CN210613279U - Rotary wheel type self-defrosting condensing device - Google Patents
Rotary wheel type self-defrosting condensing device Download PDFInfo
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- CN210613279U CN210613279U CN201921569075.6U CN201921569075U CN210613279U CN 210613279 U CN210613279 U CN 210613279U CN 201921569075 U CN201921569075 U CN 201921569075U CN 210613279 U CN210613279 U CN 210613279U
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Abstract
The utility model provides a runner formula is from defrosting condensing equipment, relates to gaseous purification technical field, what solve is the technical problem that current condensing equipment easily frosted. The device comprises a case, a rotary wheel type condensation core body arranged in the case, and a rotary wheel driving motor for driving the condensation core body to rotate; a first cooling cavity and a second cooling cavity are formed on the cooling side of the case, and a first processing cavity and a second processing cavity are formed on the processing side of the case; a plurality of vertically-through condensation channels are formed on the condensation core body, and the first cooling cavity is communicated with the second cooling cavity through the condensation channels positioned on the cooling side of the chassis; the first treatment cavity and the second treatment cavity are sequentially divided into N mutually separated treatment areas from front to back along the positive rotation direction of the condensation core body; each processing area in the first processing cavity and the second processing cavity is communicated in sequence through a condensation channel and an interval connecting pipeline which are positioned at the processing side of the case. The device provided by the utility model for organic gas's VOCs handles.
Description
Technical Field
The utility model relates to a gas purification technique especially relates to a runner formula is from defrosting condensing equipment's technique.
Background
The emission of high-concentration volatile organic gases (VOCs) exists in various aspects of industrial processes, such as tank field oil gas, finished oil loading and unloading, chemical production process emission and the like. The condensation method is a common method for treating the discharge of high-concentration VOCs, can solve the problem of VOCs pollution, can recover a large amount of high-value organic matters, and has good economical efficiency.
In the process of removing VOCs by condensation, the process gas is often cooled to a very low temperature (often below the melting point of some of the gaseous components of VOCs in the process gas) in order to achieve sufficient removal, which may result in frost formation on the surface of the condenser, thereby preventing further heat exchange and condensation. Therefore, the defrosting operation is necessary when the condenser is operated.
The existing defrosting mode basically utilizes the heat of self-processing gas or the heat of refrigerant steam from the outlet of a compressor to defrost through the switching of double condensers, the whole equipment is large in size, complex in system, difficult to control, low in reliability and long in defrosting period, and the existing defrosting mode cannot adapt to the changes of waste gas components, concentration, flow and the like in the processing gas.
SUMMERY OF THE UTILITY MODEL
To the defect that exists among the above-mentioned prior art, the utility model aims to solve the technical problem that a small is provided, simple structure, and the reliability is high, the runner formula of defrosting cycle weak point is from defrosting condensing equipment.
In order to solve the technical problem, the utility model provides a runner type is from defrosting condensing equipment which characterized in that: the condensation device comprises a case, a rotary wheel type condensation core body arranged in the case, and a rotary wheel driving motor used for driving the condensation core body to rotate;
the left part of the case is a cooling side, the right part of the case is a processing side, a first cooling cavity and a second cooling cavity are formed on the cooling side of the case, and a first processing cavity and a second processing cavity are formed on the processing side of the case;
a plurality of vertically through condensation channels are formed on the condensation core body, and each condensation channel can move back and forth between the cooling side and the processing side of the case along with the rotation of the condensation core body;
the first cooling cavity is provided with a cooling gas inlet, the second cooling cavity is provided with a cooling gas outlet, and the first cooling cavity is communicated with the second cooling cavity through a condensation channel positioned on the cooling side of the case;
the first treatment cavity and the second treatment cavity are sequentially divided into N mutually separated treatment areas from front to back along the positive rotation direction of the condensation core body;
if j is more than or equal to 1 and less than or equal to N, and k is more than or equal to 1 and less than or equal to N-1, the connection relationship between the processing areas in the first processing cavity and the second processing cavity is as follows:
the jth treatment area in the first treatment cavity and the jth treatment area in the second treatment cavity are communicated with each other through a condensation channel positioned on the treatment side of the case;
the first kth processing area in the second processing cavity and the first (k + 1) th processing area in the first processing cavity are communicated with each other through an interval connecting pipeline, and a gas-liquid separator is arranged at the pipeline opening of the interval connecting pipeline;
the 1 st treatment area in the front of the first treatment cavity is provided with a treatment gas inlet, and the Nth treatment area in the front of the second treatment cavity is provided with a treatment gas outlet.
Further, the system also comprises a liquid storage tank, a cooling fan, an after-cooling heat exchanger and a processing air inlet precooler for refrigerating the gas;
a low-temperature side air inlet of the after-cooling heat exchanger is connected to a treated air outlet of an Nth treatment area in front of the second treatment chamber, a low-temperature side air outlet of the after-cooling heat exchanger is connected to a treated air discharge point, a high-temperature side air outlet of the after-cooling heat exchanger is connected to a cooling air inlet of the first cooling chamber, a high-temperature side air inlet of the after-cooling heat exchanger is connected to an air outlet of a cooling fan, and an air inlet of the cooling fan is connected to a cooling air outlet of the second cooling chamber;
the air outlet of the treatment air inlet precooler is connected to a treatment air inlet of the 1 st treatment area in front of the first treatment cavity, and the air inlet of the treatment air inlet precooler is connected to a treatment air source;
and liquid discharge ports of all gas-liquid separators in the case are connected to a liquid inlet of the liquid storage tank through valves.
Further, a liquid nitrogen spray pipe used for spraying liquid nitrogen into the first cooling cavity is arranged on the case.
Furthermore, a pressure release valve is arranged on a connecting pipeline between the air inlet of the cooling fan and the cooling air outlet of the second cooling cavity.
The utility model provides a runner formula is from defrosting condensing equipment, the condensing passage who utilizes runner formula condensation core is in the cooling side, the cooling of processing side round trip movement realization condensing passage, and through processing a plurality of treatment areas of side design, make the reciprocal flow through condensing passage from top to bottom of process gas, and when handling, because the temperature of each condensing passage risees step by step, thereby frosting has been avoided, the puzzlement of defrosting, the function of defrosting has been realized certainly, a structure is simple, small, and the reliability is high, have the short characteristics of defrosting cycle.
Drawings
Fig. 1 is a schematic structural view of a rotating wheel type self-defrosting condensing device according to an embodiment of the present invention, in which a machine box is partially cut;
fig. 2 is a schematic view of an internal structure of a cabinet in the rotary self-defrosting condensing device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a rotary self-defrosting condensing device according to an embodiment of the present invention.
Detailed Description
The following description is provided for further details of the embodiments of the present invention with reference to the accompanying drawings, but this embodiment is not intended to limit the present invention, and all similar structures and similar variations thereof adopted by the present invention should be included in the protection scope of the present invention.
As shown in fig. 1-2, an embodiment of the present invention provides a rotary self-defrosting condensing device, which is characterized in that: the condensation device comprises a case 1, a rotary wheel type condensation core body 2 arranged in the case, and a rotary wheel driving motor 3 for driving the condensation core body to rotate;
the left part of the case 1 is a cooling side, the right part of the case is a processing side, a first cooling cavity 4 and a second cooling cavity 5 are formed on the cooling side of the case, and a first processing cavity and a second processing cavity are formed on the processing side of the case;
a plurality of vertically through condensation channels are formed on the condensation core body 2, and each condensation channel can move back and forth between the cooling side and the processing side of the case along with the rotation of the condensation core body;
the first cooling cavity 4 is provided with a cooling gas inlet, the second cooling cavity 5 is provided with a cooling gas outlet, and the first cooling cavity 4 is communicated with the second cooling cavity 5 through a condensation channel positioned on the cooling side of the chassis;
the first processing cavity is sequentially divided into N mutually isolated processing areas 6 from front to back along the forward rotation direction of the condensation core body 2 (N =4 in the embodiment, and the value of N in other embodiments may be 2, 3, or more than 4); the second treatment cavity is sequentially divided into N treatment areas 7 which are mutually separated from each other from front to back along the positive rotation direction of the condensation core body 2;
if j is more than or equal to 1 and less than or equal to N, and k is more than or equal to 1 and less than or equal to N-1, the connection relationship between the processing areas in the first processing cavity and the second processing cavity is as follows:
the first jth processing area 6 in the first processing cavity and the first jth processing area 7 in the second processing cavity are communicated with each other through a condensation channel positioned on the processing side of the case;
the first kth processing area 6 in the second processing cavity and the first (k + 1) th processing area 7 in the first processing cavity are communicated with each other through an interval connecting pipeline 8, and a gas-liquid separator (not shown) is arranged at the pipeline opening of the interval connecting pipeline 8;
the first 1 st treatment area 6 in the front of the first treatment cavity is provided with a treatment gas inlet, and the Nth treatment area 7 in the front of the second treatment cavity is provided with a treatment gas outlet.
The embodiment of the utility model provides a be used for handling high concentration volatile organic compounds VOCs, its theory of operation as follows:
the rotating wheel driving motor drives the condensation core body to rotate forwards slowly, low-temperature cooling gas is introduced into the first cooling cavity through the cooling gas inlet, flows through the condensation channel on the cooling side of the case, enters the second cooling cavity and is discharged from the cooling gas outlet, and the low-temperature cooling gas can cool the condensation channel on the cooling side of the case in the process;
the cooled condensation channel moves into the treatment side along with the positive rotation of the condensation core body and sequentially passes through the treatment areas of the first treatment cavity and the second treatment cavity;
along the positive rotation direction of the condensation core body, according to the sequence from front to back, the treatment gas (the waste gas to be treated containing high-concentration VOCs) firstly enters the 1 st treatment area of the first treatment cavity through the treatment gas inlet, then enters the 1 st treatment area of the second treatment cavity after flowing through the condensation channel at the treatment area, then the wastewater enters a 2 nd treatment area of the first treatment cavity through a first interval connecting pipeline, then sequentially passes through a condensation channel, a 2 nd treatment area of the second treatment cavity, a second interval connecting pipeline, a 3 rd treatment area of the first treatment cavity, a condensation channel, a 3 rd treatment area of the second treatment cavity, a third interval connecting pipeline, a 4 th treatment area of the first treatment cavity, the condensation channel and a 4 th treatment area of the second treatment cavity according to similar flowing routes, and finally is discharged from a treated gas outlet of the 4 th treatment area of the second treatment cavity; in the flowing process, the rotating direction of the condensing core body is opposite to the flowing direction of the treatment gas, so that a counter-flow arrangement is formed, and liquid drops mixed in the treatment gas can be effectively filtered through the gas-liquid separation function of the gas-liquid separators at the pipeline openings of the connecting pipelines of all the sections; in the flowing process, the VOCs in the treatment gas is condensed on the surface of the condensation channel to form a thin organic solvent liquid film due to the high concentration of the VOCs in the treatment gas and the low surface temperature of the condensation channel, when organic components with relatively high melting points in the treatment gas begin to frost on the surface of the condensation channel, the condensation channel can quickly shift to the next treatment area with higher temperature along with the condensation core body, and frost is melted under the treatment gas with higher temperature, so that the self-defrosting function is realized;
when water vapor in the treatment gas begins to frost on the surface of the organic liquid film (at the moment, the temperature is slightly lower than 0 ℃), a large amount of saturated organic VOCs are condensed around water ice, a large amount of condensed heat is released near the water ice, the defrosting or water ice expansion preventing effect is achieved, and the surface tension of water is far larger than that of most organic solvents, so that the organic solvents are prior to liquid water and the water ice and wet with the surface of a condensation channel, the liquid water and the water ice are not easy to expand, the water ice is transferred to a next higher-temperature treatment area along with the condensation core body and then is defrosted under the treatment gas with higher temperature, and the self-defrosting function is achieved.
When the composition, temperature and concentration of the inlet air of the treatment gas are changed or the concentration of the outlet air is required to be changed, the treatment requirements of different treatment gases can be met only by changing the temperature and air volume of the cooling gas and the rotating speed of the condensation core body.
The embodiment of the utility model provides an in, the cold volume of cooling gas can come from the direct evaporation gasification of liquid nitrogen, and low temperature compression refrigerating system also can come from the useless cold of LNG vaporization etc..
As shown in fig. 3, the embodiment of the present invention further includes a liquid storage tank 12, a cooling fan 14, an after-cooling heat exchanger 10, and a process inlet precooler 11 for refrigerating gas;
the air outlet of the processing air inlet precooler 11 is connected to the processing air inlet of the 1 st processing area 6 in front of the first processing cavity, and the air inlet of the processing air inlet precooler 11 is connected to a processing air source; the treatment air inlet precooler 11 is in the prior art and is used for performing pre-cooling treatment on the treatment air so as to improve the treatment efficiency of the treatment air;
liquid discharge ports of the gas-liquid separators in the case 1 are connected to a liquid inlet of a liquid storage tank 12 through valves 13, and a liquid nitrogen spray pipe 9 for spraying liquid nitrogen into the first cooling cavity 4 is arranged on the case 1; the liquid nitrogen spray pipe is used for supplementing cold energy to the cooling side of the case;
a low-temperature side air inlet of the back-cooling heat exchanger 10 is connected to a treated gas outlet of an Nth treatment area 7 in front of the second treatment chamber, a low-temperature side air outlet of the back-cooling heat exchanger 10 is connected to a treated gas discharge point, a high-temperature side air outlet of the back-cooling heat exchanger 10 is connected to a cooling gas inlet of the first cooling chamber 4, a high-temperature side air inlet of the back-cooling heat exchanger 10 is connected to an air outlet of a cooling fan 14, an air inlet of the cooling fan 14 is connected to a cooling gas outlet of the second cooling chamber 5, and a pressure release valve 15 is arranged on a connecting pipeline between the air inlet of the cooling fan and the cooling gas outlet of the second cooling chamber;
after the treatment gas passes through each treatment area of the first treatment cavity and the second treatment cavity in the case, a large amount of cold energy is absorbed, and after the treatment gas is led into the after-cooling heat exchanger 10, the treatment gas can exchange heat with the cooling gas discharged from the second cooling cavity to refrigerate the cooling gas discharged from the second cooling cavity, so that the energy is fully utilized.
Claims (4)
1. The utility model provides a runner formula is from defrosting condensing equipment which characterized in that: the condensation device comprises a case, a rotary wheel type condensation core body arranged in the case, and a rotary wheel driving motor used for driving the condensation core body to rotate;
the left part of the case is a cooling side, the right part of the case is a processing side, a first cooling cavity and a second cooling cavity are formed on the cooling side of the case, and a first processing cavity and a second processing cavity are formed on the processing side of the case;
a plurality of vertically through condensation channels are formed on the condensation core body, and each condensation channel can move back and forth between the cooling side and the processing side of the case along with the rotation of the condensation core body;
the first cooling cavity is provided with a cooling gas inlet, the second cooling cavity is provided with a cooling gas outlet, and the first cooling cavity is communicated with the second cooling cavity through a condensation channel positioned on the cooling side of the case;
the first treatment cavity and the second treatment cavity are sequentially divided into N mutually separated treatment areas from front to back along the positive rotation direction of the condensation core body;
if j is more than or equal to 1 and less than or equal to N, and k is more than or equal to 1 and less than or equal to N-1, the connection relationship between the processing areas in the first processing cavity and the second processing cavity is as follows:
the jth treatment area in the first treatment cavity and the jth treatment area in the second treatment cavity are communicated with each other through a condensation channel positioned on the treatment side of the case;
the first kth processing area in the second processing cavity and the first (k + 1) th processing area in the first processing cavity are communicated with each other through an interval connecting pipeline, and a gas-liquid separator is arranged at the pipeline opening of the interval connecting pipeline;
the 1 st treatment area in the front of the first treatment cavity is provided with a treatment gas inlet, and the Nth treatment area in the front of the second treatment cavity is provided with a treatment gas outlet.
2. A wheeler self-defrosting condensing unit of claim 1 wherein: the system also comprises a liquid storage tank, a cooling fan, a post-cooling heat exchanger and a treatment air inlet precooler for refrigerating gas;
a low-temperature side air inlet of the after-cooling heat exchanger is connected to a treated air outlet of an Nth treatment area in front of the second treatment chamber, a low-temperature side air outlet of the after-cooling heat exchanger is connected to a treated air discharge point, a high-temperature side air outlet of the after-cooling heat exchanger is connected to a cooling air inlet of the first cooling chamber, a high-temperature side air inlet of the after-cooling heat exchanger is connected to an air outlet of a cooling fan, and an air inlet of the cooling fan is connected to a cooling air outlet of the second cooling chamber;
the air outlet of the treatment air inlet precooler is connected to a treatment air inlet of the 1 st treatment area in front of the first treatment cavity, and the air inlet of the treatment air inlet precooler is connected to a treatment air source;
and liquid discharge ports of all gas-liquid separators in the case are connected to a liquid inlet of the liquid storage tank through valves.
3. A wheeler self-defrosting condensing unit of claim 1 wherein: and a liquid nitrogen spray pipe for spraying liquid nitrogen into the first cooling cavity is arranged on the case.
4. A wheeler self-defrosting condensing unit of claim 2 wherein: and a pressure release valve is arranged on a connecting pipeline between the air inlet of the cooling fan and the cooling air outlet of the second cooling cavity.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921520763 | 2019-09-09 | ||
| CN2019215207633 | 2019-09-09 |
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| CN210613279U true CN210613279U (en) | 2020-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921569075.6U Active CN210613279U (en) | 2019-09-09 | 2019-09-20 | Rotary wheel type self-defrosting condensing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110508090A (en) * | 2019-09-09 | 2019-11-29 | 轮通空调节能设备（上海）有限公司 | Rotary-type defrosting condensing unit certainly |
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- 2019-09-20 CN CN201921569075.6U patent/CN210613279U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110508090A (en) * | 2019-09-09 | 2019-11-29 | 轮通空调节能设备（上海）有限公司 | Rotary-type defrosting condensing unit certainly |
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