CN210624544U - Waste gas waste heat utilization pipeline applied to environment-friendly and energy-saving hot air drying system - Google Patents
Waste gas waste heat utilization pipeline applied to environment-friendly and energy-saving hot air drying system Download PDFInfo
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- CN210624544U CN210624544U CN201921446066.8U CN201921446066U CN210624544U CN 210624544 U CN210624544 U CN 210624544U CN 201921446066 U CN201921446066 U CN 201921446066U CN 210624544 U CN210624544 U CN 210624544U
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- Prior art keywords
- pipe
- drying system
- hot air
- air inlet
- exhaust pipe
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- 239000002912 waste gas Substances 0.000 title claims abstract description 31
- 238000007602 hot air drying Methods 0.000 title claims abstract description 30
- 239000002918 waste heat Substances 0.000 title claims abstract description 24
- 229910052751 metal Inorganic materials 0.000 claims abstract description 41
- 239000002184 metal Substances 0.000 claims abstract description 41
- 239000012855 volatile organic compound Substances 0.000 claims abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 36
- 229910052742 iron Inorganic materials 0.000 claims description 18
- 239000007789 gas Substances 0.000 claims description 14
- 229910000838 Al alloy Inorganic materials 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000009998 heat setting Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a be applied to energy-concerving and environment-protective hot air drying system's waste gas waste heat utilization pipeline, include: the exhaust pipe comprises a metal pipeline, a heat reflecting layer and a heat insulating layer, wherein an exhaust port is arranged at the R end of the metal pipeline and is communicated with an air inlet of a terminal VOCs centralized processing device; the air inlet pipe is arranged in the exhaust pipe, the R end of the air inlet pipe penetrates through the hole position arranged at the R end of the exhaust pipe and is communicated with the air inlet of the hot air drying system, and the L end of the air inlet pipe penetrates out of the L end of the exhaust pipe and seals the L end of the exhaust pipe. The utility model discloses a waste gas waste heat utilization pipeline, the utilization waste gas that can be fine preheats the low temperature air, reduces the hot air drying system heating device energy consumption, realizes energy-conserving effect.
Description
Technical Field
The utility model relates to a waste gas waste heat recovery utilizes technical field, concretely relates to be applied to energy-concerving and environment-protective hot air drying system's waste gas waste heat utilization pipeline.
Background
The waste heat recovery is to extract the energy of the waste gas discharged by the heat setting machine to heat the air inlet temperature of the low-temperature air required by the heat setting machine, so as to achieve the purposes of reducing the discharge temperature of the waste gas and saving the energy of the heat setting machine.
In the flexible package gravure process, need carry out hot air drying to printing ink, hot air drying link needs to consume very big energy and maintains hot-blast drying temperature, but along with the hot-blast admission exhaust pipe that carries volatile gas, if do not carry out the recycle of certain degree to the hot-blast heat energy that has of exhaust gas in the admission exhaust pipe, will cause the waste of very most heat energy, be not conform to the sustainable development direction of environmental protection, and carry the air of volatile gas when getting into the concentrated combustion processing in the RTO device, also need preheat the air that carries volatile gas that gets into, consequently, the hot-blast heat of exhaust gas can not be retrieved completely in waste gas waste heat recovery link, need to make waste gas have higher temperature.
Disclosure of Invention
The utility model aims at overcoming above-mentioned prior art not enough, providing a be applied to energy-concerving and environment-protective hot air drying system's waste gas waste heat utilization pipeline, through the recycle to the heat energy in the waste gas is hot-blast realize energy-conserving effect, can guarantee moreover to get into the volatile gas that carries out centralized processing in the RTO device and still have higher temperature.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a be applied to waste gas waste heat utilization pipeline of energy-concerving and environment-protective hot air drying system, includes: the exhaust pipe is used for pumping and exhausting waste gas containing VOCs discharged by a drying box of a hot air drying system and comprises a metal pipeline, a heat reflecting layer and a heat insulating layer, the R end of the metal pipeline is an exhaust port and is communicated with an air inlet of a terminal VOCs centralized processing device, a plurality of waste gas air inlets are formed in the middle section of the metal pipeline, each air inlet is communicated with the exhaust port of one drying box, the heat reflecting layer is arranged inside the metal pipeline, and the heat insulating layer is arranged on the outer wall of the metal pipeline; the air inlet pipe is a metal pipeline and is arranged in the exhaust pipe and used for providing low-temperature air for the drying box of the hot air drying system, the R end of the air inlet pipe penetrates through the hole position of the R end of the exhaust pipe and is communicated with the air inlet of the hot air drying system, and the L end of the air inlet pipe penetrates out of the L end of the exhaust pipe and seals the L end of the exhaust pipe.
Furthermore, the exhaust pipe is formed by fixing a plurality of sections of metal pipelines in screw holes through bolts.
Furthermore, a fixing ring is further arranged at the joint of the two sections of metal pipelines of the exhaust pipe and used for fixing the air inlet pipe arranged in the exhaust pipe.
Furthermore, the metal pipeline of the exhaust pipe is made of a galvanized sheet.
Furthermore, the air inlet pipe is formed by connecting a plurality of sections of metal pipelines through a welding process.
Furthermore, the material of intake pipe is the aluminum alloy.
Further, the air inlet pipe is composed of N metal pipes, wherein N is more than or equal to 1 and less than or equal to 10, and N =1 is preferable.
Furthermore, when intake pipe tubular metal resonator quantity N satisfies 2 and is less than or equal to N, the intake pipe comprises the interlude that many tubular metals in the middle of inlet end, the end of giving vent to anger and inlet end and the end of giving vent to anger were constituteed, the inlet end, the end of giving vent to anger and interlude link up the department and be the closed end face, be provided with the fixed orifices unanimous with interlude tubular metal resonator quantity on the closed end face, the fixed orifices passes through welding process with the tubular metal resonator of interlude and is connected.
The utility model has the advantages that:
the utility model discloses a waste gas waste heat utilization pipeline, the heat energy transmission of the high temperature waste gas in with the blast pipe through the aluminum alloy tubular metal resonator of high thermal conductivity gives the low temperature air in the intake pipe, fine preheats the new air, make full use of the heat energy of high temperature waste gas, reduce hot air drying system heating device energy consumption, guarantee simultaneously that waste gas still has higher temperature when getting into RTO centralized combustion processing apparatus, do not need RTO centralized combustion apparatus to carry out the waste heat to waste gas, realize energy-conserving effect.
Drawings
Fig. 1 is a schematic view of a waste heat utilization pipeline according to a first embodiment of the present invention;
fig. 2 is a cross-sectional view of an L-end R-R line of a waste heat utilization pipe according to a first embodiment of the present invention;
fig. 3 is a schematic structural view of a connection end surface of an exhaust pipe according to a first embodiment of the present invention;
fig. 4 is a schematic view of a waste heat utilization pipe structure according to a second embodiment of the present invention;
fig. 5 is a cross-sectional view of an L-end R-R line of the waste heat utilization pipe according to the second embodiment of the present invention;
fig. 6 is a schematic structural view of a connection end surface of an exhaust pipe according to a second embodiment of the present invention;
in the figure: 1. the exhaust pipe comprises an exhaust pipe body 11, a metal pipeline body 12, a heat reflecting layer 13, an insulating layer 14, an exhaust port 15, an exhaust gas inlet 16, a hole site 17, a bolt 18, a screw hole 18, a fixing ring 19, an air inlet pipe 2, an air inlet end 21, an air outlet end 22, a middle section 23, a closed end face 24, a fixing hole 25 and a connecting pipeline 3.
Detailed Description
The drawings are only for illustrative purposes and are not to be construed as limiting the patent, and the technical solution of the present invention is further described with reference to the drawings and the embodiments.
Example one
As shown in fig. 1 to 3, a waste gas waste heat utilization pipe applied to an environment-friendly and energy-saving hot air drying system includes: the exhaust pipe 1 is used for pumping and exhausting waste gas containing VOCs discharged by a drying box of a hot air drying system and consists of a metal pipeline 11, a heat reflecting layer 12 and a heat insulating layer 13, the R end of the metal pipeline 11 is an exhaust port 14 and is communicated with an air inlet of a terminal VOCs centralized processing device, the middle section of the metal pipeline 11 is provided with a plurality of waste gas air inlets 15, each air inlet 15 is communicated with an exhaust port of one drying box, the heat reflecting layer 12 is arranged inside the metal pipeline, and the heat insulating layer 13 is arranged on the outer wall of the metal pipeline 11; the air inlet pipe 2 is a metal pipeline and is arranged inside the exhaust pipe 1 and used for providing low-temperature air for a drying box of the hot air drying system, the R end of the air inlet pipe 1 penetrates into the air inlet 16 of the R end of the exhaust pipe 1 and is communicated with an air inlet of the hot air drying system, and the L end of the air inlet pipe 2 penetrates out of the L end of the exhaust pipe 1 and seals the L end of the exhaust pipe 1.
In this embodiment, the exhaust pipe 1 is formed by fixing a plurality of sections of galvanized iron pipelines 11 in a screw hole 18 through bolts 17, a heat reflection layer 12 is coated inside the galvanized iron pipelines to reflect heat as much as possible, so as to ensure that heat is left in the exhaust pipe 1, and reduce heat dissipation of the galvanized iron pipelines with low thermal conductivity, a heat insulation layer 13 is wrapped on the outer wall of the galvanized iron pipelines, so as to further reduce heat loss caused by heat exchange between the galvanized iron pipelines and external low-temperature air, a fixing ring 19 is further arranged at the joint of the two sections of galvanized iron pipelines 11, the fixing ring 19 is hung in the middle of the joint of the two sections of galvanized iron pipelines 11 and is fixed along with the fixed connection of the two sections of galvanized iron pipelines 11, so as to fix the air inlet pipe 2 arranged inside the exhaust pipe 1, in the embodiment, the whole section of the air inlet pipe 2 is formed by welding a plurality of sections of aluminum alloy metal pipes, and the high thermal conductivity Preheating is carried out, so that the heat energy of the high-temperature exhaust gas in the exhaust pipe 1 is utilized, and the loss of the heat energy is reduced.
Example two
As shown in fig. 4 to 6, an exhaust gas waste heat utilization pipe applied to an environment-friendly and energy-saving hot air drying system includes: the exhaust pipe 1 is used for pumping and exhausting waste gas containing VOCs discharged by a drying box of a hot air drying system and consists of a metal pipeline 11, a heat reflecting layer 12 and a heat insulating layer 13, the R end of the metal pipeline 11 is an exhaust port 14 and is communicated with an air inlet of a terminal VOCs centralized processing device, the middle section of the metal pipeline 11 is provided with a plurality of waste gas air inlets 15, each air inlet 15 is communicated with an exhaust port of one drying box, the heat reflecting layer 12 is arranged inside the metal pipeline, and the heat insulating layer 13 is arranged on the outer wall of the metal pipeline 11; intake pipe 2 is the metal pipeline, the setting is inside blast pipe 1, by inlet end 21, give vent to anger end 22 and connect the interlude 23 between inlet end 21 and the end 22 of giving vent to anger, the interlude 23 of this embodiment comprises the tubular metal resonator of size such as 6, the R end of intake pipe 1 penetrates from setting up the hole site 16 at the R end of blast pipe 1, be linked together with hot air drying system's air inlet, the L end of intake pipe 2 is worn out from the L end of blast pipe 1, and the L end of sealed blast pipe 1.
In this embodiment, the exhaust pipe 1 is formed by fixing a plurality of sections of galvanized iron pipes 11 in a screw hole 18 through bolts 17, a heat reflection layer 12 is coated inside each galvanized iron pipe to reflect heat as much as possible, so as to ensure that heat is retained in the exhaust pipe 1 and reduce heat dissipation of the galvanized iron pipe with low heat conductivity, a heat insulation layer 13 is coated on the outer wall of each galvanized iron pipe to further reduce heat loss caused by heat exchange between each galvanized iron pipe and external low-temperature air, a fixing ring 19 is further arranged at the joint of the two sections of galvanized iron pipes 11, the fixing ring 19 is suspended in the middle of the joint of the two sections of galvanized iron pipes 11 and is fixed along with the fixed connection of the two sections of galvanized iron pipes 11 and is used for fixing the air inlet pipe 2 arranged inside the exhaust pipe 1, in this embodiment, the middle section 23 of the air inlet pipe 2 is formed by 6 aluminum alloy metal pipes with equal size, and two ends of the 6 aluminum alloy metal pipes are The fixing holes 25 are formed by utilizing the high thermal conductivity of the aluminum alloy and a plurality of aluminum alloy metal pipes to enlarge the contact surface with the high-temperature waste gas in the exhaust pipe 1, and the heat of the high-temperature waste gas in the exhaust pipe 1 is quickly transferred to the low-temperature air in the air inlet pipe 2 to be preheated, so that the heat energy of the high-temperature waste gas in the exhaust pipe 1 is utilized, and the loss of the heat energy is reduced.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (6)
1. The utility model provides a be applied to waste gas waste heat utilization pipeline of energy-concerving and environment-protective hot air drying system, includes: blast pipe and intake pipe, its characterized in that: the exhaust pipe is used for pumping and exhausting waste gas containing VOCs discharged by a drying box of a hot air drying system and comprises a metal pipeline, a heat reflecting layer and a heat insulating layer, wherein the R end of the metal pipeline is an exhaust port and is communicated with an air inlet of a terminal VOCs centralized processing device; the air inlet pipe is a metal pipeline and is arranged in the exhaust pipe and used for providing low-temperature air for the drying box of the hot air drying system, the R end of the air inlet pipe penetrates through the hole position of the R end of the exhaust pipe and is communicated with the air inlet of the hot air drying system, and the L end of the air inlet pipe penetrates out of the L end of the exhaust pipe and seals the L end of the exhaust pipe.
2. The exhaust gas waste heat utilization pipeline applied to the environment-friendly and energy-saving hot air drying system according to claim 1, is characterized in that: the exhaust pipe is formed by fixing a plurality of sections of galvanized iron pipelines in screw holes through bolts.
3. The exhaust gas waste heat utilization pipeline applied to the environment-friendly and energy-saving hot air drying system according to claim 1, is characterized in that: the joint of the two sections of the galvanized iron pipe of the exhaust pipe is also provided with a fixing ring for fixing an air inlet pipe arranged in the exhaust pipe.
4. The exhaust gas waste heat utilization pipeline applied to the environment-friendly and energy-saving hot air drying system according to claim 1, is characterized in that: the air inlet pipe is formed by connecting a plurality of sections of aluminum alloy pipelines through a welding process.
5. The exhaust gas waste heat utilization pipeline applied to the environment-friendly and energy-saving hot air drying system according to claim 1, is characterized in that: the middle section of the air inlet pipe is composed of N aluminum alloy pipelines, wherein N is more than or equal to 1 and less than or equal to 10.
6. The exhaust gas waste heat utilization pipeline applied to the environment-friendly and energy-saving hot air drying system according to claim 1, is characterized in that: when aluminum alloy pipeline quantity N of the interlude of intake pipe satisfies 2 and is less than or equal to N, the intake pipe comprises inlet end, the end of giving vent to anger and the many aluminum alloy pipelines in the middle of the end of giving vent to anger and inlet end and the end of giving vent to anger and constitutes, the joint department of inlet end, the end of giving vent to anger and interlude is the closing end face, is provided with the fixed orifices unanimous with interlude tubular metal resonator quantity on the closing end face, and the fixed orifices passes through welding process with the tubular metal resonator of interlude.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921446066.8U CN210624544U (en) | 2019-09-02 | 2019-09-02 | Waste gas waste heat utilization pipeline applied to environment-friendly and energy-saving hot air drying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921446066.8U CN210624544U (en) | 2019-09-02 | 2019-09-02 | Waste gas waste heat utilization pipeline applied to environment-friendly and energy-saving hot air drying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210624544U true CN210624544U (en) | 2020-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921446066.8U Expired - Fee Related CN210624544U (en) | 2019-09-02 | 2019-09-02 | Waste gas waste heat utilization pipeline applied to environment-friendly and energy-saving hot air drying system |
Country Status (1)
| Country | Link |
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| CN (1) | CN210624544U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111750630A (en) * | 2020-07-11 | 2020-10-09 | 河南农业大学 | Hotair circulation and dehumidification device of curing barn |
| CN113417777A (en) * | 2021-07-31 | 2021-09-21 | 重庆长安汽车股份有限公司 | Engine air inlet heating device |
-
2019
- 2019-09-02 CN CN201921446066.8U patent/CN210624544U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111750630A (en) * | 2020-07-11 | 2020-10-09 | 河南农业大学 | Hotair circulation and dehumidification device of curing barn |
| CN113417777A (en) * | 2021-07-31 | 2021-09-21 | 重庆长安汽车股份有限公司 | Engine air inlet heating device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200526 |