-resistant layer according to claim 1,
the at least one spraying unit comprises a first stop valve connected with the first pressure flow variable frequency control unit, a second stop valve connected with the second pressure flow variable frequency control unit and a two-fluid nozzle respectively connected with the first stop valve and the second stop valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123055633.7U CN217142783U (en) | 2021-12-06 | 2021-12-06 | Device for quickly releasing residual stress of base material and wear-resistant layer of striking plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123055633.7U CN217142783U (en) | 2021-12-06 | 2021-12-06 | Device for quickly releasing residual stress of base material and wear-resistant layer of striking plate |
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| Publication Number | Publication Date |
|---|---|
| CN217142783U true CN217142783U (en) | 2022-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123055633.7U Active CN217142783U (en) | 2021-12-06 | 2021-12-06 | Device for quickly releasing residual stress of base material and wear-resistant layer of striking plate |
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| Country | Link |
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| CN (1) | CN217142783U (en) |
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