CN203905894U - Mixing device and cementing truck - Google Patents
Mixing device and cementing truck Download PDFInfo
- Publication number
- CN203905894U CN203905894U CN201420211542.9U CN201420211542U CN203905894U CN 203905894 U CN203905894 U CN 203905894U CN 201420211542 U CN201420211542 U CN 201420211542U CN 203905894 U CN203905894 U CN 203905894U
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- pipeline
- inlet
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- mixed
- entrance
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- 238000002156 mixing Methods 0.000 title claims abstract description 68
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 73
- 238000004513 sizing Methods 0.000 claims description 32
- 239000002002 slurry Substances 0.000 claims description 27
- 239000011268 mixed slurry Substances 0.000 claims description 14
- 239000011440 grout Substances 0.000 claims description 7
- 238000002347 injection Methods 0.000 abstract description 7
- 239000007924 injection Substances 0.000 abstract description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 40
- 229910002092 carbon dioxide Inorganic materials 0.000 description 20
- 239000001569 carbon dioxide Substances 0.000 description 20
- 239000011505 plaster Substances 0.000 description 20
- 239000007787 solid Substances 0.000 description 20
- 239000004568 cement Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
Abstract
The utility model discloses a mixing device and a cementing truck. The mixing device comprises an injection pump, a mixing V-shaped tube, a pressure difference sensing element, a mixing tank and a centrifugal circulation pump, wherein the injection pump is provided with an inlet pipeline and an outlet pipeline; the mixing V-shaped tube is provided with an initial stock inlet, a return inlet and a mixing inlet, and the initial stock inlet is connected with the outlet pipeline of the injection pump; the pressure difference element is provided with a first inlet, a second inlet and an outlet end, the first inlet is connected with the outlet pipeline of the injection pump, the second inlet is connected with a dry ash inlet pipeline, and the outlet end is connected with the inlet pipeline of the injection pump; the mixing tank is provided with a stock inlet and a stock outlet, the mixing outlet of the mixing V-shaped tube is correspondingly arranged above the stock inlet, and the stock outlet and the return inlet of the mixing V-shaped tube are communicated through a return pipeline; the centrifugal circulation pump is arranged on the return pipeline and used for conveying mixed stock in the mixing tank to the mixing V-shaped tube. Therefore, through implementing the mixing device, the cost can be lowered and the mixing effect is improved.
Description
Technical field
The utility model relates to engineering machinery field, particularly a kind of mixed sizing device and cementing truck.
Background technology
At present, the mixed slurry system of cementing concrete truck is comprised of water pot, slurry mixing tank, high energy mixers, ash discharging valve, centrifugal pump and manifold etc. conventionally, and mixed slurry pipe-line system includes clarified water pump (supply-water pump), water jet pump, circulation pump, charge pump.The principle sketch of existing mixed slurry system can be with reference to shown in Fig. 1, and clear water centrifugal pump 2 one end are connected with water source by butterfly valve 1, and the other end of clear water centrifugal pump 2 is communicated with high energy mixers 4 through flow meter 3, clear water can be injected into high energy mixers 4.Wherein, the Main Function of high energy mixers 4 can provide the first mixed liquid of solid carbon dioxide plaster and clear water on the one hand, can utilize on the other hand principle of negative pressure to suck solid carbon dioxide plaster.Solid carbon dioxide plaster is blown into high energy mixers 4 from grey tank car, and carry out just mixed with clear water, then flowing into slurry mixing tank 7 is uniformly mixed, the grout outlet of slurry mixing tank 7 is connected with high energy mixers 4 by circular centrifugal pump 6, circular centrifugal pump 6 repeatedly mixes slurry for the cement paste in slurry mixing tank 7 provides, in the connecting pipe of circular centrifugal pump 6 and high energy mixers 4, be provided with densometer 5, for measuring mixed pulp density.
But in existing mixed slurry system, when solid carbon dioxide plaster and clear water carry out just mixing in high energy mixers, the formed negative pressure of high energy mixers is little, sucks the indifferent of solid carbon dioxide plaster.In addition, the complex structure of high energy mixers own, and also cost is higher.
Utility model content
In view of this, the utility model proposes a kind of mixed sizing device and cementing truck, can reduce costs, improve mixed effect.
For achieving the above object, the technical solution of the utility model is achieved in that
On the one hand, the utility model provides a kind of mixed sizing device, and this mixed sizing device comprises: water jet pump, is provided with inlet pipeline, outlet conduit; Mix v-shaped tube, be provided with centrotheca entrance, overfall entrance and mixed slurry outlet, described centrotheca entrance is connected with the outlet conduit of described water jet pump; Differential pressure primary element, is provided with the first entrance, the second entrance and exit end, and described the first entrance is connected to the outlet conduit of described water jet pump, and described the second entrance is connected to dry ash and enters pipeline, and the described port of export is connected to the inlet pipeline of described water jet pump; Slurry mixing tank, is provided with pulp inlet and grout outlet, the corresponding top that is arranged on described pulp inlet of mixed slurry outlet of described mixing v-shaped tube, and the overfall entrance that mixes v-shaped tube is communicated with grout outlet by overfall pipeline; Circular centrifugal pump, is arranged on described overfall pipeline, for the mixed slurry in described slurry mixing tank is delivered to described mixing v-shaped tube.
In said apparatus, on the inlet pipeline of described water jet pump, be provided with flow meter.
In said apparatus, on the inlet pipeline of described water jet pump, be provided with the first gauge tap.
In said apparatus, described the first gauge tap is Pneumatic butterfly valve.
In said apparatus, the inlet pipeline of described water jet pump is connected with water source.
In said apparatus, on described overfall pipeline, be also provided with: densometer, is connected with described circular centrifugal delivery side of pump end.
In said apparatus, on described overfall pipeline, be also provided with: the second gauge tap, is arranged between described densometer and described circular centrifugal pump.
In said apparatus, described the second gauge tap is Hand-operated butterfly valve.
In said apparatus, described differential pressure primary element is Venturi tube or V-type one way valve.
With respect to prior art, the utlity model has following advantage:
Mixed sizing device of the present utility model saves existing high energy mixers, adopts differential pressure primary element and mixes v-shaped tube, forms negative pressure suck dry ash by differential pressure primary element, not only simple in structure, cost, and it is stronger that solid carbon dioxide plaster is inhaled to grey ability, better effects if.
In addition, mixed sizing device of the present utility model has additional just mixed pipeline of mud, by water jet pump, clear water and dry ash are formed just mixed, and within mixing v-shaped tube further mixing mud, mixed effect is better, then, cement paste finally flows into slurry mixing tank and is uniformly mixed.Therefore, mixed sizing device of the present utility model possesses injection, circulating line, is a kind of multistage blending device.
On the other hand, the utility model also provides a kind of cementing truck, and this cementing truck is provided with above-mentioned mixed sizing device described in any.Because above-mentioned any mixed sizing device has above-mentioned technique effect, therefore, the cementing truck that is provided with this mixed sizing device also should possess corresponding technique effect, does not hereby repeat.
Accompanying drawing explanation
The accompanying drawing that forms a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of mixed slurry system in correlation technique;
The structural representation of the mixed sizing device that Fig. 2 provides for the utility model embodiment;
The structural representation of the mixed sizing device that Fig. 3 provides for another embodiment of the utility model.
Description of reference numerals
1 butterfly valve
2 clear water centrifugal pumps
3 flow meters
4 high energy mixers
5 densometers
6 circular centrifugal pumps
7 slurry mixing tanks
10 butterfly valves
20 flow meters
30 water jet pumps
40 mix v-shaped tube
50 densometers
60 circular centrifugal pumps
70 slurry mixing tanks
80 Venturi tubes
90 V-type one way valves
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the utility model can combine mutually.
Basic thought of the present utility model is: design a kind of mixed sizing device, adopt and mix v-shaped tube and differential pressure primary element (as Venturi tube or V-type one way valve), and set up just mixed pipeline of mud, to improve mixed effect, strengthen solid carbon dioxide plaster and inhale grey ability, and can reduce costs.
Below in conjunction with accompanying drawing, each optional embodiment of the present utility model is described further:
With reference to Fig. 2 and Fig. 3, it shows respectively the structure of the mixed sizing device of the utility model embodiment proposition.
In the present embodiment, this mixed sizing device comprises: water jet pump 30, mixing v-shaped tube 40, differential pressure primary element, slurry mixing tank 70 and circular centrifugal pump 60.Wherein, water jet pump 30 is provided with inlet pipeline, outlet conduit, mixes v-shaped tube 40 and is provided with centrotheca entrance, overfall entrance and mixed slurry outlet, and differential pressure primary element is provided with the first entrance, the second entrance and exit end, and slurry mixing tank 70 is provided with pulp inlet and grout outlet.The port of export of differential pressure primary element is connected to the inlet pipeline of water jet pump 30, the first entrance of differential pressure primary element is connected to the outlet conduit of water jet pump 30, the second entrance of differential pressure primary element is connected to for sucking the dry ash of dry ash and enters pipeline, or connects for the ash can of dry ash is provided.The centrotheca entrance that mixes v-shaped tube 40 is connected with the outlet conduit of water jet pump 30, and the overfall entrance that mixes v-shaped tube 40 is communicated with the grout outlet of slurry mixing tank 70 by overfall pipeline, mixes the corresponding top that is arranged on the pulp inlet of slurry mixing tank 70 of mixed slurry outlet of v-shaped tube 40.Circular centrifugal pump 60 is arranged on overfall pipeline, for the mixed slurry in slurry mixing tank 70 is delivered to, mixes v-shaped tube 40.
It should be noted that, in above-described embodiment, differential pressure primary element is the element that Venturi tube 80 or V-type one way valve 90 etc. can produce negative pressure, utilize Venturi tube effect to produce negative pressure, or utilize V-type one way valve pressurized effect and produce negative pressure, thus the dry ash in intake duct, as solid carbon dioxide plaster.
Here, differential pressure primary element be take Venturi tube 80 as example, as shown in Figure 2, the inlet pipeline of water jet pump 30, outlet conduit connect respectively 80 two ports of Venturi tube, provide the pipeline of solid carbon dioxide plaster to be connected to Venturi tube 80 arrival ends, utilize Venturi tube effect to produce negative pressure, the solid carbon dioxide plaster in intake duct, solid carbon dioxide plaster is inhaled into water jet pump 30 entrance points by Venturi tube 80.Between water jet pump 30 and slurry mixing tank 70, be provided with and mix v-shaped tube 40, the mud after just mixed is mixing the interior further mixing of v-shaped tube 40 with circulating mud.
And for example, shown in Fig. 3, the Venturi tube of above-described embodiment can adopt the one way valve that possesses similar functions to substitute, as V-type one way valve.V-type one way valve 90 is provided with the first entrance, the second entrance and exit end, and the first entrance is connected to the outlet conduit of water jet pump 30, and the second entrance is connected to for sucking the dry ash of dry ash and enters pipeline, and the port of export is connected to the inlet pipeline of water jet pump 30.
Clear water is by water jet pump 30, the current major part of water jet pump 30 outlets is delivered to mixes v-shaped tube 40, fraction is back to V-type one way valve 90, utilize the supercharging of V-type one way valve and produce negative pressure, suck dry ash and enter ducted solid carbon dioxide plaster, and be delivered to water jet pump 30 entrances and mix with clear water, pass through water jet pump 30 and aspirate, cement paste is delivered to mixing v-shaped tube 40 and again mixes, mixed cement paste enters slurry mixing tank and is uniformly mixed.Meanwhile, the overfall pipeline that circular centrifugal pump 60 connects returns to the cement paste in slurry mixing tank 70 to be delivered to and mixes v-shaped tube 40, enters slurry mixing tank 70 and stir after again mixing.
The mixed sizing device of the present embodiment saves high energy mixers, adopts Venturi tube 80 or V-type one way valve equal difference press primary element and mix v-shaped tube, not only simple in structure, cost, and also it is stronger that solid carbon dioxide plaster is inhaled to grey ability, better effects if.In addition, by water jet pump 30, clear water and dry ash are formed to first mixing, mixing the interior further mixing of v-shaped tube 40, mixed effect is better.
In above-described embodiment, on the inlet pipeline of water jet pump 30, can be provided with flow meter 20, as shown in Figures 2 and 3, the inlet pipeline of water jet pump 30 is connected with water source, and flow meter 20 is arranged between water jet pump 30 and water source.
In above-described embodiment, as shown in Figures 2 and 3, on the inlet pipeline of water jet pump 30, can be provided with the first gauge tap.In the present embodiment, the first gauge tap can adopt Pneumatic butterfly valve 10.Optionally, Pneumatic butterfly valve 10 is arranged between water source and flow meter 20.
In above-described embodiment, on overfall pipeline, also can be provided with densometer 50, as shown in Figures 2 and 3, densometer 50 is connected with the port of export of circular centrifugal pump 60.
In above-described embodiment, on overfall pipeline, also can be provided with the second gauge tap, as shown in Figures 2 and 3, the second gauge tap is arranged between densometer 50 and circular centrifugal pump 60.In the present embodiment, the second gauge tap can adopt Hand-operated butterfly valve.
Below in conjunction with an example, the various embodiments described above are described further:
In the present embodiment, water jet pump 30 be take clear water centrifugal pump as example, and differential pressure primary element be take Venturi tube as example.The upper end of slurry mixing tank 70 is provided with mixes v-shaped tube 40, and the centrotheca entrance that mixes v-shaped tube 40 connects the outlet conduit of clear water centrifugal pump, the overfall pipeline communication at overfall entrance and circular centrifugal pump 60 places.The first entrance of Venturi tube 80 is connected to the outlet conduit of clear water centrifugal pump, and the second entrance is connected to for sucking the ash inlet tube road of dry ash, and the port of export is connected to the inlet pipeline of clear water centrifugal pump.
Clear water centrifugal pump connects respectively Venturi tube the first entrance and the port of export into and out of pipeline, the second entrance of Venturi tube connects solid carbon dioxide plaster and enters pipeline, solid carbon dioxide plaster enters pipeline and connects Venturi tube, forms after negative pressure, and solid carbon dioxide plaster is inhaled into the entrance point of water jet pump by Venturi tube.Between water jet pump and slurry mixing tank, be provided with and mix v-shaped tube, mud and circulating mud further mixing within mixing v-shaped tube after just mixed.
Clear water sucks by clear water centrifugal pump, the current major part of clear water centrifugal pump outlet is delivered to mixes v-shaped tube 40, fraction is back to Venturi tube 80, utilize Venturi tube effect to produce negative pressure, the solid carbon dioxide plaster in intake duct, and be delivered to the arrival end of clear water centrifugal pump, it is mixed with clear water, through clear water centrifugal pump suction, cement paste is delivered to mixing v-shaped tube 40 and again mixes, mixed cement paste enters slurry mixing tank 70 and is uniformly mixed.Meanwhile, the overfall pipeline that circular centrifugal pump 60 connects returns to the cement paste in slurry mixing tank 70 to be delivered to and mixes v-shaped tube 40, enters slurry mixing tank 70 and stir after again mixing.
With available technology adopting high energy mixers, solid carbon dioxide plaster and clear water are carried out to just mixed phase ratio, the mixed sizing device of the present embodiment possesses injection, circulating line, it is multistage blending device, adopt venturi-type to inhale grey principle, by Venturi tube 80, form negative pressure and suck solid carbon dioxide plaster, by water jet pump 30, set up just mixed pipeline of mud simultaneously, and mixing the interior further mixing mud of v-shaped tube 40, cement paste finally flows into slurry mixing tank and is uniformly mixed.
The mixed sizing device of the present embodiment saves high energy mixers, adopts Venturi tube 80 and mixes v-shaped tube, not only simple in structure, cost, and also it is stronger that solid carbon dioxide plaster is inhaled to grey ability, better effects if.In addition, by water jet pump 30, clear water and dry ash are formed to first mixing, mixing the interior further mixing of v-shaped tube 40, mixed effect is better.
The utility model embodiment also provides a kind of engineering machinery, cementing truck for example, this cementing truck is provided with above-mentioned any mixed sizing device, because above-mentioned any mixed sizing device has above-mentioned technique effect, therefore, the cementing truck that is provided with this mixed sizing device also should possess corresponding technique effect, and its specific implementation process is similar to the above embodiments, does not hereby repeat.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a mixed sizing device, is characterized in that, comprising:
Water jet pump (30), is provided with inlet pipeline, outlet conduit;
Mix v-shaped tube (40), be provided with centrotheca entrance, overfall entrance and mixed slurry outlet, described centrotheca entrance is connected with the outlet conduit of described water jet pump (30);
Differential pressure primary element, be provided with the first entrance, the second entrance and exit end, described the first entrance is connected to the outlet conduit of described water jet pump (30), and described the second entrance is connected to dry ash and enters pipeline, and the described port of export is connected to the inlet pipeline of described water jet pump (30);
Slurry mixing tank (70), is provided with pulp inlet and grout outlet, the corresponding top that is arranged on described pulp inlet of mixed slurry outlet of described mixing v-shaped tube (40), and the overfall entrance of described mixing v-shaped tube (40) is communicated with described grout outlet by overfall pipeline;
Circular centrifugal pump (60), is arranged on described overfall pipeline, for the mixed slurry in described slurry mixing tank (70) is delivered to described mixing v-shaped tube (40).
2. mixed sizing device according to claim 1, is characterized in that, is provided with flow meter (20) on the inlet pipeline of described water jet pump (30).
3. mixed sizing device according to claim 1, is characterized in that, on the inlet pipeline of described water jet pump (30), is provided with the first gauge tap.
4. mixed sizing device according to claim 3, is characterized in that, described the first gauge tap is Pneumatic butterfly valve (10).
5. mixed sizing device according to claim 1, is characterized in that, the inlet pipeline of described water jet pump (30) is connected with water source.
6. mixed sizing device according to claim 1, is characterized in that, on described overfall pipeline, is also provided with: densometer (50), is connected with the port of export of described circular centrifugal pump (60).
7. mixed sizing device according to claim 6, is characterized in that, on described overfall pipeline, is also provided with: the second gauge tap, is arranged between described densometer (50) and described circular centrifugal pump (60).
8. mixed sizing device according to claim 7, is characterized in that, described the second gauge tap is Hand-operated butterfly valve.
9. according to the mixed sizing device described in claim 1 to 8 any one, it is characterized in that, described differential pressure primary element is Venturi tube (80) or V-type one way valve (90).
10. a cementing truck, is characterized in that, is provided with the mixed sizing device described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420211542.9U CN203905894U (en) | 2014-04-28 | 2014-04-28 | Mixing device and cementing truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420211542.9U CN203905894U (en) | 2014-04-28 | 2014-04-28 | Mixing device and cementing truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203905894U true CN203905894U (en) | 2014-10-29 |
Family
ID=51780183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420211542.9U Expired - Fee Related CN203905894U (en) | 2014-04-28 | 2014-04-28 | Mixing device and cementing truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203905894U (en) |
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2014
- 2014-04-28 CN CN201420211542.9U patent/CN203905894U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170104 Address after: 102206 South Beijing city of Changping District science and Technology Park 31 manufacturing center of Beijing Liu Lu Li Patentee after: SANY PETROLEUM INTELLIGENT EQUIPMENT Co.,Ltd. Address before: 102206 Changping District City, North Road, Beijing, the 31 Industrial Park Patentee before: SANY HEAVY ENERGY EQUIPMENT Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 |