CN209101849U - A kind of compound evaporative heat-exchange device with composite frame structure - Google Patents
A kind of compound evaporative heat-exchange device with composite frame structure Download PDFInfo
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- CN209101849U CN209101849U CN201821746252.9U CN201821746252U CN209101849U CN 209101849 U CN209101849 U CN 209101849U CN 201821746252 U CN201821746252 U CN 201821746252U CN 209101849 U CN209101849 U CN 209101849U
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- frame
- framing
- coiled pipe
- group
- finned tube
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 30
- 239000002131 composite material Substances 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 99
- 239000007921 spray Substances 0.000 claims abstract description 75
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 54
- 239000010959 steel Substances 0.000 claims abstract description 54
- 238000009432 framing Methods 0.000 claims abstract description 53
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052742 iron Inorganic materials 0.000 claims abstract description 9
- 238000001704 evaporation Methods 0.000 claims description 17
- 230000008020 evaporation Effects 0.000 claims description 17
- 239000012530 fluid Substances 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 241000270295 Serpentes Species 0.000 claims description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 3
- 239000012809 cooling fluid Substances 0.000 claims 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract description 16
- 238000007747 plating Methods 0.000 abstract description 5
- 238000007654 immersion Methods 0.000 abstract 1
- 238000002955 isolation Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 230000003449 preventive effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000003912 environmental pollution Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 2
- 238000010025 steaming Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
A kind of compound evaporative heat-exchange device with composite frame structure, including heat exchanger assembly, axial flow blower and air intake grid, heat exchanger assembly is mounted in composite frame structure, group frame includes made of being welded respectively as fashioned iron for installing the finned tube framing of finned tube group, for installing the receipts water spray frame of spray equipment and water collection device, and the coiled pipe framing for installing coiled pipe group, finned tube framing, which is pressed on, to be received on water spray frame, the steel plate of finned tube framing bottom end and the steel plate fitting for receiving water spray frame top, water spray frame is received to be pressed on coiled pipe framing, it receives the steel plate of water spray frame bottom end and receives the steel plate fitting on water spray frame top, axial flow blower is pressed on the top of finned tube framing, coiled pipe framing is pressed on the top of air intake grid, it is bolted each frame set Dress up entirety, detachable group frame enables each frame to be individually transported through after isolation and the processing of tin plating immersion in liquid preventives.
Description
Technical field
The utility model relates to evaporation and heat-exchange apparatus field more particularly to a kind of compound steamings with composite frame structure
Hairdo heat exchange equipment.
Background technique
Compound evaporative heat-exchange device is that pipe heat exchanger is placed in tower, passes through the air of circulation, shower water and height
Heat exchange between warm fluid guarantees the heat exchange equipment of cooling effect, usually by axial flow blower, finned tube group, water collection device, spray
Successively assembling is constituted from the top down for shower device, snakelike heat exchange tube group and air intake grid, and high temperature fluid first flows into finned tube at work
Group is pre-chilled, and then flows into the snakelike heat exchange tube group below finned tube group again, be located at finned tube group and snakelike heat exchange tube group it
Between spray equipment spray water shower water is made to contact and evaporate with snakelike heat exchange tube group downwards, thus to the stream in snakelike heat exchange tube group
Body is cooled down, while being located at the axial flow blower starting above finned tube group, makes outside air under snakelike heat exchange tube group
The air intake grid of side, which flows into and up, flows to axial flow blower, drives spray water evaporation to generate by the process of air flows upwards
Vapor flows up, to accelerate the speed and improving heat exchanging efficiency of spray water evaporation, vapor is travelled up to positioned at axis
Water collection device between flow fan and spray equipment drops to downwards snakelike heat exchange tube group after condensing part vapor again, from
And shower water is set to be recycled to improve the utilization rate of shower water.
Existing compound evaporative heat-exchange device has integral frame made of a fashioned iron welding, and each component is pacified
To form compound evaporative heat-exchange device entirety in frame, the frame for usually supporting air intake grid as bottom,
From the top of air intake grid upwards gradually welding fashioned iron to constitute integral frame structure, and with frame structure weld upwards and incite somebody to action
Snakelike heat exchange tube group, spray equipment, water collection device and finned tube group are in turn mounted in frame, are finally again installed to axial flow blower
The top of integral frame.
Due to using above-mentioned integral frame structure, existing compound evaporative heat-exchange device after mounting, removes axis stream
It is outside detachable installation at the top of blower and integral frame, remaining part is to be weldingly fixed in integral frame, nothing
Method is arbitrarily dismantled, and keeps the transhipment of existing compound evaporative heat-exchange device more inconvenient；Also, compound vaporation-type heat exchange is set
For because being the structure to be exchanged heat using the evaporation of shower water, in order to guarantee service life, it is necessary to except axis stream wind
Each component outside machine carries out tin plating antirust treatment, is exactly in last installation axle stream to existing compound evaporative heat-exchange device
Before blower, first soldered integral frame structure is placed into high temperature tin liquor pond and is impregnated, to make monoblock type
It fashioned iron in frame structure and the finned tube group being mounted in integral frame structure, water collection device, spray equipment and snakelike changes
Heat pipe heat can impregnate in high temperature tin liquor pond and surface is made to obtain tin plating antirust treatment, but that impregnates in high temperature tin liquor pond does
Method can bring environmental pollution, and the environmental pollution can impregnate object with the increase in high temperature tin liquor pond and in high temperature tin liquor pond
Volume increase and it is even more serious；Currently, the requirement to the heat transfer effect of compound evaporative heat-exchange device is continuously increased, so
The volume of the integral frame of compound evaporative heat-exchange device also constantly increases, in high temperature tin liquor pond impregnate when caused by ring
Border pollution also increases with it, and existing compound evaporative heat-exchange device is caused to be difficult to meet the requirement of environmental protection further.
Utility model content
To solve existing compound evaporative heat-exchange device due to using integral frame structure, it is inconvenient to cause to transport,
And environmental pollution caused by when impregnating integral frame to carry out tin plating antirust treatment in high temperature tin liquor pond is more serious
The problem of, the utility model provides a kind of compound evaporative heat-exchange device with composite frame structure.
Used technical solution is the utility model to solve above-mentioned technical problem: a kind of with composite frame structure
Compound evaporative heat-exchange device, including heat exchanger assembly, axial flow blower and air intake grid, the heat exchanger assembly include for pair
Finned tube group that high temperature fluid is pre-chilled and for carrying out cooling coiled pipe group, coiled pipe group again to the fluid after pre-cooling
It is arranged in below finned tube group and is connected to the end of finned tube group, is provided with spray equipment between coiled pipe group and finned tube group
And water collection device, being sprayed water downwards by spray equipment contacts shower water with the surface of coiled pipe group and evaporation of absorbing heat, to pass through
Heat exchange between shower water and coiled pipe group cools down the fluid in coiled pipe group, and water collection device is located on spray equipment
It is square, it is dripped downwards again after being collected by the vapor that water collection device generates spray water evaporation and condense part vapor
To coiled pipe group, to enable shower water to be recycled to improve the utilization rate of shower water, the axial flow blower is mounted on wing
Above piece pipe group, the air intake grid is mounted below coiled pipe group to support heat exchanger assembly and axial flow blower, passes through axis stream wind
The wind-force effect that machine rotation generates flows into outside air from air intake grid and flows up from coiled pipe group bottom, makes outside air
Continue to flow up from air intake grid and be flowed out from the air outlet of axial flow blower, so that the water for persistently driving spray water evaporation to generate steams
Gas flows up and flows to water collection device, in order to accelerate the speed of water steam and the speed of spray water evaporation to promote snake
The heat exchange efficiency of shape pipe group, the heat exchanger assembly are mounted in composite frame structure, and the group frame includes respectively by type
Finned tube framing, the receipts water spray for installing spray equipment and water collection device for installing finned tube group that steel is welded
Frame and coiled pipe framing for installing coiled pipe group, the quadrangle of finned tube framing bottom end and receive water spray frame
The quadrangle on top all has horizontally disposed junction steel plate, and finned tube framing, which is pressed on, to be received on water spray frame, makes finned tube
Four pieces of junction steel plates of framing bottom end and four pieces of junction steel plates for receiving water spray frame top respectively correspond fitting, receive water spray
The quadrangle of frame bottom end and the quadrangle on coiled pipe framing top also all have horizontally disposed junction steel plate, receive water spray frame
It is pressed on coiled pipe framing, four pieces for making four pieces of junction steel plates for receiving water spray frame bottom end and receiving water spray frame top
Junction steel plate respectively corresponds fitting, and the through-hole for wearing bolt is offered on all junction steel plates, installs in group frame
The through-hole on two pieces of junction steel plates mutually to fit afterwards is aligned, and is worn on the junction steel plate that two pieces mutually fit by bolt
Through-hole, to connect and be positioned to a composite frame structure finned tube framing, receipts water spray frame with coiled pipe framing
It is whole；The axial flow blower is located above group frame, and axial flow blower is pressed on the top of finned tube framing, the air intake grid
Below group frame, coiled pipe framing is pressed on the top of air intake grid, and the bottom end of coiled pipe framing is set with level
The connection channel steel set connects the connecting hole offered on the steel plate of air intake grid side in channel steel for wearing bolt, air inlet
The quadrangle correspondence on grid top offers through-hole, and the connecting hole of connection channel steel and the through-hole on air intake grid top are worn by bolt, from
And by group frame and air intake grid assembly and connection.
Preferably, finned tube framing, receipts water spray frame and coiled pipe framing are to be welded using channel steel and angle steel
Made of cuboid frame structure.
Preferably, the bottom end of the air intake grid is equipped with pedestal made of a fashioned iron welding.
According to the above technical scheme, the beneficial effects of the utility model are:
A kind of compound evaporative heat-exchange device with composite frame structure provided by the utility model uses combination
Frame structure installs each component, i.e., finned tube group is installed by finned tube framing, is installed by receiving water spray frame
Spray equipment and water collection device install coiled pipe group by coiled pipe framing, finally again by junction steel plate, connection channel steel with
And the connection of bolt, finned tube framing, receipts water spray frame, coiled pipe framing and air intake grid are assembled into one from the top down
Body.Due to using combinations of the above frame structure, so between each component in compound evaporative heat-exchange device, Ke Yitong
It crosses Bolt dismantling and each frame is dismantled and is separated, in this way when compound evaporative heat-exchange device is transported, so that it may will
Each frame is individually packed, is transported, will compared with existing compound evaporative heat-exchange device needs to transport integral frame
Individually transhipment is certainly more convenient, efficient respectively for each section.
Also, the compound evaporative heat-exchange device of the utility model, when carrying out tin plating antirust treatment, can also first by
Composite frame structure is dismantled, and then impregnates each individual frame in high temperature tin liquor pond respectively, and existing compound steaming
Hairdo heat exchange equipment need by integral frame all impregnated in high temperature tin liquor pond together, composite frame structure dismantle after it is each
The volume of a individual frame is certainly small than whole, and the environmental pollution generated when so impregnating in high temperature tin liquor pond is also compared
Slightly more are wanted when integral frame impregnates in high temperature tin liquor pond, are set so that the compound vaporation-type of the utility model be made to exchange heat
The standby requirement that can more meet environmental protection than existing compound evaporative heat-exchange device, while being also more in line with compound evaporation
Formula heat exchange equipment development trend that volume constantly increases with the raising of heat exchanging efficiency requirements, before wide utilization
Scape.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model；
Fig. 2 is the schematic perspective view of heat exchanger assembly；
Fig. 3 is the schematic front view of heat exchanger assembly；
Fig. 4 is the left view schematic diagram of heat exchanger assembly；
Fig. 5 is the partial enlargement diagram in Fig. 2 at label A；
Fig. 6 is the partial enlargement diagram in Fig. 2 at label B；
Fig. 7 is the partial enlargement diagram in Fig. 2 at label C.
Marked in the figure: 1, axial flow blower, 2, air intake grid, 3, finned tube group, 4, coiled pipe group, 5, spray equipment, 6, receipts water
Device, 7, junction steel plate, 8, connection channel steel, 9, connecting hole.
Specific embodiment
Referring to attached drawing, specific embodiment is as follows:
A kind of compound evaporative heat-exchange device with composite frame structure, including heat exchanger assembly, 1 and of axial flow blower
Air intake grid 2, the heat exchanger assembly include finned tube group 3 for high temperature fluid to be pre-chilled and for the stream after pre-cooling
Body carries out cooling coiled pipe group 4 again, and coiled pipe group 4 is arranged in below finned tube group 3 and connects with the end of finned tube group 3
It is logical, spray equipment 5 and water collection device 6 are provided between coiled pipe group 4 and finned tube group 3, water spray makes to spray downwards by spray equipment 5
Water drenching is contacted with the surface of coiled pipe group 4 and evaporation of absorbing heat, thus by the heat exchange between shower water and coiled pipe group 4 to snake
Fluid in shape pipe group 4 is cooled down, and water collection device 6 is located at 5 top of spray equipment, is generated by 6 pairs of spray water evaporations of water collection device
Vapor be collected and make part vapor condense after drop to coiled pipe group 4 downwards again, to enable shower water
It is recycled to improve the utilization rate of shower water, the axial flow blower 1 is mounted on 3 top of finned tube group, and the air intake grid 2 is installed
To support heat exchanger assembly and axial flow blower 1 below coiled pipe group 4, the wind-force effect generated by the rotation of axial flow blower 1 makes
Outside air is flowed into from air intake grid 2 and is flowed up from 4 bottom of coiled pipe group, continues outside air from air intake grid 2 to upstream
It moves and is flowed out from the air outlet of axial flow blower 1, so that the vapor for persistently driving spray water evaporation to generate is flowed up and flowed to
Water collection device 6, in order to accelerate the speed of water steam and the speed of spray water evaporation, to promote the heat exchange of coiled pipe group 4
Efficiency；
The heat exchanger assembly is mounted in composite frame structure, and the group frame includes being welded respectively by fashioned iron
For install the finned tube framing of finned tube group 3, the receipts water spray frame for installing spray equipment 5 and water collection device 6, with
And the coiled pipe framing for installing coiled pipe group 4, finned tube framing, receipts water spray frame and coiled pipe framing are
The cuboid frame structure being welded using channel steel and angle steel, outer dimension be respectively greater than finned tube group 3, spray equipment 5,
Water collection device 6 and coiled pipe group 4, finned tube group 3, spray equipment 5, water collection device 6 and coiled pipe group 4 are connected by welding and bolt
It connects fixed method to be mounted in respective frame, the quadrangle of finned tube framing bottom end and the quadrangle for receiving water spray frame top
Horizontally disposed junction steel plate 7 is all had, finned tube framing, which is pressed on, to be received on water spray frame, and finned tube framing bottom end is made
Four pieces of junction steel plates 7 and receive four pieces of junction steel plates 7 on water spray frame top and respectively correspond fitting, receipts water spray frame bottom end
Quadrangle and the quadrangle on coiled pipe framing top also all have horizontally disposed junction steel plate 7, receive water spray frame and be pressed on
On coiled pipe framing, four pieces for making four pieces of junction steel plates 7 for receiving water spray frame bottom end and receiving water spray frame top are connected
Steel plate 7 respectively corresponds fitting, and the through-hole for wearing bolt is offered on all junction steel plates 7, after group frame installation
The through-hole on two pieces of junction steel plates 7 mutually to fit is aligned, and is worn on two pieces of junction steel plates mutually to fit 7 by bolt
Through-hole, to connect and be positioned to a composite frame structure finned tube framing, receipts water spray frame with coiled pipe framing
It is whole；The axial flow blower 1 is located above group frame, and axial flow blower 1 is pressed on the top of finned tube framing, the air inlet
Grid 2 are located at below group frame, and coiled pipe framing is pressed on the top of air intake grid 2, and the bottom end of coiled pipe framing has water
The connection channel steel 8 of flat setting connects the connection offered on the steel plate of 2 side of air intake grid in channel steel 8 for wearing bolt
The quadrangle correspondence in hole 9,2 top of air intake grid offers through-hole, wears the connecting hole 9 of connection channel steel 8 by bolt and air intake grid 2 pushes up
The through-hole at end, so that the bottom end of the air intake grid 2 is additionally provided with a fashioned iron welding by 2 assembly and connection of group frame and air intake grid
Made of pedestal.
Claims (3)
1. a kind of compound evaporative heat-exchange device with composite frame structure, including heat exchanger assembly, axial flow blower (1) and
Air intake grid (2), the heat exchanger assembly include finned tube group (3) for high temperature fluid to be pre-chilled and for after to pre-cooling
Fluid carry out cooling coiled pipe group (4) again, coiled pipe group (4) setting below finned tube group (3) and with finned tube group
(3) end connection, is provided with spray equipment (5) and water collection device (6), passes through spray between coiled pipe group (4) and finned tube group (3)
Water spray contacts shower water with the surface of coiled pipe group (4) and evaporation of absorbing heat to shower device (5) downwards, to pass through shower water and snake
Heat exchange between shape pipe group (4) cools down the fluid in coiled pipe group (4), and water collection device (6) is located on spray equipment (5)
Side, after being collected by the vapor that water collection device (6) generates spray water evaporation and condense part vapor again downwards
Coiled pipe group (4) are dropped to, to enable shower water to be recycled to improve the utilization rate of shower water, the axial flow blower
(1) be mounted on above finned tube group (3), the air intake grid (2) be mounted below coiled pipe group (4) with support heat exchanger assembly and
Axial flow blower (1), the wind-force effect generated by axial flow blower (1) rotation flow into outside air from air intake grid (2) and from snake
Shape pipe group (4) bottom flows up, and outside air is made to continue to flow up from air intake grid (2) and the outlet air from axial flow blower (1)
Mouth outflow, so that the vapor for persistently driving spray water evaporation to generate flows up and flows to water collection device (6), in order to accelerate water
The speed of vapour-cycling and the speed of spray water evaporation are to promote the heat exchange efficiency of coiled pipe group (4), it is characterised in that:
The heat exchanger assembly is mounted in composite frame structure, and the group frame includes using made of being welded respectively as fashioned iron
In the installation finned tube framing of finned tube group (3), the receipts water spray frame for installing spray equipment (5) and water collection device (6),
And the coiled pipe framing for installing coiled pipe group (4), the quadrangle and receipts water spray frame top of finned tube framing bottom end
The quadrangle at end all has horizontally disposed junction steel plate (7), and finned tube framing, which is pressed on, to be received on water spray frame, makes finned tube
Four pieces of junction steel plates (7) of framing bottom end and four pieces of junction steel plates (7) for receiving water spray frame top respectively correspond fitting, receive
The quadrangle of water spray frame bottom end and the quadrangle on coiled pipe framing top also all have horizontally disposed junction steel plate (7), receive
Water spray frame is pressed on coiled pipe framing, is made four pieces of junction steel plates (7) for receiving water spray frame bottom end and is received water spray
Four pieces of junction steel plates (7) on frame top respectively correspond fitting, offer on all junction steel plates (7) for wearing bolt
Through-hole, the through-hole on two pieces of junction steel plates (7) mutually to fit after group frame installation are aligned, and wear two pieces by bolt
The through-hole on junction steel plate (7) mutually to fit, to by finned tube framing, receive water spray frame and coiled pipe framing company
It connects and is positioned to a composite frame structure entirety；The axial flow blower (1) is located above group frame, and axial flow blower (1) pressure is set
On the top of finned tube framing, the air intake grid (2) is located at below group frame, and coiled pipe framing is pressed on air intake grid
(2) top, the bottom end of coiled pipe framing have horizontally disposed connection channel steel (8), close air intake grid in connection channel steel (8)
(2) connecting hole (9) for wearing bolt is offered on the steel plate of side, the quadrangle correspondence on air intake grid (2) top offers logical
Hole, by bolt wear connection channel steel (8) connecting hole (9) and air intake grid (2) top through-hole, thus by group frame and into
Air grid (2) assembly and connection.
2. a kind of compound evaporative heat-exchange device with composite frame structure according to claim 1, feature exist
In: finned tube framing, receipts water spray frame and coiled pipe framing are the cuboid being welded using channel steel and angle steel
Frame structure.
3. a kind of compound evaporative heat-exchange device with composite frame structure according to claim 1, feature exist
In: the bottom end of the air intake grid (2) is equipped with pedestal made of a fashioned iron welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821746252.9U CN209101849U (en) | 2018-10-26 | 2018-10-26 | A kind of compound evaporative heat-exchange device with composite frame structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821746252.9U CN209101849U (en) | 2018-10-26 | 2018-10-26 | A kind of compound evaporative heat-exchange device with composite frame structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209101849U true CN209101849U (en) | 2019-07-12 |
Family
ID=67156694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821746252.9U Active CN209101849U (en) | 2018-10-26 | 2018-10-26 | A kind of compound evaporative heat-exchange device with composite frame structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209101849U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109186281A (en) * | 2018-10-26 | 2019-01-11 | 隆华科技集团（洛阳）股份有限公司 | A kind of compound evaporative heat-exchange device with composite frame structure |
-
2018
- 2018-10-26 CN CN201821746252.9U patent/CN209101849U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109186281A (en) * | 2018-10-26 | 2019-01-11 | 隆华科技集团（洛阳）股份有限公司 | A kind of compound evaporative heat-exchange device with composite frame structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Combined evaporative heat exchange equipment comprising combined frame structure Effective date of registration: 20200113 Granted publication date: 20190712 Pledgee: Bank of China Limited Luoyang Station Branch Pledgor: Longhua Science and Technology Group (Luoyang) Co., Ltd. Registration number: Y2020990000043 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200528 Granted publication date: 20190712 Pledgee: Bank of China Limited Luoyang Station Branch Pledgor: LONGHUA TECHNOLOGY GROUP (LUOYANG) Co.,Ltd. Registration number: Y2020990000043 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Combined evaporative heat exchange equipment comprising combined frame structure Effective date of registration: 20200528 Granted publication date: 20190712 Pledgee: Bank of China Limited Luoyang Station Branch Pledgor: LONGHUA TECHNOLOGY GROUP (LUOYANG) Co.,Ltd. Registration number: Y2020990000534 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210615 Granted publication date: 20190712 Pledgee: Bank of China Limited Luoyang Station Branch Pledgor: LONGHUA TECHNOLOGY GROUP (LUOYANG) Co.,Ltd. Registration number: Y2020990000534 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |