CN217834179U - Powder cooling system and concrete mixing plant - Google Patents
Powder cooling system and concrete mixing plant Download PDFInfo
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- CN217834179U CN217834179U CN202221763768.0U CN202221763768U CN217834179U CN 217834179 U CN217834179 U CN 217834179U CN 202221763768 U CN202221763768 U CN 202221763768U CN 217834179 U CN217834179 U CN 217834179U
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Abstract
The utility model relates to the field of engineering machinery, and discloses a powder cooling system and a concrete mixing plant, wherein the concrete mixing plant comprises a material guide pipe and a powder bin, the discharge end of the material guide pipe is connected with the feed inlet of the powder bin and is used for inputting powder into the powder bin, and the powder cooling system comprises a first temperature detection unit, a cooling device and a controller; the first temperature detection unit is used for detecting the feeding temperature of the powder bin, the cooling device comprises a cooling module which is arranged at the discharge end of the material guide pipe and used for cooling powder flowing through the discharge end of the material guide pipe, and the controller is respectively electrically connected with the first temperature detection unit and the cooling device. The utility model discloses can effectively guarantee that the powder in the powder storehouse is in suitable temperature range, make the temperature that gets into the powder of the stirring host computer of concrete mixing plant be in suitable temperature range.
Description
Technical Field
The utility model belongs to the engineering machine tool field specifically, relates to a powder cooling system and concrete mixing plant of applied this powder cooling system.
Background
In the concrete mixing plant, in the stirring in-process, when the powder temperature that gets into in the stirring host computer is higher, before the hydration reaction does not take place after the water mixes, a large amount of water can be consumed to a large amount of heat energy that the powder stored, need the replenishment water yield, the water consumption of stirring process has been increased promptly, and, because powder temperature itself is higher, can produce a large amount of heats when recombining the hydration, can lead to obtaining higher temperature concrete, when higher temperature concrete is pour, the moisture evaporation of concrete is fast, the slump loss is big, the speed of condensation appears at the time of causing the pouring easily too fast, the phenomenon of crack appears in intensity reduction and inside.
SUMMERY OF THE UTILITY MODEL
Not enough to the aforesaid among the prior art or defect, the utility model provides a powder cooling system and concrete mixing plant can monitor and in time cool down the temperature of powder.
In order to achieve the above object, the utility model provides a powder cooling system is applied to the concrete mixing plant, the concrete mixing plant includes passage and powder storehouse, the discharge end of passage with the feed inlet of powder storehouse is connected, be used for to powder storehouse input powder, the powder cooling system includes:
the first temperature detection unit is arranged in the powder bin, is close to a feeding hole of the powder bin, and is used for detecting the feeding temperature of the powder bin;
the cooling device comprises a cooling module which is arranged at the discharge end of the material guide pipe and is used for cooling the powder passing through the discharge end of the material guide pipe; and
and the controller is respectively electrically connected with the first temperature detection unit and the cooling device and is used for receiving the temperature signal sent by the first temperature detection unit and sending a control signal to the cooling device.
Optionally, the cooling module is cooling water tank, the heat sink still includes cooling water pool and circulating pump, cooling water pool pass through the outlet pipe with cooling water tank's water inlet links to each other, cooling water pool pass through the wet return with cooling water tank's delivery port links to each other, the circulating pump set up in the outlet pipe or on the wet return.
Optionally, the concrete mixing plant includes a plurality of the powder storehouse, every the powder storehouse all is provided with one the passage and at least one first temperature detecting element, the heat sink includes a plurality of the cooling water tank, it is a plurality of the cooling water tank sets up respectively in a plurality of the discharge end of passage.
Optionally, the water outlet pipe includes a main water outlet pipe and a plurality of branch water outlet pipes, the main water outlet pipe has a water inlet end connected to the cooling water tank and a plurality of water outlet ends, and each water outlet end of the main water outlet pipe is connected to one of the cooling water tanks through one of the branch water outlet pipes.
Optionally, each of the water outlet branch pipes is provided with a control valve.
Optionally, the heat sink still includes coolant tank, coolant tank set up in on the wet return.
Optionally, a feed inlet of the powder bin is located at the top of the powder bin, and the cooling module is mounted on the outer side of the top of the bin and arranged around a discharge end of the material guide pipe.
Optionally, the powder bin further comprises a discharge hole located at the bottom of the bin body, a second temperature detection unit used for detecting the discharge temperature is arranged at the discharge hole, and the controller is electrically connected with the second temperature detection unit and used for receiving the temperature signal sent by the second temperature detection unit.
Optionally, the first temperature detection unit and the second temperature detection unit are both thermocouple sensors.
The utility model also provides a concrete mixing plant, concrete mixing plant includes foretell powder cooling system.
The utility model discloses an among the powder cooling system, can carry out real-time supervision to the powder feed temperature of input powder storehouse through first temperature detecting element, the controller can receive the temperature signal that first temperature detecting element monitored and can send control signal to the heat sink, thus, when the feed temperature that first temperature detecting element detected is too high, the controller can in time receive the feedback, then send the control signal of start to the heat sink through artifical or automatic control's mode, the heat sink starts to realize the cooling through the powder that the cooling module convection current got into the powder storehouse through the passage, through this, can effectively guarantee that the powder in the powder storehouse is in suitable temperature range, the temperature of the powder that makes the stirring host computer that gets into the concrete mixing plant is in suitable temperature range, and then the temperature when making concrete placement is in suitable temperature range, avoid the rate of condensation too fast, intensity reduction and inside cracked problem appear, the quality of concrete has greatly been improved.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a powder cooling system according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a system for reducing temperature of pulverized material in another embodiment.
Description of reference numerals:
1. material guiding pipe
2. Powder bin
3. First temperature detecting unit
4. Cooling device
41. Cooling module of cooling water pool 42
43. Cooling water tank
5. Second temperature detecting unit
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It should be understood that the description herein is provided for illustration and explanation of the invention and is not intended to limit the invention.
It should be noted that, in the case of no conflict, the embodiments and features of the embodiments of the present invention may be combined with each other.
In the present invention, unless stated to the contrary, the use of directional terms such as "upper, lower, top and bottom" are generally used with respect to the orientation shown in the drawings or the positional relationship of the components with respect to each other in the vertical, perpendicular or gravitational direction.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The utility model discloses at first provide a powder cooling system, be applied to the concrete mixing plant.
Referring to fig. 1 and 2, in one embodiment, the concrete mixing plant comprises a material guide pipe 1 and a powder bin 2, wherein a discharge end of the material guide pipe 1 is connected with a feed inlet of the powder bin 2 and is used for inputting powder into the powder bin 2, and the powder cooling system comprises a first temperature detection unit 3, a cooling device 4 and a controller; first temperature detect unit 3 sets up in powder storehouse 2 and the feed inlet of neighbouring powder storehouse to a feed temperature for detecting powder storehouse 2, heat sink 4 is including setting up in the discharge end of passage 1 and being used for carrying out the cooling module 42 that cools down to the powder of the discharge end of passage 1 of flowing through, the controller is connected with first temperature detect unit 3 and heat sink 4 electricity respectively, be used for receiving the temperature signal that first temperature detect unit 3 sent and send control signal to heat sink 4.
It can be understood that, in this powder cooling system, can carry out real-time supervision to the powder feeding temperature of input powder storehouse 2 through first temperature detecting element 3, the controller can receive the temperature signal that first temperature detecting element 3 monitored and can send control signal to heat sink 4, so, when the feeding temperature that first temperature detecting element 3 detected is too high, the controller can in time receive the feedback, then send out the control signal of start to heat sink 4 through artifical or automatic control's mode, heat sink 4 starts to realize the cooling through cooling module 42 to the powder that gets into powder storehouse 2 through passage 1, through this, can effectively guarantee that the powder in powder storehouse 2 is in the appropriate temperature range, the temperature of the powder that makes the stirring host computer that gets into the concrete mixing plant is in the appropriate temperature range, and then the temperature when making concrete pouring is in the appropriate temperature range, avoid the rate of condensation too fast, intensity reduces and the inside crack problem that appears, the quality of concrete has greatly been improved.
In this embodiment, furtherly, powder cooling system still includes the display of being connected with the controller electricity, this display is used for showing the temperature information that first temperature detecting element 3 detected in real time, that is to say, operating personnel accessible display observes the feeding temperature in powder storehouse 2 in real time, when the high temperature, can artificially send the control signal of start to heat sink 4 through the controller, heat sink 4 starts and realizes the cooling, or, through setting for corresponding procedure strategy at the controller, when detecting the feeding temperature of powder storehouse 2 and reaching predetermined temperature value, automatically send the control signal of start to heat sink 4, realize heat sink 4's autonomic start-up cooling.
Specifically, the controller can be in communication with the first temperature detecting unit 3, the cooling module 42 and the display in a wired or wireless connection manner, which is a conventional connection communication manner.
In an embodiment, the cooling module 42 is a cooling water tank, the cooling device 4 further includes a cooling water tank 41 and a circulating pump, the cooling water tank 41 is connected to a water inlet of the cooling water tank through a water outlet pipe, the cooling water tank 41 is connected to a water outlet of the cooling water tank through a water return pipe, and the circulating pump is disposed on the water outlet pipe or the water return pipe.
Through so, constitute circulation cooling circuit between cooling water tank 41 and the cooling water tank, under the drive of circulating pump, the cooling water that flows out from cooling water tank 41 passes through the outlet pipe and gets into the cooling water tank, in the cooling water tank, the cooling water carries out the heat transfer with the powder of the discharge end of the passage 1 of flowing through, the realization is cooled down the powder that gets into powder storehouse 2, then the cooling water after the heat transfer returns back in cooling water tank 41 through the wet return, so, the cooling water constantly circulates between cooling water tank 41 and cooling water tank, reach circulation cooling's purpose.
Furthermore, a plurality of cooling pipelines which are spirally extended and are arranged around the discharge ends of the material guide pipes 1 can be arranged in the cooling water tank, so that cooling water can fully exchange heat with the discharge ends of the material guide pipes 1 when flowing through the cooling pipelines, and the heat exchange efficiency and the effect are improved.
In the present embodiment, the circulation pump is specifically a booster pump or a submersible pump, and is electrically connected to the controller, and is started or stopped upon receiving a control signal from the controller.
In other embodiments, the temperature reduction module 42 may be a blower, and the blower blows air directly to the discharge end of the material guiding pipe 1 continuously to cool the powder flowing through the discharge end of the material guiding pipe 1; the temperature reduction module 42 may also be an evaporator, and cools the powder flowing through the discharge end of the material guide pipe 1 by a refrigeration function of the evaporator.
In an embodiment, as shown in the attached drawing 2, the concrete mixing plant comprises a plurality of powder bins 2, each powder bin 2 is provided with a material guide pipe 1 and at least one first temperature detection unit 3, the cooling device 4 comprises a plurality of cooling water tanks, the plurality of cooling water tanks are respectively arranged at the discharge ends of the plurality of material guide pipes 1, so that the powder cooling system can respectively monitor the feeding temperature of the plurality of powder bins 2 through the plurality of first temperature detection units 3, and can simultaneously and independently cool the feeding of the plurality of powder bins 2 through the cooling device 4.
In an embodiment, the outlet pipe includes that the play water is responsible for and a plurality of outlet branch pipe, and the play water is responsible for and has the end of intaking and a plurality of outlet end of being connected with cooling water tank 41, and the outlet end that every outlet was responsible for all is connected with a cooling water tank through a outlet branch pipe, so sets up, and cooling water tank 41 can be responsible for and a plurality of outlet branch pipe through the play water and supply water for a plurality of cooling water tanks simultaneously respectively, makes each cooling water tank all have good cooling effect.
In this embodiment, the return pipe includes that the return is responsible for and a plurality of return branch pipes, and the return is responsible for and has the play water end and a plurality of the end of intaking of being connected with cooling water tank 41, and every return is responsible for intake and is all connected with a cooling water tank through a return branch pipe, and like this, the cooling water after a plurality of cooling water tank heat exchanges can be responsible for through return branch pipe and return and concentrate the backward flow to cooling water tank 41.
In this embodiment, the main outlet pipe is formed by connecting a plurality of sections of pipe sections, the adjacent two sections of pipe sections are connected through a three-way pipe, the adjacent two sections of pipe sections are respectively connected to the first port and the second port of the three-way pipe, and the third port of the three-way pipe is the main outlet end of the main outlet pipe connected with the branch outlet pipe.
In an embodiment, all be provided with control flap on every outlet branch pipe, can understand ground, the break-make of the all right independent control of every control flap goes out the outlet branch pipe that corresponds, so set up, can make heat sink 4 can concentrate ground and cool down to the too high powder storehouse 2 of feeding temperature, improved the efficiency of cooling.
In the present embodiment, the control valve is a pneumatic valve and is controlled by a pneumatic control box of the concrete mixing plant.
In an embodiment, heat sink 4 still includes coolant tank 43, and coolant tank 43 sets up on the wet return, so sets up, and the cooling water that comes out after the coolant tank heat transfer gets into coolant tank 43 earlier, waits to get back to coolant tank 41 after the cooling water natural cooling again, through like this, can guarantee the cooling effect of the cooling water of coolant tank 41.
Further, a cooling member such as an evaporator may be provided in the cooling water tank 43, so that the cooling capacity of the cooling water tank 43 is improved, and the cooling effect of the cooling water in the cooling water tank 41 is further ensured.
In one embodiment, the feeding hole of the powder bin 2 is located at the top of the bin body of the powder bin 2, and the cooling module 42 is installed at the outer side of the top of the bin body and is arranged around the discharging end of the guide pipe 1.
In an embodiment, a plurality of first temperature detecting units 3 are arranged at intervals around the feeding hole of the powder bin 2 at the inner side of the top of the bin body of the powder bin 2, so that the accuracy of the detection result of the feeding temperature of the powder bin 2 can be effectively improved.
In an embodiment, the powder bin 2 further comprises a discharge hole located at the bottom of the bin body, a second temperature detection unit 5 for detecting the temperature of the discharged material is arranged at the discharge hole, and the controller is electrically connected with the second temperature detection unit 5 and used for receiving the temperature signal sent by the second temperature detection unit 5.
Understandably, the second temperature detection unit 5 can detect the discharging temperature of the powder bin 2 in real time, so as to effectively ensure that the temperature of the powder flowing out of the powder bin 2 is within a proper temperature range, and further ensure that the temperature of the powder entering the stirring host machine of the concrete stirring station is within a proper temperature range.
In this embodiment, second temperature detecting element 5 includes a plurality ofly, and a plurality of second temperature detecting element 5 encircle the discharge gate interval setting of storehouse body bottom, so, can effectively improve the accuracy to the testing result of the ejection of compact temperature of powder storehouse 2.
In one embodiment, the first temperature detection unit 3 and the second temperature detection unit 5 are both thermocouple sensors, and the temperature range that can be monitored is: 0-200 ℃.
The utility model discloses still provide a concrete mixing plant, concrete mixing plant includes the powder cooling system as above. The concrete structure of the powder cooling system refers to the above embodiments, and the concrete mixing plant adopts all technical solutions of all the above embodiments, so that the concrete mixing plant at least has all beneficial effects brought by the technical solutions of the above embodiments, and further description is omitted here.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (10)
1. The utility model provides a powder cooling system, is applied to concrete mixing plant, concrete mixing plant includes passage (1) and powder storehouse (2), the discharge end of passage (1) with the feed inlet of powder storehouse (2) is connected, be used for to powder is imported in powder storehouse (2), its characterized in that, powder cooling system includes:
the first temperature detection unit (3) is arranged in the powder bin (2), is close to a feeding hole of the powder bin, and is used for detecting the feeding temperature of the powder bin (2);
the cooling device (4) comprises a cooling module (42) which is arranged at the discharge end of the material guide pipe (1) and is used for cooling the powder flowing through the discharge end of the material guide pipe (1); and
the controller is respectively electrically connected with the first temperature detection unit (3) and the cooling device (4) and is used for receiving the temperature signal sent by the first temperature detection unit (3) and sending a control signal to the cooling device (4).
2. The powder cooling system of claim 1, wherein the cooling module (42) is a cooling water tank, the cooling device (4) further comprises a cooling water tank (41) and a circulating pump, the cooling water tank (41) is connected with a water inlet of the cooling water tank through a water outlet pipe, the cooling water tank (41) is connected with a water outlet of the cooling water tank through a water return pipe, and the circulating pump is disposed on the water outlet pipe or the water return pipe.
3. The powder cooling system according to claim 2, wherein the concrete mixing plant comprises a plurality of said powder bins (2), each of said powder bins (2) is provided with one of said guiding tubes (1) and at least one of said first temperature detecting units (3), and said cooling device (4) comprises a plurality of said cooling water tanks respectively disposed at discharge ends of said guiding tubes (1).
4. The powder cooling system of claim 3, wherein the outlet pipe comprises a main outlet pipe and a plurality of branch outlet pipes, the main outlet pipe has a water inlet end connected to the cooling water tank (41) and a plurality of water outlet ends, and the water outlet end of each main outlet pipe is connected to one cooling water tank through one branch outlet pipe.
5. The system for reducing the temperature of powdered materials of claim 4, wherein each of the water outlet branch pipes is provided with a control valve.
6. The powder cooling system of claim 2, wherein the cooling device (4) further comprises a cooling water tank (43), and the cooling water tank (43) is arranged on the water return pipe.
7. The powder cooling system of claim 1, wherein the feeding port of the powder bin (2) is located at the top of the powder bin (2), and the cooling module (42) is installed outside the top of the bin and surrounds the discharging end of the guide pipe (1).
8. The powder cooling system according to claim 1, wherein the powder bin (2) further comprises a discharge port located at the bottom of the bin body, a second temperature detection unit (5) for detecting a discharge temperature is arranged at the discharge port, and the controller is electrically connected with the second temperature detection unit (5) and is configured to receive a temperature signal sent by the second temperature detection unit (5).
9. The system for reducing the temperature of powdered materials according to claim 8, wherein the first temperature detection unit (3) and the second temperature detection unit (5) are both thermocouple sensors.
10. A concrete mixing plant, characterized in that it comprises a powder cooling system according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221763768.0U CN217834179U (en) | 2022-07-06 | 2022-07-06 | Powder cooling system and concrete mixing plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221763768.0U CN217834179U (en) | 2022-07-06 | 2022-07-06 | Powder cooling system and concrete mixing plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217834179U true CN217834179U (en) | 2022-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221763768.0U Active CN217834179U (en) | 2022-07-06 | 2022-07-06 | Powder cooling system and concrete mixing plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217834179U (en) |
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2022
- 2022-07-06 CN CN202221763768.0U patent/CN217834179U/en active Active
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