CN105171921B - Aggregate air-cooling system for pre-cooled concrete production - Google Patents
Aggregate air-cooling system for pre-cooled concrete production Download PDFInfo
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- CN105171921B CN105171921B CN201510495051.0A CN201510495051A CN105171921B CN 105171921 B CN105171921 B CN 105171921B CN 201510495051 A CN201510495051 A CN 201510495051A CN 105171921 B CN105171921 B CN 105171921B
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- air
- air cooler
- stop valve
- cooling system
- high temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/0007—Pretreatment of the ingredients, e.g. by heating, sorting, grading, drying, disintegrating; Preventing generation of dust
- B28C7/0023—Pretreatment of the ingredients, e.g. by heating, sorting, grading, drying, disintegrating; Preventing generation of dust by heating or cooling
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- Dispersion Chemistry (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention discloses an aggregate air-cooling system for pre-cooled concrete production. The system comprises a coarse aggregate bin, an air cooler and a refrigerating device. The air cooler is connected with the coarse aggregate bin. The refrigerating device is connected with the air cooler. The refrigerating device comprises a condenser, a high-pressure liquid storage device, a low-pressure circulating liquid storage device, a refrigerating compressor and a refrigerant pump. The aggregate air-cooling system for pre-cooled concrete production further comprises a high-temperature air pipe and a condensate pipe. The high-temperature air pipe is connected between the air cooler and the refrigerating compressor of the refrigerating device. The condensate pipe is connected between the air cooler and the low-pressure circulating liquid storage device of the refrigerating device. The aggregate air-cooling system for pre-cooled concrete production has the advantages of being simple in structure, capable of effectively eliminating bin freezing, convenient to operate, low in cost and the like.
Description
Technical field
The present invention relates to concrete production field, more particularly to a kind of Outputting Pre-cooling Concrete production aggregate air cooling system.
Background technology
At present, the air-cooled main pre- refrigeration technique as Outputting Pre-cooling Concrete production of aggregate, in large hydropower station engineering etc. substantially
In the construction of product concrete works, it has been used widely.As gravelstone moisture content is higher, particulate interspaces are little, and windage is big, cold
Air temperature is too low easily to freeze storehouse, i.e. gravelstone feed bin freezes, and causes concrete production to be interrupted, and affects project progress and quality,
The waste for thereby resulting in is very big.In addition to gravelstone, middle stone there is also jelly storehouse phenomenon, and the less jelly storehouses of great Shi, only especially big stone are not present
Freeze storehouse phenomenon.
The content of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, there is provided a kind of simple structure, effectively can be arranged
Except freeze storehouse, be easy to operate and low cost Outputting Pre-cooling Concrete production aggregate air cooling system.
To solve above-mentioned technical problem, the present invention is employed the following technical solutions：
A kind of Outputting Pre-cooling Concrete produces aggregate air cooling system, including coarse aggregate storehouse, air cooler and refrigerating plant, described
Air cooler is connected with the coarse aggregate storehouse, and the refrigerating plant is connected with the air cooler, the refrigerating plant bag
Include condenser, high-pressure reservoir, low pressure recycle reservoir, refrigeration compressor and refrigerated medium pump, the air cooler and thick bone
Connecting line between feed bin is provided with blower fan, and the Outputting Pre-cooling Concrete production aggregate air cooling system also includes high temperature trachea and coagulates
Knot liquid pipe, the high temperature trachea are connected between the refrigeration compressor of the air cooler and the refrigerating plant, described solidifying
Knot liquid pipe is connected between the air cooler and the low pressure recycle reservoir of the refrigerating plant.
As the further improvement of above-mentioned technical proposal：
The air cooler is high in and low out feed flow, and the high temperature trachea first end is connected to the refrigeration compressor
Between air vent check valve and air vent stop valve, the second end is connected to the inlet of the air cooler and feed liquor stop valve
Between, the condensation liquid pipe first end is connected between the air inlet and air inlet stop valve of the low pressure recycle reservoir, and second
End is connected between the gas outlet of the air cooler and outlet stop valve.
The air cooler is low in and high out feed flow, and the high temperature trachea first end is connected to the refrigeration compressor
Between air vent check valve and air vent stop valve, the second end is connected to the gas outlet of the air cooler and outlet stop valve
Between, the condensation liquid pipe first end is connected between the air inlet and air inlet stop valve of the low pressure recycle reservoir, and second
End is connected between the air inlet and air inlet stop valve of the air cooler.
The high temperature trachea is provided with stop valve before being connected with other pipelines, the condensation liquid pipe with air cooler
Stop valve is installed before feed tube or escape pipe connection, the condensation liquid pipe is pacified before being connected with low pressure recycle reservoir air inlet pipe
Equipped with stop valve, check valve and pressure-regulating valve.
Compared with prior art, it is an advantage of the current invention that：
The Outputting Pre-cooling Concrete production aggregate air cooling system of the present invention, including coarse aggregate storehouse, air cooler and refrigerating plant,
Air cooler is connected with coarse aggregate storehouse, and the connecting line between air cooler and coarse aggregate storehouse is provided with blower fan, refrigeration dress
Put and be connected with air cooler, refrigerating plant include condenser, high-pressure reservoir, low pressure recycle reservoir, refrigeration compressor and
Refrigerated medium pump, Outputting Pre-cooling Concrete production aggregate air cooling system also includes high temperature trachea and condenses liquid pipe, and high temperature trachea is connected to sky
Between Gas Cooler and the refrigeration compressor of refrigerating plant, condensation liquid pipe is connected to air cooler and the low pressure of refrigerating plant is followed
Between ring reservoir, when there is to freeze storehouse in coarse aggregate storehouse, the system of High Temperature High Pressure refrigeration compressor discharged by high temperature trachea
Refrigerant gas send into the air cooler being connected with coarse aggregate storehouse, set on the connecting line between air cooler and coarse aggregate storehouse
Some blower fans are pressed into air cooler, the cold-producing medium of air cooler high temperature high pressure after the cold air in coarse aggregate storehouse is suctioned out
Cold air is heated by gas, and the air after heating enters coarse aggregate storehouse, quickly realizes that ice-melt is thawed, the cold-producing medium gas of High Temperature High Pressure
Body exothermic condensation in air cooler is liquid, enters low pressure recycle reservoir by condensation water pipe flow and enters subsequent cycle, i.e.,
By arranging high temperature trachea and condensing liquid pipe, it is not necessary to which shutdown just can exclude rapidly jelly storehouse, not affect evaporating temperature, simple structure
It is reliable, it is easy to operation, and extras and the energy need not be increased, reduces antifreeze storehouse cost.
Description of the drawings
Fig. 1 is the structural representation of the first embodiment of Outputting Pre-cooling Concrete production aggregate air cooling system of the present invention.
Fig. 2 is the structural representation that Outputting Pre-cooling Concrete of the present invention produces aggregate second embodiment of air cooling system.
In figure, each label is represented：
1st, coarse aggregate storehouse；11st, especially big building stones storehouse；12nd, big building stones storehouse；13rd, middle building stones storehouse；14th, gravelstone feed bin；2nd, air is cold
But device；3rd, refrigerating plant；31st, condenser；32nd, high-pressure reservoir；33rd, low pressure recycle reservoir；34th, refrigeration compressor；35th, make
Cryogenic fluid pump；4th, high temperature trachea；5th, condense liquid pipe；6th, blower fan.
Specific embodiment
The present invention is described in further details below with reference to Figure of description and specific embodiment.
Fig. 1 shows that Outputting Pre-cooling Concrete of the present invention produces the first embodiment of aggregate air cooling system, the Outputting Pre-cooling Concrete
Production aggregate air cooling system includes coarse aggregate storehouse 1, air cooler 2 and refrigerating plant 3, air cooler 2 and 1 phase of coarse aggregate storehouse
Even, refrigerating plant 3 is connected with air cooler 2, and the connecting line between air cooler 2 and coarse aggregate storehouse 1 is provided with blower fan
6, refrigerating plant 3 includes condenser 31, high-pressure reservoir 32, low pressure recycle reservoir 33, refrigeration compressor 34 and refrigerated medium pump
35, Outputting Pre-cooling Concrete production aggregate air cooling system also includes high temperature trachea 4 and condenses liquid pipe 5, and it is cold that high temperature trachea 4 is connected to air
But, between the refrigeration compressor 34 of device 2 and refrigerating plant 3, condense liquid pipe 5 and be connected to the low of air cooler 2 and refrigerating plant 3
Between pressure circulation reservoir 33, when there is to freeze storehouse in coarse aggregate storehouse 1, height refrigeration compressor 34 discharged by high temperature trachea 4
The refrigerant gas of warm high pressure send into air cooler 2, and the connecting line between air cooler 2 and coarse aggregate storehouse 1 is provided with
Blower fan 6 by coarse aggregate storehouse 1 cold air suction out after be pressed into air cooler 2, the refrigeration of 2 high temperature high pressure of air cooler
Cold air is heated by agent gas, and the air after heating enters coarse aggregate storehouse 1, quickly realizes that ice-melt is thawed, the refrigeration of High Temperature High Pressure
Agent gas exothermic condensation in air cooler 2 is liquid, is entered down after flowing into low pressure recycle reservoir 33 by condensation liquid pipe 5
One circulation, i.e., by arranging high temperature trachea 4 and condensing liquid pipe 5, it is not necessary to which shutdown just can exclude rapidly jelly storehouse, do not affect evaporation temperature
Degree, it is simple and reliable for structure, it is easy to operation, and extras and the energy need not be increased, reduces antifreeze storehouse cost.
Coarse aggregate storehouse 1 generally includes especially big building stones storehouse 11, big building stones storehouse 12, middle building stones storehouse 13 and gravelstone feed bin 14, wherein
What jelly storehouse most easily occurred is gravelstone feed bin 14, ice-melt course of defrosting is entered so that gravelstone feed bin 14 occurs to freeze storehouse as an example in the present embodiment
Row description.
In the present embodiment, air cooler 2 is high in and low out feed flow, and 4 first end of high temperature trachea is connected to refrigeration compressor
Between 34 air vent check valve and air vent stop valve, the second end be connected to the inlet of air-cooler 6 and feed liquor stop valve it
Between, condensing 5 first end of liquid pipe and be connected between the air inlet of low pressure recycle reservoir 33 and feed liquor stop valve, the second end is connected to
Between the gas outlet of air cooler 2 and outlet stop valve, high temperature trachea 4 is provided with stop valve before being connected with other pipelines,
Condense liquid pipe 5 and stop valve, check valve and pressure-regulating valve are installed before being connected with 33 admission line of low pressure recycle reservoir, when
When gravelstone feed bin 14 occurs to freeze storehouse, it is first turned on condensing the stop valve at 5 two ends of liquid pipe, is then shut off 14 corresponding sky of gravelstone feed bin
The feed liquor stop valve and outlet stop valve of Gas Cooler 2, then opens the air cooler 2 of high temperature trachea 4 and gravelstone feed bin 14
Stop valve before feed tube connection, finally opens high temperature trachea 4 and the stop valve before the connection of 34 exhaustor of refrigeration compressor, by height
Warm higher pressure refrigerant gas are sent in the air cooler 2 with gravelstone feed bin 14, between air cooler 2 and gravelstone feed bin 14
The blower fan 6 that connecting line is provided with is pressed into air cooler 2, air cooler 2 after the cold air in gravelstone feed bin 14 is suctioned out
Cold air is heated by the refrigerant gas of high temperature high pressure, and the air after heating enters coarse aggregate storehouse 1, quickly realizes ice-melt solution
Freeze, the refrigerant gas of the High Temperature High Pressure exothermic condensation in the air cooler 2 being connected with gravelstone feed bin 14 is liquid, by with
The inflow low pressure recycle of condensation liquid pipe 5 reservoir 33 that 2 gas returning port of air cooler of gravelstone feed bin 14 is connected is entered and is followed next time
Ring, at the same time other feed bins continuation keep air-cooling aggregate state.
Fig. 2 shows that Outputting Pre-cooling Concrete of the present invention produces second embodiment of aggregate air cooling system, the embodiment and the
A kind of embodiment is essentially identical, differs only in：In the present embodiment, air cooler 2 be low in and high out feed flow, high temperature trachea 4
First end is connected between the air vent check valve of refrigeration compressor 34 and air vent stop valve, and the second end is connected to blower fan 6
Between gas outlet and outlet stop valve, air inlet and air inlet section that 5 first end of liquid pipe is connected to low pressure recycle reservoir 33 are condensed
Only between valve, the second end is connected between the air inlet and air inlet stop valve of air cooler 2, and high temperature trachea 4 is managed with other
Stop valve is installed before road connection, condense liquid pipe 5 be provided with before being connected with 33 admission line of low pressure recycle reservoir stop valve,
Check valve（Check-valves）And pressure-regulating valve, when gravelstone feed bin 14 occurs to freeze storehouse, it is first turned on condensing the cut-off at 5 two ends of liquid pipe
Valve, is then shut off the feed liquor stop valve and outlet stop valve of 14 corresponding air cooler 2 of gravelstone feed bin, then opens High Temperature Gas
Stop valve before 2 muffler of the air cooler connection of pipe 4 and gravelstone feed bin 14, finally opens high temperature trachea 4 and refrigerant compression
Stop valve before the connection of 34 exhaustor of machine, high-temperature high-pressure refrigerant gas is sent in the air cooler 2 with gravelstone feed bin 14,
Cold air in gravelstone feed bin 14 is suctioned out by the blower fan 6 that the connecting line between air cooler 2 and gravelstone feed bin 14 is provided with
Air cooler 2 is pressed into afterwards, and cold air is heated by the refrigerant gas of 2 high temperature high pressure of air cooler, the air after heating
Into coarse aggregate storehouse 1, quickly realize that ice-melt is thawed, the refrigerant gas of High Temperature High Pressure are cold in the air being connected with gravelstone feed bin 14
But in device 2, exothermic condensation is liquid, and the condensation liquid pipe 5 being connected by 2 gas returning port of air cooler with gravelstone feed bin 14 flowed into
Low pressure recycle reservoir 33 is entered and is circulated next time, and at the same time other feed bins continue to keep air-cooling aggregate state.
Although the present invention is disclosed above with preferred embodiment, but it is not limited to the present invention.It is any to be familiar with ability
The technical staff in domain, in the case of without departing from technical solution of the present invention scope, all using the technology contents pair of the disclosure above
Technical solution of the present invention makes many possible variations and modification, or the Equivalent embodiments for being revised as equivalent variations.Therefore, it is every
Without departing from the content of technical solution of the present invention, according to the technology of the present invention essence to any simple modification made for any of the above embodiments,
Equivalent variations and modification, all should fall in the range of technical solution of the present invention protection.
Claims (4)
1. a kind of Outputting Pre-cooling Concrete produces aggregate air cooling system, including coarse aggregate storehouse（1）, air cooler（2）And refrigerating plant
（3）, the air cooler（2）With the coarse aggregate storehouse（1）It is connected, the refrigerating plant（3）With the air cooler（2）
It is connected, the refrigerating plant（3）Including condenser（31）, high-pressure reservoir（32）, low pressure recycle reservoir（33）, refrigerant compression
Machine（34）And refrigerated medium pump（35）, the air cooler（2）With coarse aggregate storehouse（1）Between connecting line be provided with blower fan
（6）, it is characterised in that：The Outputting Pre-cooling Concrete production aggregate air cooling system also includes high temperature trachea（4）With condensation liquid pipe（5）,
The high temperature trachea（4）It is connected to the air cooler（2）With the refrigerating plant（3）Refrigeration compressor（34）Between,
The condensation liquid pipe（5）It is connected to the air cooler（2）With the refrigerating plant（3）Low pressure recycle reservoir（33）It
Between.
2. Outputting Pre-cooling Concrete according to claim 1 produces aggregate air cooling system, it is characterised in that：The air cooler
（2）For high in and low out feed flow, the high temperature trachea（4）First end is connected to the refrigeration compressor（34）Air vent check valve
And air vent stop valve between, the second end is connected to the air cooler（2）Inlet and feed liquor stop valve between, it is described
Condense liquid pipe（5）First end is connected to the low pressure recycle reservoir（33）Air inlet and air inlet stop valve between, the second end
It is connected to the air cooler（2）Gas outlet and outlet stop valve between.
3. Outputting Pre-cooling Concrete according to claim 1 produces aggregate air cooling system, it is characterised in that：The air cooler
（2）For low in and high out feed flow, the high temperature trachea（4）First end is connected to the refrigeration compressor（34）Air vent check valve
And air vent stop valve between, the second end is connected to the air cooler（2）Gas outlet and outlet stop valve between, it is described
Condense liquid pipe（5）First end is connected to the low pressure recycle reservoir（33）Air inlet and air inlet stop valve between, the second end
It is connected to the air cooler（2）Air inlet and air inlet stop valve between.
4. the Outputting Pre-cooling Concrete according to Claims 2 or 3 produces aggregate air cooling system, it is characterised in that：The High Temperature Gas
Pipe（4）Stop valve, the condensation liquid pipe are installed before being connected with other pipelines（5）With air cooler（2）Feed tube or
Stop valve, the condensation liquid pipe are installed before escape pipe connection（5）It is provided with before being connected with low pressure recycle reservoir air inlet pipe
Stop valve, check valve and pressure-regulating valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510495051.0A CN105171921B (en) | 2015-08-13 | 2015-08-13 | Aggregate air-cooling system for pre-cooled concrete production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510495051.0A CN105171921B (en) | 2015-08-13 | 2015-08-13 | Aggregate air-cooling system for pre-cooled concrete production |
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| Publication Number | Publication Date |
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| CN105171921A CN105171921A (en) | 2015-12-23 |
| CN105171921B true CN105171921B (en) | 2017-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04118207A (en) * | 1990-07-11 | 1992-04-20 | Ushio:Kk | Aggregate cooling device for ready-mixed concrete |
| CN1265349A (en) * | 2000-03-31 | 2000-09-06 | 长江水利委员会长江勘测规划设计研究院 | Pre-cooling and twice wind cooling process for concrete aggregate |
| CN204054347U (en) * | 2014-07-31 | 2014-12-31 | 中国水利水电第八工程局有限公司 | Outputting Pre-cooling Concrete produces aggregate air cooler |
| CN205097364U (en) * | 2015-08-13 | 2016-03-23 | 中国水利水电第八工程局有限公司 | Precooling concrete production aggregate forced air cooling system |
-
2015
- 2015-08-13 CN CN201510495051.0A patent/CN105171921B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04118207A (en) * | 1990-07-11 | 1992-04-20 | Ushio:Kk | Aggregate cooling device for ready-mixed concrete |
| CN1265349A (en) * | 2000-03-31 | 2000-09-06 | 长江水利委员会长江勘测规划设计研究院 | Pre-cooling and twice wind cooling process for concrete aggregate |
| CN204054347U (en) * | 2014-07-31 | 2014-12-31 | 中国水利水电第八工程局有限公司 | Outputting Pre-cooling Concrete produces aggregate air cooler |
| CN205097364U (en) * | 2015-08-13 | 2016-03-23 | 中国水利水电第八工程局有限公司 | Precooling concrete production aggregate forced air cooling system |
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| Publication number | Publication date |
|---|---|
| CN105171921A (en) | 2015-12-23 |
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