CN211189659U - Gaseous cryrogenic recovery unit of VOCs based on industry is cold useless - Google Patents
Gaseous cryrogenic recovery unit of VOCs based on industry is cold useless Download PDFInfo
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- CN211189659U CN211189659U CN201921794285.5U CN201921794285U CN211189659U CN 211189659 U CN211189659 U CN 211189659U CN 201921794285 U CN201921794285 U CN 201921794285U CN 211189659 U CN211189659 U CN 211189659U
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- primary cooler
- vocs
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- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 85
- 238000011084 recovery Methods 0.000 title claims abstract description 33
- 239000007789 gas Substances 0.000 claims abstract description 81
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 239000002699 waste material Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 4
- 239000012774 insulation material Substances 0.000 claims description 12
- 239000003463 adsorbent Substances 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 8
- 238000005057 refrigeration Methods 0.000 claims description 7
- 239000002440 industrial waste Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 239000006096 absorbing agent Substances 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000001110 calcium chloride Substances 0.000 claims description 2
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 2
- 239000000378 calcium silicate Substances 0.000 claims description 2
- 229910052918 calcium silicate Inorganic materials 0.000 claims description 2
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims description 2
- 239000010451 perlite Substances 0.000 claims description 2
- 235000019362 perlite Nutrition 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 229920006327 polystyrene foam Polymers 0.000 claims description 2
- 239000000741 silica gel Substances 0.000 claims description 2
- 229910002027 silica gel Inorganic materials 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract description 2
- 238000005253 cladding Methods 0.000 abstract 1
- 238000003795 desorption Methods 0.000 abstract 1
- 238000009413 insulation Methods 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 14
- 238000001179 sorption measurement Methods 0.000 description 6
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Images
Classifications
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Treating Waste Gases (AREA)
Abstract
The utility model provides a gaseous cryrogenic recovery unit of VOCs based on industry is cold useless, this device mainly comprises parallelly connected first primary cooler and the series connection deep cooler of second primary cooler, each part and takeover outside all have vacuum insulation layer cladding, factory VOCs exhaust flows through the shell side cooling of first primary cooler and second primary cooler respectively and removes behind the water purification about-20 ℃, return the tube side precooling part VOCs exhaust of first primary cooler and retrieve the residual cold back and discharge into the atmosphere after deep cooler shell side and adsorber desorption VOCs gas after flowing through in proper order, low temperature liquid nitrogen or L NG industry waste cold source flow through the tube side of deep cooler tube side and second primary cooler in proper order, carry out VOCs gaseous cryrogenic liquefaction recovery and partial factory exhaust and carry out the precooling to VOCs exhaust respectively and dewater the atmosphere after, this device can make full use of industry waste cold realize VOCs complete recovery, energy-concerving and environment-protective, compact structure, use simple to operate, and wide popularization and application prospect has.
Description
Technical Field
The utility model relates to a gaseous recovery unit of VOCs, concretely relates to gaseous cryrogenic recovery unit of VOCs based on industry is cold useless.
Background
Volatile Organic Compounds (VOCs) are a general name of a series of Volatile and flammable and toxic Organic Compounds, and are important reasons for causing haze and PM2.5, and in order to reduce the harm of heavily polluted weather to people's life, the recovery and treatment of VOCs gas are required to be enhanced.
Common abatement techniques include: (1) condensation technology. The VOCs gas is effectively collected through the condensation technology, so that the condition of VOCs volatilization is avoided, but in the process of technical application, certain VOCs gas emission condition still exists, and the effectiveness and the scientificity of technical application are influenced. (2) And (5) combustion treatment. VOCs gas is combustible and can be treated by combustion treatment, but the method has high requirements for the technical level and can only meet the treatment of VOCs gas produced in industry, and VOCs gas produced by part of household cookers in use and VOCs gas produced by automobile products are difficult to treat by combustion treatment. (3) And (5) adsorbing by using activated carbon. VOCs gas generated by the household cooker in use can be treated by adopting an activated carbon adsorption mode. VOCs is gaseous can bring certain injury and influence to the human body, and active carbon adsorption's mode can effectively reduce the VOCs gas in the kitchen space, but the application effect of this mode remains to be improved. (4) Solvent absorption method. The method is also a more effective adsorption method, and different from an activated carbon adsorption method, a solvent absorption method is to realize the adsorption of organic compounds in VOCs gas by adopting the similar phase-dissolving principle of solvents.
The condensation method is widely applied in industrial production, can reasonably reduce atmospheric emission and can better recover the organic solvent.
An integrated treatment device and a method for organic waste gas with the patent number of CN103599695A adopt a refrigeration method to be mechanical refrigeration, and have the defects of high operation cost, low recovery rate of VOCs, unsatisfied environmental protection requirements of exhaust gas and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at carrying out cryrogenic liquefaction through a gaseous cryrogenic recovery unit of VOCs based on industry is useless cold to VOCs gas and retrieves, solve the gaseous recovery of VOCs thoroughly, the not up to standard problem of exhaust gas environmental protection.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted as follows:
the utility model provides a gaseous cryrogenic recovery unit of VOCs based on industry is cold, its characterized in that: the device comprises a first primary cooler (1), a second primary cooler (2) and a deep cooler (3), wherein the first primary cooler (1) comprises a shell pass (1-1) of the first primary cooler, a tube pass (1-2) of the first primary cooler, a VOCs gas inlet (1-3) of the first primary cooler, a tail gas outlet (1-4), a VOCs gas outlet (1-5) of the first primary cooler, a tail gas inlet (1-6), a water outlet (1-7) of the first primary cooler, an inner wall (1-8) of the first primary cooler, a heat insulation material (1-9) of the first primary cooler and an outer wall (1-10) of the first primary cooler, the second primary cooler (2) comprises a shell pass (2-1) of the second primary cooler, a tube pass (2-2) of the second primary cooler, a VOCs gas inlet (2-3) of the second primary cooler, A cold source outlet (2-4), a VOCs gas outlet (2-5) of a second primary cooler, a cold source inlet (2-6), a water outlet (2-7) of the second primary cooler, an inner wall (2-8) of the second primary cooler, a heat insulation material (2-9) of the second primary cooler and an outer wall (2-10) of the second primary cooler, wherein the deep cooler (3) comprises a shell pass (3-1) of the deep cooler, a tube pass (3-2) of the deep cooler, a dehydrated VOCs gas inlet (3-3), a waste cold source inlet (3-4), a dehydrated VOCs gas outlet (3-5), a waste cold source outlet (3-6), an oil outlet (3-7), a low-temperature absorber (3-8), a gas-liquid separation zone (3-9), a layered partition plate (3-10), a foam catcher (3-11), The inner wall (3-12) of the deep cooler, the heat insulation material (3-13) of the deep cooler and the outer wall (3-14) of the deep cooler, the tube pass (3-2) of the deep cooler comprises a thin tube (3-2-1), a middle tube (3-2-2) and a thick tube (3-2-3), a VOCs gas outlet (1-5) of a first primary cooler of the first primary cooler (1) and a VOCs gas outlet (2-5) of a second primary cooler of the second primary cooler (2) are connected with a dehydrated VOCs gas inlet (3-3) of the deep cooler (3), the dehydrated VOCs gas outlet (3-5) of the deep cooler (3) is connected with a tail gas inlet (1-6) of the first primary cooler (1), a waste cold source outlet (3-6) of the deep cooler (3) is connected with a cold source inlet (2-6) of the second primary cooler (2), the low-temperature adsorber (3-8) is positioned below a dehydrated VOCs gas outlet (3-5) of the deep cooler (3), an adsorbent material frame (3-8-1) is arranged in the low-temperature adsorber, and the adsorbent (3-8-2) is contained in the adsorbent material frame (3-8-1).
A gaseous cryrogenic recovery unit of VOCs based on industry is cold useless, its characterized in that: the heat exchange finned tube in the deep cooler (3) is divided into a thin tube, a middle tube and a thick tube from bottom to top so as to meet the requirement that the volume flow of a medium in the tube is increased continuously.
A gaseous cryrogenic recovery unit of VOCs based on industry is cold useless, its characterized in that: the refrigeration temperatures of the first primary cooler (1) and the second primary cooler (2) are-20-0 ℃, and the refrigeration temperature of the deep cooler (3) is-80-120 ℃.
The VOCs gas cryogenic recovery device based on industrial waste cooling is characterized in that a cold source of the cryogenic cooler (3) can be one of liquid nitrogen and L NG.
A gaseous cryrogenic recovery unit of VOCs based on industry is cold useless, its characterized in that: the adsorbent (3-8-2) can be selected from one of silica gel, calcium chloride and active carbon.
A gaseous cryrogenic recovery unit of VOCs based on industry is cold useless, its characterized in that: the heat insulation material (1-9) of the first primary cooler, the heat insulation material (2-9) of the second primary cooler and the heat insulation material (3-13) of the deep cooler can be one of expanded perlite, calcium silicate and polystyrene foam plastics.
The utility model has the advantages that:
1. the utility model can adopt liquid nitrogen or L NG as cold source, and the temperature can reach-120 ℃.
2. The utility model discloses the surplus cold of having utilized tail gas is treated the process gas and is dewatered, has carried out make full use of to cold volume.
3. The utility model discloses make up condensation method and adsorption method, improved the gaseous rate of recovery of VOCs, greatly reduced VOCs's emission.
Drawings
FIG. 1 is a gaseous cryogenic recovery device structure chart of VOCs based on industry is useless cold that this patent provided
Wherein 1 is a first primary cooler, 2 is a second primary cooler, 3 is a deep cooler, 1-1 is a shell pass of the first primary cooler, 1-2 is a tube pass of the first primary cooler, 1-3 is a VOCs gas inlet of the first primary cooler, 1-4 is a tail gas outlet, 1-5 is a VOCs gas outlet of the first primary cooler, 1-6 is a tail gas inlet, 1-7 is a water outlet of the first primary cooler, 1-8 is an inner wall of the first primary cooler, 1-9 is a heat insulating material of the first primary cooler, 1-10 is an outer wall of the first primary cooler, 2-1 is a shell pass of the second primary cooler, 2-2 is a tube pass of the second primary cooler, 2-3 is a VOCs gas inlet of the second primary cooler, 2-4 is a cold source outlet, 2-5 is a VOCs gas outlet of the second primary cooler, 2-6 is a cold source, 2-7 is a water outlet of the second primary cooler, 2-8 is an inner wall of the second primary cooler, 2-9 is a heat insulating material of the second primary cooler, 2-10 is an outer wall of the second primary cooler, 3-1 is a shell pass of the deep cooler, 3-2 is a tube pass of the deep cooler, 3-3 is a dehydrated VOCs gas inlet, 3-4 is a waste cold source inlet, 3-5 is a dehydrated VOCs gas outlet, 3-6 is a waste cold source outlet, 3-7 is an oil outlet, 3-8 is a low-temperature absorber, 3-8-1 is an adsorbent material frame, 3-8-2 is an adsorbent, 3-9 is a gas-liquid separation zone, 3-10 is a layering partition plate, 3-11 is a foam catcher, 3-12 is an inner wall of the deep cooler, 3-13 is a heat insulating material of the deep cooler, 3-14 are the outer walls of the deep coolers.
Detailed Description
The following description of the embodiments of the present invention will be provided in conjunction with the accompanying drawings for better understanding of the invention.
The gas to be treated by the VOCs can be divided into two parts which are communicated with a VOCs gas inlet (1-3) and a VOCs gas outlet (2-3) of a first primary cooler and a second primary cooler (2) for dehydration, the refrigeration temperatures of the first primary cooler (1) and the second primary cooler (2) are-20-0 ℃, water flows out from a water outlet (1-7) of the first primary cooler and a water outlet (2-7) of the second primary cooler, the gas to be treated after dehydration enters a deep cooler (3) through a VOCs gas outlet (1-5) and a dehydrated VOCs gas outlet (2-5) of the first primary cooler, the dehydrated VOCs gas flows downwards after entering from a VOCs gas inlet (3-3) of the first primary cooler, the dehydrated VOCs gas is liquefied in a gas-liquid separation zone (3-9), two liquefied inlets (3-7) are arranged at the bottom of the deep cooler (3), the liquefied VOCs gas enters a tail gas outlet (3-3) of an upper dehydrated VOCs gas inlet (3-3), the dehydrated VOCs gas flows downwards after entering a gas-liquid separation zone (3-liquid separation zone, the dehydrated VOCs gas enters a gas-liquid separation zone (3-liquid separation zone, the tail gas is liquefied VOCs oil discharge port (3-3), the tail gas is condensed from a tail gas outlet (3-3) of a tail gas outlet) of a deep cooler, the tail gas outlet, the tail gas recovery tank, the tail gas of a tail gas recovery tank, the tail gas recovery tank is discharged from a tail gas recovery tank (3-5) through a cold source, the primary cooler, the secondary cooler, the tail gas recovery tank is discharged from the secondary cold recovery tank, the secondary cooler, the tail gas recovery tank, the secondary cooler, the tail gas recovery.
Claims (6)
1. The utility model provides a gaseous cryrogenic recovery unit of VOCs based on industry is cold, its characterized in that: the device comprises a first primary cooler (1), a second primary cooler (2) and a deep cooler (3), wherein the first primary cooler (1) comprises a shell pass (1-1) of the first primary cooler, a tube pass (1-2) of the first primary cooler, a VOCs gas inlet (1-3) of the first primary cooler, a tail gas outlet (1-4), a VOCs gas outlet (1-5) of the first primary cooler, a tail gas inlet (1-6), a water outlet (1-7) of the first primary cooler, an inner wall (1-8) of the first primary cooler, a heat insulation material (1-9) of the first primary cooler and an outer wall (1-10) of the first primary cooler, the second primary cooler (2) comprises a shell pass (2-1) of the second primary cooler, a tube pass (2-2) of the second primary cooler, a VOCs gas inlet (2-3) of the second primary cooler, A cold source outlet (2-4), a VOCs gas outlet (2-5) of a second primary cooler, a cold source inlet (2-6), a water outlet (2-7) of the second primary cooler, an inner wall (2-8) of the second primary cooler, a heat insulation material (2-9) of the second primary cooler and an outer wall (2-10) of the second primary cooler, wherein the deep cooler (3) comprises a shell pass (3-1) of the deep cooler, a tube pass (3-2) of the deep cooler, a dehydrated VOCs gas inlet (3-3), a waste cold source inlet (3-4), a dehydrated VOCs gas outlet (3-5), a waste cold source outlet (3-6), an oil outlet (3-7), a low-temperature absorber (3-8), a gas-liquid separation zone (3-9), a layered partition plate (3-10), a foam catcher (3-11), The inner wall (3-12) of the deep cooler, the heat insulation material (3-13) of the deep cooler and the outer wall (3-14) of the deep cooler, the tube pass (3-2) of the deep cooler comprises a thin tube (3-2-1), a middle tube (3-2-2) and a thick tube (3-2-3), a VOCs gas outlet (1-5) of a first primary cooler of the first primary cooler (1) and a VOCs gas outlet (2-5) of a second primary cooler of the second primary cooler (2) are connected with a dehydrated VOCs gas inlet (3-3) of the deep cooler (3), the dehydrated VOCs gas outlet (3-5) of the deep cooler (3) is connected with a tail gas inlet (1-6) of the first primary cooler (1), a waste cold source outlet (3-6) of the deep cooler (3) is connected with a cold source inlet (2-6) of the second primary cooler (2), the low-temperature adsorber (3-8) is positioned below a dehydrated VOCs gas outlet (3-5) of the deep cooler (3), an adsorbent material frame (3-8-1) is arranged in the low-temperature adsorber, and the adsorbent (3-8-2) is contained in the adsorbent material frame (3-8-1).
2. The cryogenic recovery device of VOCs based on industrial waste cold, according to claim 1, characterized in that: the heat exchange finned tube in the deep cooler (3) is divided into a thin tube, a middle tube and a thick tube from bottom to top so as to meet the requirement that the volume flow of a medium in the tube is increased continuously.
3. The cryogenic recovery device of VOCs based on industrial waste cold, according to claim 1, characterized in that: the refrigeration temperatures of the first primary cooler (1) and the second primary cooler (2) are-20-0 ℃, and the refrigeration temperature of the deep cooler (3) is-80-120 ℃.
4. The cryogenic recovery device for VOCs based on industrial waste cold of claim 1, characterized in that the cold source of the chiller (3) can be one of liquid nitrogen and L NG.
5. The cryogenic recovery device of VOCs based on industrial waste cold, according to claim 1, characterized in that: the adsorbent (3-8-2) can be selected from one of silica gel, calcium chloride and active carbon.
6. The cryogenic recovery device of VOCs based on industrial waste cold, according to claim 1, characterized in that: the heat insulation material (1-9) of the first primary cooler, the heat insulation material (2-9) of the second primary cooler and the heat insulation material (3-13) of the deep cooler can be one of expanded perlite, calcium silicate and polystyrene foam plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921794285.5U CN211189659U (en) | 2019-10-24 | 2019-10-24 | Gaseous cryrogenic recovery unit of VOCs based on industry is cold useless |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921794285.5U CN211189659U (en) | 2019-10-24 | 2019-10-24 | Gaseous cryrogenic recovery unit of VOCs based on industry is cold useless |
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| Publication Number | Publication Date |
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| CN211189659U true CN211189659U (en) | 2020-08-07 |
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| CN201921794285.5U Expired - Fee Related CN211189659U (en) | 2019-10-24 | 2019-10-24 | Gaseous cryrogenic recovery unit of VOCs based on industry is cold useless |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110575734A (en) * | 2019-10-24 | 2019-12-17 | 青岛科技大学 | gaseous cryrogenic recovery unit of VOCs based on industry is cold useless |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110575734A (en) * | 2019-10-24 | 2019-12-17 | 青岛科技大学 | gaseous cryrogenic recovery unit of VOCs based on industry is cold useless |
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