CN103727663B - Directly-heated type air source heat pump crude oil heating system - Google Patents
Directly-heated type air source heat pump crude oil heating system Download PDFInfo
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- CN103727663B CN103727663B CN201310737487.7A CN201310737487A CN103727663B CN 103727663 B CN103727663 B CN 103727663B CN 201310737487 A CN201310737487 A CN 201310737487A CN 103727663 B CN103727663 B CN 103727663B
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Abstract
The present invention relates to a kind of directly-heated type air source heat pump crude oil heating system.It comprises storage bin (19), air source heat absorption device and coil heat exchanger (20), described coil heat exchanger (20) is arranged in storage bin (19), described air-source heater is connected with coil heat exchanger (20), and described air source heat absorption device 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).A kind of directly-heated type air source heat pump of the present invention crude oil heating system, this heating system power consumption is little, and heat transfer efficiency is high and applied widely.
Description
Technical field
The present invention relates to a kind of crude oil heating system, the heating of dispersion crude oil in crude oil case extracted for scene and constant temperature.Belong to technical field of petroleum industry.
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 utilizes intermediate water to heat, and heat transfer efficiency is low, and high expansion water box easily freezes in the winter time, the normal operation of influential system; Heat pump type crude oil heater is a kind of heating means in crude oil concentrated processing refining process, cannot be applicable to heating and the constant temperature of the on-the-spot dispersion crude oil extracted.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, provide a kind of directly-heated type air source heat pump crude oil heating system, 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 absorption device 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 absorption device 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, the tube connector of the outlet of reservoir and the import of liquid air mixer is 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 gas outlet of one end access oil eliminator of described skirt and the D interface of four-way change-over valve, other end access liquid air mixer, described skirt is provided with copper filter, the 4th check valve and increases enthalpy bidirectional electromagnetic valve.
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 outlet of liquid injection valve inlet access reservoir 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 DEG C, coil heat exchanger has two and is 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 DEG C when being less than 7 DEG C, 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 absorption device has two, and two air source heat absorption device 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, coil heat exchanger is arranged on the bottom of storage bin, heat transfer efficiency is high.When environment temperature is higher, coil heat exchanger has one group to be arranged side by side, and when environment temperature is lower, coil heat exchanger has two groups and arranged in dislocation, ensure that the uniformity of the crude oil of lazy flow, low guide temp in heating, thermostatic process.
2, the present invention is compared with electric heating system, and annual operating cost reduces 75% ~ 80%.
3, the present invention is stable, and compared with air source heat pump heating in crude oil system, annual operating cost reduces 30% ~ 40%.
4, the present invention is not only applicable to the refining of crude oil concentrated processing, is also applicable to heating and the constant temperature of the on-the-spot dispersion crude oil extracted, has applicability widely.
Accompanying drawing explanation
Fig. 1 is a kind of directly-heated type of the present invention air source heat pump crude oil heating system 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 absorption device structural representation of the present invention.
Fig. 4 is the layout drawing of the coil heat exchanger in Fig. 1.
Fig. 5 is a kind of directly-heated type of the present invention air source heat pump crude oil heating system 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, first check valve 11.1, second check valve 11.2, 3rd check valve 11.3, 4th check valve 11.4, 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, second ball valve 22, 4th check valve 23, liquid air mixer 24, level sensor 25, skirt 26.
Detailed description of the invention
See 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 absorption device, storage bin 19 and coil heat exchanger 20, air source heat absorption device 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, tube connector between the exhaust outlet 1.1 of compressor 1 and the air inlet of oil eliminator 2 is provided with high pressure gauge 13 and dual pressure controller 15.
See Fig. 1-4, directly-heated type air source heat pump crude oil heating system during temperature higher (being greater than 7 DEG C), 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 (in Fig. 2 solid line) of coil heat exchanger 20, tube connector between the C interface of four-way change-over valve 5 and the tracheae of coil heat exchanger 20 is provided with the first ball valve 12, the liquid pipe (in Fig. 2 dotted line) of coil heat exchanger 20 is connected with the import of the first check valve 11.1 of check valve group 11, tube connector between the liquid pipe of coil heat exchanger 20 and the import of the first check valve 11.1 is 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, tube connector between the outlet of described device for drying and filtering 8 and the import of liquid air mixer 24 is provided with liquid-sighting glass 21 and expansion valve 10, 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 outlet of gas-liquid separator 3 and the tube connector of compressor 1 are provided with low pressure controller 16, increase enthalpy pressure controller 17 and low-pressure meter 14.
Wherein, the tube connector between the gas outlet 2.3 of one end access oil eliminator 2 of skirt 26 and the D interface of four-way change-over valve 5, other end access liquid air mixer 24, described skirt 26 is provided with copper filter 7, the 4th check valve 23 and increases enthalpy bidirectional electromagnetic valve 6.
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.
See Fig. 4, described coil heat exchanger 20 has two and is arranged side by side in the bottom of storage bin 19.
See Fig. 5-6, directly-heated type air source heat pump crude oil heating system time temperature lower (-20 DEG C ~ 7 DEG C), it has two air source heat absorption device, see Fig. 7, described coil heat exchanger 20 has four, be divided into upper and lower two groups, the interconnection of two groups of coil heat exchangers 20 is 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 absorption device, heat two groups of coil heat exchangers 20 respectively, when environment temperature is lower, ensure that 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 of exhaust outlet 1.1 discharge of compressor 1 enters the D interface of the four-way change-over valve 5 of dead electricity, coil heat exchanger 20 condensation in storage bin 19 is entered by C interface, 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 flow, then enter atimodometer cooler 18 through liquid air mixer 24 and the 4th check valve 11.4 to evaporate, absorb the heat flowing through air, 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 throttling, reduces the delivery temperature of compressor 1, guarantees 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 conducting, 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 electric, atimodometer cooler 18 condensation is entered by E interface, liberated heat melts the frosting on atimodometer cooler 18 surface, 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 flow, then the coil heat exchanger 20 entered in storage bin 19 through the 3rd check valve 11.3 of liquid air mixer 28 and check valve group 11 evaporates, absorb heat in storage bin 19, low-pressure gas after heat absorption enters gas-liquid separator 3 through the C interface of four-way change-over valve 5 and S interface, finally suck compressor 1 and carry out compression cycle work, until dry atimodometer cooler 18 surface.
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 absorption device 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 absorption device 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 the oil-out (2.1) access compressor (1) of described oil eliminator (2), the air inlet (2.2) of the exhaust outlet (1.1) access oil eliminator (2) of compressor (1), the D interface of the gas outlet (2.3) access four-way change-over valve (5) of oil eliminator (2), the tracheae of C interface access coil heat exchanger (20) of four-way change-over valve (5), the import of liquid pipe access reservoir (4) of coil heat exchanger (20), the import of outlet access liquid air mixer (24) of reservoir (4), the tube connector of the outlet of reservoir (4) and the import of liquid air mixer (24) is provided with expansion valve (10), the import of outlet access atimodometer cooler (18) of liquid air mixer (24), the E interface of outlet access four-way change-over valve (5) of atimodometer cooler (18), the import of S interface access gas-liquid separator (3) of four-way change-over valve (5), the air entry (1.3) of 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 the gas outlet (2.3) of one end access oil eliminator (2) of described skirt (26) and the D interface of four-way change-over valve (5), other end access liquid air mixer (24), described skirt (26) is provided with copper filter (7), the 4th check valve (23) and increases enthalpy bidirectional electromagnetic valve (6).
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 the outlet of liquid injection valve inlet (9.1) access reservoir (4) and the import of liquid air mixer (24).
4. a kind of directly-heated type air source heat pump crude oil heating system according to claim 1, it is characterized in that: when environment temperature is greater than 7 DEG C, coil heat exchanger (20) has two and is 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 DEG C when being less than 7 DEG C, 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 absorption device has two, and two air source heat absorption device 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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
|---|---|
| CN103727663A CN103727663A (en) | 2014-04-16 |
| CN103727663B true CN103727663B (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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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| 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 |
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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 |
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| CN103727663A (en) | 2014-04-16 |
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Granted publication date: 20160203 Termination date: 20181230 |