CN207888931U - A kind of heating device for concrete mixer - Google Patents
A kind of heating device for concrete mixer Download PDFInfo
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- CN207888931U CN207888931U CN201820086428.6U CN201820086428U CN207888931U CN 207888931 U CN207888931 U CN 207888931U CN 201820086428 U CN201820086428 U CN 201820086428U CN 207888931 U CN207888931 U CN 207888931U
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Abstract
The utility model discloses a kind of heating devices for concrete mixer, it is related to technical field of concrete preparation, including water tank, heating component and blender, heating component includes heater box and heater, heater includes electrothermal tube and the heating wire that is located in electrothermal tube, the first water inlet and the first water outlet are offered in heater box respectively, heater box side is equipped with heat exchanger, the second water inlet and the second water outlet are offered on heat exchanger respectively, first water inlet and the first water outlet are separately connected the second water inlet and the second water outlet by the first water-supply-pipe, second water inlet and the second water outlet connect water tank and blender by the second water-supply-pipe respectively, heater box top is further opened with steam port, heating coil is connected between steam port and blender.Vapor is obtained using heating component, and the boiling water cooperation heat exchanger obtained using heating component obtains the warm water for blender, the heat for making full use of heating device to generate improves energy utilization rate.
Description
Technical field
The utility model is related to technical field of concrete preparation, more specifically, it relates to which a kind of stir for concrete
The heating device of machine.
Background technology
Concrete is the most basic bottom material of building, is generally formed by cement, water, sandstone mixed preparing, mixed preparing is good
Concrete can be used for manufacturing brick, construction material.Concrete mixer is the mixing of cement, sandstone aggregate and water and mixing is at mixed
The machinery of solidifying soil mixture, mainly by mix cylinder, charging and shedding mechanism, water system, prime mover, transmission mechanism, rack and
The compositions such as supporting arrangement.
Winter temperature declines, and at 0 DEG C or less (i.e. subzero temperature), concrete mixer prepares mixed many local temperatures under subzero temperature
When solidifying soil, the moisture contained by cement, mortar etc. is easy to freeze, and manufactured construction material is easy embrittlement, is brought perhaps to construction
Mostly difficult, therefore, the scheme of hot water is added into blender for prior art generally use.If environment temperature is very low, Jin Jinjia
Hot water is not met by requirement, it is also necessary to and vapor is blasted into blender, and material is heated on the basis of dry stirring,
The stirrings such as other cementitious materials and water are added after to certain temperature.
But since cement cannot be in direct contact with 80 DEG C or more of water, the boiling water for generating vapor needs first to carry out cold
But blender could be injected, and this partial heat is just wasted, and reduces energy utilization rate.
Utility model content
Problem in view of the prior art, the utility model provide a kind of heating device for concrete mixer, pass through
Heating component and heat exchanger are set between water tank and blender, obtain vapor using heating component, and utilize heating
The boiling water cooperation heat exchanger that component obtains obtains the warm water for blender, and the heat for making full use of heating device to generate carries
High energy source utilization rate.
To achieve the above object, the utility model provides following technical solution：
A kind of heating device for concrete mixer, which is characterized in that including water tank, heating component and stirring
Machine, the heating component include heater box and the heater that is arranged in heater box, and the heater includes electrothermal tube and sets
The heating wire in electrothermal tube is set, offers the first water inlet and the first water outlet, the heater box in the heater box respectively
Side is provided with heat exchanger, offers the second water inlet and the second water outlet on the heat exchanger respectively, described first into
The mouth of a river and the first water outlet are separately connected the second water inlet and the second water outlet by the first water-supply-pipe, second water inlet and
Second water outlet connects water tank by the second water-supply-pipe respectively and blender, the heater box top are further opened with steam port,
It is connected with heating coil between the steam port and blender.
Through the above technical solutions, heating wire is given to be powered, electrothermal wire heating, the cold water in heater box is heated by electrothermal tube to be risen
Until boiling, the vapor of generation is discharged temperature through steam port, and is transported to blender through heating coil, is heated on the basis of dry stirring
Aggregate.To after certain temperature, water tank conveys cold water into heat exchanger by the second water-supply-pipe, and the boiling water in heater box passes through
First water-supply-pipe also enters heat exchanger, and heat exchange occurs in a heat exchanger for cold water and boiling water, and temperature of cold water rises to warm water is simultaneously
It is transported to blender, the warm water after boiling water cooling is again introduced into heater box, and warm water is heated to boiling water and is easier to, and saves energy
Source.Cold water is heated using boiling water, the heat for making full use of heating device to generate, energy utilization rate height.
Further, the heat exchanger includes shell and the heat-exchange tube that is set in shell, the heat-exchange tube
Both ends be separately connected the second water inlet and the second water outlet.
Through the above technical solutions, the cold water in water tank enters heat-exchange tube through the second water-supply-pipe, the heat in heater box
Water enters heat-exchange tube through the first water-supply-pipe, to which heat exchange occurs in heat-exchange tube for cold water and boiling water, improves heat
Utilization rate.
Further, the heat-exchange tube includes the hot-water line of internal layer and the cold water pipe that is wrapped on the outside of hot-water line, institute
It states hot-water line both ends and the first water inlet and the first water outlet is separately connected by first water-supply-pipe, the cold water pipe both ends are logical
It crosses second water-supply-pipe and is separately connected water tank and blender.
Through the above technical solutions, cold water flows into cold water pipe from water tank, boiling water flows into hot-water line, cold water pipe from heater box
It is wrapped in hot-water line, hot water transfers heat to cold water, makes temperature of cold water rises.
Further, the hot-water line includes the main pipe and axially uniform around main pipe being located at heat-exchange tube center
The multiple branch pipes being arranged, the branch pipe both ends are connected to main pipe, and the main pipe both ends are distinguished by first water-supply-pipe
Connect the first water inlet and the first water outlet.
Through the above technical solutions, contact of the hot-water line with cold water pipe is more abundant, heat conduction efficiency higher, so as to
Cold water is quickly heated, the heat of boiling water is made full use of.
Further, the heat-exchange tube is twist arranged.
Through the above technical solutions, increasing the length of heat-exchange tube, extend the time of hot water and cold water heat exchange, to
So that heat exchange is more abundant, the efficiency of heating surface is improved.
Further, the first insulating layer is provided between the shell and heat-exchange tube.
Through the above technical solutions, reducing the loss of heat using the first insulating layer, the utilization rate of heat is improved.
Further, the heating coil includes the appendix made of magnetic conductive metal for connecting steam port and blender, institute
It states and is arranged with electromagnetic coil on the outside of appendix, the electromagnetic coil is electrically connected with AC power.
Through the above technical solutions, electric current flows through electromagnetic coil, the alternating magnetic field of variation, the alternation in alternating magnetic field are generated
The magnetic line of force generates many small vortex by appendix in appendix, and making appendix itself, voluntarily high speed is generated heat, to make gas transmission
High temperature is kept in pipe, reduces the condensation during water vapor transport.
Further, it is enclosed with the second insulating layer on the outside of the appendix.
Through the above technical solutions, reducing the loss of heating coil heat using the second insulating layer, heat utilization ratio is improved, is saved
The energy.
Compared with prior art, the utility model has the beneficial effects that：
(1) by the way that heating component and heat exchanger are arranged between water tank and blender, water is obtained using heating component
Steam, and the boiling water cooperation heat exchanger obtained using heating component obtains the warm water for blender, and heating is made full use of to fill
The heat of generation is set, energy utilization rate is improved；
(2) by setting heating coil to be arranged with the metal appendix of electromagnetic coil, electromagnetic induction heating, heating are utilized
Soon, long lifespan.
Description of the drawings
Fig. 1 is the overall schematic of the utility model；
Fig. 2 is the structural schematic diagram of heater in the utility model；
Fig. 3 is the partial schematic diagram at heating component in the utility model；
Fig. 4 is the diagrammatic cross-section of heat-exchange tube in the utility model；
Fig. 5 is the partial sectional view of heating coil in the utility model.
Reference numeral：1, water tank；2, heating component；21, heater box；22, the first water inlet；23, the first water outlet；
24, steam port；25, heater；251, electrothermal tube；252, heating wire；3, blender；4, heating coil；41, appendix；42, electromagnetic wire
Circle；43, the second insulating layer；5, AC power；6, heat exchanger；61, shell；62, the second water inlet；63, the second water outlet；
64, heat-exchange tube；641, hot-water line；642, cold water pipe；643, main pipe；644, branch pipe；7, the first water-supply-pipe；8, the second water delivery
Pipe；9, suction pump；10, feed pump；11, holder.
Specific implementation mode
With reference to the accompanying drawings and examples, the utility model is described in detail.
A kind of heating device for concrete mixer, referring to Fig. 1, including water tank 1, heating component 2 and stirring
Machine 3 is provided with holder 11 between water tank 1 and blender 3, heating component 2 includes the heater box 21 being fixed on holder 11, is added
The first water inlet 22 and the first water outlet 23 are offered on 21 side wall of hot tank respectively, steam port 24, steam port are offered on top surface
Heating coil 4 is connected between 24 and blender 3.Having heaters 25 is fixed in heater box 21, in conjunction with Fig. 2, heater 25 includes electric heating
Pipe 251, heating wire 252 is provided in electrothermal tube 251, and heating wire 252 is electrically connected with extraneous AC power 5.Electric current passes through electric heating
Silk 252, heating wire 252 generates heat, and is heated to the water in heater box 21 by electrothermal tube 251.Water in heater box 21
After boiling, the vapor of generation is discharged through steam port 24, and is transported to blender 3 through heating coil 4, is heated on the basis of dry stirring
Aggregate.
As shown in Figure 1,11 lower section of holder is provided with heat exchanger 6, heat exchanger 6 includes shell 61, is distinguished on shell 61
Offer the second water inlet 62 and the second water outlet 63, in conjunction with Fig. 3, shell 61 is internally provided with heat-exchange tube 64, shell 61 with
The first insulating layer is provided between heat-exchange tube 64（It is not shown in figure）, in the present embodiment, the first insulating layer is made of mineral wool.
In conjunction with Fig. 3 and Fig. 4, heat-exchange tube 64 includes the hot-water line 641 of internal layer and is wrapped in cold on the outside of hot-water line 641
Water pipe 642.To keep hot-water line 641 and the contact of cold water pipe 642 more abundant, heat conduction efficiency higher, heat-exchange tube 64 is in spiral shell
Revolve shape setting, and hot-water line 641 includes being located at main pipe 643 at 64 center of heat-exchange tube and axial around main pipe 643
Multiple branch pipes 644 of even setting.644 both ends of branch pipe are connected to main pipe 643, and 643 both ends of main pipe pass through the second water inlet 62
It is separately connected the first water inlet 22 and the first water outlet 23 with the second water outlet 63 and by the first water-supply-pipe 7.
As shown in Figure 1, being fixed with suction pump 9 on holder 11, the intake-outlet of suction pump 9 passes through the first water-supply-pipe 7 respectively
Connect main pipe 643 and the first water inlet 22.642 both ends of cold water pipe are separately connected the second water inlet 62 and the second water outlet 63,
Feed pump 10 is provided between second water inlet 62 and water tank 1, the intake-outlet of feed pump 10 is connected by the second water-supply-pipe 8
Water tank 1 and the second water inlet 62, the second water outlet 63 connect blender 3 by the second water-supply-pipe 8.In the present embodiment, draw water
Pump 9 and feed pump 10 are all made of centrifugal pump.
After the aggregate in blender 3 is heated to certain temperature by vapor, with feed pump 10 by the cold water in water tank 1
Deliver into cold water pipe 642 through the second water-supply-pipe 8, the boiling water in heater box 21 from the first water outlet 23 through the first water-supply-pipe 7 into
Enter hot-water line 641, to which heat exchange occurs in heat-exchange tube 64 for cold water and boiling water, temperature of cold water rises to warm water is simultaneously transported to
Aggregate in blender 3, with blender 3 is stirred, and ensures the concrete quality that blender 3 prepares.After boiling water cooling
Warm water heater box 21 is pumped by suction pump 9 again, and warm water is heated to boiling water and is easier to, energy saving.
Since vapor easily condenses to the cold, for reduce vapor transmit in heating coil 4 when be condensed into water, in conjunction with Fig. 1 with
Fig. 5, heating coil 4 includes appendix 41 made of magnetic conductive metal of connection steam port 24 and blender 3, defeated in the present embodiment
Tracheae 41 uses seamless steel pipe, 41 outside of appendix to be arranged with electromagnetic coil 42, and electromagnetic coil 42 is electrically connected with extraneous AC power 5
It connects.Electric current flows through electromagnetic coil 42, generates the alternating magnetic field of variation, the alternate magnetic force line in alternating magnetic field by appendix 41,
Many small vortex are generated in appendix 41, making appendix 41 itself, voluntarily high speed is generated heat, to make to keep high in appendix 41
Temperature reduces the condensation during water vapor transport.Simultaneously to reduce the loss of 41 heat of appendix, 41 outside of appendix is enclosed with
Second insulating layer 43, in the present embodiment, the second insulating layer 43 is made of heat insulation felt.
The operation principle and advantageous effect of the present embodiment are：
It is powered to the heating wire 252 in heater 25, heating wire 252 generates heat, and is heated to the water in heater box 21.If
Outside air temperature is relatively low, can electromagnetic coil 42 be connected AC power 5, so that heating coil 4 is heated up, then the water in heater box 21 is heated to
Boiling, generates vapor, and vapor sheds through steam port 24 and is transmitted to blender 3 through heating coil 4.Add on the basis of dry stirring
Hot aggregate, until reaching certain temperature.
The cold water in water tank 1 is conveyed through the second water-supply-pipe 8 into the cold water pipe in heat exchanger 6 using feed pump 10
642, the hot water in heater box 21 enters hot-water line 641 from the first water outlet 23 through the first water-supply-pipe 7, to which cold water and boiling water exist
Occur heat exchange in heat-exchange tube 64, temperature of cold water rises to the warm water and aggregate being transported in blender 3, with blender 3 stirs
Mixing is mixed, ensures the concrete quality that blender 3 prepares.Warm water after boiling water cooling is pumped into heating by suction pump 9 again
Case 21, and warm water is heated to boiling water and is easier to, it is energy saving.The heat of heating device is made full use of by heat exchanger 6, is improved
Energy utilization rate.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (8)
1. a kind of heating device for concrete mixer, which is characterized in that including water tank（1）, heating component（2）And
Blender（3）, the heating component（2）Including heater box（21）With setting in heater box（21）In heater（25）, described
Heater（25）Including electrothermal tube（251）And it is arranged in electrothermal tube（251）In heating wire（252）, the heater box（21）
It is upper to offer the first water inlet respectively（22）With the first water outlet（23）, the heater box（21）Side is provided with heat exchanger
（6）, the heat exchanger（6）It is upper to offer the second water inlet respectively（62）With the second water outlet（63）, first water inlet
（22）With the first water outlet（23）Pass through the first water-supply-pipe（7）It is separately connected the second water inlet（62）With the second water outlet（63）,
Second water inlet（62）With the second water outlet（63）Pass through the second water-supply-pipe respectively（8）Connect water tank（1）And blender
（3）, the heater box（21）Top is further opened with steam port（24）, the steam port（24）With blender（3）Between be connected with
Heating coil（4）.
2. the heating device according to claim 1 for concrete mixer, which is characterized in that the heat exchanger
（6）Including shell（61）And it is set to shell（61）Interior heat-exchange tube（64）, the heat-exchange tube（64）Both ends difference
Connect the second water inlet（62）With the second water outlet（63）.
3. the heating device according to claim 2 for concrete mixer, which is characterized in that the heat-exchange tube
（64）Hot-water line including internal layer（641）And it is wrapped in hot-water line（641）The cold water pipe in outside（642）, the hot-water line
（641）Both ends pass through first water-supply-pipe（7）It is separately connected the first water inlet（22）With the first water outlet（23）, the cold water
Pipe（642）Both ends pass through second water-supply-pipe（8）It is separately connected water tank（1）And blender（3）.
4. the heating device according to claim 3 for concrete mixer, which is characterized in that the hot-water line
（641）Including being located at heat-exchange tube（64）Main pipe at center（643）And around main pipe（643）What is be axially uniformly arranged is more
A branch pipe（644）, the branch pipe（644）Both ends and main pipe（643）Connection, the main pipe（643）Both ends pass through described
One water-supply-pipe（7）It is separately connected the first water inlet（22）With the first water outlet（23）.
5. the heating device according to claim 2 for concrete mixer, which is characterized in that the heat-exchange tube
（64）Twist it is arranged.
6. the heating device according to claim 2 for concrete mixer, which is characterized in that the shell（61）With
Heat-exchange tube（64）Between be provided with the first insulating layer.
7. the heating device according to claim 1 for concrete mixer, which is characterized in that the heating coil（4）Packet
Include connection steam port（24）And blender（3）Appendix（41）, the appendix（41）Outside is arranged with electromagnetic coil（42）.
8. the heating device according to claim 7 for concrete mixer, which is characterized in that the appendix（41）
Outside is enclosed with the second insulating layer（43）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820086428.6U CN207888931U (en) | 2018-01-18 | 2018-01-18 | A kind of heating device for concrete mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820086428.6U CN207888931U (en) | 2018-01-18 | 2018-01-18 | A kind of heating device for concrete mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207888931U true CN207888931U (en) | 2018-09-21 |
Family
ID=63545026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820086428.6U Active CN207888931U (en) | 2018-01-18 | 2018-01-18 | A kind of heating device for concrete mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207888931U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112809912A (en) * | 2021-04-21 | 2021-05-18 | 烟台鑫隆建材有限公司 | Mixing device for coke oven checker brick production |
| CN114434643A (en) * | 2021-12-28 | 2022-05-06 | 苏州良浦住宅工业有限公司 | Concrete mixing water heating method |
-
2018
- 2018-01-18 CN CN201820086428.6U patent/CN207888931U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112809912A (en) * | 2021-04-21 | 2021-05-18 | 烟台鑫隆建材有限公司 | Mixing device for coke oven checker brick production |
| CN114434643A (en) * | 2021-12-28 | 2022-05-06 | 苏州良浦住宅工业有限公司 | Concrete mixing water heating method |
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