CN217004480U - Recovery system - Google Patents
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- CN217004480U CN217004480U CN202220430296.0U CN202220430296U CN217004480U CN 217004480 U CN217004480 U CN 217004480U CN 202220430296 U CN202220430296 U CN 202220430296U CN 217004480 U CN217004480 U CN 217004480U
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Abstract
The present invention provides a recycling system comprising: the system comprises a conveying unit, a heat exchange unit, a refrigeration unit and a recovery unit; the conveying unit is respectively connected with the heat exchange unit and the refrigerating unit and is used for conveying a medium to be treated to the heat exchange unit and the refrigerating unit; the heat exchange unit is respectively connected with the refrigeration unit and the recovery unit; the medium to be treated enters the heat exchange unit to exchange heat to realize gas-liquid separation, the separated liquid medium to be recovered flows into the recovery unit, and the separated medium to be treated flows into the refrigeration unit; the refrigeration unit utilizes the heat energy generated by part of the medium to be treated conveyed by the combustion conveying unit to prepare cold energy, condenses the medium to be treated, and after gas-liquid separation, the separated liquid medium to be recovered flows into the recovery unit. The utility model drives the refrigerator to provide a low-temperature environment by utilizing high-temperature heat energy generated by burning part of the medium to be processed, realizes liquefaction of the residual medium to be processed and meets the requirement of recycling the medium to be recycled in the medium to be processed.
Description
Technical Field
The utility model relates to the technical field of energy, in particular to a recovery system.
Background
Volatile Organic Compounds (VOCs) are important precursors for the formation of ozone and PM2.5, and emission control thereof directly affects the ecological environment, human health and economic development. Therefore, it is necessary to take measures to reduce the emission of VOCs.
The existing VOCs tail end treatment technology mainly comprises a destruction technology and a recovery technology. The former mainly includes thermal oxidation, catalytic oxidation, etc.; the latter mainly includes absorption, adsorption, membrane separation and condensation. For waste gas components with high value, resource waste and economic loss can be caused by adopting a destroying technology; the absorption, adsorption and membrane separation recovery technologies can cause secondary pollution and higher cost; the traditional condensation method has the cooling temperature of-80 ℃ generally, the traditional emission concentration limiting standard is difficult to meet, and the system structure is complicated because a multi-stage overlapping mode needs to be designed when the temperature reaches lower temperature.
SUMMERY OF THE UTILITY MODEL
The utility model provides a recovery system, which is used for solving the defect that the existing tail end treatment technology of VOCs is difficult to meet the existing emission concentration limiting standard, and the tail end treatment technology of VOCs needs to be designed into a multi-stage overlapping form when reaching lower temperature, so that the system structure is complex.
According to the present invention, there is provided a recycling system comprising: the system comprises a conveying unit, a heat exchange unit, a refrigeration unit and a recovery unit;
the conveying unit is respectively connected with the heat exchange unit and the refrigerating unit and is used for conveying a medium to be treated to the heat exchange unit and the refrigerating unit;
the heat exchange unit is respectively connected with the refrigeration unit and the recovery unit;
the medium to be treated enters the heat exchange unit to exchange heat to realize gas-liquid separation, the separated liquid medium to be recovered flows into the recovery unit, and the separated medium to be treated flows into the refrigeration unit;
the refrigeration unit utilizes heat energy generated by combusting part of the medium to be treated conveyed by the conveying unit to prepare cold energy, condenses the medium to be treated, and after gas-liquid separation, the separated liquid medium to be recovered flows into the recovery unit.
It should be noted that there are economic, environmental and social benefits by providing a system that can effectively recover high-value VOCs.
According to one embodiment of the utility model, the heat exchange unit comprises: the system comprises a first heat exchanger, a second heat exchanger and a first gas-liquid separator;
the recovery unit includes: a condensate storage tank;
the conveying unit is respectively connected with the inlet end of the first heat exchanger and the inlet end of the refrigerating unit;
the outlet end of the first heat exchanger is connected with the inlet end of the first gas-liquid separator;
the outlet end of the first gas-liquid separator is respectively connected with the second heat exchanger and the condensate storage tank;
the refrigeration unit is connected with the second heat exchanger;
the outlet end of the second heat exchanger is connected with the condensate storage tank;
after the heat exchange of the medium to be treated is carried out in the first heat exchanger, the medium to be treated enters the first gas-liquid separator for gas-liquid separation, the separated liquid medium to be recovered flows into the condensate storage tank, and the separated medium to be treated flows into the second heat exchanger;
and the medium to be treated enters the refrigerating unit to realize the preparation of cold energy, the cold energy exchanges heat with the medium to be treated in the second heat exchanger, and the condensed medium to be recovered flows into the recovery unit.
Particularly, the embodiment provides an implementation mode of a heat exchange unit and a recovery unit, and the recovery of a medium to be recovered is realized by arranging a first heat exchanger, a second heat exchanger, a first gas-liquid separator and a condensate storage tank.
According to one embodiment of the utility model, the refrigeration unit comprises: a combustion chamber, a hot end and a cold end;
the combustion chamber, the hot end and the cold end are sequentially connected;
wherein the combustion chamber is connected with the conveying unit;
the cold end is connected with the second heat exchanger.
Particularly, this embodiment provides a refrigeration unit's embodiment, through setting up the combustion chamber, has realized that part pending medium burns in the combustion chamber, and the high temperature heat energy that the burning produced transmits for the hot junction, and the heat energy of hot junction then drives the cold junction and refrigerate, and the cold volume of cold junction carries out the heat exchange through second heat exchanger and pending medium that flows through, realizes liquefying to pending medium condensation that flows through.
According to an embodiment of the present invention, the heat exchange unit further comprises: a second gas-liquid separator;
the inlet end of the second gas-liquid separator is connected with the outlet end of the second heat exchanger, and the outlet end of the second gas-liquid separator is connected with the condensate storage tank;
and after exchanging heat with the cold energy in the second heat exchanger, the medium to be treated enters the second gas-liquid separator for gas-liquid separation, and the separated liquid medium to be recovered flows into the condensate storage tank.
Specifically, this embodiment provides an implementation mode of heat exchange unit, through setting up second vapour and liquid separator, has realized carrying out gas-liquid separation to the medium to be treated after being cryocondensation in the second heat exchanger, and the medium to be retrieved after the separation relies on the dead weight to flow into the condensate storage tank.
According to one embodiment of the utility model, the outlet end of the second gas-liquid separator is connected to the inlet end of the first heat exchanger;
and the medium to be treated after gas-liquid separation in the second gas-liquid separator enters the first heat exchanger and exchanges heat with the medium to be treated from the conveying unit.
Specifically, this embodiment provides an implementation manner of the second gas-liquid separator, and the medium to be processed after passing through the second gas-liquid separator still carries a certain degree of cold energy, and the medium to be processed separated by the second gas-liquid separator is introduced into the first heat exchanger, so that the cold energy is recycled, and the system efficiency is improved.
According to an embodiment of the present invention, further comprising: the first valve body is arranged on a pipeline connecting the first heat exchanger and the refrigeration unit;
after the medium to be treated after gas-liquid separation exchanges heat with the flowing medium to be treated in the first heat exchanger, the medium to be treated flows back to the refrigeration unit through the adjustment of the first valve body, so that the refrigeration unit can prepare the cold energy for supplying energy.
Particularly, this embodiment provides an embodiment of first valve body, through setting up first valve body, has realized carrying the pending medium after the heat transfer in the first heat exchanger to the combustion chamber of refrigerating unit in, and then has realized the refrigerated energy supply of refrigerating unit.
According to an embodiment of the present invention, further comprising: the second valve body is arranged on a pipeline connecting the first heat exchanger with the external environment;
after the medium to be treated after gas-liquid separation exchanges heat with the flowing medium to be treated in the first heat exchanger, the medium to be treated is adjusted by the second valve body to be discharged to the external environment.
Particularly, this embodiment provides an embodiment of second valve body, through setting up the second valve body, has realized with heat transfer back in the first heat exchanger, and the pending medium discharge to the atmosphere of purification.
According to an embodiment of the utility model, the recovery unit further comprises: a third valve body and a liquid discharge pump;
the liquid discharge pump and the third valve body are arranged on a pipeline connected with the condensate storage tank and the refrigeration unit in series;
the liquid medium to be recovered stored in the condensate storage tank is conveyed to the refrigeration unit through the liquid discharge pump and the third valve body, so that refrigeration capacity is provided for the refrigeration unit.
Particularly, this embodiment provides a recovery unit's embodiment, and the setting of flowing back pump has realized waiting to retrieve the medium with the part in the condensate storage tank and has carried to the refrigerating unit in, and then provides cold volume to the refrigerating unit after the process burning, and the cooling condensation waits to handle the medium, realizes waiting to handle the zero release of medium.
It should be noted that after the cold energy is recovered, the purified gas meeting the requirement of the emission concentration is used for diluting the incoming flow of the medium to be treated and enters the combustion chamber together for combustion, so that zero emission of the VOCs in the recovery process can be realized.
According to one embodiment of the utility model, the transport unit comprises: a fourth valve body and a fifth valve body;
the fourth valve body is arranged on a pipeline for conveying the medium to be treated to the heat exchange unit;
the fifth valve body is arranged on a pipeline for conveying the medium to be treated to the refrigerating unit;
the fourth valve body and the fifth valve body realize the adjustment of the flow of the medium to be processed conveyed to the heat exchange unit and the refrigeration unit.
Specifically, this embodiment provides an implementation mode of conveying unit, through setting up fourth valve body and fifth valve body, has realized adjusting the medium flow of treating that the conveying unit was carried for the medium flow of treating that enters into the combustion chamber and the medium flow of treating that the condensate that treats recovery was retrieved match.
According to an embodiment of the utility model, the transport unit further comprises: and the air blower conveys the medium to be treated to the heat exchange unit and the refrigeration unit respectively.
In particular, the present embodiment provides another implementation of the conveying unit, and the blower is arranged so that the medium to be treated can be conveyed to the heat exchange unit and the refrigeration unit under the action of the blower.
One or more technical schemes in the utility model have at least one of the following technical effects: according to the recovery system provided by the utility model, the medium to be processed is combusted to serve as high-temperature heat energy to drive the refrigerating machine to provide a low-temperature environment, so that the liquefaction of the residual medium to be processed is realized, the recovery requirement of the medium to be recovered in the medium to be processed is met, the extra power consumption is avoided, and the recovery system has economic benefits, environmental protection benefits and social benefits.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
In order to more clearly illustrate the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic diagram of the arrangement of a recycling system provided by the present invention.
Reference numerals:
10. a first heat exchanger; 11. a second heat exchanger; 20. a first gas-liquid separator; 21. a second gas-liquid separator; 30. a condensate storage tank; 40. a combustion chamber; 41. a hot end; 42. a cold end; 50. a first valve body; 60. a second valve body; 70. a third valve body; 80. a liquid discharge pump; 90. a fourth valve body; 100. a fifth valve body; 110. a blower.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In some embodiments of the present invention, as shown in fig. 1, the present solution provides a recycling system comprising: the system comprises a conveying unit, a heat exchange unit, a refrigeration unit and a recovery unit; the conveying unit is respectively connected with the heat exchange unit and the refrigerating unit and is used for conveying a medium to be treated to the heat exchange unit and the refrigerating unit; the heat exchange unit is respectively connected with the refrigeration unit and the recovery unit; the medium to be treated enters the heat exchange unit to exchange heat to realize gas-liquid separation, the separated liquid medium to be recovered flows into the recovery unit, and the separated medium to be treated flows into the refrigeration unit; the refrigerating unit utilizes the heat energy generated by part of the medium to be treated conveyed by the combustion conveying unit to prepare cold energy, the medium to be treated is cooled and condensed, and after gas-liquid separation, the separated liquid medium to be recovered flows into the recovery unit.
In detail, the utility model provides a recovery system, which is used for solving the defects that the existing tail end treatment technology of VOCs is difficult to meet the existing emission concentration limiting standard, and the tail end treatment technology of VOCs needs to be designed into a multi-stage overlapping form when the tail end treatment technology reaches lower temperature, so that the system structure is complex.
It should be noted that, by providing a method capable of efficiently recovering high-value VOCs, economic benefits, environmental benefits, and social benefits are achieved.
In a possible embodiment, the medium to be treated is an exhaust gas.
In a possible embodiment, the medium to be treated is a high value industrial waste gas containing VOCs.
In a possible embodiment, the utility model is applied in the industrial field of high-temperature waste heat.
In possible embodiments, the industrial fields of high-temperature waste heat include at least industrial coating, biopharmaceutical, petrochemical, and refrigeration fields, etc.
In a possible embodiment, the present invention is applied in the field of end treatment of VOCs.
In a possible embodiment, the medium to be recovered is VOCs in liquid form.
In a possible implementation mode, the process flow for recovering the VOCs by utilizing the thermally-driven low-temperature condensation provided by the utility model can be suitable for factory enterprises such as petrochemical industry, biopharmaceutical industry, industrial coating industry and the like, even remote areas with insufficient power supply and ocean-going mail ships.
In a possible embodiment, the process flow for recovering VOCs by using heat-driven low-temperature condensation provided by the utility model can also be applied to the field of recovering residual gas by consuming part of gas fuel, such as oilfield associated gas.
In some possible embodiments of the utility model, the heat exchange unit comprises: a first heat exchanger 10, a second heat exchanger 11 and a first gas-liquid separator 20.
The recovery unit includes: a condensate storage tank 30.
The delivery unit is connected to the inlet side of the first heat exchanger 10 and the inlet side of the refrigeration unit, respectively.
The outlet end of the first heat exchanger 10 is connected to the inlet end of a first gas-liquid separator 20.
The outlet ends of the first gas-liquid separator 20 are connected to the second heat exchanger 11 and the condensate storage tank 30, respectively.
The refrigeration unit is connected to the second heat exchanger 11.
The outlet end of the second heat exchanger 11 is connected to a condensate storage tank 30.
After entering the first heat exchanger 10 for heat exchange, the medium to be treated enters the first gas-liquid separator 20 for gas-liquid separation, the separated liquid medium to be recovered flows into the condensate storage tank 30, and the separated medium to be treated flows into the second heat exchanger 11.
The medium to be treated enters the refrigerating unit to realize the preparation of cold energy, the cold energy exchanges heat with the medium to be treated in the second heat exchanger 11, and the condensed medium to be recovered flows into the recovery unit.
Specifically, the present embodiment provides an implementation manner of a heat exchange unit and a recovery unit, and the recovery of the medium to be processed is realized by providing the first heat exchanger 10, the second heat exchanger 11, the first gas-liquid separator 20, and the condensate storage tank 30.
In a possible embodiment, after the heat exchange of the medium to be treated is performed by the first heat exchanger 10, the medium to be treated enters the first gas-liquid separator 20 for gas-liquid separation, and the medium to be recovered flows into the condensate storage tank 30 by gravity.
In a possible embodiment, the transport unit transports the medium to be treated to the refrigeration unit through another channel, so as to realize the purpose that the medium to be treated is used as the refrigeration unit to prepare cold energy for providing power, the refrigeration unit transports the cold energy to the second heat exchanger 11 after providing the cold energy, the gas separation medium separated in the first gas-liquid separator 20 enters the second heat exchanger 11, the gas separation medium exchanges heat with the cold energy, gas-liquid separation is performed again, and the liquid medium to be treated flows into the condensate storage tank 30.
In a possible embodiment, the medium to be recovered, condensed in the condensate storage tank 30, is transported by the cryo-pump 80 to the plant for re-refining or to the combustion chamber 40 for use as fuel.
In a possible embodiment, the first heat exchanger 10 is a shell-and-tube heat exchanger.
In a possible embodiment, the second heat exchanger 11 is a gas-solid heat exchanger.
In a possible embodiment, the second heat exchanger 11 is a heat exchanger in the form of an intermediate refrigerant heat exchange.
In a possible embodiment, the condensate storage tank 30 is a horizontal storage tank.
In some possible embodiments of the utility model, the refrigeration unit comprises: a combustion chamber 40, a hot end 41 and a cold end 42.
The combustion chamber 40, the hot end 41 and the cold end 42 are connected in sequence.
Wherein the combustion chamber 40 is connected to the delivery unit.
Specifically, the embodiment provides an implementation manner of a refrigeration unit, and by providing the combustion chamber 40, a part of the medium to be processed is combusted in the combustion chamber 40, high-temperature heat energy generated by the combustion is transferred to the hot end 41, the heat energy of the hot end 41 drives the cold end 42 to perform refrigeration, and the cold energy of the cold end 42 exchanges heat with the medium to be processed flowing through the second heat exchanger 11, so that the medium to be processed flowing through is condensed and liquefied.
In a possible embodiment, the refrigeration unit includes a refrigeration working medium therein, and the refrigeration working medium drives the refrigerator to operate by burning high-temperature heat energy of the medium to be processed, while avoiding additional power consumption.
In a possible implementation mode, the refrigeration working medium adopts helium, and it needs to be explained that the existing mechanical condensation recovery technology has high refrigeration temperature and is difficult to meet the increasingly strict discharge requirement of VOCs, and in order to obtain lower refrigeration temperature, a multi-stage overlapping structure needs to be designed, and in addition, the refrigeration working medium used by the system is a Freon series, and has the characteristics of flammability, explosiveness and greenhouse effect.
In a possible implementation mode, the refrigerating unit is a thermoacoustic refrigerator, and natural working media are adopted as refrigerating working media, so that the greenhouse effect caused by Freon series refrigerants can be avoided.
In a possible embodiment, the temperature of the warm end 41 inside the refrigeration unit is maintained between 400 ℃ and 600 ℃.
In a possible embodiment, the cold end 42 refrigeration temperature in the refrigeration unit is matched and controlled according to the composition of the medium to be treated.
In a possible embodiment, the combustion chamber 40 in the refrigeration unit is a regenerative furnace.
In a possible embodiment, the concentration of the medium to be treated entering the combustion chamber 40 needs to be diluted below the explosive limit concentration of the components, wherein the purified gas passing through the second heat exchanger 11 can be used to dilute the incoming flow of the medium to be treated after recovery of cold.
In a possible embodiment, the control of the outlet discharge concentration allows to set the corresponding refrigeration temperature according to the composition, meeting the discharge concentration limit.
In some possible embodiments of the utility model, the heat exchange unit further comprises: a second gas-liquid separator 21.
The inlet end of the second gas-liquid separator 21 is connected to the outlet end of the second heat exchanger 11, and the outlet end of the second gas-liquid separator 21 is connected to the condensate storage tank 30.
After exchanging heat with the cold energy in the second heat exchanger 11, the medium to be treated enters the second gas-liquid separator 21 for gas-liquid separation, and the separated liquid medium to be recovered flows into the condensate storage tank 30.
Specifically, the present embodiment provides an implementation manner of the heat exchange unit, and the second gas-liquid separator 21 is provided to implement gas-liquid separation of the medium to be treated after being cryocondensed in the second heat exchanger 11, and the separated medium to be recovered flows into the condensate storage tank 30 by gravity.
In a possible embodiment, the medium to be treated is VOCs.
In a possible embodiment, the medium to be recovered is liquid VOCs.
In some possible embodiments of the utility model, the outlet end of the second gas-liquid separator 21 is connected to the inlet end of the first heat exchanger 10.
Wherein, the medium to be treated after gas-liquid separation in the second gas-liquid separator 21 enters the first heat exchanger 10 and exchanges heat with the medium to be treated flowing through from the conveying unit.
Specifically, the embodiment provides an implementation manner of the second gas-liquid separator 21, the medium to be processed after passing through the second gas-liquid separator 21 also carries a certain degree of cold, and the medium to be processed separated by the second gas-liquid separator 21 is introduced into the first heat exchanger 10, so that the cold is recycled, and the system efficiency is improved.
In some possible embodiments of the present invention, the method further includes: and the first valve body 50, wherein the first valve body 50 is arranged on a pipeline connecting the first heat exchanger 10 and the refrigeration unit.
After the medium to be treated after gas-liquid separation exchanges heat with the flowing medium to be treated in the first heat exchanger 10, the medium to be treated flows back to the refrigeration unit through the adjustment of the first valve body 50, so that the refrigeration unit can be supplied with energy by preparing refrigeration.
Specifically, the embodiment provides an implementation manner of the first valve body 50, and by providing the first valve body 50, the to-be-treated medium after heat exchange in the first heat exchanger 10 is conveyed to the combustion chamber 40 of the refrigeration unit, so as to supply energy to the refrigeration unit.
In a possible embodiment, the first valve body 50 is a flow regulating valve, which enables the adjustment of the flow between the first heat exchanger 10 and the refrigeration unit.
In a possible embodiment, the first valve body 50 comprises at least three adjustment positions, wherein the first adjustment position corresponds to a flow of the medium to be treated of 0, the second adjustment position corresponds to a maximum flow of the medium to be treated, and the third adjustment position corresponds to a flow of the medium to be treated of between 0 and the maximum.
In some possible embodiments of the present invention, the method further includes: and a second valve body 60, wherein the second valve body 60 is arranged on a pipeline connecting the first heat exchanger 10 and the external environment.
After the medium to be treated after gas-liquid separation exchanges heat with the medium to be treated flowing through in the first heat exchanger 10, the medium to be treated is adjusted by the second valve body 60 to be discharged to the external environment.
Specifically, the present embodiment provides an embodiment of the second valve body 60, and by providing the second valve body 60, the medium to be treated after heat exchange in the first heat exchanger 10 is performed is discharged to the atmosphere.
In a possible embodiment, the second valve body 60 is a flow regulating valve, which enables regulation of the flow between the second heat exchanger 11 and the environment.
In a possible embodiment, the second valve body 60 comprises at least three regulating positions, wherein the first regulating position corresponds to a flow of the medium to be treated of 0, the second regulating position corresponds to a maximum flow of the medium to be treated, and the third regulating position corresponds to a flow of the medium to be treated of between 0 and the maximum.
In some possible embodiments of the utility model, the recovery unit further comprises: a third valve body 70 and a positive displacement pump 80.
The drain pump 80 and the third valve body 70 are disposed in series on a line connecting the condensate storage tank 30 and the refrigeration unit.
Wherein, part of the liquid medium to be recovered stored in the condensate storage tank 30 is delivered to the refrigeration unit through the drain pump 80 and the third valve body 70, so as to provide refrigeration for the refrigeration unit.
Specifically, the present embodiment provides an implementation manner of the recycling unit, and the arrangement of the liquid discharge pump 80 realizes that part of the medium to be recycled in the condensate storage tank 30 is conveyed to the refrigeration unit, so as to provide cold energy to the refrigeration unit after combustion, cool and condense the medium to be processed, and realize zero emission of the medium to be processed.
It should be noted that after the cold energy is recovered, the purified gas meeting the requirement of the emission concentration is used to dilute the incoming flow of the medium to be treated and enters the combustion chamber 40 together for combustion, so that zero emission of the VOCs in the recovery process can be realized.
In a possible embodiment, the third valve body 70 is a flow regulating valve, enabling adjustment of the amount of flow between the condensate storage tank 30 and the refrigeration unit.
In a possible embodiment, the third valve body 70 comprises at least three adjustment positions, wherein the first adjustment position corresponds to a flow of the medium to be treated of 0, the second adjustment position corresponds to a maximum flow of the medium to be treated, and the third adjustment position corresponds to a flow of the medium to be treated of between 0 and the maximum.
In a possible embodiment, the liquid VOCs collected by the condensate collection tank 10 may be controlled by the third valve body 70 to regulate the flow into the combustion chamber 40 to power the combustion chamber 40, depending on the fuel requirements of the combustion chamber 40.
In a possible embodiment, the liquid VOCs collected by the condensate storage tank 30 are transported by a positive displacement pump 80 to the plant for re-refining.
In some possible embodiments of the utility model, the delivery unit comprises: a fourth valve body 90 and a fifth valve body 100.
The fourth valve body 90 is disposed on a pipeline for delivering a medium to be treated to the heat exchange unit.
The fifth valve body 100 is provided on a pipe for feeding a medium to be processed to the refrigerating unit.
The fourth valve body 90 and the fifth valve body 100 realize the adjustment of the flow of the medium to be treated to the heat exchange unit and the refrigeration unit.
Specifically, the present embodiment provides an implementation manner of the conveying unit, and by providing the fourth valve body 90 and the fifth valve body 100, the flow rate of the medium to be processed conveyed by the conveying unit is adjusted, so that the flow rate of the medium to be processed entering the combustion chamber 40 matches the flow rate of the medium to be processed recovered by condensing.
In a possible embodiment, the fourth valve body 90 and the fifth valve body 100 are flow regulating valves, which enable the flow of the medium to be treated entering the first heat exchanger 10 and the refrigeration unit, respectively, to be regulated.
In a possible embodiment, the fourth valve body 90 and the fifth valve body 100 each comprise at least three adjustment positions, wherein the flow rate of the medium to be treated corresponding to the first adjustment position is 0, the flow rate of the medium to be treated corresponding to the second adjustment position is maximum, and the flow rate of the medium to be treated corresponding to the third adjustment position is between 0 and the maximum.
In some possible embodiments of the utility model, the conveying unit further comprises: and the blower 110 is used for conveying the medium to be treated to the heat exchange unit and the refrigeration unit respectively.
Specifically, the present embodiment provides another implementation of the conveying unit, and the blower 110 is arranged to convey the medium to be treated to the heat exchange unit and the refrigeration unit under the action of the blower 110.
In a possible embodiment, the medium to be treated is fed to a heat exchange unit for heat exchange under the action of the blower 110.
In a possible embodiment, the medium to be treated is fed to a refrigerating unit for the preparation of cold under the action of the blower 110.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
Reference throughout this specification to the description of "one embodiment," "some embodiments," "a manner," "a particular manner," or "some manner" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or manner is included in at least one embodiment or manner of an embodiment of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or mode. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or modes. Furthermore, various embodiments or modes described in this specification, as well as features of various embodiments or modes, may be combined and combined by those skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are merely illustrative of the present invention and are not to be construed as limiting the utility model. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications and equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and the technical solution of the present invention is covered by the claims of the present invention.
Claims (10)
1. A recycling system, comprising: the system comprises a conveying unit, a heat exchange unit, a refrigeration unit and a recovery unit;
the conveying unit is respectively connected with the heat exchange unit and the refrigerating unit and is used for conveying a medium to be treated to the heat exchange unit and the refrigerating unit;
the heat exchange unit is respectively connected with the refrigeration unit and the recovery unit;
the medium to be treated enters the heat exchange unit to exchange heat to realize gas-liquid separation, the separated liquid medium to be recovered flows into the recovery unit, and the separated medium to be treated flows into the refrigeration unit;
the refrigeration unit utilizes heat energy generated by combusting part of the medium to be treated conveyed by the conveying unit to prepare cold energy, condenses the medium to be treated, and after gas-liquid separation, the separated liquid medium to be recovered flows into the recovery unit.
2. A recovery system in accordance with claim 1, wherein said heat exchange unit comprises: the system comprises a first heat exchanger, a second heat exchanger and a first gas-liquid separator;
the recovery unit includes: a condensate storage tank;
the conveying unit is respectively connected with the inlet end of the first heat exchanger and the inlet end of the refrigerating unit;
the outlet end of the first heat exchanger is connected with the inlet end of the first gas-liquid separator;
the outlet end of the first gas-liquid separator is respectively connected with the second heat exchanger and the condensate storage tank;
the refrigeration unit is connected with the second heat exchanger;
the outlet end of the second heat exchanger is connected with the condensate storage tank;
after the heat exchange of the medium to be treated is carried out in the first heat exchanger, the medium to be treated enters the first gas-liquid separator to be subjected to gas-liquid separation, the separated liquid medium to be recovered flows into the condensate storage tank, and the separated medium to be treated flows into the second heat exchanger;
and the medium to be treated enters the refrigerating unit to realize the preparation of cold energy, the cold energy exchanges heat with the medium to be treated in the second heat exchanger, and the condensed medium to be recovered flows into the recovery unit.
3. A recovery system in accordance with claim 2, wherein said refrigeration unit comprises: a combustion chamber, a hot end and a cold end;
the combustion chamber, the hot end and the cold end are sequentially connected;
wherein the combustion chamber is connected with the conveying unit;
the cold end is connected with the second heat exchanger.
4. A recovery system in accordance with claim 2, wherein said heat exchange unit further comprises: a second gas-liquid separator;
the inlet end of the second gas-liquid separator is connected with the outlet end of the second heat exchanger, and the outlet end of the second gas-liquid separator is connected with the condensate storage tank;
and after exchanging heat with the cold energy in the second heat exchanger, the medium to be treated enters the second gas-liquid separator for gas-liquid separation, and the separated liquid medium to be recovered flows into the condensate storage tank.
5. A recovery system in accordance with claim 4, wherein the outlet end of said second gas-liquid separator is connected to the inlet end of said first heat exchanger;
the medium to be treated after gas-liquid separation in the second gas-liquid separator enters the first heat exchanger and exchanges heat with the medium to be treated from the conveying unit.
6. A recycling system according to claim 5, further comprising: the first valve body is arranged on a pipeline connecting the first heat exchanger and the refrigeration unit;
after the medium to be treated after gas-liquid separation exchanges heat with the flowing medium to be treated in the first heat exchanger, the medium to be treated flows back to the refrigeration unit through the adjustment of the first valve body, so that the refrigeration unit can prepare the cold energy for supplying energy.
7. A recycling system according to claim 5, further comprising: the second valve body is arranged on a pipeline connecting the first heat exchanger with the external environment;
after the medium to be treated after gas-liquid separation exchanges heat with the flowing medium to be treated in the first heat exchanger, the medium to be treated is adjusted by the second valve body to be discharged to the external environment.
8. A recycling system according to any one of claims 2 to 7, characterized in that said recycling unit further comprises: a third valve body and a liquid discharge pump;
the liquid discharge pump and the third valve body are arranged on a pipeline connected with the condensate storage tank and the refrigeration unit in series;
the liquid medium to be recovered stored in the condensate storage tank is conveyed to the refrigeration unit through the drain pump and the third valve body, so that refrigeration capacity is provided for the refrigeration unit.
9. A recycling system according to any one of claims 1 to 7, characterized in that said conveying unit comprises: a fourth valve body and a fifth valve body;
the fourth valve body is arranged on a pipeline for conveying the medium to be treated to the heat exchange unit;
the fifth valve body is arranged on a pipeline for conveying the medium to be treated to the refrigerating unit;
the fourth valve body and the fifth valve body realize the adjustment of the flow of the medium to be processed conveyed to the heat exchange unit and the refrigeration unit.
10. A recycling system according to claim 9, wherein said conveying unit further comprises: and the air blower conveys the medium to be treated to the heat exchange unit and the refrigeration unit respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220430296.0U CN217004480U (en) | 2022-03-01 | 2022-03-01 | Recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220430296.0U CN217004480U (en) | 2022-03-01 | 2022-03-01 | Recovery system |
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| Publication Number | Publication Date |
|---|---|
| CN217004480U true CN217004480U (en) | 2022-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220430296.0U Active CN217004480U (en) | 2022-03-01 | 2022-03-01 | Recovery system |
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| Country | Link |
|---|---|
| CN (1) | CN217004480U (en) |
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2022
- 2022-03-01 CN CN202220430296.0U patent/CN217004480U/en active Active
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