CN205823356U - A kind of closed cycle TRT - Google Patents

A kind of closed cycle TRT Download PDF

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Publication number
CN205823356U
CN205823356U CN201620630148.8U CN201620630148U CN205823356U CN 205823356 U CN205823356 U CN 205823356U CN 201620630148 U CN201620630148 U CN 201620630148U CN 205823356 U CN205823356 U CN 205823356U
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CN
China
Prior art keywords
claw
decompressor
rotor
gas
lobe pump
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Withdrawn - After Issue
Application number
CN201620630148.8U
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Chinese (zh)
Inventor
强仕林
苏可心
王君
孙运景
王威
王韵博
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China University of Petroleum East China
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China University of Petroleum East China
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Priority to CN201620630148.8U priority Critical patent/CN205823356U/en
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Publication of CN205823356U publication Critical patent/CN205823356U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The open a kind of enclosed power generation cycle device of this utility model, including heat exchanger (1), gas-liquid separator (2), regulation valve I (3), lobe pump (4), claw decompressor (5), electromotor (6), condensation blender (7) and regulation valve II (8);Power generation operation circulation includes: working medium expansion process in claw decompressor (5), the condensation in condensation blender (7) and mixed process, the pressurization in lobe pump (4), the endothermic process in heat exchanger (1);Lobe pump (4) and claw decompressor (5) are coaxially connected, and each group claw expansion machine rotor all uses the most smooth claw-type rotor profile, its carrier phase shift 90 degree.Therefore TRT has the advantage that compact conformation, smooth running, reliability are high, rotating speed is high, Applicable temperature scope is big.

Description

A kind of closed cycle TRT
Technical field
This utility model relates to a kind of utilizing heat energy to carry out the engine power generation circulating device generated electricity, and particularly relates to one Use claw decompressor and the closed cycle TRT of lobe pump.
Background technology
The power generation cycle being currently used for heat generating mainly has steam turbine power generation circulation and Stirling power generation cycle;Steam turbine fills Put huge, be suitable for Electricity Generation;Stirling power generation cycle is used for the occasion that heat source temperature is higher.Applied field due to heat generating Close more and more, in order to utilize the thermal source of different temperatures to carry out heat generating, such as: utilize geothermal energy to carry out heat generating, to Novel hot The demand of engine power generation circulating device is more urgent, is therefore developed for the new work engine TRT tool of heat generating There is important meaning.
Chinese patent, publication No. CN102926826A, disclose a kind of claw engine power generation circulation for heat generating Device, its power generation process includes: gas expansion process in claw decompressor, the isobaric exothermic process in regenerator, Isobaric exothermic process in cooler, the compression process in claw compressor, the isobaric heat absorption process in regenerator, adding Isobaric heat absorption process in hot device;The feature of this device: (1) generating working medium is gas, without phase transformation in power generation cycle, it is adaptable to The application scenario that heat source temperature is higher, such as: solar energy high temperature heat generates electricity;(2) two-stage claw decompressor and two-stage claw pressure are used Contracting machine, its compression ratio is high, but is not carried out the air inlet of claw decompressor at any time all in open mode, does not make Obtaining claw decompressor has continuous print merit to export within the whole cycle, and its output work is uneven.
Utility model content
The utility model proposes a kind of closed cycle TRT, including heat exchanger (1), gas-liquid separator (2), regulation valve I (3), lobe pump (4), claw decompressor (5), electromotor (6), condensation blender (7) and regulation valve II (8);Its work process It is: ammonia, after lobe pump (4) supercharging, enters heat exchanger (1) heat absorption, and the ammonia after heat absorption produces gaseous ammonia and water vapour, then Entering gas-liquid separator (2) and carry out gas-liquid separation, isolated liquid enters condensation blender (7), isolated gaseous ammonia and The mixed gas of water vapour enters claw decompressor (5) and carries out expanding external work done, and the gas after expansion is also into condensation mixing Device (7), in condensation blender (7), gas and liquid mix, and are cooled simultaneously, are condensed into liquid ammonia, then by Roots After pump (4) supercharging, enter heat absorption in heat exchanger (1), complete one action circulation;By regulation valve I (3) and regulation valve II (8) Control the pressure in gas-liquid separator (2) and condensation blender (7).This device can be used for the heat generating occasion of middle low temperature.
This utility model adopts the following technical scheme that
A kind of closed cycle TRT, claw decompressor (5) is arranged in parallel four groups of identical intermeshing claw and turns Son, the carrier phase shift between four groups of claw rotors 90 degree, it is ensured that any time has at the air inlet of one group of claw rotor all the time In open mode so that claw decompressor (5) has continuous print merit to export within the whole cycle so that claw decompressor (5) is transported Turn moment steady, output uniform;The air inlet of four groups of claw rotors and the position of air vent are arranged symmetrically with so that each group Axial gas forces suffered by claw rotor mutually balances;Four groups of claw rotors of claw decompressor (5) and the Roots of lobe pump (4) Rotor be connected on same countershaft on, a pair synchromesh gear of this countershaft connection (203), it is achieved all claw rotors and roots rotors Between correct engagement;The main shaft of electromotor (6) is connected in the axle at claw decompressor (5) air inlet side claw rotor place On;Work is driven lobe pump (4) and electromotor (6) operating by claw decompressor (5), generates electricity.
A kind of closed cycle TRT, the claw rotor of claw decompressor (5) all uses the most smooth claw rotor type Line, can improve the stress of claw rotor, reduces its deformation;Lobe pump (4) uses SANYE roots rotor to be used for fluid pressurization, During making fluid pressurization, moment of resistance change is uniformly;Improve claw decompressor (5) and the reliability of lobe pump (4).
The beneficial effects of the utility model are:
1. claw decompressor (5) and lobe pump (4) coaxially being connected with electromotor (6), whole TRT has structure Compact, smooth running and the advantage of decompressor dry type oil-free.
2. claw decompressor (5) uses and is arranged in parallel four groups of identical intermeshing claw rotors, four groups of claw rotors Between carrier phase shift 90 degree, it is ensured that during work, at least the air inlet of one group of claw rotor is in open mode so that pawl Formula decompressor (5) has continuous print merit to export within the whole cycle so that claw decompressor (5) smooth running, the moment of output Uniformly, the rotatory inertia dynamic balance of the most beneficially axle system rotor;The air inlet of four groups of claw rotors of claw decompressor (5) and Air vent position is arranged symmetrically with so that respectively organizes the axial gas forces suffered by claw rotor and mutually balances.
3. the claw rotor of claw decompressor (5) all uses the most smooth claw-type rotor profile, improves claw rotor Stress, reduces its deformation, improves the reliability of claw decompressor (5).
4. using claw decompressor (5), the expansion process thermal efficiency is high;Ammonia is used to have as cycle fluid, work process Phase transformation, little by lobe pump (4) supercharging power consumption, generating efficiency is high.
5. blood circulation uses closed cycle, and equipment is the most perishable, and service life is long.
6. cycle fluid uses ammonia water mixture, can change its boiling point by the ratio adjusting ammonia and water, it is adaptable to no The heat energy power-generating of synthermal scope.
Accompanying drawing explanation
Fig. 1 is a kind of closed cycle TRT schematic diagram.
Fig. 2 is engine structure schematic diagram.
Fig. 3 is the rotor porting schematic diagram of claw decompressor and lobe pump.
Fig. 4 is the Section A-A schematic diagram of claw decompressor.
Fig. 5 is the section B-B schematic diagram of claw decompressor.
Fig. 6 is the C-C schematic cross-section of claw decompressor.
Fig. 7 is the D-D schematic cross-section of claw decompressor.
Fig. 8 is the E-E schematic cross-section of lobe pump.
In figure: 1 heat exchanger;2 gas-liquid separators;3 regulation valves I;4 lobe pumps;5 claw decompressors;6 Motor;7 condensation blenders;8 regulation valves II;201 shaft couplings;202 bearings;203 synchromesh gears;204 first Group claw rotor;205 second groups of claw rotors;206 the 3rd groups of claw rotors;207 the 4th groups of claw rotors;301— The air inlet of first group of claw rotor;The air inlet of 302 second groups of claw rotors;The air inlet of 303 the 3rd groups of claw rotors Mouthful;The air inlet of 304 the 4th groups of claw rotors;The entrance of 305 lobe pumps;The air vent of 306 first groups of claw rotors; The air vent of 307 second groups of claw rotors;The air vent of 308 the 3rd groups of claw rotors;309 the 4th groups of claw rotors Air vent;310 Roots's delivery side of pump.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further illustrated.
A kind of closed cycle TRT schematic diagram as shown in Figure 1, TRT includes heat exchanger (1), gas-liquid separation Device (2), regulation valve I (3), lobe pump (4), claw decompressor (5), electromotor (6), condensation blender (7) and regulation valve II (8);Its power generation cycle process is: using ammonia as cycle fluid, ammonia, after lobe pump (4) supercharging, enters heat exchanger (1) Heat absorption, the ammonia after heat absorption produces gaseous ammonia and water vapour, enters back into gas-liquid separator (2) and carry out gas-liquid separation, isolated Liquid enters condensation blender (7), and the mixed gas of isolated gaseous ammonia and water vapour enters claw decompressor (5) and carries out swollen Swollen external work done, the gas after expansion is also into condensation blender (7), and in condensation blender (7), gas and liquid mix Close, be cooled simultaneously, be condensed into liquid ammonia, then by lobe pump (4) supercharging after, enter heat absorption in heat exchanger (1), complete once Cycle of operation;The pressure in gas-liquid separator (2) and condensation blender (7) is controlled by regulation valve I (3) and regulation valve II (8).
Engine structure schematic diagram as shown in Figure 2, including shaft coupling (201), bearing (202), synchromesh gear (203), Claw decompressor (5), lobe pump (4);Claw decompressor (5) includes that be arranged in parallel four groups of identical intermeshing claw turn Son, respectively first group claw rotor (204), second group of claw rotor (205), the 3rd group of claw rotor (206), the 4th group of pawl Formula rotor (207);Claw decompressor (5) is coaxially connected with lobe pump (4), realizes all under the drive of synchromesh gear (203) Correct engagement between claw rotor and roots rotor;Shaft coupling (201) is connected the pawl of claw decompressor (5) air inlet side On the axle at formula rotor place, shaft coupling (201) connects electromotor (6).
Claw decompressor as shown in Figure 3 and the rotor porting schematic diagram of lobe pump, including first group of claw rotor Air inlet (301), the air inlet (302) of second group of claw rotor, the air inlet (303) of the 3rd group of claw rotor, the 4th group The air inlet (304) of claw rotor, the entrance (305) of lobe pump;The air vent (306) of first group of claw rotor, second group of pawl The air vent (307) of formula rotor, the air vent (308) of the 3rd group of claw rotor, the air vent (309) of the 4th group of claw rotor, Roots's delivery side of pump (310);Wherein the air inlet of claw rotor and the position of air vent are arranged symmetrically with so that respectively organize claw Axial gas forces suffered by rotor mutually balances.
The Section A-A schematic diagram of claw decompressor as shown in Figure 4, claw rotor uses the rotor of complete smooth correct engagement Molded line, it is illustrated that position rotor is in air vent will open mode.
The section B-B schematic diagram of claw decompressor as shown in Figure 5, the phase angle of claw rotor and the phase angle in Fig. 4 Differ 90 degree.
The C-C schematic cross-section of claw decompressor as shown in Figure 6, the phase angle of claw rotor and the phase angle in Fig. 5 Differ 90 degree.
The D-D schematic cross-section of claw decompressor as shown in Figure 7, the phase angle of claw rotor and the phase angle in Fig. 6 Differ 90 degree.
The E-E schematic cross-section of lobe pump as shown in Figure 8, lobe pump (4) uses SANYE roots rotor to increase for liquid Pressure.
Although detailed description of the invention of the present utility model is described by the above-mentioned accompanying drawing that combines, but not new to this practicality The restriction of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability Field technique personnel need not to pay various amendments or deformation that creative work can make still at protection model of the present utility model Within enclosing.

Claims (2)

1. a closed cycle TRT, including heat exchanger (1), gas-liquid separator (2), regulation valve I (3), lobe pump (4), Claw decompressor (5), electromotor (6), condensation blender (7) and regulation valve II (8);It is characterized in that: use ammonia as circulation Working medium, ammonia, after lobe pump (4) supercharging, enters heat exchanger (1) heat absorption, and the ammonia after heat absorption produces gaseous ammonia and water vapour, Entering back into gas-liquid separator (2) and carry out gas-liquid separation, isolated liquid enters condensation blender (7), isolated gaseous ammonia Entering claw decompressor (5) with the mixed gas of water vapour to carry out expanding external work done, the gas after expansion is mixed also into condensation Clutch (7), in condensation blender (7), gas and liquid mix, and are cooled simultaneously, are condensed into liquid ammonia, then by sieve After thatch pump (4) supercharging, enter heat absorption in heat exchanger (1), complete one action circulation;By regulation valve I (3) and regulation valve II (8) pressure in gas-liquid separator (2) and condensation blender (7) is controlled;Claw decompressor (5) is arranged in parallel four groups of identical phases The claw rotor of engagement, the carrier phase shift between four groups of claw rotors 90 degree, it is ensured that any time has one group of claw all the time mutually The air inlet of rotor is in open mode so that claw decompressor (5) has continuous print energy to export within the whole cycle so that Claw decompressor (5) smooth running, output moment uniform;The air inlet of four groups of claw rotors and the position pair of air vent Claim to arrange so that respectively organize the axial gas forces suffered by claw rotor and mutually balance;Four groups of claw rotors of claw decompressor (5) and The roots rotor of lobe pump (4) be connected on same countershaft on, a pair synchromesh gear of this countershaft connection (203), it is achieved all pawls Correct engagement between formula rotor and roots rotor;The main shaft of electromotor (6) is connected in claw decompressor (5) air inlet side pawl On the axle at formula rotor place;Work is driven lobe pump (4) and electromotor (6) operating by claw decompressor (5), generates electricity.
A kind of closed cycle TRT the most according to claim 1, is characterized in that: the claw of claw decompressor (5) turns Son all uses the most smooth claw-type rotor profile, can improve the stress of claw rotor, reduces its deformation;Lobe pump (4) is adopted With SANYE roots rotor for fluid pressurization so that during fluid pressurization, moment of resistance change is uniformly;Improve claw decompressor And the reliability of lobe pump (4) (5).
CN201620630148.8U 2016-06-23 2016-06-23 A kind of closed cycle TRT Withdrawn - After Issue CN205823356U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Publication Number Publication Date
CN205823356U true CN205823356U (en) 2016-12-21

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105888757A (en) * 2016-06-23 2016-08-24 中国石油大学(华东) Closed circulating power generation device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105888757A (en) * 2016-06-23 2016-08-24 中国石油大学(华东) Closed circulating power generation device

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