CN204787920U - Multi -functional exhaust steam recovery system that retrieves entirely - Google Patents
Multi -functional exhaust steam recovery system that retrieves entirely Download PDFInfo
- Publication number
- CN204787920U CN204787920U CN201520396778.9U CN201520396778U CN204787920U CN 204787920 U CN204787920 U CN 204787920U CN 201520396778 U CN201520396778 U CN 201520396778U CN 204787920 U CN204787920 U CN 204787920U
- Authority
- CN
- China
- Prior art keywords
- heat
- import
- receiving apparatus
- exhaust steam
- recovery system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000011084 recovery Methods 0.000 title claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 111
- 230000008676 import Effects 0.000 claims abstract description 37
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 238000009833 condensation Methods 0.000 claims description 53
- 230000005494 condensation Effects 0.000 claims description 53
- 239000006096 absorbing agent Substances 0.000 claims description 18
- 238000009826 distribution Methods 0.000 claims description 13
- 230000004888 barrier function Effects 0.000 claims description 10
- 238000002955 isolation Methods 0.000 claims description 9
- 239000010865 sewage Substances 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 abstract description 8
- 239000002918 waste heat Substances 0.000 abstract description 2
- 239000000498 cooling water Substances 0.000 description 17
- 101100298222 Caenorhabditis elegans pot-1 gene Proteins 0.000 description 16
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000012423 maintenance Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 239000007921 spray Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
Multi -functional exhaust steam recovery system that retrieves entirely belongs to the waste heat recovery technology field, and its structure is including condense water pitcher and the multistage special recovery unit that are linked together, it is equipped with a plurality of exhaust steam and condensate water import to condense the top of water pitcher, and the bottom of the water pitcher that condenses is equipped with the heat -exchanger pump, and heat equipment's heat exchange medium import is connected to the delivery port of heat -exchanger pump, and heat equipment's heat exchange medium export is linked together through the pipeline with the import of heating medium again on the multistage special recovery unit, multistage special recovery unit's top still is equipped with a noncondensable gas and arranges the mouth. The utility model has the characteristics of recovery efficiency is high, fail safe nature is high, can realize one set of recovery unit of a plurality of exhaust steam emission points sharing, can ensure that the apparatus for producing is stable, normal operating.
Description
Technical field
The utility model relates to waste heat recovering energy conserving technical field of emission reduction, specifically a kind of multi-functional full recovery dead steam recovery system.
Background technology
Discharge the steam of calorific potential energy, be called exhaust steam.Often a large amount of exhaust steam is produced in field of industrial production, be difficult to because exhaust steam pressure is low, density is little, flow velocity is slow reclaim, industrial normal employing cold water mixes with exhaust steam and reclaims heat, traditional reclaimer often causes minute-pressure steam to be difficult to pass through because of complex structure, do not reach recovering effect, and the steam-water mixing equipment of simple fountain is because the insufficient steam that makes of moisture runs off in a large number, do not reach recovering effect equally.
In addition, current exhaust steam recoverer mostly a set of equipment reclaims for an exhaust steam emission point, and installation cost is higher, and the workload of regular maintenance is also very large.
Utility model content
The purpose of this utility model is for the deficiencies in the prior art, a kind of multi-functional full recovery dead steam recovery system is provided, this system recoveries efficiency is high, multiple exhaust steam emission point can be realized and share a set of retracting device, and entering not affect and producing the production technology of exhaust steam of various exhaust steam can be ensured, security reliability is high, and line service amount is little.
The technical scheme in the invention for solving the technical problem is: multi-functional full recovery dead steam recovery system, comprise condensation water pot and multistage Special back receiving apparatus, multistage Special back receiving apparatus is positioned at the top of condensation water pot and is connected with condensation water pot in bottom;
The top of described condensation water pot is provided with multiple exhaust steam and condensate water import, described exhaust steam and condensate water import are connected with exhaust steam and condensing water conduit, the condensation bottom of water pot is connected with the water inlet of heat-exchanger pump, the delivery port of heat-exchanger pump is connected by pipeline with the heat exchange medium import of heating equipment, and the heat exchange medium exit of heating equipment is connected by pipeline with the import of heat medium again on multistage Special back receiving apparatus;
The import of described heat medium is again positioned at the top of multistage Special back receiving apparatus sidewall, and the top of multistage Special back receiving apparatus is also provided with a fixed gas row mouth.
Further technical scheme is: described multistage Special back receiving apparatus inside is provided with the absorber that superposition is arranged, absorber arrangement is in the below of described heat medium again import.
Further technical scheme is: the described import department of heat medium is again provided with the water distributor stretching into multistage Special back receiving apparatus inside, and the bottom even of water distributor is distributed with multiple nozzle.Cooling water evenly sprays by nozzle, is conducive to the completely recovery of cooling water to heat energy in exhaust steam.
Further technical scheme is: described absorber comprises the distributor, water distribution element and the isolation barrier that set gradually from top to bottom; Described distributor is tabular, and distributor is evenly distributed with through hole; Described water distribution element is combined by multiple stainless steel helices and forms; Described isolation barrier is made up of strip member arranged in parallel, has gap between adjacent strip member.
Further technical scheme is: be provided with support member between adjacent described absorber, described support member by and the gripper shoe of column distribution form, have gap between adjacent gripper shoe.Support member is set to and the gripper shoe of column distribution, and the direction of gripper shoe is all consistent, and be conducive to reducing the resistance to water, support member is played a supporting role to absorber, not only makes the structure of equipment more firm, and is beneficial to the abundant mixing of cooling water and exhaust steam.
Further technical scheme is: on described distributor, the diameter of through hole is 8mm, and pitch of holes is 16mm.
Further technical scheme is: the bottom of described condensation water pot is provided with sewage draining exit, and sewage draining exit place is provided with valve.Arrange sewage draining exit can discharge timely condensation water pot in impurity and foul, be beneficial to the maintenance of equipment.
Further technical scheme is: the inside of described condensation water pot is also provided with teletransmission magnetic flap level gauge, and teletransmission magnetic flap level gauge is electrically connected with the switch of described heat-exchanger pump.Teletransmission magnetic flap level gauge, for detecting the liquid level of condensation water pot, also may be used for the start and stop controlling heat-exchanger pump.
Further technical scheme is: the pipeline on the pipeline between described condensation water pot and heat-exchanger pump and between heating equipment and multistage Special back receiving apparatus is respectively equipped with filter.Filter is set, the hot water entering heating equipment and the foul entered in the cooling water of multistage Special back receiving apparatus can be removed, avoid the foul in water to cause damage to equipment.
Further technical scheme is: described heat-exchanger pump is single-stage centrifugal water pump.The features such as it is convenient that single-stage centrifugal water pump has installation, maintenance, energy-efficient, operates steadily, safe and reliable.
Compared with prior art, the utility model has following beneficial effect:
1, organic efficiency is high, condensation water pot and multistage Special back receiving apparatus are set, multistage Special back receiving apparatus is connected with condensation water pot in bottom, form the system of circulation, cooling water sprays through nozzle when entering multistage Special back receiving apparatus, is provided with multilayer absorber, cooling water fully can be mixed with exhaust steam in multistage Special back receiving apparatus, Multiple Cycle in the system closed, can realize cooling water and reclaim to greatest extent heat energy in exhaust steam;
2, an equipment multipurpose, in the below of multistage Special back receiving apparatus, condensation water pot is set, condensation water pot is provided with multiple exhaust steam and condensate water import, multiple exhaust steam emission point can be connected, multiple exhaust steam emission point can be realized and share a set of retracting device, reduce the floor space of steam exhaust recovering device, reduce the Productive statistics of enterprise, reduce the workload of steam exhaust recovering device regular maintenance, use manpower and material resources sparingly;
3, in legacy equipment, exhaust steam import is arranged on bottom retracting device, retracting device is mostly tank body, and the bottom of tank body is arcwall face, can mutually impact and interfere time the exhaust steam of multiple exhaust steam import enters traditional retracting device, cause system unstable, inner air pressure is also unstable, there is potential safety hazard, and the exhaust steam of native system and condensate water import are set up in parallel on condensation water pot, the exhaust steam entered each other can be avoided mutually to interfere, improve the stability of system;
4, condensation water pot is connected with multistage Special back receiving apparatus, the top of multistage Special back receiving apparatus is provided with fixed gas row mouth, condensation water pot is communicated with air by fixed gas row mouth, achieve in condensation water pot tank without pressure, operationally, the distributor of current in multistage Special back receiving apparatus can produce the state of tiny structure, enter in condensation water pot with regard to accelerating the exhaust steam produced in production process like this, entering not affect and producing the production technology of exhaust steam of various exhaust steam can be ensured without pressure when exhaust steam enters condensation water pot, guarantee that original production device is stablized, normal operation,
5, condensation water pot is provided with, the hot water that multistage Special back receiving apparatus produces falls condensation water pot after rise, the exhaust steam of high temperature also enters condensation water pot from exhaust steam and condensate water import, improves the temperature of condensation water pot internal hot-water further, ensures the heat that heating equipment provides enough;
6, exhaust steam from multiple exhaust steam and condensate water import enter condensation water pot after, because condensation water pot inside exists larger space, the exhaust steam that different import enters can in condensation water pot internal mix, the exhaust steam entering multistage Special back receiving apparatus is made to be steadily stress-free, play the effect maintaining the stability of a system, avoid in traditional equipment, exhaust steam straight taps into into retracting device, the equipment damage that air pressure instability is brought and potential safety hazard, line service amount is little.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the structural representation of multistage Special back receiving apparatus in the utility model embodiment;
Fig. 3 is the structural representation of isolating barrier in Fig. 2;
Fig. 4 is the A-A sectional view of Fig. 3.
In figure: 1 condensation water pot, 11 exhaust steam and condensate water import, 12 teletransmission magnetic flap level gauges, 13 sewage draining exits,
2 multistage Special back receiving apparatus, 21 fixed gas row mouths, 22 heat medium imports again, 23 nozzles, 24 distributors, 25 water distribution elements, 26 isolation barriers, 27 support members,
3 heat-exchanger pumps,
4 heating equipments, 41 heat exchange medium imports, 42 heat exchange medium exits.
Detailed description of the invention
Below in conjunction with Figure of description and specific embodiment, the utility model will be further described:
As shown in Figure 1.Multi-functional full recovery dead steam recovery system of the present utility model, comprises condensation water pot 1 and multistage Special back receiving apparatus 2, and multistage Special back receiving apparatus 2 is positioned at the top of condensation water pot 1 and is connected with condensation water pot 1 in bottom.
The top of described condensation water pot 1 is provided with multiple exhaust steam and condensate water import 11, described exhaust steam and condensate water import 11 are connected with exhaust steam and condensing water conduit, the bottom of condensation water pot 1 is connected with the water inlet of heat-exchanger pump 3, the delivery port of heat-exchanger pump 3 is connected by pipeline with the heat exchange medium import 41 of heating equipment 4, and the heat exchange medium exit 42 of heating equipment 4 is connected by pipeline with the import of heat medium again 22 on multistage Special back receiving apparatus 2.
Described heat medium again import 22 is positioned at the top of multistage Special back receiving apparatus 2 sidewall, and the top of multistage Special back receiving apparatus 2 is also provided with a fixed gas row mouth 21.
Arrange fixed gas row mouth 21 to achieve in condensation water pot tank without pressure, operationally, the distributor 24 of current in multistage Special back receiving apparatus 2 can produce the state of tiny structure, enter in condensation water pot 1 with regard to accelerating the exhaust steam produced in production process like this, entering not affect and producing the production technology of exhaust steam of various exhaust steam can be ensured without pressure when exhaust steam enters condensation water pot 1, guarantee that original production device is stable, normally run.In addition, on-condensible gas drains into air by fixed gas row mouth 21, and avoid gas in system, accumulate the potential safety hazard brought and the harmful effect to each parts and production technology, line service amount is little.
As Fig. 2, described multistage Special back receiving apparatus 2 inside is provided with the absorber that superposition is arranged, absorber arrangement is in the below of described heat medium again import 21.
Described heat medium again import 21 place is provided with the water distributor stretching into multistage Special back receiving apparatus inside, and the bottom even of water distributor is distributed with multiple nozzle 23.Cooling water evenly sprays by nozzle 23, is conducive to the completely recovery of cooling water to heat energy in exhaust steam.
Described absorber comprises the distributor 24, water distribution element 25 and the isolation barrier 26 that set gradually from top to bottom; Described distributor 24, in tabular, distributor 24 is evenly distributed with through hole; Described water distribution element 25 is combined by multiple stainless steel helices and forms; As shown in Figures 3 and 4, described isolation barrier 26 is made up of strip member arranged in parallel, has gap between adjacent strip member.Distributor 24, water distribution element 25 are conducive to fully mixing of cooling water and exhaust steam, realize cooling water and reclaim completely the heat energy in exhaust steam, and isolation barrier 26 be the strip member of same direction layout, will drop to minimum to the resistance of current.
Be provided with support member 27 between adjacent described absorber, described support member 27 by and the gripper shoe of column distribution form, have gap between adjacent gripper shoe.The version of support member 27 is similar with isolation barrier 26, support member 27 is set to and the gripper shoe of column distribution, the direction of gripper shoe is all consistent, be conducive to reducing the resistance to water, support member 27 pairs of absorbers are played a supporting role, not only make the structure of equipment more firm, and be beneficial to the abundant mixing of cooling water and exhaust steam.
In the present embodiment, on described distributor 24, the diameter of through hole is 8mm, and pitch of holes is 16mm.Exhaust steam and condensate water import 11 are provided with four, and the absorber in multistage Special back receiving apparatus 2 is provided with four layers.
The bottom of described condensation water pot 1 is provided with sewage draining exit 13, and sewage draining exit 13 place is provided with valve.Arrange sewage draining exit 13 can discharge timely condensation water pot 1 in impurity and foul, be beneficial to the maintenance of equipment.
The inside of described condensation water pot 1 is also provided with teletransmission magnetic flap level gauge 12, and teletransmission magnetic flap level gauge 12 is electrically connected with the switch of described heat-exchanger pump 3.Teletransmission magnetic flap level gauge 12, for detecting the liquid level of condensation water pot 1, also may be used for the start and stop controlling heat-exchanger pump 3.
Pipeline on pipeline between described condensation water pot 1 and heat-exchanger pump 3 and between heating equipment 4 and multistage Special back receiving apparatus 2 is respectively equipped with filter.Filter is set, the hot water entering heating equipment 4 and the foul entered in the cooling water of multistage Special back receiving apparatus 2 can be removed, avoid the foul in water to cause damage to equipment.
Described heat-exchanger pump 3 is single-stage centrifugal water pump.The features such as it is convenient that single-stage centrifugal water pump has installation, maintenance, energy-efficient, operates steadily, safe and reliable.
For the ease of to understanding of the present utility model, below in conjunction with a course of work, the utility model will be further described:
The exhaust steam produced in production technology enters condensation water pot 1 through exhaust steam and condensate water import 11, and the exhaust steam with a large amount of heat energy can be risen and be arrived multistage Special back receiving apparatus 2; Cooling water passes through heat medium import 22 again and enters multistage Special back receiving apparatus, cooling water moves down through multilayer absorber successively after nozzle 23 sprays, exhaust steam moves up through multilayer absorber after entering multistage Special back receiving apparatus 2 successively, cooling water and exhaust steam are in the inner fully mixing of multistage Special back receiving apparatus 2, the heat energy that cooling water absorbs in exhaust steam becomes hot water, hot water falls back to condensation water pot 1, hot water, after the booty that filter removing condensation water pot 1 brings, is sent to plant area's heating equipment 4 place through heat-exchanger pump 3 pressurization.The cooled water of heat exchange after filter removing heating equipment 4 and ducted foul, flows back to multistage Special back receiving apparatus 2 again.Cold water fully mixes with exhaust steam in multistage Special back receiving apparatus 2, and after exhaust steam being absorbed completely, the hot water of formation falls back condensation water pot 1, circulates again and again according to said process.
In the utility model " on ", D score etc. is all the relative terms adopted for convenience of description, can not absolute position be interpreted as and form the restriction to protection domain.
The foregoing is only preferred embodiment of the present utility model; it is not whole embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle; any amendment of doing, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Except technical characteristic described in description, all the other technical characteristics are those skilled in the art's known technology, in order to outstanding innovative characteristics of the present utility model, do not repeat them here.
Claims (10)
1. multi-functional full recovery dead steam recovery system, is characterized in that, comprises condensation water pot and multistage Special back receiving apparatus, and multistage Special back receiving apparatus is positioned at the top of condensation water pot and is connected with condensation water pot in bottom;
The top of described condensation water pot is provided with multiple exhaust steam and condensate water import, described exhaust steam and condensate water import are connected with exhaust steam and condensing water conduit, the condensation bottom of water pot is connected with the water inlet of heat-exchanger pump, the delivery port of heat-exchanger pump is connected by pipeline with the heat exchange medium import of heating equipment, and the heat exchange medium exit of heating equipment is connected by pipeline with the import of heat medium again on multistage Special back receiving apparatus;
The import of described heat medium is again positioned at the top of multistage Special back receiving apparatus sidewall, and the top of multistage Special back receiving apparatus is also provided with a fixed gas row mouth.
2. multi-functional full recovery dead steam recovery system according to claim 1, is characterized in that, described multistage Special back receiving apparatus inside is provided with the absorber that superposition is arranged, absorber arrangement is in the below of described heat medium again import.
3. multi-functional full recovery dead steam recovery system according to claim 2, is characterized in that, the described import department of heat medium is again provided with the water distributor stretching into multistage Special back receiving apparatus inside, and the bottom even of water distributor is distributed with multiple nozzle.
4. multi-functional full recovery dead steam recovery system according to claim 3, is characterized in that, described absorber comprises the distributor, water distribution element and the isolation barrier that set gradually from top to bottom; Described distributor is tabular, and distributor is evenly distributed with through hole; Described water distribution element is combined by multiple stainless steel helices and forms; Described isolation barrier is made up of strip member arranged in parallel, has gap between adjacent strip member.
5. multi-functional full recovery dead steam recovery system according to claim 4, is characterized in that, be provided with support member between adjacent described absorber, described support member by and the gripper shoe of column distribution form, have gap between adjacent gripper shoe.
6. multi-functional full recovery dead steam recovery system according to claim 5, it is characterized in that, on described distributor, the diameter of through hole is 8mm, and pitch of holes is 16mm.
7. the multi-functional full recovery dead steam recovery system according to any one in claim 1-6, is characterized in that, the bottom of described condensation water pot is provided with sewage draining exit, and sewage draining exit place is provided with valve.
8. multi-functional full recovery dead steam recovery system according to claim 7, is characterized in that, the inside of described condensation water pot is also provided with teletransmission magnetic flap level gauge, and teletransmission magnetic flap level gauge is electrically connected with the switch of described heat-exchanger pump.
9. multi-functional full recovery dead steam recovery system according to claim 8, is characterized in that, the pipeline on the pipeline between described condensation water pot and heat-exchanger pump and between heating equipment and multistage Special back receiving apparatus is respectively equipped with filter.
10. multi-functional full recovery dead steam recovery system according to claim 9, it is characterized in that, described heat-exchanger pump is single-stage centrifugal water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520396778.9U CN204787920U (en) | 2015-06-10 | 2015-06-10 | Multi -functional exhaust steam recovery system that retrieves entirely |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520396778.9U CN204787920U (en) | 2015-06-10 | 2015-06-10 | Multi -functional exhaust steam recovery system that retrieves entirely |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204787920U true CN204787920U (en) | 2015-11-18 |
Family
ID=54527945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520396778.9U Expired - Fee Related CN204787920U (en) | 2015-06-10 | 2015-06-10 | Multi -functional exhaust steam recovery system that retrieves entirely |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204787920U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896967A (en) * | 2015-06-10 | 2015-09-09 | 济南仙峰泰山化工设备有限公司 | Multifunctional recycling system for completely recycling exhausted steam |
-
2015
- 2015-06-10 CN CN201520396778.9U patent/CN204787920U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896967A (en) * | 2015-06-10 | 2015-09-09 | 济南仙峰泰山化工设备有限公司 | Multifunctional recycling system for completely recycling exhausted steam |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201306933Y (en) | A condenser | |
| CN204787920U (en) | Multi -functional exhaust steam recovery system that retrieves entirely | |
| CN201768395U (en) | High-efficient energy-saving alcohol recycling system | |
| CN203798191U (en) | Vapor condensation water recycling device | |
| CN206073747U (en) | A kind of sleeve pipe vaporation-type mixed-flow condenser | |
| CN104896967A (en) | Multifunctional recycling system for completely recycling exhausted steam | |
| CN108877967B (en) | External heat exchange water tank of passive containment cooling system of set formula | |
| CN202733877U (en) | Recovery device for clothes ironing steam condensate water | |
| CN203479062U (en) | Flue gas afterheat and water recycling device | |
| CN202793091U (en) | Vapor condensed water one-effect flash utilization system of air heating coil device | |
| CN206073125U (en) | A kind of Direct Air-Cooled tower waste heat circulation system | |
| CN103673396B (en) | Heat-exchange system | |
| CN203501830U (en) | Condenser | |
| CN205843411U (en) | The full recovery system of exhaust steam | |
| CN204554950U (en) | The steam supply of high back pressure thermal power plant unit and cooling system | |
| CN204214296U (en) | A kind of multi-joint cooling tower | |
| CN209679792U (en) | A kind of circulating high-temperature flue gas of stage type conduction oil takes off white processing system | |
| CN103267424B (en) | A kind of large-size generator set condenser of improvement | |
| CN204030863U (en) | A kind of vertical shaft motor evaporative cooling system | |
| CN203203424U (en) | Low-level ventilated-type evaporative cooling tower device | |
| CN203657273U (en) | Heat exchange device | |
| CN207701210U (en) | A kind of jet dynamic control tail gas waste heat utilizing device | |
| CN206587430U (en) | A kind of lime set flash vessel steam discharge retracting device | |
| CN206222688U (en) | A kind of efficient idle air source heat pump system | |
| CN205101237U (en) | Steam turbine vacuum pumping system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20151119 Granted publication date: 20151118 |
|
| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20161119 Granted publication date: 20151118 |
|
| PP01 | Preservation of patent right |
Effective date of registration: 20161119 Granted publication date: 20151118 |
|
| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20170519 Granted publication date: 20151118 |
|
| PP01 | Preservation of patent right |
Effective date of registration: 20170519 Granted publication date: 20151118 |
|
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20171119 Granted publication date: 20151118 |
|
| PD01 | Discharge of preservation of patent | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20171119 Granted publication date: 20151118 |
|
| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20180519 Granted publication date: 20151118 |
|
| PD01 | Discharge of preservation of patent | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20180519 Granted publication date: 20151118 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20181119 Granted publication date: 20151118 |
|
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20181119 Granted publication date: 20151118 |
|
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20190519 Granted publication date: 20151118 |
|
| PD01 | Discharge of preservation of patent | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20190519 Granted publication date: 20151118 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20191119 Granted publication date: 20151118 |
|
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20191119 Granted publication date: 20151118 |
|
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20200519 Granted publication date: 20151118 |
|
| PD01 | Discharge of preservation of patent | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20200519 Granted publication date: 20151118 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20201119 Granted publication date: 20151118 |
|
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20201119 Granted publication date: 20151118 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210519 Granted publication date: 20151118 |
|
| PP01 | Preservation of patent right |
Effective date of registration: 20210519 Granted publication date: 20151118 |
|
| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20211119 Granted publication date: 20151118 |
|
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20211119 Granted publication date: 20151118 |
|
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20220519 Granted publication date: 20151118 |
|
| PD01 | Discharge of preservation of patent | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20220519 Granted publication date: 20151118 |
|
| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20221119 Granted publication date: 20151118 |
|
| PD01 | Discharge of preservation of patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 |