CN216572311U - Compressed waste heat regeneration air aftertreatment system - Google Patents
Compressed waste heat regeneration air aftertreatment system Download PDFInfo
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- CN216572311U CN216572311U CN202122450954.0U CN202122450954U CN216572311U CN 216572311 U CN216572311 U CN 216572311U CN 202122450954 U CN202122450954 U CN 202122450954U CN 216572311 U CN216572311 U CN 216572311U
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Abstract
The application relates to a compressed waste heat regeneration air post-treatment system which comprises a main air inlet module, a first adsorption tower, a second adsorption tower, a first air conveying pipe communicated with the main air inlet module and the first adsorption tower, a second air conveying pipe communicated with the main air inlet module and the second adsorption tower, a micro-heat air conveying module, a first control conversion module, a regeneration cooling module, a second control conversion module and an air outlet module, wherein the micro-heat air conveying module, the first control conversion module, the regeneration cooling module and the second control conversion module are matched with each other to be further communicated with the first adsorption tower, the second adsorption tower and the main air inlet module, and compressed air is heated to heat, regenerate and adsorb and dry an adsorbent; this application can constitute circulation's regeneration air after-treatment system through above-mentioned module, adsorption tower and pipeline cooperation, carries out heatless regeneration and has the heat regeneration to the adsorbent, falls regeneration gas consumption to minimum, realizes zero regeneration gas consumption, has reached best energy-conserving effect to good economic benefits has been produced.
Description
Technical Field
The application relates to the field of compressed air treatment systems, in particular to a compressed waste heat regeneration air post-treatment system.
Background
The compressed air is air with reduced volume and improved pressure by an air compressor (air compressor for short), is an important energy source and can be mainly divided into compressed air for power and compressed air for instruments; the dew point of the compressed air for the instrument is higher, and usually reaches-40 ℃, so that an air post-treatment system is required to be configured to dry the air at the outlet of the compressor, and the dew point of the compressed air reaches the standard and is then sent to an instrument air pipe network.
The post-processing system of compressed air usually adopts three kinds of equipment of cold dryer, suction dryer or freezing adsorption combined dryer (combined dryer) to carry out drying process to compressed air, wherein, combined dryer is that practical cold dryer and suction dryer combine and form, generally has three kinds of freezing + no heat regeneration adsorption type combined dryer, freezing + little heat regeneration adsorption type combined dryer and freezing + blast air external heating regeneration adsorption type combined dryer, wherein: 1. the refrigeration type and heatless regeneration adsorption type combined dryer can not avoid low-temperature regeneration, and the gas consumption of the finished product is large; 2. a certain amount of finished gas is consumed when the refrigeration type and micro-thermal regeneration adsorption type combined dryer operates; 3. in the adsorption regeneration stage of the refrigeration type and blowing external heating regeneration type combined dryer, ambient air is extracted by a blower and heated to be used as regeneration gas, and in the cold blowing stage, a certain amount of finished gas is adopted for cold blowing.
In view of the above-mentioned related technologies, the inventor finds that the combined dryer has a certain amount of regeneration gas consumption when actually drying the compressed air, so that the compressed air product is diffused and the economical efficiency is poor.
SUMMERY OF THE UTILITY MODEL
In order to reduce the regeneration gas consumption in the use of combination formula desiccator, reduce the energy consumption, this application provides a compression waste heat regeneration air aftertreatment system.
The application provides a compression waste heat regeneration air aftertreatment system adopts following technical scheme:
a compressed waste heat regeneration air post-treatment system comprises a main air inlet module, a first adsorption tower and a second adsorption tower, wherein the first adsorption tower and the second adsorption tower are used for drying compressed air;
a first gas pipe used for communicating a gas outlet end of the main gas inlet module with a gas inlet end of the first adsorption tower is arranged between the main gas inlet module and the first adsorption tower, a second gas pipe used for communicating a gas outlet end of the main gas inlet module with a gas inlet end of the second adsorption tower is arranged between the main gas inlet module and the second adsorption tower, a micro-heat gas transmission module simultaneously communicating the main gas inlet module with the first adsorption tower, the main gas inlet module with the second adsorption tower is also arranged between the main gas inlet module and the first adsorption tower and between the main gas inlet module and the second adsorption tower, and the micro-heat gas transmission module is used for heating compressed gas to heat and regenerate the adsorbent;
the gas outlet end of the micro heat gas transmission module is communicated with a first control conversion module, and the first control conversion module is used for controlling compressed gas output by the micro heat gas transmission module to be transmitted to the first adsorption tower or the second adsorption tower;
the gas outlet ends of the first adsorption tower and the second adsorption tower are simultaneously communicated with a regeneration cooling module, and the gas conveying end of the regeneration cooling module is simultaneously connected with the gas inlet end of the first gas conveying pipe and the gas inlet end of the second gas conveying pipe; the regeneration cooling module is used for cooling the compressed gas after micro-thermal regeneration output by the first adsorption tower, converging the cooled compressed gas and the compressed gas distributed to the second adsorption tower by the main air inlet module and flowing into the second adsorption tower for drying treatment, or cooling the compressed gas after micro-thermal regeneration output by the second adsorption tower, converging the cooled compressed gas and the compressed gas distributed to the first adsorption tower by the main air inlet module and flowing into the first adsorption tower for drying treatment;
and the air outlet ends of the first adsorption tower and the second adsorption tower are simultaneously communicated with a second control conversion module, and the second control conversion module is used for enabling compressed air output by the first adsorption tower or the second adsorption tower to flow into the regeneration cooling module.
By adopting the technical scheme, the main air inlet module can respectively guide the compressed air into the micro-heat air transmission module and the first air transmission pipe, the micro-heat air transmission module and the second air transmission pipe or the first air transmission pipe and the second air transmission pipe in proportion, the micro-heat air transmission module can further assist in heating the compressed air in the main air inlet module, the first adsorption tower, the second adsorption tower, the first air transmission pipe and the second air transmission pipe, the micro-heat air suction module, the first control conversion module, the regeneration cooling module and the second control conversion module are matched to form a circulating regeneration air post-treatment system, compressed air can respectively enter the first adsorption tower from the first air conveying pipe, the second adsorption tower from the second air conveying pipe and the first adsorption tower or the second adsorption tower from the micro-heat air conveying module, and adsorption, regeneration or cold blowing work is respectively carried out in the two adsorption towers; on the basis, the first control conversion module and the second control conversion module are controlled, adsorption of one adsorption tower and heating regeneration of the other adsorption tower can be realized, or adsorption of one adsorption tower and cold blowing of the other adsorption tower can be realized, or the two adsorption towers simultaneously adsorb three operation modes, and the three operation modes are matched to reciprocate to perform better drying treatment on compressed air, and the compressed air is used for heating regeneration and cold blowing regeneration under pressure.
Optionally, the main air inlet module comprises a main air inlet pipe, a first gas distributor, a main cooler and a first gas-water separator, the first gas distributor, the main cooler and the first gas-water separator are sequentially arranged on the main air inlet pipe, the air inlet end of the micro-heating air delivery module is communicated with the main air inlet pipe between the first gas distributor and the main cooler, and the air inlet ends of the first air delivery pipe and the second air delivery pipe are communicated with the downstream of the first gas-water separator on the main air inlet pipe.
Through adopting above-mentioned technical scheme, first gas distributor can be in proportion with the compressed gas reposition of redundant personnel transportation to little heat gas transmission module and main cooler in the main intake pipe, makes two strands of compressed air play compression heat regeneration and cooling adsorption's effect respectively, reduces the gas consumption in absorption, the regeneration process.
Optionally, the micro-thermal gas transmission module comprises a third gas transmission pipe, and an electric heater and a third gas transmission valve which are sequentially arranged on the third gas transmission pipe, wherein the electric heater is used for heating compressed gas in the third gas transmission pipe to more than 180 ℃.
By adopting the technical scheme, the high-temperature air with the temperature of more than 180 ℃ has enough energy (heat), so that the moisture accumulated in the adsorption period is analyzed from the adsorbent, the electric heater has a better auxiliary heating effect, and the temperature of the compressed air is quickly increased.
Optionally, the first control conversion module includes a first conversion pipe, a first valve, a second conversion pipe and a second valve, the first conversion pipe communicates the gas outlet end of the micro-thermal gas transmission module and the first adsorption tower, and the first valve is disposed on the first conversion pipe; the second conversion pipe is communicated with the air outlet end of the micro-heat gas transmission module and the second adsorption tower, and the second valve is arranged on the second conversion pipe; the first and second transition ducts communicate with each other.
By adopting the technical scheme, the compressed gas heated by the micro-heat gas transmission module can be conveniently controlled to enter the first adsorption tower or the second adsorption tower by controlling the switching of the first valve and the second valve, and the adsorbent in the first adsorption tower or the second adsorption tower is subjected to micro-heat regeneration.
Optionally, the regeneration cooling module includes the cooling gas-supply pipe and sets up regeneration cooler and second gas-water separator on the cooling gas-supply pipe, the inlet end intercommunication second control conversion module of cooling gas-supply pipe's the end of giving vent to anger, the end intercommunication main intake pipe and the first gas-supply pipe of giving vent to anger of cooling gas-supply pipe, the regeneration cooler is located the inlet upstream of second gas-water separator.
Through adopting above-mentioned technical scheme, the regeneration cooler can cool down the compressed gas who gets into the cooling gas-supply pipe, and the moisture in the compressed gas after the second gas-water separator can separate the cooling is dried it for compressed gas can be better reach the required dew point for the instrument.
Optionally, the second control conversion module includes a third conversion pipe and a fourth conversion pipe which are communicated with the first adsorption tower and the second adsorption tower, and a fifth conversion pipe communicated with the fourth conversion pipe, and the third conversion pipe and the fourth conversion pipe are communicated with each other; the third conversion pipe is provided with a third valve, the fourth conversion pipe is provided with a fourth valve and a fifth valve, the fifth conversion pipe is communicated with the fourth conversion pipe between the fourth valve and the fifth valve, and the third valve, the fourth valve and the fifth valve are used for controlling compressed gas to flow into the regeneration cooling pipe, the first adsorption tower or the second adsorption tower in a matched mode.
Through adopting above-mentioned technical scheme, control switches third valve, fourth valve and fifth valve, and the control to first adsorption tower and the different work of second adsorption tower is realized in the flow direction of the air compression gas that can be comparatively convenient at second control conversion module.
Optionally, the second gas-supply pipe is located the connection position upper reaches of first gas-supply pipe and main intake pipe with the connection position of main intake pipe, first gas-water separator is located the connection position upper reaches of second gas-supply pipe and main intake pipe, still be provided with second gas distributor on the main intake pipe between the connection position that is located main cooler and second gas-supply pipe and main intake pipe, second gas distributor is arranged in with compressed air distribution to first gas-supply pipe and second gas-supply pipe in the main cooling pipe when little heat gas-supply module stop work.
Through adopting above-mentioned technical scheme, after the little hot regeneration work to the adsorption tower, close little hot gas transmission module, control second gas distributor can be comparatively convenient make compressed gas flow into first adsorption tower or second adsorption tower respectively from first gas-supply pipe or second gas-supply pipe, adsorb or cold blow work in first adsorption tower or second adsorption tower.
Optionally, be provided with supplementary flow divider between second gas-supply pipe and the first gas-supply pipe in the main intake pipe, the end of giving vent to anger of cooling gas-supply pipe communicates between the inlet end of supplementary flow divider and first gas-supply pipe, supplementary flow divider is used for controlling the compressed gas of cooling through regeneration cooling module and the mainstream compressed gas in the main intake pipe to converge to make it get into first adsorption tower or second adsorption tower and carry out drying process.
Through adopting above-mentioned technical scheme, the flow direction of the compressed gas after the supplementary flow divider valve of control can be comparatively convenient control regeneration cooling module cooling is with its leading-in first adsorption tower or second adsorption tower.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the main air inlet module, the first adsorption tower, the second adsorption tower, the first air pipe, the second air pipe, the micro-heat air suction module, the first control conversion module, the regeneration cooling module and the second control conversion module are matched to form a circulating regenerated air post-treatment system, and correspondingly, adsorption of one adsorption tower and regeneration of the other adsorption tower can be carried out, or adsorption of one adsorption tower and cold blowing of the other adsorption tower or simultaneous adsorption of two adsorption towers in three operation modes, so that the compressed air is better dried, waste heat regeneration is carried out on the adsorbent, and the regenerated air consumption is reduced to the minimum to realize zero regenerated air consumption by combining the technologies of heatless regeneration and heatless regeneration, thereby achieving the best energy-saving effect and generating good economic benefit;
2. the first gas distributor, the second gas distributor and the third gas transmission valve are matched, so that the flow direction and the flow of gas flowing in the main gas inlet pipe can be conveniently controlled, the gas is uniformly distributed to the first adsorption tower and the second adsorption tower, and the adsorbent is subjected to micro-heat regeneration or adsorbent drying or cold blowing in the first adsorption tower and the second adsorption tower respectively, so that the regeneration gas consumption is reduced;
3. through first control conversion module and second control conversion module cooperation, the compressed gas's in the control pipeline that can be comparatively accurate flow direction makes its accurate inflow first adsorption tower or second adsorption tower, ensures that the compressed gas after the drying process reaches required dew point to make adsorbent in first adsorption tower and the second adsorption tower resume regeneration, can continue to put into use, reach better energy-conserving effect.
Drawings
FIG. 1 is a schematic diagram of the overall construction of a compressed residual heat regeneration air aftertreatment system of the present application;
FIG. 2 is a schematic structural diagram of an air post-treatment system for compressed residual heat regeneration in an embodiment of the present application, which discloses the flow paths of compressed air and the opening and closing of valves in the post-treatment system when a first adsorption tower performs adsorption and a second adsorption tower performs heating regeneration;
FIG. 3 is a schematic structural diagram of an air post-treatment system for compressed waste heat regeneration in an embodiment of the present application, which discloses the flow paths of compressed air and the opening and closing of valves in the post-treatment system when a first adsorption tower performs adsorption and a second adsorption tower performs cold blowing regeneration;
fig. 4 is a schematic structural diagram of the compressed waste heat regeneration air post-treatment system in the embodiment of the present application, which discloses the flow path of the compressed gas in the post-treatment system and the opening and closing of each valve when the first adsorption tower and the second adsorption tower perform adsorption.
Description of reference numerals: 1. a main intake module; 11. a main air inlet pipe; 12. a first gas distributor; 13. a main cooler; 14. a second gas distributor; 15. a first gas-water separator; 16. an auxiliary diverter valve; 2. a first adsorption tower; 3. a second adsorption column; 4. a first gas delivery pipe; 41. a first vent valve; 42. a second vent valve; 5. a second gas delivery pipe; 6. a micro-thermal gas transmission module; 61. a third gas delivery pipe; 62. an electric heater; 63. a third gas delivery valve; 7. a first control conversion module; 71. a first transition duct; 72. a first valve; 73. a second transition pipe; 74. a second valve; 8. a regenerative cooling module; 81. cooling the gas delivery pipe; 82. a regenerative cooler; 83. a second gas-water separator; 9. a second control conversion module; 91. a third transition pipe; 92. a third valve; 93. a fourth switching tube; 94. a fourth valve; 95. a fifth valve; 96. a fifth transfer tube; 97. a sixth valve; 98. a seventh valve; 10. an air outlet module; 101. a dust removal filter.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses compressed waste heat regeneration air after-treatment system relates to the field of compressed air treatment systems.
Referring to fig. 1, the compressed waste heat regeneration air post-treatment system comprises a main air inlet module 1, a first adsorption tower 2, a second adsorption tower 3, a first air delivery pipe 4, a second air delivery pipe 5, a micro-heating air suction module, a first control conversion module 7, a regeneration cooling module 8, a second control conversion module 9 and an air outlet module 10, wherein the first adsorption tower 2 and the second adsorption tower 3 are adjacently arranged, the air inlet end of the main air inlet module 1 is communicated with the air outlet end of an air compressor, compressed air obtained by compression of the air compressor enters the compressed waste heat regeneration air post-treatment system from the main air inlet module 1, the air outlet end of the main air inlet module 1 is communicated with the first adsorption tower 2 through the first air delivery pipe 4, and the main air inlet module 1 is communicated with the second adsorption tower 3 through the second air delivery pipe 5; the micro-heat gas transmission module 6 is positioned among the first adsorption tower 2, the second adsorption tower 3 and the main gas inlet module 1, and is used for further communicating the gas outlet end of the main gas inlet module 1 with the gas inlet end of the first adsorption tower 2 and the gas outlet end of the main gas inlet module 1 with the gas inlet end of the second adsorption tower 3 so as to provide a pipeline passage for auxiliary heating of damp and hot compressed air and better heat and regenerate the adsorbent in the first adsorption tower 2 or the second adsorption tower 3; the regeneration cooling module 8 is arranged between the first adsorption tower 2 and the second adsorption tower 3, and the regeneration cooling module 8 is communicated with the first adsorption tower 2 and the second adsorption tower 3 so as to cool the compressed air after heating and regeneration output from the first adsorption tower 2 or the second adsorption tower 3, and converge the compressed air after cooling and cooling with the residual unheated compressed air in the main air inlet module 1, so that the converged compressed air enters the other adsorption tower which is not heated and regenerated for adsorption and drying treatment.
Referring to fig. 1, the main air intake module 1 includes a main air intake pipe 11 and a first gas distributor 12 sequentially disposed on the main air intake pipe 11, a main cooler 13, a second gas distributor 14, a first gas-water separator 15 and an auxiliary diverter valve 16, an air inlet end of the main air intake pipe 11 communicates with an air compressor, the first gas distributor 12 is located at an air inlet end of the main air intake pipe 11, the auxiliary diverter valve 16 is located at an air outlet end of the main air intake pipe 11, humid and hot compressed air obtained by air compression can directly enter a compressed waste heat regeneration air post-treatment system from the main air intake pipe 11, and is sequentially cooled by the main cooler 13 and cooled by the first gas-water separator 15 to perform gas-water separation.
The air inlet end of the micro-heat air delivery module 6, the air inlet end of the second air delivery end and the air inlet end of the first air delivery pipe 4 are sequentially communicated with the main air inlet pipe 11 along the flowing direction of compressed air in the main air inlet pipe 11, the air inlet end of the micro-heat air delivery module 6 is communicated with the main air inlet pipe 11 between the first air distributor 12 and the main cooler 13, the air inlet end of the second air delivery pipe 5 is communicated with the main air inlet pipe 11 between the first air-water separator 15 and the auxiliary diverter valve 16, and the air inlet end of the first air delivery pipe 4 is communicated with the air outlet end of the main air inlet pipe 11 at the downstream of the auxiliary diverter valve 16.
Referring to fig. 1 and 2, the micro-thermal gas transmission module 6 includes a third gas transmission pipe 61, and an electric heater 62 and a third gas transmission valve 63 sequentially arranged on the third gas transmission pipe 61 according to the gas inlet direction of the third gas transmission pipe 61, the electric heater 62 is used for heating the compressed gas in the third gas transmission pipe 61 to over 180 ℃, the third gas transmission valve 63 is used for controlling the opening and closing of the third gas transmission pipe 61, the compressed air flowing into the compressed waste heat regeneration air post-treatment system from the outlet of the air compressor generally has a higher temperature, which is about 110 ℃, and has a certain capacity of heating and regenerating the adsorbent, the electric heater 62 can further assist in heating the compressed air, the temperature is raised quickly, and the temperature of the compressed air can be raised quickly; the first gas distributor 12 is controlled, compressed gas in the main gas inlet pipe 11 can be distributed into two air flows according to the proportion of 1:1, the two air flows are respectively conveyed to the micro-heat gas conveying module 6 and the first gas conveying pipe 4, the micro-heat gas conveying module 6 further assists in heating the compressed air conveyed to the micro-heat gas conveying module 6, the temperature of the compressed air is increased, the humidity of the compressed air is reduced, the compressed air is conveyed to the first control conversion module 7, the first control conversion module 7 conveys the compressed air to the second adsorption tower 3 for heating regeneration, the capacity of the heated high-temperature gas for containing moisture is higher, and the heating regeneration effect on the adsorbent is better; the air flowing into the first air delivery pipe 4 is cooled by the main cooler 13 and then enters the first air-water separator 15 to separate most of moisture in the compressed air, so that dry compressed air is obtained and flows into the first air delivery pipe 4 through the auxiliary diverter valve 16, and then enters the first adsorption tower 2 through the first air delivery pipe 4 for adsorption and drying.
Referring to fig. 1 and 2, the first control conversion module 7 is connected to the air outlet end of the third air duct 61 of the micro thermal air transmission module 6, and is configured to control the flow direction of the compressed air output by the micro thermal air transmission module 6 and transmit the compressed air to the first adsorption tower 2 or the second adsorption tower 3.
The first control conversion module 7 comprises a first conversion pipe 71, a first valve 72 arranged on the first conversion pipe 71, a second conversion pipe 73 and a second valve 74 arranged on the second conversion pipe 73, wherein the first conversion pipe 71 is communicated with the air outlet end of the micro heat gas transmission module 6 and the first adsorption tower 2, the second conversion pipe 73 is communicated with the air outlet end of the micro heat gas transmission module 6 and the second adsorption tower 3, the first conversion pipe 71 and the second conversion pipe 73 are communicated with each other, and the air outlet end of the third gas pipe 61 is communicated with the connecting part of the first conversion pipe 71 and the second conversion pipe 73; the first valve 72 is opened, and the second valve 74 is closed, so that the compressed gas heated by the electric heater 62 enters the second adsorption tower 3, and the adsorbent in the second adsorption tower 3 is subjected to micro-thermal regeneration.
The end of giving vent to anger of second adsorption tower 3 is connected with second control conversion module 9, second control conversion module 9 intercommunication second adsorption tower 3 and first adsorption tower 2 to realize second gas-supply pipe 5 simultaneously, third gas-supply pipe 61, two liang of intercommunications of first gas-supply pipe 4 and regeneration cooling module 8, realize compressed gas at first adsorption tower 2, second adsorption tower 3, second gas-supply pipe 5, third gas-supply pipe 61, the circulation between first gas-supply pipe 4 and regeneration cooling module 8.
Referring to fig. 1 and 2, the second control switching module 9 includes a third switching pipe 91 communicating the first adsorption tower 2 and the second adsorption tower 3, a fourth switching pipe 93, and a fifth switching pipe 96 communicating with the fourth switching pipe 93, the third switching pipe 91 and the fourth switching pipe 93 communicating with each other; a third valve 92 is arranged on the third switching pipe 91, and a fourth valve 94 and a fifth valve 95 are arranged on the fourth switching pipe 93; the fifth switching pipe 96 is communicated with the fourth switching pipe 93 between the fourth valve 94 and the fifth valve 95, the fifth switching pipe 96 is sequentially provided with a sixth valve 97 and a seventh valve 98 along the direction far away from the fourth switching pipe 93, and the air inlet end of the regenerative cooling module 8 is communicated between the sixth valve 97 and the seventh valve 98; the third valve 92, the fourth valve 94, the fifth valve 95, the sixth valve 97 and the seventh valve 98 are used to control the compressed gas to flow into the regeneration cooling pipe, the first adsorption tower 2 or the second adsorption tower 3 in cooperation with each other.
Referring to fig. 2, in the present embodiment, the third valve 92, the fifth valve 95, and the seventh valve 98 are closed, and the fourth valve 94 and the sixth valve 97 are opened, so that the compressed gas generated by heating and regenerating the adsorbent in the second adsorption tower 3 can be introduced into the regeneration cooling module 8 to be cooled.
The regeneration cooling module 8 comprises a cooling gas pipe 81, and a regeneration cooler 82 and a second gas-water separator 83 which are arranged on the cooling gas pipe 81, wherein the gas inlet end of the cooling gas pipe 81 is communicated with a fifth switching pipe 96 between a sixth valve 97 and a seventh valve 98, the gas outlet end of the cooling gas pipe 81 is communicated with the main gas inlet pipe 11 and the first gas pipe 4, and the regeneration cooler 82 is positioned at the gas inlet upstream of the second gas-water separator 83; the regeneration cooler 82 can cool the compressed gas entering the cooling gas pipe 81, and the second gas-water separator 83 can separate moisture in the cooled compressed gas and dry the cooled compressed gas, so that the compressed gas can better reach a dew point required by an instrument.
Referring to fig. 1 and 2, a first vent valve 41 and a second vent valve 42 are sequentially arranged on the first air pipe 4 along a direction away from the main air inlet pipe 11, the first adsorption tower 2 is communicated with an air outlet end of the first air pipe 4, a third switching pipe 91 is communicated with the first air pipe 4 between the first vent valve 41 and the second vent valve 42, and a fourth switching pipe 93 is communicated with the first air pipe 4 between the second vent valve 42 and the first adsorption tower 2.
The air inlet end of the air outlet module 10 is communicated with the first control conversion module 7, and the air outlet end of the air outlet module 10 is provided with a dust removal filter 101.
The auxiliary flow dividing valve 16 is controlled, so that the gas flow direction in the main air inlet pipe 11 is kept in the direction from the main cooler 13 to the first gas-water separator 15, the first vent valve 41 and the second vent valve 42 are opened, the compressed gas heated and regenerated by the second adsorption tower 3 can enter the cooling gas pipe 81 and is sequentially cooled by the regeneration cooler 82, the water is separated by the second gas-water separator 83, then the compressed gas enters the air outlet end of the main air inlet pipe 11 and is converged with the unheated gas divided in the main air inlet pipe 11 and is conveyed to the first adsorption tower 2 from the first conveying pipe, the converged compressed air is adsorbed and dried by the first adsorption tower 2, the compressed gas reaches the dew point temperature for the instrument, and the heating and regeneration process is completed.
Referring to fig. 3, after the heating regeneration process is finished, the valve group is switched, the first vent valve 41 and the second vent valve 42 are kept open, the third gas transmission valve 63 on the third gas transmission pipe 61 of the micro-thermal regeneration module is closed, the first gas distributor 12 and the second gas distributor 14 are controlled, 50% of low-temperature compressed air is shunted from the downstream end of the main cooler 13 and enters the second gas transmission pipe 5, the third valve 92, the fifth valve 95 and the sixth valve 97 are closed, the fourth valve 94 is opened, and 50% of low-temperature compressed air enters the second adsorption tower 3 to perform cold blowing on the adsorbent under pressure; closing the second valve 74 and correspondingly controlling the valve group on the air outlet module 10, allowing the damp and hot compressed air from the second adsorption tower 3 to flow into the cooling air pipe 81, sequentially entering the regenerative cooler 82 for cooling and the second gas-water separator 83 for separating moisture, and then directly converging the damp and hot compressed air with the remaining 50% of the compressed air in the main air inlet pipe 11; the converged compressed air can flow into the first adsorption tower 2 to be adsorbed and dried to a required dew point; the cold blowing process is continued until the temperature of the cold blowing gas flow at the outlet of the second adsorption tower 3 is reduced to an appropriate temperature, generally for about 80 minutes.
Referring to fig. 4, after the cold blowing process is finished, the valve set is switched on the basis of the cold blowing process, the first valve 72, the fourth valve 94 and the seventh valve 98 are closed, the third valve 92 and the sixth valve 97 are opened, and the compressed gas after cold blowing enters the first adsorption tower 2 and the second adsorption tower 3 to perform adsorption drying operation simultaneously, and the operation lasts until the compressed gas reaches the dew point temperature requirement for the instrument, and lasts for about 10 minutes.
And then, the valve group on the air outlet module 10 is controlled to be opened, so that the compressed air after adsorption and drying flows into the air outlet module 10, and the dust is removed by the dust removal filter 101, so that the gas can be safely used.
The implementation principle of a compressed waste heat regeneration air post-treatment system in the embodiment of the application is as follows: compressed air is subjected to heating regeneration, cold blowing adsorption and double-tower simultaneous adsorption processes, and pressure-pressurized cold blowing is adopted, so that the process of pressurizing/pressure relief is avoided, the cold blowing air consumption is not generated, and zero air consumption of a compressed waste heat regenerated air post-treatment system is realized.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a compression waste heat regeneration air aftertreatment system which characterized in that: the device comprises a main air inlet module (1), a first adsorption tower (2) and a second adsorption tower (3) which are used for drying compressed air, wherein the main air inlet module (1) is used for distributing the compressed air to the first adsorption tower (2) and the second adsorption tower (3);
a first gas transmission pipe (4) used for communicating a gas outlet end of the main gas inlet module (1) with a gas inlet end of the first adsorption tower (2) is arranged between the main gas inlet module (1) and the first adsorption tower (2), a second gas transmission pipe (5) used for communicating a gas outlet end of the main gas inlet module (1) with a gas inlet end of the second adsorption tower (3) is arranged between the main gas inlet module (1) and the second adsorption tower (3), a micro-heat gas transmission module (6) simultaneously communicating the main gas inlet module (1) with the first adsorption tower (2), the main gas inlet module (1) with the second adsorption tower (3) is further arranged between the main gas inlet module (1) and the first adsorption tower (2) as well as between the main gas inlet module (1) and the second adsorption tower (3), and the micro-heat gas transmission module (6) is used for heating compressed gas to heat and regenerate the adsorbent;
the gas outlet end of the micro heat gas transmission module (6) is communicated with a first control conversion module (7), and the first control conversion module (7) is used for controlling compressed gas output by the micro heat gas transmission module (6) to be transmitted to the first adsorption tower (2) or the second adsorption tower (3);
the air outlet ends of the first adsorption tower (2) and the second adsorption tower (3) are simultaneously communicated with a regenerative cooling module (8), and the air delivery end of the regenerative cooling module (8) is simultaneously connected with the air inlet end of the first air delivery pipe (4) and the air inlet end of the second air delivery pipe (5); the regeneration cooling module (8) is used for cooling the compressed gas after micro-thermal regeneration output by the first adsorption tower (2), converging the cooled compressed gas and the compressed gas distributed to the second adsorption tower (3) by the main gas inlet module (1) and flowing into the second adsorption tower (3) for drying treatment, or is used for cooling the compressed gas after micro-thermal regeneration output by the second adsorption tower (3), converging the cooled compressed gas and the compressed gas distributed to the first adsorption tower (2) by the main gas inlet module (1) and flowing into the first adsorption tower (2) for drying treatment;
the gas outlet ends of the first adsorption tower (2) and the second adsorption tower (3) are simultaneously communicated with a second control conversion module (9), and the second control conversion module (9) is used for enabling compressed gas output by the first adsorption tower (2) or the second adsorption tower (3) to flow into the regeneration cooling module (8).
2. The compressed residual heat regeneration air aftertreatment system of claim 1, wherein: the main air inlet module (1) comprises a main air inlet pipe (11) and a first gas distributor (12), a main cooler (13) and a first gas-water separator (15) which are sequentially arranged on the main air inlet pipe (11), the air inlet end of the micro-heat air delivery module (6) is communicated with the main air inlet pipe (11) between the first gas distributor (12) and the main cooler (13), and the air inlet ends of the first air delivery pipe (4) and the second air delivery pipe (5) are communicated with the downstream of the first gas-water separator (15) on the main air inlet pipe (11).
3. The compressed residual heat regeneration air aftertreatment system of claim 1, wherein: the micro-heating gas transmission module (6) comprises a third gas transmission pipe (61), and an electric heater (62) and a third gas transmission valve (63) which are sequentially arranged on the third gas transmission pipe (61), wherein the electric heater (62) is used for heating compressed gas in the third gas transmission pipe (61) to more than 180 ℃.
4. The compressed residual heat regeneration air aftertreatment system of claim 1, wherein: the first control conversion module (7) comprises a first conversion pipe (71), a first valve (72), a second conversion pipe (73) and a second valve (74), the first conversion pipe (71) is communicated with the air outlet end of the micro heat gas transmission module (6) and the first adsorption tower (2), and the first valve (72) is arranged on the first conversion pipe (71); the second conversion pipe (73) is communicated with the gas outlet end of the micro-heat gas transmission module (6) and the second adsorption tower (3), and the second valve (74) is arranged on the second conversion pipe (73); the first switching pipe (71) and the second switching pipe (73) communicate with each other.
5. The compressed residual heat regeneration air aftertreatment system of claim 2, wherein: regeneration cooling module (8) are including cooling gas-supply pipe (81) and setting up regeneration cooler (82) and second gas-water separator (83) on cooling gas-supply pipe (81), the inlet end intercommunication second control of cooling gas-supply pipe (81) switches the end of giving vent to anger of module (9), the end of giving vent to anger of cooling gas-supply pipe (81) communicates main intake pipe (11) and first gas-supply pipe (4), regeneration cooler (82) are located the upstream of admitting air of second gas-water separator (83).
6. The compressed residual heat regeneration air aftertreatment system of claim 5, wherein: the second control conversion module (9) comprises a third conversion pipe (91) for communicating the first adsorption tower (2) and the second adsorption tower (3), a fourth conversion pipe (93) and a fifth conversion pipe (96) communicated with the fourth conversion pipe (93), wherein the third conversion pipe (91) and the fourth conversion pipe (93) are communicated with each other; the third switching pipe (91) is provided with a third valve (92), the fourth switching pipe (93) is provided with a fourth valve (94) and a fifth valve (95), the fifth switching pipe (96) is communicated with the fourth switching pipe (93) between the fourth valve (94) and the fifth valve (95), and the third valve (92), the fourth valve (94) and the fifth valve (95) are used for controlling compressed gas to flow into the cooling gas conveying pipe (81), the first adsorption tower (2) or the second adsorption tower (3) in a matched mode.
7. The compressed residual heat regeneration air aftertreatment system of claim 2, wherein: second gas-supply pipe (5) are located the connection position upper reaches of first gas-supply pipe (4) and main intake pipe (11) with the connection position of main intake pipe (11), first gas-water separator (15) are located the connection position upper reaches of second gas-supply pipe (5) and main intake pipe (11), it still is provided with second gas distributor (14) to lie in on main intake pipe (11) between the connection position of main cooler (13) and second gas-supply pipe (5) and main intake pipe (11), second gas distributor (14) are arranged in when little heat gas-supply module (6) stop work with the compressed air distribution in main intake pipe (11) to first gas-supply pipe (4) and second gas-supply pipe (5).
8. The compressed residual heat regeneration air aftertreatment system of claim 5, wherein: be provided with supplementary flow divider valve (16) between second gas-supply pipe (5) and first gas-supply pipe (4) on main intake pipe (11), the end of giving vent to anger of cooling gas-supply pipe (81) communicates between the inlet end of supplementary flow divider valve (16) and first gas-supply pipe (4), supplementary flow divider valve (16) are used for controlling the main flow compressed gas that cools down through regeneration cooling module (8) and main intake pipe (11) and converge to make it get into first adsorption tower (2) or second adsorption tower (3) and carry out drying process.
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| CN202122450954.0U CN216572311U (en) | 2021-10-12 | 2021-10-12 | Compressed waste heat regeneration air aftertreatment system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115920605A (en) * | 2023-02-01 | 2023-04-07 | 杭州嘉隆气体设备有限公司 | Compression heat regeneration dryer and control method |
| CN116036811A (en) * | 2023-03-30 | 2023-05-02 | 杭州嘉隆气体设备有限公司 | Wide load compression heat regeneration dryer system and control method thereof |
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2021
- 2021-10-12 CN CN202122450954.0U patent/CN216572311U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115920605A (en) * | 2023-02-01 | 2023-04-07 | 杭州嘉隆气体设备有限公司 | Compression heat regeneration dryer and control method |
| CN116036811A (en) * | 2023-03-30 | 2023-05-02 | 杭州嘉隆气体设备有限公司 | Wide load compression heat regeneration dryer system and control method thereof |
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