CN103727663A - Crude oil heating system of directly-heated type air source heat pump - Google Patents
Crude oil heating system of directly-heated type air source heat pump Download PDFInfo
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- CN103727663A CN103727663A CN201310737487.7A CN201310737487A CN103727663A CN 103727663 A CN103727663 A CN 103727663A CN 201310737487 A CN201310737487 A CN 201310737487A CN 103727663 A CN103727663 A CN 103727663A
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- source heat
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 38
- 239000010779 crude oil Substances 0.000 title claims abstract description 37
- 239000007788 liquid Substances 0.000 claims abstract description 70
- 239000003921 oil Substances 0.000 claims abstract description 26
- 230000008676 import Effects 0.000 claims description 23
- 238000002347 injection Methods 0.000 claims description 19
- 239000007924 injection Substances 0.000 claims description 19
- 230000002457 bidirectional effect Effects 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract 1
- 230000008020 evaporation Effects 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 abstract 1
- 238000001035 drying Methods 0.000 description 8
- 238000001914 filtration Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 239000011521 glass Substances 0.000 description 4
- 239000003507 refrigerant Substances 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
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- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The invention relates to a crude oil heating system of a directly-heated type air source heat pump. The crude oil heating system comprises a storage tank (19), an air source heat absorption device and a coil pipe heat exchanger (20), the coil pipe heat exchanger (20) is arranged in the storage tank (19), the air source heat absorption device is connected with the coil pipe heat exchanger (20), and the air source heat absorption device comprises a compressor (1), an oil separator (2), a gas-liquid separator (3), a liquid storage device (4), a four-way reversing valve (5), an evaporation surface air cooler (18) and a gas-liquid mixer (24). The crude oil heating system of the directly-heated type air source heat pump is small in electric energy consumption, high in heat transfer efficiency and wide in application range.
Description
Technical field
The present invention relates to a kind of crude oil heating system, heating and the constant temperature of the dispersion crude oil extracting for scene in former fuel tank.Belong to petroleum industry technical field.
Background technology
Existing heating crude oil method, generally adopts electrical heating, air source heat pump heating in crude oil system and heat pump type crude oil heater.Wherein, electrical heating heating in crude oil power consumption is large, and use cost is high; Air source heat pump heating in crude oil system is utilized intermediate water heating, and heat transfer efficiency is low, and high expansion water box easily freezes in the winter time, affects the normal operation of system; Heat pump type crude oil heater is that crude oil is concentrated a kind of heating means in processing refining process, cannot be applicable to heating and the constant temperature of the on-the-spot dispersion crude oil extracting.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, a kind of directly-heated type air source heat pump crude oil heating system is provided, this heating system power consumption is little, and heat transfer efficiency is high and applied widely.
The object of the present invention is achieved like this:
A kind of directly-heated type air source heat pump crude oil heating system, comprise storage bin, be characterized in: described system comprises air-source heat sink and coil heat exchanger, described coil heat exchanger is arranged on the bottom in storage bin, described air-source heater is connected with coil heat exchanger, described air-source heat sink comprises compressor, oil eliminator, gas-liquid separator, reservoir, four-way change-over valve, atimodometer cooler, and liquid air mixer, compressor comprises exhaust outlet, compressor inlet, air entry and oil return opening, oil eliminator comprises oil-out, air inlet and gas outlet, the oil return opening of the oil-out access compressor of described oil eliminator, the air inlet of the exhaust outlet access oil eliminator of compressor, the D interface of the gas outlet access four-way change-over valve of oil eliminator, the tracheae of the C interface access coil heat exchanger of four-way change-over valve, the import of the liquid pipe access reservoir of coil heat exchanger, the import of the outlet access liquid air mixer of reservoir, on the tube connector of the outlet of reservoir and the import of liquid air mixer, be provided with expansion valve, the import of liquid air mixer, the import of the outlet access atimodometer cooler of liquid air mixer, the E interface of the outlet access four-way change-over valve of atimodometer cooler, the import of the S interface access gas-liquid separator of four-way change-over valve, the air entry of the outlet access compressor 1 of gas-liquid separator.
A kind of directly-heated type air source heat pump of the present invention crude oil heating system, also comprise skirt, tube connector between the access gas outlet of oil eliminator, one end and the D interface of four-way change-over valve of described skirt, other end access liquid air mixer, is provided with copper filter, the 4th check valve and increases enthalpy bidirectional electromagnetic valve on described skirt.
A kind of directly-heated type air source heat pump of the present invention crude oil heating system, also comprise liquid injection valve, liquid injection valve comprises liquid injection valve inlet and liquid injection valve liquid outlet, described liquid injection valve liquid outlet access compressor inlet, the tube connector between the access outlet of reservoir of liquid injection valve inlet and the import of liquid air mixer.
A kind of directly-heated type air source heat pump of the present invention crude oil heating system, when environment temperature is greater than 7 ℃, coil heat exchanger has two and be arranged side by side in the bottom of storage bin.
A kind of directly-heated type air source heat pump of the present invention crude oil heating system, environment temperature is greater than-20 ℃ while being less than 7 ℃, coil heat exchanger has four, be divided into upper and lower two groups, two groups of coil heat exchanger interconnections are also arranged in storage bin, described air-source heat sink has two, and two air-source heat sinks are connected with two groups of coil heat exchangers respectively.
Compared with prior art, the invention has the beneficial effects as follows:
1, a kind of directly-heated type air source heat pump of the present invention crude oil heating system, is arranged on coil heat exchanger the bottom of storage bin, and heat transfer efficiency is high.When environment temperature is higher, coil heat exchanger has one group to be arranged side by side, when environment temperature is lower, coil heat exchanger has two groups and arranged in dislocation, the uniformity of the crude oil that has guaranteed lazy flow, low guide temp in heating, thermostatic process.
2, the present invention is compared with electric heating system, and annual operating cost has reduced by 75% ~ 80%.
3, the present invention is stable, and compared with air source heat pump heating in crude oil system, annual operating cost has reduced by 30% ~ 40%.
4, the present invention is not only applicable to crude oil and concentrates processing refining, is also applicable to heating and the constant temperature of the on-the-spot dispersion crude oil extracting, and has applicability widely.
Accompanying drawing explanation
Fig. 1 is that a kind of directly-heated type air source heat pump of the present invention crude oil heating system is at the higher structural representation of environment temperature.
Fig. 2 is the enlarged drawing of A in Fig. 1.
Fig. 3 is air-source heat sink structural representation of the present invention.
Fig. 4 is the layout drawing of the coil heat exchanger in Fig. 1.
Fig. 5 is that a kind of directly-heated type air source heat pump of the present invention crude oil heating system is at the lower structural representation of environment temperature.
Fig. 6 is the enlarged drawing of C in Fig. 4.
Fig. 7 is the layout drawing of coil heat exchanger in Fig. 4.
Fig. 8 is the structural representation of four-way change-over valve of the present invention.
In figure:
Compressor 1, exhaust outlet 1.1, compressor inlet 1.2, air entry 1.3, oil return opening 1.4, oil eliminator 2, oil-out 2.1, air inlet 2.2, gas outlet 2.3, gas-liquid separator 3, reservoir 4, four-way change-over valve 5, increase enthalpy bidirectional electromagnetic valve 6, filter 7, device for drying and filtering 8, liquid injection valve 9, liquid injection valve inlet 9.1, liquid injection valve liquid outlet 9.2, expansion valve 10, check valve group 11, the first check valve 11.1, the second check valve 11.2, the 3rd check valve 11.3, the 4th check valve 11.4, the first ball valve 12, high pressure gauge 13, low-pressure meter 14, dual pressure controller 15, low pressure controller 16, increase enthalpy pressure controller 17, atimodometer cooler 18, storage bin 19, coil heat exchanger 20, liquid-sighting glass 21, the second ball valve 22, the 4th check valve 23, liquid air mixer 24, level sensor 25, skirt 26.
The specific embodiment
Referring to Fig. 1-8, the present invention relates to a kind of directly-heated type air source heat pump crude oil heating system, it comprises air-source heat sink, storage bin 19 and coil heat exchanger 20, air-source heat sink comprises compressor 1, oil eliminator 2, gas-liquid separator 3, reservoir 4, four-way change-over valve 5, device for drying and filtering 8, liquid injection valve 9, check valve group 11, atimodometer cooler 18 and skirt 26, the exhaust outlet 1.1 of described compressor 1 accesses the air inlet of oil eliminator 2, the oil-out 2.1 of described oil eliminator 2 is connected with the oil return opening 1.4 of compressor 1, on tube connector between the exhaust outlet 1.1 of compressor 1 and the air inlet of oil eliminator 2, high pressure gauge 13 and dual pressure controller 15 are installed.
Referring to Fig. 1-4, directly-heated type air source heat pump crude oil heating system during temperature higher (being greater than 7 ℃), the D interface of four-way change-over valve 5 is accessed in the gas outlet 2.3 of oil eliminator 2, the C interface of four-way change-over valve 5 is connected with the tracheae (solid line in Fig. 2) of coil heat exchanger 20, on tube connector between the tracheae of the C interface of four-way change-over valve 5 and coil heat exchanger 20, be provided with the first ball valve 12, the liquid pipe (dotted line in Fig. 2) of coil heat exchanger 20 is connected with the import of the first check valve 11.1 of check valve group 11, on tube connector between the liquid pipe of coil heat exchanger 20 and the import of the first check valve 11.1, be provided with the second ball valve 22, the outlet of the first check valve 11.1 is connected with the import of reservoir 4, the outlet of reservoir 4 is connected with the import of device for drying and filtering 8, the outlet of device for drying and filtering 8 is connected with the import of liquid air mixer 24, liquid-sighting glass 21 and expansion valve 10 are installed on the tube connector between the import of the outlet of described device for drying and filtering 8 and liquid air mixer 24, the outlet of liquid air mixer 24 is connected with the import of the 4th check valve 11.4 of check valve group 11, the outlet of the 4th check valve 11.4 is connected with the import of atimodometer cooler 18, the outlet of atimodometer cooler 18 is connected with the E interface of four-way change-over valve 5, the import of the S interface access gas-liquid separator 3 of four-way change-over valve 5, the outlet of gas-liquid separator 3 is connected with the air entry 1.3 of compressor 1, the tube connector of the outlet of gas-liquid separator 3 and compressor 1 is provided with low pressure controller 16, increase enthalpy pressure controller 17 and low-pressure meter 14.
Wherein, the tube connector between the access gas outlet 2.3 of oil eliminator 2, one end and the D interface of four-way change-over valve 5 of skirt 26, other end access liquid air mixer 24, is provided with copper filter 7, the 4th check valve 23 and increases enthalpy bidirectional electromagnetic valve 6 on described skirt 26.
Described liquid injection valve liquid outlet 9.2 accesses compressor inlet, and liquid injection valve inlet 9.1 accesses the tube connector between the outlet of device for drying and filtering 8 and the import of liquid air mixer 24.
Referring to Fig. 4, described coil heat exchanger 20 has two and be arranged side by side in the bottom of storage bin 19.
Referring to Fig. 5-6, directly-heated type air source heat pump crude oil heating system during temperature lower (20 ℃ ~ 7 ℃), it has two air-source heat sinks, referring to Fig. 7, described coil heat exchanger 20 has four, be divided into upper and lower two groups, two groups of coil heat exchanger 20 interconnections are also arranged on the bottom of storage bin 19, and the difference of Fig. 5 and Fig. 1 is, Fig. 5 has two cover air-source heat sinks, heat respectively two groups of coil heat exchangers 20, when environment temperature is lower, guaranteed heating effect.
1, heat flow process: the level sensor 25 on storage bin 19 detects suitable liquid level, the high-temperature high-pressure refrigerant gas that the exhaust outlet 1.1 of compressor 1 is discharged enters the D interface of the four-way change-over valve 5 of dead electricity, by C interface, enter coil heat exchanger 20 condensations in storage bin 19, liberated heat is absorbed by the crude oil in storage bin 19, condensed high pressure refrigerant liquid is successively through the first check valve 11.1 of check valve group 11, reservoir 4, device for drying and filtering 8, liquid-sighting glass 9 enters expansion valve 10 reducing pressure by regulating flows, then through liquid air mixer 24 and the 4th check valve 11.4, entering atimodometer cooler 18 evaporates, the flow through heat of air of absorption, low-pressure gas after heat absorption is successively through the E interface of four-way change-over valve 5, S interface enters gas-liquid separator 3, finally suck compressor 1 and carry out compression cycle work.
2, hydrojet flow process: when the delivery temperature of compressor 1 reaches ceiling temperature, by hydrojet after liquid injection valve 9 throttlings, reduce the delivery temperature of compressor 1, guarantee the normal operation of compressor 1.
3, increase enthalpy flow process: increase enthalpy pressure controller 17 and suitable pressure detected, increase enthalpy bidirectional electromagnetic valve 6 and open, skirt 26 conductings, gas enters liquid air mixer 24, and constant flow tonifying Qi increases enthalpy.
4, defrost flow process: the D interface of the four-way change-over valve 5 that the high-temperature high-pressure refrigerant gas that the exhaust outlet 1.1 of compressor 1 is discharged enters electricly, by E interface, enter 18 condensations of atimodometer cooler, liberated heat melts the frosting on atimodometer cooler 18 surfaces, condensed high pressure refrigerant liquid is through the second check valve 11.2 of check valve group 11, reservoir 4, device for drying and filtering 8, liquid-sighting glass 9 enters expansion valve 10 reducing pressure by regulating flows, then the coil heat exchanger 20 entering in storage bin 19 through the 3rd check valve 11.3 of liquid air mixer 28 and check valve group 11 evaporates, absorb the interior heat of storage bin 19, low-pressure gas after heat absorption enters gas-liquid separator 3 through C interface and the S interface of four-way change-over valve 5, finally suck compressor 1 and carry out compression cycle work, until dry atimodometer cooler 18 surfaces.
Claims (5)
1. a directly-heated type air source heat pump crude oil heating system, comprise storage bin (19), it is characterized in that: described system comprises air-source heat sink and coil heat exchanger (20), described coil heat exchanger (20) is arranged on the bottom in storage bin (19), described air-source heater is connected with coil heat exchanger (20), described air-source heat sink comprises compressor (1), oil eliminator (2), gas-liquid separator (3), reservoir (4), four-way change-over valve (5), atimodometer cooler (18) and liquid air mixer (24), compressor (1) comprises exhaust outlet (1.1), compressor inlet (1.2), air entry (1.3) and oil return opening (1.4), oil eliminator (2) comprises oil-out (2.1), air inlet (2.2) and gas outlet (2.3), the oil return opening (1.4) of oil-out (2.1) the access compressor (1) of described oil eliminator (2), the air inlet (2.2) of exhaust outlet (1.1) the access oil eliminator (2) of compressor (1), the D interface of gas outlet (2.3) the access four-way change-over valve (5) of oil eliminator (2), the tracheae of the C interface access coil heat exchanger (20) of four-way change-over valve (5), the import of the liquid pipe access reservoir (4) of coil heat exchanger (20), the import of the outlet access liquid air mixer (24) of reservoir (4), on the tube connector of the import of the outlet of reservoir (4) and liquid air mixer (24), be provided with expansion valve (10), the import of the outlet access atimodometer cooler (18) of liquid air mixer (24), the E interface of the outlet access four-way change-over valve (5) of atimodometer cooler (18), the import of the S interface access gas-liquid separator (3) of four-way change-over valve (5), the air entry (1.3) of the outlet access compressor 1 of gas-liquid separator (3).
2. a kind of directly-heated type air source heat pump crude oil heating system according to claim 1, it is characterized in that: described system also comprises skirt (26), tube connector between gas outlet (2.3) and the D interface of four-way change-over valve (5) of one end access oil eliminator (2) of described skirt (26), other end access liquid air mixer (24), is provided with copper filter (7), the 4th check valve (23) and increases enthalpy bidirectional electromagnetic valve (6) on described skirt (26).
3. a kind of directly-heated type air source heat pump crude oil heating system according to claim 1 and 2, it is characterized in that: described system also comprises liquid injection valve (9), liquid injection valve (9) comprises liquid injection valve inlet (9.1) and liquid injection valve liquid outlet (9.2), described liquid injection valve liquid outlet (9.2) access compressor inlet (1.2), the tube connector between outlet and the import of liquid air mixer (24) of liquid injection valve inlet (9.1) access reservoir (4).
4. a kind of directly-heated type air source heat pump crude oil heating system according to claim 1, is characterized in that: when environment temperature is greater than 7 ℃, coil heat exchanger (20) has two and be arranged side by side in the bottom of storage bin (19).
5. a kind of directly-heated type air source heat pump crude oil heating system according to claim 1, it is characterized in that: environment temperature is greater than-20 ℃ while being less than 7 ℃, coil heat exchanger (20) has four, be divided into upper and lower two groups, two groups of coil heat exchanger (20) interconnections are also arranged in storage bin (19), described air-source heat sink has two, and two air-source heat sinks are connected with two groups of coil heat exchangers (20) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310737487.7A CN103727663B (en) | 2013-12-30 | 2013-12-30 | Directly-heated type air source heat pump crude oil heating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310737487.7A CN103727663B (en) | 2013-12-30 | 2013-12-30 | Directly-heated type air source heat pump crude oil heating system |
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| Publication Number | Publication Date |
|---|---|
| CN103727663A true CN103727663A (en) | 2014-04-16 |
| CN103727663B CN103727663B (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310737487.7A Expired - Fee Related CN103727663B (en) | 2013-12-30 | 2013-12-30 | Directly-heated type air source heat pump crude oil heating system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157086A (en) * | 2015-09-24 | 2015-12-16 | 无锡同方人工环境有限公司 | Heating strengthening type heat supply air source heat pump system for heating radiator |
| CN113985934A (en) * | 2021-12-27 | 2022-01-28 | 四川诚邦浩然测控技术有限公司 | High and low temperature process temperature control system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2258970Y (en) * | 1996-08-29 | 1997-08-06 | 盘锦市润发石油设备有限责任公司 | Directly-heated gas petroleum heater |
| CN203671908U (en) * | 2013-12-30 | 2014-06-25 | 唐福良 | Directly-heated type air source heat pump crude oil heating system |
-
2013
- 2013-12-30 CN CN201310737487.7A patent/CN103727663B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2258970Y (en) * | 1996-08-29 | 1997-08-06 | 盘锦市润发石油设备有限责任公司 | Directly-heated gas petroleum heater |
| CN203671908U (en) * | 2013-12-30 | 2014-06-25 | 唐福良 | Directly-heated type air source heat pump crude oil heating system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157086A (en) * | 2015-09-24 | 2015-12-16 | 无锡同方人工环境有限公司 | Heating strengthening type heat supply air source heat pump system for heating radiator |
| CN113985934A (en) * | 2021-12-27 | 2022-01-28 | 四川诚邦浩然测控技术有限公司 | High and low temperature process temperature control system |
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| Publication number | Publication date |
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| CN103727663B (en) | 2016-02-03 |
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Granted publication date: 20160203 Termination date: 20181230 |
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