CN206799556U - A kind of absorbing natural gas tower heat-exchange system - Google Patents

A kind of absorbing natural gas tower heat-exchange system Download PDF

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Publication number
CN206799556U
CN206799556U CN201720467083.4U CN201720467083U CN206799556U CN 206799556 U CN206799556 U CN 206799556U CN 201720467083 U CN201720467083 U CN 201720467083U CN 206799556 U CN206799556 U CN 206799556U
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natural gas
heat
tower
gas
liquid
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杨光
陈建萍
陈继祖
卓凡
徐彬
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Shenzhen Gas Corp Ltd
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Shenzhen Gas Corp Ltd
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Abstract

A kind of absorbing natural gas tower heat-exchange system provided by the utility model, including the heat exchanger by high-temperature gas natural gas heat exchange after pending low temperature liquid natural gas and processing;Store the natural gas reservoir of pending low temperature liquid natural gas;Absorb the absorption tower of impurity in natural gas;The separator of moisture in separating high-temp gaseous natural gas;The cooler of cooling down high-temperature gaseous natural gas;It is pumped the lean pump of natural gas Impurity Absorption liquid;The poor flow container of natural gas-storing Impurity Absorption liquid;Heat exchanger includes refrigerant passage and heat medium passage;The entrance of natural gas reservoir and refrigerant passage connects, and the bottom on absorption tower and the outlet of refrigerant passage connect;The top on absorption tower is connected with the entrance of heat medium passage, the outlet connection of separator and heat medium passage;Cooler is connected with separator;The top on lean pump and absorption tower connects;Poor flow container is connected with lean pump.The utility model realizes the heat exchange of hot natural gas and the right device of before processing cold day after processing, energy-saving high-efficiency environment-friendly in absorbing natural gas tower operation.

Description

A kind of absorbing natural gas tower heat-exchange system
Technical field
It the utility model is related to natural gas processing field, more particularly to a kind of absorbing natural gas tower heat-exchange system.
Background technology
, it is necessary to which pending natural gas is passed through into absorption tower during natural gas processing, desulfurization and decarburization removing impurities is carried out The absorption operation of matter, the temperature reacted in the absorption process of absorption tower is higher, and being needed before reaction will be pending by high temperature absorbing liquid Low temperature liquid heated by natural gas carries out absorbing reaction to reaction temperature, needs treated high-temperature gas being naturally gas-cooled after reaction But.
At present, during absorption operation, the heating consumption energy of pending low temperature liquid natural gas is larger, meanwhile, The cooling of high-temperature gas natural gas causes wasting for heat energy after reaction;Meanwhile only with high temperature absorbing liquid as single Thermal source heats pending natural gas, it is desirable to which absorbing liquid reaches higher temperature, lean pump is damaged larger.
Therefore, prior art has yet to be improved and developed.
Utility model content
In view of above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of absorbing natural gas tower heat exchange System, it is intended to solve in the prior art absorbing natural gas tower course of work heat low temperature liquid natural gas heating resource it is single, the energy obtains Utilized less than effective, be unfavorable for environmental protection while damaging equipment, the problem of being brought inconvenience to production.
The technical solution of the utility model is as follows:
A kind of absorbing natural gas tower heat-exchange system, wherein, including:
For by pending low temperature liquid natural gas with processing after high-temperature gas natural gas heat exchange heat exchanger;
For storing the natural gas reservoir of pending low temperature liquid natural gas;
For absorbing the absorption tower of impurity in pending low temperature liquid natural gas;
Separator for moisture in separating high-temp gaseous natural gas;
Cooler for cooling down high-temperature gaseous natural gas;
For being pumped the lean pump of natural gas Impurity Absorption liquid;
Poor flow container for natural gas-storing Impurity Absorption liquid;
The heat exchanger includes refrigerant passage and heat medium passage;The entrance of the natural gas reservoir and the refrigerant passage Connection, the bottom on the absorption tower is connected with the outlet of the refrigerant passage;The top on the absorption tower and the heat medium passage Entrance be connected, the separator is connected with the outlet of the heat medium passage;
The cooler is connected with the separator;
The lean pump is connected with the top on the absorption tower;
The poor flow container is connected with the lean pump.
Described absorbing natural gas tower heat-exchange system, wherein, the heat exchanger is dividing wall type heat exchanger, and the refrigerant leads to The entrance in road is arranged on the left side at the top of the dividing wall type heat exchanger, and the outlet of the refrigerant passage is arranged on the dividing wall type and changed The right side of hot device bottom, the outlet of the entrance and refrigerant passage of the refrigerant passage are connected by heat exchanger tube, the heat exchanger tube It is shaped as helical form.
Described absorbing natural gas tower heat-exchange system, wherein, the internal temperature of the natural gas reservoir is 7 ~ 10 DEG C.
Described absorbing natural gas tower heat-exchange system, wherein, the absorption tower is packed tower, and the packed tower specifically wraps Include:
Shell, the shell are shaped as cylinder, and the bottom of shell is provided with low temperature liquid gas inlet, shell Top is provided with high-temperature gas gas outlet and spray-head interface;
For increasing the filler of low temperature liquid natural gas and natural gas Impurity Absorption liquid contact area, the filler is arranged on The inside of the shell, the height of filler are more than 2/3rds of the outer cover height.
Described absorbing natural gas tower heat-exchange system, wherein, the institute absorption tower is internally provided with shower nozzle, the shower nozzle It is connected with the spray-head interface and is located at the top on the absorption tower, the lean pump leads to
Described absorbing natural gas tower heat-exchange system, wherein, the shower nozzle is shaped as disc, and the shower nozzle Area is the half of the cross-sectional outer area.
Described absorbing natural gas tower heat-exchange system, wherein, if the filler is made up of dried layer stainless steel substrates, it is described not The spacing of rust steel disc is 10 ~ 20cm, and several manholes are both provided with each stainless steel substrates, the manhole A diameter of 3 ~ 5cm.
Described absorbing natural gas tower heat-exchange system, wherein, the separator is vertical gravity gas-liquid separator, comprising There are the air inlet for being arranged on upper end opposite sides, gas outlet and the liquid for being arranged on the vertical gravity gas-liquid separator bottom Outlet.
Described absorbing natural gas tower heat-exchange system, wherein, the cooler is internally provided with concentric sleeve pipe, respectively Inner layer sleeve and outer layer sleeve are designated as, the left side of the inner layer sleeve is connected with the gas outlet, the outer layer sleeve and circulation Supply equipment connects.
Described absorbing natural gas tower heat-exchange system, wherein, the pressure inside the absorption tower is 4 ~ 6 MPa.
In summary, a kind of absorbing natural gas tower heat-exchange system provided by the utility model, including by pending low temperature Liquified natural gas and the heat exchanger of high-temperature gas natural gas heat exchange after processing;Store the natural of pending low temperature liquid natural gas Gas holder;Absorb the absorption tower of impurity in natural gas;The separator of moisture in separating high-temp gaseous natural gas;Cooling down high-temperature gas The cooler of state natural gas;It is pumped the lean pump of natural gas Impurity Absorption liquid;The poor flow container of natural gas-storing Impurity Absorption liquid;Change Hot device includes refrigerant passage and heat medium passage;The entrance of natural gas reservoir and refrigerant passage connect, the bottom on absorption tower with it is cold The outlet connection of matchmaker's passage;The top on absorption tower is connected with the entrance of heat medium passage, and the outlet of separator and heat medium passage connects Connect;Cooler is connected with separator;The top on lean pump and absorption tower connects;Poor flow container is connected with lean pump.The utility model The heat exchange of hot natural gas and the right device of before processing cold day after handling, energy-saving high-efficiency environment-friendly are realized in absorbing natural gas tower operation.
Brief description of the drawings
Fig. 1 is the structural representation of absorbing natural gas tower heat-exchange system described in the utility model.
Embodiment
To make the purpose of this utility model, technical scheme and advantage clearer, clear and definite, develop simultaneously implementation referring to the drawings The utility model is further described example.It should be appreciated that specific embodiment described herein is only explaining this reality With new, it is not used to limit the utility model.
Fig. 1 is referred to, Fig. 1 is the structural representation of absorbing natural gas tower heat-exchange system described in the utility model.Such as Fig. 1 It is shown, the absorbing natural gas tower heat-exchange system, including:
For by pending low temperature liquid natural gas with processing after high-temperature gas natural gas heat exchange heat exchanger 100;
For storing the natural gas reservoir 200 of pending low temperature liquid natural gas;
For absorbing the absorption tower 300 of impurity in pending low temperature liquid natural gas;
Separator 400 for moisture in separating high-temp gaseous natural gas;
Cooler 500 for cooling down high-temperature gaseous natural gas;
For being pumped the lean pump 600 of natural gas Impurity Absorption liquid;
Poor flow container 700 for natural gas-storing Impurity Absorption liquid;
The heat exchanger 100 includes refrigerant passage 110 and heat medium passage 120;The natural gas reservoir 200 with it is described cold The entrance connection of matchmaker's passage 110, the bottom on the absorption tower 300 is connected with the outlet of the refrigerant passage 110;The absorption tower 300 top is connected with the entrance of the heat medium passage 120, and the outlet of the separator 400 and the heat medium passage 120 connects Connect;
The cooler 500 is connected with the separator 400;
The lean pump 600 is connected with the top on the absorption tower 300;
The poor flow container 700 is connected with the lean pump 600.
Further, the natural gas Impurity Absorption liquid is specially amine liquid, wherein, the amine liquid before absorbing impurity is designated as Lean solution, absorb the amine liquid after impurity and be designated as rich solution, temperature of the lean solution when the top of absorption tower 300 sprays is 43 DEG C.
When specifically used, stored low temperature liquid natural gas is passed through by refrigerant passage 110 by natural gas reservoir 200 Entrance is passed through in heat exchanger 100, and the low temperature liquid natural gas is exported into absorption tower 300 after heat exchange by refrigerant passage 110 Bottom;Meanwhile the lean pump 600 in poor flow container 700 is pressed onto the top of absorption tower 300 and sprayed downwards by lean pump 600;Now, The lean solution sprayed downwards in absorption tower 300 fully contacts with the low temperature liquid natural gas being passed through from bottom, reacts, alkaline Amine absorption liquid absorbs the CO in natural gas2、SO2Deng acid impurities;Afterwards, the High Temperature Gas with absorbing liquid reaction completely, after processing State natural gas overflows from the top on absorption tower 300, enters the heat medium passage 120 of heat exchanger 100 from the entrance of heat medium passage 120, In heat exchanger 100, high-temperature gas natural gas and low temperature pending in refrigerant passage 110 after being handled in heat medium passage 120 Heat exchange occurs for liquified natural gas;The above-mentioned high-temperature gas natural gas that heat exchange is completed in heat exchanger 100 separates out liquid to the cold Water forms gas liquid mixture, and gas liquid mixture is passed through in separator 400, and aqueous water separates with natural-gas, completes preliminary de- Water;Finally the natural gas Jing Guo preliminary hydro-extraction is passed through in cooler 500, further cooling, unnecessary moisture are separated out, obtained to the cold To after processing, the natural gas of removing impurities matter is dehydrated.
Due to transport and processing in terms of needs, natural gas is generally kept in 7 DEG C of liquid, but in the suction of desulfurization and decarburization During receipts, 43 DEG C ~ 50 DEG C are only optimal reaction temperature, and natural gas, which is cooled down, again after the completion of absorbing reaction makes The liquid for returning to 7 DEG C.In the course of reaction for absorbing impurity, prior art is generally by heating absorbing liquid(Lean solution)To reach The purpose of heated natural gas, such a method method one side thermal source is single, larger to energy resource consumption, and natural gas heating is completed to absorb Cool again after reaction, cause wasting, on the other hand needing absorbing liquid for heat energy(Lean solution)Higher temperature is heated to, Requirement to lean pump 600 is higher;By way of setting heat exchanger 100, low temperature liquid natural gas passes through cold the utility model Matchmaker's passage 110 enters in heat exchanger 100, and the heat for absorbing heat medium passage 120 realizes preliminary heating, so that lean pump The lean solution temperature pumped out at 600 reduces, and protects lean pump 600;High-temperature gas natural gas is entered by heat medium passage 120 simultaneously In heat exchanger 100, preliminary cool is realized with the heat exchange of refrigerant passage 110;Whole process is taken full advantage of in course of reaction Heat, realize save while protect equipment.
Further, the heat exchanger 100 is dividing wall type heat exchanger 100, and the entrance of the refrigerant passage 110 is arranged on institute The left side at the top of dividing wall type heat exchanger 100 is stated, the outlet of the refrigerant passage 110 is arranged on the bottom of dividing wall type heat exchanger 100 The right side in portion, the entrance of the refrigerant passage 110 are connected with the outlet of refrigerant passage 110 by heat exchanger tube, the heat exchanger tube It is shaped as helical form.
During specific works, low temperature liquid natural gas enters in heat exchanger 100 from refrigerant passage 110, enters with heat medium passage 120 On the one hand row heat exchange, the process need low temperature liquid natural gas fully to be exchanged heat with high-temperature gas natural gas, improve heat exchange efficiency, together When, substantial contact can not occur again for low temperature liquid natural gas and high-temperature gas natural gas, in a face low temperature liquid natural gas Impurity is polluted to high-temperature gas natural gas, therefore refrigerant passage 110 is arranged into spiral helicine heat exchanger tube, the pipe that spiral turns Road adds time and the contact area of low temperature liquid natural gas and high-temperature gas natural gas thermal energy exchange, improves heat exchange effect Rate while there is preferable sealing property, prevent natural gas from polluting.
Further, the internal temperature of the natural gas reservoir 200 is 7 ~ 10 DEG C.
During specific works, at a certain pressure, natural gas can keep liquid, be readily transported and process etc. step at 7 ~ 10 DEG C Suddenly.
Further, the absorption tower 300 is packed tower, and the packed tower specifically includes:
Shell, the shell are shaped as cylinder, and the bottom of shell is provided with low temperature liquid gas inlet, shell Top is provided with high-temperature gas gas outlet and the interface of shower nozzle 310;
For increasing the filler of low temperature liquid natural gas and natural gas Impurity Absorption liquid contact area, the filler is arranged on The inside of the shell, the height of filler are more than 2/3rds of the outer cover height.
Further, the opposite side of the outer casing bottom is additionally provided with rich solution outlet, the other end of the rich solution outlet It is provided with for the absorbing liquid processing mechanism by removal of impurities such as the carbon in the rich solution, sulfide for lean solution.
During specific works, the low temperature liquid natural gas tentatively to be heated up through heat exchanger 100 enters from the low temperature liquid natural gas Mouth is entered in the shell, and the spout joint of the cover top portion sprays the lean solution that temperature is 43 ~ 50 DEG C, and the lean solution exists Sprayed downwards in the presence of gravity, lean solution fully contacts in the presence of filler with low temperature liquid natural gas, low in the process The acidic materials such as carbon dioxide and sulfur dioxide that warm liquified natural gas includes are dissolved among lean solution, and lean solution, which is changed into, to be rich in The rich solution of carbon, sulfide, while low temperature liquid natural gas is vaporizated into high-temperature gas natural gas at high temperature, overflows, passes through upwards The high-temperature gas gas outlet enters the entrance of heat medium passage 120.
Further, the institute absorption tower 300 is internally provided with shower nozzle 310, and the shower nozzle 310 connects with the shower nozzle 310 Mouth is connected and connected positioned at the top on the absorption tower 300, the lean pump 600 by the shower nozzle 310 and the absorption tower 300 Connect.
During specific works, temperature is stored in the poor flow container 700 as 43 ~ 50 DEG C of lean solution, inside the poor flow container 700 Pressure is 5 ~ 6 MPa, and under the pump pressure of the lean pump 600, the lean solution enters in the shower nozzle 310 and sprayed downwards.
Further, the shower nozzle 310 is shaped as disc, and the area of the shower nozzle 310 is that the shell is transversal The half of face area.
During specific works, the discoidal shower nozzle 310 sprays to lean solution, so that lean solution and low temperature liquid day Right gas has bigger contact area, meanwhile, the area of shower nozzle 310 is the half of the cross-sectional outer area so that The high-temperature gas natural gas of vaporization has space to be overflowed from high-temperature gas gas outlet, it is ensured that pressure is evenly distributed, prevents Local pressure is excessive.
Further, if the filler is made up of dried layer stainless steel substrates, the spacing of the stainless steel substrates is 10 ~ 20cm, institute State and several manholes are both provided with each stainless steel substrates, a diameter of 3 ~ 5cm of the manhole.
During specific works, the lean solution flows down piecewise along the manhole of the stainless steel substrates under gravity, together When, stainless steel substrates have conductive force in itself, while the air inside whole packed tower is heated to 43 ~ 50 DEG C by lean solution, therefore Vaporization occurs in the presence of above-mentioned heat for the low temperature liquid natural gas turns into high-temperature gas natural gas, along the manhole Successively rise, the high-temperature gas natural gas slowly stops in every stainless steel substrates, while lean solution leaves along manhole and is Be attached on the surface of stainless steel substrates, if therefore the dried layer stainless steel substrates composition filler ensure that lean solution and low temperature liquid day The abundant contact of right gas, improve the absorption efficiency on absorption tower 300.
Further, the separator 400 is vertical gravity gas-liquid separator 400, includes and is arranged on upper end with respect to two Air inlet 410, gas outlet 420 and the liquid outlet 430 for being arranged on the bottom of vertical gravity gas-liquid separator 400 of side.
Further, the gravity gas-liquid separator 400 is shaped as cylinder.
During specific works, the high-temperature gas natural gas come out from the heat medium passage 120 passes through the preliminary drop of heat exchanger 100 Temperature, part vapor are condensed into liquid to the cold, form gas liquid mixture, and the gas liquid mixture enters through the air inlet 410 Gravity gas-liquid separator 400, the aqueous water in gas liquid mixture are deposited in the gravity gas-liquid separator under gravity 400 bottom, reclaimed after being flowed out by the liquid outlet 430;High-temperature gas natural gas density in gas liquid mixture is smaller, The top of gravity gas-liquid separator 400 is swum in, is flowed out by gas outlet 420, is follow-up so as to realize preliminary gas-liquid separation The cooling step of cooler 500 saves the energy.
Further, the cooler 500 is internally provided with concentric sleeve pipe, is designated as inner layer sleeve and outer layer jacket respectively Pipe, the left side of the inner layer sleeve are connected with the gas outlet 420, and the outer layer sleeve is connected with periodical feeding equipment.
Further, the periodical feeding equipment specifically includes:
Go out to ship the heat exchanging water pipe of high-temperature water for receiving cooler 500;
The refrigeration machine to be cooled for exchanging high-temperature water in hot-water line;
The water pump flowed for transport liquid water between refrigeration machine and cooler 500;
The high-temperature water pump that cooling down operation is completed in cooler 500 is pressed onto in heat exchanging water pipe by the water pump, the refrigeration High-temperature water in machine exchange hot-water line is cooled down, and the water at low temperature after cooling is refilled cooler by water pump afterwards Cooling down operation is carried out in 500 outer layer sleeve.
During specific works, the high-temperature gas natural gas flowed out in being flowed out by the gas outlet 420 enters the inner layer sleeve In, with outer layer sleeve water at low temperature occur heat exchange, again cooling liquefaction for low temperature liquid natural gas to carry out subsequent operation, Water in outer layer sleeve continuously provides the water at low temperature for being cooled down under the work of periodical feeding equipment.
Further, the pressure inside the absorption tower 300 is 4 ~ 6 MPa.
During specific works, according to the physicochemical properties of natural-gas, 4 ~ 6MPa, 43 ~ 50 DEG C be selexol process decarburization The optimum reaction condition of absorption operation.
During specific works, the course of work of absorbing natural gas tower heat-exchange system provided by the utility model can be divided into suction Receive step, heat exchange step and cooling step.
Absorption step, stored low temperature liquid natural gas is passed through by natural gas reservoir and is passed through by refrigerant passage entrance In heat exchanger, the pending low temperature liquid natural gas is exported to enter after heat exchanger refrigerant passage by refrigerant passage to be absorbed Tower bottom;The high temperature absorbing liquid pump in poor flow container is pressed onto at the top of absorption tower by lean pump, by being arranged at the top of absorption tower, The shower nozzle being connected with lean pump, sprays downwards absorbing liquid;The high temperature absorbing liquid sprayed downwards in absorption tower and it is passed through from bottom Low temperature liquid natural gas fully contacts, and reacts, and absorbing liquid absorbs the CO in natural gas2、SO2Deng impurity;Pure high temperature day Right gas overflows from the top on absorption tower, so as to complete absorption step.
Heat exchange step, overflowed with the high-temperature gas natural gas of absorbing liquid reaction completely, after processing from the top on absorption tower, from The entrance of heat medium passage enters the heat medium passage of heat exchanger, and in heat exchanger, the high-temperature gas after being handled in heat medium passage is natural With low temperature liquid natural gas pending in refrigerant passage heat exchange occurs for gas;The cooling of high-temperature gas natural gas, low temperature liquid day Right gas lift temperature, saves the energy, so as to complete heat exchange step.
Cooling step, the high-temperature gas natural gas that heat exchange is completed in heat exchanger separate out aqueous water, gas-liquid are mixed to the cold Zoarium is passed through in vertical gravity gas-liquid separator by air inlet, and aqueous water deposits to vertical gravity gas-liquid point under gravity Flowed out in liquid outlet from device bottom, natural gas flows out from gas outlet;It is passed through above-mentioned by the natural gas of preliminary hydro-extraction In cooler, further cooling, unnecessary moisture separate out to the cold, obtain being dehydrated the liquid low temperature natural gas of removing impurities matter.
Above step is circulated, completes the procedure of processing of absorbing natural gas tower heat-exchange system.
In summary, the utility model provides a kind of absorbing natural gas tower heat-exchange system, including by pending low temperature Liquified natural gas and the heat exchanger of high-temperature gas natural gas heat exchange after processing;Store the natural of pending low temperature liquid natural gas Gas holder;Absorb the absorption tower of impurity in natural gas;The separator of moisture in separating high-temp gaseous natural gas;Cooling down high-temperature gas The cooler of state natural gas;It is pumped the lean pump of natural gas Impurity Absorption liquid;The poor flow container of natural gas-storing Impurity Absorption liquid;Change Hot device includes refrigerant passage and heat medium passage;The entrance of natural gas reservoir and refrigerant passage connect, the bottom on absorption tower with it is cold The outlet connection of matchmaker's passage;The top on absorption tower is connected with the entrance of heat medium passage, and the outlet of separator and heat medium passage connects Connect;Cooler is connected with separator;The top on lean pump and absorption tower connects;Poor flow container is connected with lean pump.The utility model The heat exchange of hot natural gas and the right device of before processing cold day after handling, energy-saving high-efficiency environment-friendly are realized in absorbing natural gas tower operation.
It should be appreciated that application of the present utility model is not limited to above-mentioned citing, those of ordinary skill in the art are come Say, can according to the above description be improved or converted, all these modifications and variations should all belong to the appended power of the utility model The protection domain that profit requires.

Claims (10)

  1. A kind of 1. absorbing natural gas tower heat-exchange system, it is characterised in that including:
    For by pending low temperature liquid natural gas with processing after high-temperature gas natural gas heat exchange heat exchanger;
    For storing the natural gas reservoir of pending low temperature liquid natural gas;
    For absorbing the absorption tower of impurity in pending low temperature liquid natural gas;
    Separator for moisture in separating high-temp gaseous natural gas;
    Cooler for cooling down high-temperature gaseous natural gas;
    For being pumped the lean pump of natural gas Impurity Absorption liquid;
    Poor flow container for natural gas-storing Impurity Absorption liquid;
    The heat exchanger includes refrigerant passage and heat medium passage;The entrance of the natural gas reservoir and the refrigerant passage connects Connect, the bottom on the absorption tower is connected with the outlet of the refrigerant passage;The top on the absorption tower and the heat medium passage Entrance is connected, and the separator is connected with the outlet of the heat medium passage;
    The cooler is connected with the separator;
    The lean pump is connected with the top on the absorption tower;
    The poor flow container is connected with the lean pump.
  2. 2. absorbing natural gas tower heat-exchange system according to claim 1, it is characterised in that the heat exchanger is dividing wall type Heat exchanger, the entrance of the refrigerant passage are arranged on the left side at the top of the dividing wall type heat exchanger, the outlet of the refrigerant passage The right side of the dividing wall type heat exchanger bottom is arranged on, the outlet of the entrance and refrigerant passage of the refrigerant passage passes through heat exchanger tube Connection, the heat exchanger tube are shaped as helical form.
  3. 3. absorbing natural gas tower heat-exchange system according to claim 1, it is characterised in that the natural gas reservoir Internal temperature is 7 ~ 10 DEG C.
  4. 4. absorbing natural gas tower heat-exchange system according to claim 1, it is characterised in that the absorption tower is filler Tower, the packed tower specifically include:
    Shell, the shell are shaped as cylinder, and the bottom of shell is provided with low temperature liquid gas inlet, the top of shell It is provided with high-temperature gas gas outlet and spray-head interface;
    For increasing the filler of low temperature liquid natural gas and natural gas Impurity Absorption liquid contact area, the filler is arranged on described The inside of shell, the height of filler are more than 2/3rds of the outer cover height.
  5. 5. absorbing natural gas tower heat-exchange system according to claim 4, it is characterised in that set inside the institute absorption tower Shower nozzle is equipped with, the shower nozzle is connected with the spray-head interface and is located at the top on the absorption tower, and the lean pump passes through described Shower nozzle is connected with the absorption tower.
  6. 6. absorbing natural gas tower heat-exchange system according to claim 5, it is characterised in that the shower nozzle is shaped as justifying Dish type, and the area of the shower nozzle is the half of the cross-sectional outer area.
  7. 7. absorbing natural gas tower heat-exchange system according to claim 4, it is characterised in that if the filler by dried layer not The steel disc that becomes rusty is formed, and the spacing of the stainless steel substrates is 10 ~ 20cm, and it is logical that several circles are both provided with each stainless steel substrates Hole, a diameter of 3 ~ 5cm of the manhole.
  8. 8. absorbing natural gas tower heat-exchange system according to claim 1, it is characterised in that the separator is vertical heavy Strength liquid/gas separator, include the air inlet for being arranged on upper end opposite sides, gas outlet and be arranged on the vertical heavy strength The liquid outlet of liquid/gas separator bottom.
  9. 9. absorbing natural gas tower heat-exchange system according to claim 1, it is characterised in that set inside the cooler There is concentric sleeve pipe, be designated as inner layer sleeve and outer layer sleeve respectively, the left side of the inner layer sleeve is connected with the gas outlet, institute Outer layer sleeve is stated to be connected with periodical feeding equipment.
  10. 10. absorbing natural gas tower heat-exchange system according to claim 1, it is characterised in that inside the absorption tower Pressure is 4 ~ 6 MPa.
CN201720467083.4U 2017-04-28 2017-04-28 A kind of absorbing natural gas tower heat-exchange system Active CN206799556U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108970338A (en) * 2018-07-31 2018-12-11 徐州益康环保科技有限公司 A kind of industrial automation exhaust-gas treatment environmental protection equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108970338A (en) * 2018-07-31 2018-12-11 徐州益康环保科技有限公司 A kind of industrial automation exhaust-gas treatment environmental protection equipment

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