CN208854450U - Wet blast system - Google Patents
Wet blast system Download PDFInfo
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- CN208854450U CN208854450U CN201821598206.9U CN201821598206U CN208854450U CN 208854450 U CN208854450 U CN 208854450U CN 201821598206 U CN201821598206 U CN 201821598206U CN 208854450 U CN208854450 U CN 208854450U
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Abstract
The utility model relates to a kind of wet blast systems.Wet blast system described in the utility model includes hydraulic pressure tank, nozzle, abrasive material funnel, water tank, water pump, pressurization water lines, air compressor machine, sandblasting gas circuit, voltage stabilizing element, the abrasive material funnel is connected to hydraulic pressure tank for abrasive material, the water tank is through water pump, pressurized water pipeline connection to hydraulic pressure tank to supply water, the hydraulic pressure tank is connected to nozzle for the mixture of frosted and water, the air compressor machine is connected to nozzle through sandblasting gas circuit to supply, and the pressurization water lines are connected to sandblasting gas circuit by voltage stabilizing element.Wet blast system described in the utility model has the advantages that voltage regulation result is preferable, cost is relatively low.
Description
Technical field
The utility model relates to technical field of sandblasting, more particularly to a kind of wet blast system.
Background technique
Anticorrosion with painting technique, which usually requires that, handles metal surface, removes the dirt on workpiece surface by abrasive blasting
Dirt, paint or iron rust.Currently, there are two types of forms for domestic sand blasting system: a kind of mode is using dry type sandblasting, another way
For wet blast.Wherein, there is pollution environment, endanger the disadvantages of workers ' health and coating performance are unreliable in dry type sandblasting.And it is wet
Formula sandblasting can eliminate the dust pollution of conventional dry sandblasting, have both environment it is clean and tidy it is pollution-free, operate conveniently and apply economy
Etc. advantages.
Wet abrasive blasting system provides required surface using the mixture of empty gas and water and abrasive material (such as garnet or walnut shell)
Processing.Wet abrasive blasting system generally comprises booster water pump and hydraulic pressure tank, and hydraulic pressure tank is used to accommodate the abrasive material that density is greater than water, and water pump will
Water is sent in hydraulic pressure tank and pressurizes, and mixes abrasive material and water.The mixture of abrasive material and water is referred to as mortar, mortar can be pressed into
In the conduit of high-speed air flow.
Abundant positive energy exchange is needed before hose and nozzle discharge in air and mortar mixture, is obtained with this necessary
Hitting power.To ensure that mortar can inject in flow at high speed air, the pressure in pressurized tank necessarily is greater than the pressure in air stream.
Traditional design needs the pressure in pressure and pressurized tank in user's setting air stream.If the two pressure difference is too low, sand
Pulp mixture can not inject air stream, if the two pressure difference is excessively high, air can countercurrently enter pressurized tank.
To solve the above problems, TORBO ENGINEERING KEIZERS GMBH company once devised complicated pipeline and
Regulating device is to be used to adjust pipeline pressure difference.Therefore, still there is further improved space.
Utility model content
Based on this, the purpose of the utility model is to provide a kind of wet blast system, preferable with voltage regulation result,
The advantages of cost is relatively low.
A kind of wet blast system include hydraulic pressure tank, nozzle, abrasive material funnel, water tank, water pump, pressurization water lines, air compressor machine,
Sandblasting gas circuit, voltage stabilizing element, the abrasive material funnel are connected to hydraulic pressure tank for abrasive material, and the water tank is through water pump, pressurization water lines
Hydraulic pressure tank is connected to supply water, the hydraulic pressure tank is connected to nozzle for the mixture of frosted and water, and the air compressor machine is through sandblasting
Gas circuit is connected to nozzle to supply, and the pressurization water lines are connected to sandblasting gas circuit by voltage stabilizing element.
Compared with the existing technology, wet blast system described in the utility model first passes through abrasive material funnel and provides to hydraulic pressure tank
Sand grains, while water pump draws water pressurization from water tank to provide water to hydraulic pressure tank, and sand grains and water are sufficiently mixed into sand in hydraulic pressure tank
Slurry.Then mortar enters nozzle, and air compressor machine compressed air sprays mortar from nozzle to provide compressed air to nozzle.
Wherein, pressurization water lines are connected to sandblasting gas circuit by voltage stabilizing element, when the pressure difference of pressurization water lines and sandblasting gas circuit is sent out
When raw fluctuation, stablize the pressure difference by voltage stabilizing element.Structure design is simple, and voltage regulation result is preferable, and manufacturing cost is lower.
Further, the pressure high 0.3 to 0.5bar of the pressure ratio sandblasting gas circuit of the pressurization water lines.In the pressure difference
Under the action of, it can effectively ensure that mortar injecting compressed air, it helps guarantee that compressed air will not countercurrently enter hydraulic pressure tank.
It further, further include air accumulator, the air compressor machine successively passes through air accumulator, sandblasting gas circuit is connected to nozzle.Storage
Gas tank is mainly used to guarantee the stability of flow of compressed air when air compressor machine continuous operation.
Further, and including separator, pressure regulator valve, oil sprayer, the air compressor machine successively passes through air accumulator, water separation
Device, pressure regulator valve, oil sprayer, sandblasting gas circuit are connected to nozzle.Compressed air successively passes through separator, pressure regulator valve, oil sprayer, can
The clean lubrication and pressure for effectively guaranteeing compressed air are stablized.
Further, then including first throttle valve, pressure reducing valve, the first check valve, the air compressor machine successively pass through air accumulator,
Separator, pressure regulator valve, oil sprayer, first throttle valve, pressure reducing valve, the first check valve, sandblasting gas circuit are connected to nozzle.Pass through
One throttle valve adjusts the flow of compressed air, and the pressure of sandblasting gas circuit is adjusted by pressure reducing valve, by the first check valve come
It is effectively prevented compressed air adverse current.
Further, then including air vent valve, second throttle, second one-way valve, the air compressor machine is successively by storage
Gas tank, separator, pressure regulator valve, oil sprayer are connected to air vent valve, and the water tank is through water pump, air vent valve, the second section
Flow valve, second one-way valve, pressurized water pipeline connection to hydraulic pressure tank.The output pressure of water pump passes through pneumatic pressure regulation by pressure control
Valve adjusts the output pressure of water pump, so that the output pressure of water pump is followed air pressure adjust automatically, is adjusted by second throttle
The flow of water effectively prevent water adverse current by second one-way valve.
Further, further include control cylinder for controlling the discharge port size of abrasive material hopper, the air compressor machine is successively
Control cylinder is connected to by air accumulator, separator, pressure regulator valve, oil sprayer.
Further, and including gas-oil valve, the air compressor machine successively passes through air accumulator, separator, pressure regulator valve, oil
Day with fog, gas-oil valve are connected to control cylinder, and the water tank successively passes through water pump, air vent valve, second throttle, gas-liquid
Interstage valve, second one-way valve, pressurized water pipeline connection to hydraulic pressure tank.Guarantee that the discharging of abrasive material funnel is opened by gas-oil valve
Pass is synchronous with water flow switch, so that the ratio of sand grains and water in hydraulic pressure tank be maintained to keep stablizing.
Further, the abrasive material funnel is rotary body made of cross-section shrinking percentage Curve Design.Sectional area linearly subtracts
Small, flowing velocity is linearly increasing, so that it is constant to maintain flow holding to stablize, is effectively prevented from abrasive material hopper blockage phenomenon.
Further, the contour curve equation of the abrasive material funnel is y=2ln (x)+C, wherein x is mill in abrasive material funnel
Expect that the radius of top surface, y are that the distance of abrasive material hopper outlet, C is constant for abrasive material top surface in abrasive material funnel.Make cutting for abrasive material funnel
Face area linearly reduces.
In order to better understand and implement, according to the present invention will be described in detail below with reference to the accompanying drawings.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of wet blast system described in the utility model；
Fig. 2 is the design diagram of the abrasive material funnel of wet blast system described in the utility model；
Appended drawing reference:
10, nozzle；20, hydraulic pressure tank；21, mortar funnel；22, safety valve；30, hydraulic pressure circuit；31, water tank；32, water pump；
33, air vent valve；34, second throttle；35, gas-oil valve；36, second one-way valve；37, float switch；40, abrasive material returns
Road；41, abrasive material funnel；42, filter plate；43, abrasive material switchs；44, cylinder is controlled；50, pneumatic circuit；51, air compressor machine；52, it stores up
Gas tank；53, separator；54, pressure regulator valve；55, oil sprayer；56, first throttle valve；57, pressure reducing valve；58, the first check valve；
60, voltage stabilizing element；
A, sandblasting gas circuit；B, water lines are pressurized；C, mortar mixture pipeline；D, gas circuit is controlled；
A, divide moral point；B, air pressure node；C, hydraulic pressure node.
Specific embodiment
A kind of wet blast system, referring to Fig. 1, including nozzle 10, hydraulic pressure tank 20, hydraulic pressure circuit 30, abrasive material circuit 40, gas
Push back road 50, voltage stabilizing element 60.Wherein, hydraulic pressure circuit 30 is used to provide water to hydraulic pressure tank 20, and abrasive material circuit 40 is used for hydraulic pressure
Tank 20 provides sand grains, and pneumatic circuit 50 is used to provide compressed gas to nozzle 10 and for controlling hydraulic pressure circuit 30, abrasive material go back to
Road 40, voltage stabilizing element 60 are used to connect hydraulic pressure circuit 30, pneumatic circuit 50 to stablize the pressure difference in two circuits.Water and sand grains are in water
It is mixed into mortar in pressure tank 20, mortar flows to nozzle 10, and under the action of compressed air, mortar is sprayed from nozzle 10.
Referring to Fig. 1, the bottom of hydraulic pressure tank 20 is provided with mortar funnel 21, the opening of the separate hydraulic pressure tank 20 of mortar funnel 21
Smaller, the opening of the close hydraulic pressure tank 20 of mortar funnel 21 is larger, wherein the opening far from hydraulic pressure tank 20 is mortar outlet, is leaned on
The opening of nearly hydraulic pressure tank 20 is mortar import.The bottom of mortar funnel 21 is equipped with a mortar mixture pipeline C, the mortar outlet
Nozzle 10 is connected to by mortar mixture pipeline C.Hydraulic pressure tank 20 is also communicated with a safety valve 22, and safety valve 22 is for controlling water
It presses the pressure of 20 inner cavity of tank to be no more than specified value, important protective effect has been run to personal safety and equipment.
Referring to Fig. 1, hydraulic pressure circuit 30 includes water tank 31, water pump 32, air vent valve 5433, second throttle 34, gas-liquid
Interstage valve 35, second one-way valve 36, pressurization water lines B.Water tank 31 successively throttles by water pump 32, air vent valve 33, second
Valve 34, gas-oil valve 35, second one-way valve 36, pressurization water lines B are connected to hydraulic pressure tank 20.Wherein, pneumatic circuit 50 also with
Air vent valve 33, the connection of gas-oil valve 35 are to adjust air vent valve 33, gas-oil valve 35.In addition, water tank 31 is connected
External water source is provided with float switch 37 in water tank 31, and the water level and outer water receiving of water tank 31 are controlled by float switch 37
The switch in source, to guarantee 31 stable level of water tank without waste water resource.
Fig. 1 is participated in, abrasive material circuit 40 includes abrasive material funnel 41, filter plate 42, abrasive material switch 43, control cylinder 44.Abrasive material
The opening of the top surface of funnel 41 is sand grains import, and the opening of the bottom surface of abrasive material funnel 41 is sand grains outlet, and sand grains outlet is extremely
Hydraulic pressure tank 20.Filter plate 42 is mounted on the sand grains entrance of abrasive material funnel 41 to be filtered processing to sand grains.Abrasive material switch 43
The sand grains exit of abrasive material funnel 41 is mounted on to control the size of sand grains outlet.Control cylinder 44 and the fixed company of abrasive material switch 43
It connects, control cylinder 44 is used to control the movement of abrasive material switch 43.In the present embodiment, abrasive material switch 43 is a slide plate, and slide plate is flat
Row is exported in the sand grains of abrasive material funnel 41, and the push rod of control cylinder 44 is fixedly connected with slide plate, and control cylinder 44 drives slide plate
Sliding.
Referring to Fig. 1, pneumatic circuit 50 include air compressor machine 51, air accumulator 52, separator 53, pressure regulator valve 54, oil sprayer 55,
First throttle valve 56, pressure reducing valve 57, the first check valve 58, sandblasting gas circuit A, control gas circuit D.Air compressor machine 51 successively passes through air accumulator
52, separator 53, pressure regulator valve 54, oil sprayer 55, first throttle valve 56, pressure reducing valve 57, the first check valve 58, sandblasting gas circuit A
It is connected to nozzle 10.Wherein, sandblasting gas circuit A and pressurization water lines B is attached by voltage stabilizing element 60, pressurization water lines B's
The pressure high 0.3 to 0.5bar of pressure ratio sandblasting gas circuit A.In addition, air compressor machine 51 also successively passes through air accumulator 52, separator
53, pressure regulator valve 54, oil sprayer 55, gas-oil valve 35 are connected to control cylinder 44, realize to hydraulic pressure circuit 30, abrasive material circuit 40
Control.Also, air compressor machine 51 is again successively by air accumulator 52, separator 53, pressure regulator valve 54, oil sprayer 55, control gas circuit D
It is connected to air vent valve 5433, realizes the control to hydraulic pressure circuit 30.
In existing wet blast system, sand grains and mortar conveying are conveyed using conical hopper.Sand grains or sand
Starching flow in conical hopper is
Q=v*S,
S=π R2,
Wherein, Q is the flow of sand grains or mortar, and v is the flow velocity of sand grains or mortar, and S is sand grains or mortar in flow direction
On sectional area, R be the sectional area of sand grains or mortar in the flowing direction radius.
Because funnel is taper, in sand grains or mortar flow process, radius linearly reduces, and sectional area is
Non-linear reduction.So under the premise of flow holding stablizes constant, the speed of flow direction is non-linearly increasing, flowing
The speed in direction must increase it is too fast, so that crowded blocking occurs in conical hopper for sand grains or mortar.
For the blockage problem for solving sand grains or mortar conveying, in existing design, a kind of scheme is to increase shaking device to prevent
The only blocking of sand grains or mortar, another scheme be complete conveying using additional power avoid conveying using gravity sand grains and
Mortar.But the system of the first scheme is complex, also increases cost, second scheme needs to provide extra power, waste
The energy also increases cost.Therefore, the utility model proposes a kind of new solutions, and referring to fig. 2, which is leakage
The contour curve equation of bucket is
Y=Cln (x)+D,
Wherein, x is sectional area radius, and y is distance of the section to hopper outlet, and C, D are constant.
Referring back to Fig. 2, abrasive grain drops to section B layers from section A layer because sectional area reduces, even if decline away from
Very small from h, abrasive grain is also required to rearrange to adapt to the variation of sectional area, and the variation of sectional area is with sectional shrinkage
It indicates, sectional shrinkage is
Wherein, Ψ is sectional shrinkage, and S is sectional area.
The sectional shrinkage of so y-axis is
Wherein, ΨyFor the sectional shrinkage of y-axis.
It follows that the sectional shrinkage of y-axis is a constant, therefore in the case where being not necessarily to provide extra power, it can
So that the speed of flow direction, sectional area are linearly to reduce, and then help to prevent funnel blockage phenomenon.So
In the present embodiment, abrasive material funnel 41, mortar funnel 21 are rotary bodies made of cross-section shrinking percentage Curve Design.
Specifically, the contour curve equation of abrasive material funnel 41 is
y1=C1ln(x1)+D1,
Wherein, x1For the radius of sand grains top surface in abrasive material funnel 41, y1For sand grains top surface in abrasive material funnel 41 to abrasive material funnel
The distance of 41 outlets, C1、D1For constant；
The contour curve equation of mortar funnel 21 is
y2=C2ln(x2)+D2,
Wherein, x2For the radius of mortar top surface in mortar funnel 21, y2For mortar top surface in mortar funnel 21 to mortar funnel
The distance of 21 outlets, C2、D2For constant.
The course of work: incorporated by reference to Fig. 1, sand grains is poured into abrasive material funnel 41, sand grains enters abrasive material after first passing through filter plate 42
The bottom of funnel 41, and start air compressor machine 51 and water pump 32.Firstly, 51 compressed air of air compressor machine, compressed air pass sequentially through
Air accumulator 52, separator 53, pressure regulator valve 54, oil sprayer 55.Then, compressed air is dividing tri- tunnel moral point a Fen Wei.The first via
Compressed air through control gas circuit D control air vent valve 33.The compressed air on the second tunnel passes through the gas circuit of gas-oil valve 35
Spool reaches control cylinder 44.The compressed air on third road successively passes through first throttle valve 56, pressure reducing valve 57, the first check valve
58, sandblasting gas circuit A is to enter nozzle 10.Then, water pump 32 draws water pressurization from water tank 31, and pressurized water successively passes through air vent valve
33, second throttle 34, gas-oil valve 35, second one-way valve 36, pressurization water lines B are to flow to 20 inner cavity of hydraulic pressure tank.Also,
The air pressure node b of sandblasting gas circuit A is connect with the hydraulic pressure node c of pressurization water lines B by voltage stabilizing element 60 to keep the steady of pressure difference
It is fixed.Meanwhile push rod driving abrasive material switch 43 sliding of cylinder 44 is controlled to control the big of the sand grains outlet of 41 bottom of abrasive material funnel
It is small.Finally, sand grains and pressurized water are mixed into mortar in hydraulic pressure tank 20, mortar flow to nozzle 10 by mortar mixture pipeline C,
Compressed air is injected into mortar, mortar and compressed air in nozzle 10 abundant positive energy exchange to obtain enough hitting powers,
And mortar is sprayed from nozzle 10.
Compared with the existing technology, wet blast system described in the utility model can work continuously, and not need to shut down sand loading,
It uses conventional Pneumatic Transmission element and hydraulic pressure delivery element, keeps pressure difference to stablize by designing voltage regulator element 60.In addition, root
Come engineered abrasives funnel 41 and mortar funnel 21 according to cross-section shrinking percentage curve principle, guarantees that gravity conveying funnel is not stopped up
Plug, does not need to waste additional power source yet.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.
Claims (10)
1. a kind of wet blast system, it is characterised in that: including hydraulic pressure tank (20), nozzle (10), abrasive material funnel (41), water tank
(31), water pump (32), pressurization water lines (B), air compressor machine (51), sandblasting gas circuit (A), voltage stabilizing element (60), the abrasive material funnel
(41) hydraulic pressure tank (20) is connected to for abrasive material, and the water tank (31) is connected to hydraulic pressure tank through water pump (32), pressurization water lines (B)
(20) to supply water, the hydraulic pressure tank (20) is connected to nozzle (10) for the mixture of frosted and water, air compressor machine (51) warp
Sandblasting gas circuit (A) is connected to nozzle (10) to supply, and the pressurization water lines (B) and sandblasting gas circuit (A) pass through voltage stabilizing element
(60) it is connected to.
2. wet blast system according to claim 1, it is characterised in that: the pressure ratio spray of pressurization water lines (B)
The pressure high 0.3 to 0.5bar of sand gas circuit (A).
3. wet blast system according to claim 1, it is characterised in that: further include air accumulator (52), the air compressor machine
(51) nozzle (10) successively are connected to by air accumulator (52), sandblasting gas circuit (A).
4. wet blast system according to claim 3, it is characterised in that: and including separator (53), pressure regulator valve
(54), oil sprayer (55), the air compressor machine (51) successively pass through air accumulator (52), separator (53), pressure regulator valve (54), mist of oil
Device (55), sandblasting gas circuit (A) are connected to nozzle (10).
5. wet blast system according to claim 4, it is characterised in that: again include first throttle valve (56), pressure reducing valve
(57), the first check valve (58), the air compressor machine (51) successively by air accumulator (52), separator (53), pressure regulator valve (54),
Oil sprayer (55), first throttle valve (56), pressure reducing valve (57), the first check valve (58), sandblasting gas circuit (A) are connected to nozzle
(10)。
6. wet blast system according to claim 4, it is characterised in that: again include air vent valve (33), the second section
Valve (34), second one-way valve (36) are flowed, the air compressor machine (51) successively passes through air accumulator (52), separator (53), pressure regulator valve
(54), oil sprayer (55) is connected to air vent valve (33), and the water tank (31) is through water pump (32), air vent valve (33),
Two throttle valves (34), second one-way valve (36), pressurization water lines (B) are connected to hydraulic pressure tank (20).
7. wet blast system according to claim 6, it is characterised in that: further include the discharging for controlling abrasive material hopper
The control cylinder (44) of mouth size, the air compressor machine (51) successively pass through air accumulator (52), separator (53), pressure regulator valve
(54), oil sprayer (55) is connected to control cylinder (44).
8. wet blast system according to claim 7, it is characterised in that: and including gas-oil valve (35), the sky
Press (51) successively passes through air accumulator (52), separator (53), pressure regulator valve (54), oil sprayer (55), gas-oil valve (35)
It is connected to control cylinder (44), the water tank (31) successively passes through water pump (32), air vent valve (33), second throttle
(34), gas-oil valve (35), second one-way valve (36), pressurization water lines (B) are connected to hydraulic pressure tank (20).
9. wet blast system according to any one of claims 1 to 7, it is characterised in that: the abrasive material funnel (41) is
Rotary body made of cross-section shrinking percentage Curve Design.
10. wet blast system according to claim 9, it is characterised in that: the contour curve of the abrasive material funnel (41)
Equation is y=2ln (x)+C, wherein x is the radius of abrasive material funnel (41) interior abrasive material top surface, and y is abrasive material funnel (41) interior abrasive material
The distance that top surface is exported to abrasive material funnel (41), C are constant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821598206.9U CN208854450U (en) | 2018-09-29 | 2018-09-29 | Wet blast system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821598206.9U CN208854450U (en) | 2018-09-29 | 2018-09-29 | Wet blast system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208854450U true CN208854450U (en) | 2019-05-14 |
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ID=66419857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821598206.9U Active CN208854450U (en) | 2018-09-29 | 2018-09-29 | Wet blast system |
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| CN (1) | CN208854450U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108857915A (en) * | 2018-09-29 | 2018-11-23 | 广东水拓工程科技有限公司 | Wet blast system |
-
2018
- 2018-09-29 CN CN201821598206.9U patent/CN208854450U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108857915A (en) * | 2018-09-29 | 2018-11-23 | 广东水拓工程科技有限公司 | Wet blast system |
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