CN112587951A - Organic solvent low temperature recovery unit - Google Patents
Organic solvent low temperature recovery unit Download PDFInfo
- Publication number
- CN112587951A CN112587951A CN202011391787.0A CN202011391787A CN112587951A CN 112587951 A CN112587951 A CN 112587951A CN 202011391787 A CN202011391787 A CN 202011391787A CN 112587951 A CN112587951 A CN 112587951A
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- chamber
- connecting rod
- tube bundle
- inflow chamber
- condensation tube
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0033—Other features
- B01D5/0051—Regulation processes; Control systems, e.g. valves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0078—Condensation of vapours; Recovering volatile solvents by condensation characterised by auxiliary systems or arrangements
- B01D5/0096—Cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
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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
Abstract
The invention discloses a low-temperature recovery device for an organic solvent, which comprises a condenser, wherein a condensation tube bundle is arranged at the middle section of the condenser, an inflow chamber and an outflow chamber are arranged in parallel relative to the top end of the condensation tube bundle, a rotary chamber is arranged relative to the bottom end of the condensation tube, and a refrigerant flows through the outer edge of the condensation tube bundle; a concentrator, wherein the concentrated VOCs waste gas stream desorbed from the concentrator is guided to the inflow chamber, flows to the rotation chamber through a condensation tube bundle arranged opposite to the inflow chamber, flows to the outflow chamber through a condensation tube bundle arranged opposite to the outflow chamber, and is discharged; the liquid VOCs are dripped into the rotary chamber and then recovered by the recovery cylinder connected to the rotary chamber, and the recovery device further comprises a pressure stabilizing box and a cleaning device.
Description
Technical Field
The invention relates to the technical field of recovery devices, in particular to a low-temperature recovery device for an organic solvent.
Background
Organic solvents widely used in life and production are Volatile to gases in greenhouses, so called Volatile Organic gases (VOCs), and most VOCs have certain toxicity to human bodies and need to be purified; in addition, in the purification treatment of the VOCs by the related manufacturers, the VOCs are firstly adsorbed, then concentrated and desorbed, and then incinerated, or the VOCs condensed and absorbed are purified and reused by installing a condenser on site for recovery treatment, and because the concentration of the VOCs is greatly reduced, the load of the downstream-end waste gas treatment equipment can be reduced, the service life of the final treatment equipment can be prolonged, and the overall treatment effect of the purification treatment equipment can be effectively improved.
Next, as shown in fig. 1, in the conventional condenser 10, a condensing tube bundle 11 is disposed at the middle section, an inflow chamber 12 and an outflow chamber 13 are disposed in parallel with respect to the top end of the condensing tube bundle 11, and a revolving chamber 14 is disposed with respect to the bottom end of the condensing tube bundle 11, and a refrigerant is made to flow through the outer edge of the condensing tube bundle 11; however, the waste gas stream of concentrated VOCs desorbed by the concentrator 20 is guided to the inlet chamber 12, flows through the condensing tube bundle 11 disposed opposite to the inlet chamber 12 to the turn chamber 14, and flows through the condensing tube bundle 11 disposed opposite to the outlet chamber 13 for discharge; the gaseous VOCs condense into a liquid state during the process of flowing through the condenser bundle 11, and then drop to the rotating chamber 14 and are recovered by the recovery drum 30 connected to the rotating chamber 14.
Because of the conventional installation of the condenser with the upward inflow chamber 12 and outflow chamber 13, in the initial stage of condensation just entering the condenser bundle 11 from the inflow chamber 12, a large amount of liquid VOCs will be rapidly condensed due to the high concentration of VOCs in the exhaust gas flow, and this large amount of liquid VOCs must flow from the upper end to the lower end of the condenser bundle 11 (the retention time is extremely long), so that a liquid film with considerable thickness is easily accumulated in the condenser bundle 11, and the thicker the thickness of the liquid film, the worse the heat and mass transfer efficiency (i.e. the worse the condensation effect) is, and even the gas flow cannot pass through due to liquid plug and pressure fluctuation may occur.
Based on this, it is necessary to modify the existing condenser.
Disclosure of Invention
The invention aims to provide a low-temperature recovery device for an organic solvent, which solves the problem of poor condensation effect caused by the fact that a thick liquid film is easy to accumulate due to the flowing direction of a condensate.
In order to achieve the purpose, the invention provides the following technical scheme: a low-temperature recovery device for organic solvent comprises a condenser, wherein a condensation tube bundle is arranged in the middle section of the condenser, an inflow chamber and an outflow chamber are arranged in parallel relative to the top end of the condensation tube bundle, a rotary chamber is arranged relative to the bottom end of the condensation tube, and a refrigerant flows through the outer edge of the condensation tube bundle; a concentrator, wherein the concentrated VOCs waste gas stream desorbed from the concentrator is guided to the inflow chamber, flows to the rotation chamber through a condensation tube bundle arranged opposite to the inflow chamber, flows to the outflow chamber through a condensation tube bundle arranged opposite to the outflow chamber, and is discharged; a recycling cylinder, the liquid VOCs dropping to the rotary chamber and being recycled by the recycling cylinder connected to the rotary chamber, the recycling device further comprises
The pressure stabilizing box is arranged outside the inflow chamber, and concentrated VOCs waste gas airflow generated by the concentrator passes through the pressure stabilizing box and then is discharged into the inflow chamber into airflow with fixed intensity;
the cleaning device is arranged in the inflow chamber and comprises a turbine, a turbine box, a cam, a bracket, a guide part, a transmission rod and a cleaner, wherein the turbine box is communicated with the inlet of the inflow chamber and is provided with an outlet, the turbine is horizontally and rotatably arranged in the turbine box, a rotating shaft of the turbine extends out of the turbine box, the center of the cam is fixedly arranged on the rotating shaft, the transmission rod is arranged on the cam, one end of the bracket is fixedly connected with the transmission rod, the guide part is arranged in the inflow chamber and is fixedly connected with the other end of the bracket, and the cleaner is arranged in an inner cavity of the condensation pipe opposite to the inflow chamber and is fixedly connected with the bracket.
Furthermore, the cleaner comprises a central shaft, an annular bearing seat, a plurality of flexible connecting rods, a cleaning ring and a connecting rod, wherein the outer side surface of the cleaning ring is in slidable fit with an inner cavity of the condenser pipe, the cleaning ring is vertically arranged at equal intervals by utilizing the connecting rod, the annular bearing seats are provided with a plurality of cleaning rings and fixedly arranged on the central shaft at equal intervals, the flexible connecting rods comprise first connectors, second connectors, first connecting rods, second connecting rods, springs, first connecting plates and second connecting plates, the first connectors and the second connectors are fixedly arranged at the outer side ends of the first connecting rods and the inner side ends of the second connecting rods respectively, the springs are fixedly sleeved on the first connecting rods and the second connecting rods, and the first connecting plates and the second connecting plates are fixedly arranged at the outer side ends of the first connectors and the inner side ends of the second connectors respectively, the first connecting plate and the second connecting plate are respectively and fixedly arranged on the side face of the annular bearing seat and the connecting rod, and the first connecting plate and the second connecting plate are fixedly arranged at an included angle of 45 degrees with the ground.
Furthermore, the surge tank comprises a tank body and a pressure control valve.
Furthermore, the guide part comprises a guide sleeve and a guide rod, the guide rod is arranged on the bracket, the guide sleeve is fixedly arranged in the inflow chamber, and the guide rod is slidably arranged in the guide sleeve.
Has the advantages that:
this application has realized that gaseous stability is controllable through the gas of steady pressure of surge tank input stability pressure in to the inflow room, and the cleaning device who sets up can utilize the gas of fixed pressure as power, can clear up the condensation tube bank inner chamber relative to the inflow room, solves because of the condensate flow direction easily accumulates the problem that thick liquid film causes the condensation effect poor.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the cleaning apparatus of the present invention;
FIG. 3 is a top view of the cleaner of the present invention;
FIG. 4 is a front view of the sweeper of the present invention;
fig. 5 is a schematic view of the arrangement of the first connecting plate or the second connecting plate of the present invention.
In the figure: condenser-10, condenser tube bundle-11, inflow chamber-12, outflow chamber-13, rotary chamber-14, concentrator-20, recovery cylinder-30, pressure stabilizing tank-40, box-401, pressure control valve-402, cleaning device-50, turbine-51, turbine box-52, cam-53, bracket-54, guide piece-55, transmission rod-56, cleaning device-57, rotating shaft-58, guide sleeve-550, guide rod-551, central shaft-560, annular bearing seat-561, cleaning ring-562, connecting rod-563, flexible connecting rod-564, first connector-565, second connector-566, first connecting rod-567, second connecting rod-568, spring-569, A first connecting plate-570 and a second connecting plate-571.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to the drawings, the present invention provides an embodiment: a low-temperature recovery device for organic solvent comprises a condenser 10, wherein a condensing tube bundle 11 is arranged in the middle section of the condenser 10, an inflow chamber 12 and an outflow chamber 13 are arranged in parallel relative to the top end of the condensing tube bundle 11, a rotary chamber 14 is arranged relative to the bottom end of the condensing tube 11, and a refrigerant flows through the outer edge of the condensing tube bundle 11; a concentrator 20, wherein the concentrated VOCs waste gas stream desorbed from the concentrator 20 is guided to the inlet chamber 12, flows through the condensing tube bundle 11 disposed opposite to the inlet chamber 12 to the turn chamber 14, and flows through the condensing tube bundle 11 disposed opposite to the outlet chamber 13 for discharge; a recycling bin 30, the liquid VOCs dropping to the rotary chamber 14 and being recycled by the recycling bin 30 connected to the rotary chamber 14, the recycling apparatus further comprising
The pressure stabilizing box 40 is arranged outside the inflow chamber 12, the concentrated VOCs waste gas airflow generated by the concentrator 20 passes through the pressure stabilizing box 40 and then is discharged into the inflow chamber 12 with fixed strength, and the pressure stabilizing box 40 comprises a box body 401 and a pressure control valve 402.
A cleaning device 50, said cleaning device 50 is arranged in the inflow chamber 11, said cleaning device 50 comprises a turbine 51, a turbine box 52, a cam 53, a bracket 54, a guide 55, a transmission rod 56 and a cleaner 57, said turbine box 52 is communicated with the inlet of the inflow chamber 12, and the turbine box 52 has an outlet, said turbine 51 is horizontally and rotatably arranged in the turbine box 52, and a rotating shaft 58 of the turbine 51 extends out of the turbine box 52, the center of said cam 53 is fixedly arranged on the rotating shaft 58, said transmission rod 56 is arranged on the cam 53, one end of said bracket 54 is fixedly connected with the transmission rod 56, said guide 55 is arranged in the inflow chamber 12 and is fixedly connected with the other end of the bracket 54, said cleaner 57 is arranged in the inner cavity of the condensation pipe 11 opposite to the inflow chamber 12 and is fixedly connected with the bracket 54, said guide 55 comprises a guide sleeve 550 and a guide rod 551, the guide rod 551 is disposed on the bracket 54, the guide sleeve 550 is fixedly disposed in the inflow chamber 12, and the guide rod 551 is slidably disposed in the guide sleeve 550.
Specifically, the cleaner 56 comprises a central shaft 560, an annular bearing seat 561, a plurality of cleaning rings 562, a connecting rod 563 and a flexible connecting rod 564, the outer side surface of each cleaning ring 562 is slidably fitted with the inner cavity of the condenser tube 11, the plurality of cleaning rings 562 are arranged and vertically arranged at equal intervals by the connecting rod 563, the plurality of annular bearing seats 561 are arranged and fixedly arranged on the central shaft 560 at equal intervals, the flexible connecting rod 564 comprises a first connector 565, a second connector 566, a first connecting rod 567, a second connecting rod 568, a spring 569, a first connecting plate 570 and a second connecting plate 571, the first connector 565 and the second connector 566 are fixedly arranged at the outer side end of the first connecting rod 567 and the inner side end of the second connecting rod 568, the spring 569 is fixedly sleeved on the first connecting rod 567 and the second connecting rod 568, the outer side end of the first connecting head 565 and the inner side end of the second connecting head 566 are respectively and fixedly provided with a first connecting plate 570 and a second connecting plate 571, the first connecting plate 570 and the second connecting plate 571 are respectively and fixedly arranged on the side surface of the annular bearing seat 561 and the connecting rod 563, and the first connecting plate 570 and the second connecting plate 571 are respectively and fixedly arranged at an included angle of 45 degrees with the ground.
The working principle is as follows:
the gas with fixed strength enters the turbine box 52, the gas blows the turbine 51 to rotate, and then drives the cam 53 to rotate, the transmission rod 56 follows to realize lifting, the lifting transmission rod 56 drives the bracket 54 to lift, the bracket 54 drives the cleaner 57 to lift,
the cleaning ring 562 of the cleaning device 57 can clean the inner side surface of the condensation tube bundle 11, because the flexible connecting rod 564 is arranged between the central shaft 560 and the cleaning ring 562, the flexible connecting rod 564 allows the cleaning ring 562 to relatively move relative to the annular bearing seat 561, the spring 569 provides elastic force, so far, the cleaning ring 56 can have a vibration effect, the cleaning effect is increased, after the gas in the inflow chamber 12 enters the condensation tube bundle 11, forward and downward pressure can be applied to the first connecting plate 570 and the second connecting plate 571, an included angle of 45 degrees is formed between the first connecting plate 570 and the second connecting plate 571 and the horizontal plane, the cleaning ring 562 has a rotating action, the cleaning effect is further increased, and the use effect is good.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. A low-temperature recovery device for organic solvent comprises a condenser, wherein a condensation tube bundle is arranged in the middle section of the condenser, an inflow chamber and an outflow chamber are arranged in parallel relative to the top end of the condensation tube bundle, a rotary chamber is arranged relative to the bottom end of the condensation tube, and a refrigerant flows through the outer edge of the condensation tube bundle; a concentrator, wherein the concentrated VOCs waste gas stream desorbed from the concentrator is guided to the inflow chamber, flows to the rotation chamber through a condensation tube bundle arranged opposite to the inflow chamber, flows to the outflow chamber through a condensation tube bundle arranged opposite to the outflow chamber, and is discharged; a recycling cylinder, the liquid VOCs dropping to the rotary chamber and being recycled by the recycling cylinder connected to the rotary chamber, characterized in that the recycling device also comprises
The pressure stabilizing box is arranged outside the inflow chamber, and concentrated VOCs waste gas airflow generated by the concentrator passes through the pressure stabilizing box and then is discharged into the inflow chamber into airflow with fixed intensity;
the cleaning device is arranged in the inflow chamber and comprises a turbine, a turbine box, a cam, a bracket, a guide part, a transmission rod and a cleaner, wherein the turbine box is communicated with the inlet of the inflow chamber and is provided with an outlet, the turbine is horizontally and rotatably arranged in the turbine box, a rotating shaft of the turbine extends out of the turbine box, the center of the cam is fixedly arranged on the rotating shaft, the transmission rod is arranged on the cam, one end of the bracket is fixedly connected with the transmission rod, the guide part is arranged in the inflow chamber and is fixedly connected with the other end of the bracket, and the cleaner is arranged in an inner cavity of the condensation pipe opposite to the inflow chamber and is fixedly connected with the bracket.
2. The low-temperature recovery device of organic solvent according to claim 1, wherein: the cleaner comprises a central shaft, a plurality of annular bearing seats, a flexible connecting rod, a cleaning ring and a connecting rod, wherein the outer side surface of the cleaning ring is matched with the inner cavity of the condenser pipe in a sliding manner, the cleaning ring is vertically arranged at equal intervals by utilizing the connecting rod, the annular bearing seats are arranged in plurality and fixedly arranged on the central shaft at equal intervals, the flexible connecting rod comprises a first connector, a second connector, a first connecting rod, a second connecting rod, a spring, a first connecting plate and a second connecting plate, the first connector and the second connector are respectively and fixedly arranged at the outer side end of the first connecting rod and the inner side end of the second connecting rod, the spring is fixedly sleeved on the first connecting rod and the second connecting rod, the outer side end of the first connector and the inner side end of the second connector are respectively and fixedly provided with the first connecting plate and the second connecting plate, the first connecting plate and the second connecting plate are respectively and fixedly arranged on the side face of the annular bearing seat and the connecting rod, and the first connecting plate and the second connecting plate are fixedly arranged at an included angle of 45 degrees with the ground.
3. The low-temperature recovery device of organic solvent according to claim 2, wherein: the pressure stabilizing box comprises a box body and a pressure control valve.
4. The low-temperature recovery device of organic solvent according to claim 3, wherein: the guide piece comprises a guide sleeve and a guide rod, the guide rod is arranged on the bracket, the guide sleeve is fixedly arranged in the inflow chamber, and the guide rod is slidably arranged in the guide sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011391787.0A CN112587951B (en) | 2020-12-02 | 2020-12-02 | Organic solvent low temperature recovery unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011391787.0A CN112587951B (en) | 2020-12-02 | 2020-12-02 | Organic solvent low temperature recovery unit |
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| Publication Number | Publication Date |
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| CN112587951A true CN112587951A (en) | 2021-04-02 |
| CN112587951B CN112587951B (en) | 2022-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011391787.0A Active CN112587951B (en) | 2020-12-02 | 2020-12-02 | Organic solvent low temperature recovery unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114739119A (en) * | 2022-04-06 | 2022-07-12 | 安徽恒星世纪空调制冷设备有限公司 | VOCs cryogenic condensation treatment device and treatment method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN112587951B (en) | 2022-10-21 |
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