CN109838834A - A kind of subtube formula environment protection type gas heating boiler based on PLC control - Google Patents
A kind of subtube formula environment protection type gas heating boiler based on PLC control Download PDFInfo
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- CN109838834A CN109838834A CN201711216069.8A CN201711216069A CN109838834A CN 109838834 A CN109838834 A CN 109838834A CN 201711216069 A CN201711216069 A CN 201711216069A CN 109838834 A CN109838834 A CN 109838834A
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Abstract
The invention discloses a kind of subtube formula environment protection type gas heating boilers based on PLC control, including boiler, heater box, water tank, first water tank, lower water temperature case and waste gas treatment tank, water tank is equipped on the downside of boiler, water tank side is equipped with the first water tank, the device gets up the gas sampling of boiler emission, it is water heating using its waste heat, and it is provided with waste gas treatment tank, there are filter plate and activated carbon adsorption plate in treatment box, furthermore, it is also equipped with atomizer, it is adsorbed again after filtering, it is discharged into air again after absorption, start atomizer simultaneously, the particle of boiler exhaust gas remnants is allowed to deposit, inclined plate and dirt collecting bucket is recycled to be collected its particle, the present apparatus installs the second water tank that a surface offers several apopores also inside lower water temperature case, cold water is imported into lower water temperature case by apopore, so that water temperature tune Hot water and cold water mix inside section case is more uniform, conducive to the regulation of its temperature, brings excellent experience to user.
Description
Technical field
The present invention relates to a kind of heating boilers, more particularly, to a kind of subtube formula environment protection type gas based on PLC control
Heating boiler.
Background technique
Boiler is a kind of energy conversion, and the energy inputted to boiler has chemical energy, electric energy in fuel, boiler output
Steam, high-temperature water or organic heat carrier with certain thermal energy.The original meaning of pot refers to that the water container heated on fire, furnace refer to burning
The place of fuel, boiler include pot and furnace two large divisions.The hot water or steam generated in boiler can directly be industrial production and people
The people's livelihood is living to provide required thermal energy, mechanical energy can also be converted to by Steam Power Equipment, or again turn mechanical energy by generator
It is changed to electric energy.The boiler for providing hot water is known as hot-water boiler, is mainly used for living, also there is a small amount of application in industrial production.It generates
The boiler of steam is known as steam boiler, is often simply called boiler, is chiefly used in thermal power station, ship, locomotive and industrial and mining enterprises.With society
Development and living standards of the people progress, the northern area of China all realizes every household using heating substantially.Existing confession
The basic functional principle of heating system: low temperature heating agent is heated in heat source, absorb heat after, become high temperature heating agent (high-temperature water or
Steam), it is sent to interior through conveyance conduit, heat is released by heat dissipation equipment, increases room temperature；Temperature reduces after heat dissipation,
Become low temperature heating agent (water at low temperature), then heat source is returned to by recovery channel, is recycled.It so constantly recycles, thus not
It is disconnected that heat is sent to interior from heat source, to supplement indoor thermal losses, the temperature for keeping indoor holding certain.
There are many kinds of different classification methods for heating system, can be divided into according to the difference of heating agent: hot-water heating system, steaming
Vapour heating system, hot air heating system；It is divided into steam power plant's heating again according to the difference of heat source, district boiler room heating, concentrates confession
Warm three categories etc..Wherein, hot-water heating system mainly includes boiler room, outdoor heat supply heat supply network and indoor heating device etc..If pot
If the exhaust gas generated in furnace burning is directly discharged in atmosphere, pollution can be brought to atmospheric environment, in addition, in the exhaust gas of discharge
It can also not be used entrainment of remaining heat, the heat of this part, result in waste, in addition to this, boiler exists
It adjusting since hot and cold water mixing is unevenly easy the experience made troubles to user in temperature course, boiler water supply is sometimes hot and sometimes cold,
It will cause uncomfortable experience, certain pressure can be brought to outlet conduit also to influence its service life.
For above situation, a kind of subtube formula environment protection type gas heating boiler based on PLC control is designed, which will
The gas sampling of boiler emission gets up, and is water heating using its waste heat, and be provided with waste gas treatment tank, has filter plate in treatment box
And adsorption plate adsorbs after filtering again in addition, being also equipped with atomizer, is discharged into air again after absorption, while starting atomizer,
It allows the particle of boiler exhaust gas remnants to deposit, recycles inclined plate and dirt collecting bucket to be collected its particle, the present apparatus is also in water
One surface of installation offers the second water tank of several apopores inside warm regulating box, and cold water is imported water temperature by apopore
Regulating box, so that the hot water and cold water mix inside lower water temperature case are more uniform, conducive to the regulation of its temperature.
Summary of the invention
The technical problem to be solved by the present invention is to boiler applications it is extensive on the basis of, for boiler it is efficient utilize and environmental protection mention
For a kind of miscellaneous function, a kind of subtube formula environment protection type gas heating boiler based on PLC control is designed, to solve above-mentioned ask
Topic.
To achieve the above object, the invention provides the following technical scheme:
A kind of subtube formula environment protection type gas heating boiler based on PLC control of the present invention, including boiler, heater box, water
Case, the first water tank, lower water temperature case and waste gas treatment tank, are equipped with water tank on the downside of the boiler, and the water tank side is equipped with the
One water tank, the first water tank upside are equipped with lower water temperature case, are equipped with PLC controller, the pot on the outside of the boiler
Furnace interior is equipped with heater box, and heat supply pipeline is connected on the upside of the heater box, and the heat supply pipeline is to be connected to heater box upper end
It connects, hot-water circulating pump is installed on the heat supply pipeline, electromagnetic flow valve, the confession are also equipped on the heat supply pipeline
Heat pipeline is connected to connection with lower water temperature case side far from heater box one end, and the boiler upper end is equipped with several gas outlets, described
Gas outlet one end is communicated with steam line, and steam line one end connection is equipped with heating pipe, and the heating pipe is located at the
Inside one water tank, the heating pipe is equipped with outlet pipe far from the connection of steam line one end, and the outlet pipe upper end is set
There is waste gas treatment tank, filter plate is installed inside the waste gas treatment tank, double-layer active carbon suction is installed on the upside of the filter plate
Attached plate, the waste gas treatment tank upper end are equipped with exhaust outlet, and riser tubing, the promotion are equipped between the boiler and water tank
Elevator pump is installed on pipeline, suction pump is installed inside the water tank, described suction pump one end is connected with the first water supply
Pipeline is also equipped with electromagnetic flow valve on first water supply line, and first water supply line is equipped with far from water tank one end
Second water tank, second water tank are located inside lower water temperature case, offer several water outlets on the outside of second water tank
Hole, the lower water temperature case inner bottom are also equipped with temp probe, and one end connection is equipped with water outlet on the downside of the lower water temperature case
Pipeline is also equipped with riser tubing, the lower water temperature case and the first water storage between the lower water temperature case and the first water tank
Case is also connected with connecting tube, is also equipped with electromagnetic flow valve in the connecting tube, and the connection of first water tank side is equipped with the
Two water supply lines, second water supply line are also equipped with electromagnetic flow valve, second water supply line and the first water supply line
Between be equipped with threeway, second water supply line and the first water supply line by threeway connection connection.
As a preferred technical solution of the present invention, the PLC controller is programmable memory, the PLC control
Program is equipped with inside device processed.
As a preferred technical solution of the present invention, the outlet pipe is to be connected to connection with waste gas treatment tank side.
As a preferred technical solution of the present invention, atomizer, the atomization are additionally provided with inside the waste gas treatment tank
Device is located on the downside of filter plate, and the atomizer is external in water supply pipe, and inclined plate is equipped on the downside of the waste gas treatment tank, described oblique
Plate lower end is equipped with dirt collecting bucket.
As a preferred technical solution of the present invention, the boiler is connected to connection by riser tubing with water tank, described
Water tank side connection is equipped with water inlet line.
As a preferred technical solution of the present invention, pass through riser between the lower water temperature case and the first water tank
Road connection connection, the lower water temperature case and the first water tank are connected to also by connecting tube and connect, the lower water temperature case and the
One water tank outer surface is equipped with insulating layer.
As a preferred technical solution of the present invention, the PLC controller is electrically connected electromagnetic flow valve, temperature is visited
Head, suction pump and hot-water circulating pump.
Compared with prior art, the beneficial effects of the present invention are: the subtube formula environment protection type gas that this kind is controlled based on PLC
Heating boiler main body, structure design is complete compact, which gets up the gas sampling of boiler emission, is added using its waste heat for water
Temperature, and it is provided with waste gas treatment tank, there are filter plate and activated carbon adsorption plate in treatment box, in addition, being also equipped with atomizer, filters
It adsorbs, is discharged into air again after absorption again afterwards, while starting atomizer, the particle of boiler exhaust gas remnants is allowed to deposit, then benefit
Its particle is collected with inclined plate and dirt collecting bucket, the present apparatus installed also inside lower water temperature case a surface offer it is several
Cold water is imported lower water temperature case by apopore by the second water tank of apopore so that hot water inside lower water temperature case and
Cold water mix is more uniform, conducive to the regulation of its temperature, brings excellent experience to user, and utilize the first water storage of waste-heat
Water in case is promoted to inside lower water temperature case by elevator pump to carry out it using or in lower water temperature case water temperature inside mistake
Gao Shi opens the electromagnetic flow valve in connecting tube, is stored so that part hot water enters in the first water tank, and then in water temperature
Regulating box is put into portion of cold water, carries out cooling adjusting to it, the configuration of the present invention is simple and design is rationally, more humanized, is suitble to
It promotes the use of.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is agent structure schematic diagram of the invention；
Fig. 2 is lower water temperature box structure schematic diagram of the invention；
In figure: 1, boiler；2, heater box；3, water tank；4, the first water tank；5, lower water temperature case；6, waste gas treatment tank；7,
PLC controller；8, water outlet；9, heat supply pipeline；10, outlet conduit；11, the first water supply line；12, electromagnetic flow valve；13,
Two water supply lines；14, steam line；15, heating pipe；16, outlet pipe；17, gas outlet；18, water inlet line；19, it is promoted
Pipeline；20, elevator pump；21, connecting tube；22, temp probe；23, suction pump；24, hot-water circulating pump；25, filter plate；26,
Activated carbon adsorption plate；27, exhaust outlet；28, atomizer；29, dirt collecting bucket；30, the second water tank；31, apopore.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments, is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution referring to FIG. 1-2: a kind of subtube formula environment-friendly type combustion based on PLC control
Gas heating boiler, including boiler 1, heater box 2, water tank 3, the first water tank 4, lower water temperature case 5 and waste gas treatment tank 6, boiler 1
Downside is equipped with water tank 3, and 3 side of water tank is equipped with the first water tank 4, is equipped with lower water temperature case 5 on the upside of the first water tank 4, outside boiler 1
Side is equipped with PLC controller 7, and heater box 2 is equipped with inside boiler 1, is connected with heat supply pipeline 9, heat supply pipeline 9 on the upside of heater box 2
It is to be connected to connection with 2 upper end of heater box, hot-water circulating pump 24 is installed on heat supply pipeline 9, is also equipped with electricity on heat supply pipeline 9
Magnetic flow valve 12, heat supply pipeline 9 are connected to connection with 5 side of lower water temperature case far from 2 one end of heater box, if 1 upper end of boiler is equipped with
Port 17 is done, 17 one end of gas outlet is communicated with steam line 14, and the connection of 14 one end of steam line is equipped with heating pipe 15, heating
Pipeline 15 is located inside the first water tank 4, and heating pipe 15 is equipped with outlet pipe 16, outlet far from the connection of 14 one end of steam line
16 upper end of pipeline is equipped with waste gas treatment tank 6, is equipped with filter plate 25 inside waste gas treatment tank 6, is equipped on the upside of filter plate 25 double
Layer activated carbon adsorption plate 26,6 upper end of waste gas treatment tank is equipped with exhaust outlet 27, is equipped with riser tubing between boiler 1 and water tank 3
19, elevator pump 20 is installed on riser tubing 19, suction pump 23 is installed, 23 one end of suction pump is connected with inside water tank 3
First water supply line 11 is also equipped with electromagnetic flow valve 12 on first water supply line 11, and the first water supply line 11 is far from water tank 3 one
End is equipped with the second water tank 30, and the second water tank 30 is located inside lower water temperature case 5, if offering on the outside of the second water tank 30
Water hole 31 is done, 5 inner bottom of lower water temperature case is also equipped with temp probe 22, and the connection of 5 downside one end of lower water temperature case is equipped with
Outlet conduit 10 is also equipped with riser tubing 19, lower water temperature case 5 and the first storage between lower water temperature case 5 and the first water tank 4
Water tank 4 is also connected with connecting tube 21, and electromagnetic flow valve 12 is also equipped in connecting tube 21, and the connection of 4 side of the first water tank is equipped with
Second water supply line 13, the second water supply line 13 are also equipped with electromagnetic flow valve 12, the second water supply line 13 and the first water supplying pipe
Threeway is equipped between road 11, the second water supply line 13 is connected to connection by threeway with the first water supply line 11.
PLC controller 7 is programmable memory, is equipped with program inside PLC controller 7, at outlet pipe 16 and exhaust gas
Managing 6 side of case is connection connection, and atomizer 28 is additionally provided with inside waste gas treatment tank 6, and atomizer 28 is located at 25 downside of filter plate, mist
Change device 28 and be external in water supply pipe, is equipped with inclined plate on the downside of waste gas treatment tank 6, inclined plate lower end is equipped with dirt collecting bucket 29,1 He of boiler
Water tank 3 is equipped with water inlet line 18, lower water temperature case 5 and the first water storage by the connection connection of riser tubing 19, the connection of 3 side of water tank
By the connection connection of riser tubing 19 between case 4, lower water temperature case 5 is connected to connection also by connecting tube 21 with the first water tank 4,
Lower water temperature case 5 and 4 outer surface of the first water tank are equipped with insulating layer, and PLC controller 7 is electrically connected electromagnetic flow valve 12, temperature
Probe 22, suction pump 23 and hot-water circulating pump 24.
Concrete principle: the subtube formula environment protection type gas heating boiler controlled using this kind based on PLC passes through water inlet first
Pipeline 18 will store up full water inside water tank 3, then the water in water tank 3 is promoted in the heater box 2 in boiler 1 by elevator pump 20,
Heater in boiler 1 heats heater box, and the water after heating is entered in lower water temperature case 5 by heat supply pipeline 9, water tank
Water in 3 is pumped into the first water supply line 11 also by suction pump 23, and then is reached in the second water tank 30, and the second water storage is passed through
The apopore of case 30, which is sprayed, carries out mixing temperature adjustment with the hot water in lower water temperature case 5, then is used by the water outlet of outlet conduit 10, leads to
The electromagnetic flow valve 12 that the control of PLC controller 7 is opened on the second water supply line 13 is crossed to make inside the first water tank 4 equipped with part
Water, the exhaust gas that boiler 1 burns are reached inside heating pipe 15 by gas outlet 17, steam line 14, and heating pipe 15 gives first
Water in water tank 4 is heated, and the water after heating is stored in the first water tank 4, and the exhaust gas after heating passes through escape pipe again
Road 16 reaches waste gas treatment tank 6, is discharged after the filtering of filter plate 25 and the absorption of activated carbon adsorption plate 26, at this point, opening
Atomizer 28 settles the particle in its exhaust gas, and the exhaust gas after sedimentation is collected by inclined plate and dirt collecting bucket 29；Wherein, sharp
With 7 preset temperature of PLC controller, temp probe 22 is used to detect the temperature in lower water temperature case 5, be controlled by PLC controller 7
The water velocity of electromagnetic flow valve 12 detects preset temperature in temp probe 22 to reach the control to cold and hot water
When, PLC controller 7 is fed back to, and then PLC controller 7 controls the closing of electromagnetic flow valve 12, reaches the water of preset temperature
Storage heat preservation is carried out in lower water temperature case 5, then the water in lower water temperature case 5 is utilized by outlet conduit 10；It utilizes
Water in first water tank 4 of waste-heat is promoted to by elevator pump to carry out it inside lower water temperature case 5 to use Huo Zhe
When 5 water temperature inside of lower water temperature case is excessively high, PLC controller 7 automatically controls the electromagnetic flow valve 12 opened in connecting tube 21, so that
Part hot water, which enters in the first water tank 4, to be stored, and then is put into portion of cold water in lower water temperature case 5, is cooled down to it
It adjusts.
The subtube formula environment protection type gas heating boiler main body that this kind is controlled based on PLC, structure design complete compact, dress
It sets the gas sampling of boiler emission, is water heating using its waste heat, and be provided with waste gas treatment tank 6, has in treatment box
Filter plate 25 and activated carbon adsorption plate 26 adsorb after filtering again in addition, being also equipped with atomizer 28, are discharged into air after absorption again
In, while starting atomizer 28, it allows the particle of boiler exhaust gas remnants to deposit, recycles inclined plate and dirt collecting bucket 29 to its particle
It is collected, the present apparatus installs the second water tank that a surface offers several apopores 31 also inside lower water temperature case 5
30, cold water is imported into lower water temperature case 5 by apopore 31, so that hot water and cold water mix inside lower water temperature case 5 are more
Uniformly, conducive to the regulation of its temperature, excellent experience is brought to user, and logical using the water in the first water tank 4 of waste-heat
It crosses elevator pump and is promoted to inside lower water temperature case 5 and it is carried out using or when 5 water temperature inside of lower water temperature case is excessively high, beating
The electromagnetic flow valve 12 in connecting tube 21 is opened, is stored so that part hot water enters in the first water tank 4, and then in water temperature tune
Section case 5 is put into portion of cold water, carries out cooling adjusting to it, the configuration of the present invention is simple and design is rationally, more humanized, is suitble to push away
It is wide to use.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (7)
1. a kind of subtube formula environment protection type gas heating boiler based on PLC control, including boiler (1), heater box (2), water tank
(3), the first water tank (4), lower water temperature case (5) and waste gas treatment tank (6), which is characterized in that be equipped on the downside of the boiler (1)
Water tank (3), water tank (3) side are equipped with the first water tank (4), and lower water temperature case is equipped on the upside of first water tank (4)
(5), it is equipped with PLC controller (7) on the outside of the boiler (1), is equipped with heater box (2) inside the boiler (1), the heater box
(2) upside is connected with heat supply pipeline (9), and the heat supply pipeline (9) is to be connected to connection, the heating tube with heater box (2) upper end
It is equipped on road (9) hot-water circulating pump (24), is also equipped with electromagnetic flow valve (12), the confession on the heat supply pipeline (9)
Heat pipeline (9) is connected to connection with lower water temperature case (5) side far from heater box (2) one end, and boiler (1) upper end is equipped with several
Gas outlet (17), described gas outlet (17) one end are communicated with steam line (14), and steam line (14) one end connection is equipped with
Heating pipe (15), the heating pipe (15) are located at the first water tank (4) inside, and the heating pipe (15) is far from air supply pipe
The connection of road (14) one end is equipped with outlet pipe (16), and outlet pipe (16) upper end is equipped with waste gas treatment tank (6), the exhaust gas
It is equipped with filter plate (25) inside treatment box (6), double-layer active carbon adsorption plate (26), institute is installed on the upside of the filter plate (25)
It states waste gas treatment tank (6) upper end to be equipped with exhaust outlet (27), riser tubing is installed between the boiler (1) and water tank (3)
(19), it is equipped with elevator pump (20) on the riser tubing (19), is equipped with suction pump (23) inside the water tank (3), it is described
Suction pump (23) one end is connected with the first water supply line (11), is also equipped with electromagnetic current on first water supply line (11)
It measures valve (12), first water supply line (11) is equipped with the second water tank (30) far from water tank (3) one end, second water storage
Case (30) is located at lower water temperature case (5) inside, offers several apopores (31), the water on the outside of second water tank (30)
Warm regulating box (5) inner bottom is also equipped with temp probe (22), and one end connection is equipped with water outlet on the downside of the lower water temperature case (5)
Pipeline (10) is also equipped with riser tubing (19), the water temperature tune between the lower water temperature case (5) and the first water tank (4)
Section case (5) and the first water tank (4) are also connected with connecting tube (21), are also equipped with electromagnetic flow valve on the connecting tube (21)
(12), the first water tank (4) side connection is equipped with the second water supply line (13), and second water supply line (13) is also installed
Have electromagnetic flow valve (12), between second water supply line (13) and the first water supply line (11) be equipped with threeway, described second
Water supply line (13) is connected to connection by threeway with the first water supply line (11).
2. a kind of subtube formula environment protection type gas heating boiler based on PLC control according to claim 1, feature exist
In the PLC controller (7) is programmable memory, is equipped with program inside the PLC controller (7).
3. a kind of subtube formula environment protection type gas heating boiler based on PLC control according to claim 1, feature exist
In the outlet pipe (16) is to be connected to connection with waste gas treatment tank (6) side.
4. a kind of subtube formula environment protection type gas heating boiler based on PLC control according to claim 1, feature exist
In the waste gas treatment tank (6) is internal to be additionally provided with atomizer (28), and the atomizer (28) is located on the downside of filter plate (25), institute
It states atomizer (28) and is external in water supply pipe, be equipped with inclined plate on the downside of the waste gas treatment tank (6), the inclined plate lower end is equipped with
Dirt collecting bucket (29).
5. a kind of subtube formula environment protection type gas heating boiler based on PLC control according to claim 1, feature exist
In the boiler (1) is connected to connection by riser tubing (19) with water tank (3), and water tank (3) the side connection is equipped with water inlet pipe
Road (18).
6. a kind of subtube formula environment protection type gas heating boiler based on PLC control according to claim 1, feature exist
In, it is connected to and is connected by riser tubing (19) between the lower water temperature case (5) and the first water tank (4), the lower water temperature
Case (5) is connected to connection, the lower water temperature case (5) and the first water tank (4) also by connecting tube (21) with the first water tank (4)
Outer surface is equipped with insulating layer.
7. a kind of subtube formula environment protection type gas heating boiler based on PLC control according to claim 1, feature exist
In the PLC controller (7) is electrically connected electromagnetic flow valve (12), temp probe (22), suction pump (23) and hot water circuit water
It pumps (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711216069.8A CN109838834A (en) | 2017-11-28 | 2017-11-28 | A kind of subtube formula environment protection type gas heating boiler based on PLC control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711216069.8A CN109838834A (en) | 2017-11-28 | 2017-11-28 | A kind of subtube formula environment protection type gas heating boiler based on PLC control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109838834A true CN109838834A (en) | 2019-06-04 |
Family
ID=66881005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711216069.8A Withdrawn CN109838834A (en) | 2017-11-28 | 2017-11-28 | A kind of subtube formula environment protection type gas heating boiler based on PLC control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109838834A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116293903A (en) * | 2023-04-14 | 2023-06-23 | 山东氦三智能科技有限公司 | Heat supply intelligent control cabinet |
-
2017
- 2017-11-28 CN CN201711216069.8A patent/CN109838834A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116293903A (en) * | 2023-04-14 | 2023-06-23 | 山东氦三智能科技有限公司 | Heat supply intelligent control cabinet |
| CN116293903B (en) * | 2023-04-14 | 2023-09-29 | 山东氦三智能科技有限公司 | Heat supply intelligent control cabinet |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190604 |
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| WW01 | Invention patent application withdrawn after publication |