CN109239126A - A kind of duct type multifunctional gas heat exchanger test device - Google Patents
A kind of duct type multifunctional gas heat exchanger test device Download PDFInfo
- Publication number
- CN109239126A CN109239126A CN201811169761.4A CN201811169761A CN109239126A CN 109239126 A CN109239126 A CN 109239126A CN 201811169761 A CN201811169761 A CN 201811169761A CN 109239126 A CN109239126 A CN 109239126A
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- 238000012360 testing method Methods 0.000 title claims abstract description 116
- 230000004087 circulation Effects 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 7
- 230000001154 acute effect Effects 0.000 claims description 4
- 239000003381 stabilizer Substances 0.000 claims description 3
- 238000011056 performance test Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 120
- 239000012530 fluid Substances 0.000 description 12
- 238000005259 measurement Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
Abstract
A kind of duct type multifunctional gas heat exchanger test device, the gas circulatory flow including the setting of even number annular, gas circulatory flow form a runner mould group two-by-two；The gas circulatory flow is equipped with straight channel section and arced flow path section, and two straight channel sections in same runner mould group are mutually juxtaposed setting, and each straight channel section in different runner mould groups intersects in same level；The test mouth for placing heat exchanger is provided in the straight channel section.The present invention can carry out the tests such as heat exchange property test, resistance performance test to downflow type gas heat exchanger, counterflow gas heat exchanger and cross-current type gas heat exchanger etc., have the characteristics that simple and reasonable, vdiverse in function, energy-efficient, versatility and practical.
Description
Technical field
The present invention relates to a kind of heat exchanger test device, in particular to a kind of duct type multifunctional gas heat exchanger test dress
It sets.
Background technique
Heat exchanger is use energy equipment, energy conversion and energy transportation equipment important in modern industry, numerous
It is played an important role in industrial circle, and gas-to-gas heat exchanger is type that is therein important and being widely used, in HVAC sky
The industrial circles such as tune, exhaust-gas treatment, waste heat recycling play an indispensable role, however are generally required in industry according to real need
The structure and area for seeking heat exchanging device carry out particular build, it is therefore desirable to test the thermal performance of the heat exchanger of building.
Existing gas heat exchanger test device has the disadvantage that structure is complicated, has a single function, experimentation energy waste is tighter
Weight.Therefore, how to construct a structure it is simple, efficiently, space hold it is small and it is energy-efficient can be to the heat of multiple types heat exchanger
The comprehensive test device meaning that power performance is tested is important, while being the major issue that those skilled in the art need to solve.
Chinese patent literature CN105593663A discloses a kind of heat exchanger test device on May 18th, 2016, and
It specifically discloses: including: test heat exchanger, the test heat exchanger, which has, to be configured to receive the fluid from the heat exchanger
First entrance；For the fluid to the first outlet of the heat exchanger；It is configured to receive the second entrance of recirculated fluid；With
And the second outlet for the recirculated fluid, the second outlet and the second entrance constitute recirculation circuit, and
The recirculated fluid and the fluid from the heat exchanger are fluid isolations；In the recirculation circuit with it is described
The pump that test heat exchanger is connected；The heater being connected in the recirculation circuit with the test heat exchanger, it is described to add
Hot device is configured to heat the recirculated fluid to adjust the condition in the test heat exchanger；And chock, wherein the survey
Examination heat exchanger, the pump and the heater are arranged on the chock；The test heat exchanger includes shell, at least one pipe exists
In the shell；The flowing at least one pipe described in the test heat exchanger of the fluid of the heat exchanger, and institute
Recirculated fluid is stated in the outer flowing of at least one pipe；The recirculated fluid is at least one described in the test heat exchanger
Flowing in a pipe, and at least one pipe described in the test heat exchanger of the fluid from the heat exchanger outflows
It is dynamic.That there are above structures is complicated for the test device, has a single function, the problems such as experimentation energy waste is more serious, it is therefore desirable to
It is further improved.
Summary of the invention
The purpose of the present invention is intended to provide simple and reasonable, vdiverse in function, the energy-efficient, versatility of one kind and practicability
Strong duct type multifunctional gas heat exchanger test device, to overcome shortcoming in the prior art.
A kind of duct type multifunctional gas heat exchanger test device designed by this purpose, it is characterised in that: including even number
The gas circulatory flow of a annular setting, gas circulatory flow form a runner mould group two-by-two；It is set on the gas circulatory flow
There are straight channel section and arced flow path section, two straight channel sections in same runner mould group are mutually juxtaposed setting, in different runner mould groups
Each straight channel section intersect in same level；The test mouth for placing heat exchanger is provided in the straight channel section.
Homogenizing plate, flow are disposed with along gas flow direction as starting point to test mouth on the gas circulatory flow
Meter, air-introduced machine, surface air cooler, humidifier and heating rod.
The fresh wind port of gas circulatory flow inner cavity, fresh wind port and place gas where being equipped with connection on the inside of the arced flow path section
There is acute angle a in body circulation runner between the flow direction of gas, fresh wind port is between air-introduced machine and surface air cooler.
It is provided with several thermometers and micromanometer on the gas circulatory flow, between homogenizing plate and flowmeter, fresh air
The thermometer and micromanometer are respectively arranged between mouth and surface air cooler and between heating rod and test mouth.
It is connected with each other between the straight channel section and arced flow path section by telescopic hose, makes the size for testing mouth can
It adjusts, testing opening and closing on mouth has flapper.
The test mouth intercepts in the middle part of straight channel section, so that straight channel section is divided into two sections, the interception end in straight channel section has
The test port being connect with test mouth.
The test mouth needs to connect and match with corresponding test port in more than two gas circulatory flows according to test
It closes and uses.
Further include the adjustable support for being set to bottom, the adjustable support arcuately arrange by flow channel section, and with crossbeam without
Stabilizer blade form is supported straight channel section.
The gas circulatory flow includes respectively in the first gas circulatory flow of semicircular ring setting, second gas recycle stream
Road, third gas circulatory flow and the 4th gas circulatory flow；First gas circulatory flow and second gas circulatory flow are mutually not
It is connected to and collectively forms the first circular flow channel mould group；Third gas circulatory flow is not connected to mutually and is total to the 4th gas circulatory flow
With the second circular flow channel mould group is constituted, the first circular flow channel mould group is located above the second circular flow channel mould group.
Straight channel section in the first circular flow channel mould group is with the straight channel section in the second circular flow channel mould group same
It is in cross on horizontal plane.
The present invention overcomes structure is complicated existing for existing general gas heat exchanger test device, have a single function and
The more serious equal some problems of experimentation energy waste.Compared with prior art, this duct type multifunctional gas heat exchanger is tested
Device can carry out heat exchange property survey to downflow type gas heat exchanger, counterflow gas heat exchanger and cross-current type gas heat exchanger etc.
The tests such as examination, resistance performance test.The invention has the following beneficial effects: 1. overall structure advantages of simple, surveys so effectively simplifying
Overall structure is set in trial assembly, so when space hold it is small；2. in each gas circulatory flow, air carries out at state by adjustment equipment
Reason and test heat exchanger heat exchange after, remain in gas circulatory flow and be recycled, due to air passed through equipment into
Row status adjustment, air condition can effectively save the time of air-treatment and be consumed close to test preset requirement
The energy, achieve the effect that energy-saving and emission-reduction and energy-efficient；3. can the thermal performance to multiple types heat exchanger to carry out test real
It tests, test function scalability, versatility and practical.
Detailed description of the invention
Fig. 1 is the overall top view of duct type multifunctional gas heat exchanger test device in one embodiment of the invention；
Fig. 2 is that duct type multifunctional gas heat exchanger test device carries out down-stream heat exchanger test in one embodiment of the invention
The top view of circulation；
Fig. 3 is that duct type multifunctional gas heat exchanger test device carries out contra-flow heat exchanger test in one embodiment of the invention
The top view of circulation；
Fig. 4 is that duct type multifunctional gas heat exchanger test device carries out the test of cross-flow heat exchanger in one embodiment of the invention
The top view of circulation；
Fig. 5 is the main view of duct type multifunctional gas heat exchanger test device in one embodiment of the invention.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and embodiments.
Referring to Fig. 1-Fig. 5, this duct type multifunctional gas heat exchanger test device, the gas including the setting of even number annular
Circulatory flow, gas circulatory flow form a runner mould group two-by-two；Specifically,.Gas circulatory flow is equipped with straight channel section 112
With arced flow path section 111, two straight channel sections 112 in same runner mould group are mutually juxtaposed setting, each in different runner mould groups
Straight channel section 112 intersects in same level；The test mouth 11 for placing heat exchanger is provided in straight channel section 112.Tool
Body is, gas circulatory flow includes respectively in the first gas circulatory flow 1 of semicircular ring setting, second gas circulatory flow 2, the
Three gas circulatory flows 3 and the 4th gas circulatory flow 4；First gas circulatory flow 1 does not connect mutually with second gas circulatory flow 2
Lead to and collectively forms the first circular flow channel mould group；Third gas circulatory flow 3 is not mutually connected to and is total to the 4th gas circulatory flow 4
With the second circular flow channel mould group is constituted, the first circular flow channel mould group is located above the second circular flow channel mould group；Four gas circulations
Runner can be used in conjunction with each other two-by-two；In straight channel section 112 and the second circular flow channel mould group in first circular flow channel mould group
Straight channel section 112 in same level be in cross.By being used in conjunction with each other two-by-two to four gas circulatory flows,
Make duct type multifunctional gas heat exchanger test device can be to downflow type gas heat exchanger, counterflow gas heat exchanger and cross-flow
Formula gas heat exchanger etc. carries out the tests such as heat exchange property test, resistance performance test.
Homogenizing plate 12, flowmeter are disposed with along gas flow direction on gas circulatory flow to test mouth 11 as starting point
14, air-introduced machine 16, surface air cooler 18, humidifier 19 and heating rod 110.
The fresh wind port 17 of gas circulatory flow inner cavity, fresh wind port 17 and institute where being equipped with connection on the inside of arced flow path section 111
There is acute angle a in gas circulatory flow between the flow direction of gas, acute angle a is with 15o-60oIt is advisable；Fresh wind port 17 is located at air inducing
Between machine 16 and surface air cooler 18.Air where the setting of fresh wind port 17 can supplement in gas circulatory flow, to eliminate place gas
The body circulation runner pipe internal and external pressure difference to be formed since air flows.
Several thermometers (not indicating in figure) and micromanometer 13, homogenizing plate 12 and flow are provided on gas circulatory flow
Thermometer and micro- is respectively arranged between meter 14, between fresh wind port 17 and surface air cooler 18 and between heating rod 110 and test mouth 11
Pressure gauge 13.
It is connected with each other between straight channel section 112 and arced flow path section 111 by telescopic hose 15, makes to test mouth 11
Adjustable, to meet different testing requirements, the adjustable extent of test 11 size of mouth is advisable with 0-3m；It is opened on test mouth 11
Flapper (not indicating in figure) is closed, to close heat exchanger to be tested in test mouth 11, while by not used test
Mouth 11 is closed.
It tests mouth 11 to intercept in 112 middle part of straight channel section, so that straight channel section 112 is divided into two sections, blocking in straight channel section 112
Cutting end has the test port 115 connecting with test mouth 11.
Test mouth 11 needs to connect and match with corresponding test port 115 in more than two gas circulatory flows according to test
It closes and uses, measuring system carries out start-up and shut-down control to the equipment on four gas circulatory flows automatically by electric-control system.
Further include the adjustable support 5 for being set to bottom, duct type multifunctional gas heat exchanger is made by adjustable support 5
The whole height of test device is adjustable；The adjustable support 5 arcuately arrange by flow channel section 111, and in the form of crossbeam is without stabilizer blade pair
Straight channel section 112 is supported, and using and adjusting in favor of heat exchanger test mouth 11, the height of adjustable support 5 can be flexible
It adjusts；The height adjustable extent of adjustable support 5 is advisable with 1-2.5m.
Test philosophy
According to testing requirement, measuring system automatically opens the equipment on four gas circulatory flows by electric-control system
Stop controlling, and closed test mouth 11 and the not used test mouth 11 of closing needed for constructing by flapper, thus be into
Row downflow type gas heat exchanger, counterflow gas heat exchanger and the test of cross-current type gas heat exchanger heat exchange property, resistance performance
Test is ready:
Downflow type gas heat exchanger circulation: referring to fig. 2, there is the identical gas in two bursts of flow directions in downflow type gas heat exchanger
Body exchanges heat, and when testing the heat exchanger, selects by first gas circulatory flow 1 and 2 groups of second gas circulatory flow
At the first circular flow channel mould group tested；Downflow type gas heat exchanger is installed into first gas circulatory flow 1 and second
In the test mouth 11 of gas circulatory flow 2, while using flapper to third gas circulatory flow 3 and the 4th gas recycle stream
The test mouth 11 in road 4 is closed, and the instrument of two gas circulatory flows in the first circular flow channel mould group is regulated and controled according to test condition
Device and equipment, air enter first gas circulatory flow 1 and second gas circulatory flow 2 from corresponding fresh wind port 17 respectively, and
Air mass flow is adjusted by air-introduced machine 16, air is carried out after entering corresponding gas circulatory flow by thermometer and micromanometer 13
Temperature, humidity and pressure parameter collecting, and by the calculating and feedback control order of automatic control system, via surface air cooler 18,
The temperature and humidity of air, is adjusted to the state of test macro preset requirement by humidifier 19 and heating rod 110；Then, it surveys
Try 11 entrance of mouth thermometer and micromanometer 13 carry out air themperature, humidity and pressure state acquisition, subsequent air into
Enter to be mounted on the downflow type gas heat exchanger in test mouth 11 to exchange heat, the air after heat exchange, which enters current equalizer 12, to carry out sufficiently
Mixing, and temperature, humidity and pressure parameter collecting after being exchanged heat by thermometer and micromanometer 13, last air flow through
Flowmeter 14 carry out air-flow measurement, by pressure sensor measure downflow type gas heat exchanger resistance performance, by with
Lower formula determines heat exchange amount Q:
Q=Cp,amaΔTa
Counterflow gas heat exchanger circulation: referring to Fig. 3, two plumes move contrary gas in counterflow gas heat exchanger
Body exchanges heat, and when testing the heat exchanger, third gas circulatory flow 3 and the 4th gas circulatory flow 4 is selected to carry out
Counterflow gas heat exchanger, is installed into the test mouth of third gas circulatory flow 3 and the 4th gas circulatory flow 4 by test first
In 11, while the test mouth 11 in first gas circulatory flow 1 and second gas circulatory flow 2 is sealed using flapper
It closes, the instrument and equipment of two test loop runners in the second circular flow channel mould group is regulated and controled according to test condition, according to downflow type
The air conditioning and measurement method of gas heat exchanger circulation, measurement obtain the air mass flow of cyclic process, heat exchanger resistance performance
And heat transfer property.
Cross-current type gas heat exchanger circulation: referring to fig. 4, two bursts of flow directions hand in cross-current type gas heat exchanger in cross
Wrong gas exchanges heat, and has the cooperation of following circulatory flow when testing the heat exchanger: 1. by first gas recycle stream
Test loop is set up in road 1 and the cooperation of third gas circulatory flow 3, or first gas circulatory flow 1 and the 4th gas are recycled
Test loop is set up in the cooperation of runner 4, or second gas circulatory flow 2 and the cooperation of third gas circulatory flow 3 are set up test
Circulation, or second gas circulatory flow 2 and the cooperation of the 4th gas circulatory flow 4 are set up into test loop；The present embodiment is with
The cooperation of one gas circulatory flow 1 and the 4th gas circulatory flow 4 is illustrated: being first installed into cross-current type gas heat exchanger
In the test mouth 11 of first gas circulatory flow 1 and the 4th gas circulatory flow 4, while second gas is followed using flapper
The test mouth 11 of circulation road 2 and third gas circulatory flow 3 is closed, and regulates and controls first gas circulatory flow according to test condition
1 and the 4th instrument and equipment in gas circulatory flow 4, air conditioning and measurement side according to downflow type gas heat exchanger circulation
Method, measurement obtain the air mass flow of cyclic process, heat exchanger resistance performance and heat transfer property.
Above-mentioned is preferred embodiment of the invention, and basic principles and main features and the present invention of the invention have been shown and described
The advantages of.Those skilled in the art should be recognized that the present invention is not limited to the above embodiments, above embodiments and description
Described in merely illustrate the principles of the invention, without departing from the spirit and scope of the present invention the present invention also have it is various
Changes and improvements, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by institute
Attached the spirit and scope of the invention define.
Claims (10)
1. a kind of duct type multifunctional gas heat exchanger test device, it is characterised in that: the gas including the setting of even number annular
Circulatory flow, gas circulatory flow form a runner mould group two-by-two；The gas circulatory flow be equipped with straight channel section (112) and
Arced flow path section (111), two straight channel sections (112) in same runner mould group are mutually juxtaposed setting, in different runner mould groups
Each straight channel section (112) is intersected in same level；The survey for placing heat exchanger is provided on the straight channel section (112)
It tries mouth (11).
2. duct type multifunctional gas heat exchanger test device according to claim 1, it is characterised in that: the gas circulation
Homogenizing plate (12), flowmeter (14), air-introduced machine are disposed with along gas flow direction on runner to test mouth (11) as starting point
(16), surface air cooler (18), humidifier (19) and heating rod (110).
3. duct type multifunctional gas heat exchanger test device according to claim 2, it is characterised in that: the arced flow path
The fresh wind port (17) of gas circulatory flow inner cavity where being equipped with connection on the inside of section (111), fresh wind port (17) and place gas recycle
There is acute angle a in runner between the flow direction of gas, fresh wind port (17) is located between air-introduced machine (16) and surface air cooler (18).
4. duct type multifunctional gas heat exchanger test device according to claim 3, it is characterised in that: the gas circulation
Several thermometers and micromanometer (13) are provided on runner, between homogenizing plate (12) and flowmeter (14), fresh wind port (17) with
The thermometer and micromanometer are respectively arranged between surface air cooler (18) and between heating rod (110) and test mouth (11)
(13)。
5. duct type multifunctional gas heat exchanger test device according to claim 4, it is characterised in that: the straight channel section
(112) it is connected with each other between arced flow path section (111) by telescopic hose (15), makes the size for testing mouth (11) can
It adjusts, opening and closing has flapper in test mouth (11).
6. duct type multifunctional gas heat exchanger test device according to claim 5, it is characterised in that: the test mouth
(11) it intercepts in the middle part of straight channel section (112), so that straight channel section (112) is divided into two sections, the interception end in straight channel section (112) has
The test port (115) being connect with test mouth (11).
7. duct type multifunctional gas heat exchanger test device according to claim 6, it is characterised in that: the test mouth
(11) it needs to connect and be used cooperatively with corresponding test port (115) in more than two gas circulatory flows according to test.
8. duct type multifunctional gas heat exchanger test device according to claim 7, it is characterised in that: further include being set to
The adjustable support (5) of bottom, the adjustable support (5) arcuately arrange by flow channel section (111), and in the form of crossbeam is without stabilizer blade pair
Straight channel section (112) is supported.
9. any one of -8 duct type multifunctional gas heat exchanger test device according to claim 1, it is characterised in that: described
Gas circulatory flow includes respectively in the first gas circulatory flow (1) of semicircular ring setting, second gas circulatory flow (2), the
Three gas circulatory flows (3) and the 4th gas circulatory flow (4)；First gas circulatory flow (1) and second gas circulatory flow
(2) it is not mutually connected to and collectively forms the first circular flow channel mould group；Third gas circulatory flow (3) and the 4th gas circulatory flow
(4) it is not mutually connected to and collectively forms the second circular flow channel mould group, the first circular flow channel mould group is located in the second circular flow channel mould group
Side.
10. duct type multifunctional gas heat exchanger test device according to claim 9, it is characterised in that: first circle
The straight channel section (112) in straight channel section (112) and the second circular flow channel mould group in shape runner mould group is in same level
In cross.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811169761.4A CN109239126A (en) | 2018-10-08 | 2018-10-08 | A kind of duct type multifunctional gas heat exchanger test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811169761.4A CN109239126A (en) | 2018-10-08 | 2018-10-08 | A kind of duct type multifunctional gas heat exchanger test device |
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| Publication Number | Publication Date |
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| CN109239126A true CN109239126A (en) | 2019-01-18 |
Family
ID=65054957
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| CN201811169761.4A Pending CN109239126A (en) | 2018-10-08 | 2018-10-08 | A kind of duct type multifunctional gas heat exchanger test device |
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-
2018
- 2018-10-08 CN CN201811169761.4A patent/CN109239126A/en active Pending
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