CN205174919U - A oil field used heat driven ammonia absorption formula refrigerator for lighter hydrocarbons are retrieved - Google Patents
A oil field used heat driven ammonia absorption formula refrigerator for lighter hydrocarbons are retrieved Download PDFInfo
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- CN205174919U CN205174919U CN201520909556.2U CN201520909556U CN205174919U CN 205174919 U CN205174919 U CN 205174919U CN 201520909556 U CN201520909556 U CN 201520909556U CN 205174919 U CN205174919 U CN 205174919U
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- lighter hydrocarbons
- heat
- finned tube
- conduction oil
- oil field
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
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Abstract
The utility model provides an oil field used heat driven ammonia absorption formula refrigerator for lighter hydrocarbons are retrieved, it is by the conduction oil generator, the rectifying column, condensers, the liquid ammonia jar, the subcooler, hydraulic filling tympanic bulla absorber, the solution heat exchanger, fire section of thick bamboo kiln gas finned tube recoverer, heat medium kiln gas finned tube recoverer, the concentrated solution jar, the solution pump, automatically controlled cabinet, the electrical control valve, the absorbed refrigeration machine that temperature sensor constitutes, characterized by fully retrieves in the lighter hydrocarbons recovering process flow of oil field the used heat of discharging fume of heat medium stove and fire section of thick bamboo stove, the used heat driving unit retrieved of using simultaneously is cooling in order to replace the traditional vapor compression refrigerator in the lighter hydrocarbons recovering process flow of oil field, reduce the exhaust gas temperature of heat medium stove with fire section of thick bamboo stove, retrieve for the oil field lighter hydrocarbons again when having reduced atmosphere environmental pollution and practiced thrift power consumption, it combines balancedly to make cold and hot among the lighter hydrocarbons recovering process of oil field reach one, and it is reliable that the unit has the operation, simple operation, the power consumption is than traditional compression refrigeration machine energy -conserving 90%, the multinomial advantage of environmental protection.
Description
Technical field
For an ammonia water absorbing refrigerator for the oil field waste heat driven of lighter hydrocarbons recovery, relate to oil field light hydrocarbon and reclaim field.
Background technology
Hot Media Oven is had in now traditional oil field light hydrocarbon recovery process device, fire cylinder stove, compression refigerating machine, natural gas is directly emptying after burning in hot Media Oven and fiery cylinder stove, cause the waste of heat and the pollution of atmospheric environment, in oil field light hydrocarbon recovery process, all need a large amount of colds to realize the separation and recovery of light hydrocarbon, the most frequently used is mechanical compression type refrigeration machine now, consumes the electric energy that oil field is a large amount of.
Utility model content
The ammonia water absorbing refrigerator of a kind of oil field waste heat driven for lighter hydrocarbons recovery that the utility model provides will to solve in traditional oil field light hydrocarbon recovery process flue gas heat after hot Media Oven and fiery cylinder stove combustion of natural gas do not recycle and discharge in vain and pollutant atmosphere, and former mechanical compression type refrigeration consumes the problem of a large amount of electric energy in oil field.
This programme is achieved by the following technical measures: a kind of ammonia water absorbing refrigerator of the oil field waste heat driven for lighter hydrocarbons recovery, and it is by conduction oil generator, rectifying column, condenser, ammonia tank, subcooler, full liquid bubble absorption device, solution heat exchanger, fiery cylinder kiln gas finned tube recover, hot Media Oven flue gas finned tube recover, concentrated solution tank, solution pump, electrical control cubicles, electric control valve, the Absorption Refrigerator of temperature sensor composition.Add a hot Media Oven flue gas finned tube recover at hot Media Oven exhaust opening, hot Media Oven discharge flue gas enter in hot Media Oven flue gas finned tube recycling shell collector with conduction oil heat exchange in hot Media Oven flue gas finned tube recover heat exchanger tube after emptying;
Add a fiery cylinder kiln gas finned tube recover at fiery cylinder fire grate mouth, the flue gas that fiery cylinder fire grate goes out enter in fiery cylinder kiln gas finned tube recycling shell collector with conduction oil heat exchange in fiery cylinder kiln gas finned tube recover heat exchanger tube after emptying;
Conduction oil export pipeline after hot Media Oven heat conduction oil circulating pump separates a branch road and be communicated with conduction oil generator heat exchanger tube successively, electric control valve, after hot Media Oven flue gas finned tube recover heat exchanger tube and fiery cylinder kiln gas finned tube recover heat exchanger tube, conduction oil is sent back to hot Media Oven conduction oil pipeline of answering back and form a closed-loop path, closed-loop path outer wall arranges the loss that heat-insulation layer prevents heat; From hot Media Oven heat conduction oil circulating pump export the conduction oil sent be introduced in conduction oil generator heat exchanger tube with the concentrated ammonia solution heat exchange conduction oil generator body, then in the heat exchanger tube that electric control valve enters hot Media Oven flue gas finned tube recover, heat exchange is carried out with hot Media Oven flue gas finned tube recycling shell collector side flue gas, enter the flue gas heat exchange in fiery cylinder kiln gas finned tube recover heat exchanger tube and in fiery cylinder kiln gas finned tube recycling shell collector again, last conduction oil flows back to hot Media Oven through main line.
Conduction oil generator body upper outlet is by the import of pipeline connection rectifying column housing central section, the outlet of rectifying column case top is by pipeline connection condenser shell upper inlet, condenser shell outlet at bottom is by pipeline connection ammonia tank top inlet, ammonia tank top exit is by the import of pipeline connection subcooler heat exchanging pipe, the outlet of subcooler heat exchanging pipe is by the evaporator shell lower inlet of pipeline in liquefied ammonia float-ball type choke valve connection lighter hydrocarbons recovery chemical-process, evaporator shell upper outlet in lighter hydrocarbons recovery chemical-process is by pipeline connection subcooler case entrances, subcooler housing outlets is by the full liquid bubble absorption device lower housing portion import of pipeline connection, the outlet of rectifying column lower housing portion is by the import of pipeline connection solution heat exchanger heat exchanging pipe, the outlet of solution heat exchanger heat exchanging pipe is communicated with full liquid bubble absorption device housing bottom import by pipeline through weak solution float-ball type choke valve, full liquid bubble absorption device housing upper outlet is by the import of pipeline connection concentrated solution tank, NaOH solution tank NaOH outlet at bottom is by the heat exchanging pipe import of pipeline connection rectifying column top, the heat exchanging pipe outlet of rectifying column top is by pipeline connection solution heat exchanger case entrances, solution heat exchanger housing outlets is by pipeline connection conduction oil generator body bottom inlet, full liquid bubble absorption device heat exchanging pipe outlet is by the road import of pipeline connection condenser heat-exchange pipes.
Subcooler heat exchanging pipe is exported to the evaporator shell lower inlet pipeline in lighter hydrocarbons recovery chemical-process, the evaporator shell upper outlet in lighter hydrocarbons recovery chemical-process arranges to expiring liquid bubble absorption device lower housing portion inlet ductwork outer wall the loss that heat-insulation layer prevents cold to subcooler case entrances pipeline, subcooler housing outlets.
Light hydrocarbon feedstocks gas enters in the heat exchanging pipe of the evaporimeter in lighter hydrocarbons recovery chemical-process from the evaporimeter light hydrocarbon feedstocks gas import lighter hydrocarbons recovery chemical-process and is become lighter hydrocarbons liquid-vapor mixture from the evaporimeter liquefied light hydrocarbon liquid-vapor mixture outlet outflow lighter hydrocarbons recovery chemical-process by the cold part cooling that liquefied ammonia evaporation in the evaporator shell in lighter hydrocarbons recovery chemical-process produces.
Concentrated ammonia solution in conduction oil generator body produces ammonia through heat-conducting oil heating, ammonia enters in rectifying column housing to enter in condenser shell after rectification and purification and is condensed into liquefied ammonia and is stored in ammonia tank, from ammonia tank liquefied ammonia out to enter in subcooler heat exchanger tube and in the evaporator shell of lighter hydrocarbons recovery chemical-process evaporation return and after entering the further heat exchange of cold ammonia in subcooler housing in the evaporator shell that liquefied ammonia float-ball type choke valve reducing pressure by regulating flow finally enters lighter hydrocarbons recovery chemical-process sweat cooling produce cold ammonia, cold ammonia enters in full liquid bubble absorption device housing after entering the further heat exchange of liquefied ammonia in subcooler housing and in subcooler heat exchanger tube under the effect of pressure reduction, the dilute ammonia solution that flows out in rectifying column housing flows in solution heat exchanger heat exchanger tube to lower the temperature with concentrated solution heat exchange in solution heat exchanger housing and after weak solution float-ball type choke valve reducing pressure by regulating flow, enter the cold ammonia of full liquid bubble absorption device shell body absorption and forms concentrated ammonia solution and enter concentrated solution tank, concentrated ammonia solution from concentrated solution tank flow out and by solution pump pumped into heat up with weak solution heat exchange in solution heat exchanger heat exchanger tube in solution heat exchanger housing after enter in conduction oil generator body.
The concrete feature of this programme also has, the ammonia water absorbing refrigerator of the described oil field waste heat driven for lighter hydrocarbons recovery, it is characterized in that a stop valve often opened respectively is installed in described electric control valve both sides, at two the stop valve both sides of often opening branch roads in parallel, the stop valve that on branch road, installation one is normally closed.
The ammonia water absorbing refrigerator of the described oil field waste heat driven for lighter hydrocarbons recovery, it is characterized in that a stop valve often opened respectively is installed at the two ends of the conduction oil branch road closed-loop path separated, the stop valve at two ends can be closed, not affect the normal circulation work of former conduction oil main line in the no situation in conduction oil branch road closed-loop path.
The ammonia water absorbing refrigerator of the described oil field waste heat driven for lighter hydrocarbons recovery, it is characterized in that a stop valve often opened respectively is installed in the both sides of hot Media Oven flue gas finned tube recover, at two the stop valve both sides of often opening branch roads in parallel, the stop valve that on branch road, installation one is normally closed.
The ammonia water absorbing refrigerator of the described oil field waste heat driven for lighter hydrocarbons recovery, it is characterized in that a stop valve often opened respectively is installed in the both sides of fiery cylinder kiln gas finned tube recover, at two the stop valve both sides of often opening branch roads in parallel, the stop valve that on branch road, installation one is normally closed.
The ammonia water absorbing refrigerator of the described oil field waste heat driven for lighter hydrocarbons recovery, it is characterized in that the pipeline returning subcooler from the cold ammonia of the evaporator evaporation in lighter hydrocarbons recovery chemical-process is provided with a temperature sensor, and temperature sensor is electrically connected with electrical control cubicles.
The ammonia water absorbing refrigerator of the described oil field waste heat driven for lighter hydrocarbons recovery, it is characterized in that temperature sensor reclaims requirements set temperature range of cryogenic temperature in chemical-process according to oil field light hydrocarbon, temperature signal is sent to electrical control cubicles by temperature sensor in real time, electrical control cubicles outputs signal and regulates electric control valve in real time, in order to control the conduction oil flow entering conduction oil generator, reach the requirement that oil field light hydrocarbon reclaims cryogenic temperature in chemical-process.Electric control valve realizes electric part and electrically connects.
Closed-loop path outer wall arranges the loss that heat-insulation layer prevents heat; The subcooler heat exchanging pipe evaporator shell lower inlet pipeline outer wall be exported in lighter hydrocarbons recovery chemical-process evaporator shell upper outlet to the subcooler case entrances pipeline outer wall arranged in heat-insulation layer, lighter hydrocarbons recovery chemical-process arranges heat-insulation layer, subcooler housing outlets arranges heat-insulation layer to expiring liquid bubble absorption device lower housing portion inlet ductwork outer wall, prevents the loss of cold.
Light hydrocarbon feedstocks gas enters in the heat exchanging pipe of the evaporimeter in lighter hydrocarbons recovery chemical-process from the evaporimeter light hydrocarbon feedstocks gas import lighter hydrocarbons recovery chemical-process and is become lighter hydrocarbons liquid-vapor mixture from the evaporimeter liquefied light hydrocarbon liquid-vapor mixture outlet outflow lighter hydrocarbons recovery chemical-process by the cold cooling that liquefied ammonia evaporation in the evaporator shell in lighter hydrocarbons recovery chemical-process produces.
The beneficial effects of the utility model are: in traditional process for recovering light hydrocarbon flow process, hot Media Oven is that gas-firing heating conduction oil is for explained hereafter, fire cylinder stove is then that gas-firing heating regeneration gas is for explained hereafter, the high-temperature flue gas produced after combustion of natural gas is directly discharged into atmospheric environment, waste a large amount of fume afterheats and destruction has been caused to environment, now by arranging hot Media Oven flue gas finned tube recover and fiery cylinder stove finned tube recover, the flue gas discharged after making hot Media Oven and fiery cylinder stove combustion of natural gas within it with the part conduction oil heat exchange separated from hot Media Oven conduction oil main line, solve hot Media Oven and fiery cylinder stove smoke discharging residual heat in oil field light hydrocarbon recovery process high, the heat of absorption is also used for driving ammonia water absorbing refrigerator by the problem of pollutant atmosphere, just supplemented by the conduction oil heat of hot Media Oven when the fume afterheat shortage of heat that hot Media Oven flue gas finned tube recover and fiery cylinder stove finned tube recover absorb is to meet the heat demand of ammonia water absorbing refrigerator group, the calorific requirement being used for supplementary hot Media Oven is reduced the load of hot Media Oven by the heat of having more than needed when the fume afterheat heat that hot Media Oven flue gas finned tube recover and fiery cylinder stove finned tube recover absorb also has more than needed except driving ammonia water absorbing refrigerator, the part conduction oil separated with hot Media Oven drives ammonia water absorbing refrigerator to freeze, substitute the mechanical compression type refrigeration machine in former process for recovering light hydrocarbon flow process, but end refrigerating plant wherein still adopts the evaporimeter in the lighter hydrocarbons recovery chemical-process in former process for recovering light hydrocarbon flow process, refrigeration is achieved like this when not destroying and replace the evaporimeter in former technological process pipeline, lighter hydrocarbons recovery chemical-process, saved project reconstruction cost, substituting of mechanical compression type refrigeration machine then solves the problem that traditional mechanical compressor consumes a large amount of electric energy in oil field.
Accompanying drawing explanation
Fig. 1 is the ammonia water absorbing refrigerator working cycles flow chart of the oil field waste heat driven for lighter hydrocarbons recovery; In figure, dotted line is cooling water channel, and dotted line is heat conduction oil circuit, and two-dot chain line is flue gas road, and vertical stroke line is signal control line, and solid line is ammonia road, and arrow direction is flow direction.
Fig. 2 is that connection diagram installed by hot Media Oven and hot Media Oven flue gas finned tube recover.
Fig. 3 is hot Media Oven flue gas finned tube recover cutting structural representation.
Fig. 4 is that connection diagram installed by fiery cylinder stove and fiery cylinder kiln gas finned tube recover.
Fig. 5 is fiery cylinder kiln gas finned tube recover cutting structural representation.
Fig. 6 is conduction oil generator cutting structural representation.
Fig. 7 is evaporimeter cutting structural representation.
In figure, 1-hot Media Oven; 2-hot Media Oven heat conduction oil circulating pump; 3-fire cylinder stove; 4-hot Media Oven flue gas finned tube recover; 5-fire cylinder kiln gas finned tube recover; 6-electric control valve; 7-conduction oil generator; 8-rectifying column; 9-condenser; 10-electrical control cubicles; 11-temperature sensor; 12-subcooler; 13-ammonia tank; 14-solution heat exchanger; The full liquid bubble absorption device of 15-; 16-concentrated solution tank; 17-solution pump; 18-hot Media Oven smoke exhaust pipe; 19-stop valve; 20-stop valve; 21-stop valve; 22-hot Media Oven flue gas finned tube recover exhanst gas outlet; 23-hot Media Oven flue gas finned tube recover heat conductive oil inlet; 24-hot Media Oven flue gas finned tube recover conduction oil exports; 25-hot Media Oven flue gas finned tube recover gas approach; 26-hot Media Oven flue gas finned tube recover heat exchanger tube; 27-fire cylinder fire grate smoke pipe; 28-stop valve; 29-stop valve; 30-stop valve; 31-fire cylinder kiln gas finned tube recover exhanst gas outlet; 32-fire cylinder kiln gas finned tube recover heat conductive oil inlet; The outlet of 33-fire cylinder kiln gas finned tube recover conduction oil; 34-fire cylinder kiln gas finned tube recover gas approach; 35-fire cylinder kiln gas finned tube recover heat exchanger tube; 36-conduction oil generator heat conductive oil inlet; 37-conduction oil generator conduction oil exports; 38-conduction oil generator heat exchanger tube; 39-evaporimeter; The import of 40-evaporimeter light hydrocarbon feedstocks gas; 41-evaporimeter liquefied light hydrocarbon liquid-vapor mixture exports; The import of 42-evaporimeter liquefied ammonia; The cold ammonia outlet of 43-evaporimeter; 44-heat exchange pipe of evaporator; The import of 45-concentrated ammonia solution; 46-ammonia liquid-vapor mixture exports; 47-cooling water inlet; 48-coolant outlet; 49-hot Media Oven heat conduction oil circulating pump conduction oil exports; 50-hot Media Oven conduction oil is answered back; 51-stop valve; 52-stop valve; 53-stop valve; 54-stop valve; 55-stop valve; 56-weak solution float-ball type choke valve; 57-liquefied ammonia float-ball type choke valve.
Detailed description of the invention
Below in conjunction with technical scheme and accompanying drawing, describe specific embodiment of the utility model in detail.
As shown in Figure 1, from the outlet of hot Media Oven 1 heat conduction oil circulating pump 2 go the main line of lighter hydrocarbons recovery chemical-process separate a branch road successively with the conduction oil generator heat conductive oil inlet 36 of conduction oil generator 7, conduction oil generator conduction oil outlet 37, electric control valve 6, the hot Media Oven flue gas finned tube recover heat conductive oil inlet 23 of hot Media Oven flue gas finned tube recover 4, hot Media Oven flue gas finned tube recover conduction oil outlet 24, the fiery cylinder kiln gas finned tube recover heat conductive oil inlet 32 of fire cylinder kiln gas finned tube recover 5, fire cylinder kiln gas finned tube recover conduction oil outlet 33, the branch road that hot Media Oven 1 conduction oil loop main line separates forms a closed-loop path by fastener for connection, a stop valve often opened 54 is respectively installed at two ends, closed-loop path, stop valve 55, whole closed-loop path all arranges the loss that heat-insulation layer prevents heat.A stop valve often opened 51, stop valve 52 are respectively installed in electric control valve both sides, at two the stop valve both sides of often opening branch roads in parallel, and the stop valve 53 that on branch road, installation one is normally closed.
As Figure 2-3, hot Media Oven 1 exhaust opening adds a hot Media Oven flue gas finned tube recover 4, a stop valve often opened 19, stop valve 20 are respectively installed in the both sides of hot Media Oven flue gas finned tube recover 4, at two the stop valve both sides of often opening branch roads in parallel, the stop valve 21 that on branch road, installation one is normally closed.
As illustrated in figures 4-5, fire cylinder stove 3 mouth of pipe of discharging fume adds a fiery cylinder kiln gas finned tube recover 5, a stop valve often opened 28, stop valve 29 are respectively installed in the both sides of fire cylinder kiln gas finned tube recover 5, at two the stop valve both sides of often opening branch roads in parallel, the stop valve 30 that on branch road, installation one is normally closed.The liquefied ammonia outlet of subcooler 12 successively with the evaporimeter liquefied ammonia import 40 of the evaporimeter 39 in lighter hydrocarbons recovery chemical-process, the cold ammonia outlet 43 of evaporimeter of the evaporimeter 39 in lighter hydrocarbons recovery chemical-process, the cold ammonia import of subcooler 12 is connected into a closed-loop path by steel pipe connecting; Whole closed-loop path all arranges the loss that heat-insulation layer prevents cold;
As shown in Figure 7, the liquefied ammonia that subcooler 12 flows out enters after evaporation generation cold forms cold ammonia in the housing of the evaporimeter 39 lighter hydrocarbons recovery chemical-process from the evaporimeter liquefied ammonia import 42 lighter hydrocarbons recovery chemical-process and flows out from the cold ammonia outlet 43 of the evaporimeter lighter hydrocarbons recovery chemical-process; Formed liquefied light hydrocarbon liquid-vapor mixture after part cooling in the heat exchange pipe of evaporator 44 of the light hydrocarbon feedstocks gas entered from the evaporimeter light hydrocarbon feedstocks gas import 40 lighter hydrocarbons recovery chemical-process in lighter hydrocarbons recovery chemical-process to flow out from the evaporimeter liquefied light hydrocarbon liquid-vapor mixture outlet 41 lighter hydrocarbons recovery chemical-process;
As shown in Figure 6, export from hot Media Oven 1 heat conduction oil circulating pump 2 conduction oil going the main line of lighter hydrocarbons recovery chemical-process to separate first to enter in conduction oil generator heat exchanger tube 38 with after the heat exchange of conduction oil generator 7 case side concentrated ammonia solution from the conduction oil generator heat conductive oil inlet 36 of conduction oil generator 7 and export 37 from conduction oil generator conduction oil and flow out, then enter in hot Media Oven flue gas finned tube recover heat exchanger tube 26 with after hot Media Oven flue gas finned tube recover 4 case side flue gas heat exchange from hot Media Oven flue gas finned tube recover heat conductive oil inlet 23 and export 24 from hot Media Oven flue gas finned tube recover conduction oil and flow out, enter in fiery cylinder kiln gas finned tube recover heat exchanger tube 35 from fiery cylinder kiln gas finned tube recover heat conductive oil inlet 32 and export 33 from fiery cylinder kiln gas finned tube recover conduction oil after fiery cylinder kiln gas finned tube recover 5 case side flue gas heat exchange again and flow out, hot Media Oven 1 is flowed back to by the branch road that hot Media Oven 1 conduction oil loop main line separates after the smoke evacuation ladder of hot Media Oven 1 and fiery cylinder stove 3 is reclaimed.The pipeline returning subcooler 12 from the cold ammonia of evaporimeter 39 evaporation lighter hydrocarbons recovery chemical-process is provided with a temperature sensor 11, and temperature sensor 11, electrical control cubicles 10, electric control valve 6 realizes electric part and electrically connects, temperature sensor 11 reclaims requirements set temperature range of cryogenic temperature in chemical-process according to oil field light hydrocarbon, temperature signal is sent to electrical control cubicles 10 by temperature sensor 11 in real time, electrical control cubicles 10 outputs signal and regulates electric control valve 6 in real time, in order to control the conduction oil flow entering conduction oil generator 7, reach the requirement that oil field light hydrocarbon reclaims cryogenic temperature in chemical-process.Concentrated ammonia solution in conduction oil generator 7 housing produces ammonia through heat-conducting oil heating, ammonia enters in rectifying column 8 housing to enter after rectification and purification in condenser 9 housing and is condensed into liquefied ammonia and is stored in ammonia tank 13, from ammonia tank 13 liquefied ammonia out to enter in subcooler 12 heat exchanger tube and in evaporimeter 39 housing of lighter hydrocarbons recovery chemical-process evaporation return and after entering the further heat exchange of cold ammonia in subcooler 12 housing in evaporimeter 39 housing that liquefied ammonia float-ball type choke valve 57 reducing pressure by regulating flow finally enters lighter hydrocarbons recovery chemical-process sweat cooling produce cold ammonia, cold ammonia enters in full liquid bubble absorption device 15 housing after entering the further heat exchange of liquefied ammonia in subcooler 12 housing and in subcooler 12 heat exchanger tube under the effect of pressure reduction, the dilute ammonia solution that flows out in rectifying column 8 housing flows in solution heat exchanger 14 heat exchanger tube to lower the temperature with concentrated solution heat exchange in solution heat exchanger 14 housing and after weak solution float-ball type choke valve 56 reducing pressure by regulating flow, enter the cold ammonia of full liquid bubble absorption device 15 shell body absorption and forms concentrated ammonia solution and enter concentrated solution tank 16, concentrated ammonia solution flow out from concentrated solution tank 16 and pumped into by solution pump 17 heat up with weak solution heat exchange in solution heat exchanger 14 heat exchanger tube in solution heat exchanger 14 housing after enter in conduction oil generator 7 housing.
Claims (7)
1. the ammonia water absorbing refrigerator for the oil field waste heat driven of lighter hydrocarbons recovery, it is characterized in that adding a hot Media Oven flue gas finned tube recover at hot Media Oven exhaust opening, hot Media Oven discharge flue gas enter in hot Media Oven flue gas finned tube recycling shell collector with conduction oil heat exchange in hot Media Oven flue gas finned tube recover heat exchanger tube after emptying;
Add a fiery cylinder kiln gas finned tube recover at fiery cylinder fire grate mouth, the flue gas that fiery cylinder fire grate goes out enter in fiery cylinder kiln gas finned tube recycling shell collector with conduction oil heat exchange in fiery cylinder kiln gas finned tube recover heat exchanger tube after emptying;
Conduction oil export pipeline after hot Media Oven heat conduction oil circulating pump separates a branch road and be communicated with conduction oil generator heat exchanger tube successively, electric control valve, sends hot Media Oven conduction oil pipeline of answering back back to and forms a closed-loop path by conduction oil after hot Media Oven flue gas finned tube recover heat exchanger tube and fiery cylinder kiln gas finned tube recover heat exchanger tube;
Conduction oil generator body upper outlet is by the import of pipeline connection rectifying column housing central section, the outlet of rectifying column case top is by pipeline connection condenser shell upper inlet, condenser shell outlet at bottom is by pipeline connection ammonia tank top inlet, ammonia tank top exit is by the import of pipeline connection subcooler heat exchanging pipe, the outlet of subcooler heat exchanging pipe is by the evaporator shell lower inlet of pipeline in liquefied ammonia float-ball type choke valve connection lighter hydrocarbons recovery chemical-process, evaporator shell upper outlet in lighter hydrocarbons recovery chemical-process is by pipeline connection subcooler case entrances, subcooler housing outlets is by the full liquid bubble absorption device lower housing portion import of pipeline connection, the outlet of rectifying column lower housing portion is by the import of pipeline connection solution heat exchanger heat exchanging pipe, the outlet of solution heat exchanger heat exchanging pipe is communicated with full liquid bubble absorption device housing bottom import by pipeline through weak solution float-ball type choke valve, full liquid bubble absorption device housing upper outlet is by the import of pipeline connection concentrated solution tank, NaOH solution tank NaOH outlet at bottom is by the heat exchanging pipe import of pipeline connection rectifying column top, the heat exchanging pipe outlet of rectifying column top is by pipeline connection solution heat exchanger case entrances, solution heat exchanger housing outlets is by pipeline connection conduction oil generator body bottom inlet, full liquid bubble absorption device heat exchanging pipe outlet is by the road import of pipeline connection condenser heat-exchange pipes.
2. the ammonia water absorbing refrigerator of the oil field waste heat driven for lighter hydrocarbons recovery according to claim 1, it is characterized in that a stop valve often opened respectively is installed in electric control valve both sides, at two the stop valve both sides of often opening branch roads in parallel, the stop valve that on branch road, installation one is normally closed.
3. the ammonia water absorbing refrigerator of the oil field waste heat driven for lighter hydrocarbons recovery according to claim 1, is characterized in that a stop valve often opened respectively is installed at the two ends of the conduction oil branch road closed-loop path separated.
4. according to claim 1 for the ammonia water absorbing refrigerator of the oil field waste heat driven of lighter hydrocarbons recovery, it is characterized in that a stop valve often opened respectively is installed in the both sides of hot Media Oven flue gas finned tube recover, at two the stop valve both sides of often opening branch roads in parallel, the stop valve that on branch road, installation one is normally closed.
5. according to claim 1 for the ammonia water absorbing refrigerator of the oil field waste heat driven of lighter hydrocarbons recovery, it is characterized in that a stop valve often opened respectively is installed in the both sides of fiery cylinder kiln gas finned tube recover, at two the stop valve both sides of often opening branch roads in parallel, the stop valve that on branch road, installation one is normally closed.
6. according to claim 1 for the ammonia water absorbing refrigerator of the oil field waste heat driven of lighter hydrocarbons recovery, it is characterized in that the pipeline returning subcooler from the cold ammonia of the evaporator evaporation in lighter hydrocarbons recovery chemical-process is provided with a temperature sensor, and temperature sensor is electrically connected with electrical control cubicles.
7., according to claim 1 for the ammonia water absorbing refrigerator of the oil field waste heat driven of lighter hydrocarbons recovery, it is characterized in that closed-loop path outer wall arranges heat-insulation layer; The evaporator shell lower inlet pipeline outer wall that subcooler heat exchanging pipe is exported in lighter hydrocarbons recovery chemical-process arranges heat-insulation layer; Evaporator shell upper outlet in lighter hydrocarbons recovery chemical-process arranges heat-insulation layer to subcooler case entrances pipeline outer wall; Subcooler housing outlets arranges heat-insulation layer to expiring liquid bubble absorption device lower housing portion inlet ductwork outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520909556.2U CN205174919U (en) | 2015-11-16 | 2015-11-16 | A oil field used heat driven ammonia absorption formula refrigerator for lighter hydrocarbons are retrieved |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520909556.2U CN205174919U (en) | 2015-11-16 | 2015-11-16 | A oil field used heat driven ammonia absorption formula refrigerator for lighter hydrocarbons are retrieved |
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| CN205174919U true CN205174919U (en) | 2016-04-20 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444456A (en) * | 2015-11-16 | 2016-03-30 | 泰山集团股份有限公司 | Ammonia-water absorption type refrigerator driven by oilfield waste heat and used for recycling light hydrocarbon |
| CN111520933A (en) * | 2020-04-07 | 2020-08-11 | 北京建筑大学 | Self-pressurization type lithium bromide bubbling absorption device and control method thereof |
| CN112361659A (en) * | 2020-11-26 | 2021-02-12 | 华北电力大学 | Super heat pump of energy potential coupling |
-
2015
- 2015-11-16 CN CN201520909556.2U patent/CN205174919U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444456A (en) * | 2015-11-16 | 2016-03-30 | 泰山集团股份有限公司 | Ammonia-water absorption type refrigerator driven by oilfield waste heat and used for recycling light hydrocarbon |
| CN111520933A (en) * | 2020-04-07 | 2020-08-11 | 北京建筑大学 | Self-pressurization type lithium bromide bubbling absorption device and control method thereof |
| CN112361659A (en) * | 2020-11-26 | 2021-02-12 | 华北电力大学 | Super heat pump of energy potential coupling |
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