CN211119444U - Exchange type waste heat utilization device - Google Patents
Exchange type waste heat utilization device Download PDFInfo
- Publication number
- CN211119444U CN211119444U CN201921616345.4U CN201921616345U CN211119444U CN 211119444 U CN211119444 U CN 211119444U CN 201921616345 U CN201921616345 U CN 201921616345U CN 211119444 U CN211119444 U CN 211119444U
- Authority
- CN
- China
- Prior art keywords
- filter
- air
- treatment chamber
- heat exchanger
- waste heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000002918 waste heat Substances 0.000 title claims abstract description 17
- 238000001914 filtration Methods 0.000 claims abstract description 71
- 229920000742 Cotton Polymers 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 5
- 239000002912 waste gas Substances 0.000 abstract description 37
- 239000007789 gas Substances 0.000 abstract description 14
- 238000001035 drying Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 239000012535 impurity Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 238000010411 cooking Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000004071 soot Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model relates to a papermaking production facility technical field just discloses an exchange formula waste heat utilization equipment, including filtering box and heat exchanger, filter the inside first filtration process chamber and the second filtration process chamber of including of box, first filtration process chamber and second filtration process chamber right side communicate respectively has intake pipe and outlet duct, open in first filtration process chamber left side has the gas vent, second filtration process chamber left side intercommunication has the air duct, the intercommunication has the connecting pipe that admits air between gas vent and the heat exchanger air inlet. The utility model puts the heat exchanger into the drying chamber of the paper; the waste gas that the boiler that cooks produced is connected through the intake pipe of pipeline with filtering the box, and steam enters into inside the heat exchanger through the connecting pipe of giving vent to anger after entering into first filtration treatment chamber for inside the heat gived off to the drying chamber, effectively utilized the heat in the waste gas, energy saving's use.
Description
Technical Field
The utility model relates to a papermaking production facility technical field specifically is an exchange type waste heat utilization equipment.
Background
Paper is the most common article in our daily life, and is in contact with paper when reading books and newspapers, or writing and drawing. Paper is also not available in industrial, agricultural and defense industry. Paper is a sheet-like fibrous product used for writing, printing, drawing, packaging, or the like. The plant fiber pulp is produced with water suspension of plant fiber, and through the combination of crossing on net, initial dewatering, compression and stoving.
In the papermaking process, waste gas generated by the combustion of the pulp cooking boiler is directly discharged to the atmosphere, the discharged flue gas contains a large amount of heat energy, and if the waste gas generated by the pulp cooking boiler can be subjected to heat recovery and is used for drying paper, the heat energy used in papermaking can be saved.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides an exchange formula waste heat utilization device possesses the heat energy that can retrieve in the boiling pan exhaust waste gas to paper is dried and is used, and the waste gas of having solved paper pulp boiling pan burning production directly discharges in to the atmosphere, the problem of extravagant heat energy.
(II) technical scheme
For realizing the above-mentioned shock attenuation purpose of preventing falling, the utility model provides a following technical scheme: the utility model provides an exchange type waste heat utilization equipment, is including filtering box and heat exchanger, filter the inside first filtration process chamber and the second filtration process chamber of including of box, first filtration process chamber and second filtration process chamber right side communicate respectively has intake pipe and outlet duct, open in first filtration process chamber left side has the gas vent, second filtration process chamber left side intercommunication has the air duct, the intercommunication has the connecting pipe that admits air between gas vent and the heat exchanger air inlet, the intercommunication has the connecting pipe of giving vent to anger between heat exchanger gas outlet and the air duct left end, the heated board is installed to first filtration process chamber inner wall, second filtration process chamber internally mounted has filtering component, the air duct bottom runs through in filtering component, filter box one side articulated install the chamber door.
Preferably, the heat insulation board is internally provided with a sponge layer and a filter screen from left to right, and the top and the bottom of the right side of the filter screen are fixedly connected with limiting blocks in front of the inner wall of the heat insulation board.
Preferably, the filter assembly comprises a first filter plate and a second filter plate, and a filter cotton plate is fixedly connected between the lower surface of the first filter plate and the upper surface of the second filter plate.
Preferably, all open first filter, second filter and filtration cotton board top one side and have logical groove, the air duct bottom runs through in leading to the groove, and the air duct bottom extends to logical groove below.
Preferably, the support is installed on the right side of the filtering box body, an exhaust fan is fixedly installed at the top of the support, and an input port of the exhaust fan is communicated with the air outlet pipe.
Preferably, a liquid level meter is installed on one side of the second filtering and processing chamber, and the air guide pipe is in an L-shaped structure.
Preferably, a sponge sleeve is sleeved on the outer side of the air inlet connecting pipe.
(III) advantageous effects
Compared with the prior art, the utility model provides an exchange type waste heat utilization equipment possesses following beneficial effect:
1. the exchange type waste heat utilization device is characterized in that a heat exchanger is placed in a drying chamber of paper; the waste gas that the boiler that cooks produced is connected through the intake pipe of pipeline with filtering the box, and steam enters into inside the heat exchanger through the connecting pipe that admits air after entering into first filtration treatment chamber for inside the heat gived off to the drying chamber, effectively utilized the heat in the waste gas, energy saving's use.
2. Calcium hydroxide solution is added into the second filtering treatment chamber through the box door, and the filter screen and the sponge layer filter the soot and large-particle impurities in the waste gas for the first time when the waste gas enters the first filtering treatment chamber; waste gas after the heat exchanger backward flow is handled sulfur dioxide and carbon dioxide in the waste gas by the leading-in calcium hydroxide solution of air duct to and handle the less particle impurity in the waste gas, the filtration cotton board among the filtering component then can carry out filtration treatment once more to waste gas, then waste gas is in the external world of discharge, reduces the pollution of waste gas to the environment.
3. The exhaust fan is used for increasing the negative pressure in the second filtering treatment chamber and increasing the circulation speed of the waste gas, namely improving the filtering speed of the waste gas.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic structural view of the filtering box of the present invention;
fig. 3 is a schematic structural diagram of the filtering assembly of the present invention.
In the figure: 1. a filter box body; 2. a heat exchanger; 3. a first filtration processing chamber; 4. a second filtration processing chamber; 5. a filter assembly; 501. a first filter plate; 502. a second filter plate; 503. a filter cotton plate; 504. a through groove; 6. an air inlet pipe; 7. an exhaust port; 8. an air duct; 9. an air outlet pipe; 10. an air inlet connecting pipe; 11. an air outlet connecting pipe; 12. a box door; 13. a thermal insulation board; 14. a sponge layer; 15. a filter screen; 16. a limiting block; 17. a support; 18. an exhaust fan; 19. a liquid level meter.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, an exchange type waste heat utilization device comprises a filtering box body 1 and a heat exchanger 2, wherein the filtering box body 1 comprises a first filtering treatment chamber 3 and a second filtering treatment chamber 4, the right sides of the first filtering treatment chamber 3 and the second filtering treatment chamber 4 are respectively communicated with an air inlet pipe 6 and an air outlet pipe 9, the left side of the first filtering treatment chamber 3 is provided with an air outlet 7, the left side of the second filtering treatment chamber 4 is communicated with an air guide pipe 8, an air inlet connecting pipe 10 is communicated between the air outlet 7 and an air inlet of the heat exchanger 2, an air outlet connecting pipe 11 is communicated between an air outlet of the heat exchanger 2 and the left end of the air guide pipe 8, the inner wall of the first filtering treatment chamber 3 is provided with a heat insulation board 13, the inside of the second filtering treatment chamber 4 is provided with a filtering assembly 5, the bottom of the air; the heat exchanger 2 is placed inside a drying chamber of the paper; the waste gas that the boiler that cooks produced is connected through the intake pipe 6 of pipeline with filtering box 1, through the inside calcium hydroxide solution that adds of chamber door 12 to second filtration treatment room 4, and waste gas gets into first filtration treatment room 3 from intake pipe 6, and inside getting into heat exchanger 2 through air inlet connection pipe 10, through 2 back heat exchangers through the waste gas of the 11 backward flows of air outlet connection pipe by the leading-in calcium hydroxide solution of air duct 8, discharge from air outlet pipe 9.
Further, a sponge layer 14 and a filter screen 15 are respectively arranged in the heat insulation board 13 from left to right, and the top and the bottom of the right side of the filter screen 15 and the front part of the inner wall of the heat insulation board 13 are fixedly connected with a limiting block 16; when the exhaust gas enters the first filtering treatment chamber 3 through the air inlet pipe 6, the filter screen 15 and the sponge layer 14 filter the soot and large-particle impurities in the exhaust gas at a time.
Further, the filter assembly 5 comprises a first filter plate 501 and a second filter plate 502, and a filter cotton plate 503 is fixedly connected between the lower surface of the first filter plate 501 and the upper surface of the second filter plate 502; the filter cotton plate 503 in the filter assembly 5 can perform a second filtering process on the exhaust gas.
Furthermore, through grooves 504 are formed in one side of the tops of the first filter plate 501, the second filter plate 502 and the filter cotton plate 503, the bottom of the air duct 8 penetrates through the through grooves 504, and the bottom of the air duct 8 extends to the lower portion of the through grooves 504; the through-slot 504 is used for mounting the airway tube 8.
Further, a support 17 is arranged on the right side of the filtering box body 1, an exhaust fan 18 is fixedly arranged at the top of the support 17, wherein the type of the exhaust fan 18 is CF-11, and an input port of the exhaust fan 18 is communicated with the air outlet pipe 9; the exhaust fan 18 is used to increase the negative pressure inside the second filtration treatment chamber 4 to increase the flow rate of the exhaust gas, i.e., to increase the filtration rate of the exhaust gas.
Furthermore, a liquid level meter 19 is arranged on one side of the second filtering and processing chamber 4, the air duct 8 is in an L-shaped structure, and the liquid level meter 19 is used for observing the water level of the calcium hydroxide in the second filtering and processing chamber 4.
Further, a sponge sleeve is sleeved outside the air inlet connecting pipe 10; the sponge pipe sleeve plays a role in heat preservation, and heat loss is reduced before waste gas is conveyed into the heat exchanger 2.
The working principle is that the heat exchanger 2 is placed inside a drying chamber of paper; waste gas generated by the cooking boiler is connected with an air inlet pipe 6 of the filtering box body 1 through a pipeline, calcium hydroxide solution is added into the second filtering treatment chamber 4 through a box door 12, and the dust and large-particle impurities in the waste gas are filtered for the first time through a filter screen 15 and a sponge layer 14 when the waste gas enters the first filtering treatment chamber 3 through the air inlet pipe 6; through the inside of admitting air connecting pipe 10 entering heat exchanger 2, through giving vent to anger the leading-in calcium hydroxide solution of waste gas of connecting pipe 11 backward flow of heat exchanger 2 back by air duct 8, waste gas is through first filter 501, second filter 502 and the filtration cotton board 503 among the filter assembly 5 and finally has air exhauster 18 to take out to the external world.
In summary, the heat exchanger 2 is placed in the drying chamber of the paper in the exchange type waste heat utilization device; waste gas generated by the cooking boiler is connected with an air inlet pipe 6 of the filtering box body 1 through a pipeline, hot gas enters the first filtering treatment chamber 3 and then enters the heat exchanger 2 through an air inlet connecting pipe 10, so that heat is dissipated to the inside of the drying chamber, the heat in the waste gas is effectively utilized, and the use of energy is saved;
calcium hydroxide solution is added into the second filtering treatment chamber 4 through the chamber door 12, and the dust and large particle impurities in the waste gas are filtered for the first time by the filter screen 15 and the sponge layer 14 when the waste gas enters the first filtering treatment chamber 3; the waste gas after being refluxed by the heat exchanger 2 is guided into a calcium hydroxide solution by the gas guide pipe 8, sulfur dioxide and carbon dioxide in the waste gas are treated, and smaller particle impurities in the waste gas are treated, the filtering cotton plate 503 in the filtering assembly 5 can filter the waste gas again, and then the waste gas is discharged to the outside, so that the pollution of the waste gas to the environment is reduced;
the exhaust fan 18 is used to increase the negative pressure inside the second filtration treatment chamber 4 to increase the flow rate of the exhaust gas, i.e., to increase the filtration rate of the exhaust gas.
The specific connection and usage of the exhaust fan 18 electrically connected to an external switch and a power supply are well known in the art and will not be described herein.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an exchange formula waste heat utilization equipment, includes filter box (1) and heat exchanger (2), its characterized in that: the filter box body (1) is internally provided with a first filter treatment chamber (3) and a second filter treatment chamber (4), the right sides of the first filter treatment chamber (3) and the second filter treatment chamber (4) are respectively communicated with an air inlet pipe (6) and an air outlet pipe (9), the left side of the first filter treatment chamber (3) is provided with an air outlet (7), the left side of the second filter treatment chamber (4) is communicated with an air guide pipe (8), an air inlet connecting pipe (10) is communicated between the air outlet (7) and an air inlet of the heat exchanger (2), an air outlet connecting pipe (11) is communicated between an air outlet of the heat exchanger (2) and the left end of the air guide pipe (8), the inner wall of the first filter treatment chamber (3) is provided with a heat insulation board (13), the inside of the second filter treatment chamber (4) is provided with a filter assembly (5), and the bottom of the air guide pipe (8, one side of the filtering box body (1) is hinged with a box door (12).
2. The device for utilizing waste heat by exchange of claim 1, wherein: the insulation board is characterized in that a sponge layer (14) and a filter screen (15) are respectively arranged from left to right inside the insulation board (13), and a limiting block (16) is fixedly connected to the top and the bottom of the right side of the filter screen (15) and the inner wall of the insulation board (13) in front of the filter screen.
3. The device for utilizing waste heat by exchange of claim 1, wherein: the filter assembly (5) comprises a first filter plate (501) and a second filter plate (502), wherein a filter cotton plate (503) is fixedly connected between the lower surface of the first filter plate (501) and the upper surface of the second filter plate (502).
4. The device for utilizing waste heat by exchange of claim 3, wherein: first filter (501), second filter (502) and filter cotton board (503) top one side all opened logical groove (504), air duct (8) bottom runs through in logical groove (504), and air duct (8) bottom extends to logical groove (504) below.
5. The device for utilizing waste heat by exchange of claim 1, wherein: support (17) are installed on filter box (1) right side, support (17) top fixed mounting has air exhauster (18), air exhauster (18) input port communicates in outlet duct (9).
6. The exchange type waste heat utilization device according to claim 1, wherein a liquid level meter (19) is installed on one side of the second filtering treatment chamber (4), and the air guide pipe (8) is of an L-shaped structure.
7. The device for utilizing waste heat by exchange of claim 1, wherein: and a sponge sleeve is sleeved on the outer side of the air inlet connecting pipe (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921616345.4U CN211119444U (en) | 2019-09-26 | 2019-09-26 | Exchange type waste heat utilization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921616345.4U CN211119444U (en) | 2019-09-26 | 2019-09-26 | Exchange type waste heat utilization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211119444U true CN211119444U (en) | 2020-07-28 |
Family
ID=71696211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921616345.4U Expired - Fee Related CN211119444U (en) | 2019-09-26 | 2019-09-26 | Exchange type waste heat utilization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211119444U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114674172A (en) * | 2022-05-31 | 2022-06-28 | 河北爱节能源科技有限公司 | External circulating filtration oil stain portable drawing heat exchanger |
-
2019
- 2019-09-26 CN CN201921616345.4U patent/CN211119444U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114674172A (en) * | 2022-05-31 | 2022-06-28 | 河北爱节能源科技有限公司 | External circulating filtration oil stain portable drawing heat exchanger |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200728 |
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| CF01 | Termination of patent right due to non-payment of annual fee |