CN210022023U - Natural gas heating device for asphalt mixing plant - Google Patents
Natural gas heating device for asphalt mixing plant Download PDFInfo
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- CN210022023U CN210022023U CN201920466225.4U CN201920466225U CN210022023U CN 210022023 U CN210022023 U CN 210022023U CN 201920466225 U CN201920466225 U CN 201920466225U CN 210022023 U CN210022023 U CN 210022023U
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- heating
- gas
- pipeline
- natural gas
- capillary
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 128
- 238000010438 heat treatment Methods 0.000 title claims abstract description 120
- 239000003345 natural gas Substances 0.000 title claims abstract description 64
- 239000010426 asphalt Substances 0.000 title claims abstract description 25
- 239000007789 gas Substances 0.000 claims abstract description 82
- 239000002912 waste gas Substances 0.000 claims abstract description 53
- 230000008676 import Effects 0.000 claims abstract description 8
- 238000000746 purification Methods 0.000 claims abstract description 6
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000002440 industrial waste Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a natural gas heating device for asphalt mixing plant, including the heating pipeline, the heating pipeline is inside to be divided into air inlet zone, heating zone and gas storage area by the first capillary baffle and the second capillary baffle that set up perpendicularly, be provided with at least one capillary pipeline in the heating zone parallel, the both ends of capillary pipeline pass respectively the capillary baffle gets into air inlet zone and gas storage area, the air inlet zone is linked together through air inlet and outside natural gas storage tank, the gas storage area links to each other through gas outlet and asphalt mixing plant gas end; the gas storage district is equipped with waste gas import and exhaust outlet respectively, waste gas import is linked together with the exhaust outlet after mill's purification, exhaust outlet is equipped with the draught fan. The utility model discloses carry out reuse to industrial waste gas, make waste gas discharge with low temperature, realized "changing useless the energy-conserving effect of treasured", improved the combustion rate of natural gas simultaneously.
Description
Technical Field
The utility model relates to a waste gas recovery utilizes technical field, concretely relates to natural gas heating device for asphalt mixing plant.
Background
The asphalt mixing plant uses natural gas as fuel, the natural gas which is transported is directly used in the prior use process, the temperature of the natural gas is low, and the natural gas is not fully combusted particularly in winter, so that energy is wasted. At present, some factories adopt heating devices when heating natural gas, the device has complex structure, wastes energy in the heating process and has high operation cost.
A large amount of waste gas can be generated in a plurality of factories in the working process, the waste gas is generally directly discharged into the air after being treated, the waste gas usually contains a large amount of heat, the heat is seriously wasted, the pressure of the environment is increased, and the low-carbon society, the energy conservation and the emission reduction which are advocated by the state are not met. According to the current national plan, an industrial area is established in each city, the separation of life and industry is carried out, and the living environment of human beings is improved.
The utility model discloses according to present industry overall arrangement, energy saving and emission reduction and efficient requirement, adopt the waste gas of mill on every side to heat the natural gas before the use and solve current shortcoming.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at prior art not enough, provide a simple structure, reasonable in design, carry out reuse to industrial waste gas, realized "changing useless treasured" energy-conserving effect, improved the natural gas heating device for asphalt mixing plant of the combustion rate of natural gas simultaneously.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a natural gas heating device for an asphalt mixing plant comprises a heating pipeline, wherein the interior of the heating pipeline is divided into an air inlet area, a heating area and an air storage area by a first capillary baffle and a second capillary baffle which are vertically arranged, at least one capillary pipeline is arranged in the heating area in parallel, two ends of each capillary pipeline penetrate through the capillary baffles respectively to enter the air inlet area and the air storage area, the air inlet area is communicated with an external natural gas storage tank through an air inlet, and the air storage area is connected with an air end of the asphalt mixing plant through an air outlet; the gas storage district is equipped with waste gas import and exhaust outlet respectively, waste gas import is linked together with the exhaust outlet after mill's purification, exhaust outlet is equipped with the draught fan.
According to the technical characteristics, natural gas enters the gas inlet area through the gas inlet, then enters the capillary pipeline, enters the gas storage area from the other end of the capillary pipeline, and enters the gas end of the asphalt mixing plant for use through the gas outlet; when natural gas flows in the capillary tube, the natural gas is heated by waste gas in the heating area, the waste gas purified by a factory enters the heating area from the waste gas inlet, heat exchange is carried out between the natural gas in the heating area and the capillary tube, the temperature of the waste gas is lowered, and the waste gas after heat exchange is pumped out by the induced draft fan; the capillary baffle separates the gas inlet area, the heating area and the gas storage area and is communicated by the capillary pipeline, so that the waste gas can only be in the heating area, and the natural gas is positioned in the gas inlet area and the gas storage area.
Preferably, the heating pipelines are at least two in parallel in the vertical direction, heating areas of adjacent heating pipelines are communicated through a waste gas connecting pipeline, and gas storage areas of adjacent heating pipelines are communicated through a natural gas connecting pipeline; the air inlet area of the heating pipeline positioned at the lowest end is communicated with an external natural gas storage tank through an air inlet; the gas inlet area of the heating pipeline positioned at the uppermost end is connected with the gas end of the asphalt mixing plant through a gas inlet; the heating zone of the heating pipeline is communicated with a waste gas outlet purified by an external factory through a pipeline, and the heating zone of the heating pipeline is connected with an external draught fan through the waste gas outlet.
The heating pipelines with corresponding number can be arranged according to the requirement of the temperature of the natural gas, the natural gas enters the corresponding gas inlet area through the gas inlet of the heating pipeline at the lowest end, enters the corresponding gas storage area through the heating area, then enters the gas storage area of the adjacent layer through the natural gas connecting pipeline, then enters the gas inlet area through the heating area from the gas storage area, so that the natural gas moves in an S-shaped curve, and finally is discharged through the gas inlet of the heating pipeline at the lowest end, so that the retention time of the natural gas in the heating pipelines is increased, and the natural gas is fully heated; waste gas enters the uppermost heating zone from a pipeline, then enters the lower heating zone from a waste gas connecting pipeline arranged between adjacent heating pipelines, and finally is extracted from a waste gas outlet of the lowermost heating zone by an induced draft fan; by utilizing the principle that the hot air moves upwards and the cold air sinks downwards, the heat in the waste gas can be fully utilized, the natural gas is fully heated, and the combustion rate of the natural gas is improved.
Preferably, the exhaust gas inlet is located at the lower part of the heating pipeline, and the exhaust gas outlet is located above the heating pipeline at the side far away from the exhaust gas inlet. The residence time of the waste gas in the heating pipeline is prolonged, and the waste gas and the natural gas can fully exchange heat.
Preferably, the air inlet area and the air storage area are respectively provided with a temperature sensor, and the heating area is provided with a pressure sensor. The temperature sensor can enable workers to observe the temperature of the natural gas at any time, so that whether the temperature of the natural gas meets the use requirement or not can be conveniently judged; the pressure sensor is used for monitoring the pressure in the heating area, and the pressure condition of the equipment can be conveniently mastered by a worker at any time.
Preferably, the capillary baffle is uniformly provided with at least one embedding hole, and the embedding hole is hermetically connected with the capillary pipeline. The natural gas is prevented from entering the heating area, and the natural gas and the waste gas are enabled to realize the shunting effect.
Preferably, the bottom of the heating pipeline is provided with a supporting leg, and a universal wheel is arranged below the supporting leg. The equipment is convenient to move, and the position of the equipment can be conveniently adjusted by workers according to specific conditions.
Preferably, a solenoid valve for controlling the flow rate of the exhaust gas is provided at the exhaust gas inlet.
The utility model has the advantages that:
the utility model discloses a capillary baffle divides heating pipeline into air inlet zone, heating zone and gas storage district, heats the natural gas through the waste gas that is located the heating zone, utilizes the energy exchange principle, recycles the residual heat in the waste gas, makes the waste gas of low temperature discharge, has lightened the burden that bears of environment, is favorable to the environmental protection, changes useless treasure, has improved the combustion rate of natural gas simultaneously; the temperature of the natural gas is monitored in real time through a temperature sensor, and the temperature of the natural gas is adjusted through controlling the flow of the waste gas through an electromagnetic valve; the pressure of the heating area is monitored through the pressure sensor, and whether the capillary pipeline leaks air or not is indirectly observed.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another embodiment of the present invention;
fig. 3 is a cross-sectional view of the present invention in fig. 1;
fig. 4 is a cross-sectional view of fig. 2 in accordance with the present invention;
fig. 5 is a schematic structural view of a capillary stop.
In the figure: 1 heating pipeline, 2 air inlets, 3 exhaust gas outlets, 4 draught fans, 5 exhaust gas inlets, 6 air outlets, 7 air inlet regions, 8 heating regions, 9 gas storage regions, 10 capillary pipelines, 11 temperature sensors, 12 pressure sensors, 13 first capillary baffles, 14 second capillary baffles, 15 supporting legs, 16 natural gas connecting pipelines, 17 exhaust gas connecting pipelines and 18 inlaying holes.
Detailed Description
The invention is further described with reference to the following figures and examples.
Example 1
As shown in fig. 1, 3 and 5, a natural gas heating device for an asphalt mixing plant comprises a heating pipeline 1, wherein the heating pipeline 1 is internally divided into an air inlet area 7, a heating area 8 and an air storage area 9 by a first capillary baffle 13 and a second capillary baffle 14 which are vertically arranged, at least one capillary pipeline 10 is arranged in parallel in the heating area 8, at least one embedded hole 18 is uniformly formed in the capillary baffle, two ends of the capillary pipeline 10 respectively penetrate through the embedded holes 18 to enter the air inlet area 7 and the air storage area 9, and the embedded hole 18 is hermetically connected with the capillary pipeline 10; the gas inlet area 7 is communicated with an external natural gas storage tank through a gas inlet 2, and the gas storage area 9 is connected with the gas end of the asphalt mixing plant through a gas outlet 6; the gas storage area 9 is respectively provided with a waste gas inlet 5 and a waste gas outlet 3, the waste gas inlet 5 is positioned at the lower part of the heating pipeline 1, and the waste gas outlet 3 is positioned above the heating pipeline 1 far away from one side of the waste gas inlet 5; the waste gas import is linked together with the waste gas export 3 after mill's purification, waste gas export 3 is equipped with draught fan 4.
The air inlet area 7 and the air storage area 9 are respectively provided with a temperature sensor 11, the heating area 8 is provided with a pressure sensor 12, and the waste gas inlet 5 is provided with an electromagnetic valve for controlling the flow of waste gas.
The bottom of the heating pipeline 1 is provided with a supporting leg 15, and a universal wheel is arranged below the supporting leg 15.
The utility model discloses a theory of operation: the natural gas enters the gas inlet area 7 through the gas inlet 2, then enters the capillary pipeline 10, enters the gas storage area 9 from the other end of the capillary pipeline 10, and enters the gas end of the asphalt mixing plant for use through the gas outlet 6 in the gas storage area 9; the waste gas after factory purification gets into heating zone 8 by waste gas import 5, carries out heat exchange at heating zone 8 and the natural gas in the capillary 10, and waste gas is discharged with low temperature, and the natural gas is discharged with high temperature.
Example 2
As shown in fig. 2, 4 and 5, the natural gas heating device for the asphalt mixing plant comprises at least two heating pipelines 1, wherein the heating pipelines 1 are arranged in parallel in the vertical direction, heating areas 8 of adjacent heating pipelines 1 are communicated with each other through a waste gas connecting pipeline 17, and gas storage areas 9 of adjacent heating pipelines 1 are communicated with each other through a natural gas connecting pipeline 16; the heating pipeline 1 is internally divided into an air inlet area 7, a heating area 8 and an air storage area 9 by a first capillary baffle 13 and a second capillary baffle 14 which are vertically arranged, at least one capillary pipeline 10 is arranged in parallel on the heating area 8, at least one embedding hole 18 is uniformly arranged on the capillary baffles, two ends of the capillary pipeline 10 respectively penetrate through the embedding holes 18 to enter the air inlet area 7 and the air storage area 9, and the embedding holes 18 are hermetically connected with the capillary pipeline 10; the gas inlet area 7 of the heating pipeline 1 positioned at the lowermost end is communicated with an external natural gas storage tank through a gas inlet 2; the gas inlet area 7 of the heating pipeline 1 positioned at the uppermost end is connected with the gas end of the asphalt mixing plant through the gas inlet 2; the heating zone 8 of the heating pipeline 1 that is located the top is linked together through exhaust outlet 3 after pipeline and the purification of outside mill, is located the bottom the heating zone 8 of the heating pipeline 1 links to each other with outside draught fan 4 through exhaust outlet 3.
Be located the bottommost intake zone 7 on the heating pipeline 1 and be located the top intake zone 7 on the heating pipeline 1 all is equipped with temperature sensor 11 the heating zone 8 of heating pipeline 1 all is equipped with pressure sensor 12 be equipped with the solenoid valve that is used for controlling exhaust-gas flow on the pipeline.
The bottom of the heating pipeline 1 is provided with a supporting leg 15, and a universal wheel is arranged below the supporting leg 15.
The utility model discloses a theory of operation: the natural gas enters the corresponding gas inlet area 7 through the gas inlet 2 of the heating pipeline 1 at the lowest end, enters the corresponding gas storage area 9 through the heating area 8, then enters the gas storage area 9 of the adjacent layer through the natural gas connecting pipeline 16, then enters the gas inlet area 7 through the heating area 8 from the gas storage area 9, so that the natural gas moves in an S-shaped curve, and finally is discharged through the gas inlet 2 of the heating pipeline 1 at the lowest end; waste gas enters the uppermost heating zone 8 through a pipeline, enters the lower heating zone 8 through a waste gas connecting pipeline 17 arranged between adjacent heating pipelines 1, and is finally pumped out from a waste gas outlet 3 of the lowermost heating zone 8 through an induced draft fan 4; the natural gas and the waste gas are subjected to heat exchange in each heating zone 8, so that the waste gas is discharged at a low temperature and the natural gas is discharged at a high temperature.
The apparatus elements referred to in the above embodiments are conventional apparatus elements unless otherwise specified, and the structural arrangements, operations, or controls referred to in the above embodiments are conventional in the art unless otherwise specified.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. A natural gas heating device for an asphalt mixing plant is characterized by comprising a heating pipeline, wherein the heating pipeline is internally divided into an air inlet area, a heating area and a gas storage area by a first capillary baffle and a second capillary baffle which are vertically arranged, at least one capillary pipeline is arranged in the heating area in parallel, two ends of the capillary pipeline respectively penetrate through the capillary baffles to enter the air inlet area and the gas storage area, the air inlet area is communicated with an external natural gas storage tank through an air inlet, and the gas storage area is connected with a gas end of the asphalt mixing plant through an air outlet; the gas storage district is equipped with waste gas import and exhaust outlet respectively, waste gas import is linked together with the exhaust outlet after mill's purification, exhaust outlet is equipped with the draught fan.
2. The natural gas heating apparatus for asphalt mixing plant according to claim 1, wherein the heating pipes are at least two pipes arranged in parallel in the vertical direction, the heating zones of adjacent heating pipes are communicated with each other through an exhaust gas connecting pipe, and the gas storage zones of adjacent heating pipes are communicated with each other through a natural gas connecting pipe; the air inlet area of the heating pipeline positioned at the lowest end is communicated with an external natural gas storage tank through an air inlet; the gas inlet area of the heating pipeline positioned at the uppermost end is connected with the gas end of the asphalt mixing plant through a gas inlet; the heating zone of the heating pipeline is communicated with a waste gas outlet purified by an external factory through a pipeline, and the heating zone of the heating pipeline is connected with an external draught fan through the waste gas outlet.
3. The natural gas heating apparatus for an asphalt mixing plant according to claim 1, wherein said exhaust gas inlet is located at a lower portion of said heating pipe, and said exhaust gas outlet is located above said heating pipe on a side remote from said exhaust gas inlet.
4. The natural gas heating apparatus for an asphalt mixing plant according to claim 1 or 2, wherein a temperature sensor is provided in each of the gas inlet section and the gas storage section, and a pressure sensor is provided in the heating section.
5. The natural gas heating device for the asphalt mixing plant according to claim 1, wherein at least one inlaid hole is uniformly formed in the capillary baffle plate, and the inlaid hole is hermetically connected with the capillary pipeline.
6. The natural gas heating apparatus for asphalt mixing plant according to claim 1, wherein a support leg is provided at the bottom of the heating pipeline, and a universal wheel is provided below the support leg.
7. The natural gas heating apparatus for an asphalt mixing plant according to claim 1, wherein a solenoid valve for controlling the flow rate of exhaust gas is provided at the exhaust gas inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920466225.4U CN210022023U (en) | 2019-04-09 | 2019-04-09 | Natural gas heating device for asphalt mixing plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920466225.4U CN210022023U (en) | 2019-04-09 | 2019-04-09 | Natural gas heating device for asphalt mixing plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210022023U true CN210022023U (en) | 2020-02-07 |
Family
ID=69358224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920466225.4U Expired - Fee Related CN210022023U (en) | 2019-04-09 | 2019-04-09 | Natural gas heating device for asphalt mixing plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210022023U (en) |
-
2019
- 2019-04-09 CN CN201920466225.4U patent/CN210022023U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200612 Address after: 457000 No.2 factory of incubation industrial park at the intersection of Jinger road and Jinhu Road, Puyang City, Henan Province Patentee after: Puyang Tianyi Machinery Technology Co.,Ltd. Address before: 457001 Hualong District, Puyang City, Henan Province, No. 2 Hatching Industrial Park at the Intersection of Jinglu Road and Jinhu Road Patentee before: HENAN CHARUI SPECIAL EQUIPMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200207 |
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| CF01 | Termination of patent right due to non-payment of annual fee |