CN113403825A - Special water supply device and method for industrial ironing - Google Patents

Special water supply device and method for industrial ironing Download PDF

Info

Publication number
CN113403825A
CN113403825A CN202110704290.8A CN202110704290A CN113403825A CN 113403825 A CN113403825 A CN 113403825A CN 202110704290 A CN202110704290 A CN 202110704290A CN 113403825 A CN113403825 A CN 113403825A
Authority
CN
China
Prior art keywords
water
electric iron
water supply
pressure tank
supply device
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.)
Pending
Application number
CN202110704290.8A
Other languages
Chinese (zh)
Inventor
夏清军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Diandidi Energy Saving Technology Development Co ltd
Original Assignee
Hangzhou Diandidi Energy Saving Technology Development Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hangzhou Diandidi Energy Saving Technology Development Co ltd filed Critical Hangzhou Diandidi Energy Saving Technology Development Co ltd
Priority to CN202110704290.8A priority Critical patent/CN113403825A/en
Publication of CN113403825A publication Critical patent/CN113403825A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F75/00Hand irons
    • D06F75/08Hand irons internally heated by electricity
    • D06F75/10Hand irons internally heated by electricity with means for supplying steam to the article being ironed
    • D06F75/12Hand irons internally heated by electricity with means for supplying steam to the article being ironed the steam being produced from water supplied to the iron from an external source
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/283Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/03Pressure
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/22Eliminating or preventing deposits, scale removal, scale prevention
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents

Abstract

The invention belongs to the field of industrial ironing, and discloses a special water supply device and a special water supply method for industrial ironing, wherein the special water supply device comprises a water purification system and a spraying system, a water inlet of the water purification system is connected with tap water, and pure water filtered by the water purification system enters a water storage tank; the water spraying system comprises a booster pump, a pressure tank and a spray nozzle arranged at a water inlet of the electric iron, pure water in the water storage tank is conveyed into the pressure tank through the booster pump, a constant pressure value of the pressure tank is set according to the ironing required temperature, the pure water enters a water supply circuit of the electric iron from the water outlet after being pressurized by the pressure tank, the water supply circuit of the electric iron is connected with the spray nozzle at the water inlet of the electric iron, and the spray nozzle sprays the pure water to a heating plate of the electric iron after being atomized. The invention changes the phenomenon that the traditional industrial iron does not have proper water for steam making, saves huge equipment pipe network investment and huge heat loss, simplifies maintenance procedures, improves the working efficiency of the electric iron and the safety of industrial ironing, and is energy-saving and environment-friendly.

Description

Special water supply device and method for industrial ironing
Technical Field
The invention belongs to the field of industrial ironing, and particularly relates to a special water supply device and method for industrial ironing.
Background
In the industries of clothes, fabrics and the like, industrial irons are required to be used for carrying out large-batch and long-time ironing work. Industrial ironing lasts for a long time and needs to supply water to the electric iron continuously, and at present, two ways are mainly adopted in the industry to supply water to the electric iron. One is that water is directly supplied to the electric iron in the form of a hanging bottle, and the water is heated by a heating plate inside the electric iron to form water vapor, and this way, after a long period of use, minerals such as calcium and magnesium in the water may cause dirt of calcareous components, and vapor outlet holes of the electric iron may be blocked by the dirt, resulting in difficulty in ejecting or reducing the amount of ejected vapor, which affects the ironing effect and the service life of the electric iron. The other type of steam iron utilizes steam provided by an external steam source to iron, the external steam source is generally a steam generator (commonly called as a boiler) or pipeline steam, and the steam is heated to generate steam outside and then is conveyed into the electric iron to iron.
Disclosure of Invention
The invention aims to provide a special water supply device and method for industrial ironing, which aim to solve the technical problems that the existing industrial iron is easy to generate scale and the energy consumption of a steam boiler is high.
In order to solve the technical problems, the specific technical scheme of the special water supply device and the method for industrial ironing is as follows:
a water supply device special for industrial ironing comprises a water purification system and a spraying system, wherein the water purification system comprises a water purification machine and a water storage tank, a water inlet of the water purification machine is connected with tap water, and the tap water enters the water storage tank after being filtered by the water purification machine; the water spraying system comprises a booster pump, a pressure tank and a spray nozzle arranged at a water inlet of the electric iron, pure water in the water storage tank is conveyed into the pressure tank through the booster pump, the water pressure value of the pressure tank is set, the pure water enters an electric iron water supply circuit from a water outlet after being pressurized by the pressure tank, the electric iron water supply circuit is connected with the spray nozzle at the water inlet of the electric iron, and the spray nozzle sprays the pure water to an electric iron heating plate after being atomized.
Further, the water supply line has a plurality of branches, each branch being connected to an electric iron.
Furthermore, a pressure compensator is arranged at the water inlet of the electric iron.
Furthermore, the water purification machine adopts PP cotton and adds the active carbon filter core and the RO membrane filters.
Further, the water purification machine is added with FOF scale inhibitor.
Further, the pressure value of the pressure tank is calculated according to the power of the heating plate of the electric iron and the caliber size of the spray nozzle.
Further, the spray nozzle is arranged at the top end (avoiding the handle) of the steam chamber of the electric iron and faces to the position of the heating plate.
Further, the spraying angle of the spraying nozzle is larger than 45 degrees.
The invention also discloses a special water supply method for industrial ironing, which comprises the following steps:
step 1: filtering tap water through a water purification system to remove impurities and calcium and magnesium ions;
step 2: feeding purified pure water into a water supply pipeline of the electric iron at a constant pressure;
and step 3: the water supply circuit of the electric iron is connected with the spray nozzle at the water inlet of the electric iron, and the spray nozzle sprays the atomized pure water to the heating plate of the electric iron.
And step 2, pressurizing and feeding the purified pure water into a pressure tank, setting a constant pressure value of the pressure tank according to the ironing temperature, outputting the pure water with constant pressure through the pressure tank, and pressurizing the pure water by the pressure tank and then feeding the pure water into a water supply pipeline of the electric iron from a water outlet.
The special water supply device and the special water supply method for industrial ironing have the following advantages that:
the invention meets the special requirements of the industrial electric iron on water quality, considers the requirements of the actual power, the evaporation capacity and the steam quality of the industrial electric iron, and ensures that the electric iron does not generate scale in long-term use, thereby prolonging the service life of the iron, greatly prolonging the maintenance period of the iron, simultaneously ensuring the water supply quantity of the iron according to the set pressure, ensuring that the temperature of the soleplate of the iron can be fully heated to generate sufficient and completely vaporized steam, and avoiding the phenomenon of dripping water in the use process.
This device is simple and practical, has changed the phenomenon that traditional industry flatiron does not have suitable system vapour water, and the process of ironing in the clothing industry can be large-scale application, can save huge equipment pipe network input and huge heat loss, simplifies the maintenance procedure, has improved electric iron's work efficiency and the security that the industry ironed, and energy-concerving and environment-protective.
Drawings
Fig. 1 is a schematic structural view of a water supply device special for industrial ironing of the present invention;
fig. 2 is a schematic view of the connection between the water supply device special for industrial ironing and the electric iron.
The notation in the figure is: 1. a water purification machine; 11. a water inlet; 12. a water outlet; 2. A water storage tank; 21. a drain valve; 3. a booster pump; 4. a pressure tank; 41. a water outlet; 5. an electric iron; 51. a spray nozzle; 52. heating plates; 6. and a water supply pipeline of the electric iron.
Detailed Description
In order to better understand the purpose, structure and function of the present invention, a water supply device and method for industrial ironing according to the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the water supply device special for industrial ironing of the present invention comprises a water purification system and a spraying system, wherein the water purification system comprises a water purification machine 1 and a water storage tank 2; the water purifier is provided with a water inlet 11 and a water outlet 12, the water inlet 11 is connected with tap water, and the tap water enters the water storage tank 2 after being filtered by the water purifier 1; the drain port 12 is used for discharging waste water, and the water storage tank 2 has a drain valve 21, and pure water in the water storage tank 2 can be discharged by opening the drain valve 21. The spraying system comprises a booster pump 3, a pressure tank 4 and a spray nozzle 51 arranged at a water inlet of an electric iron 5, pure water in a water storage tank 2 is conveyed into the pressure tank 4 through the booster pump 3, the pressure tank 4 can set a constant water pressure value according to the ironing temperature, the pure water enters an electric iron water supply circuit 6 from a water outlet 41 after being pressurized by the pressure tank 4, the electric iron water supply circuit 6 is connected with the spray nozzle 51 at the water inlet of the electric iron, and the spray nozzle 51 sprays the pure water to an electric iron heating plate 52 after being atomized. The electric iron water supply line 6 has a plurality of branches, each branch being connected to one electric iron 5, and the apparatus can supply water to a plurality of electric irons 5 at the same time.
In order to keep the pressure stable, a pressure compensator may be provided at the inlet of each electric iron 5 to compensate the pressure of the pure water in the water supply line 6 of the electric iron when the pressure is not sufficient.
The water purifier adopts the PP cotton and the activated carbon filter element for filtration to reduce impurities in tap water and reduce the deposition of the impurities in a steam chamber of the iron; and then an RO membrane is adopted for reverse osmosis treatment, calcium and magnesium ions and the like in the tap water are filtered, and FOF scale inhibitor is added to areas with hard water quality to further improve the purity of the tap water, so that the steam chamber of the electric iron can be kept in a scale-free state for a long time, the heat conduction efficiency of the electric iron is kept, and the failure rate of the electric iron is reduced.
The spray amount of the invention is controlled according to the pressure of the pressure tank 4, firstly the evaporation vaporization amount is determined according to the heating power of the electric iron 5, the pressure value is calculated according to the required evaporation vaporization amount and the caliber size of the water supply spray nozzle 51 of the electric iron 5, then the water pressure of the pressure tank 4 is regulated to reach the required pressure value, thus, the steam making water supplied to the vaporization chamber of the electric iron 5 becomes pure mist water with controllable flow, the mist can contact the heating plate 52 to the maximum extent, thereby improving the vaporization efficiency and reducing the faults caused by air channel blockage caused by impurity deposition and structure and accelerated aging of the heating plate caused by impurities, thereby achieving the purposes of large steam outlet amount and low fault rate of the electric iron.
The spray nozzle 51 of the invention is arranged at the top end (avoiding the handle) of the steam chamber of the electric iron 5 and faces the heating plate 52, the spray angle of the spray nozzle 51 is larger than 45 degrees, so as to ensure that the heating plate 52 can be uniformly covered by the mist as much as possible, and the supply of the mist is not influenced no matter what angle the electric iron 5 is ironed, therefore, the mist water supply mode of the invention can ensure that the electric iron 5 can normally work at any angle, and the defect that the traditional electric iron can only be flat-ironed is solved. The water supply mode of spraying simultaneously has avoided the phenomenon of dripping that the electric iron leads to because of the heating is not enough. In addition, the mist facing surface (upper surface) of the heating plate 52 of the electric iron 5 adopts a mode of uniformly distributing fins with increased area, a steam outlet hole plate is fixed at a reserved position of the working surface at the bottom of the heating plate 52 in an assembling mode, steam is conveniently and uniformly sprayed, the assembled steam outlet hole plate is reduced by about 1cm in parallel according to the outline of the heating plate 52, and steam outlet holes are uniformly distributed on the steam outlet hole plate.
A water supply method special for industrial ironing comprises the following steps:
step 1: and filtering tap water through a water purification system to remove impurities and calcium and magnesium ions.
Step 2: purified pure water is pressurized and sent into the pressure tank 4, a constant water pressure value is set according to the temperature required by ironing, the pure water with constant pressure is output through the pressure tank 4, and the pure water enters the water supply pipeline 6 of the electric iron from the water outlet 41 after being pressurized by the pressure tank 4. The pressure value is calculated according to the heating power of the electric iron 5 and the caliber of the water supply spray nozzle 51 of the electric iron 5.
And step 3: the water supply pipe 6 of the electric iron is connected with a spray nozzle 51 at the water inlet of the electric iron 5, and the spray nozzle 51 sprays the pure water to a heating plate 52 of the electric iron 5 after atomizing the pure water. The water supply circuit 6 for the electric iron is connected with the electric iron in a branch manner, and can supply water to a plurality of electric irons at the same time.
During the use, at first open the running water, export pure water to storage water tank 2 after 1 filtration of water purification machine, pure water in the storage water tank 2 gets into overhead tank 4 through the 3 pressure boost of booster pump, calculate the pressure value according to electric iron 5's the heating power and the bore size of electric iron 5 water supply fog nozzle 51, set up the pressure value of overhead tank 4, pure water gets into electric iron water supply pipe 6 after 4 pressure boost of overhead tank, electric iron water supply pipe 6 connects the fog nozzle 51 of electric iron 5 water inlet, fog nozzle 51 evenly spouts the hot plate 52 to electric iron 5 after atomizing, hot plate 52 irones after forming steam with the fog heating.
The steam iron greatly overcomes the defect of huge energy consumption of the traditional steam iron, because the huge heat dissipation of an external steam source is reduced, the consumption of a long conveying pipeline is also reduced, the actual energy-saving efficiency can reach more than 50 percent, the installation cost of a related pipe network is saved by more than 50 percent, and the maintenance cost is saved by more than 50 percent; because the water source conveying of the invention is normal temperature conveying, the scalding risk of the high-pressure hose of the traditional full steam iron is avoided. Therefore, compared with the traditional electric iron, the electric iron has higher efficiency, is safer, saves energy and protects the environment.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (10)

1. A water supply device special for industrial ironing comprises a water purification system and a spraying system, and is characterized in that the water purification system comprises a water purification machine (1) and a water storage tank (2); a water inlet (11) of the water purifier (1) is connected with tap water, and the tap water enters the water storage tank (2) through the pure water filtered by the water purifier (1); the water spraying system comprises a booster pump (3), a pressure tank (4) and a spray nozzle (51) installed at a water inlet of an electric iron (5), pure water in a water storage tank (2) is conveyed into the pressure tank (4) through the booster pump (3), a water pressure value of the pressure tank (4) is set, the pure water enters an electric iron water supply pipeline (6) from a water outlet (41) after being pressurized through the pressure tank (4), the electric iron water supply pipeline (6) is connected with the spray nozzle (51) at the water inlet of the electric iron (5), and the spray nozzle (51) sprays the pure water to a heating plate (52) of the electric iron (5) after being atomized.
2. Water supply device exclusively for industrial ironing according to claim 1, characterised in that said electric iron water supply line (6) has a plurality of branches, each branch being connected to an electric iron (5).
3. Water supply device dedicated to industrial ironing according to claim 1, characterized in that a pressure compensator is provided at the water inlet of the electric iron (5).
4. The water supply device special for industrial ironing according to claim 1, wherein the water purifier (1) adopts PP cotton, activated carbon filter element and RO membrane for filtration.
5. The water supply device special for industrial ironing according to claim 4, wherein the FOF scale inhibitor is added into the water purification machine (1).
6. Water supply device dedicated to industrial ironing according to claim 1, characterized in that the pressure value of said pressure tank (4) is calculated according to the power of the heat-generating plate (52) of the electric iron (5) and the size of the caliber of the spraying nozzle (51).
7. Water supply device special for industrial ironing according to claim 6, characterized in that the spray nozzle (51) is arranged at the top end of the steam chamber of the electric iron (5) (avoiding the handle) towards the heat generating plate (52).
8. Industrial ironing dedicated water supply device according to claim 7, characterized in that the spraying angle of said spraying nozzle (51) is greater than 45 degrees.
9. A special water supply method for industrial ironing comprises the following steps:
step 1: filtering tap water through a water purification system to remove impurities and calcium and magnesium ions;
step 2: feeding purified pure water at a constant pressure into a water supply line (6) of the electric iron;
and step 3: the water supply pipeline (6) of the electric iron is connected with a spray nozzle (51) at the water inlet of the electric iron (5), and the spray nozzle (1) sprays the atomized pure water to a heating plate (52) of the electric iron (5).
10. The special water supply method for industrial ironing according to claim 9, wherein step 2 is to pressurize purified pure water to the pressure tank (4), set a constant water pressure value of the pressure tank (4) according to the temperature required for ironing, output the pure water with constant pressure through the pressure tank (4), and the pressurized pure water enters the water supply circuit (6) of the electric iron from the water outlet (41) after passing through the pressure tank (4).
CN202110704290.8A 2021-06-24 2021-06-24 Special water supply device and method for industrial ironing Pending CN113403825A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110704290.8A CN113403825A (en) 2021-06-24 2021-06-24 Special water supply device and method for industrial ironing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110704290.8A CN113403825A (en) 2021-06-24 2021-06-24 Special water supply device and method for industrial ironing

Publications (1)

Publication Number Publication Date
CN113403825A true CN113403825A (en) 2021-09-17

Family

ID=77682939

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110704290.8A Pending CN113403825A (en) 2021-06-24 2021-06-24 Special water supply device and method for industrial ironing

Country Status (1)

Country Link
CN (1) CN113403825A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1678868A (en) * 2002-08-26 2005-10-05 皇家飞利浦电子股份有限公司 Electric steaming device
EP1616992A1 (en) * 2004-07-15 2006-01-18 IMETEC S.p.A. Ironing apparatus comprising a filter
US20070220784A1 (en) * 2006-03-22 2007-09-27 Wen-Ching Li Intelligent steam iron
CN109082869A (en) * 2017-06-14 2018-12-25 漳州灿坤实业有限公司 Fill the water component and ironing apparatus
WO2021079394A1 (en) * 2019-10-23 2021-04-29 De' Longhi Appliances S.R.L. Con Unico Socio Ironing apparatus and management method
CN214033078U (en) * 2020-12-02 2021-08-24 杭州点点滴滴节能科技开发有限公司 Novel industrial spraying steam generating iron

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1678868A (en) * 2002-08-26 2005-10-05 皇家飞利浦电子股份有限公司 Electric steaming device
EP1616992A1 (en) * 2004-07-15 2006-01-18 IMETEC S.p.A. Ironing apparatus comprising a filter
US20070220784A1 (en) * 2006-03-22 2007-09-27 Wen-Ching Li Intelligent steam iron
CN109082869A (en) * 2017-06-14 2018-12-25 漳州灿坤实业有限公司 Fill the water component and ironing apparatus
WO2021079394A1 (en) * 2019-10-23 2021-04-29 De' Longhi Appliances S.R.L. Con Unico Socio Ironing apparatus and management method
CN214033078U (en) * 2020-12-02 2021-08-24 杭州点点滴滴节能科技开发有限公司 Novel industrial spraying steam generating iron

Similar Documents

Publication Publication Date Title
CN110648775B (en) Operation method of nuclear power station radioactive waste liquid MVR evaporation system
CN101363367A (en) Method and apparatus for supplying pressure for spray inlet temperature suppressor of gas turbines
US20110024363A1 (en) Vacuum dehydrating system and dehydrating method for gypsum slurry
CN108087049A (en) A kind of industry steam-supplying system
CN203058203U (en) Evaporated steam recovery recycling equipment system
CN113403825A (en) Special water supply device and method for industrial ironing
CN203672102U (en) Steam seasoning system
CN101922890A (en) Cleaning system and method for air-cooled condenser bundles
CN209801928U (en) Water atomization metal powder water bath drying system
JP2013224815A (en) Seawater heating device
CN214033078U (en) Novel industrial spraying steam generating iron
CN216225783U (en) Cleaning machine with waste heat recovery device
CN102889776A (en) Cyclic utilization production device of waste gas and steam of dryer
CN202902824U (en) Waste heat steam cyclic utilization production device of drier
CN109440430B (en) Nanometer double-tube variable-frequency combined intelligent iron and ironing method
CN108654127A (en) A kind of steam condensate recovery system
CN108800976A (en) A kind of condensed water Water Level Regulating System and method being suitable for double back pressure thermal power plant units
CN208712332U (en) A kind of steam turbine on-line cleaning spray equipment
CN114318735A (en) Environment-friendly fabric heat setting process
CN211446285U (en) Cloth feeding tap water spraying and humidifying device of pre-shrinking machine
CN210031260U (en) Extreme speed variable frequency intelligent iron all-in-one machine
CN209873406U (en) Nanometer double-tube variable-frequency combined intelligent iron
CN208494631U (en) A kind of tea seed cake moisture adding set and steam de- plus wetting system
CN207847714U (en) A kind of industry steam-supplying system
CN215724651U (en) Tail gas heat pump type heat recovery system of cut tobacco dryer

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20210917